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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 | 2113d | 2222d | 0/29 | auto-closed as invalid on 2020/05/09 17:19 | |||
| upstream | KCSAN: data-race in snd_rawmidi_kernel_write1 / snd_rawmidi_write (2) sound | 6 | 5 | 2014d | 2041d | 0/29 | closed as invalid on 2020/06/18 14:24 |
================================================================== BUG: KCSAN: data-race in snd_rawmidi_kernel_write1 / snd_rawmidi_write write to 0xffff888100b5e1b8 of 8 bytes by task 12350 on cpu 0: snd_rawmidi_kernel_write1+0x1e1/0x430 sound/core/rawmidi.c:1378 snd_rawmidi_write+0x31b/0x6b0 sound/core/rawmidi.c:1452 __kernel_write+0x12c/0x5a0 fs/read_write.c:528 write_pipe_buf+0x96/0xc0 fs/splice.c:799 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x1f7/0x4f0 fs/splice.c:626 splice_from_pipe fs/splice.c:661 [inline] default_file_splice_write fs/splice.c:811 [inline] do_splice_from fs/splice.c:847 [inline] direct_splice_actor+0xee/0x160 fs/splice.c:1016 splice_direct_to_actor+0x365/0x660 fs/splice.c:971 do_splice_direct+0xf2/0x170 fs/splice.c:1059 do_sendfile+0x562/0xb10 fs/read_write.c:1540 __do_sys_sendfile64 fs/read_write.c:1601 [inline] __se_sys_sendfile64 fs/read_write.c:1587 [inline] __x64_sys_sendfile64+0xf2/0x130 fs/read_write.c:1587 do_syscall_64+0x51/0xb0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff888100b5e1b8 of 8 bytes by task 12348 on cpu 1: snd_rawmidi_write+0x2dd/0x6b0 sound/core/rawmidi.c:1447 __kernel_write+0x12c/0x5a0 fs/read_write.c:528 write_pipe_buf+0x96/0xc0 fs/splice.c:799 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x1f7/0x4f0 fs/splice.c:626 splice_from_pipe fs/splice.c:661 [inline] default_file_splice_write fs/splice.c:811 [inline] do_splice_from fs/splice.c:847 [inline] direct_splice_actor+0xee/0x160 fs/splice.c:1016 splice_direct_to_actor+0x365/0x660 fs/splice.c:971 do_splice_direct+0xf2/0x170 fs/splice.c:1059 do_sendfile+0x562/0xb10 fs/read_write.c:1540 __do_sys_sendfile64 fs/read_write.c:1601 [inline] __se_sys_sendfile64 fs/read_write.c:1587 [inline] __x64_sys_sendfile64+0xf2/0x130 fs/read_write.c:1587 do_syscall_64+0x51/0xb0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 12348 Comm: syz-executor.3 Not tainted 5.8.0-rc5-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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020/07/16 11:30 | upstream | f8456690ba8e | b090c643 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/07/01 05:56 | upstream | 7c30b859a947 | c0383ebe | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/06/29 05:13 | upstream | 9ebcfadb0610 | a2cdad9d | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/06/28 21:30 | upstream | 91a9a90d040e | a2cdad9d | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/06/24 09:07 | upstream | 3e08a95294a4 | bbad15ae | .config | console log | report | ci2-upstream-kcsan-gce |