syzbot

 sign-in | mailing list | source | docs
🐞 Open [1275] ≡ Subsystems 🐞 Fixed [5377] 🐞 Invalid [12807] ⬇ Missing Backports [104] 📈 Kernel Health 📈 Bugs/Month 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 💬 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-upstream-kasan-gce-386 3h43m 2d02h 51231 386044 464 336563 2ccbdf43d5e7 .config 4d19h failing f429ab00 3d01h all only
Applied filters: Manager=ci-upstream-kasan-gce-386 (drop)
open (138):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in ieee80211_handle_queued_frames wireless 66 5h52m 1d22h
upstream test error: WARNING: suspicious RCU usage in _destroy_all_sets netfilter 193 16m 3d11h PATCH [10h27m]
INFO: task hung in devinet_ioctl (5) net 43 10h44m 4d00h
INFO: task hung in kernfs_dop_revalidate (4) kernfs C error 14 3d06h 13d
INFO: rcu detected stall in addrconf_rs_timer (6) netfilter mm usb syz 86 9h12m 16d
INFO: task hung in nsim_destroy (4) net 117 8h18m 17d
INFO: task hung in wg_netns_pre_exit (4) wireguard 103 14h54m 18d
INFO: task hung in __vhost_worker_flush kvm net virt 37 21d 18d
INFO: task hung in wg_destruct wireguard 174 1h14m 19d
INFO: rcu detected stall in schedule (7) usb C done 11 12h13m 21d
WARNING in __rate_control_send_low (2) wireless syz 205 8h25m 25d
INFO: rcu detected stall in sys_sendto (7) sctp mm C error 11 2d10h 27d
INFO: task hung in addrconf_dad_work (4) net 2315 1h12m 28d
INFO: task hung in __lru_add_drain_all (2) mm 122 13h07m 30d
INFO: rcu detected stall in ieee80211_tasklet_handler (2) wireless C error 141 11d 32d
INFO: task hung in jbd2_journal_commit_transaction (5) usb ext4 C error 159 8h02m 33d
general protection fault in __pte_offset_map_lock mm C done 50 10h19m 43d
possible deadlock in team_del_slave (3) net C error 46054 now 52d 💬 1 [17d]
INFO: rcu detected stall in __run_timer_base kasan mm media C done 6 2d00h 64d PATCH [44d]
KASAN: slab-use-after-free Read in __hci_req_sync bluetooth C error 2894 26m 71d 💬 2 [7d07h]
INFO: rcu detected stall in sys_clone (8) bpf C error 30 3d07h 80d 💬 10 [16d]
possible deadlock in hsr_dev_xmit (2) net C done 145 13h20m 81d 💬 2 [43d]
KASAN: slab-use-after-free Read in __usb_hcd_giveback_urb (2) usb 90 4d05h 87d
BUG: soft lockup in do_sock_setsockopt tipc netfilter C 10 3d05h 87d 💬 1 [86d]
WARNING in rxrpc_alloc_data_txbuf afs net C unreliable error 9845 63d 97d PATCH [96d]
BUG: soft lockup in mac80211_hwsim_beacon (2) wireless syz 11 18h03m 98d
KASAN: null-ptr-deref Write in do_pagemap_cmd fs C 6 24d 105d PATCH [104d]
possible deadlock in team_port_change_check (2) net C done 201 10h44m 109d 💬 5 [102d]
WARNING in hci_conn_del bluetooth C done 8047 21m 110d PATCH [5h34m]
KASAN: slab-use-after-free Read in l2cap_send_cmd bluetooth 6 2d06h 112d
WARNING in __mptcp_clean_una mptcp C done 246 6d12h 122d
WARNING in ida_free (2) bluetooth C 14 124d 125d 💬 2 [124d]
WARNING in wdm_rxwork/usb_submit_urb (2) usb C unreliable 15 17h23m 126d 💬 2 [52d]
possible deadlock in v4l2_ctrl_handler_log_status media C done 13428 13d 130d 💬 1 [2d01h]
possible deadlock in __flush_workqueue bluetooth 1098 6h25m 152d
WARNING in signal_wake_up_state kernel C done 37 27d 160d 💬 6 [35d]
INFO: rcu detected stall in fq_pie_timer (2) net C done 6 6d10h 173d 💬 2 [171d]
INFO: task hung in addrconf_verify_work (8) net C error 1200 3h49m 182d
WARNING: proc registration bug in bcm_connect fs C inconclusive 320 11d 188d
INFO: rcu detected stall in ip_list_rcv (6) net C done 10 2d17h 196d 💬 5 [184d]
divide error in drm_mode_debug_printmodeline dri C done 4 53d 215d PATCH [209d]
UBSAN: array-index-out-of-bounds in usbhid_parse usb C error 24 1d03h 245d PATCH [13d]
KASAN: slab-use-after-free Read in reweight_entity kernel C inconclusive error 626 121d 245d 💬 3 [243d]
INFO: rcu detected stall in worker_thread (9) mm C done 744 7h56m 254d PATCH [247d]
INFO: task hung in process_measurement (2) integrity lsm 124 3d17h 282d
kernel BUG in filemap_unaccount_folio mm C done 36 5d08h 285d 💬 3 [89d]
INFO: task hung in get_bMaxPacketSize0 usb C error 261 10d 301d 💬 1 [38d]
INFO: task hung in reg_process_self_managed_hints wireless C done 16 4d09h 301d
kernel BUG in do_page_mkwrite mm C done 16 45d 306d
INFO: task hung in usbdev_release (2) usb C error 75 8d04h 313d
possible deadlock in serial8250_handle_irq ppp hams 30 57d 331d
general protection fault in serial8250_tx_chars serial syz error 175 56d 347d 💬 3 [72d]
INFO: task hung in uhid_char_release input C done 386 1d19h 359d 💬 1 [17d]
WARNING in inet_sock_destruct (4) net C done 762 12h02m 360d 💬 4 [48d]
divide error in drm_mode_vrefresh dri C done 10 5d14h 362d PATCH [319d]
WARNING in vkms_get_vblank_timestamp (2) dri C done 270 1d21h 370d 💬 5 [7d07h]
INFO: rcu detected stall in newfstatat (3) usb C done 55 1d11h 373d 💬 4 [102d]
unregister_netdevice: waiting for DEV to become free (8) net C done 5044 4h05m 373d PATCH [126d]
INFO: task hung in rfkill_unregister (3) net nfc C 79 9h57m 376d 💬 1 [63d]
kernel BUG in __page_table_check_zero usb C error 149 1d02h 393d
INFO: task hung in synchronize_rcu (4) net fs C done error 302 4h48m 410d 💬 6 [93d]
possible deadlock in evdev_pass_values (2) input 653 1d16h 423d
INFO: task hung in hub_port_init (3) usb C error 646 9d22h 447d 💬 16 [7d07h]
KASAN: slab-use-after-free Read in dev_uevent kernel C error 70 2d18h 468d
INFO: task hung in del_device_store net syz error 271 12d 470d
INFO: task hung in hub_event (3) usb 277 20d 519d 💬 12 [38d]
WARNING in print_bfs_bug (2) kernel C done 282 7d03h 536d 💬 2 [103d]
INFO: task hung in rfkill_sync_work net nfc C done 29 44d 538d PATCH [483d]
INFO: task hung in usb_get_descriptor (2) usb C inconclusive 862 96d 543d 💬 14 [132d]
INFO: rcu detected stall in syscall_exit_to_user_mode (2) usb C inconclusive 325 11h03m 559d 💬 5 [7d07h]
INFO: task hung in linkwatch_event (3) net 1436 34m 573d 💬 5 [111d]
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders net C unreliable 469 7d16h 578d PATCH [362d]
WARNING in call_timer_fn bluetooth syz unreliable 3033 4h43m 579d 💬 8 [7d07h]
INFO: task hung in nfc_rfkill_set_block net nfc C done done 180 3d16h 580d
INFO: task hung in rfkill_global_led_trigger_worker (2) net nfc C error 1292 1d05h 580d PATCH [483d]
WARNING in ip_rt_bug (2) net C done error 142 1d16h 614d
KASAN: use-after-free Read in usb_anchor_resume_wakeups (4) usb 55 3d03h 625d
BUG: stored value of X_recv is zero at net/dccp/ccids/ccid3.c:LINE/ccid3_first_li() (3) dccp C error 17 34d 633d
BUG: soft lockup in tx serial C 66 44d 638d 💬 3 [42d]
INFO: rcu detected stall in dummy_timer (4) usb C inconclusive 20 3d15h 709d
INFO: task can't die in vlan_ioctl_handler net 107 2d22h 749d
inconsistent lock state in sync_timeline_debug_remove media dri C inconclusive 335 12d 854d
WARNING in blk_register_tracepoints block trace C inconclusive done 26 53d 860d
inconsistent lock state in sync_info_debugfs_show dri media C done unreliable 277 14d 872d 💬 3 [7d07h]
INFO: task can't die in show_free_areas serial C error 99 21h36m 875d 💬 1 [7d07h]
BUG: "hc->tx_t_ipi == NUM" holds (exception!) at net/dccp/ccids/ccid3.c:LINE/ccid3_update_send_interval() dccp C inconclusive 57 1d13h 889d 💬 1 [33d]
INFO: task hung in blkdev_fallocate block C error error 753 5d10h 896d PATCH [628d]
INFO: task hung in r871xu_dev_remove usb staging C error 406 10d 921d 💬 1 [7d07h]
WARNING in ieee80211_free_ack_frame (2) wireless C error done 83 5d12h 945d PATCH [33d]
BUG: MAX_LOCKDEP_CHAINS too low! (3) no-reminders kernel C error 199212 now 946d PATCH [362d]
possible deadlock in input_event (2) fs C inconclusive 3480 21m 950d 💬 3 [40d]
INFO: rcu detected stall in sys_exit_group (7) net C unreliable inconclusive 75 4d23h 976d
KASAN: use-after-free Read in __dev_queue_xmit (5) block C unreliable error 49 107d 986d
KASAN: use-after-free Read in kernfs_next_descendant_post (2) usb kernfs C inconclusive 57 92d 987d 💬 7 [103d]
KASAN: use-after-free Read in kernfs_add_one kernfs C error inconclusive 39 68d 999d
WARNING in pvr2_send_request_ex/usb_submit_urb pvrusb2 usb C 16 11d 1015d
INFO: rcu detected stall in net_tx_action net C unreliable done 37 42d 1082d 💬 1 [691d]
KASAN: stack-out-of-bounds Read in profile_pc kernel C error 8108 7m 1113d PATCH [416d]
BUG: MAX_LOCKDEP_KEYS too low! (2) no-reminders net nfc C unreliable 3794 12h13m 1125d PATCH [362d]
possible deadlock in vmci_qp_broker_detach kernel C unreliable error 59 24d 1179d 💬 2 [1082d]
WARNING in firmware_fallback_sysfs usb fs C error error 3432 63d 1201d PATCH [223d]
general protection fault in try_to_wake_up (2) io-uring C done done 3581 1d00h 1207d 💬 9 [63d]
WARNING in cm109_urb_irq_callback/usb_submit_urb usb input C unreliable 316 20h52m 1265d PATCH [1002d]
INFO: task hung in usbdev_open (2) usb C error 661 12h36m 1266d 💬 1 [7d07h]
INFO: task hung in fuse_simple_request fuse C inconclusive error 254 14d 1281d 💬 6 [430d]
WARNING in ieee80211_start_next_roc wireless C inconclusive 793 5d11h 1286d
WARNING in corrupted/usb_submit_urb (2) usb C error done 69 51d 1305d 💬 1 [1251d]
WARNING in drv_remove_interface wireless C done inconclusive 10 19d 1344d
WARNING in __ieee80211_beacon_get wireless C done 9985 1h52m 1351d 💬 6 [7d07h]
WARNING in drv_bss_info_changed C done error 9565 343d 1354d
INFO: rcu detected stall in batadv_nc_worker (3) batman C done inconclusive 290 1d00h 1355d 💬 1 [252d]
WARNING in __cfg80211_ibss_joined (2) wireless C error 4505 22h31m 1362d
general protection fault in skb_release_data (2) net bluetooth C done error 630 18h58m 1377d
INFO: rcu detected stall in corrupted (4) kernel C done inconclusive 479 1d02h 1382d 💬 7 [67d]
INFO: task hung in process_one_work (4) net syz error error 50 19d 1396d
KASAN: use-after-free Read in __queue_work (3) bluetooth syz done done 83 580d 1408d 💬 1 [1130d]
WARNING: ODEBUG bug in put_device bluetooth syz done error 44 89d 1410d
WARNING in hci_conn_timeout bluetooth C done 5116 23h59m 1416d PATCH [305d]
INFO: rcu detected stall in tc_modify_qdisc net C done 479 4d12h 1419d 💬 13 [48d]
INFO: task hung in switchdev_deferred_process_work (2) net C inconclusive 1167 10h10m 1421d 💬 5 [17d]
BUG: soft lockup in smp_call_function kernel C done 1130 1d05h 1435d 💬 1 [451d]
INFO: rcu detected stall in input_repeat_key input C error 610 818d 1442d
WARNING in media_create_pad_link usb media C done done 101 9d03h 1494d
INFO: task hung in tls_sk_proto_close C done error 1037 14d 1540d
general protection fault in ir_raw_event_store_with_filter usb media C error 870 8d21h 1559d
BUG: workqueue lockup (5) kernfs C done 4535 2h24m 1615d
possible deadlock in __dev_queue_xmit (3) net C done inconclusive 992 3d00h 1658d 💬 5 [17d]
INFO: task hung in d_alloc_parallel (2) fs C done error 718 11h53m 1699d
WARNING in smsusb_start_streaming/usb_submit_urb usb media C error inconclusive 90 8d13h 1762d PATCH [42d]
WARNING in ar5523_submit_rx_cmd/usb_submit_urb usb wireless C error inconclusive 883 19d 1841d 💬 13 [7d07h]
KASAN: use-after-free Read in v4l2_fh_init usb media C error inconclusive 304 9d05h 1886d 💬 4 [7d07h]
INFO: task hung in rtnetlink_rcv_msg net C inconclusive inconclusive 1830 2h05m 1942d 💬 27 [17d]
INFO: rcu detected stall in do_idle acpi C done error 1977 5h09m 2074d 💬 39 [1623d]
WARNING in untrack_pfn kernel C done error 128 84d 2156d 💬 5 [1770d]
INFO: task hung in iterate_supers 9p C error 3552 12h48m 2169d PATCH [2166d]
WARNING in task_participate_group_stop (2) kernel C inconclusive unreliable 21 7d10h 2241d 💬 1 [2240d]
KASAN: use-after-free Read in ccid2_hc_tx_packet_recv dccp C done error 102 4d14h 2268d 💬 2 [33d]
BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:LINE/tfrc_rx_hist_sample_rtt() dccp C done error 7930 36d 2416d 💬 3 [2261d]
moderation (5):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: soft lockup in call_timer_fn net pm 4 12d 37d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 439 2d06h 139d
lost connection to test machine (5) C error 1195328 now 1676d
corrupted report (2) net 511389 19m 2259d
no output from test machine (2) C done 1528003 26m 2382d