sys/linux: extend namespace desciptions

Slightly extend namespace descriptions and move
them to a separate file.

17 files changed, 152 insertions, 39 deletions

diff --git a/sys/linux/386.go b/sys/linux/386.go
index 3bdd1b795..6fb43a908 100644
--- a/sys/linux/386.go
+++ b/sys/linux/386.go
@@ -44,6 +44,7 @@ var resources_386 = []*ResourceDesc{
 	{Name: "fd_loop_ctrl", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_loop_ctrl"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_loop_num", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", TypeSize: 4}}}, Kind: []string{"fd_loop_num"}, Values: []uint64{0, 1, 2, 10, 11, 12}},
 	{Name: "fd_mq", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_mq"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
+	{Name: "fd_namespace", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_namespace"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_perf", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_perf"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_random", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_random"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_rdma_cm", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_rdma_cm"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
@@ -21729,8 +21730,8 @@ var syscalls_386 = []*Syscall{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "old", TypeSize: 4, IsOptional: true}, Type: &StructType{Key: StructKey{Name: "itimerval", Dir: 1}}},
 	}},
 	{NR: 346, Name: "setns", CallName: "setns", Args: []Type{
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "fd", TypeSize: 4}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ns_type", FldName: "type", TypeSize: 4}}, Vals: []uint64{0, 134217728, 1073741824, 67108864}},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_namespace", FldName: "fd", TypeSize: 4}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ns_type", FldName: "type", TypeSize: 4}}, Vals: []uint64{0, 134217728, 1073741824, 67108864, 33554432, 131072, 536870912, 268435456}},
 	}},
 	{NR: 57, Name: "setpgid", CallName: "setpgid", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "pid", FldName: "pid", TypeSize: 4}},
@@ -24235,8 +24236,12 @@ var syscalls_386 = []*Syscall{
 	}, Ret: &ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "ret", TypeSize: 4, ArgDir: 1}}},
 	{Name: "syz_open_procfs", CallName: "syz_open_procfs", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "pid", FldName: "pid", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "file", TypeSize: 4}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", IsVarlen: true}, Kind: 2, SubKind: "procfs_file", Values: []string{"auxv\x00", "cmdline\x00", "environ\x00", "autogroup\x00", "cgroup\x00", "clear_refs\x00", "comm\x00", "coredump_filter\x00", "cpuset\x00", "gid_map\x00", "io\x00", "limits\x00", "loginuid\x00", "maps\x00", "mountinfo\x00", "mounts\x00", "mountstats\x00", "numa_maps\x00", "oom_adj\x00", "oom_score\x00", "oom_score_adj\x00", "pagemap\x00", "personality\x00", "projid_map\x00", "sched\x00", "schedstat\x00", "sessionid\x00", "setgroups\x00", "smaps\x00", "stack\x00", "stat\x00", "statm\x00", "status\x00", "syscall\x00", "timers\x00", "uid_map\x00", "wchan\x00", "map_files\x00", "attr\x00", "attr/current\x00", "attr/exec\x00", "attr/fscreate\x00", "attr/keycreate\x00", "attr/prev\x00", "attr/sockcreate\x00", "ns\x00", "ns/cgroup\x00", "ns/ipc\x00", "ns/mnt\x00", "ns/net\x00", "ns/pid\x00", "ns/user\x00", "ns/uts\x00", "children\x00", "task\x00", "fdinfo\x00", "net\x00", "net/anycast6\x00", "net/arp\x00", "net/bnep\x00", "net/connector\x00", "net/dev\x00", "net/dev_mcast\x00", "net/dev_snmp6\x00", "net/fib_trie\x00", "net/fib_triestat\x00", "net/hci\x00", "net/icmp\x00", "net/icmp6\x00", "net/if_inet6\x00", "net/igmp\x00", "net/igmp6\x00", "net/ip6_flowlabel\x00", "net/ip6_mr_cache\x00", "net/ip6_mr_vif\x00", "net/ip6_tables_matches\x00", "net/ip6_tables_names\x00", "net/ip6_tables_targets\x00", "net/ip_mr_cache\x00", "net/ip_mr_vif\x00", "net/ip_tables_matches\x00", "net/ip_tables_names\x00", "net/ip_tables_targets\x00", "net/ipv6_route\x00", "net/ipx\x00", "net/l2cap\x00", "net/llc\x00", "net/mcfilter\x00", "net/mcfilter6\x00", "net/netfilter\x00", "net/netlink\x00", "net/netstat\x00", "net/nfsfs\x00", "net/packet\x00", "net/protocols\x00", "net/psched\x00", "net/ptype\x00", "net/raw\x00", "net/raw6\x00", "net/rfcomm\x00", "net/route\x00", "net/rpc\x00", "net/rt6_stats\x00", "net/rt_acct\x00", "net/rt_cache\x00", "net/sco\x00", "net/sctp\x00", "net/snmp\x00", "net/snmp6\x00", "net/sockstat\x00", "net/sockstat6\x00", "net/softnet_stat\x00", "net/stat\x00", "net/tcp\x00", "net/tcp6\x00", "net/udp\x00", "net/udp6\x00", "net/udplite\x00", "net/udplite6\x00", "net/unix\x00", "net/wireless\x00", "net/xfrm_stat\x00", "net/ip_vs\x00", "net/ip_vs_stats\x00", "net/ip_vs_stats_percpu\x00"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "file", TypeSize: 4}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", IsVarlen: true}, Kind: 2, SubKind: "procfs_file", Values: []string{"auxv\x00", "cmdline\x00", "environ\x00", "autogroup\x00", "cgroup\x00", "clear_refs\x00", "comm\x00", "coredump_filter\x00", "cpuset\x00", "gid_map\x00", "io\x00", "limits\x00", "loginuid\x00", "maps\x00", "mountinfo\x00", "mounts\x00", "mountstats\x00", "numa_maps\x00", "oom_adj\x00", "oom_score\x00", "oom_score_adj\x00", "pagemap\x00", "personality\x00", "projid_map\x00", "sched\x00", "schedstat\x00", "sessionid\x00", "setgroups\x00", "smaps\x00", "smaps_rollup\x00", "stack\x00", "stat\x00", "statm\x00", "status\x00", "syscall\x00", "timers\x00", "uid_map\x00", "wchan\x00", "map_files\x00", "attr\x00", "attr/current\x00", "attr/exec\x00", "attr/fscreate\x00", "attr/keycreate\x00", "attr/prev\x00", "attr/sockcreate\x00", "ns\x00", "children\x00", "task\x00", "fd\x00", "fd/3\x00", "fd/4\x00", "fdinfo\x00", "fdinfo/3\x00", "fdinfo/4\x00", "net\x00", "net/anycast6\x00", "net/arp\x00", "net/bnep\x00", "net/connector\x00", "net/dev\x00", "net/dev_mcast\x00", "net/dev_snmp6\x00", "net/fib_trie\x00", "net/fib_triestat\x00", "net/hci\x00", "net/icmp\x00", "net/icmp6\x00", "net/if_inet6\x00", "net/igmp\x00", "net/igmp6\x00", "net/ip6_flowlabel\x00", "net/ip6_mr_cache\x00", "net/ip6_mr_vif\x00", "net/ip6_tables_matches\x00", "net/ip6_tables_names\x00", "net/ip6_tables_targets\x00", "net/ip_mr_cache\x00", "net/ip_mr_vif\x00", "net/ip_tables_matches\x00", "net/ip_tables_names\x00", "net/ip_tables_targets\x00", "net/ipv6_route\x00", "net/ipx\x00", "net/l2cap\x00", "net/llc\x00", "net/mcfilter\x00", "net/mcfilter6\x00", "net/netfilter\x00", "net/netlink\x00", "net/netstat\x00", "net/nfsfs\x00", "net/packet\x00", "net/protocols\x00", "net/psched\x00", "net/ptype\x00", "net/raw\x00", "net/raw6\x00", "net/rfcomm\x00", "net/route\x00", "net/rpc\x00", "net/rt6_stats\x00", "net/rt_acct\x00", "net/rt_cache\x00", "net/sco\x00", "net/sctp\x00", "net/snmp\x00", "net/snmp6\x00", "net/sockstat\x00", "net/sockstat6\x00", "net/softnet_stat\x00", "net/stat\x00", "net/tcp\x00", "net/tcp6\x00", "net/udp\x00", "net/udp6\x00", "net/udplite\x00", "net/udplite6\x00", "net/unix\x00", "net/wireless\x00", "net/xfrm_stat\x00", "net/ip_vs\x00", "net/ip_vs_stats\x00", "net/ip_vs_stats_percpu\x00"}}},
 	}, Ret: &ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "ret", TypeSize: 4, ArgDir: 1}}},
+	{Name: "syz_open_procfs$namespace", CallName: "syz_open_procfs", Args: []Type{
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "pid", FldName: "pid", TypeSize: 4}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "file", TypeSize: 4}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", IsVarlen: true}, Kind: 2, SubKind: "procfs_namespace_file", Values: []string{"ns/cgroup\x00", "ns/ipc\x00", "ns/mnt\x00", "ns/net\x00", "ns/pid\x00", "ns/user\x00", "ns/uts\x00", "ns/pid_for_children\x00"}}},
+	}, Ret: &ResourceType{TypeCommon: TypeCommon{TypeName: "fd_namespace", FldName: "ret", TypeSize: 4, ArgDir: 1}}},
 	{Name: "syz_open_pts", CallName: "syz_open_pts", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_tty", FldName: "fd", TypeSize: 4}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "open_flags", FldName: "flags", TypeSize: 4}}, Vals: []uint64{0, 1, 2, 1024, 8192, 524288, 64, 16384, 65536, 128, 32768, 262144, 256, 131072, 2048, 2097152, 1052672, 512, 4194304}},
@@ -24322,7 +24327,7 @@ var syscalls_386 = []*Syscall{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unlinkat_flags", FldName: "flags", TypeSize: 4}}, Vals: []uint64{0, 512}},
 	}},
 	{NR: 310, Name: "unshare", CallName: "unshare", Args: []Type{
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "clone_flags", FldName: "flags", TypeSize: 4}}, Vals: []uint64{256, 512, 1024, 2048, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 8388608, 16777216, 33554432, 67108864, 134217728, 268435456, 536870912, 1073741824, 2147483648}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unshare_flags", FldName: "flags", TypeSize: 4}}, Vals: []uint64{1024, 512, 33554432, 134217728, 1073741824, 131072, 536870912, 268435456, 67108864, 262144, 65536, 2048, 256}},
 	}},
 	{NR: 86, Name: "uselib", CallName: "uselib", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "lib", TypeSize: 4}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
@@ -26240,6 +26245,7 @@ var consts_386 = []ConstValue{
 	{Name: "KCMP_SYSVSEM", Value: 6},
 	{Name: "KCMP_VM", Value: 1},
 	{Name: "KCM_RECV_DISABLE", Value: 1},
+	{Name: "KCOV_DISABLE", Value: 25445},
 	{Name: "KCOV_ENABLE", Value: 25444},
 	{Name: "KCOV_INIT_TRACE", Value: 2147771137},
 	{Name: "KCOV_TRACE_CMP", Value: 1},
@@ -28938,4 +28944,4 @@ var consts_386 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_386 = "84c53d32853cc775f2dfd37019d57297db7f2b3b"
+const revision_386 = "461b4401f435b02f4dbbd4eb29ea65d974cce896"
diff --git a/sys/linux/amd64.go b/sys/linux/amd64.go
index a47e0c54b..62738d1f7 100644
--- a/sys/linux/amd64.go
+++ b/sys/linux/amd64.go
@@ -44,6 +44,7 @@ var resources_amd64 = []*ResourceDesc{
 	{Name: "fd_loop_ctrl", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_loop_ctrl"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_loop_num", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", TypeSize: 8}}}, Kind: []string{"fd_loop_num"}, Values: []uint64{0, 1, 2, 10, 11, 12}},
 	{Name: "fd_mq", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_mq"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
+	{Name: "fd_namespace", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_namespace"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_perf", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_perf"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_random", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_random"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_rdma_cm", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_rdma_cm"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
@@ -22312,8 +22313,8 @@ var syscalls_amd64 = []*Syscall{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "old", TypeSize: 8, IsOptional: true}, Type: &StructType{Key: StructKey{Name: "itimerval", Dir: 1}}},
 	}},
 	{NR: 308, Name: "setns", CallName: "setns", Args: []Type{
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "fd", TypeSize: 4}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ns_type", FldName: "type", TypeSize: 8}}, Vals: []uint64{0, 134217728, 1073741824, 67108864}},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_namespace", FldName: "fd", TypeSize: 4}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ns_type", FldName: "type", TypeSize: 8}}, Vals: []uint64{0, 134217728, 1073741824, 67108864, 33554432, 131072, 536870912, 268435456}},
 	}},
 	{NR: 109, Name: "setpgid", CallName: "setpgid", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "pid", FldName: "pid", TypeSize: 4}},
@@ -24875,8 +24876,12 @@ var syscalls_amd64 = []*Syscall{
 	}, Ret: &ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "ret", TypeSize: 4, ArgDir: 1}}},
 	{Name: "syz_open_procfs", CallName: "syz_open_procfs", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "pid", FldName: "pid", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "file", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", IsVarlen: true}, Kind: 2, SubKind: "procfs_file", Values: []string{"auxv\x00", "cmdline\x00", "environ\x00", "autogroup\x00", "cgroup\x00", "clear_refs\x00", "comm\x00", "coredump_filter\x00", "cpuset\x00", "gid_map\x00", "io\x00", "limits\x00", "loginuid\x00", "maps\x00", "mountinfo\x00", "mounts\x00", "mountstats\x00", "numa_maps\x00", "oom_adj\x00", "oom_score\x00", "oom_score_adj\x00", "pagemap\x00", "personality\x00", "projid_map\x00", "sched\x00", "schedstat\x00", "sessionid\x00", "setgroups\x00", "smaps\x00", "stack\x00", "stat\x00", "statm\x00", "status\x00", "syscall\x00", "timers\x00", "uid_map\x00", "wchan\x00", "map_files\x00", "attr\x00", "attr/current\x00", "attr/exec\x00", "attr/fscreate\x00", "attr/keycreate\x00", "attr/prev\x00", "attr/sockcreate\x00", "ns\x00", "ns/cgroup\x00", "ns/ipc\x00", "ns/mnt\x00", "ns/net\x00", "ns/pid\x00", "ns/user\x00", "ns/uts\x00", "children\x00", "task\x00", "fdinfo\x00", "net\x00", "net/anycast6\x00", "net/arp\x00", "net/bnep\x00", "net/connector\x00", "net/dev\x00", "net/dev_mcast\x00", "net/dev_snmp6\x00", "net/fib_trie\x00", "net/fib_triestat\x00", "net/hci\x00", "net/icmp\x00", "net/icmp6\x00", "net/if_inet6\x00", "net/igmp\x00", "net/igmp6\x00", "net/ip6_flowlabel\x00", "net/ip6_mr_cache\x00", "net/ip6_mr_vif\x00", "net/ip6_tables_matches\x00", "net/ip6_tables_names\x00", "net/ip6_tables_targets\x00", "net/ip_mr_cache\x00", "net/ip_mr_vif\x00", "net/ip_tables_matches\x00", "net/ip_tables_names\x00", "net/ip_tables_targets\x00", "net/ipv6_route\x00", "net/ipx\x00", "net/l2cap\x00", "net/llc\x00", "net/mcfilter\x00", "net/mcfilter6\x00", "net/netfilter\x00", "net/netlink\x00", "net/netstat\x00", "net/nfsfs\x00", "net/packet\x00", "net/protocols\x00", "net/psched\x00", "net/ptype\x00", "net/raw\x00", "net/raw6\x00", "net/rfcomm\x00", "net/route\x00", "net/rpc\x00", "net/rt6_stats\x00", "net/rt_acct\x00", "net/rt_cache\x00", "net/sco\x00", "net/sctp\x00", "net/snmp\x00", "net/snmp6\x00", "net/sockstat\x00", "net/sockstat6\x00", "net/softnet_stat\x00", "net/stat\x00", "net/tcp\x00", "net/tcp6\x00", "net/udp\x00", "net/udp6\x00", "net/udplite\x00", "net/udplite6\x00", "net/unix\x00", "net/wireless\x00", "net/xfrm_stat\x00", "net/ip_vs\x00", "net/ip_vs_stats\x00", "net/ip_vs_stats_percpu\x00"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "file", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", IsVarlen: true}, Kind: 2, SubKind: "procfs_file", Values: []string{"auxv\x00", "cmdline\x00", "environ\x00", "autogroup\x00", "cgroup\x00", "clear_refs\x00", "comm\x00", "coredump_filter\x00", "cpuset\x00", "gid_map\x00", "io\x00", "limits\x00", "loginuid\x00", "maps\x00", "mountinfo\x00", "mounts\x00", "mountstats\x00", "numa_maps\x00", "oom_adj\x00", "oom_score\x00", "oom_score_adj\x00", "pagemap\x00", "personality\x00", "projid_map\x00", "sched\x00", "schedstat\x00", "sessionid\x00", "setgroups\x00", "smaps\x00", "smaps_rollup\x00", "stack\x00", "stat\x00", "statm\x00", "status\x00", "syscall\x00", "timers\x00", "uid_map\x00", "wchan\x00", "map_files\x00", "attr\x00", "attr/current\x00", "attr/exec\x00", "attr/fscreate\x00", "attr/keycreate\x00", "attr/prev\x00", "attr/sockcreate\x00", "ns\x00", "children\x00", "task\x00", "fd\x00", "fd/3\x00", "fd/4\x00", "fdinfo\x00", "fdinfo/3\x00", "fdinfo/4\x00", "net\x00", "net/anycast6\x00", "net/arp\x00", "net/bnep\x00", "net/connector\x00", "net/dev\x00", "net/dev_mcast\x00", "net/dev_snmp6\x00", "net/fib_trie\x00", "net/fib_triestat\x00", "net/hci\x00", "net/icmp\x00", "net/icmp6\x00", "net/if_inet6\x00", "net/igmp\x00", "net/igmp6\x00", "net/ip6_flowlabel\x00", "net/ip6_mr_cache\x00", "net/ip6_mr_vif\x00", "net/ip6_tables_matches\x00", "net/ip6_tables_names\x00", "net/ip6_tables_targets\x00", "net/ip_mr_cache\x00", "net/ip_mr_vif\x00", "net/ip_tables_matches\x00", "net/ip_tables_names\x00", "net/ip_tables_targets\x00", "net/ipv6_route\x00", "net/ipx\x00", "net/l2cap\x00", "net/llc\x00", "net/mcfilter\x00", "net/mcfilter6\x00", "net/netfilter\x00", "net/netlink\x00", "net/netstat\x00", "net/nfsfs\x00", "net/packet\x00", "net/protocols\x00", "net/psched\x00", "net/ptype\x00", "net/raw\x00", "net/raw6\x00", "net/rfcomm\x00", "net/route\x00", "net/rpc\x00", "net/rt6_stats\x00", "net/rt_acct\x00", "net/rt_cache\x00", "net/sco\x00", "net/sctp\x00", "net/snmp\x00", "net/snmp6\x00", "net/sockstat\x00", "net/sockstat6\x00", "net/softnet_stat\x00", "net/stat\x00", "net/tcp\x00", "net/tcp6\x00", "net/udp\x00", "net/udp6\x00", "net/udplite\x00", "net/udplite6\x00", "net/unix\x00", "net/wireless\x00", "net/xfrm_stat\x00", "net/ip_vs\x00", "net/ip_vs_stats\x00", "net/ip_vs_stats_percpu\x00"}}},
 	}, Ret: &ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "ret", TypeSize: 4, ArgDir: 1}}},
+	{Name: "syz_open_procfs$namespace", CallName: "syz_open_procfs", Args: []Type{
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "pid", FldName: "pid", TypeSize: 4}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "file", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", IsVarlen: true}, Kind: 2, SubKind: "procfs_namespace_file", Values: []string{"ns/cgroup\x00", "ns/ipc\x00", "ns/mnt\x00", "ns/net\x00", "ns/pid\x00", "ns/user\x00", "ns/uts\x00", "ns/pid_for_children\x00"}}},
+	}, Ret: &ResourceType{TypeCommon: TypeCommon{TypeName: "fd_namespace", FldName: "ret", TypeSize: 4, ArgDir: 1}}},
 	{Name: "syz_open_pts", CallName: "syz_open_pts", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_tty", FldName: "fd", TypeSize: 4}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "open_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{0, 1, 2, 1024, 8192, 524288, 64, 16384, 65536, 128, 32768, 262144, 256, 131072, 2048, 2097152, 1052672, 512, 4194304}},
@@ -24962,7 +24967,7 @@ var syscalls_amd64 = []*Syscall{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unlinkat_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{0, 512}},
 	}},
 	{NR: 272, Name: "unshare", CallName: "unshare", Args: []Type{
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "clone_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{256, 512, 1024, 2048, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 8388608, 16777216, 33554432, 67108864, 134217728, 268435456, 536870912, 1073741824, 2147483648}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unshare_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{1024, 512, 33554432, 134217728, 1073741824, 131072, 536870912, 268435456, 67108864, 262144, 65536, 2048, 256}},
 	}},
 	{NR: 134, Name: "uselib", CallName: "uselib", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "lib", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
@@ -26880,6 +26885,7 @@ var consts_amd64 = []ConstValue{
 	{Name: "KCMP_SYSVSEM", Value: 6},
 	{Name: "KCMP_VM", Value: 1},
 	{Name: "KCM_RECV_DISABLE", Value: 1},
+	{Name: "KCOV_DISABLE", Value: 25445},
 	{Name: "KCOV_ENABLE", Value: 25444},
 	{Name: "KCOV_INIT_TRACE", Value: 2148033281},
 	{Name: "KCOV_TRACE_CMP", Value: 1},
@@ -29603,4 +29609,4 @@ var consts_amd64 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_amd64 = "5e7ba513507e7d4f521debef48179bff8c5a38a5"
+const revision_amd64 = "795914aeb4dee8692590a5849b8b798bda6ac600"
diff --git a/sys/linux/arm.go b/sys/linux/arm.go
index 33cf6ff73..75cf7e580 100644
--- a/sys/linux/arm.go
+++ b/sys/linux/arm.go
@@ -44,6 +44,7 @@ var resources_arm = []*ResourceDesc{
 	{Name: "fd_loop_ctrl", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_loop_ctrl"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_loop_num", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", TypeSize: 4}}}, Kind: []string{"fd_loop_num"}, Values: []uint64{0, 1, 2, 10, 11, 12}},
 	{Name: "fd_mq", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_mq"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
+	{Name: "fd_namespace", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_namespace"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_perf", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_perf"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_random", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_random"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_rdma_cm", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_rdma_cm"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
@@ -21597,8 +21598,8 @@ var syscalls_arm = []*Syscall{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "old", TypeSize: 4, IsOptional: true}, Type: &StructType{Key: StructKey{Name: "itimerval", Dir: 1}}},
 	}},
 	{NR: 375, Name: "setns", CallName: "setns", Args: []Type{
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "fd", TypeSize: 4}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ns_type", FldName: "type", TypeSize: 4}}, Vals: []uint64{0, 134217728, 1073741824, 67108864}},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_namespace", FldName: "fd", TypeSize: 4}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ns_type", FldName: "type", TypeSize: 4}}, Vals: []uint64{0, 134217728, 1073741824, 67108864, 33554432, 131072, 536870912, 268435456}},
 	}},
 	{NR: 57, Name: "setpgid", CallName: "setpgid", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "pid", FldName: "pid", TypeSize: 4}},
@@ -24154,8 +24155,12 @@ var syscalls_arm = []*Syscall{
 	}, Ret: &ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "ret", TypeSize: 4, ArgDir: 1}}},
 	{Name: "syz_open_procfs", CallName: "syz_open_procfs", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "pid", FldName: "pid", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "file", TypeSize: 4}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", IsVarlen: true}, Kind: 2, SubKind: "procfs_file", Values: []string{"auxv\x00", "cmdline\x00", "environ\x00", "autogroup\x00", "cgroup\x00", "clear_refs\x00", "comm\x00", "coredump_filter\x00", "cpuset\x00", "gid_map\x00", "io\x00", "limits\x00", "loginuid\x00", "maps\x00", "mountinfo\x00", "mounts\x00", "mountstats\x00", "numa_maps\x00", "oom_adj\x00", "oom_score\x00", "oom_score_adj\x00", "pagemap\x00", "personality\x00", "projid_map\x00", "sched\x00", "schedstat\x00", "sessionid\x00", "setgroups\x00", "smaps\x00", "stack\x00", "stat\x00", "statm\x00", "status\x00", "syscall\x00", "timers\x00", "uid_map\x00", "wchan\x00", "map_files\x00", "attr\x00", "attr/current\x00", "attr/exec\x00", "attr/fscreate\x00", "attr/keycreate\x00", "attr/prev\x00", "attr/sockcreate\x00", "ns\x00", "ns/cgroup\x00", "ns/ipc\x00", "ns/mnt\x00", "ns/net\x00", "ns/pid\x00", "ns/user\x00", "ns/uts\x00", "children\x00", "task\x00", "fdinfo\x00", "net\x00", "net/anycast6\x00", "net/arp\x00", "net/bnep\x00", "net/connector\x00", "net/dev\x00", "net/dev_mcast\x00", "net/dev_snmp6\x00", "net/fib_trie\x00", "net/fib_triestat\x00", "net/hci\x00", "net/icmp\x00", "net/icmp6\x00", "net/if_inet6\x00", "net/igmp\x00", "net/igmp6\x00", "net/ip6_flowlabel\x00", "net/ip6_mr_cache\x00", "net/ip6_mr_vif\x00", "net/ip6_tables_matches\x00", "net/ip6_tables_names\x00", "net/ip6_tables_targets\x00", "net/ip_mr_cache\x00", "net/ip_mr_vif\x00", "net/ip_tables_matches\x00", "net/ip_tables_names\x00", "net/ip_tables_targets\x00", "net/ipv6_route\x00", "net/ipx\x00", "net/l2cap\x00", "net/llc\x00", "net/mcfilter\x00", "net/mcfilter6\x00", "net/netfilter\x00", "net/netlink\x00", "net/netstat\x00", "net/nfsfs\x00", "net/packet\x00", "net/protocols\x00", "net/psched\x00", "net/ptype\x00", "net/raw\x00", "net/raw6\x00", "net/rfcomm\x00", "net/route\x00", "net/rpc\x00", "net/rt6_stats\x00", "net/rt_acct\x00", "net/rt_cache\x00", "net/sco\x00", "net/sctp\x00", "net/snmp\x00", "net/snmp6\x00", "net/sockstat\x00", "net/sockstat6\x00", "net/softnet_stat\x00", "net/stat\x00", "net/tcp\x00", "net/tcp6\x00", "net/udp\x00", "net/udp6\x00", "net/udplite\x00", "net/udplite6\x00", "net/unix\x00", "net/wireless\x00", "net/xfrm_stat\x00", "net/ip_vs\x00", "net/ip_vs_stats\x00", "net/ip_vs_stats_percpu\x00"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "file", TypeSize: 4}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", IsVarlen: true}, Kind: 2, SubKind: "procfs_file", Values: []string{"auxv\x00", "cmdline\x00", "environ\x00", "autogroup\x00", "cgroup\x00", "clear_refs\x00", "comm\x00", "coredump_filter\x00", "cpuset\x00", "gid_map\x00", "io\x00", "limits\x00", "loginuid\x00", "maps\x00", "mountinfo\x00", "mounts\x00", "mountstats\x00", "numa_maps\x00", "oom_adj\x00", "oom_score\x00", "oom_score_adj\x00", "pagemap\x00", "personality\x00", "projid_map\x00", "sched\x00", "schedstat\x00", "sessionid\x00", "setgroups\x00", "smaps\x00", "smaps_rollup\x00", "stack\x00", "stat\x00", "statm\x00", "status\x00", "syscall\x00", "timers\x00", "uid_map\x00", "wchan\x00", "map_files\x00", "attr\x00", "attr/current\x00", "attr/exec\x00", "attr/fscreate\x00", "attr/keycreate\x00", "attr/prev\x00", "attr/sockcreate\x00", "ns\x00", "children\x00", "task\x00", "fd\x00", "fd/3\x00", "fd/4\x00", "fdinfo\x00", "fdinfo/3\x00", "fdinfo/4\x00", "net\x00", "net/anycast6\x00", "net/arp\x00", "net/bnep\x00", "net/connector\x00", "net/dev\x00", "net/dev_mcast\x00", "net/dev_snmp6\x00", "net/fib_trie\x00", "net/fib_triestat\x00", "net/hci\x00", "net/icmp\x00", "net/icmp6\x00", "net/if_inet6\x00", "net/igmp\x00", "net/igmp6\x00", "net/ip6_flowlabel\x00", "net/ip6_mr_cache\x00", "net/ip6_mr_vif\x00", "net/ip6_tables_matches\x00", "net/ip6_tables_names\x00", "net/ip6_tables_targets\x00", "net/ip_mr_cache\x00", "net/ip_mr_vif\x00", "net/ip_tables_matches\x00", "net/ip_tables_names\x00", "net/ip_tables_targets\x00", "net/ipv6_route\x00", "net/ipx\x00", "net/l2cap\x00", "net/llc\x00", "net/mcfilter\x00", "net/mcfilter6\x00", "net/netfilter\x00", "net/netlink\x00", "net/netstat\x00", "net/nfsfs\x00", "net/packet\x00", "net/protocols\x00", "net/psched\x00", "net/ptype\x00", "net/raw\x00", "net/raw6\x00", "net/rfcomm\x00", "net/route\x00", "net/rpc\x00", "net/rt6_stats\x00", "net/rt_acct\x00", "net/rt_cache\x00", "net/sco\x00", "net/sctp\x00", "net/snmp\x00", "net/snmp6\x00", "net/sockstat\x00", "net/sockstat6\x00", "net/softnet_stat\x00", "net/stat\x00", "net/tcp\x00", "net/tcp6\x00", "net/udp\x00", "net/udp6\x00", "net/udplite\x00", "net/udplite6\x00", "net/unix\x00", "net/wireless\x00", "net/xfrm_stat\x00", "net/ip_vs\x00", "net/ip_vs_stats\x00", "net/ip_vs_stats_percpu\x00"}}},
 	}, Ret: &ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "ret", TypeSize: 4, ArgDir: 1}}},
+	{Name: "syz_open_procfs$namespace", CallName: "syz_open_procfs", Args: []Type{
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "pid", FldName: "pid", TypeSize: 4}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "file", TypeSize: 4}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", IsVarlen: true}, Kind: 2, SubKind: "procfs_namespace_file", Values: []string{"ns/cgroup\x00", "ns/ipc\x00", "ns/mnt\x00", "ns/net\x00", "ns/pid\x00", "ns/user\x00", "ns/uts\x00", "ns/pid_for_children\x00"}}},
+	}, Ret: &ResourceType{TypeCommon: TypeCommon{TypeName: "fd_namespace", FldName: "ret", TypeSize: 4, ArgDir: 1}}},
 	{Name: "syz_open_pts", CallName: "syz_open_pts", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_tty", FldName: "fd", TypeSize: 4}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "open_flags", FldName: "flags", TypeSize: 4}}, Vals: []uint64{0, 1, 2, 1024, 8192, 524288, 64, 65536, 16384, 128, 131072, 262144, 256, 32768, 2048, 2097152, 1052672, 512, 4194304}},
@@ -24238,7 +24243,7 @@ var syscalls_arm = []*Syscall{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unlinkat_flags", FldName: "flags", TypeSize: 4}}, Vals: []uint64{0, 512}},
 	}},
 	{NR: 337, Name: "unshare", CallName: "unshare", Args: []Type{
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "clone_flags", FldName: "flags", TypeSize: 4}}, Vals: []uint64{256, 512, 1024, 2048, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 8388608, 16777216, 33554432, 67108864, 134217728, 268435456, 536870912, 1073741824, 2147483648}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unshare_flags", FldName: "flags", TypeSize: 4}}, Vals: []uint64{1024, 512, 33554432, 134217728, 1073741824, 131072, 536870912, 268435456, 67108864, 262144, 65536, 2048, 256}},
 	}},
 	{NR: 86, Name: "uselib", CallName: "uselib", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "lib", TypeSize: 4}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
@@ -26152,6 +26157,7 @@ var consts_arm = []ConstValue{
 	{Name: "KCMP_SYSVSEM", Value: 6},
 	{Name: "KCMP_VM", Value: 1},
 	{Name: "KCM_RECV_DISABLE", Value: 1},
+	{Name: "KCOV_DISABLE", Value: 25445},
 	{Name: "KCOV_ENABLE", Value: 25444},
 	{Name: "KCOV_INIT_TRACE", Value: 2147771137},
 	{Name: "KCOV_TRACE_CMP", Value: 1},
@@ -28801,4 +28807,4 @@ var consts_arm = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_arm = "2dbd32257faac18a8dba1d81c18741ca6b74d3a1"
+const revision_arm = "a34ee00c91ffd00f6d3ce3ec7639ee0f37a5fdf8"
diff --git a/sys/linux/arm64.go b/sys/linux/arm64.go
index e7bb6ce52..03a2369a9 100644
--- a/sys/linux/arm64.go
+++ b/sys/linux/arm64.go
@@ -44,6 +44,7 @@ var resources_arm64 = []*ResourceDesc{
 	{Name: "fd_loop_ctrl", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_loop_ctrl"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_loop_num", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", TypeSize: 8}}}, Kind: []string{"fd_loop_num"}, Values: []uint64{0, 1, 2, 10, 11, 12}},
 	{Name: "fd_mq", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_mq"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
+	{Name: "fd_namespace", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_namespace"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_perf", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_perf"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_random", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_random"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_rdma_cm", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_rdma_cm"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
@@ -21824,8 +21825,8 @@ var syscalls_arm64 = []*Syscall{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "old", TypeSize: 8, IsOptional: true}, Type: &StructType{Key: StructKey{Name: "itimerval", Dir: 1}}},
 	}},
 	{NR: 268, Name: "setns", CallName: "setns", Args: []Type{
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "fd", TypeSize: 4}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ns_type", FldName: "type", TypeSize: 8}}, Vals: []uint64{0, 134217728, 1073741824, 67108864}},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_namespace", FldName: "fd", TypeSize: 4}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ns_type", FldName: "type", TypeSize: 8}}, Vals: []uint64{0, 134217728, 1073741824, 67108864, 33554432, 131072, 536870912, 268435456}},
 	}},
 	{NR: 154, Name: "setpgid", CallName: "setpgid", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "pid", FldName: "pid", TypeSize: 4}},
@@ -24362,8 +24363,12 @@ var syscalls_arm64 = []*Syscall{
 	}, Ret: &ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "ret", TypeSize: 4, ArgDir: 1}}},
 	{Name: "syz_open_procfs", CallName: "syz_open_procfs", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "pid", FldName: "pid", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "file", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", IsVarlen: true}, Kind: 2, SubKind: "procfs_file", Values: []string{"auxv\x00", "cmdline\x00", "environ\x00", "autogroup\x00", "cgroup\x00", "clear_refs\x00", "comm\x00", "coredump_filter\x00", "cpuset\x00", "gid_map\x00", "io\x00", "limits\x00", "loginuid\x00", "maps\x00", "mountinfo\x00", "mounts\x00", "mountstats\x00", "numa_maps\x00", "oom_adj\x00", "oom_score\x00", "oom_score_adj\x00", "pagemap\x00", "personality\x00", "projid_map\x00", "sched\x00", "schedstat\x00", "sessionid\x00", "setgroups\x00", "smaps\x00", "stack\x00", "stat\x00", "statm\x00", "status\x00", "syscall\x00", "timers\x00", "uid_map\x00", "wchan\x00", "map_files\x00", "attr\x00", "attr/current\x00", "attr/exec\x00", "attr/fscreate\x00", "attr/keycreate\x00", "attr/prev\x00", "attr/sockcreate\x00", "ns\x00", "ns/cgroup\x00", "ns/ipc\x00", "ns/mnt\x00", "ns/net\x00", "ns/pid\x00", "ns/user\x00", "ns/uts\x00", "children\x00", "task\x00", "fdinfo\x00", "net\x00", "net/anycast6\x00", "net/arp\x00", "net/bnep\x00", "net/connector\x00", "net/dev\x00", "net/dev_mcast\x00", "net/dev_snmp6\x00", "net/fib_trie\x00", "net/fib_triestat\x00", "net/hci\x00", "net/icmp\x00", "net/icmp6\x00", "net/if_inet6\x00", "net/igmp\x00", "net/igmp6\x00", "net/ip6_flowlabel\x00", "net/ip6_mr_cache\x00", "net/ip6_mr_vif\x00", "net/ip6_tables_matches\x00", "net/ip6_tables_names\x00", "net/ip6_tables_targets\x00", "net/ip_mr_cache\x00", "net/ip_mr_vif\x00", "net/ip_tables_matches\x00", "net/ip_tables_names\x00", "net/ip_tables_targets\x00", "net/ipv6_route\x00", "net/ipx\x00", "net/l2cap\x00", "net/llc\x00", "net/mcfilter\x00", "net/mcfilter6\x00", "net/netfilter\x00", "net/netlink\x00", "net/netstat\x00", "net/nfsfs\x00", "net/packet\x00", "net/protocols\x00", "net/psched\x00", "net/ptype\x00", "net/raw\x00", "net/raw6\x00", "net/rfcomm\x00", "net/route\x00", "net/rpc\x00", "net/rt6_stats\x00", "net/rt_acct\x00", "net/rt_cache\x00", "net/sco\x00", "net/sctp\x00", "net/snmp\x00", "net/snmp6\x00", "net/sockstat\x00", "net/sockstat6\x00", "net/softnet_stat\x00", "net/stat\x00", "net/tcp\x00", "net/tcp6\x00", "net/udp\x00", "net/udp6\x00", "net/udplite\x00", "net/udplite6\x00", "net/unix\x00", "net/wireless\x00", "net/xfrm_stat\x00", "net/ip_vs\x00", "net/ip_vs_stats\x00", "net/ip_vs_stats_percpu\x00"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "file", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", IsVarlen: true}, Kind: 2, SubKind: "procfs_file", Values: []string{"auxv\x00", "cmdline\x00", "environ\x00", "autogroup\x00", "cgroup\x00", "clear_refs\x00", "comm\x00", "coredump_filter\x00", "cpuset\x00", "gid_map\x00", "io\x00", "limits\x00", "loginuid\x00", "maps\x00", "mountinfo\x00", "mounts\x00", "mountstats\x00", "numa_maps\x00", "oom_adj\x00", "oom_score\x00", "oom_score_adj\x00", "pagemap\x00", "personality\x00", "projid_map\x00", "sched\x00", "schedstat\x00", "sessionid\x00", "setgroups\x00", "smaps\x00", "smaps_rollup\x00", "stack\x00", "stat\x00", "statm\x00", "status\x00", "syscall\x00", "timers\x00", "uid_map\x00", "wchan\x00", "map_files\x00", "attr\x00", "attr/current\x00", "attr/exec\x00", "attr/fscreate\x00", "attr/keycreate\x00", "attr/prev\x00", "attr/sockcreate\x00", "ns\x00", "children\x00", "task\x00", "fd\x00", "fd/3\x00", "fd/4\x00", "fdinfo\x00", "fdinfo/3\x00", "fdinfo/4\x00", "net\x00", "net/anycast6\x00", "net/arp\x00", "net/bnep\x00", "net/connector\x00", "net/dev\x00", "net/dev_mcast\x00", "net/dev_snmp6\x00", "net/fib_trie\x00", "net/fib_triestat\x00", "net/hci\x00", "net/icmp\x00", "net/icmp6\x00", "net/if_inet6\x00", "net/igmp\x00", "net/igmp6\x00", "net/ip6_flowlabel\x00", "net/ip6_mr_cache\x00", "net/ip6_mr_vif\x00", "net/ip6_tables_matches\x00", "net/ip6_tables_names\x00", "net/ip6_tables_targets\x00", "net/ip_mr_cache\x00", "net/ip_mr_vif\x00", "net/ip_tables_matches\x00", "net/ip_tables_names\x00", "net/ip_tables_targets\x00", "net/ipv6_route\x00", "net/ipx\x00", "net/l2cap\x00", "net/llc\x00", "net/mcfilter\x00", "net/mcfilter6\x00", "net/netfilter\x00", "net/netlink\x00", "net/netstat\x00", "net/nfsfs\x00", "net/packet\x00", "net/protocols\x00", "net/psched\x00", "net/ptype\x00", "net/raw\x00", "net/raw6\x00", "net/rfcomm\x00", "net/route\x00", "net/rpc\x00", "net/rt6_stats\x00", "net/rt_acct\x00", "net/rt_cache\x00", "net/sco\x00", "net/sctp\x00", "net/snmp\x00", "net/snmp6\x00", "net/sockstat\x00", "net/sockstat6\x00", "net/softnet_stat\x00", "net/stat\x00", "net/tcp\x00", "net/tcp6\x00", "net/udp\x00", "net/udp6\x00", "net/udplite\x00", "net/udplite6\x00", "net/unix\x00", "net/wireless\x00", "net/xfrm_stat\x00", "net/ip_vs\x00", "net/ip_vs_stats\x00", "net/ip_vs_stats_percpu\x00"}}},
 	}, Ret: &ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "ret", TypeSize: 4, ArgDir: 1}}},
+	{Name: "syz_open_procfs$namespace", CallName: "syz_open_procfs", Args: []Type{
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "pid", FldName: "pid", TypeSize: 4}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "file", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", IsVarlen: true}, Kind: 2, SubKind: "procfs_namespace_file", Values: []string{"ns/cgroup\x00", "ns/ipc\x00", "ns/mnt\x00", "ns/net\x00", "ns/pid\x00", "ns/user\x00", "ns/uts\x00", "ns/pid_for_children\x00"}}},
+	}, Ret: &ResourceType{TypeCommon: TypeCommon{TypeName: "fd_namespace", FldName: "ret", TypeSize: 4, ArgDir: 1}}},
 	{Name: "syz_open_pts", CallName: "syz_open_pts", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_tty", FldName: "fd", TypeSize: 4}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "open_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{0, 1, 2, 1024, 8192, 524288, 64, 65536, 16384, 128, 131072, 262144, 256, 32768, 2048, 2097152, 1052672, 512, 4194304}},
@@ -24443,7 +24448,7 @@ var syscalls_arm64 = []*Syscall{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unlinkat_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{0, 512}},
 	}},
 	{NR: 97, Name: "unshare", CallName: "unshare", Args: []Type{
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "clone_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{256, 512, 1024, 2048, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 8388608, 16777216, 33554432, 67108864, 134217728, 268435456, 536870912, 1073741824, 2147483648}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unshare_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{1024, 512, 33554432, 134217728, 1073741824, 131072, 536870912, 268435456, 67108864, 262144, 65536, 2048, 256}},
 	}},
 	{NR: 282, Name: "userfaultfd", CallName: "userfaultfd", Args: []Type{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "userfaultfd_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{2048, 524288}},
@@ -26346,6 +26351,7 @@ var consts_arm64 = []ConstValue{
 	{Name: "KCMP_SYSVSEM", Value: 6},
 	{Name: "KCMP_VM", Value: 1},
 	{Name: "KCM_RECV_DISABLE", Value: 1},
+	{Name: "KCOV_DISABLE", Value: 25445},
 	{Name: "KCOV_ENABLE", Value: 25444},
 	{Name: "KCOV_INIT_TRACE", Value: 2148033281},
 	{Name: "KCOV_TRACE_CMP", Value: 1},
@@ -28985,4 +28991,4 @@ var consts_arm64 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_arm64 = "bdb5ff7dcca0446c041419cf514f1776d90e641e"
+const revision_arm64 = "628fa07a3fb2cad0c6c0661209c33fc430181784"
diff --git a/sys/linux/namespaces.txt b/sys/linux/namespaces.txt
new file mode 100644
index 000000000..3c1a44b60
--- /dev/null
+++ b/sys/linux/namespaces.txt
@@ -0,0 +1,16 @@
+# Copyright 2018 syzkaller project authors. All rights reserved.
+# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+include <uapi/linux/sched.h>
+
+resource fd_namespace[fd]
+
+unshare(flags flags[unshare_flags])
+setns(fd fd_namespace, type flags[ns_type])
+
+syz_open_procfs$namespace(pid pid, file ptr[in, string[procfs_namespace_file]]) fd_namespace
+
+procfs_namespace_file = "ns/cgroup", "ns/ipc", "ns/mnt", "ns/net", "ns/pid", "ns/user", "ns/uts", "ns/pid_for_children"
+
+unshare_flags = CLONE_FILES, CLONE_FS, CLONE_NEWCGROUP, CLONE_NEWIPC, CLONE_NEWNET, CLONE_NEWNS, CLONE_NEWPID, CLONE_NEWUSER, CLONE_NEWUTS, CLONE_SYSVSEM, CLONE_THREAD, CLONE_SIGHAND, CLONE_VM
+ns_type = 0, CLONE_NEWIPC, CLONE_NEWNET, CLONE_NEWUTS, CLONE_NEWCGROUP, CLONE_NEWNS, CLONE_NEWPID, CLONE_NEWUSER
diff --git a/sys/linux/namespaces_386.const b/sys/linux/namespaces_386.const
new file mode 100644
index 000000000..dfffdf628
--- /dev/null
+++ b/sys/linux/namespaces_386.const
@@ -0,0 +1,16 @@
+# AUTOGENERATED FILE
+CLONE_FILES = 1024
+CLONE_FS = 512
+CLONE_NEWCGROUP = 33554432
+CLONE_NEWIPC = 134217728
+CLONE_NEWNET = 1073741824
+CLONE_NEWNS = 131072
+CLONE_NEWPID = 536870912
+CLONE_NEWUSER = 268435456
+CLONE_NEWUTS = 67108864
+CLONE_SIGHAND = 2048
+CLONE_SYSVSEM = 262144
+CLONE_THREAD = 65536
+CLONE_VM = 256
+__NR_setns = 346
+__NR_unshare = 310
diff --git a/sys/linux/namespaces_amd64.const b/sys/linux/namespaces_amd64.const
new file mode 100644
index 000000000..80d705e85
--- /dev/null
+++ b/sys/linux/namespaces_amd64.const
@@ -0,0 +1,16 @@
+# AUTOGENERATED FILE
+CLONE_FILES = 1024
+CLONE_FS = 512
+CLONE_NEWCGROUP = 33554432
+CLONE_NEWIPC = 134217728
+CLONE_NEWNET = 1073741824
+CLONE_NEWNS = 131072
+CLONE_NEWPID = 536870912
+CLONE_NEWUSER = 268435456
+CLONE_NEWUTS = 67108864
+CLONE_SIGHAND = 2048
+CLONE_SYSVSEM = 262144
+CLONE_THREAD = 65536
+CLONE_VM = 256
+__NR_setns = 308
+__NR_unshare = 272
diff --git a/sys/linux/namespaces_arm.const b/sys/linux/namespaces_arm.const
new file mode 100644
index 000000000..d7eb497aa
--- /dev/null
+++ b/sys/linux/namespaces_arm.const
@@ -0,0 +1,16 @@
+# AUTOGENERATED FILE
+CLONE_FILES = 1024
+CLONE_FS = 512
+CLONE_NEWCGROUP = 33554432
+CLONE_NEWIPC = 134217728
+CLONE_NEWNET = 1073741824
+CLONE_NEWNS = 131072
+CLONE_NEWPID = 536870912
+CLONE_NEWUSER = 268435456
+CLONE_NEWUTS = 67108864
+CLONE_SIGHAND = 2048
+CLONE_SYSVSEM = 262144
+CLONE_THREAD = 65536
+CLONE_VM = 256
+__NR_setns = 375
+__NR_unshare = 337
diff --git a/sys/linux/namespaces_arm64.const b/sys/linux/namespaces_arm64.const
new file mode 100644
index 000000000..64a16727b
--- /dev/null
+++ b/sys/linux/namespaces_arm64.const
@@ -0,0 +1,16 @@
+# AUTOGENERATED FILE
+CLONE_FILES = 1024
+CLONE_FS = 512
+CLONE_NEWCGROUP = 33554432
+CLONE_NEWIPC = 134217728
+CLONE_NEWNET = 1073741824
+CLONE_NEWNS = 131072
+CLONE_NEWPID = 536870912
+CLONE_NEWUSER = 268435456
+CLONE_NEWUTS = 67108864
+CLONE_SIGHAND = 2048
+CLONE_SYSVSEM = 262144
+CLONE_THREAD = 65536
+CLONE_VM = 256
+__NR_setns = 268
+__NR_unshare = 97
diff --git a/sys/linux/namespaces_ppc64le.const b/sys/linux/namespaces_ppc64le.const
new file mode 100644
index 000000000..f38c9f34b
--- /dev/null
+++ b/sys/linux/namespaces_ppc64le.const
@@ -0,0 +1,16 @@
+# AUTOGENERATED FILE
+CLONE_FILES = 1024
+CLONE_FS = 512
+CLONE_NEWCGROUP = 33554432
+CLONE_NEWIPC = 134217728
+CLONE_NEWNET = 1073741824
+CLONE_NEWNS = 131072
+CLONE_NEWPID = 536870912
+CLONE_NEWUSER = 268435456
+CLONE_NEWUTS = 67108864
+CLONE_SIGHAND = 2048
+CLONE_SYSVSEM = 262144
+CLONE_THREAD = 65536
+CLONE_VM = 256
+__NR_setns = 350
+__NR_unshare = 282
diff --git a/sys/linux/ppc64le.go b/sys/linux/ppc64le.go
index 810158e51..d81a9ed1c 100644
--- a/sys/linux/ppc64le.go
+++ b/sys/linux/ppc64le.go
@@ -44,6 +44,7 @@ var resources_ppc64le = []*ResourceDesc{
 	{Name: "fd_loop_ctrl", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_loop_ctrl"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_loop_num", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", TypeSize: 8}}}, Kind: []string{"fd_loop_num"}, Values: []uint64{0, 1, 2, 10, 11, 12}},
 	{Name: "fd_mq", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_mq"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
+	{Name: "fd_namespace", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_namespace"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_perf", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_perf"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_random", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_random"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
 	{Name: "fd_rdma_cm", Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", TypeSize: 4}}}, Kind: []string{"fd", "fd_rdma_cm"}, Values: []uint64{18446744073709551615, 18446744073709551516}},
@@ -21608,8 +21609,8 @@ var syscalls_ppc64le = []*Syscall{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "old", TypeSize: 8, IsOptional: true}, Type: &StructType{Key: StructKey{Name: "itimerval", Dir: 1}}},
 	}},
 	{NR: 350, Name: "setns", CallName: "setns", Args: []Type{
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "fd", TypeSize: 4}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ns_type", FldName: "type", TypeSize: 8}}, Vals: []uint64{0, 134217728, 1073741824, 67108864}},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_namespace", FldName: "fd", TypeSize: 4}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ns_type", FldName: "type", TypeSize: 8}}, Vals: []uint64{0, 134217728, 1073741824, 67108864, 33554432, 131072, 536870912, 268435456}},
 	}},
 	{NR: 57, Name: "setpgid", CallName: "setpgid", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "pid", FldName: "pid", TypeSize: 4}},
@@ -24108,8 +24109,12 @@ var syscalls_ppc64le = []*Syscall{
 	}, Ret: &ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "ret", TypeSize: 4, ArgDir: 1}}},
 	{Name: "syz_open_procfs", CallName: "syz_open_procfs", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "pid", FldName: "pid", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "file", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", IsVarlen: true}, Kind: 2, SubKind: "procfs_file", Values: []string{"auxv\x00", "cmdline\x00", "environ\x00", "autogroup\x00", "cgroup\x00", "clear_refs\x00", "comm\x00", "coredump_filter\x00", "cpuset\x00", "gid_map\x00", "io\x00", "limits\x00", "loginuid\x00", "maps\x00", "mountinfo\x00", "mounts\x00", "mountstats\x00", "numa_maps\x00", "oom_adj\x00", "oom_score\x00", "oom_score_adj\x00", "pagemap\x00", "personality\x00", "projid_map\x00", "sched\x00", "schedstat\x00", "sessionid\x00", "setgroups\x00", "smaps\x00", "stack\x00", "stat\x00", "statm\x00", "status\x00", "syscall\x00", "timers\x00", "uid_map\x00", "wchan\x00", "map_files\x00", "attr\x00", "attr/current\x00", "attr/exec\x00", "attr/fscreate\x00", "attr/keycreate\x00", "attr/prev\x00", "attr/sockcreate\x00", "ns\x00", "ns/cgroup\x00", "ns/ipc\x00", "ns/mnt\x00", "ns/net\x00", "ns/pid\x00", "ns/user\x00", "ns/uts\x00", "children\x00", "task\x00", "fdinfo\x00", "net\x00", "net/anycast6\x00", "net/arp\x00", "net/bnep\x00", "net/connector\x00", "net/dev\x00", "net/dev_mcast\x00", "net/dev_snmp6\x00", "net/fib_trie\x00", "net/fib_triestat\x00", "net/hci\x00", "net/icmp\x00", "net/icmp6\x00", "net/if_inet6\x00", "net/igmp\x00", "net/igmp6\x00", "net/ip6_flowlabel\x00", "net/ip6_mr_cache\x00", "net/ip6_mr_vif\x00", "net/ip6_tables_matches\x00", "net/ip6_tables_names\x00", "net/ip6_tables_targets\x00", "net/ip_mr_cache\x00", "net/ip_mr_vif\x00", "net/ip_tables_matches\x00", "net/ip_tables_names\x00", "net/ip_tables_targets\x00", "net/ipv6_route\x00", "net/ipx\x00", "net/l2cap\x00", "net/llc\x00", "net/mcfilter\x00", "net/mcfilter6\x00", "net/netfilter\x00", "net/netlink\x00", "net/netstat\x00", "net/nfsfs\x00", "net/packet\x00", "net/protocols\x00", "net/psched\x00", "net/ptype\x00", "net/raw\x00", "net/raw6\x00", "net/rfcomm\x00", "net/route\x00", "net/rpc\x00", "net/rt6_stats\x00", "net/rt_acct\x00", "net/rt_cache\x00", "net/sco\x00", "net/sctp\x00", "net/snmp\x00", "net/snmp6\x00", "net/sockstat\x00", "net/sockstat6\x00", "net/softnet_stat\x00", "net/stat\x00", "net/tcp\x00", "net/tcp6\x00", "net/udp\x00", "net/udp6\x00", "net/udplite\x00", "net/udplite6\x00", "net/unix\x00", "net/wireless\x00", "net/xfrm_stat\x00", "net/ip_vs\x00", "net/ip_vs_stats\x00", "net/ip_vs_stats_percpu\x00"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "file", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", IsVarlen: true}, Kind: 2, SubKind: "procfs_file", Values: []string{"auxv\x00", "cmdline\x00", "environ\x00", "autogroup\x00", "cgroup\x00", "clear_refs\x00", "comm\x00", "coredump_filter\x00", "cpuset\x00", "gid_map\x00", "io\x00", "limits\x00", "loginuid\x00", "maps\x00", "mountinfo\x00", "mounts\x00", "mountstats\x00", "numa_maps\x00", "oom_adj\x00", "oom_score\x00", "oom_score_adj\x00", "pagemap\x00", "personality\x00", "projid_map\x00", "sched\x00", "schedstat\x00", "sessionid\x00", "setgroups\x00", "smaps\x00", "smaps_rollup\x00", "stack\x00", "stat\x00", "statm\x00", "status\x00", "syscall\x00", "timers\x00", "uid_map\x00", "wchan\x00", "map_files\x00", "attr\x00", "attr/current\x00", "attr/exec\x00", "attr/fscreate\x00", "attr/keycreate\x00", "attr/prev\x00", "attr/sockcreate\x00", "ns\x00", "children\x00", "task\x00", "fd\x00", "fd/3\x00", "fd/4\x00", "fdinfo\x00", "fdinfo/3\x00", "fdinfo/4\x00", "net\x00", "net/anycast6\x00", "net/arp\x00", "net/bnep\x00", "net/connector\x00", "net/dev\x00", "net/dev_mcast\x00", "net/dev_snmp6\x00", "net/fib_trie\x00", "net/fib_triestat\x00", "net/hci\x00", "net/icmp\x00", "net/icmp6\x00", "net/if_inet6\x00", "net/igmp\x00", "net/igmp6\x00", "net/ip6_flowlabel\x00", "net/ip6_mr_cache\x00", "net/ip6_mr_vif\x00", "net/ip6_tables_matches\x00", "net/ip6_tables_names\x00", "net/ip6_tables_targets\x00", "net/ip_mr_cache\x00", "net/ip_mr_vif\x00", "net/ip_tables_matches\x00", "net/ip_tables_names\x00", "net/ip_tables_targets\x00", "net/ipv6_route\x00", "net/ipx\x00", "net/l2cap\x00", "net/llc\x00", "net/mcfilter\x00", "net/mcfilter6\x00", "net/netfilter\x00", "net/netlink\x00", "net/netstat\x00", "net/nfsfs\x00", "net/packet\x00", "net/protocols\x00", "net/psched\x00", "net/ptype\x00", "net/raw\x00", "net/raw6\x00", "net/rfcomm\x00", "net/route\x00", "net/rpc\x00", "net/rt6_stats\x00", "net/rt_acct\x00", "net/rt_cache\x00", "net/sco\x00", "net/sctp\x00", "net/snmp\x00", "net/snmp6\x00", "net/sockstat\x00", "net/sockstat6\x00", "net/softnet_stat\x00", "net/stat\x00", "net/tcp\x00", "net/tcp6\x00", "net/udp\x00", "net/udp6\x00", "net/udplite\x00", "net/udplite6\x00", "net/unix\x00", "net/wireless\x00", "net/xfrm_stat\x00", "net/ip_vs\x00", "net/ip_vs_stats\x00", "net/ip_vs_stats_percpu\x00"}}},
 	}, Ret: &ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "ret", TypeSize: 4, ArgDir: 1}}},
+	{Name: "syz_open_procfs$namespace", CallName: "syz_open_procfs", Args: []Type{
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "pid", FldName: "pid", TypeSize: 4}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "file", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", IsVarlen: true}, Kind: 2, SubKind: "procfs_namespace_file", Values: []string{"ns/cgroup\x00", "ns/ipc\x00", "ns/mnt\x00", "ns/net\x00", "ns/pid\x00", "ns/user\x00", "ns/uts\x00", "ns/pid_for_children\x00"}}},
+	}, Ret: &ResourceType{TypeCommon: TypeCommon{TypeName: "fd_namespace", FldName: "ret", TypeSize: 4, ArgDir: 1}}},
 	{Name: "syz_open_pts", CallName: "syz_open_pts", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_tty", FldName: "fd", TypeSize: 4}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "open_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{0, 1, 2, 1024, 8192, 524288, 64, 131072, 16384, 128, 65536, 262144, 256, 32768, 2048, 2097152, 1052672, 512, 4194304}},
@@ -24195,7 +24200,7 @@ var syscalls_ppc64le = []*Syscall{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unlinkat_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{0, 512}},
 	}},
 	{NR: 282, Name: "unshare", CallName: "unshare", Args: []Type{
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "clone_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{256, 512, 1024, 2048, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 8388608, 16777216, 33554432, 67108864, 134217728, 268435456, 536870912, 1073741824, 2147483648}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unshare_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{1024, 512, 33554432, 134217728, 1073741824, 131072, 536870912, 268435456, 67108864, 262144, 65536, 2048, 256}},
 	}},
 	{NR: 86, Name: "uselib", CallName: "uselib", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "lib", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
@@ -26113,6 +26118,7 @@ var consts_ppc64le = []ConstValue{
 	{Name: "KCMP_SYSVSEM", Value: 6},
 	{Name: "KCMP_VM", Value: 1},
 	{Name: "KCM_RECV_DISABLE", Value: 1},
+	{Name: "KCOV_DISABLE", Value: 536896357},
 	{Name: "KCOV_ENABLE", Value: 536896356},
 	{Name: "KCOV_INIT_TRACE", Value: 1074291457},
 	{Name: "KCOV_TRACE_CMP", Value: 1},
@@ -28747,4 +28753,4 @@ var consts_ppc64le = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_ppc64le = "6d59aca8cdd36f9b01a0a0b4406b2e88a5eb429d"
+const revision_ppc64le = "3e755423b7aeddd6988e40ec0401d5c67e14e628"
diff --git a/sys/linux/sys.txt b/sys/linux/sys.txt
index 4cc5d7f42..c9785ea77 100644
--- a/sys/linux/sys.txt
+++ b/sys/linux/sys.txt
@@ -146,7 +146,6 @@ munlock(addr vma, size len[addr])
 mlockall(flags flags[mlockall_flags])
 munlockall()
 memfd_create(name ptr[in, string], flags flags[memfd_flags]) fd
-unshare(flags flags[clone_flags])
 kcmp(pid1 pid, pid2 pid, type flags[kcmp_flags], fd1 fd, fd2 fd)
 kcmp$KCMP_EPOLL_TFD(pid1 pid, pid2 pid, type const[KCMP_EPOLL_TFD], fd1 fd, idx2 ptr[in, kcmp_epoll_slot])
 
@@ -366,7 +365,6 @@ ioprio_get$pid(which flags[ioprio_which_pid], who pid)
 ioprio_get$uid(which flags[ioprio_which_uid], who uid)
 ioprio_set$pid(which flags[ioprio_which_pid], who pid, prio intptr)
 ioprio_set$uid(which flags[ioprio_which_uid], who uid, prio intptr)
-setns(fd fd, type flags[ns_type])
 
 resource timerid[int32]
 timer_create(id flags[clock_id], ev ptr[in, sigevent], timerid ptr[out, timerid])
@@ -431,7 +429,7 @@ membarrier(cmd flags[membarrier_cmd], flags const[0])
 
 syz_open_procfs(pid pid, file ptr[in, string[procfs_file]]) fd
 
-procfs_file = "auxv", "cmdline", "environ", "autogroup", "cgroup", "clear_refs", "comm", "coredump_filter", "cpuset", "gid_map", "io", "limits", "loginuid", "maps", "mountinfo", "mounts", "mountstats", "numa_maps", "oom_adj", "oom_score", "oom_score_adj", "pagemap", "personality", "projid_map", "sched", "schedstat", "sessionid", "setgroups", "smaps", "stack", "stat", "statm", "status", "syscall", "timers", "uid_map", "wchan", "map_files", "attr", "attr/current", "attr/exec", "attr/fscreate", "attr/keycreate", "attr/prev", "attr/sockcreate", "ns", "ns/cgroup", "ns/ipc", "ns/mnt", "ns/net", "ns/pid", "ns/user", "ns/uts", "children", "task", "fdinfo", "net", "net/anycast6", "net/arp", "net/bnep", "net/connector", "net/dev", "net/dev_mcast", "net/dev_snmp6", "net/fib_trie", "net/fib_triestat", "net/hci", "net/icmp", "net/icmp6", "net/if_inet6", "net/igmp", "net/igmp6", "net/ip6_flowlabel", "net/ip6_mr_cache", "net/ip6_mr_vif", "net/ip6_tables_matches", "net/ip6_tables_names", "net/ip6_tables_targets", "net/ip_mr_cache", "net/ip_mr_vif", "net/ip_tables_matches", "net/ip_tables_names", "net/ip_tables_targets", "net/ipv6_route", "net/ipx", "net/l2cap", "net/llc", "net/mcfilter", "net/mcfilter6", "net/netfilter", "net/netlink", "net/netstat", "net/nfsfs", "net/packet", "net/protocols", "net/psched", "net/ptype", "net/raw", "net/raw6", "net/rfcomm", "net/route", "net/rpc", "net/rt6_stats", "net/rt_acct", "net/rt_cache", "net/sco", "net/sctp", "net/snmp", "net/snmp6", "net/sockstat", "net/sockstat6", "net/softnet_stat", "net/stat", "net/tcp", "net/tcp6", "net/udp", "net/udp6", "net/udplite", "net/udplite6", "net/unix", "net/wireless", "net/xfrm_stat", "net/ip_vs", "net/ip_vs_stats", "net/ip_vs_stats_percpu"
+procfs_file = "auxv", "cmdline", "environ", "autogroup", "cgroup", "clear_refs", "comm", "coredump_filter", "cpuset", "gid_map", "io", "limits", "loginuid", "maps", "mountinfo", "mounts", "mountstats", "numa_maps", "oom_adj", "oom_score", "oom_score_adj", "pagemap", "personality", "projid_map", "sched", "schedstat", "sessionid", "setgroups", "smaps", "smaps_rollup", "stack", "stat", "statm", "status", "syscall", "timers", "uid_map", "wchan", "map_files", "attr", "attr/current", "attr/exec", "attr/fscreate", "attr/keycreate", "attr/prev", "attr/sockcreate", "ns", "children", "task", "fd", "fd/3", "fd/4", "fdinfo", "fdinfo/3", "fdinfo/4", "net", "net/anycast6", "net/arp", "net/bnep", "net/connector", "net/dev", "net/dev_mcast", "net/dev_snmp6", "net/fib_trie", "net/fib_triestat", "net/hci", "net/icmp", "net/icmp6", "net/if_inet6", "net/igmp", "net/igmp6", "net/ip6_flowlabel", "net/ip6_mr_cache", "net/ip6_mr_vif", "net/ip6_tables_matches", "net/ip6_tables_names", "net/ip6_tables_targets", "net/ip_mr_cache", "net/ip_mr_vif", "net/ip_tables_matches", "net/ip_tables_names", "net/ip_tables_targets", "net/ipv6_route", "net/ipx", "net/l2cap", "net/llc", "net/mcfilter", "net/mcfilter6", "net/netfilter", "net/netlink", "net/netstat", "net/nfsfs", "net/packet", "net/protocols", "net/psched", "net/ptype", "net/raw", "net/raw6", "net/rfcomm", "net/route", "net/rpc", "net/rt6_stats", "net/rt_acct", "net/rt_cache", "net/sco", "net/sctp", "net/snmp", "net/snmp6", "net/sockstat", "net/sockstat6", "net/softnet_stat", "net/stat", "net/tcp", "net/tcp6", "net/udp", "net/udp6", "net/udplite", "net/udplite6", "net/unix", "net/wireless", "net/xfrm_stat", "net/ip_vs", "net/ip_vs_stats", "net/ip_vs_stats_percpu"
 
 # Uncomment on your own account.
 #syz_open_dev$char(dev const[0xc], major intptr, minor intptr) fd
@@ -953,7 +951,6 @@ rlimit_type = RLIMIT_AS, RLIMIT_CORE, RLIMIT_CPU, RLIMIT_DATA, RLIMIT_FSIZE, RLI
 syslog_cmd = SYSLOG_ACTION_CLOSE, SYSLOG_ACTION_OPEN, SYSLOG_ACTION_READ, SYSLOG_ACTION_READ_ALL, SYSLOG_ACTION_READ_CLEAR, SYSLOG_ACTION_CLEAR, SYSLOG_ACTION_CONSOLE_ON, SYSLOG_ACTION_CONSOLE_OFF, SYSLOG_ACTION_SIZE_UNREAD, SYSLOG_ACTION_SIZE_BUFFER
 ioprio_which_pid = IOPRIO_WHO_PROCESS, IOPRIO_WHO_PGRP
 ioprio_which_uid = IOPRIO_WHO_USER
-ns_type = 0, CLONE_NEWIPC, CLONE_NEWNET, CLONE_NEWUTS
 personality_flags = PER_LINUX, PER_SVR4, PER_SVR3, PER_OSR5, PER_WYSEV386, PER_ISCR4, PER_BSD, PER_XENIX, PER_LINUX32, PER_IRIX32, PER_IRIXN32, PER_IRIX64, PER_RISCOS, PER_SOLARIS, PER_UW7, PER_OSF4, PER_HPUX, ADDR_NO_RANDOMIZE, MMAP_PAGE_ZERO, ADDR_COMPAT_LAYOUT, READ_IMPLIES_EXEC, ADDR_LIMIT_32BIT, SHORT_INODE, WHOLE_SECONDS, STICKY_TIMEOUTS, ADDR_LIMIT_3GB
 clock_id = CLOCK_REALTIME, CLOCK_REALTIME_COARSE, CLOCK_MONOTONIC, CLOCK_MONOTONIC_COARSE, CLOCK_MONOTONIC_RAW, CLOCK_BOOTTIME, CLOCK_PROCESS_CPUTIME_ID, CLOCK_THREAD_CPUTIME_ID
 sigprocmask_how = SIG_BLOCK, SIG_UNBLOCK, SIG_SETMASK
diff --git a/sys/linux/sys_386.const b/sys/linux/sys_386.const
index 7c97e5847..b34b42c96 100644
--- a/sys/linux/sys_386.const
+++ b/sys/linux/sys_386.const
@@ -779,7 +779,6 @@ __NR_setfsuid = 138
 __NR_setgid = 46
 __NR_setgroups = 81
 __NR_setitimer = 104
-__NR_setns = 346
 __NR_setpgid = 57
 __NR_setpriority = 97
 __NR_setregid = 71
@@ -820,7 +819,6 @@ __NR_truncate = 92
 __NR_uname = 122
 __NR_unlink = 10
 __NR_unlinkat = 301
-__NR_unshare = 310
 __NR_uselib = 86
 __NR_ustat = 62
 __NR_utime = 30
diff --git a/sys/linux/sys_amd64.const b/sys/linux/sys_amd64.const
index 1bdf8c2b1..4aa200b91 100644
--- a/sys/linux/sys_amd64.const
+++ b/sys/linux/sys_amd64.const
@@ -779,7 +779,6 @@ __NR_setfsuid = 122
 __NR_setgid = 106
 __NR_setgroups = 116
 __NR_setitimer = 38
-__NR_setns = 308
 __NR_setpgid = 109
 __NR_setpriority = 141
 __NR_setregid = 114
@@ -820,7 +819,6 @@ __NR_truncate = 76
 __NR_uname = 63
 __NR_unlink = 87
 __NR_unlinkat = 263
-__NR_unshare = 272
 __NR_uselib = 134
 __NR_ustat = 136
 __NR_utime = 132
diff --git a/sys/linux/sys_arm.const b/sys/linux/sys_arm.const
index 864ee7de9..3fe69cc34 100644
--- a/sys/linux/sys_arm.const
+++ b/sys/linux/sys_arm.const
@@ -779,7 +779,6 @@ __NR_setfsuid = 138
 __NR_setgid = 46
 __NR_setgroups = 81
 __NR_setitimer = 104
-__NR_setns = 375
 __NR_setpgid = 57
 __NR_setpriority = 97
 __NR_setregid = 71
@@ -820,7 +819,6 @@ __NR_truncate = 92
 __NR_uname = 122
 __NR_unlink = 10
 __NR_unlinkat = 328
-__NR_unshare = 337
 __NR_uselib = 86
 __NR_ustat = 62
 # __NR_utime is not set
diff --git a/sys/linux/sys_arm64.const b/sys/linux/sys_arm64.const
index 49287c154..57a4782ed 100644
--- a/sys/linux/sys_arm64.const
+++ b/sys/linux/sys_arm64.const
@@ -779,7 +779,6 @@ __NR_setfsuid = 151
 __NR_setgid = 144
 __NR_setgroups = 159
 __NR_setitimer = 103
-__NR_setns = 268
 __NR_setpgid = 154
 __NR_setpriority = 140
 __NR_setregid = 143
@@ -820,7 +819,6 @@ __NR_truncate = 45
 __NR_uname = 160
 # __NR_unlink is not set
 __NR_unlinkat = 35
-__NR_unshare = 97
 # __NR_uselib is not set
 # __NR_ustat is not set
 # __NR_utime is not set
diff --git a/sys/linux/sys_ppc64le.const b/sys/linux/sys_ppc64le.const
index 90f29e980..6fed787fd 100644
--- a/sys/linux/sys_ppc64le.const
+++ b/sys/linux/sys_ppc64le.const
@@ -779,7 +779,6 @@ __NR_setfsuid = 138
 __NR_setgid = 46
 __NR_setgroups = 81
 __NR_setitimer = 104
-__NR_setns = 350
 __NR_setpgid = 57
 __NR_setpriority = 97
 __NR_setregid = 71
@@ -820,7 +819,6 @@ __NR_truncate = 92
 __NR_uname = 122
 __NR_unlink = 10
 __NR_unlinkat = 292
-__NR_unshare = 282
 __NR_uselib = 86
 __NR_ustat = 62
 __NR_utime = 30