RHEL 8 系统 panic 并重启，显示 "stack-protector:Kernel stack is corrupted in:"

Issue

• RHEL 8 系统 panic 并重启，显示 "stack-protector:Kernel stack is corrupted in:”

[1432004.335218] Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: perf_trace_task_newtask+0x120/0x120

[1432004.336228] CPU: 5 PID: 4076225 Comm: wdavdaemon Kdump: loaded Tainted: G           O     --------- -  - 4.18.0-513.5.1.el8_9.x86_64 #1
[1432004.336492] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 11/12/2020
[1432004.336744] Call Trace:
[1432004.336999]  dump_stack+0x41/0x60
[1432004.337253]  panic+0xe7/0x2ac
[1432004.337470]  ? perf_trace_task_newtask+0x120/0x120
[1432004.337688]  __stack_chk_fail+0x15/0x20
[1432004.337902]  perf_trace_task_newtask+0x120/0x120
[1432004.338112]  ? copy_process+0x18d1/0x1b50
[1432004.338345]  copy_process+0x18d1/0x1b50
[1432004.338542]  _do_fork+0x8b/0x340
[1432004.338725]  do_syscall_64+0x5b/0x1b0
[1432004.338905]  entry_SYSCALL_64_after_hwframe+0x61/0xc6
[1432004.339094] RIP: 0033:0x7f9b00fb4e65

• 或

 Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: perf_trace_sched_process_fork+0x12a/0x130

 CPU: 1 PID: 1234 Comm: apptask Kdump: loaded Tainted: G                 ---------r-  - 4.18.0-372.26.1.el8_6.x86_64 #1

 Call Trace:
  dump_stack+0x41/0x60
  panic+0xe7/0x2ac
  ? perf_trace_sched_process_fork+0x12a/0x130
  __stack_chk_fail+0x15/0x20
  perf_trace_sched_process_fork+0x12a/0x130
  ? _do_fork+0x16b/0x340
  _do_fork+0x16b/0x340
  ? __audit_syscall_exit+0x24d/0x2b0
  do_syscall_64+0x5b/0x1b0
  entry_SYSCALL_64_after_hwframe+0x61/0xc6

• 由于 per_cpu 阵列 perf_trace_buf 中有 Null 而触发 panic 并重启。