syzbot

 sign-in | mailing list | source | docs
🐞 Open [1252]
≡ Subsystems
🐞 Fixed [5698]
🐞 Invalid [13880]
⬇ Missing Backports [97]
Kernel Health Bugs/Month Bug Lifetimes Fuzzing Crashes
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:io-uring (drop)
Title Repro Cause bisect Fix bisect Count Last Reported Patched Closed Patch
general protection fault in vma_is_shmem io-uring mm C error 28 774d 776d 1/28 never mm/gup.c: Fix return value for __gup_longterm_locked()
INFO: task hung in io_sq_thread_stop fs io-uring C done 211 1327d 1487d 1/28 never io_uring: don't sleep schedule in SQPOLL thread if we need to park
INFO: rcu detected stall in sys_io_uring_enter (2) io-uring 34 2d15h 15d 27/28 never eac2ca2d682f io_uring: check if we need to reschedule during overflow flush
WARNING in io_sq_offload_create io-uring C 284 10d 15d 26/28 never a09c17240bdf io_uring/sqpoll: retain test for whether the CPU is valid
KCSAN: data-race in io_sq_thread / io_sq_thread_park (9) io-uring 1 57d 53d 28/28 2d00h e4956dc7a84d io_uring/sqpoll: annotate debug task == current with data_race()
KMSAN: uninit-value in io_req_task_work_add_remote io-uring C 10 71d 73d 27/28 43d 0db4618e8fab io_uring/msg_ring: fix uninitialized use of target_req->flags
general protection fault in tomoyo_socket_bind_permission io-uring C 4 84d 84d 27/28 52d ad00e629145b io_uring/net: check socket is valid in io_bind()/io_listen()
general protection fault in __io_remove_buffers io-uring C done 3 80d 79d 27/28 52d bcc87d978b83 io_uring: fix error pbuf checking
WARNING in io_cqring_event_overflow (2) io-uring 16 96d 95d 27/28 52d 3b7c16be30e3 io_uring/msg_ring: fix overflow posting
KMSAN: uninit-value in io_req_cqe_overflow (3) io-uring C 16 113d 113d 26/28 71d 18414a4a2eab io_uring/net: assign kmsg inq/flags before buffer selection
KMSAN: uninit-value in io_issue_sqe io-uring 2 117d 131d 25/28 116d 18414a4a2eab io_uring/net: assign kmsg inq/flags before buffer selection
KMSAN: uninit-value in io_sendrecv_fail io-uring C 29 196d 203d 25/28 178d e21e1c45e1fe io_uring: clear opcode specific data for an early failure
KMSAN: uninit-value in io_rw_fail (2) io-uring 1 242d 238d 25/28 233d 0a535eddbe0d io_uring/rw: ensure io->bytes_done is always initialized
KMSAN: uninit-value in io_rw_fail io-uring C 25 249d 265d 25/28 246d 0a535eddbe0d io_uring/rw: ensure io->bytes_done is always initialized
WARNING in get_pte_pfn mm io-uring C error 2 278d 288d 25/28 248d c28ac3c7eb94 mm/mglru: skip special VMAs in lru_gen_look_around()
BUG: unable to handle kernel NULL pointer dereference in __io_remove_buffers (2) io-uring 86 364d 369d 25/28 289d f8024f1f36a3 io_uring/kbuf: don't allow registered buffer rings on highmem pages
UBSAN: array-index-out-of-bounds in io_setup_async_msg io-uring C done 3 389d 388d 25/28 289d c21a8027ad8a io_uring/net: fix iter retargeting for selected buf
general protection fault in io_get_cqe_overflow io-uring C done 2 371d 369d 25/28 289d 1658633c0465 io_uring: ensure io_lockdep_assert_cq_locked() handles disabled rings
general protection fault in io_sqpoll_wq_cpu_affinity io-uring 33 393d 404d 23/28 359d bd6fc5da4c51 io_uring: Don't set affinity on a dying sqpoll thread
general protection fault in io_uring_show_fdinfo io-uring C done 17 391d 399d 23/28 359d 32f5dea040ee io_uring/fdinfo: only print ->sq_array[] if it's there
WARNING in io_get_cqe_overflow io-uring 1 622d 621d 22/28 485d e12d7a46f65a io_uring/msg_ring: fix missing lock on overflow for IOPOLL
WARNING in io_cqring_event_overflow io-uring C 7 624d 632d 22/28 485d 544d163d659d io_uring: lock overflowing for IOPOLL
memory leak in io_submit_sqes (4) io-uring C 1 636d 635d 22/28 485d febb985c06cb io_uring/poll: add hash if ready poll request can't complete inline
WARNING in io_sync_cancel io-uring C error 3 658d 654d 22/28 485d 23fffb2f09ce io_uring/cancel: re-grab ctx mutex after finishing wait
WARNING in io_cqring_overflow_flush io-uring C 2 658d 654d 22/28 485d 52ea806ad983 io_uring: finish waiting before flushing overflow entries
KASAN: use-after-free Read in io_worker_get io-uring C done done 5 600d 635d 22/28 485d e6db6f9398da io_uring/io-wq: only free worker if it was allocated for creation
KASAN: use-after-free Read in io_wq_worker_wake io-uring C done done 1 602d 635d 22/28 485d e6db6f9398da io_uring/io-wq: only free worker if it was allocated for creation
KASAN: wild-memory-access Read in io_wq_worker_running io-uring C 39 630d 637d 22/28 485d e6db6f9398da io_uring/io-wq: only free worker if it was allocated for creation
KASAN: use-after-free Read in tty_release io-uring serial C done 23 917d 927d 22/28 589d d89a4fac0fbc io_uring: fix assuming triggered poll waitqueue is the single poll
KASAN: use-after-free Read in pty_close serial io-uring fuse C done 4 793d 821d 22/28 589d 7a121ced6e64 io_uring: don't miss setting REQ_F_DOUBLE_POLL
KASAN: slab-out-of-bounds Read in io_uring_show_fdinfo io-uring C done 5 720d 726d 22/28 589d 00927931cb63 io_uring: fix fdinfo sqe offsets calculation
kernel BUG in commit_creds io-uring C done 5 900d 904d 22/28 589d 701521403cfb io_uring: abort file assignment prior to assigning creds
inconsistent lock state in kmem_cache_alloc io-uring C 4 733d 739d 22/28 589d b000145e9907 io_uring/rw: defer fsnotify calls to task context
KASAN: null-ptr-deref Write in io_file_get_normal io-uring fs C done 107 834d 918d 22/28 589d d5361233e9ab io_uring: drop the old style inflight file tracking
memory leak in iovec_from_user fs io-uring C 1 906d 902d 22/28 589d 323b190ba2de io_uring: free iovec if file assignment fails
WARNING in inet_csk_destroy_sock (2) io-uring net C done 8 637d 724d 22/28 589d e0833d1fedb0 dccp/tcp: Fixup bhash2 bucket when connect() fails.
WARNING in io_req_complete_failed io-uring C error 2 680d 676d 22/28 589d c06c6c5d2767 io_uring: always lock in io_apoll_task_func
WARNING: ODEBUG bug in kvm_xen_vcpu_set_attr kvm io-uring C done 4 796d 849d 22/28 589d af735db31285 KVM: x86/xen: Initialize Xen timer only once c03689913635 KVM: x86/xen: Stop Xen timer before changing IRQ
WARNING in __split_huge_page_tail arch mm io-uring C error 155 638d 710d 22/28 589d 5aae9265ee1a mm: prep_compound_tail() clear page->private
KASAN: use-after-free Write in io_sendrecv_fail io-uring C 75 720d 743d 22/28 589d a75155faef4e io_uring/net: fix UAF in io_sendrecv_fail()
KASAN: use-after-free Read in add_wait_queue fs io-uring C done done 13 921d 928d 22/28 589d d89a4fac0fbc io_uring: fix assuming triggered poll waitqueue is the single poll
BUG: unable to handle kernel NULL pointer dereference in io_do_iopoll fs io-uring C done 3 872d 871d 22/28 589d aa184e8671f0 io_uring: don't attempt to IOPOLL for MSG_RING requests
KASAN: use-after-free Read in __io_remove_buffers io-uring C done 2 791d 787d 22/28 589d ec8516f3b7c4 io_uring: fix free of unallocated buffer list
KASAN: use-after-free Read in filp_close io-uring fs C done 17 630d 859d 22/28 589d 40a1926022d1 fix the breakage in close_fd_get_file() calling conventions change
BUG: Bad page map (5) mm io-uring C 35 630d 888d 22/28 589d 4d24de9425f7 mm: MADV_COLLAPSE: refetch vm_end after reacquiring mmap_lock
KASAN: use-after-free Read in inet_bind2_bucket_find io-uring net C done 13 844d 850d 22/28 589d 593d1ebe00a4 Revert "net: Add a second bind table hashed by port and address"
WARNING: still has locks held in io_ring_submit_lock fs io-uring C done 3 873d 874d 22/28 589d e7637a492b9f io_uring: fix locking state for empty buffer group
KASAN: invalid-free in io_clean_op io-uring C 13 723d 740d 22/28 589d 4c17a496a7a0 io_uring/net: fix cleanup double free free_iov init
general protection fault in io_uring_register fs io-uring syz done 1 1121d 1117d 20/28 941d 41d3a6bd1d37 io_uring: pin SQPOLL data before unlocking ring lock
KASAN: use-after-free Write in io_queue_worker_create fs io-uring C unreliable 132 1024d 1034d 20/28 941d 71a85387546e io-wq: check for wq exit after adding new worker task_work e47498afeca9 io-wq: remove spurious bit clear on task_work addition
INFO: task hung in io_uring_del_tctx_node io-uring fs C unreliable 37 944d 1107d 20/28 941d 8bab4c09f24e io_uring: allow conditional reschedule for intensive iterators
possible deadlock in io_worker_cancel_cb fs io-uring C done 9 1023d 1027d 20/28 941d d800c65c2d4e io-wq: drop wqe lock before creating new worker
BUG: unable to handle kernel paging request in __blk_mq_alloc_requests io-uring block C unreliable 107 1060d 1069d 20/28 941d a22c00be90de block: assign correct tag before doing prefetch of request
INFO: task hung in io_uring_try_cancel_requests fs io-uring C error 41 1031d 1073d 20/28 941d f75d118349be io_uring: harder fdinfo sq/cq ring iterating
WARNING in signalfd_cleanup fs io-uring C done 201 988d 1004d 20/28 941d 791f3465c4af io_uring: fix UAF due to missing POLLFREE handling
INFO: task hung in io_uring_cancel_generic (2) io-uring fs C done 97 1025d 1052d 20/28 941d 78a780602075 io_uring: ensure task_work gets run as part of cancelations
INFO: rcu detected stall in io_wqe_worker (2) fs io-uring C done 2 1074d 1074d 20/28 941d c5e0321e43de Revert "devlink: Remove not-executed trap policer notifications"
possible deadlock in io_poll_double_wake (3) io-uring fs C error done 703 997d 1270d 20/28 941d aa43477b0402 io_uring: poll rework
INFO: task hung in io_wqe_worker fs io-uring C unreliable 3 1083d 1079d 20/28 941d 1d5f5ea7cb7d io-wq: remove worker to owner tw dependency
WARNING in io_link_timeout_fn fs io-uring C done 2 1242d 1241d 20/28 1060d 447c19f3b507 io_uring: fix ltout double free on completion race
general protection fault in io_commit_cqring (2) fs io-uring C done 82 1272d 1286d 20/28 1060d 51520426f4bc io_uring: handle setup-failed ctx in kill_timeouts
INFO: task hung in io_sq_thread_park (2) fs io-uring syz done 2 1182d 1178d 20/28 1060d 46fee9ab02cb io_uring: remove double poll entry on arm failure
INFO: task hung in __io_uring_cancel fs io-uring C done 5 1198d 1264d 20/28 1060d 28090c133869 io_uring: fix work_exit sqpoll cancellations
memory leak in create_io_worker io-uring fs C 5 1083d 1122d 20/28 1060d 66e70be72288 io-wq: fix memory leak in create_io_worker()
WARNING in io_wqe_enqueue io-uring fs C done 13 1219d 1219d 20/28 1060d e6ab8991c5d0 io_uring: fix false WARN_ONCE
WARNING in io_poll_double_wake fs io-uring C done done 1124 1162d 1263d 20/28 1060d a890d01e4ee0 io_uring: fix poll requests leaking second poll entries
INFO: task hung in io_wq_put_and_exit io-uring fs C unreliable 628 1061d 1122d 20/28 1060d 3b33e3f4a6c0 io-wq: fix silly logic error in io_task_work_match()
general protection fault in try_grab_compound_head mm io-uring C done 5 1161d 1190d 20/28 1060d d08af0a59684 mm/hugetlb: fix refs calculation from unaligned @vaddr
BUG: unable to handle kernel NULL pointer dereference in kiocb_done fs io-uring C unreliable done 3 1128d 1127d 20/28 1060d b8ce1b9d25cc io_uring: don't submit half-prepared drain request
WARNING in io_try_cancel_userdata fs io-uring syz unreliable 4 1135d 1139d 20/28 1060d dadebc350da2 io_uring: fix io_try_cancel_userdata race for iowq
general protection fault in __io_file_supports_nowait fs io-uring C done done 13 1125d 1130d 20/28 1060d c6d3d9cbd659 io_uring: fix queueing half-created requests
INFO: task hung in io_uring_cancel_generic io-uring fs C unreliable 151 1060d 1182d 20/28 1060d 1b48773f9fd0 io_uring: fix io_drain_req()
general protection fault in sock_from_file net io-uring C inconclusive 78 1124d 1131d 20/28 1060d c6d3d9cbd659 io_uring: fix queueing half-created requests
WARNING in io_rsrc_node_switch io-uring fs C done 174 1245d 1255d 20/28 1060d 47b228ce6f66 io_uring: fix unchecked error in switch_start()
WARNING in io_wq_submit_work (2) io-uring fs C done done 52 1119d 1122d 20/28 1060d 713b9825a4c4 io-wq: fix cancellation on create-worker failure
KASAN: stack-out-of-bounds Read in iov_iter_revert fs io-uring C error 14 1133d 1150d 20/28 1060d 89c2b3b74918 io_uring: reexpand under-reexpanded iters
WARNING in io_wq_put fs io-uring C unreliable 3 1294d 1306d 20/28 1060d f5d2d23bf0d9 io-wq: fix race around pending work on teardown
WARNING in io_uring_setup (2) fs io-uring C done 40 1245d 1255d 20/28 1060d 47b228ce6f66 io_uring: fix unchecked error in switch_start()
KASAN: use-after-free Read in idr_for_each (2) io-uring fs C error done 86 1299d 1461d 20/28 1264d 61cf93700fe6 io_uring: Convert personality_idr to XArray
INFO: task hung in io_uring_cancel_task_requests fs io-uring C 305 1299d 1333d 20/28 1274d 34343786ecc5 io_uring: unpark SQPOLL thread for cancelation
INFO: task hung in io_sq_thread_park fs io-uring C unreliable 263 1309d 1314d 20/28 1274d 3ebba796fa25 io_uring: ensure that SQPOLL thread is started for exit
memory leak in io_submit_sqes (2) fs io-uring C 1 1312d 1311d 20/28 1274d f01272541d2c io-wq: ensure all pending work is canceled on exit
possible deadlock in io_poll_double_wake (2) io-uring fs C error error 431 1274d 1467d 20/28 1274d 1c3b3e6527e5 io_uring: ignore double poll add on the same waitqueue head
inconsistent lock state in io_dismantle_req fs io-uring C 2 1342d 1342d 20/28 1274d 9ae1f8dd372e io_uring: fix inconsistent lock state
WARNING in io_uring_flush fs io-uring C unreliable 10 1349d 1358d 19/28 1305d 4325cb498cb7 io_uring: fix uring_flush in exit_files() warning
INFO: task hung in __io_uring_files_cancel io-uring fs C done 30 1346d 1413d 19/28 1305d bee749b187ac io_uring: fix files cancellation
general protection fault in io_disable_sqo_submit fs io-uring C done 124 1357d 1361d 19/28 1305d b4411616c26f io_uring: fix null-deref in io_disable_sqo_submit
WARNING in io_uring_cancel_task_requests io-uring fs syz done 69 1342d 1345d 19/28 1305d 70b2c60d3797 io_uring: fix sqo ownership false positive warning
BUG: corrupted list in io_file_get fs io-uring C done 3 1345d 1345d 19/28 1305d f609cbb8911e io_uring: fix list corruption for splice file_get
KASAN: null-ptr-deref Write in kthread_use_mm fs io-uring C done 2 1433d 1433d 15/28 1415d 4b70cf9dea4c io_uring: ensure consistent view of original task ->mm from SQPOLL
KASAN: use-after-free Write in io_submit_sqes fs io-uring C error 2 1433d 1431d 15/28 1415d cb8a8ae31074 io_uring: drop req/tctx io_identity separately
KASAN: use-after-free Read in io_wqe_worker fs io-uring C error 2 1468d 1470d 15/28 1419d c4068bf898dd io-wq: fix use-after-free in io_wq_worker_running
inconsistent lock state in xa_destroy io-uring fs C 755 1457d 1458d 15/28 1419d ca6484cd308a io_uring: no need to call xa_destroy() on empty xarray
INFO: task hung in io_uring_flush io-uring fs C done done 11 1509d 1517d 15/28 1419d b7ddce3cbf01 io_uring: fix cancel of deferred reqs with ->files
KASAN: use-after-free Write in io_wq_worker_running io-uring fs C error 14 1462d 1488d 15/28 1419d c4068bf898dd io-wq: fix use-after-free in io_wq_worker_running
general protection fault in io_poll_double_wake (2) fs io-uring C error 2 1469d 1468d 15/28 1445d 8706e04ed7d6 io_uring: always delete double poll wait entry on match
KASAN: use-after-free Read in do_madvise io-uring mm syz error 4 1504d 1505d 15/28 1464d 7867fd7cc44e mm: madvise: fix vma user-after-free
possible deadlock in __lock_task_sighand io-uring C done 12 1495d 1497d 15/28 1471d fd7d6de22414 io_uring: don't recurse on tsk->sighand->siglock with signalfd
possible deadlock in __io_queue_deferred fs io-uring C error 1 1518d 1517d 15/28 1479d 7271ef3a93a8 io_uring: fix recursive completion locking on oveflow flush
BUG: unable to handle kernel NULL pointer dereference in loop_rw_iter io-uring fs C done 24 1505d 1516d 15/28 1479d 2dd2111d0d38 io_uring: Fix NULL pointer dereference in loop_rw_iter()
KASAN: use-after-free Read in io_async_task_func fs io-uring syz error 1 1516d 1516d 15/28 1479d 6d816e088c35 io_uring: hold 'ctx' reference around task_work queue + execute
memory leak in io_submit_sqes fs io-uring C 2 1497d 1516d 15/28 1479d a36da65c4656 io_uring: fail poll arm on queue proc failure
general protection fault in io_poll_double_wake io-uring fs C done 8 1484d 1511d 15/28 1479d d4e7cd36a90e io_uring: sanitize double poll handling
possible deadlock in io_timeout_fn io-uring fs C done 4 1514d 1517d 15/28 1479d 51a4cc112c7a io_uring: defer file table grabbing request cleanup for locked requests