syzbot

 sign-in | mailing list | source | docs
🐞 Open [1508]
≡ Subsystems
🐞 Fixed [6659]
🐞 Invalid [17046]
⬇ Missing Backports [214]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Instances [tested repos]:
Name Last active Uptime Corpus Coverage 🛈 Crashes Execs Kernel build syzkaller build Bugs
Commit Config Freshness Status Commit Freshness Status All Only
ci-qemu-gce-upstream-auto now 4h41m 26599 407831 180 925229 634ec1fc7982 .config 6h34m 19568248 1d10h all only
Applied filters: Manager=ci-qemu-gce-upstream-auto (drop)
open (159):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in __synchronize_srcu (3) block 4 1 5d08h 1d08h
INFO: rcu detected stall in unwind_next_frame (5) fs 1 syz error 16 6d22h 2d21h
INFO: task hung in __rmap_walk_file mm 1 C 5 6d12h 6d02h 💬 3 [3d11h]
possible deadlock in hugetlb_vma_lock_read mm 4 3 5d08h 7d05h
possible deadlock in l2tp_ip6_sendmsg net 4 1 16d 15d
WARNING in copy_mnt_ns fs -1 C done 33 7d15h 15d PATCH [9d10h]
WARNING in free_mnt_ns fs -1 C done 115 6d22h 16d PATCH [9d10h]
WARNING in path_noexec (2) fs mm -1 C error 2363 11m 16d PATCH [6d00h]
possible deadlock in ring_buffer_map trace 4 1 21d 17d PATCH [8d08h]
KASAN: slab-use-after-free Write in dvb_device_put media 24 2 11d 24d
INFO: task hung in rds_tcp_listen_stop (3) kernel 1 61 11d 26d
WARNING in tracepoint_add_func (3) trace -1 1 41d 37d
KASAN: slab-out-of-bounds Write in do_con_write (2) serial 23 6 36d 40d
INFO: task hung in ext4_read_bh ext4 1 C 10 41d 44d
possible deadlock in device_create_groups_vargs kernel 4 1 50d 46d
INFO: rcu detected stall in sys_madvise (2) mm 1 32 30d 46d
WARNING in ieee80211_set_active_links (2) wireless -1 1 52d 48d
WARNING in copy_process mm -1 syz 2 50d 52d 💬 4 [49d]
KASAN: slab-out-of-bounds Read in vc_do_resize (2) serial 17 1 59d 55d
WARNING in hci_devcd_register (2) bluetooth -1 4 43d 62d
general protection fault in __pte_offset_map_lock (2) mm 2 C 13 64d 71d 💬 1 [71d]
INFO: rcu detected stall in blkdev_release (3) block 1 60 18h51m 73d
INFO: task hung in vfs_coredump (2) kernel 1 C 41 1d13h 74d
general protection fault in zcomp_available_show block 2 10 46d 75d PATCH [71d]
UBSAN: shift-out-of-bounds in sctp_transport_update_rto sctp -1 1 90d 87d 💬 1 [86d]
INFO: rcu detected stall in wb_workfn (4) block mm 1 C error 38 24d 97d 💬 1 [43d]
possible deadlock in ptp_clock_adjtime net 4 12 63d 100d PATCH [53d]
possible deadlock in nbd_queue_rq nbd 4 C done 63 10d 102d 💬 7 [10d]
WARNING in release_mtd_partition (2) mtd -1 C 12 1d02h 114d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 181 20h33m 117d 💬 1 [79d]
possible deadlock in pcpu_alloc_noprof (2) nbd 4 C 2222 10h21m 124d
INFO: task hung in hci_conn_failed (4) bluetooth 1 syz 15 16d 127d
INFO: task hung in futex_hash_allocate kernel 1 C 5 13d 128d
possible deadlock in static_key_slow_inc (4) kernel 4 C 37 48d 136d
possible deadlock in elevator_change block 4 C 614 4d06h 138d
KASAN: vmalloc-out-of-bounds Write in fillrect fbdev 23 90 1d18h 141d
possible deadlock in __del_gendisk block 4 C done 43987 19d 143d PATCH [69d]
possible deadlock in process_measurement (5) lsm integrity 4 49 18d 154d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error 49 25d 155d
INFO: task hung in afs_cell_purge (2) afs 1 syz done 152 3d11h 164d 💬 2 [6d15h]
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error 8 45d 165d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error 5 13h59m 168d
BUG: soft lockup in sys_bpf mm 1 41 3d21h 176d
kernel panic: KASAN: panic_on_warn set ... block fs 2 9 33d 180d 💬 2 [86d]
WARNING in tracing_start_tr trace -1 12 10d 182d
possible deadlock in kernfs_iop_getattr kernfs 4 C done 1818 now 198d 💬 2 [23d]
possible deadlock in queue_requests_store block 4 C 530 12d 199d
INFO: rcu detected stall in clone (7) mm 1 53 1d23h 203d
WARNING: bad unlock balance in traverse fs 4 C 53 12d 232d
KASAN: slab-out-of-bounds Read in fbcon_prepare_logo fbdev 19 C 491 6h29m 233d
INFO: task hung in hci_dev_open (2) kernel 1 syz done 3 18d 243d
UBSAN: shift-out-of-bounds in sg_build_indirect scsi -1 C 2 18d 244d PATCH [9d21h]
INFO: task hung in rmap_walk_file mm 1 C error 19 7d15h 251d
general protection fault in generic_hwtstamp_ioctl_lower (2) net 11 C 25 4d04h 254d 💬 3 [251d]
general protection fault in __fib6_drop_pcpu_from (6) net 17 233 38d 254d
WARNING: bad unlock balance in seq_read_iter fs 4 C 41 21d 258d PATCH [257d]
BUG: corrupted list in remove_wait_queue (2) fs 19 C done 53 10d 266d PATCH [192d]
general protection fault in status_show usb 2 C 8 34d 272d PATCH [120d]
general protection fault in hci_devcd_register bluetooth 17 31 66d 279d
INFO: task hung in remove_one kernel 1 syz 85 5d14h 283d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 C error error 19 5d13h 285d
KASAN: slab-use-after-free Read in msft_opcode_get bluetooth 19 19 45d 294d
INFO: task hung in inet_rtm_newaddr net 1 C done 90 2d00h 294d
KASAN: slab-use-after-free Read in force_devcd_write bluetooth 19 C 448 42d 295d 💬 4 [52d]
possible deadlock in __configfs_open_file fs 4 C 28 3d02h 298d
INFO: task hung in hugetlbfs_zero_partial_page fs mm 1 syz done 3 63d 299d
WARNING in drv_get_tsf wireless -1 8 54d 299d
KASAN: slab-use-after-free Read in dvb_device_open media 19 C 379 46m 299d PATCH [270d]
WARNING in tracepoint_probe_unregister (3) trace -1 C 67 1d04h 303d 💬 5 [26d]
WARNING in __ieee80211_suspend wireless -1 C 53 4d11h 303d
general protection fault in gpiolib_seq_stop gpio 19 C 70 7d07h 303d PATCH [303d]
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done 7 102d 311d 💬 6 [220d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done 44 12d 312d 💬 2 [58d]
BUG: unable to handle kernel paging request in dst_dev_put (2) net 8 syz 1551 58d 316d
possible deadlock in lock_mm_and_find_vma (3) ntfs3 4 10 22d 316d
INFO: rcu detected stall in sys_symlinkat (5) mm tomoyo fs 1 syz error 73 8d10h 316d
INFO: rcu detected stall in sys_sendmmsg (7) mm tipc 1 90 10d 320d
INFO: rcu detected stall in sys_mmap (3) mm 1 C error 26 4d17h 325d
possible deadlock in blk_mq_update_nr_hw_queues block 4 C done 44250 19d 326d
INFO: task hung in do_get_write_access (3) ext4 1 C error 448 11d 327d
INFO: rcu detected stall in security_file_ioctl (9) mm 1 syz error 91 5d14h 328d
INFO: rcu detected stall in cfg80211_wiphy_work (2) wireless 1 C done 47 8d04h 332d
BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio (4) fs 10 C done 4269 8m 333d 💬 1 [16d]
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done 105 19d 340d
BUG: MAX_LOCK_DEPTH too low! (5) btrfs -1 C 12 17h22m 340d
INFO: rcu detected stall in schedule_timeout (7) kernel 1 C error error 29 9d10h 341d
WARNING in kcov_remote_start (6) wireless -1 985 11m 346d
possible deadlock in __submit_bio block 4 C done 60677 12d 347d 💬 3 [206d]
INFO: rcu detected stall in brk (2) mm 1 syz 2 287d 350d 💬 8 [349d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 97 2d01h 351d
INFO: task hung in do_coredump (3) fs 1 C done 361 21d 364d 💬 4 [100d]
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 84 25d 370d
INFO: task hung in netdev_run_todo (4) net usb 1 617 14m 372d
INFO: task hung in nfsd_nl_threads_set_doit nfs 1 C done 457 1d16h 372d PATCH [372d]
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 111 3d04h 372d 💬 1 [23d]
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 77 5d03h 378d
INFO: task hung in genl_rcv_msg (4) net 1 C done 212 1d18h 379d
INFO: task hung in crda_timeout_work (8) wireless 1 C done 598 16d 384d
INFO: task hung in wg_netns_pre_exit (5) wireguard 1 372 3d04h 386d
INFO: task hung in reg_check_chans_work (7) wireless 1 C error 756 21h18m 388d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 137 12d 392d PATCH [374d]
INFO: rcu detected stall in sys_execve (6) mm 1 syz done 62 1d08h 394d
INFO: task hung in tun_chr_close (5) net 1 syz done 627 6d02h 396d
INFO: rcu detected stall in x64_sys_call mm 1 C error 391 5h58m 402d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 C done 3644 17d 409d 💬 1 [31d]
possible deadlock in walk_component (4) kernfs 4 C 49 2d09h 424d 💬 1 [85d]
possible deadlock in console_lock_spinning_enable (5) serial 4 C done 2467 8h35m 425d 💬 4 [22d]
possible deadlock in task_rq_lock cgroups 4 C done 3961 1d11h 426d 💬 3 [9d15h]
INFO: rcu detected stall in kcov_close mm 1 142 1d12h 430d
INFO: task hung in switchdev_deferred_process_work (3) net 1 C inconclusive 543 2d18h 434d
INFO: task hung in read_part_sector (2) block 1 4140 1h48m 438d
WARNING in drm_wait_one_vblank (2) dri -1 C error 198 5d13h 441d PATCH [13d]
INFO: task hung in addrconf_dad_work (5) net 1 C done 1569 2h08m 444d
INFO: task hung in linkwatch_event (4) net 1 C done 3379 2d09h 446d
general protection fault in n_tty_receive_buf_common (2) serial 2 21 18h29m 448d
WARNING: ODEBUG bug in hci_release_dev (2) bluetooth -1 C error 372 1d13h 449d
INFO: task hung in nfsd_nl_rpc_status_get_dumpit nfs 1 964 4h28m 453d
INFO: task hung in cleanup_net (7) net 1 121 45d 462d
possible deadlock in dpm_for_each_dev pm 4 C error 9 20d 466d
possible deadlock in assign_fw usb 4 C done 166 8d01h 466d
INFO: task hung in nfsd_umount nfs 1 2852 9h05m 466d 💬 3 [104d]
INFO: rcu detected stall in sys_futex (7) kernel 1 syz error 92 18d 479d
INFO: task hung in nfsd_nl_threads_get_doit nfs 1 930 6h44m 479d
INFO: task hung in nfsd_nl_version_get_doit nfs 1 1057 2d03h 479d
INFO: task hung in nfsd_nl_listener_get_doit nfs 1 929 1d15h 488d 💬 7 [104d]
INFO: task hung in nfsd_nl_listener_set_doit nfs 1 C done 25020 2h05m 506d 💬 11 [104d]
INFO: rcu detected stall in sendmsg (4) mm net 1 C error 59 30d 510d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error 312 18h42m 513d
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 C error 2139 14d 519d
INFO: rcu detected stall in sock_write_iter (3) net 1 C done 176 4d09h 527d 💬 1 [527d]
BUG: soft lockup in do_sock_setsockopt tipc 1 C done 100 4d21h 573d 💬 1 [108d]
WARNING in io_ring_exit_work (2) io-uring -1 2833 10m 602d
KASAN: slab-use-after-free Read in handle_tx (2) net 19 C 776 1h21m 603d 💬 2 [271d]
possible deadlock in smc_release smc 4 C error 137 14m 622d 💬 2 [28d]
INFO: rcu detected stall in dput (8) fs 1 C done 501 13h49m 655d
INFO: rcu detected stall in sys_recvmmsg (3) mm net 1 191 2d09h 667d
INFO: task hung in blk_trace_ioctl (4) block trace 1 C done 58 4d03h 686d PATCH [683d]
INFO: rcu detected stall in sys_socket (10) mm 1 C done 157 2d19h 686d 💬 6 [681d]
INFO: rcu detected stall in sys_unshare (9) kernfs mm 1 C inconclusive done 65 4h44m 705d 💬 1 [23d]
INFO: rcu detected stall in worker_thread (9) netfilter 1 C done 4412 21m 740d PATCH [733d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 485 11d 771d 💬 4 [14h39m]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 457 5d03h 774d
INFO: task hung in reg_process_self_managed_hints wireless 1 C done 854 2d14h 787d
INFO: rcu detected stall in sys_unlink (3) tomoyo mm 1 C error 205 4d01h 794d
WARNING in vkms_get_vblank_timestamp (2) dri -1 C done 511 1d13h 856d 💬 5 [21d]
INFO: rcu detected stall in newfstatat (3) usb 1 C done 428 2d14h 859d 💬 4 [588d]
INFO: task hung in synchronize_rcu (4) net fs 1 C done error 1336 15m 896d 💬 6 [16d]
INFO: task hung in del_device_store net 1 C error 1870 20h53m 956d
INFO: rcu detected stall in syscall_exit_to_user_mode (2) usb 1 C inconclusive 807 4d05h 1046d 💬 5 [22d]
WARNING in call_timer_fn bluetooth -1 C unreliable 7487 11h31m 1065d 💬 8 [22d]
possible deadlock in filemap_fault mm 4 C done 2931 7h24m 1078d 💬 4 [14h39m]
INFO: task can't die in vlan_ioctl_handler net 1 169 10d 1235d
INFO: rcu detected stall in gc_worker (3) netfilter 1 C done done 227 1h00m 1306d 💬 1 [26d]
WARNING in blk_register_tracepoints block trace -1 C inconclusive done 85 7d12h 1346d
INFO: task can't die in show_free_areas serial 1 C error 223 2d10h 1361d 💬 1 [22d]
BUG: MAX_LOCKDEP_KEYS too low! (2) no-reminders net -1 C unreliable 6784 1h43m 1611d PATCH [848d]
INFO: task can't die in corrupted (2) kernel 1 C error error 532 3d09h 1770d
WARNING in rcu_check_gp_start_stall net -1 C done error 2708 3h39m 2428d 💬 7 [14h39m]
INFO: rcu detected stall in do_idle x86 1 C done error 3371 1d16h 2560d 💬 39 [1d12h]
moderation (12):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
general protection fault in lru_gen_test_recent (2) mm 2 1 5d22h 1d22h
KASAN: slab-use-after-free Read in snd_pcm_oss_look_for_setup sound 19 1 21d 17d
KASAN: slab-use-after-free Read in dvb_frontend_release (2) media 19 3 54d 50d
KASAN: slab-use-after-free Read in full_proxy_write (2) bluetooth 19 3 52d 51d
BUG: unable to handle kernel paging request in vcs_read serial 8 1 55d 51d
general protection fault in skb_queue_tail (4) bluetooth 2 1 59d 55d
KASAN: slab-use-after-free Read in force_suspend_read (2) bluetooth 19 1 59d 55d
general protection fault in zcomp_stream_get block 2 4 24d 78d
KASAN: slab-out-of-bounds Write in try_module_get modules 23 4 60d 184d
lost connection to test machine (5) -1 C error 2628137 now 2162d
corrupted report (2) net -1 995219 now 2745d
no output from test machine (2) -1 C done 1969146 now 2868d