syzbot


Out of 163 bugs, 140 were automatically obsoleted (43 due to revoked reproducers), 23 were invalidated by users.
Applied filters: Label=subsystems:io-uring (drop)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported
KCSAN: data-race in __se_sys_io_uring_enter / io_submit_sqes io-uring 6 1 70d 70d
INFO: task hung in io_uring_register (6) io-uring 1 1 106d 106d
INFO: rcu detected stall in io_fallback_req_func io-uring 1 1 115d 115d
KCSAN: data-race in io_submit_sqes / io_uring_poll (9) io-uring 6 1 82d 82d
INFO: rcu detected stall in io_sq_thread (2) io-uring 1 1 130d 130d
INFO: task hung in io_file_get_fixed io-uring 1 2 174d 186d
WARNING: [time_after(jiffies, timeout)] io_uring/io_uring.c:LINE at io_ring_exit_work, CPU: kworker/u8:NUM/NUM io-uring -1 1 96d 96d
memory leak in iovec_from_user (5) io-uring 3 syz 1 107d 103d
KCSAN: data-race in __io_queue_proc / io_poll_wake (5) io-uring 6 1 161d 161d
memory leak in iovec_from_user (4) io-uring 3 C 1 108d 108d
memory leak in iovec_from_user (3) io-uring 3 C 1 110d 109d
KASAN: slab-use-after-free Read in io_poll_remove_entries (2) io-uring 19 1 156d 155d
KCSAN: data-race in io_wq_worker / kthread_is_per_cpu io-uring 6 1 227d 227d
INFO: task hung in io_handle_tw_list io-uring 1 1 268d 268d
general protection fault in io_uring_show_fdinfo (4) io-uring 2 C done 28 191d 190d
general protection fault in io_uring_show_fdinfo (3) io-uring 2 C 9 192d 191d
INFO: rcu detected stall in io_uring_setup bpf io-uring 1 2 289d 297d
KCSAN: data-race in __io_queue_proc / io_poll_wake (4) io-uring 6 4 259d 344d
WARNING in io_req_task_complete io-uring -1 2 306d 396d
KCSAN: data-race in io_sq_offload_create / prepare_creds io-uring 6 1 265d 265d
WARNING in __vmap_pages_range_noflush (2) io-uring -1 C 8 236d 234d
INFO: task hung in io_wq_put_and_exit (5) io-uring input usb 1 C done 9 263d 282d
INFO: task hung in vfs_coredump io-uring 1 syz 3 306d 303d
WARNING: io_uring/io_uring.c:LINE at io_ring_exit_work, CPU: kworker/u8:NUM/NUM io-uring -1 2 319d 316d
INFO: task hung in io_uring_del_tctx_node (4) io-uring 1 C done 8 338d 334d
KCSAN: data-race in io_req_defer_failed / io_wq_free_work (4) io-uring 6 8 401d 523d
INFO: task hung in sys_io_uring_enter io-uring 1 1 436d 436d
KMSAN: uninit-value in putname io-uring 7 1 374d 369d
KCSAN: data-race in io_sq_thread / io_sq_thread_stop io-uring 6 4 435d 495d
INFO: task hung in io_uring_alloc_task_context (5) io-uring 1 1 481d 481d
INFO: rcu detected stall in io_uring_enter (4) io-uring 1 1 484d 484d
possible deadlock in io_uring_mmap io-uring 4 1 420d 416d
INFO: rcu detected stall in sys_io_uring_setup (2) io-uring mm 1 2 508d 552d
KCSAN: data-race in io_recv / io_wq_free_work io-uring 6 2 505d 505d
INFO: rcu detected stall in io_handle_tw_list io-uring 1 2 549d 571d
WARNING in io_get_cqe_overflow (2) io-uring -1 C done 9 544d 544d
INFO: task hung in io_wq_worker io-uring 1 1 589d 589d
INFO: rcu detected stall in io_uring_enter (3) io-uring 1 1 601d 601d
INFO: task hung in sys_io_uring_register (3) io-uring 1 1 602d 602d
KCSAN: data-race in io_req_defer_failed / io_wq_free_work (3) io-uring 6 2 560d 562d
KCSAN: data-race in __io_queue_proc / io_poll_wake (3) io-uring 6 2 577d 577d
WARNING in io_sq_thread io-uring -1 1 619d 615d
INFO: task hung in io_uring_register (5) io-uring 1 1 658d 658d
KCSAN: data-race in io_submit_sqes / io_uring_poll (8) io-uring 6 18 606d 679d
KCSAN: data-race in io_flush_timeouts / io_issue_sqe io-uring 6 1 608d 608d
INFO: task hung in io_uring_del_tctx_node (3) io-uring 1 1 667d 667d
KCSAN: data-race in io_req_defer_failed / io_wq_free_work (2) io-uring 6 6 616d 628d
INFO: task hung in io_put_sq_data io-uring 1 1 712d 712d
INFO: rcu detected stall in io_uring_enter (2) io-uring 1 1 726d 726d
KCSAN: data-race in io_sq_thread / io_uring_try_cancel_requests (11) io-uring 6 1 671d 671d
general protection fault in try_to_wake_up (2) io-uring 19 C done done 3588 652d 1890d
KCSAN: data-race in io_worker_handle_work / io_wq_worker_cancel (3) io-uring 6 2 683d 687d
KCSAN: data-race in __flush_work / __flush_work io-uring 6 1 687d 687d
KCSAN: data-race in __io_commit_cqring_flush / io_submit_sqes io-uring 6 1 694d 694d
KCSAN: data-race in io_req_defer_failed / io_wq_free_work io-uring 6 3 699d 726d
kernel BUG in __io_remove_buffers io-uring -1 C error 9 759d 759d
KCSAN: data-race in io_wq_activate_free_worker / io_wq_worker_running (2) io-uring 6 5 722d 728d
KCSAN: data-race in io_wq_activate_free_worker / io_wq_worker io-uring 6 16 718d 729d
INFO: task hung in io_uring_register (4) io-uring 1 1 780d 780d
KCSAN: data-race in io_sq_thread / io_uring_try_cancel_requests (10) io-uring 6 1 730d 730d
kernel BUG in put_page io-uring -1 C error 2 760d 760d
KCSAN: data-race in io_submit_sqes / io_uring_poll (7) io-uring 6 1 746d 746d
KCSAN: data-race in __io_queue_proc / io_poll_wake (2) io-uring 6 2 759d 760d
KCSAN: data-race in __se_sys_io_uring_register / io_sqe_buffers_unregister io-uring 6 1 780d 780d
WARNING in unsafe_follow_pfn media io-uring -1 C done 33 1811d 1858d
KCSAN: data-race in io_sq_thread / io_uring_try_cancel_requests (9) io-uring 6 2 803d 821d
KCSAN: data-race in __se_sys_io_uring_register / io_sqe_files_register (2) io-uring 6 1 805d 805d
KCSAN: data-race in io_sq_thread / io_sq_thread_park (8) io-uring 6 2 812d 839d
KCSAN: data-race in __se_sys_io_uring_register / io_sqe_buffers_register io-uring 6 1 839d 839d
KCSAN: data-race in io_sq_thread / io_sq_thread_park (7) io-uring 6 2 891d 873d
KCSAN: data-race in io_sq_thread / io_uring_try_cancel_requests (8) io-uring 6 1 892d 872d
KCSAN: data-race in io_submit_sqes / io_uring_poll (6) io-uring 6 1 902d 873d
KCSAN: data-race in __io_queue_proc / io_poll_wake io-uring 6 1 919d 919d
KMSAN: uninit-value in io_req_cqe_overflow io-uring 7 C 622 974d 1333d
KCSAN: data-race in io_sq_thread / io_uring_try_cancel_requests (7) io-uring 6 1 961d 955d
general protection fault in worker_thread (2) io-uring 2 syz 1 1045d 1041d
KCSAN: data-race in __io_uring_show_fdinfo / io_submit_sqes io-uring 6 1 981d 966d
KCSAN: data-race in io_wq_activate_free_worker / io_wq_worker_running io-uring 6 17 976d 962d
INFO: task hung in io_ring_exit_work io-uring 1 C unreliable unreliable 820 1033d 1853d
KCSAN: data-race in io_sq_thread / io_sq_thread_park (6) io-uring 6 4 999d 1045d
BUG: unable to handle kernel NULL pointer dereference in __io_remove_buffers io-uring 10 1 1072d 1068d
INFO: task hung in io_wq_put_and_exit (3) io-uring 1 C error unreliable 75 1106d 1500d
INFO: task hung in io_uring_del_tctx_node (2) io-uring 1 C error error 20 1146d 1508d
WARNING in io_ring_exit_work io-uring -1 C done done 3550 1099d 1873d
KCSAN: data-race in __se_sys_io_uring_register / io_sqe_files_register io-uring 6 1 1066d 1066d
KASAN: use-after-free Read in io_fallback_tw io-uring 19 C error 33 1202d 1206d
KASAN: use-after-free Read in snd_rawmidi_poll io-uring sound 19 C error 20 1202d 1206d
KASAN: use-after-free Read in io_poll_remove_entries io-uring 19 C done done 751 1122d 1502d
memory leak in create_io_worker (2) io-uring fs 3 C 4 1264d 1529d
INFO: task hung in sys_io_uring_register (2) io-uring 1 syz error error 2 1161d 1157d
INFO: task hung in io_uring_register (3) io-uring 1 syz error error 2 1161d 1157d
KASAN: use-after-free Read in io_wqe_worker (2) io-uring 19 C error done 3 1178d 1209d
KCSAN: data-race in io_sq_thread / io_sq_thread_park (5) io-uring 6 1 1097d 1097d
KCSAN: data-race in io_wqe_activate_free_worker / io_wqe_worker io-uring 6 386 1101d 1484d
KCSAN: data-race in io_wq_worker_running / io_wqe_activate_free_worker io-uring 6 599 1101d 1459d
KCSAN: data-race in io_submit_sqes / io_uring_poll (5) io-uring 6 21 1103d 1291d
INFO: task hung in io_req_task_cancel io-uring 1 1 1161d 1161d
BUG: bad usercopy in io_openat2_prep (3) io-uring -1 C 12 1166d 1165d
KASAN: use-after-free Read in tctx_task_work (2) io-uring fs 19 C unreliable 358 1186d 1717d
KCSAN: data-race in __io_fill_cqe_req / io_timeout io-uring 6 2 1130d 1104d
KCSAN: data-race in io_worker_handle_work / io_wq_worker_cancel (2) io-uring 6 1 1126d 1126d
INFO: task hung in io_uring_enter io-uring 1 1 1153d 1153d
KCSAN: data-race in io_sqpoll_wait_sq / io_submit_sqes io-uring 6 1 1128d 1128d
KASAN: use-after-free Read in io_fallback_req_func io-uring 19 C error 18 1202d 1206d
KASAN: use-after-free Read in create_worker_cb fs io-uring 19 C done 3 1858d 1859d
KASAN: use-after-free Read in sock_def_wakeup sctp io-uring 19 C error 2 1203d 1205d
WARNING in __put_task_struct (3) io-uring mm -1 C error 4 1205d 1206d
KASAN: use-after-free Read in pipe_release (2) fs io-uring 19 C error 2 1205d 1201d
KASAN: use-after-free Read in snd_pcm_post_stop sound io-uring 19 C error 1 1205d 1205d
WARNING in follow_hugetlb_page mm io-uring -1 C inconclusive 34 1447d 1450d
KASAN: slab-out-of-bounds Read in mas_leaf_max_gap mm io-uring 19 syz error 3 1244d 1288d
general protection fault in __io_sync_cancel io-uring 10 C error inconclusive 11 1340d 1346d
KCSAN: data-race in io_sq_thread / io_sq_thread_park (4) io-uring 6 4 1150d 1191d
general protection fault in io_issue_sqe io-uring fs 12 C done unreliable 502 1345d 1702d
INFO: rcu detected stall in io_ring_exit_work fs io-uring 1 C error 6 1637d 1680d
general protection fault in __io_queue_sqe fs io-uring 2 C done 11 1719d 1719d
general protection fault in io_queue_sqe_fallback io-uring 2 1 1173d 1169d
KASAN: use-after-free Read in io_wq_put_and_exit io-uring 19 21 1204d 1207d
KCSAN: data-race in __se_sys_io_uring_register / io_sqe_files_unregister io-uring 6 1 1158d 1158d
KCSAN: data-race in __io_fill_cqe_req / io_uring_poll (2) io-uring 6 1 1173d 1173d
KCSAN: data-race in io_wq_submit_work / io_wq_worker_cancel (2) io-uring 6 1 1173d 1173d
INFO: task hung in io_uring_alloc_task_context (4) io-uring 1 2 1282d 1287d
KCSAN: data-race in io_worker_handle_work / io_wqe_activate_free_worker (2) io-uring 6 1 1164d 1164d
WARNING: refcount bug in io_send_zc_cleanup io-uring 13 1 1182d 1178d
KASAN: use-after-free Read in __io_req_task_work_add io-uring 19 7 1202d 1206d
KASAN: use-after-free Read in io_poll_task_func io-uring 19 1 1202d 1202d
WARNING: ODEBUG bug in __io_put_task io-uring -1 2 1204d 1206d
KASAN: use-after-free Read in io_req_caches_free io-uring 19 1 1206d 1206d
INFO: task hung in io_uring_register (2) io-uring 1 1 1302d 1302d
KASAN: use-after-free Read in signalfd_cleanup ext4 io-uring 19 C 4 1205d 1206d
general protection fault in __fget_files fs io-uring 2 syz done 2 2006d 2005d
general protection fault in io_uring_flush io-uring fs 2 syz error 1 2043d 2042d
KCSAN: data-race in __io_req_complete_post / io_uring_poll io-uring 6 29 1255d 1367d
KCSAN: data-race in io_worker_handle_work / io_wqe_activate_free_worker io-uring 6 1 1258d 1258d
BUG: corrupted list in io_uring_del_tctx_node io-uring 8 1 1315d 1314d
KCSAN: data-race in io_worker_handle_work / io_wq_worker_cancel io-uring 6 1 1273d 1273d
KCSAN: data-race in io_sq_thread / io_sq_thread_park (3) io-uring 6 2 1287d 1315d
KCSAN: data-race in __io_req_complete_post / io_wake_function (2) io-uring 6 4 1292d 1321d
possible deadlock in io_disarm_next fs io-uring 4 C done 5 1470d 1473d
INFO: task hung in io_poll_tw_hash_eject io-uring 1 1 1356d 1356d
KASAN: use-after-free Read in io_poll_check_events io-uring fs 19 C done 20 1489d 1533d
KASAN: use-after-free Write in __io_free_req fs io-uring 22 syz done 1 1645d 1645d
KCSAN: data-race in io_wq_submit_work / io_wq_worker_cancel io-uring 6 1 1331d 1331d
memory leak in io_submit_sqes (3) fs io-uring 3 C 1 1800d 1799d
general protection fault in __io_arm_poll_handler fs io-uring 2 C done unreliable 3 1699d 1701d
KCSAN: data-race in io_submit_sqes / io_uring_poll (4) io-uring 6 123 1344d 1509d
KMSAN: uninit-value in io_fallback_req_func fs io-uring 7 C 8 1471d 1471d
KCSAN: data-race in __do_sys_io_uring_register / io_sqe_buffers_register (3) io-uring 6 1 1347d 1347d
memory leak in anon_inode_getfile io-uring fs 3 C 3 1993d 1999d
memory leak in rw_copy_check_uvector fs io-uring 3 C 1 2080d 2079d
KMSAN: uninit-value in io_req_caches_free fs io-uring 7 C 6 1526d 1603d
KASAN: use-after-free Write in paging32_walk_addr_generic io-uring kvm-x86 22 C done error 6 1990d 2083d
kernel BUG in io_queue_async_work io-uring fs -1 C error unreliable 14 1750d 1755d
WARNING: refcount bug in io_wqe_worker io-uring fs 13 C error error 6 2028d 2062d
KCSAN: data-race in io_sq_thread / io_sq_thread_park (2) io-uring 6 5 1355d 1391d
KCSAN: data-race in __io_req_complete_post / io_wake_function io-uring 6 1 1356d 1356d
KCSAN: data-race in io_sq_thread / io_uring_try_cancel_requests (6) io-uring 6 2 1358d 1381d
INFO: rcu detected stall in tctx_task_work (2) fs io-uring 1 syz unreliable 4 1637d 1643d
WARNING in io_poll_task_func (2) fs io-uring -1 C done 1 1642d 1640d
WARNING in io_poll_task_func fs io-uring -1 C done 4 1643d 1642d
WARNING: ODEBUG bug in __put_task_struct mm io-uring -1 syz done 1 1645d 1643d
INFO: rcu detected stall in tctx_task_work fs io-uring 1 C done 9 1644d 1643d
kernel panic: panic_on_warn set (2) io-uring 2 syz error 1 1697d 1697d