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[syzbot] [fs?] KCSAN: data-race in pipe_poll / pipe_release (7) | 0 (1) | 2024/08/16 09:46 |
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[syzbot] [fs?] KCSAN: data-race in pipe_poll / pipe_release (7) | 0 (1) | 2024/08/16 09:46 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in pipe_poll / pipe_release (5) fs | 1 | 134d | 134d | 0/27 | auto-obsoleted due to no activity on 2024/06/05 09:41 | |||
upstream | KCSAN: data-race in pipe_poll / pipe_release (2) fs | 1 | 1366d | 1366d | 0/27 | auto-closed as invalid on 2021/01/19 18:58 | |||
upstream | KCSAN: data-race in pipe_poll / pipe_release (6) fs | 1 | 62d | 62d | 0/27 | auto-obsoleted due to no activity on 2024/08/15 20:31 | |||
upstream | KCSAN: data-race in pipe_poll / pipe_release (3) fs | 1 | 930d | 930d | 0/27 | auto-closed as invalid on 2022/04/01 01:04 | |||
upstream | KCSAN: data-race in pipe_poll / pipe_release (4) fs | 1 | 189d | 189d | 0/27 | auto-obsoleted due to no activity on 2024/04/10 23:01 | |||
upstream | KCSAN: data-race in pipe_poll / pipe_release fs | 3 | 1697d | 1763d | 0/27 | auto-closed as invalid on 2020/03/30 06:30 |
================================================================== BUG: KCSAN: data-race in pipe_poll / pipe_release write to 0xffff888111d4fc68 of 4 bytes by task 12262 on cpu 1: pipe_release+0xb3/0x1c0 fs/pipe.c:731 __fput+0x192/0x6f0 fs/file_table.c:422 ____fput+0x15/0x20 fs/file_table.c:450 task_work_run+0x13a/0x1a0 kernel/task_work.c:228 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x5dd/0x1720 kernel/exit.c:882 do_group_exit+0x142/0x150 kernel/exit.c:1031 __do_sys_exit_group kernel/exit.c:1042 [inline] __se_sys_exit_group kernel/exit.c:1040 [inline] __x64_sys_exit_group+0x1f/0x20 kernel/exit.c:1040 x64_sys_call+0x2d5d/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff888111d4fc68 of 4 bytes by task 3249 on cpu 0: pipe_poll+0x17d/0x260 fs/pipe.c:689 vfs_poll include/linux/poll.h:84 [inline] do_select+0x959/0xfa0 fs/select.c:538 core_sys_select+0x362/0x530 fs/select.c:681 do_pselect fs/select.c:763 [inline] __do_sys_pselect6 fs/select.c:804 [inline] __se_sys_pselect6+0x213/0x280 fs/select.c:795 __x64_sys_pselect6+0x78/0x90 fs/select.c:795 x64_sys_call+0x26f7/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:271 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x00000001 -> 0x00000000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 3249 Comm: syz-executor Not tainted 6.11.0-rc3-syzkaller-00066-g1fb918967b56 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/08/16 00:07 | upstream | 1fb918967b56 | e4bacdaf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in pipe_poll / pipe_release |