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🐞 Open [986] 🐞 Fixed [3919] 🐞 Invalid [8496] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in attach_to_pi_owner / futex_wait_queue_me (4) | 3 | 747d | 778d | 0/23 | auto-closed as invalid on 2020/08/28 22:57 | |||
upstream | KCSAN: data-race in attach_to_pi_owner / futex_wait_queue_me | 1 | 1007d | 1007d | 0/23 | closed as invalid on 2019/11/19 13:54 | |||
upstream | KCSAN: data-race in attach_to_pi_owner / futex_wait_queue_me (3) | 3 | 847d | 906d | 0/23 | auto-closed as invalid on 2020/06/18 14:03 | |||
upstream | KCSAN: data-race in attach_to_pi_owner / futex_wait_queue_me (5) | 1 | 655d | 655d | 0/23 | auto-closed as invalid on 2020/11/28 10:56 | |||
upstream | KCSAN: data-race in attach_to_pi_owner / futex_wait_queue_me (6) | 1 | 601d | 601d | 0/23 | auto-closed as invalid on 2021/01/21 10:32 | |||
upstream | KCSAN: data-race in attach_to_pi_owner / futex_wait_queue_me (7) | 1 | 460d | 460d | 0/23 | auto-closed as invalid on 2021/06/11 04:30 |
================================================================== BUG: KCSAN: data-race in attach_to_pi_owner / futex_wait_queue_me write to 0xffff8881023a60a4 of 4 bytes by task 28035 on cpu 0: freezer_count include/linux/freezer.h:121 [inline] freezable_schedule include/linux/freezer.h:173 [inline] futex_wait_queue_me+0x1a2/0x290 kernel/futex.c:2627 futex_wait_requeue_pi.constprop.0+0x2d0/0xa10 kernel/futex.c:3265 do_futex+0x1cc/0x18d0 kernel/futex.c:3664 __do_sys_futex kernel/futex.c:3705 [inline] __se_sys_futex kernel/futex.c:3673 [inline] __x64_sys_futex+0x2cd/0x3f0 kernel/futex.c:3673 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff8881023a60a4 of 4 bytes by task 28038 on cpu 1: attach_to_pi_owner+0x83/0x420 kernel/futex.c:1250 lookup_pi_state kernel/futex.c:1325 [inline] futex_requeue+0xfb9/0x12d0 kernel/futex.c:2069 do_futex+0x2f7/0x18d0 kernel/futex.c:3667 __do_sys_futex kernel/futex.c:3705 [inline] __se_sys_futex kernel/futex.c:3673 [inline] __x64_sys_futex+0x2cd/0x3f0 kernel/futex.c:3673 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 28038 Comm: syz-executor.5 Not tainted 5.4.0-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 | Title |
---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2019/12/06 17:44 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | 85f26751 | .config | log | report | ||||
ci2-upstream-kcsan-gce | 2019/12/05 12:50 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | 9fd5a512 | .config | log | report |