syzbot


Out of 164 bugs, 141 were automatically obsoleted (43 due to revoked reproducers), 23 were invalidated by users.
Applied filters: Label=subsystems:io-uring (drop)
Extra filters: [With Repro]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported
INFO: rcu detected stall in io_wq_worker (2) io-uring prio:high 1 1 111d 111d
KCSAN: data-race in __se_sys_io_uring_enter / io_submit_sqes io-uring 6 1 124d 124d
INFO: task hung in io_uring_register (6) io-uring 1 1 160d 160d
INFO: rcu detected stall in io_fallback_req_func io-uring 1 1 170d 170d
KCSAN: data-race in io_submit_sqes / io_uring_poll (9) io-uring 6 1 136d 136d
INFO: rcu detected stall in io_sq_thread (2) io-uring 1 1 185d 185d
INFO: task hung in io_file_get_fixed io-uring 1 2 228d 240d
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 151d 151d
memory leak in iovec_from_user (5) io-uring 3 syz 1 161d 157d
KCSAN: data-race in __io_queue_proc / io_poll_wake (5) io-uring 6 1 216d 216d
memory leak in iovec_from_user (4) io-uring 3 C 1 162d 162d
memory leak in iovec_from_user (3) io-uring 3 C 1 164d 163d
KASAN: slab-use-after-free Read in io_poll_remove_entries (2) io-uring 19 1 210d 209d
KCSAN: data-race in io_wq_worker / kthread_is_per_cpu io-uring 6 1 282d 282d
INFO: task hung in io_handle_tw_list io-uring 1 1 322d 322d
general protection fault in io_uring_show_fdinfo (4) io-uring 2 C done 28 245d 244d
general protection fault in io_uring_show_fdinfo (3) io-uring 2 C 9 246d 246d
INFO: rcu detected stall in io_uring_setup bpf io-uring 1 2 343d 351d
KCSAN: data-race in __io_queue_proc / io_poll_wake (4) io-uring 6 4 313d 398d
WARNING in io_req_task_complete io-uring -1 2 361d 450d
KCSAN: data-race in io_sq_offload_create / prepare_creds io-uring 6 1 319d 319d
WARNING in __vmap_pages_range_noflush (2) io-uring -1 C 8 290d 288d
INFO: task hung in io_wq_put_and_exit (5) io-uring input usb 1 C done 9 318d 337d
INFO: task hung in vfs_coredump io-uring 1 syz 3 360d 358d
WARNING: io_uring/io_uring.c:LINE at io_ring_exit_work, CPU: kworker/u8:NUM/NUM io-uring -1 2 374d 370d
INFO: task hung in io_uring_del_tctx_node (4) io-uring 1 C done 8 392d 388d
KCSAN: data-race in io_req_defer_failed / io_wq_free_work (4) io-uring 6 8 455d 577d
INFO: task hung in sys_io_uring_enter io-uring 1 1 490d 490d
KMSAN: uninit-value in putname io-uring 7 1 428d 423d
KCSAN: data-race in io_sq_thread / io_sq_thread_stop io-uring 6 4 489d 549d
INFO: task hung in io_uring_alloc_task_context (5) io-uring 1 1 535d 535d
INFO: rcu detected stall in io_uring_enter (4) io-uring 1 1 538d 538d
possible deadlock in io_uring_mmap io-uring 4 1 474d 470d
INFO: rcu detected stall in sys_io_uring_setup (2) io-uring mm 1 2 562d 606d
KCSAN: data-race in io_recv / io_wq_free_work io-uring 6 2 559d 559d
INFO: rcu detected stall in io_handle_tw_list io-uring 1 2 603d 625d
WARNING in io_get_cqe_overflow (2) io-uring -1 C done 9 598d 598d
INFO: task hung in io_wq_worker io-uring 1 1 643d 643d
INFO: rcu detected stall in io_uring_enter (3) io-uring 1 1 655d 655d
INFO: task hung in sys_io_uring_register (3) io-uring 1 1 656d 656d
KCSAN: data-race in io_req_defer_failed / io_wq_free_work (3) io-uring 6 2 615d 616d
KCSAN: data-race in __io_queue_proc / io_poll_wake (3) io-uring 6 2 632d 632d
WARNING in io_sq_thread io-uring -1 1 673d 669d
INFO: task hung in io_uring_register (5) io-uring 1 1 712d 712d
KCSAN: data-race in io_submit_sqes / io_uring_poll (8) io-uring 6 18 660d 733d
KCSAN: data-race in io_flush_timeouts / io_issue_sqe io-uring 6 1 662d 662d
INFO: task hung in io_uring_del_tctx_node (3) io-uring 1 1 721d 721d
KCSAN: data-race in io_req_defer_failed / io_wq_free_work (2) io-uring 6 6 670d 682d
INFO: task hung in io_put_sq_data io-uring 1 1 766d 766d
INFO: rcu detected stall in io_uring_enter (2) io-uring 1 1 780d 780d
KCSAN: data-race in io_sq_thread / io_uring_try_cancel_requests (11) io-uring 6 1 725d 725d
general protection fault in try_to_wake_up (2) io-uring 19 C done done 3588 706d 1945d
KCSAN: data-race in io_worker_handle_work / io_wq_worker_cancel (3) io-uring 6 2 737d 742d
KCSAN: data-race in __flush_work / __flush_work io-uring 6 1 741d 741d
KCSAN: data-race in __io_commit_cqring_flush / io_submit_sqes io-uring 6 1 748d 748d
KCSAN: data-race in io_req_defer_failed / io_wq_free_work io-uring 6 3 753d 780d
kernel BUG in __io_remove_buffers io-uring -1 C error 9 813d 814d
KCSAN: data-race in io_wq_activate_free_worker / io_wq_worker_running (2) io-uring 6 5 776d 782d
KCSAN: data-race in io_wq_activate_free_worker / io_wq_worker io-uring 6 16 772d 783d
INFO: task hung in io_uring_register (4) io-uring 1 1 834d 834d
KCSAN: data-race in io_sq_thread / io_uring_try_cancel_requests (10) io-uring 6 1 784d 784d
kernel BUG in put_page io-uring -1 C error 2 814d 814d
KCSAN: data-race in io_submit_sqes / io_uring_poll (7) io-uring 6 1 800d 800d
KCSAN: data-race in __io_queue_proc / io_poll_wake (2) io-uring 6 2 814d 814d
KCSAN: data-race in __se_sys_io_uring_register / io_sqe_buffers_unregister io-uring 6 1 834d 834d
WARNING in unsafe_follow_pfn media io-uring -1 C done 33 1865d 1913d
KCSAN: data-race in io_sq_thread / io_uring_try_cancel_requests (9) io-uring 6 2 857d 875d
KCSAN: data-race in __se_sys_io_uring_register / io_sqe_files_register (2) io-uring 6 1 859d 859d
KCSAN: data-race in io_sq_thread / io_sq_thread_park (8) io-uring 6 2 867d 893d
KCSAN: data-race in __se_sys_io_uring_register / io_sqe_buffers_register io-uring 6 1 893d 893d
KCSAN: data-race in io_sq_thread / io_sq_thread_park (7) io-uring 6 2 945d 927d
KCSAN: data-race in io_sq_thread / io_uring_try_cancel_requests (8) io-uring 6 1 946d 926d
KCSAN: data-race in io_submit_sqes / io_uring_poll (6) io-uring 6 1 956d 927d
KCSAN: data-race in __io_queue_proc / io_poll_wake io-uring 6 1 973d 973d
KMSAN: uninit-value in io_req_cqe_overflow io-uring 7 C 622 1028d 1388d
KCSAN: data-race in io_sq_thread / io_uring_try_cancel_requests (7) io-uring 6 1 1015d 1009d
general protection fault in worker_thread (2) io-uring 2 syz 1 1100d 1096d
KCSAN: data-race in __io_uring_show_fdinfo / io_submit_sqes io-uring 6 1 1035d 1021d
KCSAN: data-race in io_wq_activate_free_worker / io_wq_worker_running io-uring 6 17 1030d 1016d
INFO: task hung in io_ring_exit_work io-uring 1 C unreliable unreliable 820 1087d 1907d
KCSAN: data-race in io_sq_thread / io_sq_thread_park (6) io-uring 6 4 1053d 1099d
BUG: unable to handle kernel NULL pointer dereference in __io_remove_buffers io-uring 10 1 1126d 1122d
INFO: task hung in io_wq_put_and_exit (3) io-uring 1 C error unreliable 75 1160d 1555d
INFO: task hung in io_uring_del_tctx_node (2) io-uring 1 C error error 20 1200d 1563d
WARNING in io_ring_exit_work io-uring -1 C done done 3550 1153d 1927d
KCSAN: data-race in __se_sys_io_uring_register / io_sqe_files_register io-uring 6 1 1121d 1121d
KASAN: use-after-free Read in io_fallback_tw io-uring 19 C error 33 1256d 1260d
KASAN: use-after-free Read in snd_rawmidi_poll io-uring sound 19 C error 20 1256d 1260d
KASAN: use-after-free Read in io_poll_remove_entries io-uring 19 C done done 751 1176d 1556d
memory leak in create_io_worker (2) io-uring fs 3 C 4 1318d 1583d
INFO: task hung in sys_io_uring_register (2) io-uring 1 syz error error 2 1215d 1211d
INFO: task hung in io_uring_register (3) io-uring 1 syz error error 2 1216d 1212d
KASAN: use-after-free Read in io_wqe_worker (2) io-uring 19 C error done 3 1232d 1263d
KCSAN: data-race in io_sq_thread / io_sq_thread_park (5) io-uring 6 1 1151d 1151d
KCSAN: data-race in io_wqe_activate_free_worker / io_wqe_worker io-uring 6 386 1155d 1539d
KCSAN: data-race in io_wq_worker_running / io_wqe_activate_free_worker io-uring 6 599 1155d 1513d
KCSAN: data-race in io_submit_sqes / io_uring_poll (5) io-uring 6 21 1157d 1346d
INFO: task hung in io_req_task_cancel io-uring 1 1 1216d 1216d
BUG: bad usercopy in io_openat2_prep (3) io-uring -1 C 12 1221d 1220d
KASAN: use-after-free Read in tctx_task_work (2) io-uring fs 19 C unreliable 358 1240d 1771d
KCSAN: data-race in __io_fill_cqe_req / io_timeout io-uring 6 2 1185d 1158d
KCSAN: data-race in io_worker_handle_work / io_wq_worker_cancel (2) io-uring 6 1 1180d 1180d
INFO: task hung in io_uring_enter io-uring 1 1 1207d 1207d
KCSAN: data-race in io_sqpoll_wait_sq / io_submit_sqes io-uring 6 1 1182d 1182d
KASAN: use-after-free Read in io_fallback_req_func io-uring 19 C error 18 1256d 1260d
KASAN: use-after-free Read in create_worker_cb fs io-uring 19 C done 3 1913d 1913d
KASAN: use-after-free Read in sock_def_wakeup sctp io-uring 19 C error 2 1257d 1259d
WARNING in __put_task_struct (3) io-uring mm -1 C error 4 1259d 1260d
KASAN: use-after-free Read in pipe_release (2) fs io-uring 19 C error 2 1259d 1255d
KASAN: use-after-free Read in snd_pcm_post_stop sound io-uring 19 C error 1 1259d 1259d
WARNING in follow_hugetlb_page mm io-uring -1 C inconclusive 34 1501d 1504d
KASAN: slab-out-of-bounds Read in mas_leaf_max_gap mm io-uring 19 syz error 3 1298d 1342d
general protection fault in __io_sync_cancel io-uring 10 C error inconclusive 11 1394d 1401d
KCSAN: data-race in io_sq_thread / io_sq_thread_park (4) io-uring 6 4 1204d 1245d
general protection fault in io_issue_sqe io-uring fs 12 C done unreliable 502 1399d 1757d
INFO: rcu detected stall in io_ring_exit_work fs io-uring 1 C error 6 1692d 1734d
general protection fault in __io_queue_sqe fs io-uring 2 C done 11 1773d 1774d
general protection fault in io_queue_sqe_fallback io-uring 2 1 1227d 1223d
KASAN: use-after-free Read in io_wq_put_and_exit io-uring 19 21 1258d 1261d
KCSAN: data-race in __se_sys_io_uring_register / io_sqe_files_unregister io-uring 6 1 1212d 1212d
KCSAN: data-race in __io_fill_cqe_req / io_uring_poll (2) io-uring 6 1 1227d 1227d
KCSAN: data-race in io_wq_submit_work / io_wq_worker_cancel (2) io-uring 6 1 1227d 1227d
INFO: task hung in io_uring_alloc_task_context (4) io-uring 1 2 1337d 1341d
KCSAN: data-race in io_worker_handle_work / io_wqe_activate_free_worker (2) io-uring 6 1 1218d 1218d
WARNING: refcount bug in io_send_zc_cleanup io-uring 13 1 1237d 1233d
KASAN: use-after-free Read in __io_req_task_work_add io-uring 19 7 1256d 1260d
KASAN: use-after-free Read in io_poll_task_func io-uring 19 1 1256d 1256d
WARNING: ODEBUG bug in __io_put_task io-uring -1 2 1259d 1260d
KASAN: use-after-free Read in io_req_caches_free io-uring 19 1 1260d 1260d
INFO: task hung in io_uring_register (2) io-uring 1 1 1356d 1356d
KASAN: use-after-free Read in signalfd_cleanup ext4 io-uring 19 C 4 1259d 1260d
general protection fault in __fget_files fs io-uring 2 syz done 2 2060d 2060d
general protection fault in io_uring_flush io-uring fs 2 syz error 1 2097d 2096d
KCSAN: data-race in __io_req_complete_post / io_uring_poll io-uring 6 29 1309d 1421d
KCSAN: data-race in io_worker_handle_work / io_wqe_activate_free_worker io-uring 6 1 1312d 1312d
BUG: corrupted list in io_uring_del_tctx_node io-uring 8 1 1370d 1369d
KCSAN: data-race in io_worker_handle_work / io_wq_worker_cancel io-uring 6 1 1327d 1327d
KCSAN: data-race in io_sq_thread / io_sq_thread_park (3) io-uring 6 2 1341d 1369d
KCSAN: data-race in __io_req_complete_post / io_wake_function (2) io-uring 6 4 1346d 1375d
possible deadlock in io_disarm_next fs io-uring 4 C done 5 1524d 1527d
INFO: task hung in io_poll_tw_hash_eject io-uring 1 1 1410d 1410d
KASAN: use-after-free Read in io_poll_check_events io-uring fs 19 C done 20 1543d 1587d
KASAN: use-after-free Write in __io_free_req fs io-uring 22 syz done 1 1700d 1700d
KCSAN: data-race in io_wq_submit_work / io_wq_worker_cancel io-uring 6 1 1385d 1385d
memory leak in io_submit_sqes (3) fs io-uring 3 C 1 1854d 1853d
general protection fault in __io_arm_poll_handler fs io-uring 2 C done unreliable 3 1754d 1755d
KCSAN: data-race in io_submit_sqes / io_uring_poll (4) io-uring 6 123 1398d 1564d
KMSAN: uninit-value in io_fallback_req_func fs io-uring 7 C 8 1525d 1525d
KCSAN: data-race in __do_sys_io_uring_register / io_sqe_buffers_register (3) io-uring 6 1 1401d 1401d
memory leak in anon_inode_getfile io-uring fs 3 C 3 2048d 2054d
memory leak in rw_copy_check_uvector fs io-uring 3 C 1 2134d 2134d
KMSAN: uninit-value in io_req_caches_free fs io-uring 7 C 6 1581d 1657d
KASAN: use-after-free Write in paging32_walk_addr_generic io-uring kvm-x86 22 C done error 6 2044d 2137d
kernel BUG in io_queue_async_work io-uring fs -1 C error unreliable 14 1804d 1809d
WARNING: refcount bug in io_wqe_worker io-uring fs 13 C error error 6 2083d 2116d
KCSAN: data-race in io_sq_thread / io_sq_thread_park (2) io-uring 6 5 1409d 1445d
KCSAN: data-race in __io_req_complete_post / io_wake_function io-uring 6 1 1411d 1411d
KCSAN: data-race in io_sq_thread / io_uring_try_cancel_requests (6) io-uring 6 2 1412d 1435d
INFO: rcu detected stall in tctx_task_work (2) fs io-uring 1 syz unreliable 4 1691d 1697d
WARNING in io_poll_task_func (2) fs io-uring -1 C done 1 1696d 1694d
WARNING in io_poll_task_func fs io-uring -1 C done 4 1697d 1696d
WARNING: ODEBUG bug in __put_task_struct mm io-uring -1 syz done 1 1700d 1698d
INFO: rcu detected stall in tctx_task_work fs io-uring 1 C done 9 1698d 1698d
kernel panic: panic_on_warn set (2) io-uring 2 syz error 1 1751d 1751d