diff options
| author | Aleksandr Nogikh <nogikh@google.com> | 2023-02-09 15:13:02 +0100 |
|---|---|---|
| committer | Aleksandr Nogikh <wp32pw@gmail.com> | 2023-02-10 12:38:03 +0100 |
| commit | e29a17f507c26c0b9e50ceadad1f7643063809a1 (patch) | |
| tree | f212ec78d513a03a118a675d3061584b0ba34d2d /pkg/report/testdata/linux | |
| parent | 07980f9d1d998541bd3e9d122ff8da29458bbef2 (diff) | |
pkg/report: improve rcu stall parsing on arm64
Diffstat (limited to 'pkg/report/testdata/linux')
| -rw-r--r-- | pkg/report/testdata/linux/report/688 | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/pkg/report/testdata/linux/report/688 b/pkg/report/testdata/linux/report/688 new file mode 100644 index 000000000..2feb97add --- /dev/null +++ b/pkg/report/testdata/linux/report/688 @@ -0,0 +1,72 @@ +TITLE: INFO: rcu detected stall in sys_recvmmsg +ALT: stall in sys_recvmmsg +TYPE: HANG + + +[ 8.040784][ T1208] 8021q: adding VLAN 0 to HW filter on device bond0 +[ 8.065392][ T350] gvnic 0000:00:00.0 eth0: Device link is up. +[ 8.067296][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready +Starting sshd: OK + +syzkaller +Warning: Permanently added '10.10.0.53' (ECDSA) to the list of known hosts. +syzkaller login: [ 417.725670][ C1] rcu: INFO: rcu_sched self-detected stall on CPU +[ 417.727544][ C1] rcu: 1-...!: (10499 ticks this GP) idle=9f9/1/0x4000000000000002 softirq=2116/2117 fqs=0 +[ 417.730327][ C1] (t=10500 jiffies g=989 q=72) +[ 417.731616][ C1] rcu: rcu_sched kthread starved for 10500 jiffies! g989 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 +[ 417.734458][ C1] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. +[ 417.737083][ C1] rcu: RCU grace-period kthread stack dump: +[ 417.738658][ C1] task:rcu_sched state:R running task on cpu 0 stack: 0 pid: 13 ppid: 2 flags:0x00000008 +[ 417.741712][ C1] Call trace: +[ 417.742580][ C1] __switch_to+0x123/0x123 +[ 417.743759][ C1] __schedule+0x123/0x123 +[ 417.744891][ C1] schedule+0x123/0x123 +[ 417.745979][ C1] schedule_timeout+0x123/0x123 +[ 417.747210][ C1] rcu_gp_fqs_loop+0x123/0x123 +[ 417.748498][ C1] rcu_gp_kthread+0x123/0x123 +[ 417.749712][ C1] kthread+0x123/0x123 +[ 417.750767][ C1] ret_from_fork+0x123/0x123 +[ 417.751954][ C1] rcu: Stack dump where RCU GP kthread last ran: +[ 417.753610][ C1] Task dump for CPU 0: +[ 417.754667][ C1] task:syz-executor913 state:R running task on cpu 0 stack: 0 pid: 1432 ppid: 1414 flags:0x00000002 +[ 417.757734][ C1] Call trace: +[ 417.758593][ C1] __switch_to+0x123/0x123 +[ 417.759750][ C1] 0x202 +[ 417.760503][ C1] Task dump for CPU 1: +[ 417.761565][ C1] task:syz-executor913 state:R running task on cpu 1 stack: 0 pid: 1429 ppid: 1407 flags:0x00000002 +[ 417.764661][ C1] Call trace: +[ 417.765509][ C1] walk_stackframe+0x123/0x123 +[ 417.766717][ C1] show_stack+0x123/0x123 +[ 417.767848][ C1] _sched_show_task+0x123/0x123 +[ 417.769129][ C1] dump_cpu_task+0x123/0x123 +[ 417.770301][ C1] rcu_dump_cpu_stacks+0x123/0x123 +[ 417.771650][ C1] print_cpu_stall+0x123/0x123 +[ 417.772896][ C1] check_cpu_stall+0x123/0x123 +[ 417.774184][ C1] rcu_sched_clock_irq+0x123/0x123 +[ 417.775546][ C1] update_process_times+0x123/0x123 +[ 417.776929][ C1] tick_sched_timer+0x123/0x123 +[ 417.778212][ C1] __hrtimer_run_queues+0x123/0x123 +[ 417.779598][ C1] hrtimer_interrupt+0x123/0x123 +[ 417.780909][ C1] arch_timer_handler_virt+0x123/0x123 +[ 417.782290][ C1] handle_percpu_devid_irq+0x123/0x123 +[ 417.783736][ C1] handle_domain_irq+0x123/0x123 +[ 417.785016][ C1] gic_handle_irq+0x123/0x123 +[ 417.786222][ C1] call_on_irq_stack+0x123/0x123 +[ 417.787489][ C1] do_interrupt_handler+0x123/0x123 +[ 417.788820][ C1] el1_interrupt+0x123/0x123 +[ 417.789988][ C1] el1h_64_irq_handler+0x123/0x123 +[ 417.791312][ C1] el1h_64_irq+0x123/0x123 +[ 417.792422][ C1] lock_acquire+0x123/0x123 +[ 417.793620][ C1] _raw_spin_lock_bh+0x123/0x123 +[ 417.794925][ C1] sk_msg_recvmsg+0x123/0x123 +[ 417.796127][ C1] tcp_bpf_recvmsg_parser+0x123/0x123 +[ 417.797490][ C1] inet_recvmsg+0x123/0x123 +[ 417.798695][ C1] ____sys_recvmsg+0x123/0x123 +[ 417.799947][ C1] do_recvmmsg+0x123/0x123 +[ 417.801142][ C1] __arm64_sys_recvmmsg+0x123/0x123 +[ 417.802546][ C1] invoke_syscall+0x123/0x123 +[ 417.803758][ C1] el0_svc_common+0x123/0x123 +[ 417.804977][ C1] do_el0_svc+0x123/0x123 +[ 417.806112][ C1] el0_svc+0x123/0x123 +[ 417.807175][ C1] el0t_64_sync_handler+0x123/0x123 +[ 417.808519][ C1] el0t_64_sync+0x123/0x123 |