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🐞 Open [995] 🐞 Fixed [3922] 🐞 Invalid [8498] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __blk_mq_sched_dispatch_requests / blk_mq_do_dispatch_sched (5) | 1 | 199d | 199d | 0/23 | auto-closed as invalid on 2022/03/01 13:18 | |||
upstream | KCSAN: data-race in __blk_mq_sched_dispatch_requests / blk_mq_do_dispatch_sched (2) | 8 | 671d | 742d | 0/23 | auto-closed as invalid on 2020/11/14 12:11 | |||
upstream | KCSAN: data-race in __blk_mq_sched_dispatch_requests / blk_mq_do_dispatch_sched (6) | 3 | 122d | 163d | 0/23 | auto-closed as invalid on 2022/05/17 13:43 | |||
upstream | KCSAN: data-race in __blk_mq_sched_dispatch_requests / blk_mq_do_dispatch_sched (4) | 9 | 285d | 400d | 0/23 | auto-closed as invalid on 2021/12/05 20:22 | |||
upstream | KCSAN: data-race in __blk_mq_sched_dispatch_requests / blk_mq_do_dispatch_sched (3) | 28 | 438d | 613d | 0/23 | auto-closed as invalid on 2021/07/05 21:10 |
================================================================== BUG: KCSAN: data-race in __blk_mq_sched_dispatch_requests / blk_mq_do_dispatch_sched write to 0xffff888129633810 of 8 bytes by task 3222 on cpu 1: INIT_LIST_HEAD include/linux/list.h:36 [inline] list_splice_init include/linux/list.h:465 [inline] __blk_mq_sched_dispatch_requests+0x179/0x2a0 block/blk-mq-sched.c:224 blk_mq_sched_dispatch_requests+0x7c/0xe0 block/blk-mq-sched.c:276 __blk_mq_run_hw_queue+0xee/0x1c0 block/blk-mq.c:1418 __blk_mq_delay_run_hw_queue+0x188/0x330 block/blk-mq.c:1495 blk_mq_run_hw_queue+0x21c/0x240 block/blk-mq.c:1548 blk_mq_run_hw_queues block/blk-mq.c:1566 [inline] blk_mq_requeue_work+0x43f/0x490 block/blk-mq.c:774 process_one_work+0x3cb/0x990 kernel/workqueue.c:2269 worker_thread+0x665/0xbe0 kernel/workqueue.c:2415 kthread+0x210/0x220 kernel/kthread.c:291 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 read to 0xffff888129633810 of 8 bytes by task 3221 on cpu 0: list_empty_careful include/linux/list.h:301 [inline] blk_mq_do_dispatch_sched+0xe4/0x2b0 block/blk-mq-sched.c:106 __blk_mq_sched_dispatch_requests+0x1ff/0x2a0 block/blk-mq-sched.c:245 blk_mq_sched_dispatch_requests+0x7c/0xe0 block/blk-mq-sched.c:276 __blk_mq_run_hw_queue+0xee/0x1c0 block/blk-mq.c:1418 blk_mq_run_work_fn+0x30/0x40 block/blk-mq.c:1696 process_one_work+0x3cb/0x990 kernel/workqueue.c:2269 worker_thread+0x665/0xbe0 kernel/workqueue.c:2415 kthread+0x210/0x220 kernel/kthread.c:291 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 3221 Comm: kworker/0:1H Not tainted 5.8.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: kblockd blk_mq_run_work_fn ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Title |
---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2020/06/25 00:39 | upstream | 26e122e97a3d | 9d60b18e | .config | log | report | ||||
ci2-upstream-kcsan-gce | 2020/06/19 21:22 | upstream | 672f9255a727 | 123cf502 | .config | log | report |