Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in pipe_release / pipe_wait_writable (2) fs | 1 | 526d | 526d | 0/26 | auto-obsoleted due to no activity on 2022/12/15 02:24 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in pipe_release / pipe_wait_writable (2) fs | 1 | 526d | 526d | 0/26 | auto-obsoleted due to no activity on 2022/12/15 02:24 |
================================================================== BUG: KCSAN: data-race in pipe_release / pipe_wait_writable write to 0xffff888135d5936c of 4 bytes by task 5357 on cpu 1: put_pipe_info fs/pipe.c:702 [inline] pipe_release+0x186/0x1e0 fs/pipe.c:732 __fput+0x295/0x520 fs/file_table.c:280 ____fput+0x11/0x20 fs/file_table.c:313 task_work_run+0x8e/0x110 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:175 [inline] exit_to_user_mode_prepare+0x160/0x190 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x20/0x40 kernel/entry/common.c:300 do_syscall_64+0x50/0xd0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff888135d5936c of 4 bytes by task 5363 on cpu 0: pipe_lock_nested fs/pipe.c:80 [inline] pipe_lock fs/pipe.c:89 [inline] pipe_wait_writable+0x1f5/0x240 fs/pipe.c:1052 opipe_prep+0x160/0x200 fs/splice.c:1427 splice_pipe_to_pipe fs/splice.c:1454 [inline] do_splice+0x30e/0xde0 fs/splice.c:1054 __do_splice fs/splice.c:1144 [inline] __do_sys_splice fs/splice.c:1350 [inline] __se_sys_splice+0x2bd/0x3a0 fs/splice.c:1332 __x64_sys_splice+0x74/0x80 fs/splice.c:1332 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x00000002 -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 5363 Comm: syz-executor.0 Not tainted 5.16.0-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/01/19 01:27 | upstream | 99613159ad74 | 731a2d23 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in pipe_release / pipe_wait_writable |