syzbot

 sign-in | mailing list | source | docs
🐞 Open [1582]
≡ Subsystems
🐞 Fixed [6252]
🐞 Invalid [15838]
⬇ Missing Backports [185]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

block subsystem


List(s): linux-block@vger.kernel.org
Fixed bugs: 97
Parent subsystem(s): kernel (85)
Child subsystems: nbd (4)
open (38):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: task hung in blkdev_read_iter block C error 2 9d12h 19d
BUG: soft lockup in aoecmd_cfg (3) block 5 25d 25d
BUG: unable to handle kernel NULL pointer dereference in guard_bio_eod block C 4 20d 30d 💬 2 [28d]
kernel panic: KASAN: panic_on_warn set ... block bcachefs afs 6 30d 36d 💬 1 [36d]
possible deadlock in queue_wb_lat_store block C 21 5h27m 50d
possible deadlock in queue_requests_store block C 275 19h10m 55d
possible deadlock in blk_mq_freeze_queue_nomemsave block C done 6321 12m 55d PATCH [47d]
INFO: task hung in sync_bdevs (3) block 75 9d09h 91d
BUG: corrupted list in loop_process_work block C done 1809 88d 100d 💬 3 [96d]
possible deadlock in blk_mq_update_nr_hw_queues block C 639 16m 182d
possible deadlock in blk_mq_submit_bio block syz 40 126d 183d 💬 4 [166d]
possible deadlock in loop_set_status block C done 16256 20m 183d 💬 2 [23d]
possible deadlock in __synchronize_srcu (2) block 76 59d 184d
WARNING: bad unlock balance in elevator_init_mq block usb syz done 1 203d 199d
WARNING: bad unlock balance in blk_mq_update_tag_set_shared usb block syz done 11 202d 200d 💬 1 [152d]
possible deadlock in __submit_bio block C done 60676 62d 203d 💬 3 [62d]
general protection fault in blk_update_request block 24 26d 205d
KASAN: slab-use-after-free Read in percpu_ref_put (2) block C 3808 51d 227d
INFO: task hung in read_part_sector (2) block 470 38m 294d
KCSAN: data-race in block_uevent / inc_diskseq (2) block 87 4d17h 340d 💬 2 [31d]
INFO: task hung in bdev_open block C error 664 10d 362d
INFO: task hung in blk_trace_remove (2) block trace C done done 22 2d01h 486d PATCH [480d]
KMSAN: kernel-infoleak in filemap_read block C 5644 11m 498d
INFO: task hung in blkdev_flush_mapping block C unreliable error 17 62d 524d 💬 1 [408d]
INFO: task hung in blk_trace_ioctl (4) trace block C done 43 6d00h 542d PATCH [539d]
INFO: task hung in bdev_release block C error 2539 2d01h 542d PATCH [525d]
INFO: task hung in truncate_inode_pages block C 29 211d 617d
INFO: task hung in blkdev_get_by_dev (5) block C error error 32 43d 815d PATCH [810d]
possible deadlock in filemap_fault mm block C done 2789 14h47m 934d 💬 4 [13d]
INFO: task hung in __filemap_get_folio block C done done 111 658d 1021d 💬 4 [600d]
INFO: task hung in nbd_add_socket (2) block C error error 37 37d 1161d
INFO: task can't die in submit_bio_wait (2) block C error 3 1196d 1196d
WARNING in blk_register_tracepoints block trace C inconclusive done 52 4d11h 1202d
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 702d 1203d 💬 3 [689d]
INFO: task hung in blkdev_fallocate block C error error 2060 11d 1238d PATCH [970d]
KASAN: use-after-free Read in __dev_queue_xmit (5) block C unreliable error 49 449d 1329d
INFO: task hung in blkdev_put (4) block C done error 486 439d 1695d
WARNING in get_probe_ref block trace C done error 16 43d 1833d 💬 9 [38d]
moderation (15):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in _copy_to_iter / memcpy_and_pad block 2 3d04h 4d11h
KCSAN: data-race in blk_mq_dispatch_rq_list / blk_mq_dispatch_rq_list (9) block 1 8d07h 8d06h
KCSAN: data-race in bdev_statx / queue_limits_commit_update block 1 17d 17d
KCSAN: data-race in _copy_to_iter / fat_mirror_bhs block 1 20d 20d
KCSAN: data-race in blkdev_open / queue_limits_commit_update block 4 21h59m 21d
general protection fault in zcomp_available_show block 1 30d 26d
KCSAN: data-race in lo_ioctl / loop_queue_rq (5) block 1 44d 44d
KCSAN: data-race in __bio_queue_enter / blk_mq_unfreeze_queue_nomemrestore block 1 49d 49d
KCSAN: data-race in __mod_timer / blk_add_timer (11) block 3 26d 62d
KCSAN: data-race in data_push_tail / vsnprintf (9) block netfilter 38 47m 93d
KCSAN: data-race in delete_from_page_cache_batch / nr_blockdev_pages (12) block 22 3d12h 225d
KCSAN: data-race in data_alloc / data_push_tail (3) block 28 4d21h 259d
KCSAN: data-race in do_mpage_readpage / set_blocksize (8) block 77 31d 334d
KCSAN: data-race in data_push_tail / number (4) block 103 15h09m 534d
KCSAN: data-race in delete_from_page_cache_batch / folio_mapping (2) block 133 3d03h 535d