Warning: Permanently added '10.128.1.103' (ECDSA) to the list of known hosts. 2021/06/14 05:01:21 parsed 1 programs 2021/06/14 05:01:21 executed programs: 0 syzkaller login: [ 1578.633704][ T8468] chnl_net:caif_netlink_parms(): no params data found [ 1578.716706][ T8468] bridge0: port 1(bridge_slave_0) entered blocking state [ 1578.724802][ T8468] bridge0: port 1(bridge_slave_0) entered disabled state [ 1578.732802][ T8468] device bridge_slave_0 entered promiscuous mode [ 1578.745025][ T8468] bridge0: port 2(bridge_slave_1) entered blocking state [ 1578.753636][ T8468] bridge0: port 2(bridge_slave_1) entered disabled state [ 1578.761567][ T8468] device bridge_slave_1 entered promiscuous mode [ 1578.783670][ T8468] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1578.795833][ T8468] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1578.819668][ T8468] team0: Port device team_slave_0 added [ 1578.829332][ T8468] team0: Port device team_slave_1 added [ 1578.847837][ T8468] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1578.855416][ T8468] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1578.884008][ T8468] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1578.898901][ T8468] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1578.906158][ T8468] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1578.933716][ T8468] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1578.975526][ T8468] device hsr_slave_0 entered promiscuous mode [ 1578.982332][ T8468] device hsr_slave_1 entered promiscuous mode [ 1579.097428][ T8468] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1579.109906][ T8468] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1579.121949][ T8468] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1579.132685][ T8468] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1579.158077][ T8468] bridge0: port 2(bridge_slave_1) entered blocking state [ 1579.165481][ T8468] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1579.174199][ T8468] bridge0: port 1(bridge_slave_0) entered blocking state [ 1579.181291][ T8468] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1579.228248][ T8468] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1579.241014][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1579.255873][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 1579.265373][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 1579.276835][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1579.290680][ T8468] 8021q: adding VLAN 0 to HW filter on device team0 [ 1579.304934][ T8691] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1579.315434][ T8691] bridge0: port 1(bridge_slave_0) entered blocking state [ 1579.322877][ T8691] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1579.337798][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1579.347317][ T37] bridge0: port 2(bridge_slave_1) entered blocking state [ 1579.355352][ T37] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1579.383738][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1579.393960][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1579.404156][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1579.414149][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1579.428015][ T8468] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1579.441020][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1579.451725][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1579.474734][ T8468] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1579.481940][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1579.491015][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1579.514917][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1579.534051][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1579.542435][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1579.551166][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1579.562214][ T8468] device veth0_vlan entered promiscuous mode [ 1579.575572][ T8468] device veth1_vlan entered promiscuous mode [ 1579.598345][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1579.606480][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1579.616951][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1579.629842][ T8468] device veth0_macvtap entered promiscuous mode [ 1579.642105][ T8468] device veth1_macvtap entered promiscuous mode [ 1579.662198][ T8468] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1579.670382][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 1579.679847][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1579.692259][ T8468] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1579.701796][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1579.711692][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1579.725712][ T8468] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1579.736426][ T8468] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1579.746151][ T8468] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1579.757260][ T8468] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1579.864962][ T220] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1579.874808][ T220] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1579.889900][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1579.922282][ T8704] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1579.930978][ T8704] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1579.942693][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1580.464277][ T8691] Bluetooth: hci0: command 0x0409 tx timeout [ 1582.543867][ T5] Bluetooth: hci0: command 0x041b tx timeout 2021/06/14 05:01:27 executed programs: 3 [ 1584.623804][ T8691] Bluetooth: hci0: command 0x040f tx timeout [ 1586.713153][ T8691] Bluetooth: hci0: command 0x0419 tx timeout 2021/06/14 05:01:32 executed programs: 9 2021/06/14 05:01:38 executed programs: 15 [ 1607.104708][ T3255] ieee802154 phy0 wpan0: encryption failed: -22 [ 1607.111450][ T3255] ieee802154 phy1 wpan1: encryption failed: -22 [ 1668.544312][ T3255] ieee802154 phy0 wpan0: encryption failed: -22 [ 1668.551937][ T3255] ieee802154 phy1 wpan1: encryption failed: -22 [ 1701.343329][ T5] Bluetooth: hci0: command 0x0406 tx timeout [ 1729.984703][ T3255] ieee802154 phy0 wpan0: encryption failed: -22 [ 1729.991519][ T3255] ieee802154 phy1 wpan1: encryption failed: -22 [ 1740.863468][ T1615] INFO: task syz-executor.0:8846 can't die for more than 143 seconds. [ 1740.872620][ T1615] task:syz-executor.0 state:D stack:27768 pid: 8846 ppid: 8468 flags:0x00004004 [ 1740.884162][ T1615] Call Trace: [ 1740.887596][ T1615] __schedule+0xb38/0x58c0 [ 1740.892477][ T1615] ? __lock_acquire+0x16a7/0x5230 [ 1740.899955][ T1615] ? io_schedule_timeout+0x140/0x140 [ 1740.905695][ T1615] schedule+0xcf/0x270 [ 1740.910555][ T1615] schedule_timeout+0x1db/0x250 [ 1740.916115][ T1615] ? usleep_range+0x170/0x170 [ 1740.920974][ T1615] ? wait_for_completion+0x160/0x270 [ 1740.927090][ T1615] ? lock_downgrade+0x6e0/0x6e0 [ 1740.932324][ T1615] ? do_raw_spin_lock+0x120/0x2b0 [ 1740.938373][ T1615] ? rwlock_bug.part.0+0x90/0x90 [ 1740.943626][ T1615] ? _raw_spin_unlock_irq+0x1f/0x40 [ 1740.949045][ T1615] wait_for_completion+0x168/0x270 [ 1740.955412][ T1615] ? __flush_work+0x4e0/0xad0 [ 1740.961831][ T1615] ? bit_wait_io_timeout+0x160/0x160 [ 1740.968799][ T1615] ? _raw_spin_unlock_irq+0x1f/0x40 [ 1740.975346][ T1615] __flush_work+0x50e/0xad0 [ 1740.980042][ T1615] ? queue_delayed_work_on+0x120/0x120 [ 1740.987369][ T1615] ? __flush_work+0x815/0xad0 [ 1740.994143][ T1615] ? flush_workqueue_prep_pwqs+0x510/0x510 [ 1741.001626][ T1615] ? try_to_grab_pending+0xbd/0xd0 [ 1741.010098][ T1615] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1741.019615][ T1615] __cancel_work_timer+0x3f9/0x570 [ 1741.027815][ T1615] ? try_to_grab_pending+0xd0/0xd0 [ 1741.035357][ T1615] ? p9_fd_close+0x280/0x520 [ 1741.040263][ T1615] ? lock_downgrade+0x6e0/0x6e0 [ 1741.047571][ T1615] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 1741.054500][ T1615] p9_fd_close+0x305/0x520 [ 1741.059512][ T1615] ? p9_client_create+0xa46/0x1110 [ 1741.066381][ T1615] p9_client_create+0x95a/0x1110 [ 1741.072654][ T1615] ? p9_client_flush+0x430/0x430 [ 1741.080640][ T1615] ? lockdep_init_map_type+0x2c3/0x7b0 [ 1741.089551][ T1615] ? rcu_read_lock_sched_held+0x3a/0x70 [ 1741.097444][ T1615] ? __raw_spin_lock_init+0x36/0x110 [ 1741.104718][ T1615] v9fs_session_init+0x1dd/0x17b0 [ 1741.111467][ T1615] ? v9fs_show_options+0x780/0x780 [ 1741.118139][ T1615] ? rcu_read_lock_sched_held+0x3a/0x70 [ 1741.124671][ T1615] v9fs_mount+0x79/0x9c0 [ 1741.129021][ T1615] ? v9fs_write_inode+0x60/0x60 [ 1741.135746][ T1615] legacy_get_tree+0x105/0x220 [ 1741.140724][ T1615] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1741.147287][ T1615] vfs_get_tree+0x89/0x2f0 [ 1741.151872][ T1615] path_mount+0x132a/0x1fa0 [ 1741.157800][ T1615] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1741.164786][ T1615] ? strncpy_from_user+0x2a0/0x3e0 [ 1741.170211][ T1615] ? finish_automount+0xaf0/0xaf0 [ 1741.176385][ T1615] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1741.183029][ T1615] ? getname_flags.part.0+0x1dd/0x4f0 [ 1741.189679][ T1615] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1741.197214][ T1615] __x64_sys_mount+0x27f/0x300 [ 1741.202876][ T1615] ? copy_mnt_ns+0xae0/0xae0 [ 1741.208716][ T1615] ? syscall_enter_from_user_mode+0x21/0x70 [ 1741.215522][ T1615] do_syscall_64+0x31/0xb0 [ 1741.220079][ T1615] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1741.227153][ T1615] RIP: 0033:0x4665d9 [ 1741.231059][ T1615] RSP: 002b:00007fa28cac1188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1741.240852][ T1615] RAX: ffffffffffffffda RBX: 000000000056c1a8 RCX: 00000000004665d9 [ 1741.250183][ T1615] RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000000000000 [ 1741.259158][ T1615] RBP: 00000000004bfcb9 R08: 0000000020000580 R09: 0000000000000000 [ 1741.274542][ T1615] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c1a8 [ 1741.285727][ T1615] R13: 00007ffdb0732c1f R14: 00007fa28cac1300 R15: 0000000000022000 [ 1741.297227][ T1615] INFO: task syz-executor.0:8846 blocked for more than 143 seconds. [ 1741.307264][ T1615] Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 [ 1741.315807][ T1615] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1741.325592][ T1615] task:syz-executor.0 state:D stack:27768 pid: 8846 ppid: 8468 flags:0x00004004 [ 1741.335974][ T1615] Call Trace: [ 1741.339511][ T1615] __schedule+0xb38/0x58c0 [ 1741.344801][ T1615] ? __lock_acquire+0x16a7/0x5230 [ 1741.350318][ T1615] ? io_schedule_timeout+0x140/0x140 [ 1741.356240][ T1615] schedule+0xcf/0x270 [ 1741.360532][ T1615] schedule_timeout+0x1db/0x250 [ 1741.366812][ T1615] ? usleep_range+0x170/0x170 [ 1741.371806][ T1615] ? wait_for_completion+0x160/0x270 [ 1741.378574][ T1615] ? lock_downgrade+0x6e0/0x6e0 [ 1741.384887][ T1615] ? do_raw_spin_lock+0x120/0x2b0 [ 1741.390443][ T1615] ? rwlock_bug.part.0+0x90/0x90 [ 1741.396557][ T1615] ? _raw_spin_unlock_irq+0x1f/0x40 [ 1741.402355][ T1615] wait_for_completion+0x168/0x270 [ 1741.409571][ T1615] ? __flush_work+0x4e0/0xad0 [ 1741.415512][ T1615] ? bit_wait_io_timeout+0x160/0x160 [ 1741.421716][ T1615] ? _raw_spin_unlock_irq+0x1f/0x40 [ 1741.428634][ T1615] __flush_work+0x50e/0xad0 [ 1741.434555][ T1615] ? queue_delayed_work_on+0x120/0x120 [ 1741.441277][ T1615] ? __flush_work+0x815/0xad0 [ 1741.448348][ T1615] ? flush_workqueue_prep_pwqs+0x510/0x510 [ 1741.454980][ T1615] ? try_to_grab_pending+0xbd/0xd0 [ 1741.460554][ T1615] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1741.467339][ T1615] __cancel_work_timer+0x3f9/0x570 [ 1741.472513][ T1615] ? try_to_grab_pending+0xd0/0xd0 [ 1741.479067][ T1615] ? p9_fd_close+0x280/0x520 [ 1741.484094][ T1615] ? lock_downgrade+0x6e0/0x6e0 [ 1741.490029][ T1615] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 1741.498667][ T1615] p9_fd_close+0x305/0x520 [ 1741.505745][ T1615] ? p9_client_create+0xa46/0x1110 [ 1741.511373][ T1615] p9_client_create+0x95a/0x1110 [ 1741.517798][ T1615] ? p9_client_flush+0x430/0x430 [ 1741.525243][ T1615] ? lockdep_init_map_type+0x2c3/0x7b0 [ 1741.531835][ T1615] ? rcu_read_lock_sched_held+0x3a/0x70 [ 1741.539017][ T1615] ? __raw_spin_lock_init+0x36/0x110 [ 1741.545792][ T1615] v9fs_session_init+0x1dd/0x17b0 [ 1741.551478][ T1615] ? v9fs_show_options+0x780/0x780 [ 1741.558556][ T1615] ? rcu_read_lock_sched_held+0x3a/0x70 [ 1741.564812][ T1615] v9fs_mount+0x79/0x9c0 [ 1741.569915][ T1615] ? v9fs_write_inode+0x60/0x60 [ 1741.575592][ T1615] legacy_get_tree+0x105/0x220 [ 1741.580838][ T1615] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1741.589061][ T1615] vfs_get_tree+0x89/0x2f0 [ 1741.594869][ T1615] path_mount+0x132a/0x1fa0 [ 1741.600046][ T1615] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1741.608304][ T1615] ? strncpy_from_user+0x2a0/0x3e0 [ 1741.614774][ T1615] ? finish_automount+0xaf0/0xaf0 [ 1741.620127][ T1615] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1741.626803][ T1615] ? getname_flags.part.0+0x1dd/0x4f0 [ 1741.633495][ T1615] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1741.639963][ T1615] __x64_sys_mount+0x27f/0x300 [ 1741.645456][ T1615] ? copy_mnt_ns+0xae0/0xae0 [ 1741.650176][ T1615] ? syscall_enter_from_user_mode+0x21/0x70 [ 1741.657424][ T1615] do_syscall_64+0x31/0xb0 [ 1741.662303][ T1615] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1741.668651][ T1615] RIP: 0033:0x4665d9 [ 1741.672582][ T1615] RSP: 002b:00007fa28cac1188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1741.683614][ T1615] RAX: ffffffffffffffda RBX: 000000000056c1a8 RCX: 00000000004665d9 [ 1741.694044][ T1615] RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000000000000 [ 1741.702280][ T1615] RBP: 00000000004bfcb9 R08: 0000000020000580 R09: 0000000000000000 [ 1741.710962][ T1615] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c1a8 [ 1741.719557][ T1615] R13: 00007ffdb0732c1f R14: 00007fa28cac1300 R15: 0000000000022000 [ 1741.728240][ T1615] [ 1741.728240][ T1615] Showing all locks held in the system: [ 1741.737534][ T1615] 2 locks held by kworker/1:1/37: [ 1741.742668][ T1615] #0: ffff888011064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 [ 1741.755404][ T1615] #1: ffffc90000e2fda8 ((work_completion)(&m->wq)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 [ 1741.766646][ T1615] 1 lock held by khungtaskd/1615: [ 1741.772361][ T1615] #0: ffffffff8c17afe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 1741.783955][ T1615] 1 lock held by in:imklog/8148: [ 1741.789789][ T1615] #0: ffff888027f38370 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 [ 1741.800595][ T1615] [ 1741.804326][ T1615] ============================================= [ 1741.804326][ T1615] [ 1741.815170][ T1615] NMI backtrace for cpu 1 [ 1741.819730][ T1615] CPU: 1 PID: 1615 Comm: khungtaskd Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 [ 1741.829280][ T1615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1741.839617][ T1615] Call Trace: [ 1741.843302][ T1615] dump_stack_lvl+0x13e/0x1d6 [ 1741.848126][ T1615] nmi_cpu_backtrace.cold+0x44/0xd7 [ 1741.857264][ T1615] ? lapic_can_unplug_cpu+0x80/0x80 [ 1741.863521][ T1615] nmi_trigger_cpumask_backtrace+0x1b3/0x230 [ 1741.870201][ T1615] watchdog+0xd3b/0xf50 [ 1741.875091][ T1615] ? trace_sched_process_hang+0x280/0x280 [ 1741.881953][ T1615] kthread+0x3b1/0x4a0 [ 1741.886479][ T1615] ? __kthread_bind_mask+0xc0/0xc0 [ 1741.892417][ T1615] ret_from_fork+0x1f/0x30 [ 1741.897959][ T1615] Sending NMI from CPU 1 to CPUs 0: [ 1741.904175][ C0] NMI backtrace for cpu 0 [ 1741.904186][ C0] CPU: 0 PID: 8704 Comm: kworker/u4:1 Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 [ 1741.904198][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1741.904207][ C0] Workqueue: bat_events batadv_nc_worker [ 1741.904220][ C0] RIP: 0010:lock_is_held_type+0x4a/0x140 [ 1741.904232][ C0] Code: 00 00 65 8b 05 37 9b e4 76 85 c0 0f 85 c8 00 00 00 65 4c 8b 24 25 00 f0 01 00 41 8b 94 24 24 0a 00 00 85 d2 0f 85 af 00 00 00 <48> 89 fd 41 89 f6 9c 8f 04 24 fa 48 c7 c7 60 b8 8b 89 31 db e8 ad [ 1741.904248][ C0] RSP: 0018:ffffc9000246fb50 EFLAGS: 00000246 [ 1741.904260][ C0] RAX: 0000000000000000 RBX: 1ffff9200048df76 RCX: 0000000000000001 [ 1741.904270][ C0] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff8c17af20 [ 1741.904279][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8de9c4d7 [ 1741.904288][ C0] R10: fffffbfff1bd389a R11: 0000000000000000 R12: ffff888023830000 [ 1741.904297][ C0] R13: 00000000ffffffff R14: 0000000000000000 R15: 0000000000000000 [ 1741.904307][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 1741.904316][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1741.904324][ C0] CR2: 00007f11ab416000 CR3: 0000000013dc6000 CR4: 00000000001506f0 [ 1741.904333][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1741.904342][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1741.904350][ C0] Call Trace: [ 1741.904355][ C0] rcu_read_lock_sched_held+0x3a/0x70 [ 1741.904362][ C0] lock_acquire+0x58a/0x740 [ 1741.904368][ C0] ? lock_release+0x720/0x720 [ 1741.904374][ C0] ? batadv_nc_worker+0x74f/0xe50 [ 1741.904380][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 1741.904395][ C0] batadv_nc_worker+0x12d/0xe50 [ 1741.904401][ C0] ? batadv_nc_worker+0xf3/0xe50 [ 1741.904408][ C0] process_one_work+0x98d/0x1600 [ 1741.904414][ C0] ? pwq_dec_nr_in_flight+0x320/0x320 [ 1741.904421][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 1741.904427][ C0] ? _raw_spin_lock_irq+0x41/0x50 [ 1741.904434][ C0] worker_thread+0x64c/0x1120 [ 1741.904440][ C0] ? __kthread_parkme+0x13f/0x1e0 [ 1741.904446][ C0] ? process_one_work+0x1600/0x1600 [ 1741.904452][ C0] kthread+0x3b1/0x4a0 [ 1741.904458][ C0] ? __kthread_bind_mask+0xc0/0xc0 [ 1741.904464][ C0] ret_from_fork+0x1f/0x30 [ 1741.904742][ T1615] Kernel panic - not syncing: hung_task: blocked tasks [ 1742.158690][ T1615] CPU: 1 PID: 1615 Comm: khungtaskd Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 [ 1742.168260][ T1615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1742.178551][ T1615] Call Trace: [ 1742.182739][ T1615] dump_stack_lvl+0x13e/0x1d6 [ 1742.187718][ T1615] panic+0x306/0x73d [ 1742.191860][ T1615] ? __warn_printk+0xf3/0xf3 [ 1742.196577][ T1615] ? lapic_can_unplug_cpu+0x80/0x80 [ 1742.201899][ T1615] ? preempt_schedule_thunk+0x16/0x18 [ 1742.207420][ T1615] ? nmi_trigger_cpumask_backtrace+0x196/0x230 [ 1742.213623][ T1615] ? watchdog.cold+0x22d/0x248 [ 1742.218567][ T1615] watchdog.cold+0x23e/0x248 [ 1742.223464][ T1615] ? trace_sched_process_hang+0x280/0x280 [ 1742.229225][ T1615] kthread+0x3b1/0x4a0 [ 1742.233511][ T1615] ? __kthread_bind_mask+0xc0/0xc0 [ 1742.238675][ T1615] ret_from_fork+0x1f/0x30 [ 1742.244229][ T1615] Kernel Offset: disabled [ 1742.248907][ T1615] Rebooting in 86400 seconds..