block subsystem


List(s): linux-block@vger.kernel.org
Fixed bugs: 119
Parent subsystem(s): kernel (121)
Child subsystems: nbd (6)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING: suspicious RCU usage in mas_start (2) block prio:low 4 syz, C error 15 1d12h 1d17h
WARNING: zero-size vmalloc in trace_suspend_resume block prio:low -1 syz, C 7 5d11h 1d18h
WARNING in blk_mq_unquiesce_queue block prio:low -1 3 12d 8d22h
BUG: sleeping function called from invalid context in null_insert_page prio:low block 5 C 3 6d17h 11d
general protection fault in blk_mq_quiesce_queue block 8 syz, C 23 10d 12d 💬 4 [12d]
possible deadlock in queue_requests_store (3) block prio:low 4 4 2d10h 13d
BUG: unable to handle kernel paging request in __blk_mq_alloc_driver_tag block prio:high 8 17 2d03h 17d
BUG: corrupted list in blk_mq_request_bypass_insert prio:high block 8 syz, C 13 1d01h 18d 💬 4 [1d13h]
KASAN: slab-use-after-free Read in blk_log_remap prio:normal trace block 19 C 3 2d23h 19d PATCH [12d]
BUG: unable to handle kernel paging request in blk_mq_complete_request_remote block prio:high 8 33 26m 20d
KASAN: slab-out-of-bounds Read in seq_buf_putmem block trace prio:normal 19 15 7d20h 24d PATCH [3d12h]
WARNING in blk_mq_dispatch_rq_list block prio:high -1 14 1d02h 25d
INFO: rcu detected stall in blkdev_common_ioctl (4) prio:high block 1 syz, C 7 29d 25d
possible deadlock in ocfs2_read_blocks (2) prio:low block 4 1 30d 26d
possible deadlock in fat_count_free_clusters (2) prio:high block exfat 4 2 34d 30d
possible deadlock in submit_bio_noacct_nocheck (2) prio:low exfat block 4 2 34d 30d
possible deadlock in blkg_conf_prep prio:high block cgroups 4 syz, C 816 2h27m 32d PATCH [16d]
BUG: sleeping function called from invalid context in null_process_zoned_cmd prio:low fs block 5 C 4 13d 33d PATCH [22d]
possible deadlock in loop_configure prio:low block 4 1 38d 33d
memory leak in null_init_zoned_dev prio:low block 3 syz, C 1 37d 33d PATCH [32d]
kernel BUG in folio_unmap_invalidate prio:high block -1 2 38d 35d
WARNING in blk_mq_free_tag_set prio:normal block -1 syz, C 1941 1h43m 38d
INFO: task hung in __rq_qos_throttle (2) prio:high block 1 syz, C 116 5m 38d PATCH [4d22h]
WARNING in null_report_zones prio:low block -1 syz 6 27d 40d
possible deadlock in blkcg_deactivate_policy (2) prio:high block cgroups 4 29 23d 45d 💬 1 [10d]
WARNING in blk_mq_alloc_tag_set prio:high block -1 10 1d16h 50d
KASAN: slab-use-after-free Read in update_io_ticks (5) prio:high actionable block 19 1 69d 65d
INFO: task hung in read_cache_folio (6) prio:high block 1 106 5h10m 75d
general protection fault in ublk_queue_rq prio:low block 8 syz, C 18 87d 108d PATCH [106d]
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low block mm 6 3 40d 109d
INFO: rcu detected stall in handle_softirqs (3) prio:low lvs block 1 syz, C error 48 5d09h 109d
possible deadlock in blk_request_module (2) prio:low block 4 132 5h45m 113d PATCH [108d]
KASAN: slab-out-of-bounds Read in blk_mq_free_rqs prio:normal block 19 C 30 14d 145d PATCH [5d23h]
general protection fault in lo_rw_aio prio:high block 2 2630 1h10m 151d PATCH [7d04h]
general protection fault in bio_add_page prio:high block 2 syz 2 177d 179d PATCH [136d]
INFO: task hung in blkdev_write_iter prio:low block 1 syz, C error error 12 4d00h 206d PATCH [168d]
INFO: task hung in relay_open (2) prio:low block trace 1 syz error 30 39d 280d
INFO: task hung in blk_trace_startstop prio:low block trace 1 syz, C error 62 17d 308d
possible deadlock in __synchronize_srcu (3) prio:low block 4 1531 1h22m 335d
general protection fault in rtlock_slowlock_locked prio:high block 19 syz error done 217 79d 348d 💬 6 [36d]
INFO: task hung in queue_limits_commit_update_frozen prio:low block 1 syz, C error 1942 18h38m 384d PATCH [50d]
INFO: task hung in blk_trace_setup (4) prio:low trace block 1 syz done error 34 34d 427d
possible deadlock in elevator_change prio:low block 4 syz, C error 22562 1h04m 473d
possible deadlock in __del_gendisk prio:low block 4 syz, C done error 43996 106d 478d PATCH [404d]
INFO: task hung in blkdev_read_iter prio:high block 1 syz, C error error 16 24d 498d
INFO: task hung in sync_bdevs (3) prio:low block 1 syz, C 5877 6h56m 570d
possible deadlock in blk_mq_update_nr_hw_queues prio:low block 4 syz, C done error 44253 108d 660d
possible deadlock in __submit_bio block 4 syz, C done 60724 109d 681d 💬 3 [104d]
INFO: rcu detected stall in kjournald2 (2) mm block prio:normal 1 syz, C error error 94 16d 713d
INFO: task hung in read_part_sector (2) prio:low block 1 syz error error 77559 55m 772d PATCH [61d]
KCSAN: data-race in block_uevent / inc_diskseq (2) race:harmful prio:low block 6 185 30d 819d 💬 2 [229d]
INFO: task hung in bdev_open prio:low block 1 syz, C error 6259 3h25m 841d
INFO: task hung in blk_trace_remove (2) block trace 1 syz, C done done 71 17d 964d PATCH [959d]
INFO: task hung in blkdev_flush_mapping block 1 syz, C unreliable error 77 6d17h 1003d 💬 1 [887d]
INFO: task hung in blk_trace_ioctl (4) prio:low block trace 1 syz, C done 88 2d05h 1020d PATCH [1018d]
INFO: task hung in bdev_release prio:low block 1 syz, C error 2668 18d 1021d PATCH [1004d]
INFO: task hung in truncate_inode_pages prio:low block 1 syz, C 29 690d 1096d
INFO: task hung in blkdev_get_by_dev (5) block 1 syz, C error error 32 522d 1293d PATCH [1288d]
INFO: task hung in __filemap_get_folio block 1 syz, C done done 111 1137d 1500d 💬 4 [1078d]
INFO: task hung in nbd_add_socket (2) block 1 syz, C error error 37 515d 1639d
WARNING in blk_register_tracepoints prio:low trace block -1 syz, C inconclusive done 220 16h31m 1681d
INFO: task hung in do_read_cache_folio kasan block mm 1 syz, C error error 179 1180d 1682d 💬 3 [1168d]
INFO: task hung in blkdev_fallocate prio:high block 1 syz, C error error 2132 21h21m 1717d PATCH [1449d]
KASAN: use-after-free Read in __dev_queue_xmit (5) block 19 syz, C unreliable error 54 220d 1807d
INFO: task hung in blkdev_put (4) block 1 syz, C done error 486 917d 2174d
WARNING in get_probe_ref prio:low block trace -1 syz, C done error 51 3d15h 2312d 💬 9 [174d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __kernel_write_iter / set_task_ioprio (4) block race:benign prio:high 6 1 1d19h 1d19h
KCSAN: data-race in __bio_queue_enter / blk_mq_update_tag_set_shared block race:benign prio:high 6 1 6d04h 6d04h
BUG: corrupted list in process_scheduled_works block prio:high 8 1 15d 11d
KCSAN: data-race in iter_file_splice_write / set_task_ioprio (2) block race:benign prio:high 6 1 18d 18d
KCSAN: data-race in __blk_mq_sched_dispatch_requests / blk_mq_dispatch_rq_list (4) race:benign prio:high block 6 7 2d17h 39d
KCSAN: data-race in blk_mq_dispatch_rq_list / blk_mq_dispatch_rq_list (11) race:benign prio:high block 6 6 2d18h 39d
KCSAN: data-race in _copy_to_iter / fat_mirror_bhs (4) race:benign prio:low exfat block 6 3 31d 73d
KCSAN: data-race in _copy_to_iter / memcpy_and_pad (3) prio:low block 6 14 11d 273d
KCSAN: data-race in bdev_statx / queue_limits_commit_update (2) prio:low block 6 39 16d 437d
KCSAN: data-race in blkdev_open / queue_limits_commit_update prio:low block 6 83 16m 500d
KCSAN: data-race in delete_from_page_cache_batch / nr_blockdev_pages (12) prio:low block 6 47 48d 704d
KCSAN: data-race in data_alloc / data_push_tail (3) prio:low ext4 block 6 75 53d 738d
KCSAN: data-race in delete_from_page_cache_batch / folio_mapping (2) prio:low block 6 186 2d02h 1014d
KCSAN: data-race in data_alloc / prb_reserve prio:low block net 6 1309 21h44m 2000d