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================================================================== BUG: KCSAN: data-race in do_timer_create / do_timer_create write to 0xffff88812d02e5bc of 4 bytes by task 3235 on cpu 1: do_timer_create+0x386/0xae0 kernel/time/posix-timers.c:516 __se_sys_timer_create kernel/time/posix-timers.c:577 [inline] __x64_sys_timer_create+0xb7/0xe0 kernel/time/posix-timers.c:577 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff88812d02e5bc of 4 bytes by task 3234 on cpu 0: posix_timer_add kernel/time/posix-timers.c:143 [inline] do_timer_create+0x1f2/0xae0 kernel/time/posix-timers.c:516 __se_sys_timer_create kernel/time/posix-timers.c:577 [inline] __x64_sys_timer_create+0xb7/0xe0 kernel/time/posix-timers.c:577 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x00000003 -> 0x00000004 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 3234 Comm: syz-executor.1 Not tainted 5.15.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021/10/31 03:47 | upstream | 119c85055d86 | 098b5d53 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in do_timer_create / do_timer_create | |||
| 2021/10/26 10:31 | upstream | 87066fdd2e30 | c1132b49 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in do_timer_create / do_timer_create |