Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in kcompactd / mm_update_next_owner mm | 1 | 1342d | 1342d | 0/26 | auto-closed as invalid on 2020/10/05 21:28 |
syzbot |
sign-in | mailing list | source | docs |
🐞 Open [1027] ≡ Subsystems 🐞 Fixed [5251] 🐞 Invalid [12571] ⬇ Missing Backports [86] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes | 💬 Send us feedback |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in kcompactd / mm_update_next_owner mm | 1 | 1342d | 1342d | 0/26 | auto-closed as invalid on 2020/10/05 21:28 |
================================================================== BUG: KCSAN: data-race in kcompactd / mm_update_next_owner read-write to 0xffff8881018a3024 of 4 bytes by task 1656 on cpu 1: freezer_do_not_count include/linux/freezer.h:109 [inline] freezable_schedule_timeout include/linux/freezer.h:191 [inline] kcompactd+0x366/0xde0 mm/compaction.c:2818 kthread+0x1fd/0x220 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 read to 0xffff8881018a3024 of 4 bytes by task 12599 on cpu 0: mm_update_next_owner+0x1d9/0x4e0 kernel/exit.c:387 exit_mm+0x2ff/0x370 kernel/exit.c:485 do_exit+0x3c8/0x1630 kernel/exit.c:796 do_group_exit+0xc8/0x170 kernel/exit.c:906 get_signal+0xf9b/0x1510 kernel/signal.c:2758 arch_do_signal+0x25/0x260 arch/x86/kernel/signal.c:811 exit_to_user_mode_loop kernel/entry/common.c:161 [inline] exit_to_user_mode_prepare+0xde/0x170 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x16/0x30 kernel/entry/common.c:266 do_syscall_64+0x45/0x80 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 12599 Comm: syz-executor.3 Not tainted 5.10.0-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/12/09 07:04 | upstream | 7d8761ba27fc | 40cc414d | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/12/01 17:40 | upstream | b65054597872 | 07bfe8a5 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/22 14:55 | upstream | a349e4c65960 | 0d27f508 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/10/24 05:57 | upstream | 0adc313c4f20 | 2bb6666c | .config | console log | report | info | ci2-upstream-kcsan-gce |