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================================================================== BUG: KCSAN: data-race in __se_sys_perf_event_open / find_get_context write to 0xffff888237c2d520 of 4 bytes by task 4144 on cpu 0: find_get_context+0x310/0x5c0 kernel/events/core.c:4612 __do_sys_perf_event_open kernel/events/core.c:12085 [inline] __se_sys_perf_event_open+0x85e/0x2740 kernel/events/core.c:11921 __x64_sys_perf_event_open+0x63/0x70 kernel/events/core.c:11921 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff888237c2d520 of 4 bytes by task 4145 on cpu 1: perf_unpin_context kernel/events/core.c:1520 [inline] __do_sys_perf_event_open kernel/events/core.c:12316 [inline] __se_sys_perf_event_open+0x1be2/0x2740 kernel/events/core.c:11921 __x64_sys_perf_event_open+0x63/0x70 kernel/events/core.c:11921 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x00000001 -> 0x00000002 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 4145 Comm: syz-executor.4 Not tainted 5.13.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2021/06/07 23:07 | upstream | 614124bea77e | b718257f | .config | console log | report | info | KCSAN: data-race in __se_sys_perf_event_open / find_get_context | |||
ci2-upstream-kcsan-gce | 2021/05/24 18:58 | upstream | c4681547bcce | 3c7fef33 | .config | console log | report | info | KCSAN: data-race in __se_sys_perf_event_open / find_get_context | |||
ci2-upstream-kcsan-gce | 2021/05/22 11:41 | upstream | 45af60e7ced0 | 3c7fef33 | .config | console log | report | info | KCSAN: data-race in __se_sys_perf_event_open / find_get_context | |||
ci2-upstream-kcsan-gce | 2021/05/20 03:55 | upstream | c3d0e3fd41b7 | a343ba6b | .config | console log | report | info | KCSAN: data-race in __se_sys_perf_event_open / find_get_context | |||
ci2-upstream-kcsan-gce | 2021/05/15 01:33 | upstream | bd3c9cdb21a2 | 8bdd5343 | .config | console log | report | info | KCSAN: data-race in __se_sys_perf_event_open / find_get_context | |||
ci2-upstream-kcsan-gce | 2021/05/08 16:28 | upstream | dd860052c99b | bc5434be | .config | console log | report | info | KCSAN: data-race in __se_sys_perf_event_open / find_get_context | |||
ci2-upstream-kcsan-gce | 2021/04/29 15:42 | upstream | d72cd4ad4174 | 77e2b668 | .config | console log | report | info | KCSAN: data-race in __se_sys_perf_event_open / find_get_context |