Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __blk_mq_free_request / bt_for_each block | 1 | 1141d | 1141d | 0/26 | auto-closed as invalid on 2021/04/16 10:35 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __blk_mq_free_request / bt_for_each block | 1 | 1141d | 1141d | 0/26 | auto-closed as invalid on 2021/04/16 10:35 |
================================================================== BUG: KCSAN: data-race in __blk_mq_free_request / bt_for_each write to 0xffff888101b34ed0 of 8 bytes by interrupt on cpu 1: __blk_mq_free_request+0xcd/0x180 block/blk-mq.c:498 blk_mq_free_request+0x2c8/0x330 block/blk-mq.c:534 __blk_mq_end_request+0x214/0x230 block/blk-mq.c:558 blk_mq_end_request+0x37/0x50 block/blk-mq.c:567 lo_complete_rq+0xca/0x170 drivers/block/loop.c:498 blk_complete_reqs block/blk-mq.c:577 [inline] blk_done_softirq+0x69/0x90 block/blk-mq.c:582 __do_softirq+0x12c/0x275 kernel/softirq.c:559 run_ksoftirqd+0x13/0x20 kernel/softirq.c:921 smpboot_thread_fn+0x2a1/0x3f0 kernel/smpboot.c:165 kthread+0x1d0/0x1f0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 read to 0xffff888101b34ed0 of 8 bytes by task 702 on cpu 0: bt_iter block/blk-mq-tag.c:218 [inline] __sbitmap_for_each_set include/linux/sbitmap.h:263 [inline] sbitmap_for_each_set include/linux/sbitmap.h:284 [inline] bt_for_each+0x229/0x320 block/blk-mq-tag.c:247 blk_mq_queue_tag_busy_iter+0x19f/0x290 block/blk-mq-tag.c:436 blk_mq_timeout_work+0x99/0x2d0 block/blk-mq.c:977 process_one_work+0x3e9/0x8f0 kernel/workqueue.c:2276 worker_thread+0x636/0xae0 kernel/workqueue.c:2422 kthread+0x1d0/0x1f0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 value changed: 0xffff888100dc7800 -> 0x0000000000000000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 702 Comm: kworker/0:1H Not tainted 5.13.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: kblockd blk_mq_timeout_work ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/06/26 01:02 | upstream | 44db63d1ad8d | ae6bf8dd | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in __blk_mq_free_request / bt_for_each | |||
2021/06/14 06:00 | upstream | e4e453434a19 | 1ba81399 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in __blk_mq_free_request / bt_for_each | |||
2021/06/01 14:30 | upstream | c2131f7e73c9 | 032639db | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in __blk_mq_free_request / bt_for_each | |||
2021/05/31 16:55 | upstream | 8124c8a6b353 | 032639db | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in __blk_mq_free_request / bt_for_each |