block subsystem


List(s): linux-block@vger.kernel.org
Fixed bugs: 114
Parent subsystem(s): kernel (98)
Child subsystems: nbd (6)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in blk_validate_limits block prio:low -1 syz 23 2h59m 19h01m
WARNING in blk_mq_free_tag_set block prio:normal -1 syz 84 18m 19h02m
INFO: task hung in __rq_qos_throttle (2) prio:high block 1 syz, C 8 1d00h 19h04m
UBSAN: shift-out-of-bounds in null_process_zoned_cmd block prio:low -1 11 8h57m 2d23h 💬 2 [23h15m]
WARNING in null_report_zones block prio:low -1 3 13h47m 2d23h
possible deadlock in blkcg_deactivate_policy (2) block cgroups prio:high 4 23 1d09h 7d15h 💬 1 [6d09h]
possible deadlock in blk_probe_dev block prio:low 4 13 4d01h 8d14h
WARNING in blk_mq_alloc_tag_set block prio:high -1 1 16d 12d
KASAN: slab-use-after-free Read in update_io_ticks (5) prio:high actionable block 19 1 31d 27d
INFO: task hung in read_cache_folio (6) prio:high block 1 60 1h00m 37d
general protection fault in ublk_queue_rq prio:low block 8 syz, C 18 49d 70d PATCH [68d]
possible deadlock in blk_request_module (2) prio:low block 4 9 63d 75d PATCH [70d]
possible deadlock in add_disk_fwnode prio:low block 4 20 62d 76d PATCH [70d]
possible deadlock in bdev_open prio:low block 4 163 65d 76d PATCH [70d]
possible deadlock in bdev_release (2) prio:low block 4 39 63d 77d PATCH [70d]
possible deadlock in bioset_exit prio:low block 4 2 67d 106d
KASAN: slab-out-of-bounds Read in blk_mq_free_rqs prio:normal block 19 C 28 3d06h 107d
general protection fault in lo_rw_aio prio:high block 2 1997 17m 113d PATCH [24d]
general protection fault in bio_add_page prio:high block 2 syz 2 139d 141d PATCH [98d]
INFO: task hung in blkdev_write_iter prio:low block 1 syz, C error error 12 54d 168d PATCH [130d]
INFO: task hung in relay_open (2) prio:low trace block 1 syz error 30 1d19h 242d
INFO: task hung in blk_trace_startstop prio:low block trace 1 syz, C error 60 33d 270d
possible deadlock in __synchronize_srcu (3) prio:low block 4 1199 1d09h 297d
INFO: task hung in queue_limits_commit_update_frozen prio:low block 1 syz error 1807 6m 346d PATCH [12d]
INFO: task hung in blk_trace_setup (4) prio:low trace block 1 syz done error 33 7d08h 389d
possible deadlock in elevator_change prio:low block 4 syz, C error 20796 35m 435d
possible deadlock in __del_gendisk prio:low block 4 syz, C done error 43996 68d 440d PATCH [366d]
INFO: task hung in blkdev_read_iter prio:high block 1 syz, C error error 15 20d 460d
INFO: task hung in sync_bdevs (3) prio:low block 1 syz, C 5565 28m 532d
possible deadlock in blk_mq_update_nr_hw_queues prio:low block 4 syz, C done error 44253 70d 622d
possible deadlock in __submit_bio block 4 syz, C done 60724 71d 643d 💬 3 [66d]
INFO: rcu detected stall in kjournald2 (2) mm block 1 syz, C error error 92 13d 675d
INFO: task hung in read_part_sector (2) prio:low block 1 syz error error 71357 now 734d PATCH [23d]
KCSAN: data-race in block_uevent / inc_diskseq (2) race:harmful prio:low block 6 184 3d06h 781d 💬 2 [191d]
INFO: task hung in bdev_open prio:low block 1 syz, C error 5924 8h32m 803d
INFO: task hung in blk_trace_remove (2) block trace 1 syz, C done done 70 56d 926d PATCH [921d]
INFO: task hung in blkdev_flush_mapping block 1 syz, C unreliable error 76 51d 965d 💬 1 [849d]
INFO: task hung in blk_trace_ioctl (4) prio:low block trace 1 syz, C done 87 2d10h 982d PATCH [980d]
INFO: task hung in bdev_release prio:low block 1 syz, C error 2667 8d16h 983d PATCH [966d]
INFO: task hung in truncate_inode_pages prio:low block 1 syz, C 29 652d 1058d
INFO: task hung in blkdev_get_by_dev (5) block 1 syz, C error error 32 484d 1255d PATCH [1250d]
INFO: task hung in __filemap_get_folio block 1 syz, C done done 111 1099d 1462d 💬 4 [1040d]
INFO: task hung in nbd_add_socket (2) block 1 syz, C error error 37 477d 1601d
INFO: task can't die in submit_bio_wait (2) block 1 syz, C error 3 1637d 1637d
WARNING in blk_register_tracepoints prio:low block trace -1 syz, C inconclusive done 163 2d01h 1643d
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1142d 1644d 💬 3 [1130d]
INFO: task hung in blkdev_fallocate prio:high block 1 syz, C error error 2132 6d03h 1679d PATCH [1411d]
KASAN: use-after-free Read in __dev_queue_xmit (5) block 19 syz, C unreliable error 54 182d 1769d
INFO: task hung in blkdev_put (4) block 1 syz, C done error 486 879d 2136d
WARNING in get_probe_ref prio:low trace block -1 syz, C done error 29 5d14h 2274d 💬 9 [136d]
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 6 1 1d05h 1d05h
KCSAN: data-race in blk_mq_dispatch_rq_list / blk_mq_dispatch_rq_list (11) block race:benign 6 1 1d05h 1d05h
KCSAN: data-race in _copy_to_iter / fat_mirror_bhs (4) race:benign prio:low block exfat 6 2 26d 35d
general protection fault in deadline_write1_next_rq_show prio:normal block 2 1 62d 58d
KCSAN: data-race in _copy_to_iter / memcpy_and_pad (3) prio:low block 6 11 16d 235d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low block ext4 6 43 2d07h 381d
KCSAN: data-race in bdev_statx / queue_limits_commit_update (2) prio:low block 6 37 31d 399d
KCSAN: data-race in blkdev_open / queue_limits_commit_update prio:low block 6 77 12d 462d
KCSAN: data-race in delete_from_page_cache_batch / nr_blockdev_pages (12) prio:low block 6 47 10d 666d
KCSAN: data-race in data_alloc / data_push_tail (3) prio:low block ext4 6 75 15d 700d
KCSAN: data-race in delete_from_page_cache_batch / folio_mapping (2) prio:low block 6 181 6d09h 976d