block subsystem


List(s): linux-block@vger.kernel.org
Fixed bugs: 114
Parent subsystem(s): kernel (102)
Child subsystems: nbd (6)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
kernel BUG in folio_unmap_invalidate block prio:high -1 2 3d17h 8h27m
memory leak in io_submit_sqes (6) io-uring block prio:high 3 syz, C 2 2d21h 1d15h PATCH [11h55m]
WARNING in blk_validate_limits block prio:low -1 syz 25 2d12h 3d12h PATCH [1d15h]
WARNING in blk_mq_free_tag_set block prio:normal -1 syz 145 55m 3d12h
INFO: task hung in __rq_qos_throttle (2) prio:high block 1 syz, C 10 8h23m 3d12h
UBSAN: shift-out-of-bounds in null_process_zoned_cmd block prio:low -1 15 5h28m 5d17h 💬 2 [3d16h]
WARNING in null_report_zones block prio:low -1 3 3d07h 5d17h
possible deadlock in blkcg_deactivate_policy (2) block cgroups prio:high 4 25 19h08m 10d 💬 1 [9d02h]
possible deadlock in blk_probe_dev block prio:low 4 13 6d18h 11d
WARNING in blk_mq_alloc_tag_set block prio:high -1 1 18d 14d
KASAN: slab-use-after-free Read in update_io_ticks (5) prio:high actionable block 19 1 34d 30d
INFO: task hung in read_cache_folio (6) prio:high block 1 66 2h13m 40d
general protection fault in ublk_queue_rq prio:low block 8 syz, C 18 52d 73d PATCH [71d]
possible deadlock in blk_request_module (2) prio:low block 4 9 66d 78d PATCH [73d]
possible deadlock in add_disk_fwnode prio:low block 4 20 65d 79d PATCH [73d]
possible deadlock in bdev_open prio:low block 4 163 67d 79d PATCH [73d]
possible deadlock in bdev_release (2) prio:low block 4 39 66d 79d PATCH [73d]
possible deadlock in bioset_exit prio:low block 4 2 70d 109d
KASAN: slab-out-of-bounds Read in blk_mq_free_rqs prio:normal block 19 C 28 6d00h 110d
general protection fault in lo_rw_aio prio:high block 2 2043 29m 116d PATCH [27d]
general protection fault in bio_add_page prio:high block 2 syz 2 142d 144d PATCH [100d]
INFO: task hung in blkdev_write_iter prio:low block 1 syz, C error error 12 57d 170d PATCH [132d]
INFO: task hung in relay_open (2) prio:low trace block 1 syz error 30 4d12h 245d
INFO: task hung in blk_trace_startstop prio:low block trace 1 syz, C error 60 35d 273d
possible deadlock in __synchronize_srcu (3) prio:low block 4 1211 5h25m 300d
INFO: task hung in queue_limits_commit_update_frozen prio:low block 1 syz error 1814 13h59m 348d PATCH [14d]
INFO: task hung in blk_trace_setup (4) prio:low trace block 1 syz done error 33 10d 392d
possible deadlock in elevator_change prio:low block 4 syz, C error 20857 1h12m 438d
possible deadlock in __del_gendisk prio:low block 4 syz, C done error 43996 71d 442d PATCH [368d]
INFO: task hung in blkdev_read_iter prio:high block 1 syz, C error error 15 23d 462d
INFO: task hung in sync_bdevs (3) prio:low block 1 syz, C 5581 8h20m 534d
possible deadlock in blk_mq_update_nr_hw_queues prio:low block 4 syz, C done error 44253 73d 625d
possible deadlock in __submit_bio block 4 syz, C done 60724 74d 646d 💬 3 [69d]
INFO: rcu detected stall in kjournald2 (2) mm block 1 syz, C error error 92 16d 678d
INFO: task hung in read_part_sector (2) prio:low block 1 syz error error 71635 now 737d PATCH [25d]
KCSAN: data-race in block_uevent / inc_diskseq (2) race:harmful prio:low block 6 184 6d00h 783d 💬 2 [193d]
INFO: task hung in bdev_open prio:low block 1 syz, C error 5948 3h04m 806d
INFO: task hung in blk_trace_remove (2) block trace 1 syz, C done done 70 58d 929d PATCH [923d]
INFO: task hung in blkdev_flush_mapping block 1 syz, C unreliable error 76 53d 967d 💬 1 [851d]
INFO: task hung in blk_trace_ioctl (4) prio:low block trace 1 syz, C done 87 5d03h 985d PATCH [982d]
INFO: task hung in bdev_release prio:low block 1 syz, C error 2667 11d 985d PATCH [969d]
INFO: task hung in truncate_inode_pages prio:low block 1 syz, C 29 654d 1061d
INFO: task hung in blkdev_get_by_dev (5) block 1 syz, C error error 32 487d 1258d PATCH [1253d]
INFO: task hung in __filemap_get_folio block 1 syz, C done done 111 1102d 1465d 💬 4 [1043d]
INFO: task hung in nbd_add_socket (2) block 1 syz, C error error 37 480d 1604d
INFO: task can't die in submit_bio_wait (2) block 1 syz, C error 3 1639d 1639d
WARNING in blk_register_tracepoints prio:low block trace -1 syz, C inconclusive done 163 4d19h 1646d
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1145d 1647d 💬 3 [1132d]
INFO: task hung in blkdev_fallocate prio:high block 1 syz, C error error 2132 8d21h 1681d PATCH [1413d]
KASAN: use-after-free Read in __dev_queue_xmit (5) block 19 syz, C unreliable error 54 185d 1772d
INFO: task hung in blkdev_put (4) block 1 syz, C done error 486 882d 2138d
WARNING in get_probe_ref prio:low trace block -1 syz, C done error 29 8d07h 2277d 💬 9 [138d]
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 3d22h 3d22h
KCSAN: data-race in blk_mq_dispatch_rq_list / blk_mq_dispatch_rq_list (11) block race:benign prio:high 6 1 3d23h 3d23h
KCSAN: data-race in _copy_to_iter / fat_mirror_bhs (4) race:benign prio:low block exfat 6 2 29d 38d
general protection fault in deadline_write1_next_rq_show prio:normal block 2 1 65d 61d
KCSAN: data-race in _copy_to_iter / memcpy_and_pad (3) prio:low block 6 11 18d 238d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low block ext4 6 43 5d01h 384d
KCSAN: data-race in bdev_statx / queue_limits_commit_update (2) prio:low block 6 38 2d13h 402d
KCSAN: data-race in blkdev_open / queue_limits_commit_update prio:low block 6 78 3h31m 464d
KCSAN: data-race in delete_from_page_cache_batch / nr_blockdev_pages (12) prio:low block 6 47 13d 669d
KCSAN: data-race in data_alloc / data_push_tail (3) prio:low block ext4 6 75 18d 703d
KCSAN: data-race in delete_from_page_cache_batch / folio_mapping (2) prio:low block 6 181 9d02h 978d