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| 🐞 Open [1027] ≡ Subsystems 🐞 Fixed [5251] 🐞 Invalid [12571] ⬇ Missing Backports [86] 📈 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 | 1478d | 1478d | 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 (3) sound | 7 | 1124d | 1212d | 0/26 | auto-closed as invalid on 2021/05/17 09:01 |
================================================================== BUG: KCSAN: data-race in snd_seq_oss_readq_put_timestamp / snd_seq_oss_readq_put_timestamp write to 0xffff88811ec5a0a0 of 8 bytes by task 3257 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+0x31b/0x4f0 sound/core/seq/seq_clientmgr.c:638 deliver_to_subscribers sound/core/seq/seq_clientmgr.c:693 [inline] snd_seq_deliver_event+0x392/0x4a0 sound/core/seq/seq_clientmgr.c:828 snd_seq_kernel_client_dispatch+0x16f/0x190 sound/core/seq/seq_clientmgr.c:2323 snd_vmidi_output_work+0x16d/0x200 sound/core/seq/seq_virmidi.c:150 process_one_work+0x3e1/0x9a0 kernel/workqueue.c:2269 worker_thread+0x665/0xbe0 kernel/workqueue.c:2415 kthread+0x20d/0x230 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 read to 0xffff88811ec5a0a0 of 8 bytes by task 3256 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+0x31b/0x4f0 sound/core/seq/seq_clientmgr.c:638 deliver_to_subscribers sound/core/seq/seq_clientmgr.c:693 [inline] snd_seq_deliver_event+0x392/0x4a0 sound/core/seq/seq_clientmgr.c:828 snd_seq_kernel_client_dispatch+0x16f/0x190 sound/core/seq/seq_clientmgr.c:2323 snd_vmidi_output_work+0x16d/0x200 sound/core/seq/seq_virmidi.c:150 process_one_work+0x3e1/0x9a0 kernel/workqueue.c:2269 worker_thread+0x665/0xbe0 kernel/workqueue.c:2415 kthread+0x20d/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: 3256 Comm: kworker/0:1H Not tainted 5.9.0-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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020/09/22 20:18 | upstream | eff48ddeab78 | 3e8f6c27 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
| 2020/09/17 14:42 | upstream | 5925fa68fe82 | 8247808b | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
| 2020/09/07 21:20 | upstream | f4d51dffc6c0 | abf9ba4f | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/08/16 18:29 | upstream | 4b6c093e21d3 | 5ce13532 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/07/28 05:21 | upstream | 92ed30191993 | cb93dc6a | .config | console log | report | ci2-upstream-kcsan-gce |