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-rw-r--r--pkg/csource/akaros_common.go7
-rw-r--r--pkg/csource/freebsd_common.go7
-rw-r--r--pkg/csource/linux_common.go52
-rw-r--r--pkg/csource/netbsd_common.go7
4 files changed, 60 insertions, 13 deletions
diff --git a/pkg/csource/akaros_common.go b/pkg/csource/akaros_common.go
index 5fc46dc29..c0984ed99 100644
--- a/pkg/csource/akaros_common.go
+++ b/pkg/csource/akaros_common.go
@@ -109,9 +109,10 @@ const int kRetryStatus = 69;
const int kErrorStatus = 68;
#endif
-#if defined(SYZ_EXECUTOR) || (defined(SYZ_REPEAT) && defined(SYZ_WAIT_REPEAT)) || \
- defined(SYZ_USE_TMP_DIR) || defined(SYZ_TUN_ENABLE) || defined(SYZ_SANDBOX_NAMESPACE) || \
- defined(SYZ_SANDBOX_NONE) || defined(SYZ_SANDBOX_SETUID) || defined(__NR_syz_kvm_setup_cpu)
+#if defined(SYZ_EXECUTOR) || (defined(SYZ_REPEAT) && defined(SYZ_WAIT_REPEAT)) || \
+ defined(SYZ_USE_TMP_DIR) || defined(SYZ_TUN_ENABLE) || defined(SYZ_SANDBOX_NAMESPACE) || \
+ defined(SYZ_SANDBOX_NONE) || defined(SYZ_SANDBOX_SETUID) || defined(__NR_syz_kvm_setup_cpu) || \
+ defined(__NR_syz_init_net_socket)
NORETURN PRINTF static void fail(const char* msg, ...)
{
int e = errno;
diff --git a/pkg/csource/freebsd_common.go b/pkg/csource/freebsd_common.go
index 8265e7013..1e6597bbc 100644
--- a/pkg/csource/freebsd_common.go
+++ b/pkg/csource/freebsd_common.go
@@ -100,9 +100,10 @@ const int kRetryStatus = 69;
const int kErrorStatus = 68;
#endif
-#if defined(SYZ_EXECUTOR) || (defined(SYZ_REPEAT) && defined(SYZ_WAIT_REPEAT)) || \
- defined(SYZ_USE_TMP_DIR) || defined(SYZ_TUN_ENABLE) || defined(SYZ_SANDBOX_NAMESPACE) || \
- defined(SYZ_SANDBOX_NONE) || defined(SYZ_SANDBOX_SETUID) || defined(__NR_syz_kvm_setup_cpu)
+#if defined(SYZ_EXECUTOR) || (defined(SYZ_REPEAT) && defined(SYZ_WAIT_REPEAT)) || \
+ defined(SYZ_USE_TMP_DIR) || defined(SYZ_TUN_ENABLE) || defined(SYZ_SANDBOX_NAMESPACE) || \
+ defined(SYZ_SANDBOX_NONE) || defined(SYZ_SANDBOX_SETUID) || defined(__NR_syz_kvm_setup_cpu) || \
+ defined(__NR_syz_init_net_socket)
NORETURN PRINTF static void fail(const char* msg, ...)
{
int e = errno;
diff --git a/pkg/csource/linux_common.go b/pkg/csource/linux_common.go
index 5b630e4fe..ee92f9fe5 100644
--- a/pkg/csource/linux_common.go
+++ b/pkg/csource/linux_common.go
@@ -113,11 +113,19 @@ var commonHeaderLinux = `
#include <sys/ioctl.h>
#include <sys/stat.h>
#endif
+#if defined(SYZ_EXECUTOR) || defined(__NR_syz_init_net_socket)
+#include <fcntl.h>
+#include <sched.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#endif
#if defined(SYZ_EXECUTOR) || (defined(SYZ_REPEAT) && defined(SYZ_WAIT_REPEAT)) || \
defined(SYZ_USE_TMP_DIR) || defined(SYZ_HANDLE_SEGV) || defined(SYZ_TUN_ENABLE) || \
defined(SYZ_SANDBOX_NAMESPACE) || defined(SYZ_SANDBOX_SETUID) || \
- defined(SYZ_SANDBOX_NONE) || defined(SYZ_FAULT_INJECTION) || defined(__NR_syz_kvm_setup_cpu)
+ defined(SYZ_SANDBOX_NONE) || defined(SYZ_FAULT_INJECTION) || \
+ defined(__NR_syz_kvm_setup_cpu) || defined(__NR_syz_init_net_socket)
__attribute__((noreturn)) static void doexit(int status)
{
volatile unsigned i;
@@ -193,9 +201,10 @@ const int kRetryStatus = 69;
const int kErrorStatus = 68;
#endif
-#if defined(SYZ_EXECUTOR) || (defined(SYZ_REPEAT) && defined(SYZ_WAIT_REPEAT)) || \
- defined(SYZ_USE_TMP_DIR) || defined(SYZ_TUN_ENABLE) || defined(SYZ_SANDBOX_NAMESPACE) || \
- defined(SYZ_SANDBOX_NONE) || defined(SYZ_SANDBOX_SETUID) || defined(__NR_syz_kvm_setup_cpu)
+#if defined(SYZ_EXECUTOR) || (defined(SYZ_REPEAT) && defined(SYZ_WAIT_REPEAT)) || \
+ defined(SYZ_USE_TMP_DIR) || defined(SYZ_TUN_ENABLE) || defined(SYZ_SANDBOX_NAMESPACE) || \
+ defined(SYZ_SANDBOX_NONE) || defined(SYZ_SANDBOX_SETUID) || defined(__NR_syz_kvm_setup_cpu) || \
+ defined(__NR_syz_init_net_socket)
NORETURN PRINTF static void fail(const char* msg, ...)
{
int e = errno;
@@ -797,6 +806,32 @@ static uintptr_t syz_fuseblk_mount(uintptr_t a0, uintptr_t a1, uintptr_t a2, uin
}
#endif
+#if defined(SYZ_EXECUTOR) || defined(__NR_syz_init_net_socket)
+#if defined(SYZ_EXECUTOR) || defined(SYZ_SANDBOX_NONE) || defined(SYZ_SANDBOX_SETUID) || defined(SYZ_SANDBOX_NAMESPACE)
+const int kInitNetNsFd = 253;
+static uintptr_t syz_init_net_socket(uintptr_t domain, uintptr_t type, uintptr_t proto)
+{
+ int netns = open("/proc/self/ns/net", O_RDONLY);
+ if (netns == -1)
+ return netns;
+ if (setns(kInitNetNsFd, 0))
+ return -1;
+ int sock = syscall(__NR_socket, domain, type, proto);
+ int err = errno;
+ if (setns(netns, 0))
+ fail("setns(netns) failed");
+ close(netns);
+ errno = err;
+ return sock;
+}
+#else
+static uintptr_t syz_init_net_socket(uintptr_t domain, uintptr_t type, uintptr_t proto)
+{
+ return syscall(__NR_socket, domain, type, proto);
+}
+#endif
+#endif
+
#if defined(SYZ_EXECUTOR) || defined(__NR_syz_kvm_setup_cpu)
#if defined(__x86_64__)
@@ -1771,6 +1806,15 @@ static void sandbox_common()
setpgrp();
setsid();
+#if defined(SYZ_EXECUTOR) || defined(__NR_syz_init_net_socket)
+ int netns = open("/proc/self/ns/net", O_RDONLY);
+ if (netns == -1)
+ fail("open(/proc/self/ns/net) failed");
+ if (dup2(netns, kInitNetNsFd) < 0)
+ fail("dup2(netns, kInitNetNsFd) failed");
+ close(netns);
+#endif
+
struct rlimit rlim;
rlim.rlim_cur = rlim.rlim_max = 128 << 20;
setrlimit(RLIMIT_AS, &rlim);
diff --git a/pkg/csource/netbsd_common.go b/pkg/csource/netbsd_common.go
index 9d3885d46..3714f29da 100644
--- a/pkg/csource/netbsd_common.go
+++ b/pkg/csource/netbsd_common.go
@@ -100,9 +100,10 @@ const int kRetryStatus = 69;
const int kErrorStatus = 68;
#endif
-#if defined(SYZ_EXECUTOR) || (defined(SYZ_REPEAT) && defined(SYZ_WAIT_REPEAT)) || \
- defined(SYZ_USE_TMP_DIR) || defined(SYZ_TUN_ENABLE) || defined(SYZ_SANDBOX_NAMESPACE) || \
- defined(SYZ_SANDBOX_NONE) || defined(SYZ_SANDBOX_SETUID) || defined(__NR_syz_kvm_setup_cpu)
+#if defined(SYZ_EXECUTOR) || (defined(SYZ_REPEAT) && defined(SYZ_WAIT_REPEAT)) || \
+ defined(SYZ_USE_TMP_DIR) || defined(SYZ_TUN_ENABLE) || defined(SYZ_SANDBOX_NAMESPACE) || \
+ defined(SYZ_SANDBOX_NONE) || defined(SYZ_SANDBOX_SETUID) || defined(__NR_syz_kvm_setup_cpu) || \
+ defined(__NR_syz_init_net_socket)
NORETURN PRINTF static void fail(const char* msg, ...)
{
int e = errno;
generated by ggit (джигит) mrf-deployment (git 2.46.0) at 2026-03-12 04:56:32 +0000