block subsystem


List(s): linux-block@vger.kernel.org
Fixed bugs: 121
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 6d11h 2d10h
WARNING: suspicious RCU usage in mas_start (2) block prio:low 4 syz, C error 24 4d15h 10d PATCH [19h39m]
WARNING: zero-size vmalloc in trace_suspend_resume block prio:low -1 syz, C 7 13d 10d
WARNING in blk_mq_unquiesce_queue block prio:low -1 3 21d 17d
BUG: sleeping function called from invalid context in null_insert_page prio:low block 5 C 3 1d00h 20d PATCH [1d15h]
general protection fault in blk_mq_quiesce_queue block prio:low 8 syz, C 23 18d 21d 💬 4 [20d]
possible deadlock in queue_requests_store (3) block prio:low 4 6 3d10h 22d
BUG: unable to handle kernel paging request in __blk_mq_alloc_driver_tag prio:high block 8 18 6d05h 25d
BUG: corrupted list in blk_mq_request_bypass_insert prio:high block 8 syz, C 18 22h46m 26d 💬 4 [9d21h]
KASAN: slab-use-after-free Read in blk_log_remap prio:normal trace block 19 C 3 11d 27d PATCH [21d]
BUG: unable to handle kernel paging request in blk_mq_complete_request_remote prio:high block 8 39 5h32m 28d
KASAN: slab-out-of-bounds Read in seq_buf_putmem prio:normal trace block 19 15 16d 32d PATCH [11d]
WARNING in blk_mq_dispatch_rq_list prio:high block -1 18 4h07m 33d
INFO: rcu detected stall in blkdev_common_ioctl (4) prio:high block 1 syz, C error 7 38d 33d
possible deadlock in ocfs2_read_blocks (2) prio:low block 4 1 39d 35d
possible deadlock in fat_count_free_clusters (2) prio:high block exfat 4 2 42d 38d
possible deadlock in submit_bio_noacct_nocheck (2) prio:low exfat block 4 2 42d 38d
possible deadlock in blkg_conf_prep prio:high cgroups block 4 syz, C 1024 31m 40d PATCH [24d]
BUG: sleeping function called from invalid context in null_process_zoned_cmd prio:low fs block 5 C 4 22d 41d PATCH [30d]
possible deadlock in loop_configure prio:low block 4 1 46d 41d
memory leak in null_init_zoned_dev prio:low block 3 syz, C 1 46d 41d PATCH [40d]
kernel BUG in folio_unmap_invalidate prio:high block -1 2 47d 43d
WARNING in blk_mq_free_tag_set prio:normal block -1 syz, C 2351 21m 47d
INFO: task hung in __rq_qos_throttle (2) prio:high block 1 syz, C 151 5m 47d PATCH [13d]
WARNING in null_report_zones prio:low block -1 syz 6 36d 49d
possible deadlock in blkcg_deactivate_policy (2) prio:high block cgroups 4 29 32d 53d 💬 1 [19d]
WARNING in blk_mq_alloc_tag_set prio:high block -1 14 6d00h 58d
KASAN: slab-use-after-free Read in update_io_ticks (5) prio:high actionable block 19 1 78d 73d
INFO: task hung in read_cache_folio (6) prio:high block 1 124 2h32m 83d
general protection fault in ublk_queue_rq prio:low block 8 syz, C 18 96d 116d PATCH [115d]
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low block mm 6 3 48d 118d
KASAN: slab-out-of-bounds Read in blk_mq_free_rqs prio:normal block 19 C 30 23d 154d PATCH [14d]
general protection fault in lo_rw_aio prio:high block 2 2756 2h33m 159d PATCH [1d17h]
general protection fault in bio_add_page prio:high block 2 syz 2 185d 188d PATCH [144d]
INFO: task hung in blkdev_write_iter prio:low block 1 syz, C error error 12 12d 214d PATCH [176d]
INFO: task hung in relay_open (2) prio:low trace block 1 syz error 30 48d 288d
INFO: task hung in blk_trace_startstop prio:low block trace 1 syz, C error 64 3d22h 317d
possible deadlock in __synchronize_srcu (3) prio:low block 4 1641 2h31m 344d
general protection fault in rtlock_slowlock_locked prio:high block 19 syz error done 217 88d 357d 💬 6 [45d]
INFO: task hung in queue_limits_commit_update_frozen prio:low block 1 syz, C error 1974 4h15m 392d PATCH [58d]
INFO: task hung in blk_trace_setup (4) prio:low block trace 1 syz done error 34 42d 436d
possible deadlock in elevator_change prio:low block 4 syz, C error 23044 8m 481d
possible deadlock in __del_gendisk prio:low block 4 syz, C done error 43996 115d 486d PATCH [412d]
INFO: task hung in blkdev_read_iter prio:high block 1 syz, C error error 16 32d 506d
INFO: task hung in sync_bdevs (3) prio:low block 1 syz, C 5907 11h28m 578d
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 690d 💬 3 [112d]
INFO: rcu detected stall in kjournald2 (2) prio:normal block mm 1 syz, C error error 95 4d19h 721d
INFO: task hung in read_part_sector (2) prio:low block 1 syz error error 78912 now 781d PATCH [69d]
KCSAN: data-race in block_uevent / inc_diskseq (2) race:harmful prio:low block 6 185 39d 827d 💬 2 [237d]
INFO: task hung in bdev_open prio:low block 1 syz, C error 6285 26m 849d
INFO: task hung in blk_trace_remove (2) block trace 1 syz, C done done 71 7d19h 973d PATCH [967d]
INFO: task hung in blkdev_flush_mapping block 1 syz, C unreliable error 79 2d20h 1011d 💬 1 [895d]
INFO: task hung in blk_trace_ioctl (4) prio:low trace block 1 syz, C done 89 5d12h 1029d PATCH [1026d]
INFO: task hung in bdev_release prio:low block 1 syz, C error 2670 2h57m 1029d PATCH [1012d]
INFO: task hung in truncate_inode_pages prio:low block 1 syz, C 29 698d 1104d
INFO: task hung in blkdev_get_by_dev (5) block 1 syz, C error error 32 530d 1302d PATCH [1297d]
INFO: task hung in __filemap_get_folio block 1 syz, C done done 111 1145d 1508d 💬 4 [1087d]
INFO: task hung in nbd_add_socket (2) block 1 syz, C error error 37 524d 1648d
WARNING in blk_register_tracepoints prio:low trace block -1 syz, C inconclusive done 230 1d04h 1689d
INFO: task hung in do_read_cache_folio mm kasan block 1 syz, C error error 179 1189d 1690d 💬 3 [1176d]
INFO: task hung in blkdev_fallocate prio:high block 1 syz, C error error 2133 4d03h 1725d PATCH [1457d]
KASAN: use-after-free Read in __dev_queue_xmit (5) block 19 syz, C unreliable error 54 228d 1816d
INFO: task hung in blkdev_put (4) block 1 syz, C done error 486 926d 2182d
WARNING in get_probe_ref prio:low trace block -1 syz, C done error 54 5d22h 2320d 💬 9 [182d]
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 10d 10d
KCSAN: data-race in __bio_queue_enter / blk_mq_update_tag_set_shared block race:benign prio:high 6 1 14d 14d
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 27d 27d
KCSAN: data-race in __blk_mq_sched_dispatch_requests / blk_mq_dispatch_rq_list (4) race:benign prio:high block 6 7 11d 47d
KCSAN: data-race in blk_mq_dispatch_rq_list / blk_mq_dispatch_rq_list (11) race:benign prio:high block 6 8 2d21h 47d
KCSAN: data-race in _copy_to_iter / fat_mirror_bhs (4) race:benign prio:low exfat block 6 3 40d 81d
KCSAN: data-race in _copy_to_iter / memcpy_and_pad (3) prio:low block 6 17 1d13h 282d
KCSAN: data-race in bdev_statx / queue_limits_commit_update (2) prio:low block 6 39 24d 446d
KCSAN: data-race in blkdev_open / queue_limits_commit_update prio:low block 6 84 4d15h 508d
KCSAN: data-race in delete_from_page_cache_batch / folio_mapping (2) prio:low block 6 187 4d04h 1022d