syzbot


block subsystem


List(s): linux-block@vger.kernel.org
Fixed bugs: 114
Parent subsystem(s): kernel (88)
Child subsystems: nbd (6)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in update_io_ticks (5) block prio:high actionable 19 1 12d 7d21h
INFO: task hung in read_cache_folio (6) prio:high block 1 41 3d04h 17d
general protection fault in ublk_queue_rq prio:low block 8 C 18 29d 50d PATCH [49d]
possible deadlock in blk_request_module (2) prio:low block 4 9 43d 56d PATCH [50d]
possible deadlock in add_disk_fwnode prio:low block 4 20 42d 56d PATCH [50d]
possible deadlock in bdev_open prio:low block 4 163 45d 56d PATCH [50d]
possible deadlock in bdev_release (2) prio:low block 4 39 44d 57d PATCH [50d]
possible deadlock in bioset_exit prio:low block 4 2 48d 86d
KASAN: slab-out-of-bounds Read in blk_mq_free_rqs prio:normal block 19 26 8d19h 88d
general protection fault in lo_rw_aio prio:high block 2 1570 11m 93d PATCH [4d22h]
general protection fault in bio_add_page prio:high block 2 syz 2 119d 121d PATCH [78d]
INFO: task hung in blkdev_write_iter prio:low block 1 C error error 12 34d 148d PATCH [110d]
INFO: task hung in relay_open (2) prio:low trace block 1 syz error 29 100d 222d
INFO: task hung in blk_trace_startstop prio:low block trace 1 C error 60 13d 251d
possible deadlock in __synchronize_srcu (3) prio:low block 4 1102 4h35m 278d
INFO: task hung in queue_limits_commit_update_frozen prio:low block 1 syz error 1713 8h30m 326d
INFO: rcu detected stall in blkdev_release (3) prio:normal block fs 1 103 8d04h 350d
INFO: task hung in blk_trace_setup (4) prio:low block trace 1 syz done error 33 2d14h 370d
possible deadlock in elevator_change prio:low block 4 C error 19708 29m 415d
possible deadlock in __del_gendisk prio:low block 4 C done error 43996 49d 420d PATCH [346d]
INFO: task hung in blkdev_read_iter prio:high block 1 C error error 15 1d04h 440d
INFO: task hung in sync_bdevs (3) prio:low block 1 C 5493 2h47m 512d
possible deadlock in blk_mq_update_nr_hw_queues prio:low block 4 C done error 44253 50d 602d
possible deadlock in __submit_bio block 4 C done 60724 51d 624d 💬 3 [46d]
INFO: rcu detected stall in kjournald2 (2) mm block 1 C error error 91 1d07h 655d
INFO: task hung in read_part_sector (2) prio:low block 1 syz error error 68245 8m 715d PATCH [3d13h]
KCSAN: data-race in block_uevent / inc_diskseq (2) race:harmful prio:low block 6 182 1d23h 761d 💬 2 [171d]
INFO: task hung in bdev_open prio:low block 1 C error 5820 1d06h 783d
INFO: task hung in blk_trace_remove (2) block trace 1 C done done 70 36d 907d PATCH [901d]
INFO: task hung in blkdev_flush_mapping block 1 C unreliable error 76 31d 945d 💬 1 [829d]
INFO: task hung in blk_trace_ioctl (4) prio:low block trace 1 C done 85 2d10h 963d PATCH [960d]
INFO: task hung in bdev_release prio:low block 1 C error 2664 6d15h 963d PATCH [946d]
INFO: task hung in truncate_inode_pages prio:low block 1 C 29 632d 1038d
INFO: task hung in blkdev_get_by_dev (5) block 1 C error error 32 464d 1236d PATCH [1231d]
INFO: task hung in __filemap_get_folio block 1 C done done 111 1079d 1442d 💬 4 [1021d]
INFO: task hung in nbd_add_socket (2) block 1 C error error 37 458d 1582d
INFO: task can't die in submit_bio_wait (2) block 1 C error 3 1617d 1617d
WARNING in blk_register_tracepoints prio:low block trace -1 C inconclusive done 158 2d08h 1623d
INFO: task hung in do_read_cache_folio kasan mm block 1 C error error 179 1123d 1624d 💬 3 [1110d]
INFO: task hung in blkdev_fallocate prio:high block 1 C error error 2129 14d 1659d PATCH [1391d]
KASAN: use-after-free Read in __dev_queue_xmit (5) block 19 C unreliable error 54 162d 1750d
INFO: task hung in blkdev_put (4) block 1 C done error 486 860d 2116d
WARNING in get_probe_ref prio:low trace block -1 C done error 28 77d 2254d 💬 9 [116d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
general protection fault in deadline_write1_next_rq_show prio:normal block 2 1 42d 38d
KCSAN: data-race in __kernel_write_iter / set_task_ioprio (3) prio:low block 6 6 38d 206d
KCSAN: data-race in _copy_to_iter / memcpy_and_pad (3) prio:low block 6 10 16d 216d
KCSAN: data-race in bdev_statx / queue_limits_commit_update (2) prio:low block 6 37 11d 379d
KCSAN: data-race in blkdev_open / queue_limits_commit_update prio:low block 6 75 3d14h 442d
KCSAN: data-race in delete_from_page_cache_batch / nr_blockdev_pages (12) prio:low block 6 46 10d 646d
KCSAN: data-race in delete_from_page_cache_batch / folio_mapping (2) prio:low block 6 179 9d14h 956d