block subsystem


List(s): linux-block@vger.kernel.org
Fixed bugs: 114
Parent subsystem(s): kernel (103)
Child subsystems: nbd (6)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
memory leak in io_submit_sqes (6) io-uring block prio:high 3 syz, C 2 1d06h 1h18m
WARNING in blk_validate_limits block prio:low -1 syz 25 21h56m 1d21h PATCH [39m]
WARNING in blk_mq_free_tag_set block prio:normal -1 syz 120 now 1d22h
INFO: task hung in __rq_qos_throttle (2) prio:high block 1 syz, C 9 2h23m 1d22h
UBSAN: shift-out-of-bounds in null_process_zoned_cmd block prio:low -1 13 17m 4d02h 💬 2 [2d02h]
WARNING in null_report_zones block prio:low -1 3 1d16h 4d02h
possible deadlock in blkcg_deactivate_policy (2) block cgroups prio:high 4 23 2d12h 8d18h 💬 1 [7d12h]
possible deadlock in blk_probe_dev block prio:low 4 13 5d03h 9d17h
WARNING in blk_mq_alloc_tag_set block prio:high -1 1 17d 13d
KASAN: slab-use-after-free Read in update_io_ticks (5) prio:high actionable block 19 1 32d 28d
INFO: task hung in read_cache_folio (6) prio:high block 1 63 13h08m 38d
general protection fault in ublk_queue_rq prio:low block 8 syz, C 18 50d 71d PATCH [69d]
possible deadlock in blk_request_module (2) prio:low block 4 9 64d 76d PATCH [71d]
possible deadlock in add_disk_fwnode prio:low block 4 20 63d 77d PATCH [71d]
possible deadlock in bdev_open prio:low block 4 163 66d 77d PATCH [71d]
possible deadlock in bdev_release (2) prio:low block 4 39 65d 78d PATCH [71d]
possible deadlock in bioset_exit prio:low block 4 2 68d 107d
KASAN: slab-out-of-bounds Read in blk_mq_free_rqs prio:normal block 19 C 28 4d09h 109d
general protection fault in lo_rw_aio prio:high block 2 2013 2h31m 114d PATCH [25d]
general protection fault in bio_add_page prio:high block 2 syz 2 140d 142d PATCH [99d]
INFO: task hung in blkdev_write_iter prio:low block 1 syz, C error error 12 55d 169d PATCH [131d]
INFO: task hung in relay_open (2) prio:low trace block 1 syz error 30 2d22h 243d
INFO: task hung in blk_trace_startstop prio:low block trace 1 syz, C error 60 34d 272d
possible deadlock in __synchronize_srcu (3) prio:low block 4 1202 4h18m 299d
INFO: task hung in queue_limits_commit_update_frozen prio:low block 1 syz error 1810 12h07m 347d PATCH [13d]
INFO: task hung in blk_trace_setup (4) prio:low trace block 1 syz done error 33 8d11h 391d
possible deadlock in elevator_change prio:low block 4 syz, C error 20819 5h09m 436d
possible deadlock in __del_gendisk prio:low block 4 syz, C done error 43996 69d 441d PATCH [367d]
INFO: task hung in blkdev_read_iter prio:high block 1 syz, C error error 15 21d 461d
INFO: task hung in sync_bdevs (3) prio:low block 1 syz, C 5574 1h21m 533d
possible deadlock in blk_mq_update_nr_hw_queues prio:low block 4 syz, C done error 44253 71d 623d
possible deadlock in __submit_bio block 4 syz, C done 60724 72d 644d 💬 3 [67d]
INFO: rcu detected stall in kjournald2 (2) mm block 1 syz, C error error 92 14d 676d
INFO: task hung in read_part_sector (2) prio:low block 1 syz error error 71504 18m 735d PATCH [24d]
KCSAN: data-race in block_uevent / inc_diskseq (2) race:harmful prio:low block 6 184 4d09h 782d 💬 2 [192d]
INFO: task hung in bdev_open prio:low block 1 syz, C error 5933 2h07m 804d
INFO: task hung in blk_trace_remove (2) block trace 1 syz, C done done 70 57d 927d PATCH [922d]
INFO: task hung in blkdev_flush_mapping block 1 syz, C unreliable error 76 52d 966d 💬 1 [850d]
INFO: task hung in blk_trace_ioctl (4) prio:low block trace 1 syz, C done 87 3d13h 983d PATCH [981d]
INFO: task hung in bdev_release prio:low block 1 syz, C error 2667 9d19h 984d PATCH [967d]
INFO: task hung in truncate_inode_pages prio:low block 1 syz, C 29 653d 1059d
INFO: task hung in blkdev_get_by_dev (5) block 1 syz, C error error 32 485d 1256d PATCH [1252d]
INFO: task hung in __filemap_get_folio block 1 syz, C done done 111 1100d 1463d 💬 4 [1041d]
INFO: task hung in nbd_add_socket (2) block 1 syz, C error error 37 479d 1603d
INFO: task can't die in submit_bio_wait (2) block 1 syz, C error 3 1638d 1638d
WARNING in blk_register_tracepoints prio:low block trace -1 syz, C inconclusive done 163 3d04h 1644d
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1143d 1645d 💬 3 [1131d]
INFO: task hung in blkdev_fallocate prio:high block 1 syz, C error error 2132 7d06h 1680d PATCH [1412d]
KASAN: use-after-free Read in __dev_queue_xmit (5) block 19 syz, C unreliable error 54 183d 1770d
INFO: task hung in blkdev_put (4) block 1 syz, C done error 486 881d 2137d
WARNING in get_probe_ref prio:low trace block -1 syz, C done error 29 6d17h 2275d 💬 9 [137d]
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 2d08h 2d08h
KCSAN: data-race in blk_mq_dispatch_rq_list / blk_mq_dispatch_rq_list (11) block race:benign prio:high 6 1 2d08h 2d08h
KCSAN: data-race in _copy_to_iter / fat_mirror_bhs (4) race:benign prio:low block exfat 6 2 27d 36d
general protection fault in deadline_write1_next_rq_show prio:normal block 2 1 63d 59d
KCSAN: data-race in _copy_to_iter / memcpy_and_pad (3) prio:low block 6 11 17d 236d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low block ext4 6 43 3d10h 382d
KCSAN: data-race in bdev_statx / queue_limits_commit_update (2) prio:low block 6 38 23h29m 400d
KCSAN: data-race in blkdev_open / queue_limits_commit_update prio:low block 6 77 13d 463d
KCSAN: data-race in delete_from_page_cache_batch / nr_blockdev_pages (12) prio:low block 6 47 11d 667d
KCSAN: data-race in data_alloc / data_push_tail (3) prio:low block ext4 6 75 16d 701d
KCSAN: data-race in delete_from_page_cache_batch / folio_mapping (2) prio:low block 6 181 7d12h 977d