syzbot

 sign-in | mailing list | source | docs
🐞 Open [976] ≡ Subsystems 🐞 Fixed [5216] 🐞 Invalid [12471] ⬇ Missing Backports [82] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 💬 Send us feedback

Applied filters: Label=subsystems:block (drop)
Title Repro Cause bisect Fix bisect Count Last Reported Patched Closed Patch
WARNING in blk_rq_map_user_iov block C done 3546 81d 223d 26/26 19d 13f3956eb568 block: Fix WARNING in _copy_from_iter
WARNING in copy_page_from_iter block C done 1987 89d 400d 26/26 19d 13f3956eb568 block: Fix WARNING in _copy_from_iter
general protection fault in bio_first_folio block C done 683 90d 124d 26/26 79d 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 C 6 95d 93d 26/26 79d 7bed6f3d08b7 block: Fix iterating over an empty bio with bio_for_each_folio_all
WARNING in blk_mq_start_request block C done 29 147d 163d 25/26 88d 53f2bca26092 block/null_blk: Fix double blk_mq_start_request() warning
kernel BUG in __block_write_begin_int block C done 14 208d 227d 25/26 119d 4aa8cdd5e523 iomap: handle error conditions more gracefully in iomap_to_bh
INFO: task hung in clean_bdev_aliases block C done 201 200d 226d 25/26 119d 381c043233e6 iomap: add a workaround for racy i_size updates on block devices
KASAN: slab-out-of-bounds Read in bio_split_rw block C done 1 293d 289d 23/26 189d 0b7ec177b589 crypto: algif_hash - Fix race between MORE and non-MORE sends
WARNING in blkdev_put (3) reiserfs block C done 377 302d 306d 23/26 202d c576c4bf9ecf reiserfs: fix blkdev_put() warning from release_journal_dev()
WARNING in blkdev_get_by_dev block C done 45 301d 306d 23/26 202d 985958b8584c block: fix wrong mode for blkdev_get_by_dev() from disk_scan_partitions()
KASAN: user-memory-access Write in zram_slot_lock block reiserfs C done 3 332d 332d 22/26 291d 3eb96946f0be block: make bio_check_eod work for zero sized devices
WARNING in blkdev_put (2) block C unreliable 250 390d 419d 22/26 315d 428913bce1e6 block: fix wrong mode for blkdev_put() from disk_scan_partitions()
WARNING in _copy_from_iter block tipc C error 32057 402d 496d 22/26 315d 11a4d6f67cf5 tipc: fix kernel warning when sending SYN message
KASAN: use-after-free Read in delete_partition (2) block C done 1 1115d 1114d 22/26 371d b5cfbd35ecca block: check disk exist before trying to add partition
general protection fault in blk_mq_update_nr_hw_queues block C error 16 516d 529d 22/26 419d 90b0296ece4b block: fix crash in 'blk_mq_elv_switch_none'
KASAN: use-after-free Read in bio_poll block C done 6 709d 709d 22/26 419d 9650b453a3d4 block: ignore RWF_HIPRI hint for sync dio
BUG: sleeping function called from invalid context in blk_mq_release block 1 748d 748d 22/26 419d d578c770c852 block: avoid calling blkg_free() in atomic context
KASAN: use-after-free Read in setup_rw_floppy block 3 789d 806d 22/26 419d 233087ca0636 floppy: disable FDRAWCMD by default
memory leak in blk_iolatency_init (2) block cgroups C 131 560d 767d 22/26 419d daaca3522a8e block: release rq qos structures for queue without disk
upstream boot error: general protection fault in enqueue_entity block 1 611d 611d 22/26 419d 9993a4f989c7 virtio: Revert "virtio: find_vqs() add arg sizes"
general protection fault in submit_bio_checks block btrfs C done 1258 785d 808d 22/26 419d 78e3437450be block: call bio_associate_blkg from bio_reset
possible deadlock in blkdev_put (3) block C 870 695d 767d 22/26 419d 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 613d 613d 22/26 419d 9993a4f989c7 virtio: Revert "virtio: find_vqs() add arg sizes"
WARNING in blk_mq_release block C error 11 599d 618d 22/26 419d aa0c680c3aa9 block: Do not call blk_put_queue() if gendisk allocation fails
KASAN: use-after-free Read in blk_mq_sched_free_rqs block C error 8 667d 716d 22/26 419d 50e34d78815e block: disable the elevator int del_gendisk
upstream boot error: general protection fault in blk_mq_alloc_and_init_hctx block 1 613d 613d 22/26 419d 9993a4f989c7 virtio: Revert "virtio: find_vqs() add arg sizes"
memory leak in blk_mq_init_tags block usb C 2 746d 752d 22/26 419d 03252259e18e scsi: sd: Clean up gendisk if device_add_disk() failed
general protection fault in __loop_clr_fd block C done 5702 1475d 1503d 20/26 700d 87579e9b7d8d loop: use worker per cgroup instead of kworker
memory leak in blk_iolatency_init block cgroups C 833 772d 947d 20/26 771d 6f5ddde41069 blkcg: fix memory leak in blk_iolatency_init
possible deadlock in __loop_clr_fd (3) block 2972 826d 889d 20/26 771d 6050fa4c84cc loop: don't hold lo_mutex during __loop_clr_fd()
KASAN: use-after-free Read in srcu_invoke_callbacks block syz error 4 816d 828d 20/26 771d 850fd2abbe02 block: cleanup q->srcu
KCSAN: data-race in sbitmap_queue_clear / sbitmap_queue_clear (3) block 5 899d 906d 20/26 771d 9f8b93a7df4d sbitmap: silence data race warning
general protection fault in set_task_ioprio block C done 19 848d 849d 20/26 771d a957b61254a7 block: fix error in handling dead task for ioprio setting
linux-next boot error: general protection fault in blk_mq_free_request block 6 911d 912d 20/26 771d e0d78afeb8d1 block: fix too broad elevator check in blk_mq_free_request()
KASAN: use-after-free Read in disk_release_events block fuse syz inconclusive 1 860d 856d 20/26 771d 99d8690aae4b block: fix error unwinding in device_add_disk
WARNING in nbd_dev_add (2) block 4 888d 886d 20/26 771d 278167fd2f8f block: add __must_check for *add_disk*() callers
KASAN: use-after-free Read in blk_mq_sched_tags_teardown block usb C done 6 908d 906d 20/26 771d 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 C unreliable 107 890d 899d 20/26 771d a22c00be90de block: assign correct tag before doing prefetch of request
possible deadlock in blkdev_put (2) block C done 502 772d 873d 20/26 771d 322c4293ecc5 loop: make autoclear operation asynchronous
INFO: task can't die in blk_mq_freeze_queue_wait block 221 877d 885d 20/26 771d 95febeb61bf8 block: fix missing queue put in error path
INFO: task can't die in __bio_queue_enter block 185 878d 885d 20/26 771d 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 syz error 7 922d 942d 20/26 771d 06cc978d3ff2 block: genhd: fix double kfree() in __alloc_disk_node()
WARNING in blk_rq_append_bio block usb C done 6 1102d 1067d 20/26 890d cbb749cf377a block: remove an incorrect check from blk_rq_append_bio
possible deadlock in __loop_clr_fd (2) block ext4 C unreliable 6977 890d 1015d 20/26 890d 1c500ad70638 loop: reduce the loop_ctl_mutex scope
KASAN: use-after-free Read in disk_part_iter_next (2) block C done 327 1113d 1131d 20/26 890d e82fc7855749 block: don't create too many partitions
INFO: task hung in del_gendisk block C done 5 979d 1012d 20/26 890d 68c9417b193d nbd: do del_gendisk() asynchronously for NBD_DESTROY_ON_DISCONNECT
KASAN: use-after-free Read in blk_mq_exit_sched block usb C done 9 1029d 1044d 20/26 890d f0c1c4d2864e blk-mq: fix use-after-free in blk_mq_exit_sched
WARNING in nbd_dev_add block C inconclusive 131 891d 1151d 20/26 890d b1a811633f73 block: nbd: add sanity check for first_minor
general protection fault in blk_mq_run_hw_queues block C unreliable 305 971d 1018d 20/26 890d 16ad3db3b24c nbd: fix order of cleaning up the queue and freeing the tagset
WARNING: suspicious RCU usage in kernfs_find_and_get_ns block 1 1038d 1038d 20/26 890d 3066820034b5 rcu: Reject RCU_LOCKDEP_WARN() false positives
general protection fault in do_blk_trace_setup block trace C done 25 966d 967d 20/26 890d 1d1cf156dc17 sg: pass the device name to blk_trace_setup
possible deadlock in bd_register_pending_holders block 3 897d 951d 20/26 890d dfbb3409b27f block: genhd: don't call blkdev_show() with major_names_lock held
general protection fault in wb_timer_fn block C done 60 968d 978d 20/26 890d d152c682f03c block: add an explicit ->disk backpointer to the request_queue
KASAN: use-after-free Read in disk_part_iter_next block C unreliable 243 1135d 1223d 19/26 1135d aebf5db91705 block: fix use-after-free in disk_part_iter_next
KMSAN: kernel-infoleak in scsi_cmd_ioctl block 131 1253d 1326d 15/26 1249d 6d53a9fe5a19 block/scsi-ioctl: Fix kernel-infoleak in scsi_put_cdrom_generic_arg()
KASAN: use-after-free Read in delete_partition block C done done 3 1325d 1321d 15/26 1249d 08fc1ab6d748 block: fix locking in bdev_del_partition
KASAN: use-after-free Read in bdev_del_partition block C done 1 1325d 1325d 15/26 1301d 08fc1ab6d748 block: fix locking in bdev_del_partition
INFO: task hung in blkdev_issue_flush (2) block C done error 3 1593d 1752d 15/26 1387d 2b5c8f0063e4 nbd: replace kill_bdev() with __invalidate_device() again
memory leak in bio_clone_fast block C 1 1710d 1709d 15/26 1387d 7b6620d7db56 block: remove REQ_NOWAIT_INLINE
WARNING: refcount bug in blk_mq_free_request (2) block C done error 5 1717d 1717d 15/26 1387d de6346ecbc8f nbd: protect cmd->status with cmd->lock
KASAN: null-ptr-deref Write in blk_mq_map_swqueue block C done 3 1483d 1483d 15/26 1392d d0930bb8f46b blk-mq: Fix a recently introduced regression in blk_mq_realloc_hw_ctxs()
WARNING in __blk_mq_delay_run_hw_queue block C done error 6 1552d 1657d 15/26 1439d 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 5 1509d 1532d 15/26 1463d c1e2148f8ecb io_uring: free fixed_file_data after RCU grace period
KCSAN: data-race in process_srcu / synchronize_srcu block 112 1532d 1627d 15/26 1521d 844a378de337 srcu: Apply *_ONCE() to ->srcu_last_gp_end
BUG: workqueue lockup (4) block C 47 1613d 2020d 15/26 1588d 7e7c005b4b1f rtc: disable uie before setting time and enable after
WARNING in blk_mq_sched_free_requests (2) block 7 1664d 1668d 13/26 1646d 284b94be1925 blk-mq: move lockdep_assert_held() into elevator_exit
WARNING in blk_mq_sched_free_requests block C done 4 1771d 1773d 12/26 1743d 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 C error 3481 1773d 1777d 12/26 1750d c3e2219216c9 block: free sched's request pool in blk_cleanup_queue
general protection fault in loop_validate_file (2) block 3 1855d 1858d 11/26 1844d f7c8a4120eed loop: access lo_backing_file only when the loop device is Lo_bound
WARNING in __flush_work block C 402 1899d 1905d 11/26 1870d 2e3c18d0ada1 block: pass no-op callback to INIT_WORK().
INFO: task hung in lo_ioctl block 47 2204d 2321d 11/26 1870d 04906b2f542c blockdev: Fix livelocks on loop device
general protection fault in relay_open_buf block trace C 287 1903d 1904d 11/26 1870d 2c1cf00eeacb relay: check return of create_buf_file() properly
general protection fault in debugfs_create_files block C 111 1903d 1904d 11/26 1870d 36991ca68db9 blk-mq: protect debugfs_create_files() from failures
general protection fault in lo_ioctl (2) block syz 2 2178d 2178d 11/26 1919d 310ca162d779 block/loop: Use global lock for ioctl() operation.
possible deadlock in blkdev_reread_part block C 5736 1938d 2359d 11/26 1919d 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 C 4018 1959d 1986d 11/26 1919d 628bd8594709 loop: Fix double mutex_unlock(&loop_ctl_mutex) in loop_control_ioctl()
INFO: task hung in loop_control_ioctl block 4 2016d 2209d 11/26 1919d 1dded9acf6dc loop: Avoid circular locking dependency between loop_ctl_mutex and bd_mutex
INFO: task hung in lo_open (2) block 10 1981d 2209d 11/26 1919d 1dded9acf6dc loop: Avoid circular locking dependency between loop_ctl_mutex and bd_mutex
INFO: task hung in lo_release block 1 2101d 2101d 11/26 1919d 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 C 8 2010d 2030d 11/26 1983d e01ad46d53b5 blk-mq: fallback to previous nr_hw_queues when updating fails
upstream boot error (2) block 1 1997d 1997d 11/26 1983d 153fcd5f6d93 block: brd: associate with queue until adding disk
INFO: task hung in blk_queue_enter block C 1595 2109d 2182d 8/26 2109d cd4a4ae4683d block: don't use blocking queue entered for recursive bio submits
INFO: rcu detected stall in blkdev_ioctl block C 249 2140d 2315d 8/26 2109d d2ac838e4cd7 loop: add recursion validation to LOOP_CHANGE_FD
INFO: task hung in blk_freeze_queue block C 188 2111d 2262d 8/26 2109d d2ac838e4cd7 loop: add recursion validation to LOOP_CHANGE_FD
WARNING: lock held when returning to user space! block C 40 2189d 2204d 5/26 2171d bdac616db9bb loop: fix LOOP_GET_STATUS lock imbalance
KASAN: use-after-free Read in disk_unblock_events block C 65 2255d 2361d 5/26 2201d 897366537fb6 genhd: Fix use after free in __blkdev_get()
WARNING in tracepoint_probe_unregister block trace C 115 2229d 2356d 4/26 2229d a6da0024ffc1 blktrace: fix unlocked registration of tracepoints
WARNING in tracepoint_probe_register_prio block trace C 830 2229d 2365d 4/26 2229d a6da0024ffc1 blktrace: fix unlocked registration of tracepoints
WARNING: kmalloc bug in relay_open_buf block trace C 10 2247d 2262d 4/26 2242d 88913bd8ea2a kernel/relay.c: limit kmalloc size to KMALLOC_MAX_SIZE
KASAN: double-free or invalid-free in relay_open block trace C 106 2263d 2361d 4/26 2256d a1be1f3931bf kernel/relay.c: revert "kernel/relay.c: fix potential memory leak"
possible deadlock in blk_trace_remove block trace 5 2334d 2342d 3/26 2323d 2967acbb257a blktrace: fix trace mutex deadlock
WARNING in kmalloc_slab (2) block trace C 2478 2350d 2368d 3/26 2350d 864e2a1f8aac ipv6: flowlabel: do not leave opt->tot_len with garbage