block subsystem


List(s): linux-block@vger.kernel.org
Fixed bugs: 118
Parent subsystem(s): kernel (122)
Child subsystems: nbd (6)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: unable to handle kernel paging request in __blk_mq_alloc_driver_tag block prio:high 8 6 14h47m 1d20h
BUG: corrupted list in blk_mq_request_bypass_insert block prio:high 8 6 17h58m 2d20h 💬 3 [5h13m]
KASAN: slab-use-after-free Read in blk_log_remap prio:normal trace block 19 C 2 3d13h 3d13h
BUG: unable to handle kernel paging request in blk_mq_complete_request_remote block prio:high 8 6 2d20h 4d16h
KASAN: slab-out-of-bounds Read in seq_buf_putmem block trace prio:normal 19 13 5d03h 8d12h
WARNING in blk_mq_dispatch_rq_list block prio:high -1 7 2d17h 10d
INFO: rcu detected stall in blkdev_common_ioctl (4) prio:high block 1 syz, C 7 14d 10d
possible deadlock in ocfs2_read_blocks (2) block prio:low 4 1 15d 11d
possible deadlock in submit_bio_noacct_nocheck (2) block prio:low 4 2 18d 15d
possible deadlock in blkg_conf_prep prio:high block cgroups 4 syz, C 327 51m 16d PATCH [15h08m]
possible deadlock in loop_configure block prio:low 4 1 22d 18d
memory leak in null_init_zoned_dev block prio:low 3 syz, C 1 22d 18d PATCH [17d]
kernel BUG in folio_unmap_invalidate block prio:high -1 2 23d 20d
WARNING in blk_validate_limits block prio:low -1 syz, C 30 1d19h 23d PATCH [21d]
WARNING in blk_mq_free_tag_set block prio:normal -1 syz, C 891 now 23d
INFO: task hung in __rq_qos_throttle (2) prio:high block 1 syz, C 36 4h34m 23d
WARNING in null_report_zones prio:low block -1 syz 6 12d 25d
possible deadlock in blkcg_deactivate_policy (2) prio:high block cgroups 4 29 8d06h 30d 💬 1 [28d]
WARNING in blk_mq_alloc_tag_set prio:high block -1 8 6d19h 34d
KASAN: slab-use-after-free Read in update_io_ticks (5) prio:high actionable block 19 1 54d 50d
INFO: task hung in read_cache_folio (6) prio:high block 1 80 39m 59d
general protection fault in ublk_queue_rq prio:low block 8 syz, C 18 72d 93d PATCH [91d]
KCSAN: data-race in _copy_to_iter / _copy_to_iter (2) race:harmful prio:low block mm 6 3 24d 94d
INFO: rcu detected stall in handle_softirqs (3) prio:low lvs block 1 syz, C error 43 6d15h 94d
possible deadlock in blk_request_module (2) prio:low block 4 75 1d11h 98d PATCH [93d]
possible deadlock in bioset_exit prio:low block 4 2 90d 128d
KASAN: slab-out-of-bounds Read in blk_mq_free_rqs prio:normal block 19 C 29 4d13h 130d
general protection fault in lo_rw_aio prio:high block 2 2354 1h51m 136d PATCH [3d10h]
general protection fault in bio_add_page prio:high block 2 syz 2 161d 164d PATCH [120d]
INFO: task hung in blkdev_write_iter prio:low block 1 syz, C error error 12 77d 190d PATCH [152d]
INFO: task hung in relay_open (2) prio:low block trace 1 syz error 30 24d 265d
INFO: task hung in blk_trace_startstop prio:low block trace 1 syz, C error 62 1d15h 293d
possible deadlock in __synchronize_srcu (3) prio:low block 4 1301 13m 320d
general protection fault in rtlock_slowlock_locked prio:high block 19 syz error done 217 64d 333d 💬 6 [21d]
INFO: task hung in queue_limits_commit_update_frozen prio:low block 1 syz, C error 1883 2h47m 368d PATCH [34d]
INFO: task hung in blk_trace_setup (4) prio:low trace block 1 syz done error 34 18d 412d
possible deadlock in elevator_change prio:low block 4 syz, C error 21561 now 458d
possible deadlock in __del_gendisk prio:low block 4 syz, C done error 43996 91d 462d PATCH [388d]
INFO: task hung in blkdev_read_iter prio:high block 1 syz, C error error 16 8d18h 482d
INFO: task hung in sync_bdevs (3) prio:low block 1 syz, C 5772 7h13m 554d
possible deadlock in blk_mq_update_nr_hw_queues prio:low block 4 syz, C done error 44253 92d 645d
possible deadlock in __submit_bio block 4 syz, C done 60724 93d 666d 💬 3 [88d]
INFO: rcu detected stall in kjournald2 (2) mm block 1 syz, C error error 94 1d05h 697d
INFO: task hung in read_part_sector (2) prio:low block 1 syz error error 74986 now 757d PATCH [45d]
KCSAN: data-race in block_uevent / inc_diskseq (2) race:harmful prio:low block 6 185 15d 803d 💬 2 [213d]
INFO: task hung in bdev_open prio:low block 1 syz, C error 6189 3h19m 825d
INFO: task hung in blk_trace_remove (2) block trace 1 syz, C done done 71 2d06h 949d PATCH [943d]
INFO: task hung in blkdev_flush_mapping block 1 syz, C unreliable error 76 73d 987d 💬 1 [871d]
INFO: task hung in blk_trace_ioctl (4) prio:low block trace 1 syz, C done 87 9d21h 1005d PATCH [1002d]
INFO: task hung in bdev_release prio:low block 1 syz, C error 2668 3d05h 1005d PATCH [988d]
INFO: task hung in truncate_inode_pages prio:low block 1 syz, C 29 674d 1080d
INFO: task hung in blkdev_get_by_dev (5) block 1 syz, C error error 32 506d 1278d PATCH [1273d]
INFO: task hung in __filemap_get_folio block 1 syz, C done done 111 1121d 1484d 💬 4 [1063d]
INFO: task hung in nbd_add_socket (2) block 1 syz, C error error 37 500d 1624d
WARNING in blk_register_tracepoints prio:low trace block -1 syz, C inconclusive done 176 20h42m 1665d
INFO: task hung in do_read_cache_folio kasan block mm 1 syz, C error error 179 1165d 1666d 💬 3 [1152d]
INFO: task hung in blkdev_fallocate prio:high block 1 syz, C error error 2132 3d13h 1701d PATCH [1433d]
KASAN: use-after-free Read in __dev_queue_xmit (5) block 19 syz, C unreliable error 54 205d 1792d
INFO: task hung in blkdev_put (4) block 1 syz, C done error 486 902d 2158d
WARNING in get_probe_ref prio:low block trace -1 syz, C done error 30 12d 2296d 💬 9 [158d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in iter_file_splice_write / set_task_ioprio (2) block race:benign prio:high 6 1 3d08h 3d08h
KCSAN: data-race in __blk_mq_sched_dispatch_requests / blk_mq_dispatch_rq_list (4) block race:benign prio:high 6 3 2d06h 23d
KCSAN: data-race in blk_mq_dispatch_rq_list / blk_mq_dispatch_rq_list (11) block race:benign prio:high 6 4 2d05h 23d
KCSAN: data-race in _copy_to_iter / fat_mirror_bhs (4) race:benign prio:low block exfat 6 3 16d 58d
general protection fault in deadline_write1_next_rq_show prio:normal block 2 1 84d 80d
KCSAN: data-race in _copy_to_iter / memcpy_and_pad (3) prio:low block 6 12 17d 258d
KCSAN: data-race in bdev_statx / queue_limits_commit_update (2) prio:low block 6 39 22h24m 422d
KCSAN: data-race in blkdev_open / queue_limits_commit_update prio:low block 6 80 5d10h 484d
KCSAN: data-race in delete_from_page_cache_batch / nr_blockdev_pages (12) prio:low block 6 47 33d 688d
KCSAN: data-race in data_alloc / data_push_tail (3) prio:low ext4 block 6 75 38d 722d
KCSAN: data-race in delete_from_page_cache_batch / folio_mapping (2) prio:low block 6 185 2d05h 998d
KCSAN: data-race in data_alloc / prb_reserve prio:low block net 6 1304 1d03h 1985d