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| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | KCSAN: data-race in snd_rawmidi_kernel_write1 / snd_rawmidi_write sound | 6 | 16 | 2008d | 2117d | 0/29 | auto-closed as invalid on 2020/05/09 17:19 | |||
| upstream | KCSAN: data-race in snd_rawmidi_kernel_write1 / snd_rawmidi_write (3) sound | 6 | 5 | 1870d | 1892d | 0/29 | auto-closed as invalid on 2020/08/20 11:35 |
================================================================== BUG: KCSAN: data-race in snd_rawmidi_kernel_write1 / snd_rawmidi_write write to 0xffff88809c1dd1b8 of 8 bytes by task 24265 on cpu 0: snd_rawmidi_kernel_write1+0x1d6/0x420 sound/core/rawmidi.c:1356 snd_rawmidi_write+0x1bc/0x730 sound/core/rawmidi.c:1429 __vfs_write+0x58/0xb0 fs/read_write.c:495 __kernel_write+0xb0/0x230 fs/read_write.c:516 write_pipe_buf+0xad/0xe0 fs/splice.c:809 splice_from_pipe_feed fs/splice.c:512 [inline] __splice_from_pipe+0x298/0x4a0 fs/splice.c:636 splice_from_pipe+0xc2/0x100 fs/splice.c:671 default_file_splice_write+0x41/0x90 fs/splice.c:821 do_splice_from fs/splice.c:863 [inline] direct_splice_actor+0x97/0xb0 fs/splice.c:1037 splice_direct_to_actor+0x22f/0x540 fs/splice.c:992 do_splice_direct+0x152/0x1d0 fs/splice.c:1080 do_sendfile+0x380/0x800 fs/read_write.c:1521 __do_sys_sendfile64 fs/read_write.c:1582 [inline] __se_sys_sendfile64 fs/read_write.c:1568 [inline] __x64_sys_sendfile64+0x121/0x140 fs/read_write.c:1568 do_syscall_64+0xc7/0x3b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88809c1dd1b8 of 8 bytes by task 24274 on cpu 1: snd_rawmidi_write+0x5c7/0x730 sound/core/rawmidi.c:1424 __vfs_write+0x58/0xb0 fs/read_write.c:495 __kernel_write+0xb0/0x230 fs/read_write.c:516 write_pipe_buf+0xad/0xe0 fs/splice.c:809 splice_from_pipe_feed fs/splice.c:512 [inline] __splice_from_pipe+0x298/0x4a0 fs/splice.c:636 splice_from_pipe+0xc2/0x100 fs/splice.c:671 default_file_splice_write+0x41/0x90 fs/splice.c:821 do_splice_from fs/splice.c:863 [inline] direct_splice_actor+0x97/0xb0 fs/splice.c:1037 splice_direct_to_actor+0x22f/0x540 fs/splice.c:992 do_splice_direct+0x152/0x1d0 fs/splice.c:1080 do_sendfile+0x380/0x800 fs/read_write.c:1521 __do_sys_sendfile64 fs/read_write.c:1582 [inline] __se_sys_sendfile64 fs/read_write.c:1568 [inline] __x64_sys_sendfile64+0x121/0x140 fs/read_write.c:1568 do_syscall_64+0xc7/0x3b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 24274 Comm: syz-executor.0 Not tainted 5.7.0-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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020/06/07 05:29 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | e6b89e4e | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/06/04 13:13 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | 6720fdef | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/05/31 08:50 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | a0331e89 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/05/26 01:28 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | 8ca3b7d2 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/05/11 20:21 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | 9eb09c40 | .config | console log | report | ci2-upstream-kcsan-gce |