block subsystem


List(s): linux-block@vger.kernel.org
Fixed bugs: 114
Parent subsystem(s): kernel (105)
Child subsystems: nbd (6)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in loop_configure block prio:low 4 1 5d05h 18h26m
memory leak in null_init_zoned_dev block prio:low 3 syz, C 1 5d01h 18h36m PATCH [10h18m]
possible deadlock in lo_ioctl block prio:low 4 2 4d19h 1d13h PATCH [12h15m]
WARNING in blk_revalidate_disk_zones block prio:normal -1 2 3d22h 1d18h PATCH [13h15m]
kernel BUG in folio_unmap_invalidate block prio:high -1 2 6d03h 2d18h
memory leak in io_submit_sqes (6) io-uring block prio:high 3 syz, C 2 5d07h 4d01h PATCH [2d21h]
WARNING in blk_validate_limits block prio:low -1 syz 25 4d22h 5d22h PATCH [4d01h]
WARNING in blk_mq_free_tag_set block prio:normal -1 syz 229 5h10m 5d22h
INFO: task hung in __rq_qos_throttle (2) prio:high block 1 syz, C 16 15h24m 5d22h
UBSAN: shift-out-of-bounds in null_process_zoned_cmd prio:low block -1 C 17 1d06h 8d03h 💬 3 [6h56m]
WARNING in null_report_zones block prio:low -1 3 5d17h 8d03h
possible deadlock in blkcg_deactivate_policy (2) block cgroups prio:high 4 25 3d05h 12d 💬 1 [11d]
possible deadlock in blk_probe_dev block prio:low 4 13 9d04h 13d
WARNING in blk_mq_alloc_tag_set block prio:high -1 2 1d11h 17d
KASAN: slab-use-after-free Read in update_io_ticks (5) prio:high actionable block 19 1 36d 32d
INFO: task hung in read_cache_folio (6) prio:high block 1 68 2d08h 42d
general protection fault in ublk_queue_rq prio:low block 8 syz, C 18 54d 75d PATCH [73d]
possible deadlock in blk_request_module (2) prio:low block 4 9 68d 80d PATCH [75d]
possible deadlock in add_disk_fwnode prio:low block 4 20 67d 81d PATCH [75d]
possible deadlock in bdev_release (2) prio:low block 4 39 69d 82d PATCH [75d]
possible deadlock in bioset_exit prio:low block 4 2 72d 111d
KASAN: slab-out-of-bounds Read in blk_mq_free_rqs prio:normal block 19 C 28 8d10h 113d
general protection fault in lo_rw_aio prio:high block 2 2066 5h28m 118d PATCH [29d]
general protection fault in bio_add_page prio:high block 2 syz 2 144d 146d PATCH [103d]
INFO: task hung in blkdev_write_iter prio:low block 1 syz, C error error 12 59d 173d PATCH [135d]
INFO: task hung in relay_open (2) prio:low trace block 1 syz error 30 6d23h 247d
INFO: task hung in blk_trace_startstop prio:low block trace 1 syz, C error 60 38d 276d
possible deadlock in __synchronize_srcu (3) prio:low block 4 1224 10h42m 303d
INFO: task hung in queue_limits_commit_update_frozen prio:low block 1 syz error 1816 1d08h 351d PATCH [17d]
INFO: task hung in blk_trace_setup (4) prio:low trace block 1 syz done error 34 1d05h 395d
possible deadlock in elevator_change prio:low block 4 syz, C error 20924 4h09m 440d
possible deadlock in __del_gendisk prio:low block 4 syz, C done error 43996 73d 445d PATCH [371d]
INFO: task hung in blkdev_read_iter prio:high block 1 syz, C error error 15 1d12h 465d
INFO: task hung in sync_bdevs (3) prio:low block 1 syz, C 5587 19h22m 537d
possible deadlock in blk_mq_update_nr_hw_queues prio:low block 4 syz, C done error 44253 75d 627d
possible deadlock in __submit_bio block 4 syz, C done 60724 76d 648d 💬 3 [71d]
INFO: rcu detected stall in kjournald2 (2) mm block 1 syz, C error error 92 18d 680d
INFO: task hung in read_part_sector (2) prio:low block 1 syz error error 71790 4h22m 739d PATCH [28d]
KCSAN: data-race in block_uevent / inc_diskseq (2) race:harmful prio:low block 6 184 8d10h 786d 💬 2 [196d]
INFO: task hung in bdev_open prio:low block 1 syz, C error 5953 1d01h 808d
INFO: task hung in blk_trace_remove (2) block trace 1 syz, C done done 70 61d 931d PATCH [926d]
INFO: task hung in blkdev_flush_mapping block 1 syz, C unreliable error 76 56d 970d 💬 1 [854d]
INFO: task hung in blk_trace_ioctl (4) prio:low block trace 1 syz, C done 87 7d13h 987d PATCH [985d]
INFO: task hung in bdev_release prio:low block 1 syz, C error 2667 13d 988d PATCH [971d]
INFO: task hung in truncate_inode_pages prio:low block 1 syz, C 29 657d 1063d
INFO: task hung in blkdev_get_by_dev (5) block 1 syz, C error error 32 489d 1261d PATCH [1256d]
INFO: task hung in __filemap_get_folio block 1 syz, C done done 111 1104d 1467d 💬 4 [1045d]
INFO: task hung in nbd_add_socket (2) block 1 syz, C error error 37 483d 1607d
INFO: task can't die in submit_bio_wait (2) block 1 syz, C error 3 1642d 1642d
WARNING in blk_register_tracepoints prio:low block trace -1 syz, C inconclusive done 163 7d05h 1648d
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1148d 1649d 💬 3 [1135d]
INFO: task hung in blkdev_fallocate prio:high block 1 syz, C error error 2132 11d 1684d PATCH [1416d]
KASAN: use-after-free Read in __dev_queue_xmit (5) block 19 syz, C unreliable error 54 187d 1774d
INFO: task hung in blkdev_put (4) block 1 syz, C done error 486 885d 2141d
WARNING in get_probe_ref prio:low trace block -1 syz, C done error 29 10d 2279d 💬 9 [141d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __blk_mq_sched_dispatch_requests / blk_mq_dispatch_rq_list (4) block race:benign prio:high 6 1 6d08h 6d08h
KCSAN: data-race in blk_mq_dispatch_rq_list / blk_mq_dispatch_rq_list (11) block race:benign prio:high 6 2 22h42m 6d09h
KCSAN: data-race in _copy_to_iter / fat_mirror_bhs (4) race:benign prio:low block exfat 6 2 31d 40d
general protection fault in deadline_write1_next_rq_show prio:normal block 2 1 67d 63d
KCSAN: data-race in _copy_to_iter / memcpy_and_pad (3) prio:low block 6 12 16h19m 240d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low block ext4 6 43 7d11h 386d
KCSAN: data-race in bdev_statx / queue_limits_commit_update (2) prio:low block 6 38 5d00h 404d
KCSAN: data-race in blkdev_open / queue_limits_commit_update prio:low block 6 78 2d13h 467d
KCSAN: data-race in delete_from_page_cache_batch / nr_blockdev_pages (12) prio:low block 6 47 16d 671d
KCSAN: data-race in data_alloc / data_push_tail (3) prio:low block ext4 6 75 20d 705d
KCSAN: data-race in delete_from_page_cache_batch / folio_mapping (2) prio:low block 6 181 11d 981d