[ 25.486984][ T1975] device veth0_vlan entered promiscuous mode [ 25.493636][ T375] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 25.502672][ T375] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 25.511160][ T375] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 25.518525][ T375] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 25.599006][ T375] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 25.643622][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 25.651899][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 25.725908][ T1975] syz-executor.0 (1975) used greatest stack depth: 11032 bytes left [ 26.016105][ T36] device veth0_vlan left promiscuous mode Warning: Permanently added '10.128.1.7' (ED25519) to the list of known hosts. 2024/06/27 15:25:26 ignoring optional flag "sandboxArg"="0" 2024/06/27 15:25:26 parsed 1 programs 2024/06/27 15:25:26 executed programs: 0 [ 42.946126][ T2181] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 43.284680][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.293010][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.316336][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.324504][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.335800][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.344422][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.486800][ T2187] device veth0_vlan entered promiscuous mode [ 43.493468][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.502014][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.510710][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.518415][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.600758][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.647574][ T375] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.655802][ T375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.689593][ T2371] vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(4) [ 43.696109][ T2371] vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) [ 43.703791][ T2371] vhci_hcd vhci_hcd.0: Device attached [ 43.709520][ T2373] vhci_hcd: connection closed [ 43.709644][ T36] vhci_hcd: stop threads [ 43.718815][ T36] vhci_hcd: release socket [ 43.723291][ T36] vhci_hcd: disconnect device [ 44.215174][ T2376] vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(4) [ 44.221773][ T2376] vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) [ 44.229556][ T2376] vhci_hcd vhci_hcd.0: Device attached [ 44.594897][ T93] usb 9-1: new high-speed USB device number 2 using vhci_hcd 2024/06/27 15:25:57 executed programs: 2 [ 75.544358][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.552209][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.576994][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.585193][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.593266][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.601925][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.746919][ T2380] device veth0_vlan entered promiscuous mode [ 75.753621][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.761977][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.770381][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.778295][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.864927][ T2076] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.913398][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 75.921992][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.010446][ T2567] vhci_hcd vhci_hcd.0: port 0 already used 2024/06/27 15:26:29 executed programs: 3 [ 107.281591][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 107.289357][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 107.313757][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 107.322606][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 107.331128][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 107.338974][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 107.477536][ T2571] device veth0_vlan entered promiscuous mode [ 107.483994][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 107.494251][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 107.502256][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 107.509555][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 107.590511][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 107.634623][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 107.643509][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 107.727481][ T2757] vhci_hcd vhci_hcd.0: port 0 already used 2024/06/27 15:27:01 executed programs: 4 [ 139.001665][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 139.009352][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 139.034257][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 139.042549][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 139.050895][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 139.059417][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 139.201941][ T2761] device veth0_vlan entered promiscuous mode [ 139.208630][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 139.217623][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 139.225707][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 139.233284][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 139.322216][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 139.368687][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 139.377442][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 139.460431][ T2947] vhci_hcd vhci_hcd.0: port 0 already used 2024/06/27 15:27:32 executed programs: 5 [ 170.764793][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 170.772204][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 170.797922][ T375] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 170.806982][ T375] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 170.815160][ T375] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 170.822912][ T375] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 170.962834][ T2951] device veth0_vlan entered promiscuous mode [ 170.969379][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 170.977817][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 170.986146][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 170.993454][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 171.081442][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 171.128119][ T2076] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 171.136418][ T2076] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 171.219527][ T3137] vhci_hcd vhci_hcd.0: port 0 already used [ 187.985084][ T28] INFO: task syz-executor.0:2375 blocked for more than 143 seconds. [ 187.993071][ T28] Not tainted 6.1.96-syzkaller #0 [ 187.998819][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 188.007664][ T28] task:syz-executor.0 state:D stack:13872 pid:2375 ppid:2187 flags:0x00004006 [ 188.016924][ T28] Call Trace: [ 188.020244][ T28] [ 188.023153][ T28] __schedule+0x5b6/0x1130 [ 188.027752][ T28] ? usbdev_release+0x27/0x200 [ 188.032579][ T28] schedule+0x50/0xb0 [ 188.036622][ T28] schedule_preempt_disabled+0x2e/0x40 [ 188.042077][ T28] __mutex_lock+0x43b/0x940 [ 188.046675][ T28] usbdev_release+0x27/0x200 [ 188.051248][ T28] __fput+0xe1/0x210 [ 188.055239][ T28] task_work_run+0x79/0xa0 [ 188.059657][ T28] exit_to_user_mode_loop+0xa9/0xc0 [ 188.064968][ T28] exit_to_user_mode_prepare+0x6c/0xc0 [ 188.070398][ T28] syscall_exit_to_user_mode+0x27/0x1b0 [ 188.076018][ T28] do_syscall_64+0x47/0xb0 [ 188.080459][ T28] ? clear_bhb_loop+0x45/0xa0 [ 188.085273][ T28] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 188.091157][ T28] RIP: 0033:0x7f413847cd5a [ 188.095708][ T28] RSP: 002b:00007ffe725a0ee0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 188.104098][ T28] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f413847cd5a [ 188.112095][ T28] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 188.120071][ T28] RBP: 0000000000000032 R08: 0000001b2c660000 R09: 00007f41385abf8c [ 188.128135][ T28] R10: 00007ffe725a1030 R11: 0000000000000293 R12: 00007f41380000c8 [ 188.136178][ T28] R13: ffffffffffffffff R14: 00007f4138000000 R15: 000000000000ac9d [ 188.144212][ T28] [ 188.147301][ T28] [ 188.147301][ T28] Showing all locks held in the system: [ 188.155024][ T28] 1 lock held by rcu_tasks_kthre/12: [ 188.160271][ T28] #0: ffffffff83b87508 (rcu_tasks.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_kthread+0x98/0x450 [ 188.170785][ T28] 1 lock held by rcu_tasks_trace/13: [ 188.176156][ T28] #0: ffffffff83b87b58 (rcu_tasks_trace.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_kthread+0x98/0x450 [ 188.187280][ T28] 1 lock held by khungtaskd/28: [ 188.192099][ T28] #0: ffffffff83b873e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x2c/0x100 [ 188.202015][ T28] 5 locks held by kworker/1:2/93: [ 188.207029][ T28] #0: ffff888100ee7538 ((wq_completion)usb_hub_wq){....}-{0:0}, at: process_one_work+0x1da/0x470 [ 188.217608][ T28] #1: ffffc90001e07e68 ((work_completion)(&hub->events)){....}-{0:0}, at: process_one_work+0x1da/0x470 [ 188.228784][ T28] #2: ffff888108ea8990 (&dev->mutex){....}-{3:3}, at: hub_event+0x7c/0x1bd0 [ 188.237737][ T28] #3: ffff888107af4cf0 (&port_dev->status_lock){....}-{3:3}, at: hub_event+0xded/0x1bd0 [ 188.247800][ T28] #4: ffff888101ab24e8 (hcd->address0_mutex){....}-{3:3}, at: hub_event+0xe00/0x1bd0 [ 188.257405][ T28] 2 locks held by getty/1924: [ 188.262058][ T28] #0: ffff888101ba6898 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x1c/0x40 [ 188.271765][ T28] #1: ffffc90006fcb2f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x20a/0x8e0 [ 188.282028][ T28] 1 lock held by syz-executor.0/2375: [ 188.287388][ T28] #0: ffff888108ea8990 (&dev->mutex){....}-{3:3}, at: usbdev_release+0x27/0x200 [ 188.296648][ T28] 1 lock held by syz-executor.0/2565: [ 188.301983][ T28] #0: ffff888108ea8990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xae/0x2d0 [ 188.310905][ T28] 1 lock held by syz-executor.0/2755: [ 188.316281][ T28] #0: ffff888108ea8990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xae/0x2d0 [ 188.325364][ T28] 1 lock held by syz-executor.0/2945: [ 188.330710][ T28] #0: ffff888108ea8990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xae/0x2d0 [ 188.339580][ T28] 1 lock held by syz-executor.0/3135: [ 188.344930][ T28] #0: ffff888108ea8990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xae/0x2d0 [ 188.353873][ T28] [ 188.356401][ T28] ============================================= [ 188.356401][ T28] [ 188.365150][ T28] NMI backtrace for cpu 0 [ 188.369449][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.96-syzkaller #0 [ 188.377316][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 188.387337][ T28] Call Trace: [ 188.390591][ T28] [ 188.393767][ T28] dump_stack_lvl+0x7f/0xc2 [ 188.398325][ T28] nmi_cpu_backtrace+0x13e/0x160 [ 188.403249][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 188.409382][ T28] nmi_trigger_cpumask_backtrace+0x9c/0x150 [ 188.415496][ T28] watchdog+0x54d/0x570 [ 188.419784][ T28] ? watchdog+0xc9/0x570 [ 188.424092][ T28] ? hungtask_pm_notify+0x20/0x20 [ 188.429074][ T28] kthread+0xd1/0xe0 [ 188.432929][ T28] ? kthread_blkcg+0x30/0x30 [ 188.437478][ T28] ret_from_fork+0x1f/0x30 [ 188.441856][ T28] [ 188.444897][ T28] Sending NMI from CPU 0 to CPUs 1: [ 188.450227][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_enter+0xe5/0x130 [ 188.451203][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 188.466591][ T28] Kernel Offset: disabled [ 188.470889][ T28] Rebooting in 86400 seconds..