syzbot

 sign-in | mailing list | source | docs | 🏰
🐞 Open [1385]
≡ Subsystems
🐞 Fixed [7031]
🐞 Invalid [18380]
⬇ Missing Backports [223]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
✨ AI
💬 Send us feedback

Applied filters: Label=subsystems:block (drop)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Closed Patch
possible deadlock in blkdev_read_iter block 4 C 11 59d 68d 28/29 never b5cbacd7f86f procfs: avoid fetching build ID while holding VMA lock
general protection fault in bio_alloc_bioset block 2 syz error 5 9d21h 12d 2/29 never block: fix bio_alloc_bioset slowpath GFP handling
kernel BUG in bio_chain gfs2 block -1 C error 5696 71d 115d 28/29 never 4a94f052e098 gfs2: Initialize bio->bi_opf early
general protection fault in bio_seg_gap block 2 C done 231 141d 139d 29/29 57d fd9ecd005252 block: fix merging data-less bios
WARNING in __blk_add_trace trace block -1 C done 94 155d 159d 29/29 84d 4a0940bdcac2 blktrace: use debug print to report dropped events
memory leak in __blkdev_issue_zero_pages block udf 3 syz 1 122d 118d 29/29 84d f7e3f852a42d block: fix memory leak in __blkdev_issue_zero_pages
general protection fault in blk_mq_free_tags_callback block 2 C 3 191d 191d 29/29 154d 670bfe683850 blk-mq: fix null-ptr-deref in blk_mq_free_tags() from error path
WARNING in bdev_count_inflight_rw block -1 2 278d 278d 29/29 193d c007062188d8 block: fix false warning in bdev_count_inflight_rw()
possible deadlock in bdev_release block 4 11 242d 285d 29/29 209d 8b428f42f3ed nbd: fix lockdep deadlock warning
KASAN: slab-use-after-free Read in disk_add_events fuse block 19 C 4 246d 246d 29/29 209d 1df1fc845d22 md: fix create on open mddev lifetime regression
BUG: sleeping function called from invalid context in __xas_nomem (2) block 5 1 282d 278d 29/29 209d 0d519bb0de3b brd: fix sleeping function called from invalid context in brd_insert_page()
possible deadlock in blk_mq_freeze_queue_nomemsave block 4 C done 7798 291d 366d 29/29 238d 4bb08cf974c5 loop: move lo_set_size() out of queue freeze
possible deadlock in loop_set_status block 4 C done 20143 286d 494d 29/29 238d 4bb08cf974c5 loop: move lo_set_size() out of queue freeze
BUG: unable to handle kernel NULL pointer dereference in lo_rw_aio block 10 C 10 334d 342d 29/29 268d f5c84eff634b loop: Add sanity check for read/write_iter
possible deadlock in pcpu_alloc_noprof block 4 C 257 295d 549d 28/29 295d 677bdb7346b6 bcachefs: Fix deadlock
possible deadlock in elv_iosched_store block 4 C 56 310d 369d 28/29 295d 01b91bf14f6d block: don't grab elevator lock during queue initialization
possible deadlock in blk_unregister_queue block 4 29 438d 492d 28/29 330d b769a2f409e7 blktrace: move copy_[to|from]_user() out of ->debugfs_lock
INFO: rcu detected stall in aoecmd_cfg (2) usb block 1 C done 7 580d 693d 28/29 526d 9313d139aa25 usb: gadget: dummy_hcd: execute hrtimer callback in softirq context
KASAN: slab-use-after-free Read in percpu_ref_put block 19 18 547d 617d 28/29 545d 0b50b7313ef2 bcachefs: Fix refcounting in discard path
WARNING in blk_rq_map_user_iov block -1 C done 3546 794d 936d 25/29 733d 13f3956eb568 block: Fix WARNING in _copy_from_iter
WARNING in copy_page_from_iter block -1 C done 1987 802d 1114d 25/29 733d 13f3956eb568 block: Fix WARNING in _copy_from_iter
general protection fault in bio_first_folio block 2 C done 683 804d 838d 25/29 792d 7bed6f3d08b7 block: Fix iterating over an empty bio with bio_for_each_folio_all
BUG: unable to handle kernel NULL pointer dereference in __bio_release_pages block 10 C 6 809d 806d 25/29 792d 7bed6f3d08b7 block: Fix iterating over an empty bio with bio_for_each_folio_all
WARNING in blk_mq_start_request block -1 C done 29 860d 876d 25/29 802d 53f2bca26092 block/null_blk: Fix double blk_mq_start_request() warning
kernel BUG in __block_write_begin_int block -1 C done 14 922d 940d 25/29 833d 4aa8cdd5e523 iomap: handle error conditions more gracefully in iomap_to_bh
INFO: task hung in clean_bdev_aliases block 1 C done 201 914d 940d 25/29 833d 381c043233e6 iomap: add a workaround for racy i_size updates on block devices
KASAN: slab-out-of-bounds Read in bio_split_rw block 17 C done 1 1007d 1003d 23/29 902d 0b7ec177b589 crypto: algif_hash - Fix race between MORE and non-MORE sends
WARNING in blkdev_put (3) block -1 C done 377 1016d 1019d 23/29 916d c576c4bf9ecf reiserfs: fix blkdev_put() warning from release_journal_dev()
WARNING in blkdev_get_by_dev block -1 C done 45 1015d 1019d 23/29 916d 985958b8584c block: fix wrong mode for blkdev_get_by_dev() from disk_scan_partitions()
KASAN: user-memory-access Write in zram_slot_lock block 21 C done 3 1045d 1045d 22/29 1005d 3eb96946f0be block: make bio_check_eod work for zero sized devices
WARNING in blkdev_put (2) block -1 C unreliable 250 1104d 1132d 22/29 1028d 428913bce1e6 block: fix wrong mode for blkdev_put() from disk_scan_partitions()
WARNING in _copy_from_iter block tipc -1 C error 32057 1116d 1210d 22/29 1028d 11a4d6f67cf5 tipc: fix kernel warning when sending SYN message
KASAN: use-after-free Read in delete_partition (2) block 19 C done 1 1829d 1828d 22/29 1085d b5cfbd35ecca block: check disk exist before trying to add partition
general protection fault in blk_mq_update_nr_hw_queues block 2 C error 16 1230d 1242d 22/29 1132d 90b0296ece4b block: fix crash in 'blk_mq_elv_switch_none'
KASAN: use-after-free Read in bio_poll block 19 C done 6 1423d 1423d 22/29 1132d 9650b453a3d4 block: ignore RWF_HIPRI hint for sync dio
BUG: sleeping function called from invalid context in blk_mq_release block 5 1 1462d 1462d 22/29 1132d d578c770c852 block: avoid calling blkg_free() in atomic context
KASAN: use-after-free Read in setup_rw_floppy block 19 3 1503d 1519d 22/29 1132d 233087ca0636 floppy: disable FDRAWCMD by default
memory leak in blk_iolatency_init (2) block cgroups 3 C 131 1274d 1481d 22/29 1132d daaca3522a8e block: release rq qos structures for queue without disk
upstream boot error: general protection fault in enqueue_entity block -1 1 1324d 1324d 22/29 1132d 9993a4f989c7 virtio: Revert "virtio: find_vqs() add arg sizes"
general protection fault in submit_bio_checks block btrfs 2 C done 1258 1499d 1522d 22/29 1132d 78e3437450be block: call bio_associate_blkg from bio_reset
possible deadlock in blkdev_put (3) block exfat 4 C 870 1409d 1481d 22/29 1132d d292dc80686a loop: don't destroy lo->workqueue in __loop_clr_fd
upstream boot error: BUG: unable to handle kernel paging request in blk_mq_get_tag block -1 1 1327d 1327d 22/29 1132d 9993a4f989c7 virtio: Revert "virtio: find_vqs() add arg sizes"
WARNING in blk_mq_release block -1 C error 11 1313d 1332d 22/29 1132d aa0c680c3aa9 block: Do not call blk_put_queue() if gendisk allocation fails
KASAN: use-after-free Read in blk_mq_sched_free_rqs block 19 C error 8 1380d 1429d 22/29 1132d 50e34d78815e block: disable the elevator int del_gendisk
upstream boot error: general protection fault in blk_mq_alloc_and_init_hctx block -1 1 1327d 1327d 22/29 1132d 9993a4f989c7 virtio: Revert "virtio: find_vqs() add arg sizes"
memory leak in blk_mq_init_tags block usb 3 C 2 1459d 1466d 22/29 1132d 03252259e18e scsi: sd: Clean up gendisk if device_add_disk() failed
general protection fault in __loop_clr_fd block 2 C done 5702 2189d 2217d 20/29 1413d 87579e9b7d8d loop: use worker per cgroup instead of kworker
memory leak in blk_iolatency_init block cgroups 3 C 833 1485d 1661d 20/29 1485d 6f5ddde41069 blkcg: fix memory leak in blk_iolatency_init
possible deadlock in __loop_clr_fd (3) block 4 2972 1540d 1603d 20/29 1485d 6050fa4c84cc loop: don't hold lo_mutex during __loop_clr_fd()
KASAN: use-after-free Read in srcu_invoke_callbacks block 19 syz error 4 1529d 1541d 20/29 1485d 850fd2abbe02 block: cleanup q->srcu
KCSAN: data-race in sbitmap_queue_clear / sbitmap_queue_clear (3) block 6 5 1613d 1619d 20/29 1485d 9f8b93a7df4d sbitmap: silence data race warning
general protection fault in set_task_ioprio block 2 C done 19 1562d 1563d 20/29 1485d a957b61254a7 block: fix error in handling dead task for ioprio setting
linux-next boot error: general protection fault in blk_mq_free_request block -1 6 1625d 1625d 20/29 1485d e0d78afeb8d1 block: fix too broad elevator check in blk_mq_free_request()
KASAN: use-after-free Read in disk_release_events block fuse exfat 19 syz inconclusive 1 1573d 1569d 20/29 1485d 99d8690aae4b block: fix error unwinding in device_add_disk
WARNING in nbd_dev_add (2) block -1 4 1602d 1599d 20/29 1485d 278167fd2f8f block: add __must_check for *add_disk*() callers
KASAN: use-after-free Read in blk_mq_sched_tags_teardown block usb 19 C done 6 1622d 1620d 20/29 1485d 8bdf7b3fe1f4 blk-mq-sched: Don't reference queue tagset in blk_mq_sched_tags_teardown()
BUG: unable to handle kernel paging request in __blk_mq_alloc_requests io-uring block 19 C unreliable 107 1604d 1612d 20/29 1485d a22c00be90de block: assign correct tag before doing prefetch of request
possible deadlock in blkdev_put (2) exfat block 4 C done 502 1485d 1586d 20/29 1485d 322c4293ecc5 loop: make autoclear operation asynchronous
INFO: task can't die in blk_mq_freeze_queue_wait block 1 221 1591d 1599d 20/29 1485d 95febeb61bf8 block: fix missing queue put in error path
INFO: task can't die in __bio_queue_enter block 1 185 1591d 1598d 20/29 1485d 10f7335e3627 blk-mq: don't grab ->q_usage_counter in blk_mq_sched_bio_merge
KASAN: use-after-free Read in bdev_free_inode block 19 syz error 7 1636d 1655d 20/29 1485d 06cc978d3ff2 block: genhd: fix double kfree() in __alloc_disk_node()
WARNING in blk_rq_append_bio block usb -1 C done 6 1815d 1780d 20/29 1604d cbb749cf377a block: remove an incorrect check from blk_rq_append_bio
possible deadlock in __loop_clr_fd (2) block ext4 4 C unreliable 6977 1604d 1729d 20/29 1604d 1c500ad70638 loop: reduce the loop_ctl_mutex scope
KASAN: use-after-free Read in disk_part_iter_next (2) block 19 C done 327 1826d 1844d 20/29 1604d e82fc7855749 block: don't create too many partitions
INFO: task hung in del_gendisk block 1 C done 5 1692d 1725d 20/29 1604d 68c9417b193d nbd: do del_gendisk() asynchronously for NBD_DESTROY_ON_DISCONNECT
KASAN: use-after-free Read in blk_mq_exit_sched usb block 19 C done 9 1743d 1758d 20/29 1604d f0c1c4d2864e blk-mq: fix use-after-free in blk_mq_exit_sched
WARNING in nbd_dev_add block -1 C inconclusive 131 1605d 1864d 20/29 1604d b1a811633f73 block: nbd: add sanity check for first_minor
general protection fault in blk_mq_run_hw_queues block 11 C unreliable 305 1684d 1732d 20/29 1604d 16ad3db3b24c nbd: fix order of cleaning up the queue and freeing the tagset
WARNING: suspicious RCU usage in kernfs_find_and_get_ns block 4 1 1751d 1751d 20/29 1604d 3066820034b5 rcu: Reject RCU_LOCKDEP_WARN() false positives
general protection fault in do_blk_trace_setup block trace 2 C done 25 1679d 1681d 20/29 1604d 1d1cf156dc17 sg: pass the device name to blk_trace_setup
possible deadlock in bd_register_pending_holders block 4 3 1610d 1664d 20/29 1604d dfbb3409b27f block: genhd: don't call blkdev_show() with major_names_lock held
general protection fault in wb_timer_fn block exfat 2 C done 60 1681d 1691d 20/29 1604d d152c682f03c block: add an explicit ->disk backpointer to the request_queue
KASAN: use-after-free Read in disk_part_iter_next block 19 C unreliable 243 1849d 1937d 19/29 1849d aebf5db91705 block: fix use-after-free in disk_part_iter_next
KMSAN: kernel-infoleak in scsi_cmd_ioctl block 9 131 1966d 2039d 15/29 1962d 6d53a9fe5a19 block/scsi-ioctl: Fix kernel-infoleak in scsi_put_cdrom_generic_arg()
KASAN: use-after-free Read in delete_partition block 19 C done done 3 2038d 2035d 15/29 1962d 08fc1ab6d748 block: fix locking in bdev_del_partition
KASAN: use-after-free Read in bdev_del_partition block 19 C done 1 2039d 2039d 15/29 2015d 08fc1ab6d748 block: fix locking in bdev_del_partition
INFO: task hung in blkdev_issue_flush (2) block 1 C done error 3 2307d 2465d 15/29 2101d 2b5c8f0063e4 nbd: replace kill_bdev() with __invalidate_device() again
memory leak in bio_clone_fast block 3 C 1 2423d 2423d 15/29 2101d 7b6620d7db56 block: remove REQ_NOWAIT_INLINE
WARNING: refcount bug in blk_mq_free_request (2) block 13 C done error 5 2431d 2431d 15/29 2101d de6346ecbc8f nbd: protect cmd->status with cmd->lock
KASAN: null-ptr-deref Write in blk_mq_map_swqueue block 12 C done 3 2197d 2197d 15/29 2106d d0930bb8f46b blk-mq: Fix a recently introduced regression in blk_mq_realloc_hw_ctxs()
WARNING in __blk_mq_delay_run_hw_queue block -1 C done error 6 2265d 2371d 15/29 2152d 6e66b4939241 blk-mq: Keep set->nr_hw_queues and set->map[].nr_queues in sync
KASAN: use-after-free Read in percpu_ref_switch_to_atomic_rcu block 19 5 2223d 2245d 15/29 2177d c1e2148f8ecb io_uring: free fixed_file_data after RCU grace period
KCSAN: data-race in process_srcu / synchronize_srcu block 6 112 2246d 2340d 15/29 2234d 844a378de337 srcu: Apply *_ONCE() to ->srcu_last_gp_end
BUG: workqueue lockup (4) block -1 C 47 2327d 2733d 15/29 2302d 7e7c005b4b1f rtc: disable uie before setting time and enable after
WARNING in blk_mq_sched_free_requests (2) block -1 7 2377d 2382d 13/29 2360d 284b94be1925 blk-mq: move lockdep_assert_held() into elevator_exit
WARNING in blk_mq_sched_free_requests block -1 C done 4 2484d 2487d 12/29 2457d c326f846ebc2 blk-mq: remove WARN_ON(!q->elevator) from blk_mq_sched_free_requests
KASAN: use-after-free Read in blk_mq_free_rqs block 19 C error 3481 2486d 2491d 12/29 2464d c3e2219216c9 block: free sched's request pool in blk_cleanup_queue
general protection fault in loop_validate_file (2) block 2 3 2569d 2572d 11/29 2557d f7c8a4120eed loop: access lo_backing_file only when the loop device is Lo_bound
WARNING in __flush_work block -1 C 402 2613d 2619d 11/29 2583d 2e3c18d0ada1 block: pass no-op callback to INIT_WORK().
INFO: task hung in lo_ioctl block 1 47 2918d 3034d 11/29 2583d 04906b2f542c blockdev: Fix livelocks on loop device
general protection fault in relay_open_buf trace block 2 C 287 2617d 2618d 11/29 2583d 2c1cf00eeacb relay: check return of create_buf_file() properly
general protection fault in debugfs_create_files block 2 C 111 2617d 2618d 11/29 2583d 36991ca68db9 blk-mq: protect debugfs_create_files() from failures
general protection fault in lo_ioctl (2) block 2 syz 2 2892d 2891d 11/29 2633d 310ca162d779 block/loop: Use global lock for ioctl() operation.
possible deadlock in blkdev_reread_part block 4 C 5736 2652d 3073d 11/29 2633d 0da03cab87e6 loop: Fix deadlock when calling blkdev_reread_part() 85b0a54a82e4 loop: Move loop_reread_partitions() out of loop_ctl_mutex
WARNING: locking bug in loop_control_ioctl block 4 C 4018 2672d 2700d 11/29 2633d 628bd8594709 loop: Fix double mutex_unlock(&loop_ctl_mutex) in loop_control_ioctl()
INFO: task hung in loop_control_ioctl block 1 4 2729d 2923d 11/29 2633d 1dded9acf6dc loop: Avoid circular locking dependency between loop_ctl_mutex and bd_mutex
INFO: task hung in lo_open (2) block 1 10 2694d 2923d 11/29 2633d 1dded9acf6dc loop: Avoid circular locking dependency between loop_ctl_mutex and bd_mutex
INFO: task hung in lo_release block 1 1 2814d 2814d 11/29 2633d 1dded9acf6dc loop: Avoid circular locking dependency between loop_ctl_mutex and bd_mutex
BUG: unable to handle kernel NULL pointer dereference in blk_mq_map_swqueue block 10 C 8 2724d 2744d 11/29 2697d e01ad46d53b5 blk-mq: fallback to previous nr_hw_queues when updating fails
upstream boot error (2) block -1 1 2710d 2710d 11/29 2697d 153fcd5f6d93 block: brd: associate with queue until adding disk
INFO: task hung in blk_queue_enter block 1 C 1595 2823d 2895d 8/29 2823d cd4a4ae4683d block: don't use blocking queue entered for recursive bio submits
INFO: rcu detected stall in blkdev_ioctl block 1 C 249 2854d 3028d 8/29 2823d d2ac838e4cd7 loop: add recursion validation to LOOP_CHANGE_FD
INFO: task hung in blk_freeze_queue block 1 C 188 2825d 2975d 8/29 2823d d2ac838e4cd7 loop: add recursion validation to LOOP_CHANGE_FD
WARNING: lock held when returning to user space! block 4 C 40 2902d 2917d 5/29 2885d bdac616db9bb loop: fix LOOP_GET_STATUS lock imbalance
KASAN: use-after-free Read in disk_unblock_events block 19 C 65 2969d 3075d 5/29 2914d 897366537fb6 genhd: Fix use after free in __blkdev_get()
WARNING in tracepoint_probe_register_prio trace block -1 C 830 2943d 3078d 4/29 2942d a6da0024ffc1 blktrace: fix unlocked registration of tracepoints
WARNING in tracepoint_probe_unregister block trace -1 C 115 2943d 3069d 4/29 2942d a6da0024ffc1 blktrace: fix unlocked registration of tracepoints
WARNING: kmalloc bug in relay_open_buf trace block -1 C 10 2960d 2976d 4/29 2956d 88913bd8ea2a kernel/relay.c: limit kmalloc size to KMALLOC_MAX_SIZE
KASAN: double-free or invalid-free in relay_open trace block 24 C 106 2976d 3074d 4/29 2970d a1be1f3931bf kernel/relay.c: revert "kernel/relay.c: fix potential memory leak"
possible deadlock in blk_trace_remove trace block 4 5 3048d 3055d 3/29 3037d 2967acbb257a blktrace: fix trace mutex deadlock
WARNING in kmalloc_slab (2) block trace -1 C 2478 3064d 3081d 3/29 3064d 864e2a1f8aac ipv6: flowlabel: do not leave opt->tot_len with garbage