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| 🐞 Open [984] ≡ Subsystems 🐞 Fixed [5216] 🐞 Invalid [12474] ⬇ Missing Backports [82] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes | 💬 Send us feedback |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | KCSAN: data-race in snd_seq_oss_readq_put_timestamp / snd_seq_oss_readq_put_timestamp sound | 1 | 1462d | 1462d | 0/26 | auto-closed as invalid on 2020/06/18 13:13 | |||
| upstream | KCSAN: data-race in snd_seq_oss_readq_put_timestamp / snd_seq_oss_readq_put_timestamp (2) sound | 5 | 1304d | 1361d | 0/26 | auto-closed as invalid on 2020/10/27 20:18 |
================================================================== BUG: KCSAN: data-race in snd_seq_oss_readq_put_timestamp / snd_seq_oss_readq_put_timestamp write to 0xffff88812314fd20 of 8 bytes by task 2012 on cpu 1: snd_seq_oss_readq_put_timestamp+0x2a0/0x2c0 sound/core/seq/oss/seq_oss_readq.c:233 send_midi_event sound/core/seq/oss/seq_oss_midi.c:600 [inline] snd_seq_oss_midi_input+0x29f/0x500 sound/core/seq/oss/seq_oss_midi.c:524 snd_seq_oss_event_input+0xbc/0x100 sound/core/seq/oss/seq_oss_event.c:429 snd_seq_deliver_single_event+0x31e/0x4f0 sound/core/seq/seq_clientmgr.c:637 deliver_to_subscribers sound/core/seq/seq_clientmgr.c:692 [inline] snd_seq_deliver_event+0x38d/0x4a0 sound/core/seq/seq_clientmgr.c:827 snd_seq_kernel_client_dispatch+0x16f/0x190 sound/core/seq/seq_clientmgr.c:2322 snd_vmidi_output_work+0x16d/0x200 sound/core/seq/seq_virmidi.c:150 process_one_work+0x3e1/0x950 kernel/workqueue.c:2275 worker_thread+0x616/0xa70 kernel/workqueue.c:2421 kthread+0x20b/0x230 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 read to 0xffff88812314fd20 of 8 bytes by task 2918 on cpu 0: snd_seq_oss_readq_put_timestamp+0x28/0x2c0 sound/core/seq/oss/seq_oss_readq.c:218 send_midi_event sound/core/seq/oss/seq_oss_midi.c:600 [inline] snd_seq_oss_midi_input+0x29f/0x500 sound/core/seq/oss/seq_oss_midi.c:524 snd_seq_oss_event_input+0xbc/0x100 sound/core/seq/oss/seq_oss_event.c:429 snd_seq_deliver_single_event+0x31e/0x4f0 sound/core/seq/seq_clientmgr.c:637 deliver_to_subscribers sound/core/seq/seq_clientmgr.c:692 [inline] snd_seq_deliver_event+0x38d/0x4a0 sound/core/seq/seq_clientmgr.c:827 snd_seq_kernel_client_dispatch+0x16f/0x190 sound/core/seq/seq_clientmgr.c:2322 snd_vmidi_output_work+0x16d/0x200 sound/core/seq/seq_virmidi.c:150 process_one_work+0x3e1/0x950 kernel/workqueue.c:2275 worker_thread+0x616/0xa70 kernel/workqueue.c:2421 kthread+0x20b/0x230 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 2918 Comm: kworker/0:1H Tainted: G W 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_highpri snd_vmidi_output_work ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021/04/07 01:10 | upstream | 2d743660786e | 6a81331a | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in snd_seq_oss_readq_put_timestamp / snd_seq_oss_readq_put_timestamp | |||
| 2021/03/26 02:01 | upstream | 002322402daf | 6a383ecf | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in snd_seq_oss_readq_put_timestamp / snd_seq_oss_readq_put_timestamp | |||
| 2021/02/19 21:10 | upstream | f40ddce88593 | f689d40a | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in snd_seq_oss_readq_put_timestamp / snd_seq_oss_readq_put_timestamp | |||
| 2021/02/12 06:12 | upstream | 291009f656e8 | a5f86b15 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in snd_seq_oss_readq_put_timestamp / snd_seq_oss_readq_put_timestamp | |||
| 2021/02/08 15:26 | upstream | 92bf22614b21 | 2ce644fc | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in snd_seq_oss_readq_put_timestamp / snd_seq_oss_readq_put_timestamp | |||
| 2021/02/06 16:26 | upstream | 1e0d27fce010 | 0655e081 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in snd_seq_oss_readq_put_timestamp / snd_seq_oss_readq_put_timestamp | |||
| 2021/01/09 03:32 | upstream | 6279d812eab6 | c104d4a3 | .config | console log | report | info | ci2-upstream-kcsan-gce |