syzbot


KCSAN: data-race in __se_sys_perf_event_open / find_get_context
Status: moderation: reported on 2021/05/27 11:10
Reported-by: syzbot+c611b5beb8dec04ff9b2@syzkaller.appspotmail.com
Fix commit: 6c605f837115 perf: Fix data race between pin_count increment/decrement
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu2-arm32]
First crash: 85d, last: 45d

Sample crash report:

Crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-upstream-kcsan-gce 2021/06/07 23:07 upstream 614124bea77e b718257f .config 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 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 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 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 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 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 log report info KCSAN: data-race in __se_sys_perf_event_open / find_get_context