Warning: Permanently added '10.128.10.60' (ECDSA) to the list of known hosts. syzkaller login: [ 232.534570][ T9794] IPVS: ftp: loaded support on port[0] = 21 [ 232.581822][ T9794] chnl_net:caif_netlink_parms(): no params data found [ 232.602499][ T9794] bridge0: port 1(bridge_slave_0) entered blocking state [ 232.609658][ T9794] bridge0: port 1(bridge_slave_0) entered disabled state [ 232.617177][ T9794] device bridge_slave_0 entered promiscuous mode [ 232.624271][ T9794] bridge0: port 2(bridge_slave_1) entered blocking state [ 232.631729][ T9794] bridge0: port 2(bridge_slave_1) entered disabled state [ 232.639244][ T9794] device bridge_slave_1 entered promiscuous mode [ 232.652461][ T9794] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 232.663011][ T9794] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 232.679616][ T9794] team0: Port device team_slave_0 added [ 232.686033][ T9794] team0: Port device team_slave_1 added [ 232.738018][ T9794] device hsr_slave_0 entered promiscuous mode [ 232.806516][ T9794] device hsr_slave_1 entered promiscuous mode [ 232.881481][ T9794] bridge0: port 2(bridge_slave_1) entered blocking state [ 232.888595][ T9794] bridge0: port 2(bridge_slave_1) entered forwarding state [ 232.895999][ T9794] bridge0: port 1(bridge_slave_0) entered blocking state [ 232.903093][ T9794] bridge0: port 1(bridge_slave_0) entered forwarding state [ 232.927469][ T9794] 8021q: adding VLAN 0 to HW filter on device bond0 [ 232.938629][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 232.957101][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 232.964710][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 232.972606][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 232.982585][ T9794] 8021q: adding VLAN 0 to HW filter on device team0 [ 232.991866][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 233.000482][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 233.007579][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 233.025422][ T9794] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 233.036154][ T9794] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 233.048218][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 233.057556][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 233.064597][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 233.072637][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 233.082380][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 233.090861][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 233.099131][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 233.113443][ T9794] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 233.121137][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 233.128948][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 338.256226][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 338.262982][ C1] rcu: 1-...!: (10499 ticks this GP) idle=f26/1/0x4000000000000002 softirq=10276/10280 fqs=0 [ 338.273311][ C1] (t=10500 jiffies g=9285 q=144) [ 338.278337][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g9285 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 338.289770][ C1] rcu: RCU grace-period kthread stack dump: [ 338.295648][ C1] rcu_preempt I29520 10 2 0x80004000 [ 338.301978][ C1] Call Trace: [ 338.305334][ C1] __schedule+0x755/0x1580 [ 338.309750][ C1] ? __sched_text_start+0x8/0x8 [ 338.314597][ C1] schedule+0xd9/0x260 [ 338.318659][ C1] schedule_timeout+0x486/0xc50 [ 338.323759][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 338.328692][ C1] ? usleep_range+0x170/0x170 [ 338.333361][ C1] ? trace_hardirqs_on+0x67/0x240 [ 338.338394][ C1] ? __kasan_check_read+0x11/0x20 [ 338.343415][ C1] ? __next_timer_interrupt+0x1a0/0x1a0 [ 338.348951][ C1] ? swake_up_one+0x60/0x60 [ 338.353444][ C1] ? trace_hardirqs_on+0x67/0x240 [ 338.358472][ C1] rcu_gp_kthread+0x9b2/0x18c0 [ 338.363242][ C1] ? rcu_barrier+0x310/0x310 [ 338.367819][ C1] ? trace_hardirqs_on+0x67/0x240 [ 338.372833][ C1] ? __kasan_check_read+0x11/0x20 [ 338.377853][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 338.384085][ C1] ? __kthread_parkme+0x108/0x1c0 [ 338.389098][ C1] ? __kasan_check_read+0x11/0x20 [ 338.394113][ C1] kthread+0x361/0x430 [ 338.398177][ C1] ? rcu_barrier+0x310/0x310 [ 338.402756][ C1] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 338.408990][ C1] ret_from_fork+0x24/0x30 [ 338.413430][ C1] NMI backtrace for cpu 1 [ 338.417758][ C1] CPU: 1 PID: 9848 Comm: syz-executor160 Not tainted 5.3.0-rc8+ #0 [ 338.425647][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 338.435836][ C1] Call Trace: [ 338.439120][ C1] [ 338.442048][ C1] dump_stack+0x172/0x1f0 [ 338.446374][ C1] nmi_cpu_backtrace.cold+0x70/0xb2 [ 338.451568][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.457831][ C1] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 338.463464][ C1] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 338.470225][ C1] arch_trigger_cpumask_backtrace+0x14/0x20 [ 338.476110][ C1] rcu_dump_cpu_stacks+0x183/0x1cf [ 338.481220][ C1] rcu_sched_clock_irq.cold+0x4dd/0xc13 [ 338.486757][ C1] ? raise_softirq+0x138/0x340 [ 338.491516][ C1] update_process_times+0x32/0x80 [ 338.496532][ C1] tick_sched_handle+0xa2/0x190 [ 338.501567][ C1] tick_sched_timer+0x53/0x140 [ 338.506324][ C1] __hrtimer_run_queues+0x364/0xe40 [ 338.511515][ C1] ? tick_sched_do_timer+0x1b0/0x1b0 [ 338.516813][ C1] ? hrtimer_start_range_ns+0xcb0/0xcb0 [ 338.522365][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 338.528096][ C1] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 338.534162][ C1] hrtimer_interrupt+0x314/0x770 [ 338.539169][ C1] smp_apic_timer_interrupt+0x160/0x610 [ 338.544717][ C1] apic_timer_interrupt+0xf/0x20 [ 338.549656][ C1] [ 338.552591][ C1] RIP: 0010:native_queued_spin_lock_slowpath+0x132/0x9f0 [ 338.559605][ C1] Code: 00 00 00 48 8b 45 d0 65 48 33 04 25 28 00 00 00 0f 85 37 07 00 00 48 81 c4 98 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 f3 90 73 ff ff ff 8b 45 98 4c 8d 65 d8 3d 00 01 00 00 0f 84 e5 00 00 [ 338.579204][ C1] RSP: 0018:ffff88809207f2f8 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 [ 338.587627][ C1] RAX: 0000000000000000 RBX: ffff88809227b768 RCX: ffffffff81595bd7 [ 338.595589][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88809227b768 [ 338.603554][ C1] RBP: ffff88809207f3b8 R08: 1ffff1101244f6ed R09: ffffed101244f6ee [ 338.611516][ C1] R10: ffffed101244f6ed R11: ffff88809227b76b R12: 0000000000000001 [ 338.619481][ C1] R13: 0000000000000003 R14: ffffed101244f6ed R15: 0000000000000001 [ 338.627459][ C1] ? native_queued_spin_lock_slowpath+0xb7/0x9f0 [ 338.633783][ C1] ? native_queued_spin_lock_slowpath+0xb7/0x9f0 [ 338.640103][ C1] ? __pv_queued_spin_lock_slowpath+0xd10/0xd10 [ 338.646346][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.652588][ C1] ? __nla_validate_parse+0x2d0/0x1ed0 [ 338.658039][ C1] ? mark_held_locks+0xf0/0xf0 [ 338.662812][ C1] do_raw_spin_lock+0x20e/0x2e0 [ 338.667706][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 338.672640][ C1] ? lock_acquire+0x190/0x410 [ 338.677370][ C1] ? hhf_change+0x2e3/0xad0 [ 338.681869][ C1] _raw_spin_lock_bh+0x3b/0x50 [ 338.686627][ C1] ? hhf_change+0x2e3/0xad0 [ 338.691119][ C1] hhf_change+0x2e3/0xad0 [ 338.695461][ C1] ? hhf_reset+0x40/0x40 [ 338.699699][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.705940][ C1] ? nla_strcmp+0xe3/0x120 [ 338.710367][ C1] ? hhf_reset+0x40/0x40 [ 338.714755][ C1] tc_modify_qdisc+0xfcf/0x1c50 [ 338.719603][ C1] ? qdisc_create+0x1210/0x1210 [ 338.724485][ C1] ? rtnetlink_rcv_msg+0x1ea/0xb00 [ 338.729597][ C1] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.735827][ C1] ? qdisc_create+0x1210/0x1210 [ 338.740756][ C1] rtnetlink_rcv_msg+0x463/0xb00 [ 338.745691][ C1] ? rtnetlink_put_metrics+0x580/0x580 [ 338.751363][ C1] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 338.756691][ C1] ? __copy_skb_header+0x250/0x550 [ 338.761932][ C1] netlink_rcv_skb+0x177/0x450 [ 338.766702][ C1] ? rtnetlink_put_metrics+0x580/0x580 [ 338.772157][ C1] ? netlink_ack+0xb30/0xb30 [ 338.776743][ C1] ? netlink_deliver_tap+0x254/0xbf0 [ 338.782028][ C1] rtnetlink_rcv+0x1d/0x30 [ 338.786442][ C1] netlink_unicast+0x531/0x710 [ 338.791201][ C1] ? netlink_attachskb+0x7c0/0x7c0 [ 338.796311][ C1] ? _copy_from_iter_full+0x25d/0x8a0 [ 338.801676][ C1] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 338.807589][ C1] ? __check_object_size+0x3d/0x437 [ 338.812784][ C1] netlink_sendmsg+0x8a5/0xd60 [ 338.817546][ C1] ? netlink_unicast+0x710/0x710 [ 338.822479][ C1] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 338.828113][ C1] ? apparmor_socket_sendmsg+0x2a/0x30 [ 338.833587][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.839828][ C1] ? security_socket_sendmsg+0x8d/0xc0 [ 338.845287][ C1] ? netlink_unicast+0x710/0x710 [ 338.850270][ C1] sock_sendmsg+0xd7/0x130 [ 338.854686][ C1] ___sys_sendmsg+0x803/0x920 [ 338.859361][ C1] ? copy_msghdr_from_user+0x440/0x440 [ 338.864825][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 338.871059][ C1] ? tomoyo_path_number_perm+0x263/0x520 [ 338.876691][ C1] ? sock_ioctl+0x489/0x780 [ 338.881188][ C1] ? dlci_ioctl_set+0x40/0x40 [ 338.885866][ C1] ? dlci_ioctl_set+0x40/0x40 [ 338.890542][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.896785][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.903020][ C1] ? __fget_light+0x1a9/0x230 [ 338.907693][ C1] ? __fdget+0x1b/0x20 [ 338.911762][ C1] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.918007][ C1] __sys_sendmsg+0x105/0x1d0 [ 338.922592][ C1] ? __sys_sendmsg_sock+0xd0/0xd0 [ 338.927620][ C1] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 338.933681][ C1] __x64_sys_sendmsg+0x78/0xb0 [ 338.938439][ C1] do_syscall_64+0xfd/0x6a0 [ 338.942938][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 338.948819][ C1] RIP: 0033:0x4422e9 [ 338.952731][ C1] Code: e8 9c 07 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 338.972342][ C1] RSP: 002b:00007ffe294f25d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 338.980756][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004422e9 [ 338.988732][ C1] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 338.996702][ C1] RBP: 0000000000038efd R08: 0000000000000000 R09: 0000000000000000 [ 339.004667][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 339.012630][ C1] R13: 0000000000403240 R14: 0000000000000000 R15: 0000000000000000