Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in mm_update_next_owner / rescuer_thread kernel | 2 | 1289d | 1304d | 0/26 | auto-closed as invalid on 2020/11/17 16:19 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in mm_update_next_owner / rescuer_thread kernel | 2 | 1289d | 1304d | 0/26 | auto-closed as invalid on 2020/11/17 16:19 |
================================================================== BUG: KCSAN: data-race in mm_update_next_owner / rescuer_thread read-write to 0xffff88803728702c of 4 bytes by task 2063 on cpu 1: set_pf_worker kernel/workqueue.c:2347 [inline] rescuer_thread+0xb97/0xbe0 kernel/workqueue.c:2578 kthread+0x1fd/0x220 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 read to 0xffff88803728702c of 4 bytes by task 2069 on cpu 0: mm_update_next_owner+0x1d9/0x4e0 kernel/exit.c:388 exit_mm+0x327/0x420 kernel/exit.c:500 do_exit+0x41f/0x1690 kernel/exit.c:812 do_group_exit+0x16f/0x170 kernel/exit.c:922 __do_sys_exit_group+0xb/0x10 kernel/exit.c:933 __se_sys_exit_group+0x5/0x10 kernel/exit.c:931 __x64_sys_exit_group+0x16/0x20 kernel/exit.c:931 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 2069 Comm: syz-executor.5 Not tainted 5.11.0-rc1-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/01/03 07:04 | upstream | 3516bd729358 | 79264ae3 | .config | console log | report | info | ci2-upstream-kcsan-gce |