block subsystem


List(s): linux-block@vger.kernel.org
Fixed bugs: 120
Parent subsystem(s): kernel (122)
Child subsystems: nbd (6)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in sd_revalidate_disk block prio:high 4 1 5d21h 1d21h
WARNING: zero-size vmalloc in disksize_store block prio:low -1 syz, C 4 2d23h 2d17h PATCH [1d20h]
WARNING: suspicious RCU usage in mas_start (2) block prio:low 4 syz, C error 24 4d01h 9d11h PATCH [5h51m]
WARNING: zero-size vmalloc in trace_suspend_resume block prio:low -1 syz, C 7 13d 9d12h
WARNING in blk_mq_unquiesce_queue block prio:low -1 3 20d 16d
BUG: sleeping function called from invalid context in null_insert_page prio:low block 5 C 3 10h28m 19d PATCH [1d02h]
general protection fault in blk_mq_quiesce_queue block prio:low 8 syz, C 23 18d 20d 💬 4 [19d]
possible deadlock in queue_requests_store (3) block prio:low 4 6 2d20h 21d
BUG: unable to handle kernel paging request in __blk_mq_alloc_driver_tag prio:high block 8 18 5d15h 25d
BUG: corrupted list in blk_mq_request_bypass_insert prio:high block 8 syz, C 18 8h58m 26d 💬 4 [9d07h]
KASAN: slab-use-after-free Read in blk_log_remap prio:normal trace block 19 C 3 10d 26d PATCH [20d]
BUG: unable to handle kernel paging request in blk_mq_complete_request_remote prio:high block 8 38 1d04h 27d
KASAN: slab-out-of-bounds Read in seq_buf_putmem prio:normal trace block 19 15 15d 31d PATCH [11d]
WARNING in blk_mq_dispatch_rq_list prio:high block -1 16 3d19h 33d
INFO: rcu detected stall in blkdev_common_ioctl (4) prio:high block 1 syz, C error 7 37d 33d
possible deadlock in ocfs2_read_blocks (2) prio:low block 4 1 38d 34d
possible deadlock in fat_count_free_clusters (2) prio:high block exfat 4 2 41d 38d
possible deadlock in submit_bio_noacct_nocheck (2) prio:low exfat block 4 2 41d 38d
possible deadlock in blkg_conf_prep prio:high cgroups block 4 syz, C 1004 15m 39d PATCH [23d]
BUG: sleeping function called from invalid context in null_process_zoned_cmd prio:low fs block 5 C 4 21d 40d PATCH [30d]
possible deadlock in loop_configure prio:low block 4 1 45d 41d
memory leak in null_init_zoned_dev prio:low block 3 syz, C 1 45d 41d PATCH [40d]
kernel BUG in folio_unmap_invalidate prio:high block -1 2 46d 43d
WARNING in blk_mq_free_tag_set prio:normal block -1 syz, C 2313 7m 46d
INFO: task hung in __rq_qos_throttle (2) prio:high block 1 syz, C 149 3h31m 46d PATCH [12d]
WARNING in null_report_zones prio:low block -1 syz 6 35d 48d
possible deadlock in blkcg_deactivate_policy (2) prio:high block cgroups 4 29 31d 53d 💬 1 [18d]
WARNING in blk_mq_alloc_tag_set prio:high block -1 14 5d10h 57d
KASAN: slab-use-after-free Read in update_io_ticks (5) prio:high actionable block 19 1 77d 73d
INFO: task hung in read_cache_folio (6) prio:high block 1 123 1d01h 83d
general protection fault in ublk_queue_rq prio:low block 8 syz, C 18 95d 116d PATCH [114d]
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low block mm 6 3 48d 117d
KASAN: slab-out-of-bounds Read in blk_mq_free_rqs prio:normal block 19 C 30 22d 153d PATCH [13d]
general protection fault in lo_rw_aio prio:high block 2 2752 2h08m 159d PATCH [1d03h]
general protection fault in bio_add_page prio:high block 2 syz 2 185d 187d PATCH [144d]
INFO: task hung in blkdev_write_iter prio:low block 1 syz, C error error 12 11d 213d PATCH [175d]
INFO: task hung in relay_open (2) prio:low trace block 1 syz error 30 47d 288d
INFO: task hung in blk_trace_startstop prio:low block trace 1 syz, C error 64 3d08h 316d
possible deadlock in __synchronize_srcu (3) prio:low block 4 1638 1h27m 343d
general protection fault in rtlock_slowlock_locked prio:high block 19 syz error done 217 87d 356d 💬 6 [44d]
INFO: task hung in queue_limits_commit_update_frozen prio:low block 1 syz, C error 1972 10h21m 392d PATCH [57d]
INFO: task hung in blk_trace_setup (4) prio:low block trace 1 syz done error 34 41d 435d
possible deadlock in elevator_change prio:low block 4 syz, C error 23025 24m 481d
possible deadlock in __del_gendisk prio:low block 4 syz, C done error 43996 114d 485d PATCH [412d]
INFO: task hung in blkdev_read_iter prio:high block 1 syz, C error error 16 32d 505d
INFO: task hung in sync_bdevs (3) prio:low block 1 syz, C 5906 3h12m 577d
possible deadlock in blk_mq_update_nr_hw_queues prio:low block 4 syz, C done error 44253 116d 668d
possible deadlock in __submit_bio block 4 syz, C done 60724 117d 689d 💬 3 [112d]
INFO: rcu detected stall in kjournald2 (2) prio:normal block mm 1 syz, C error error 95 4d05h 721d
INFO: task hung in read_part_sector (2) prio:low block 1 syz error error 78819 now 780d PATCH [69d]
KCSAN: data-race in block_uevent / inc_diskseq (2) race:harmful prio:low block 6 185 38d 826d 💬 2 [236d]
INFO: task hung in bdev_open prio:low block 1 syz, C error 6281 now 849d
INFO: task hung in blk_trace_remove (2) block trace 1 syz, C done done 71 7d06h 972d PATCH [966d]
INFO: task hung in blkdev_flush_mapping block 1 syz, C unreliable error 79 2d06h 1010d 💬 1 [894d]
INFO: task hung in blk_trace_ioctl (4) prio:low trace block 1 syz, C done 89 4d22h 1028d PATCH [1025d]
INFO: task hung in bdev_release prio:low block 1 syz, C error 2669 6d21h 1028d PATCH [1012d]
INFO: task hung in truncate_inode_pages prio:low block 1 syz, C 29 697d 1104d
INFO: task hung in blkdev_get_by_dev (5) block 1 syz, C error error 32 530d 1301d PATCH [1296d]
INFO: task hung in __filemap_get_folio block 1 syz, C done done 111 1145d 1508d 💬 4 [1086d]
INFO: task hung in nbd_add_socket (2) block 1 syz, C error error 37 523d 1647d
WARNING in blk_register_tracepoints prio:low trace block -1 syz, C inconclusive done 230 14h23m 1689d
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1188d 1690d 💬 3 [1175d]
INFO: task hung in blkdev_fallocate prio:high block 1 syz, C error error 2133 3d13h 1724d PATCH [1456d]
KASAN: use-after-free Read in __dev_queue_xmit (5) block 19 syz, C unreliable error 54 228d 1815d
INFO: task hung in blkdev_put (4) block 1 syz, C done error 486 925d 2181d
WARNING in get_probe_ref prio:low trace block -1 syz, C done error 54 5d08h 2320d 💬 9 [181d]
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 9d13h 9d13h
KCSAN: data-race in __bio_queue_enter / blk_mq_update_tag_set_shared block race:benign prio:high 6 1 13d 13d
BUG: corrupted list in process_scheduled_works block prio:high 8 1 23d 19d
KCSAN: data-race in iter_file_splice_write / set_task_ioprio (2) block race:benign prio:high 6 1 26d 26d
KCSAN: data-race in __blk_mq_sched_dispatch_requests / blk_mq_dispatch_rq_list (4) race:benign prio:high block 6 7 10d 46d
KCSAN: data-race in blk_mq_dispatch_rq_list / blk_mq_dispatch_rq_list (11) race:benign prio:high block 6 8 2d07h 46d
KCSAN: data-race in _copy_to_iter / fat_mirror_bhs (4) race:benign prio:low exfat block 6 3 39d 81d
KCSAN: data-race in _copy_to_iter / memcpy_and_pad (3) prio:low block 6 17 23h31m 281d
KCSAN: data-race in bdev_statx / queue_limits_commit_update (2) prio:low block 6 39 24d 445d
KCSAN: data-race in blkdev_open / queue_limits_commit_update prio:low block 6 84 4d01h 507d
KCSAN: data-race in delete_from_page_cache_batch / folio_mapping (2) prio:low block 6 187 3d14h 1021d