syzbot

 sign-in | mailing list | source | docs
🐞 Open [1572]
≡ Subsystems
🐞 Fixed [6334]
🐞 Invalid [16150]
⬇ Missing Backports [192]
≡ 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-upstream-kasan-gce-386 now 2h23m 57852 465086 2 30344 d0b3b7b22dfa .config 4h44m fc9d8ee5 2d03h all only
Applied filters: Manager=ci-upstream-kasan-gce-386 (drop)
open (221):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in exit_to_user_mode_loop mm 38 21h37m 8d09h
WARNING in __linkwatch_sync_dev (2) net C 295 8h18m 17d PATCH [12d]
possible deadlock in __netdev_update_features net 39 13h00m 27d 💬 3 [26d]
possible deadlock in dev_set_promiscuity net 16 7d04h 27d 💬 1 [26d]
KASAN: slab-out-of-bounds Read in __futex_pivot_hash kernel C 125 13h13m 28d PATCH [27d]
INFO: task hung in dvb_usbv2_probe usb C error 32 3d10h 29d
KASAN: slab-use-after-free Write in batadv_forw_packet_steal batman 3 32d 32d
KASAN: slab-use-after-free Read in report_descriptor_read usb input 8 17h21m 36d
WARNING in dtv5100_i2c_msg/usb_submit_urb usb C error 19 2d04h 38d 💬 2 [32d]
general protection fault in ip6_ins_rt net 2 32d 41d
INFO: rcu detected stall in vms_gather_munmap_vmas mm syz error 35 3d02h 46d
general protection fault in do_move_mount (3) xfs C done 570 18d 46d 💬 3 [46d]
KASAN: use-after-free Read in __linkwatch_run_queue net syz 21 1d08h 46d
INFO: task hung in afs_cell_purge (2) afs syz done 52 5h47m 55d
INFO: task hung in dvb_usb_i2c_exit usb C error 42 7h13m 57d PATCH [47d]
KASAN: global-out-of-bounds Read in fib6_ifdown (2) net syz 39 27d 57d
WARNING in nsim_fib_event_nb net C done 84 20m 59d 💬 1 [30d]
KASAN: global-out-of-bounds Read in fib6_clean_node (2) net 62 20d 59d
WARNING: suspicious RCU usage in __fib6_update_sernum_upto_root net 24 23d 59d 💬 1 [59d]
INFO: task hung in page_cache_ra_order fs mm C done 28 32m 68d 💬 1 [67d]
BUG: corrupted list in az6007_i2c_xfer media C error 5 23d 69d PATCH [69d]
INFO: rcu detected stall in rtnl_newlink (5) batman syz error 101 3d11h 76d
divide error in mac80211_hwsim_link_info_changed (2) wireless 1 83d 79d
BUG: unable to handle kernel paging request in clear_page_erms (7) mm 1 86d 82d
possible deadlock in kernfs_iop_getattr kernfs C 53 1d02h 89d
KASAN: null-ptr-deref Read in smc_tcp_syn_recv_sock smc C error inconclusive 15 29d 90d 💬 4 [26m]
WARNING in dib0700_i2c_xfer/usb_submit_urb usb C error 25 3h36m 97d PATCH [20d]
BUG: sleeping function called from invalid context in dev_set_allmulti net 3361 23d 110d
BUG: corrupted list in usb_hcd_link_urb_to_ep (4) usb syz 7 35d 129d 💬 1 [74d]
INFO: task hung in rmap_walk_file mm C error 19 13d 142d
general protection fault in __fib6_drop_pcpu_from (6) net 228 45d 145d
WARNING in hci_conn_timeout (2) bluetooth C error 516 43m 194d
INFO: rcu detected stall in sys_umount (3) mm syz done 39 1d23h 203d
KASAN: slab-out-of-bounds Read in mcp2221_raw_event input usb C 657 3h22m 205d
BUG: unable to handle kernel paging request in dst_dev_put (2) net syz 1549 4d00h 207d
INFO: rcu detected stall in sys_symlinkat (5) mm syz error 60 3d10h 207d
KASAN: slab-use-after-free Read in folio_evictable (3) mm C 39 17h08m 215d 💬 7 [145d]
possible deadlock in loop_set_status block C done 20143 9d21h 218d 💬 2 [3d19h]
WARNING: locking bug in kvm_xen_set_evtchn_fast kvm kvm-x86 C done 598 4d16h 220d 💬 4 [21d]
BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio (4) fs C done 2671 20m 225d 💬 1 [84d]
INFO: task hung in nl80211_pre_doit (3) wireless syz 28 22d 227d 💬 1 [227d]
kernel BUG in resv_map_release (3) mm C 17 7d05h 229d 💬 1 [229d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 95 9d22h 231d
INFO: task hung in uevent_show (2) kernel C inconclusive 8325 9d21h 232d
INFO: rcu detected stall in schedule_timeout (7) kernel syz error error 18 55d 232d
INFO: task hung in flush_delayed_work ocfs2 C error 352 now 235d
WARNING in kcov_remote_start (6) wireless 87 2d21h 237d
possible deadlock in __submit_bio block C done 60676 97d 238d 💬 3 [97d]
WARNING: locking bug in __set_page_owner mm C error inconclusive 179425 146d 238d 💬 2 [144d]
INFO: task hung in ima_file_free (4) integrity lsm C error 8 now 239d 💬 1 [4d10h]
WARNING in ieee80211_mgd_probe_ap_send (2) wireless 21 21d 239d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 75 18h22m 242d
WARNING in __rate_control_send_low (3) wireless C done 8959 now 246d
INFO: task hung in __fuse_simple_request fuse syz 144 1h28m 250d
INFO: task hung in do_coredump (3) fs C 350 1d05h 255d 💬 3 [240d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 73 6d19h 261d
INFO: task hung in cfg80211_event_work (4) wireless syz 11 2d19h 262d 💬 3 [258d]
INFO: rcu detected stall in NF_HOOK (2) netfilter C inconclusive error 96 2d10h 262d
INFO: task hung in netdev_run_todo (4) wireguard 367 6h42m 263d
INFO: task hung in regdb_fw_cb (2) wireless C inconclusive done 127 143d 267d
INFO: task hung in ieee80211_unregister_hw (2) wireless 76 2d04h 268d
INFO: rcu detected stall in kjournald2 (2) mm C error error 72 7d05h 269d
INFO: task hung in genl_rcv_msg (4) net C done 119 18h46m 270d
INFO: task hung in worker_thread (5) kernel C done done 45 17d 272d
INFO: task hung in wg_destruct (2) wireguard syz done done 124 6h43m 272d
INFO: rcu detected stall in vhci_release mm syz done done 12 57d 274d
INFO: task hung in crda_timeout_work (8) wireless C done 572 5d04h 275d
possible deadlock in input_inject_event usb fs C done 1055 2d04h 275d
INFO: task hung in new_device_store (5) net syz inconclusive 108 14h47m 276d 💬 7 [263d]
INFO: task hung in wg_netns_pre_exit (5) wireguard 360 55d 277d
INFO: task hung in reg_check_chans_work (7) wireless C error 565 1d01h 279d
INFO: rcu detected stall in shmem_fault (6) mm C 119 1d08h 283d PATCH [265d]
INFO: rcu detected stall in sys_execve (6) mm syz done 51 10d 285d
INFO: task hung in tun_chr_close (5) net syz done 589 1d17h 287d
general protection fault in dvb_usbv2_generic_write media C error 35 2d07h 289d
INFO: task hung in usb_deregister_dev (2) usb C 36 232d 293d
INFO: rcu detected stall in x64_sys_call mm syz error 310 2d15h 293d
WARNING in ieee80211_rx_list (3) wireless C error 30 20d 294d
BUG: corrupted list in add_to_unbuddied mm syz 43 100d 294d 💬 4 [254d]
WARNING in get_pat_info kernel C done 36 29d 295d 💬 1 [230d]
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3640 20h53m 301d 💬 1 [16d]
WARNING in enable_work input usb pm C error 826 17h32m 312d
WARNING in kernfs_new_node (3) kernfs syz error error 29 9d18h 314d
possible deadlock in task_rq_lock cgroups C done 3932 1d00h 317d 💬 3 [1d10h]
INFO: task hung in ath9k_hif_usb_firmware_cb (3) wireless syz error 202 3d01h 320d 💬 3 [174d]
INFO: rcu detected stall in kcov_close mm 115 12d 321d
INFO: rcu detected stall in vm_mmap_pgoff mm 90 1d11h 322d PATCH [265d]
general protection fault in smc_diag_dump_proto smc C inconclusive 359 4h53m 324d PATCH [319d]
WARNING in firmware_fallback_sysfs (2) kernel 52 4h13m 324d
INFO: task hung in switchdev_deferred_process_work (3) net syz inconclusive 489 19h34m 325d
KASAN: slab-use-after-free Read in em28xx_release_resources media 315 3d02h 331d
WARNING in plfxlc_mac_release wireless C done 3644 47d 335d PATCH [334d]
INFO: task hung in addrconf_dad_work (5) net C done 1483 43m 335d
KASAN: slab-use-after-free Read in hdm_disconnect usb C error 15505 5h56m 335d PATCH [13d]
INFO: task hung in linkwatch_event (4) net C done 3254 2d21h 337d
general protection fault in n_tty_receive_buf_common (2) serial 16 52d 339d
INFO: rcu detected stall in lapb_t1timer_expiry (2) usb x25 C error 17 26d 344d 💬 1 [344d]
WARNING: suspicious RCU usage in dev_deactivate_queue net C error 7829 1d10h 346d 💬 1 [48d]
WARNING in drv_link_info_changed (2) wireless 21 11h52m 349d
INFO: task hung in cleanup_net (7) net 120 2d06h 353d
BUG: sleeping function called from invalid context in synchronize_net net C done 54 152d 353d 💬 2 [344d]
possible deadlock in do_ipv6_setsockopt (4) net C error 3730 64d 354d 💬 1 [81d]
INFO: task hung in filemap_fault (6) mm 192 66d 355d
possible deadlock in assign_fw usb C done 84 5h04m 357d
WARNING: suspicious RCU usage in dev_activate net C error 789 15d 361d PATCH [345d]
WARNING in rate_control_rate_init (3) wireless C done 11773 now 361d
WARNING in drm_mode_create_lease_ioctl dri C inconclusive 72 14d 368d PATCH [149d]
possible deadlock in do_ip_setsockopt (4) net C done done 12508 65d 368d PATCH [280d]
possible deadlock in smc_switch_to_fallback (2) smc C error done 27435 61d 370d
INFO: rcu detected stall in ieee80211_handle_queued_frames wireless C error 449 17h26m 379d 💬 1 [5d17h]
INFO: task hung in ppp_exit_net (4) ppp 131 39d 381d
INFO: task hung in kernfs_dop_revalidate (4) kernfs C error 109 11h08m 390d
WARNING in usb_free_urb usb media C inconclusive 1756 2h33m 392d PATCH [20d]
INFO: rcu detected stall in addrconf_rs_timer (6) netfilter syz error error 532 1d02h 393d
INFO: task hung in nsim_destroy (4) net 428 5h28m 394d
INFO: task hung in __vhost_worker_flush net virt 331 18d 396d 💬 5 [94d]
INFO: task hung in bdev_open block C error 723 7m 397d
INFO: rcu detected stall in schedule (7) usb C done 52 10d 398d
INFO: rcu detected stall in sys_sendto (7) mm C error 275 16h49m 404d
INFO: rcu detected stall in ieee80211_tasklet_handler (2) wireless C error error 142 20d 409d
INFO: task hung in jbd2_journal_commit_transaction (5) usb ext4 C error 2129 4d00h 410d
BUG: Bad rss-counter state (5) bcachefs mm C done 2364 7d12h 412d 💬 3 [16d]
WARNING in kernfs_get (5) usb kernfs syz inconclusive 391 14h55m 417d 💬 3 [6d17h]
INFO: rcu detected stall in sock_write_iter (3) net C done 158 4d08h 418d 💬 1 [418d]
KASAN: slab-use-after-free Read in hci_disconnect bluetooth 27 58d 429d
WARNING in bcm5974_start_traffic/usb_submit_urb (2) usb input C unreliable 27 9d20h 440d 💬 1 [16d]
KASAN: slab-use-after-free Read in __hci_req_sync bluetooth C error error 3383 320d 448d 💬 2 [353d]
KASAN: slab-use-after-free Write in usb_anchor_suspend_wakeups (2) usb C error 16 9d01h 454d 💬 1 [453d]
INFO: rcu detected stall in sys_clone (8) mm C error 272 48m 458d 💬 10 [4d10h]
possible deadlock in hsr_dev_xmit (2) net C done 873 1d07h 458d 💬 2 [420d]
WARNING in cm109_input_open/usb_submit_urb (3) usb input C error 69 4d10h 459d
KASAN: slab-use-after-free Read in __usb_hcd_giveback_urb (2) usb 241 8h05m 464d
BUG: soft lockup in do_sock_setsockopt tipc C done 95 3d20h 464d 💬 1 [269d]
WARNING in l2cap_chan_del bluetooth 266 10h02m 469d
BUG: soft lockup in mac80211_hwsim_beacon (2) wireless C error inconclusive 129 1d07h 475d 💬 1 [294d]
KASAN: null-ptr-deref Write in do_pagemap_cmd fs C inconclusive done 17 34d 482d PATCH [86d]
WARNING in io_ring_exit_work (2) io-uring 1311 now 493d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 13d 495d
WARNING in wdm_rxwork/usb_submit_urb (2) usb C unreliable 94 5d04h 503d 💬 2 [429d]
possible deadlock in smc_release smc C error 96 1d23h 513d 💬 2 [13d]
INFO: task hung in blk_trace_remove (2) block trace C done done 32 5d12h 521d PATCH [515d]
WARNING in signal_wake_up_state kernel C done done 37 311d 537d 💬 6 [279d]
INFO: rcu detected stall in dput (8) mm C done 388 1d08h 546d
WARNING: proc registration bug in bcm_connect fs C inconclusive inconclusive 322 300d 565d PATCH [324d]
INFO: rcu detected stall in ip_list_rcv (6) net C done done 49 13d 573d 💬 5 [98d]
INFO: task hung in blk_trace_ioctl (4) trace block C done 45 2d14h 577d PATCH [574d]
INFO: rcu detected stall in sys_socket (10) mm C done 124 5d07h 577d 💬 6 [572d]
INFO: task hung in bdev_release block C error 2578 4h20m 577d PATCH [560d]
INFO: task hung in kernfs_remove_by_name_ns (2) kernfs C 22 21d 595d
INFO: rcu detected stall in worker_thread (9) mm netfilter C done 3757 21h48m 631d PATCH [624d]
INFO: task hung in __input_unregister_device (5) usb input C done error 17 263d 650d 💬 1 [269d]
kernel BUG in filemap_unaccount_folio mm C done error 392 13h13m 662d 💬 4 [207d]
INFO: rcu detected stall in sys_openat (3) mm C error 413 6h15m 665d
INFO: task hung in get_bMaxPacketSize0 usb C error 303 7d12h 678d 💬 1 [415d]
INFO: task hung in reg_process_self_managed_hints wireless C done 675 3h05m 678d
INFO: rcu detected stall in sys_unlink (3) mm tomoyo C error 186 14d 686d
INFO: task hung in usbdev_release (2) usb C error error 96 5d22h 690d
possible deadlock in serial8250_handle_irq hams 114 6d07h 708d
INFO: task hung in sync_inodes_sb (5) ext4 C error inconclusive 2453 15m 712d
INFO: task hung in uhid_char_release kernel C done 466 8h37m 736d 💬 1 [144d]
WARNING in inet_sock_destruct (4) net C done 6571 1h33m 737d 💬 4 [16d]
WARNING in vkms_get_vblank_timestamp (2) dri C done 451 1d12h 747d 💬 5 [5d17h]
INFO: rcu detected stall in newfstatat (3) usb C done 358 1d05h 750d 💬 4 [479d]
unregister_netdevice: waiting for DEV to become free (8) net C done 341119 now 750d PATCH [503d]
INFO: task hung in rfkill_unregister (3) net nfc C 1623 1h29m 753d 💬 6 [21d]
INFO: task hung in synchronize_rcu (4) net fs C done error 894 14h05m 787d 💬 6 [331d]
possible deadlock in evdev_pass_values (2) input 1196 30m 800d
INFO: task hung in hub_port_init (3) usb C error 723 12d 824d 💬 16 [6d17h]
INFO: task hung in del_device_store net syz error 1774 6h43m 847d
INFO: task hung in hub_event (3) usb 403 5h15m 897d 💬 12 [415d]
WARNING in print_bfs_bug (2) kernel C done 288 3d01h 913d 💬 2 [480d]
INFO: task hung in rfkill_sync_work net nfc C done 48 15d 916d PATCH [860d]
INFO: task hung in usb_get_descriptor (2) usb C inconclusive error 862 99d 920d 💬 14 [226d]
INFO: rcu detected stall in syscall_exit_to_user_mode (2) usb C inconclusive 807 1d08h 937d 💬 5 [38d]
BUG: MAX_LOCKDEP_ENTRIES too low! (3) no-reminders smc kernfs C unreliable error 469 251d 956d PATCH [739d]
WARNING in call_timer_fn bluetooth C unreliable 7024 1h10m 956d 💬 8 [6d17h]
INFO: task hung in nfc_rfkill_set_block net nfc C done done 451 1d02h 957d
INFO: rcu detected stall in sys_newfstatat (4) mm C error 427 1d21h 979d 💬 1 [320d]
WARNING in ip_rt_bug (2) net C done error 364 25d 991d 💬 3 [367d]
KASAN: use-after-free Read in usb_anchor_resume_wakeups (4) usb 113 13d 1002d
BUG: soft lockup in tx serial C 93 6d18h 1015d 💬 3 [38d]
INFO: rcu detected stall in dummy_timer (4) usb C inconclusive 25 3d12h 1086d
INFO: task can't die in vlan_ioctl_handler net 165 12d 1126d
KASAN: use-after-free Read in em28xx_init_extension (2) usb media C done 1391 2d00h 1187d 💬 3 [6d17h]
WARNING in blk_register_tracepoints block trace C inconclusive done 64 1h08m 1237d
INFO: task can't die in show_free_areas serial C error 193 8h13m 1252d 💬 1 [38d]
BUG: "hc->tx_t_ipi == NUM" holds (exception!) at net/dccp/ccids/ccid3.c:LINE/ccid3_update_send_interval() net C inconclusive error 64 26d 1266d 💬 1 [164d]
INFO: task hung in blkdev_fallocate block C error error 2065 8d01h 1273d PATCH [1005d]
INFO: task hung in r871xu_dev_remove usb staging C error inconclusive 561 211d 1298d 💬 1 [353d]
WARNING in ieee80211_free_ack_frame (2) wireless C error done 156 12h45m 1322d PATCH [410d]
BUG: MAX_LOCKDEP_CHAINS too low! (3) no-reminders kernel C error 592340 now 1323d PATCH [739d]
possible deadlock in input_event (2) fs C inconclusive 5970 44m 1327d 💬 3 [346d]
INFO: rcu detected stall in sys_exit_group (7) net C unreliable inconclusive 90 356d 1353d
KASAN: use-after-free Read in __dev_queue_xmit (5) block C unreliable error 49 484d 1364d
WARNING in pvr2_send_request_ex/usb_submit_urb usb pvrusb2 C 22 10d 1392d
BUG: MAX_LOCKDEP_KEYS too low! (2) no-reminders net C unreliable 5342 1d04h 1502d PATCH [739d]
possible deadlock in vmci_qp_broker_detach kernel C unreliable error 63 1d17h 1556d 💬 2 [1460d]
KASAN: use-after-free Read in v4l2_fh_open usb media C unreliable inconclusive 1663 4h15m 1595d PATCH [1385d]
WARNING in cm109_urb_irq_callback/usb_submit_urb usb input C unreliable 2255 21m 1642d PATCH [1379d]
INFO: task hung in usbdev_open (2) usb C error 1241 3h35m 1643d 💬 1 [6d17h]
INFO: task hung in fuse_simple_request fuse C inconclusive error 273 279d 1659d 💬 6 [807d]
WARNING in ieee80211_start_next_roc wireless C inconclusive 1213 6d03h 1663d
WARNING in corrupted/usb_submit_urb (2) usb C error done 69 428d 1682d 💬 1 [1628d]
INFO: rcu detected stall in batadv_nc_worker (3) batman C done inconclusive 575 3d11h 1732d 💬 1 [118d]
WARNING in __cfg80211_ibss_joined (2) wireless C error 6772 3d15h 1739d
general protection fault in skb_release_data (2) net bluetooth C done error 703 89d 1754d
INFO: rcu detected stall in corrupted (4) tipc C done inconclusive 668 4d02h 1759d 💬 7 [48d]
INFO: rcu detected stall in tc_modify_qdisc net C done 581 10d 1796d 💬 13 [363d]
BUG: soft lockup in smp_call_function kernel C done 1558 now 1813d 💬 1 [828d]
WARNING in get_probe_ref trace block C done error 18 10d 1868d 💬 9 [11d]
INFO: task hung in tls_sk_proto_close C done error 1046 6h15m 1917d
BUG: workqueue lockup (5) net C done 12764 1h02m 1993d
possible deadlock in __dev_queue_xmit (3) net C done inconclusive 1025 13d 2035d 💬 5 [363d]
WARNING in smsusb_start_streaming/usb_submit_urb usb media C error inconclusive 154 2d03h 2139d PATCH [419d]
KASAN: use-after-free Read in v4l2_fh_init usb media C error inconclusive 4528 now 2263d 💬 4 [6d17h]
WARNING in rcu_check_gp_start_stall net C done error 2596 2d20h 2319d 💬 7 [16d]
INFO: rcu detected stall in do_idle x86 C done error 3145 5h04m 2451d 💬 39 [2000d]
INFO: task hung in iterate_supers 9p C error 5804 1d14h 2546d PATCH [2543d]
WARNING in task_participate_group_stop (2) kernel C inconclusive unreliable 21 8d09h 2618d 💬 1 [2617d]
KASAN: use-after-free Read in ccid2_hc_tx_packet_recv dccp C done error 111 78d 2645d 💬 4 [164d]
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() net C done error 7968 74d 2793d 💬 3 [2639d]
moderation (8):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
general protection fault in inetdev_event net 1 38d 26d
KASAN: slab-use-after-free Read in br_switchdev_fdb_notify bridge 2 25d 31d
KASAN: slab-use-after-free Read in v4l2_ioctl media 1 54d 50d
KASAN: slab-out-of-bounds Read in seq_printf fs 5 49d 154d
general protection fault in fb_videomode_to_var fbdev 4 56d 195d
lost connection to test machine (5) C error 2295784 now 2053d
corrupted report (2) mm 936371 13m 2636d
no output from test machine (2) C done 1856257 now 2759d