Warning: Permanently added '10.128.0.12' (ECDSA) to the list of known hosts. syzkaller login: [ 483.302644][ T8457] chnl_net:caif_netlink_parms(): no params data found [ 483.368337][ T8457] bridge0: port 1(bridge_slave_0) entered blocking state [ 483.376194][ T8457] bridge0: port 1(bridge_slave_0) entered disabled state [ 483.385200][ T8457] device bridge_slave_0 entered promiscuous mode [ 483.395622][ T8457] bridge0: port 2(bridge_slave_1) entered blocking state [ 483.402865][ T8457] bridge0: port 2(bridge_slave_1) entered disabled state [ 483.410908][ T8457] device bridge_slave_1 entered promiscuous mode [ 483.438920][ T8457] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 483.449663][ T8457] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 483.482930][ T8457] team0: Port device team_slave_0 added [ 483.490743][ T8457] team0: Port device team_slave_1 added [ 483.519599][ T8457] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 483.526574][ T8457] 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. [ 483.552663][ T8457] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 483.565290][ T8457] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 483.573468][ T8457] 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. [ 483.599627][ T8457] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 483.636955][ T8457] device hsr_slave_0 entered promiscuous mode [ 483.644165][ T8457] device hsr_slave_1 entered promiscuous mode [ 483.765923][ T8457] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 483.777535][ T8457] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 483.788940][ T8457] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 483.797676][ T8457] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 483.825285][ T8457] bridge0: port 2(bridge_slave_1) entered blocking state [ 483.832447][ T8457] bridge0: port 2(bridge_slave_1) entered forwarding state [ 483.840401][ T8457] bridge0: port 1(bridge_slave_0) entered blocking state [ 483.847461][ T8457] bridge0: port 1(bridge_slave_0) entered forwarding state [ 483.889124][ T8457] 8021q: adding VLAN 0 to HW filter on device bond0 [ 483.901849][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 483.912515][ T29] bridge0: port 1(bridge_slave_0) entered disabled state [ 483.921472][ T29] bridge0: port 2(bridge_slave_1) entered disabled state [ 483.931102][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 483.944148][ T8457] 8021q: adding VLAN 0 to HW filter on device team0 [ 483.955612][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 483.965305][ T8776] bridge0: port 1(bridge_slave_0) entered blocking state [ 483.972441][ T8776] bridge0: port 1(bridge_slave_0) entered forwarding state [ 483.991045][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 483.999552][ T8776] bridge0: port 2(bridge_slave_1) entered blocking state [ 484.006819][ T8776] bridge0: port 2(bridge_slave_1) entered forwarding state [ 484.022663][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 484.031124][ T8776] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 484.044047][ T8777] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 484.058864][ T8777] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 484.066965][ T8777] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 484.079416][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 484.097256][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 484.105439][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 484.120537][ T8457] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 484.137777][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 484.157501][ T8777] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 484.166000][ T8777] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 484.174461][ T8777] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 484.185906][ T8457] device veth0_vlan entered promiscuous mode [ 484.198046][ T8457] device veth1_vlan entered promiscuous mode [ 484.219455][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 484.227355][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 484.236271][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 484.248198][ T8457] device veth0_macvtap entered promiscuous mode [ 484.257609][ T8457] device veth1_macvtap entered promiscuous mode [ 484.269850][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 484.285691][ T8457] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 484.294638][ T8777] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 484.303297][ T8777] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 484.315465][ T8457] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 484.322975][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 484.331461][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 484.343415][ T8457] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 484.355880][ T8457] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 484.368011][ T8457] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 484.376773][ T8457] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 484.420593][ T8781] netlink: 'syz-executor112': attribute type 4 has an invalid length. [ 721.211168][ T1655] INFO: task syz-executor112:8781 blocked for more than 143 seconds. [ 721.219355][ T1655] Not tainted 5.14.0-rc4-syzkaller #0 [ 721.227471][ T1655] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 721.240560][ T1655] task:syz-executor112 state:D stack:23024 pid: 8781 ppid: 8457 flags:0x00000004 [ 721.249793][ T1655] Call Trace: [ 721.256669][ T1655] __schedule+0x93a/0x26f0 [ 721.261613][ T1655] ? io_schedule_timeout+0x140/0x140 [ 721.266915][ T1655] ? lock_chain_count+0x20/0x20 [ 721.272344][ T1655] schedule+0xd3/0x270 [ 721.276434][ T1655] schedule_timeout+0x1db/0x2a0 [ 721.281688][ T1655] ? usleep_range+0x170/0x170 [ 721.286389][ T1655] ? wait_for_completion+0x16e/0x280 [ 721.292230][ T1655] ? mark_held_locks+0x9f/0xe0 [ 721.297016][ T1655] ? rwlock_bug.part.0+0x90/0x90 [ 721.302411][ T1655] ? _raw_spin_unlock_irq+0x1f/0x40 [ 721.307701][ T1655] wait_for_completion+0x176/0x280 [ 721.313379][ T1655] ? __flush_work+0x4e0/0xad0 [ 721.318159][ T1655] ? bit_wait_io_timeout+0x160/0x160 [ 721.323843][ T1655] ? _raw_spin_unlock_irq+0x1f/0x40 [ 721.329090][ T1655] __flush_work+0x50e/0xad0 [ 721.334133][ T1655] ? debug_object_assert_init+0x246/0x2e0 [ 721.339938][ T1655] ? queue_delayed_work_on+0x120/0x120 [ 721.345790][ T1655] ? flush_workqueue_prep_pwqs+0x510/0x510 [ 721.352044][ T1655] ? mark_held_locks+0x9f/0xe0 [ 721.356847][ T1655] __cancel_work_timer+0x3f9/0x570 [ 721.363104][ T1655] ? try_to_grab_pending+0xd0/0xd0 [ 721.368248][ T1655] ? lock_release+0x720/0x720 [ 721.374233][ T1655] tls_sk_proto_close+0x4a7/0xaf0 [ 721.379360][ T1655] ? wait_on_pending_writer+0x430/0x430 [ 721.385750][ T1655] ? ip_mc_drop_socket+0x16/0x260 [ 721.391934][ T1655] inet_release+0x12e/0x280 [ 721.396472][ T1655] inet6_release+0x4c/0x70 [ 721.401333][ T1655] __sock_release+0xcd/0x280 [ 721.405995][ T1655] sock_close+0x18/0x20 [ 721.410276][ T1655] __fput+0x288/0x920 [ 721.414320][ T1655] ? __sock_release+0x280/0x280 [ 721.419188][ T1655] task_work_run+0xdd/0x1a0 [ 721.425019][ T1655] exit_to_user_mode_prepare+0x27e/0x290 [ 721.430849][ T1655] syscall_exit_to_user_mode+0x19/0x60 [ 721.436344][ T1655] do_syscall_64+0x42/0xb0 [ 721.441619][ T1655] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 721.447539][ T1655] RIP: 0033:0x405573 [ 721.452805][ T1655] RSP: 002b:00007ffe116bb5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 721.461791][ T1655] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000405573 [ 721.469757][ T1655] RDX: fffffffffffffe60 RSI: 00000000200005c0 RDI: 0000000000000005 [ 721.478775][ T1655] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffffffffffe60 [ 721.487191][ T1655] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe116bb5c0 [ 721.495363][ T1655] R13: 00000000000f4240 R14: 00000000004b8018 R15: 00000000004004b8 [ 721.503491][ T1655] [ 721.503491][ T1655] Showing all locks held in the system: [ 721.511355][ T1655] 1 lock held by khungtaskd/1655: [ 721.516364][ T1655] #0: ffffffff8b97c180 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 721.526316][ T1655] 1 lock held by in:imklog/8163: [ 721.531316][ T1655] 3 locks held by kworker/0:1/8776: [ 721.536515][ T1655] #0: ffff888010864d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x1630 [ 721.546918][ T1655] #1: ffffc900023afdb0 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1630 [ 721.560088][ T1655] #2: ffff8880164e9cd8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x127/0x190 [ 721.569633][ T1655] 1 lock held by syz-executor112/8781: [ 721.575136][ T1655] #0: ffff888039914c90 (&sb->s_type->i_mutex_key#13){+.+.}-{3:3}, at: __sock_release+0x86/0x280 [ 721.586300][ T1655] [ 721.588626][ T1655] ============================================= [ 721.588626][ T1655] [ 721.597112][ T1655] NMI backtrace for cpu 1 [ 721.601508][ T1655] CPU: 1 PID: 1655 Comm: khungtaskd Not tainted 5.14.0-rc4-syzkaller #0 [ 721.609839][ T1655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 721.619887][ T1655] Call Trace: [ 721.623163][ T1655] dump_stack_lvl+0xcd/0x134 [ 721.627841][ T1655] nmi_cpu_backtrace.cold+0x44/0xd7 [ 721.633043][ T1655] ? lapic_can_unplug_cpu+0x80/0x80 [ 721.638332][ T1655] nmi_trigger_cpumask_backtrace+0x1b3/0x230 [ 721.644371][ T1655] watchdog+0xd0a/0xfc0 [ 721.648557][ T1655] ? reset_hung_task_detector+0x30/0x30 [ 721.654116][ T1655] kthread+0x3e5/0x4d0 [ 721.658190][ T1655] ? set_kthread_struct+0x130/0x130 [ 721.663405][ T1655] ret_from_fork+0x1f/0x30 [ 721.667982][ T1655] Sending NMI from CPU 1 to CPUs 0: [ 721.673837][ C0] NMI backtrace for cpu 0 [ 721.673848][ C0] CPU: 0 PID: 4871 Comm: systemd-journal Not tainted 5.14.0-rc4-syzkaller #0 [ 721.673860][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 721.673870][ C0] RIP: 0010:__slab_free+0xd8/0x680 [ 721.673883][ C0] Code: 89 44 24 48 0f b6 44 24 4c 74 07 45 31 f6 84 c0 74 0e 45 31 f6 80 7c 24 48 00 0f 84 8d 01 00 00 41 f6 45 0b 40 48 8b 4c 24 78 <0f> 84 c2 00 00 00 48 83 7c 24 10 00 0f 85 f5 02 00 00 48 8b 7c 24 [ 721.673902][ C0] RSP: 0018:ffffc9000135fbb0 EFLAGS: 00000202 [ 721.673916][ C0] RAX: 0000000000000000 RBX: ffff88803d29c000 RCX: 0000000080040001 [ 721.673926][ C0] RDX: 0000000080040002 RSI: ffff88803d29a000 RDI: ffff88803d29c000 [ 721.673936][ C0] RBP: ffffc9000135fc78 R08: 0000000000000001 R09: ffffffff81bc4005 [ 721.673946][ C0] R10: ffffffff81347eca R11: 000000000000003f R12: 0000000080040001 [ 721.673956][ C0] R13: ffff888010842140 R14: 0000000000000000 R15: ffffea0000f4a600 [ 721.673967][ C0] FS: 00007f55691e08c0(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 721.673977][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 721.673986][ C0] CR2: 00007f55665ba000 CR3: 000000002071c000 CR4: 00000000001506f0 [ 721.673997][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 721.674007][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 721.674015][ C0] Call Trace: [ 721.674021][ C0] ? ___cache_free+0x20/0x360 [ 721.674027][ C0] ? lockdep_hardirqs_on+0x79/0x100 [ 721.674034][ C0] qlist_free_all+0x5a/0xc0 [ 721.674040][ C0] kasan_quarantine_reduce+0x180/0x200 [ 721.674047][ C0] __kasan_slab_alloc+0x8e/0xa0 [ 721.674054][ C0] kmem_cache_alloc+0x285/0x4a0 [ 721.674060][ C0] getname_flags.part.0+0x50/0x4f0 [ 721.674067][ C0] getname+0x8e/0xd0 [ 721.674072][ C0] do_sys_openat2+0xf5/0x420 [ 721.674079][ C0] ? build_open_flags+0x6f0/0x6f0 [ 721.674085][ C0] ? __context_tracking_exit+0xb8/0xe0 [ 721.674092][ C0] __x64_sys_open+0x119/0x1c0 [ 721.674099][ C0] ? do_sys_open+0x140/0x140 [ 721.674105][ C0] ? __secure_computing+0x104/0x360 [ 721.674112][ C0] do_syscall_64+0x35/0xb0 [ 721.674118][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 721.674125][ C0] RIP: 0033:0x7f556876f840 [ 721.674137][ C0] Code: 73 01 c3 48 8b 0d 68 77 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 89 bb 20 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 [ 721.674156][ C0] RSP: 002b:00007ffeb2de6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 721.674172][ C0] RAX: ffffffffffffffda RBX: 00007ffeb2de6f80 RCX: 00007f556876f840 [ 721.674182][ C0] RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 000055625d031e90 [ 721.674192][ C0] RBP: 000000000000000d R08: 000000000000ffc0 R09: 00000000ffffffff [ 721.674202][ C0] R10: 0000000000000069 R11: 0000000000000246 R12: 00000000ffffffff [ 721.674212][ C0] R13: 000055625d027040 R14: 00007ffeb2de6f40 R15: 000055625d031cb0 [ 721.675449][ T1655] Kernel panic - not syncing: hung_task: blocked tasks [ 721.967356][ T1655] CPU: 1 PID: 1655 Comm: khungtaskd Not tainted 5.14.0-rc4-syzkaller #0 [ 721.975690][ T1655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 721.985757][ T1655] Call Trace: [ 721.989031][ T1655] dump_stack_lvl+0xcd/0x134 [ 721.993628][ T1655] panic+0x306/0x73d [ 721.997524][ T1655] ? __warn_printk+0xf3/0xf3 [ 722.002203][ T1655] ? lapic_can_unplug_cpu+0x80/0x80 [ 722.007404][ T1655] ? preempt_schedule_thunk+0x16/0x18 [ 722.012790][ T1655] ? nmi_trigger_cpumask_backtrace+0x196/0x230 [ 722.018946][ T1655] ? watchdog.cold+0x5/0x158 [ 722.023567][ T1655] watchdog.cold+0x16/0x158 [ 722.028073][ T1655] ? reset_hung_task_detector+0x30/0x30 [ 722.033633][ T1655] kthread+0x3e5/0x4d0 [ 722.037699][ T1655] ? set_kthread_struct+0x130/0x130 [ 722.042915][ T1655] ret_from_fork+0x1f/0x30 [ 722.048869][ T1655] Kernel Offset: disabled [ 722.053189][ T1655] Rebooting in 86400 seconds..