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
possible deadlock in lo_ioctl block prio:low 4 2 3d17h 11h19m PATCH [18m]
WARNING in blk_revalidate_disk_zones block prio:normal -1 2 2d20h 16h27m PATCH [1h14m]
kernel BUG in folio_unmap_invalidate block prio:high -1 2 5d01h 1d16h
memory leak in io_submit_sqes (6) io-uring block prio:high 3 syz, C 2 4d05h 2d23h PATCH [1d19h]
WARNING in blk_validate_limits block prio:low -1 syz 25 3d20h 4d20h PATCH [2d23h]
WARNING in blk_mq_free_tag_set block prio:normal -1 syz 200 3h58m 4d20h
INFO: task hung in __rq_qos_throttle (2) prio:high block 1 syz, C 14 13h19m 4d20h
UBSAN: shift-out-of-bounds in null_process_zoned_cmd prio:low block -1 C 17 4h27m 7d00h 💬 2 [4h26m]
WARNING in null_report_zones block prio:low -1 3 4d15h 7d01h
possible deadlock in blkcg_deactivate_policy (2) block cgroups prio:high 4 25 2d03h 11d 💬 1 [10d]
possible deadlock in blk_probe_dev block prio:low 4 13 8d02h 12d
WARNING in blk_mq_alloc_tag_set block prio:high -1 2 9h31m 16d
KASAN: slab-use-after-free Read in update_io_ticks (5) prio:high actionable block 19 1 35d 31d
INFO: task hung in read_cache_folio (6) prio:high block 1 68 1d06h 41d
general protection fault in ublk_queue_rq prio:low block 8 syz, C 18 53d 74d PATCH [72d]
possible deadlock in blk_request_module (2) prio:low block 4 9 67d 79d PATCH [74d]
possible deadlock in add_disk_fwnode prio:low block 4 20 66d 80d PATCH [74d]
possible deadlock in bdev_open prio:low block 4 163 69d 80d PATCH [74d]
possible deadlock in bdev_release (2) prio:low block 4 39 67d 81d PATCH [74d]
possible deadlock in bioset_exit prio:low block 4 2 71d 110d
KASAN: slab-out-of-bounds Read in blk_mq_free_rqs prio:normal block 19 C 28 7d08h 111d
general protection fault in lo_rw_aio prio:high block 2 2058 1h36m 117d PATCH [28d]
general protection fault in bio_add_page prio:high block 2 syz 2 143d 145d PATCH [102d]
INFO: task hung in blkdev_write_iter prio:low block 1 syz, C error error 12 58d 172d PATCH [134d]
INFO: task hung in relay_open (2) prio:low trace block 1 syz error 30 5d20h 246d
INFO: task hung in blk_trace_startstop prio:low block trace 1 syz, C error 60 37d 274d
possible deadlock in __synchronize_srcu (3) prio:low block 4 1219 4h48m 302d
INFO: task hung in queue_limits_commit_update_frozen prio:low block 1 syz error 1816 6h52m 350d PATCH [16d]
INFO: task hung in blk_trace_setup (4) prio:low trace block 1 syz done error 34 3h48m 393d
possible deadlock in elevator_change prio:low block 4 syz, C error 20894 5h42m 439d
possible deadlock in __del_gendisk prio:low block 4 syz, C done error 43996 72d 444d PATCH [370d]
INFO: task hung in blkdev_read_iter prio:high block 1 syz, C error error 15 10h35m 464d
INFO: task hung in sync_bdevs (3) prio:low block 1 syz, C 5584 13h04m 536d
possible deadlock in blk_mq_update_nr_hw_queues prio:low block 4 syz, C done error 44253 74d 626d
possible deadlock in __submit_bio block 4 syz, C done 60724 75d 647d 💬 3 [70d]
INFO: rcu detected stall in kjournald2 (2) mm block 1 syz, C error error 92 17d 679d
INFO: task hung in read_part_sector (2) prio:low block 1 syz error error 71730 7m 738d PATCH [27d]
KCSAN: data-race in block_uevent / inc_diskseq (2) race:harmful prio:low block 6 184 7d08h 785d 💬 2 [195d]
INFO: task hung in bdev_open prio:low block 1 syz, C error 5952 16m 807d
INFO: task hung in blk_trace_remove (2) block trace 1 syz, C done done 70 60d 930d PATCH [925d]
INFO: task hung in blkdev_flush_mapping block 1 syz, C unreliable error 76 55d 969d 💬 1 [853d]
INFO: task hung in blk_trace_ioctl (4) prio:low block trace 1 syz, C done 87 6d11h 986d PATCH [984d]
INFO: task hung in bdev_release prio:low block 1 syz, C error 2667 12d 987d PATCH [970d]
INFO: task hung in truncate_inode_pages prio:low block 1 syz, C 29 656d 1062d
INFO: task hung in blkdev_get_by_dev (5) block 1 syz, C error error 32 488d 1259d PATCH [1255d]
INFO: task hung in __filemap_get_folio block 1 syz, C done done 111 1103d 1466d 💬 4 [1044d]
INFO: task hung in nbd_add_socket (2) block 1 syz, C error error 37 481d 1606d
INFO: task can't die in submit_bio_wait (2) block 1 syz, C error 3 1641d 1641d
WARNING in blk_register_tracepoints prio:low block trace -1 syz, C inconclusive done 163 6d02h 1647d
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1146d 1648d 💬 3 [1134d]
INFO: task hung in blkdev_fallocate prio:high block 1 syz, C error error 2132 10d 1683d PATCH [1415d]
KASAN: use-after-free Read in __dev_queue_xmit (5) block 19 syz, C unreliable error 54 186d 1773d
INFO: task hung in blkdev_put (4) block 1 syz, C done error 486 884d 2140d
WARNING in get_probe_ref prio:low trace block -1 syz, C done error 29 9d15h 2278d 💬 9 [140d]
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 5d06h 5d06h
KCSAN: data-race in blk_mq_dispatch_rq_list / blk_mq_dispatch_rq_list (11) block race:benign prio:high 6 1 5d07h 5d07h
KCSAN: data-race in _copy_to_iter / fat_mirror_bhs (4) race:benign prio:low block exfat 6 2 30d 39d
general protection fault in deadline_write1_next_rq_show prio:normal block 2 1 66d 62d
KCSAN: data-race in _copy_to_iter / memcpy_and_pad (3) prio:low block 6 11 20d 239d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low block ext4 6 43 6d09h 385d
KCSAN: data-race in bdev_statx / queue_limits_commit_update (2) prio:low block 6 38 3d21h 403d
KCSAN: data-race in blkdev_open / queue_limits_commit_update prio:low block 6 78 1d11h 466d
KCSAN: data-race in delete_from_page_cache_batch / nr_blockdev_pages (12) prio:low block 6 47 14d 670d
KCSAN: data-race in data_alloc / data_push_tail (3) prio:low block ext4 6 75 19d 704d
KCSAN: data-race in delete_from_page_cache_batch / folio_mapping (2) prio:low block 6 181 10d 980d