syzbot

 sign-in | mailing list | source | docs
🐞 Open [1425]
≡ Subsystems
🐞 Fixed [6768]
🐞 Invalid [17461]
⬇ Missing Backports [225]
≡ 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 1h45m 27375 401994 182 794856 e69c7c175115 .config 2h29m d1b870e1 2d06h all only
Applied filters: Manager=ci-qemu-gce-upstream-auto (drop)
open (167):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: task hung in devlink_health_report (3) net 1 syz 1 3d09h 2d21h 💬 2 [2d10h]
INFO: rcu detected stall in call_usermodehelper_exec_async (4) udf 1 C error 7 7d04h 3d04h
kernel BUG in qlist_free_all (3) mm -1 1 12d 8d04h
INFO: task hung in kvm_swap_active_memslots (2) kvm 1 5 1d17h 13d 💬 2 [13d]
general protection fault in zcomp_stream_get block 2 5 15d 15d 💬 1 [15d]
possible deadlock in __hugetlb_zap_begin mm 4 1 24d 20d PATCH [20d]
possible deadlock in kernfs_unlink_sibling (2) kernfs 4 2 8d08h 24d
KASAN: vmalloc-out-of-bounds Write in imageblit (6) fbdev 23 C 212 4h51m 27d PATCH [4d12h]
possible deadlock in cgroup_kn_lock_live cgroups 4 3 39d 35d
possible deadlock in __synchronize_srcu (3) block 4 22 4d22h 46d
INFO: rcu detected stall in unwind_next_frame (5) fs 1 syz error 21 7d09h 47d
INFO: task hung in __rmap_walk_file mm 1 C error 7 11d 50d 💬 3 [48d]
possible deadlock in hugetlb_vma_lock_read mm 4 3 50d 52d
possible deadlock in l2tp_ip6_sendmsg net 4 1 60d 59d
WARNING in copy_mnt_ns fs -1 C done unreliable 33 52d 59d PATCH [54d]
WARNING in free_mnt_ns fs -1 C done unreliable 115 51d 60d PATCH [54d]
WARNING in path_noexec (2) mm fs -1 C error 9018 3h36m 60d PATCH [50d]
possible deadlock in ring_buffer_map trace 4 1 65d 61d PATCH [53d]
KASAN: slab-use-after-free Write in dvb_device_put media 24 3 22d 69d PATCH [8d13h]
INFO: task hung in rds_tcp_listen_stop (3) kernel 1 99 7h44m 71d
WARNING in tracepoint_add_func (3) trace -1 1 86d 82d
KASAN: slab-out-of-bounds Write in do_con_write (2) serial 23 6 81d 85d
INFO: task hung in ext4_read_bh ext4 1 C 10 85d 89d
possible deadlock in device_create_groups_vargs kernel 4 1 95d 91d
INFO: rcu detected stall in sys_madvise (2) mm 1 37 2d02h 91d
WARNING in ieee80211_set_active_links (2) wireless -1 1 97d 93d
WARNING in copy_process mm -1 syz 2 94d 97d 💬 4 [94d]
INFO: rcu detected stall in sys_munmap (2) mm 1 syz error 29 1d15h 100d 💬 7 [94d]
WARNING in subflow_data_ready (4) mptcp -1 C 159 48m 102d
INFO: rcu detected stall in task_work_add bpf 1 syz error 4 7h11m 104d
WARNING in hci_devcd_register (2) bluetooth -1 4 88d 107d
possible deadlock in kernfs_remove kernfs 4 C error done 92 8d03h 118d 💬 3 [5d10h]
INFO: rcu detected stall in blkdev_release (3) block 1 75 1d02h 118d
INFO: task hung in vfs_coredump (2) kernel 1 C 56 5d05h 119d
general protection fault in zcomp_available_show block 2 11 20d 119d PATCH [116d]
INFO: rcu detected stall in wb_workfn (4) block mm 1 C error 44 2d02h 142d 💬 1 [1d21h]
possible deadlock in nbd_queue_rq nbd 4 C done 67 8d08h 147d 💬 7 [26d]
WARNING in release_mtd_partition (2) mtd -1 C 16 8d04h 159d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 239 9h01m 162d 💬 1 [124d]
possible deadlock in pcpu_alloc_noprof (2) nbd 4 C error 2485 3h05m 169d
INFO: task hung in hci_conn_failed (4) bluetooth 1 syz 16 38d 172d
INFO: task hung in futex_hash_allocate kernel 1 C 11 8d18h 173d
possible deadlock in elevator_change block 4 C 638 1h52m 183d
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error 7 16d 184d
KASAN: vmalloc-out-of-bounds Write in fillrect fbdev 23 129 7h16m 186d
possible deadlock in __del_gendisk block 4 C done 43987 26d 188d PATCH [114d]
possible deadlock in process_measurement (5) integrity lsm 4 49 62d 199d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error 51 1d04h 199d
INFO: task hung in afs_cell_purge (2) afs 1 syz done 183 1d02h 209d 💬 2 [11d]
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error 9 15d 210d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error 6 27d 213d
BUG: soft lockup in sys_bpf mm 1 C error 50 3h40m 221d
kernel panic: KASAN: panic_on_warn set ... block fs 2 10 13d 225d 💬 2 [131d]
WARNING in tracing_start_tr trace -1 16 3d02h 227d
INFO: rcu detected stall in rtnl_newlink (5) net 1 C error 139 4d05h 230d
possible deadlock in kernfs_iop_getattr kernfs 4 C done 2555 6h50m 243d 💬 2 [5d10h]
possible deadlock in queue_requests_store block 4 C 530 57d 244d
INFO: rcu detected stall in clone (7) mm 1 60 1h32m 248d
WARNING: bad unlock balance in traverse fs 4 C 53 57d 276d
KASAN: slab-out-of-bounds Read in fbcon_prepare_logo fbdev 19 C 782 1h25m 278d
INFO: task hung in hci_dev_open (2) kernel 1 syz done 3 63d 288d
UBSAN: shift-out-of-bounds in sg_build_indirect scsi -1 C 2 63d 288d PATCH [54d]
INFO: task hung in rmap_walk_file mm 1 C error 19 16d 296d
general protection fault in generic_hwtstamp_ioctl_lower (2) net 11 C 30 23d 299d 💬 3 [296d]
general protection fault in __fib6_drop_pcpu_from (6) net 17 234 41d 299d
WARNING: bad unlock balance in seq_read_iter fs 4 C 41 66d 302d PATCH [302d]
BUG: corrupted list in remove_wait_queue (2) fs 19 C done 58 1d06h 311d PATCH [237d]
general protection fault in status_show usb 2 C 8 9d14h 317d PATCH [165d]
INFO: task hung in remove_one kernel 1 syz 108 1d20h 328d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 21 25d 330d
KASAN: slab-use-after-free Read in msft_opcode_get bluetooth 19 19 89d 339d
INFO: task hung in inet_rtm_newaddr net 1 C done 97 6d20h 339d
KASAN: slab-use-after-free Read in force_devcd_write bluetooth 19 C 448 87d 340d 💬 4 [97d]
possible deadlock in __configfs_open_file fs 4 C 28 5d20h 343d
INFO: task hung in hugetlbfs_zero_partial_page fs mm 1 syz done 3 108d 344d
WARNING in drv_get_tsf wireless -1 8 99d 344d
KASAN: slab-use-after-free Read in dvb_device_open media 19 C 441 4h09m 344d PATCH [315d]
WARNING in tracepoint_probe_unregister (3) trace -1 C 86 1d18h 347d 💬 5 [9d06h]
WARNING in __ieee80211_suspend wireless -1 C 57 5d10h 348d
general protection fault in gpiolib_seq_stop gpio 19 C 71 36d 348d PATCH [30d]
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done 9 6d01h 356d 💬 6 [265d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done 47 10d 357d 💬 2 [103d]
possible deadlock in lock_mm_and_find_vma (3) ntfs3 mm 4 11 38d 361d
INFO: rcu detected stall in sys_symlinkat (5) tomoyo mm fs 1 syz error 74 26d 361d
INFO: rcu detected stall in sys_sendmmsg (7) tipc mm 1 93 8d12h 365d
INFO: rcu detected stall in sys_mmap (3) mm 1 C error 34 16h01m 370d
possible deadlock in blk_mq_update_nr_hw_queues block 4 C done 44250 27d 370d
INFO: task hung in do_get_write_access (3) ext4 1 C error 448 11d 371d
INFO: rcu detected stall in security_file_ioctl (9) mm 1 syz error 101 1d22h 373d
INFO: rcu detected stall in cfg80211_wiphy_work (2) wireless 1 C done 60 7h12m 377d
BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio (4) fs 10 C done 4913 2h20m 378d PATCH [11d]
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done 110 5d19h 385d
BUG: MAX_LOCK_DEPTH too low! (5) btrfs -1 C 12 45d 385d
INFO: rcu detected stall in schedule_timeout (7) kernel 1 C error error 30 39d 386d
WARNING in kcov_remote_start (6) wireless -1 3370 28m 390d
possible deadlock in __submit_bio block 4 C done 60677 56d 391d 💬 3 [251d]
INFO: rcu detected stall in brk (2) mm 1 syz 2 332d 395d 💬 8 [394d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 101 11d 396d
INFO: task hung in do_coredump (3) fs 1 C done 361 31d 409d 💬 4 [145d]
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 90 12d 415d
INFO: task hung in netdev_run_todo (4) wireguard 1 687 1d06h 417d
INFO: task hung in nfsd_nl_threads_set_doit nfs 1 C done 518 22h20m 417d PATCH [416d]
INFO: task hung in fdget_pos fs kernfs 1 C inconclusive inconclusive 116 6d17h 417d 💬 1 [5d10h]
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 77 49d 423d
INFO: task hung in genl_rcv_msg (4) net 1 C done 241 2h56m 423d
INFO: task hung in crda_timeout_work (8) wireless 1 C done 599 11d 429d
INFO: task hung in wg_netns_pre_exit (5) wireguard 1 syz done 375 9d20h 430d
INFO: task hung in reg_check_chans_work (7) wireless 1 C error 776 2d16h 433d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 153 1d21h 437d PATCH [419d]
INFO: rcu detected stall in sys_execve (6) mm 1 syz done 64 3d16h 439d
INFO: task hung in tun_chr_close (5) net 1 syz done 632 4d06h 440d
INFO: rcu detected stall in x64_sys_call mm kasan 1 C error 422 7h44m 446d
INFO: task hung in page_cache_ra_unbounded (2) mm fs 1 C done 3649 11h19m 454d 💬 1 [30d]
possible deadlock in walk_component (4) kernfs 4 C 79 1d03h 468d 💬 1 [37d]
possible deadlock in console_lock_spinning_enable (5) serial 4 C done 2688 48m 470d 💬 4 [3d06h]
possible deadlock in task_rq_lock cgroups 4 C done 3973 11d 471d 💬 3 [13d]
INFO: rcu detected stall in kcov_close mm 1 155 2d12h 475d
INFO: task hung in switchdev_deferred_process_work (3) net 1 C inconclusive 562 3d01h 478d
INFO: task hung in read_part_sector (2) block 1 6372 37m 482d
INFO: task hung in addrconf_dad_work (5) net 1 C done 1587 22h20m 489d
INFO: task hung in linkwatch_event (4) net 1 C done 3402 1d02h 491d
general protection fault in n_tty_receive_buf_common (2) serial 2 21 45d 493d
WARNING: ODEBUG bug in hci_release_dev (2) bluetooth -1 C error 392 1d17h 494d
INFO: task hung in nfsd_nl_rpc_status_get_dumpit nfs 1 1009 14h59m 497d
possible deadlock in dpm_for_each_dev pm 4 C error 9 29d 511d
possible deadlock in assign_fw usb 4 C done 168 11d 511d
INFO: task hung in nfsd_umount nfs 1 3076 2h07m 511d 💬 3 [149d]
INFO: rcu detected stall in sys_futex (7) kernel 1 syz error 99 8d14h 524d
INFO: task hung in nfsd_nl_threads_get_doit nfs 1 971 4h46m 524d
INFO: task hung in nfsd_nl_version_get_doit nfs 1 1109 17h21m 524d
INFO: task hung in nfsd_nl_listener_get_doit nfs 1 984 14h58m 533d 💬 7 [149d]
INFO: task hung in nfsd_nl_listener_set_doit nfs 1 C done 25259 20h15m 551d 💬 11 [149d]
INFO: rcu detected stall in sendmsg (4) net mm 1 C error 60 32d 555d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error 328 1d03h 558d
INFO: task hung in jbd2_journal_commit_transaction (5) usb ext4 1 C error 2141 14d 564d
INFO: rcu detected stall in sock_write_iter (3) net 1 C done 185 14h42m 572d 💬 1 [572d]
KMSAN: uninit-value in __schedule (5) kernel 19 561 22d 599d
BUG: soft lockup in do_sock_setsockopt tipc 1 C done 105 1h37m 618d 💬 1 [153d]
WARNING in io_ring_exit_work (2) io-uring -1 3881 now 647d
KASAN: slab-use-after-free Read in handle_tx (2) net 19 C 925 9h16m 648d 💬 2 [24d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 42 20d 649d
possible deadlock in smc_release smc 4 C error 154 4d19h 667d 💬 2 [27d]
INFO: rcu detected stall in dput (8) fs 1 C done 553 15h29m 699d
INFO: rcu detected stall in sys_recvmmsg (3) mm 1 203 5d21h 712d
INFO: task hung in blk_trace_ioctl (4) block trace 1 C done 63 1d23h 730d PATCH [728d]
INFO: rcu detected stall in sys_socket (10) mm 1 C done 171 2d01h 731d 💬 6 [726d]
INFO: rcu detected stall in sys_unshare (9) kernfs net 1 C inconclusive done 80 2d08h 750d 💬 1 [5d10h]
INFO: rcu detected stall in worker_thread (9) mm netfilter 1 C done 4618 3h49m 785d PATCH [778d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 485 56d 816d 💬 4 [45d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 478 7h15m 819d
INFO: task hung in reg_process_self_managed_hints wireless 1 C done 894 14h21m 832d
INFO: rcu detected stall in sys_unlink (3) tomoyo mm 1 C error 214 58m 839d
WARNING in vkms_get_vblank_timestamp (2) dri -1 C done 526 10h41m 901d 💬 5 [3d11h]
INFO: rcu detected stall in newfstatat (3) usb 1 C done 463 14h18m 904d 💬 4 [633d]
INFO: task hung in synchronize_rcu (4) fs net 1 C done error 1647 44m 941d 💬 6 [61d]
INFO: task hung in del_device_store net 1 C error 1902 2d10h 1001d
INFO: rcu detected stall in syscall_exit_to_user_mode (2) usb 1 C inconclusive 807 14d 1090d 💬 5 [34d]
WARNING in call_timer_fn bluetooth -1 C unreliable 7687 16h51m 1110d 💬 8 [3d06h]
possible deadlock in filemap_fault mm 4 C done 2950 5h23m 1122d 💬 4 [45d]
INFO: task can't die in vlan_ioctl_handler net 1 170 19d 1280d
INFO: rcu detected stall in gc_worker (3) netfilter 1 C done done 259 5h09m 1351d 💬 1 [6d06h]
WARNING in blk_register_tracepoints trace block -1 C inconclusive done 87 11d 1391d
INFO: task can't die in show_free_areas serial 1 C error 225 14d 1406d 💬 1 [3d06h]
BUG: MAX_LOCKDEP_KEYS too low! (2) no-reminders net -1 C unreliable 7410 1h07m 1656d PATCH [893d]
INFO: task can't die in corrupted (2) kernel 1 C error error 588 3h43m 1815d
WARNING in rcu_check_gp_start_stall net -1 C done error 2770 2d02h 2473d 💬 7 [13d]
INFO: rcu detected stall in do_idle x86 1 C done error 3441 1d02h 2605d 💬 39 [46d]
moderation (7):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-out-of-bounds Write in try_module_get (2) modules 23 1 9d23h 5d23h
WARNING: refcount bug in dvb_device_open (2) media 13 1 30d 26d
general protection fault in lru_gen_test_recent (2) mm 2 2 28d 46d
KASAN: slab-use-after-free Read in snd_pcm_oss_look_for_setup sound 19 1 66d 62d
lost connection to test machine (5) -1 C error 2773991 now 2207d
corrupted report (2) mm -1 1020663 now 2790d
no output from test machine (2) -1 C done 2015301 now 2913d