Warning: Permanently added '10.128.1.112' (ED25519) to the list of known hosts. 2026/08/01 16:52:09 parsed 1 programs Setting up swapspace version 1, size = 127995904 bytes [ 35.802239][ T24] kauditd_printk_skb: 35 callbacks suppressed [ 35.802242][ T24] audit: type=1400 audit(1785603129.180:109): avc: denied { unlink } for pid=422 comm="syz-executor" name="swap-file" dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 35.834660][ T422] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 36.148332][ T24] audit: type=1401 audit(1785603129.530:110): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 36.294150][ T462] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.301320][ T462] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.308556][ T462] device bridge_slave_0 entered promiscuous mode [ 36.315075][ T462] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.322169][ T462] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.329405][ T462] device bridge_slave_1 entered promiscuous mode [ 36.340743][ T462] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.347975][ T462] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.355262][ T462] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.362466][ T462] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.371453][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.378771][ T319] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.385822][ T319] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.393329][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.401616][ T319] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.409010][ T319] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.417010][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.425085][ T319] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.432111][ T319] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.440700][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.448793][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.457310][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.466027][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.473826][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.481174][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 36.489203][ T462] device veth0_vlan entered promiscuous mode [ 36.496056][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 36.504444][ T462] device veth1_macvtap entered promiscuous mode [ 36.511291][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.519953][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/08/01 16:52:10 executed programs: 0 [ 36.733487][ T476] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.740581][ T476] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.747637][ T476] device bridge_slave_0 entered promiscuous mode [ 36.754266][ T476] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.761397][ T476] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.771658][ T476] device bridge_slave_1 entered promiscuous mode [ 36.784208][ T476] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.792659][ T476] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.800035][ T476] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.807049][ T476] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.815844][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.823272][ T466] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.830541][ T466] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.839049][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.847053][ T466] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.854068][ T466] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.862850][ T476] device veth0_vlan entered promiscuous mode [ 36.869129][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.877312][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.885126][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.892671][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 36.900177][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.908309][ T466] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.915300][ T466] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.922558][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.930378][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.939691][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 36.947768][ T476] device veth1_macvtap entered promiscuous mode [ 36.954707][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.963338][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 136.987787][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 136.994745][ C1] rcu: 1-....: (1 GPs behind) idle=966/1/0x4000000000000000 softirq=2180/2195 fqs=5000 last_accelerate: 9921/c033 dyntick_enabled: 1 [ 137.009213][ C1] (t=10002 jiffies g=721 q=483) [ 137.014132][ C1] NMI backtrace for cpu 1 [ 137.018778][ C1] CPU: 1 PID: 481 Comm: syz.2.17 Not tainted syzkaller #0 [ 137.025856][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 137.035883][ C1] Call Trace: [ 137.039150][ C1] [ 137.041978][ C1] dump_stack_lvl+0x5d/0x75 [ 137.046463][ C1] ? lapic_can_unplug_cpu+0x80/0x80 [ 137.051630][ C1] dump_stack+0x10/0x12 [ 137.055754][ C1] nmi_cpu_backtrace.cold+0x30/0x65 [ 137.060918][ C1] ? lapic_can_unplug_cpu+0x80/0x80 [ 137.066096][ C1] nmi_trigger_cpumask_backtrace+0xce/0xe0 [ 137.071879][ C1] arch_trigger_cpumask_backtrace+0x14/0x20 [ 137.077744][ C1] rcu_dump_cpu_stacks+0xa6/0xd0 [ 137.082651][ C1] rcu_sched_clock_irq.cold+0x34/0x300 [ 137.088089][ C1] ? debug_smp_processor_id+0x17/0x20 [ 137.093523][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 137.099180][ C1] ? __raise_softirq_irqoff+0x1a/0x80 [ 137.104736][ C1] update_process_times+0x58/0x90 [ 137.109855][ C1] tick_sched_handle+0x24/0x60 [ 137.114613][ C1] tick_sched_timer+0x72/0x90 [ 137.119358][ C1] ? tick_sched_do_timer+0xe0/0xe0 [ 137.124451][ C1] __hrtimer_run_queues+0x112/0x230 [ 137.129624][ C1] hrtimer_interrupt+0x104/0x2a0 [ 137.134545][ C1] __sysvec_apic_timer_interrupt+0x73/0x160 [ 137.140424][ C1] asm_call_irq_on_stack+0xf/0x20 [ 137.145426][ C1] [ 137.148343][ C1] sysvec_apic_timer_interrupt+0xb2/0xf0 [ 137.153956][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 137.159917][ C1] RIP: 0010:qdisc_tree_reduce_backlog+0x4b/0xf0 [ 137.166128][ C1] Code: fb e8 49 b5 6f ff 44 8b 43 3c 41 8d 40 ff 83 f8 fd 76 4f e9 9e 00 00 00 45 85 c9 75 23 48 8b 43 18 4c 8b 78 08 49 83 7f 20 00 <74> 14 44 89 c6 48 89 df 41 ff 57 28 48 89 df 48 89 c6 41 ff 57 20 [ 137.185841][ C1] RSP: 0018:ffffc9000078b7f0 EFLAGS: 00000246 [ 137.191889][ C1] RAX: ffffffff82dfa900 RBX: ffff88811441a000 RCX: ffff8881096eb000 [ 137.199857][ C1] RDX: 0000000000000087 RSI: 00000000ffff0000 RDI: ffff88811441a000 [ 137.207816][ C1] RBP: ffffc9000078b818 R08: 00000000fffffff1 R09: 0000000000000000 [ 137.215818][ C1] R10: 0000000000000005 R11: ffffc9000078b828 R12: 0000000000000000 [ 137.223786][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff827691c0 [ 137.231747][ C1] codel_change+0x1b1/0x210 [ 137.236383][ C1] codel_init+0x85/0xb0 [ 137.240539][ C1] qdisc_create+0x1a9/0x4b0 [ 137.245026][ C1] tc_modify_qdisc+0x14a/0x8a0 [ 137.249882][ C1] rtnetlink_rcv_msg+0x132/0x370 [ 137.254880][ C1] ? preempt_count_add+0x77/0xa0 [ 137.259786][ C1] ? rtnl_calcit.isra.0+0x110/0x110 [ 137.265235][ C1] netlink_rcv_skb+0x4e/0xf0 [ 137.269810][ C1] rtnetlink_rcv+0x10/0x20 [ 137.274214][ C1] netlink_unicast+0x250/0x340 [ 137.279173][ C1] netlink_sendmsg+0x239/0x470 [ 137.284093][ C1] __sock_sendmsg+0x35/0x40 [ 137.288968][ C1] ____sys_sendmsg+0x149/0x260 [ 137.294098][ C1] ? import_iovec+0x1b/0x20 [ 137.298786][ C1] ? sendmsg_copy_msghdr+0x79/0xa0 [ 137.304051][ C1] ? futex_wait_queue_me+0xe0/0x1c0 [ 137.309465][ C1] ___sys_sendmsg+0x74/0xc0 [ 137.313978][ C1] ? wake_up_q+0x6f/0xc0 [ 137.318195][ C1] ? __fget_light.part.0+0x87/0xd0 [ 137.323281][ C1] __sys_sendmmsg+0xbf/0x1c0 [ 137.327959][ C1] ? switch_fpu_return+0x40/0xc0 [ 137.332904][ C1] __x64_sys_sendmmsg+0x1f/0x30 [ 137.338187][ C1] do_syscall_64+0x32/0x50 [ 137.342600][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 137.348756][ C1] RIP: 0033:0x7f29bc7c0e59 [ 137.353501][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 137.375735][ C1] RSP: 002b:00007f29bc623028 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 137.384963][ C1] RAX: ffffffffffffffda RBX: 00007f29bca39fa0 RCX: 00007f29bc7c0e59 [ 137.393527][ C1] RDX: 040000000000009f RSI: 00002000000002c0 RDI: 0000000000000005 [ 137.402019][ C1] RBP: 00007f29bc856d6f R08: 0000000000000000 R09: 0000000000000000 [ 137.410852][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 137.418890][ C1] R13: 00007f29bca3a038 R14: 00007f29bca39fa0 R15: 00007ffc3c031688 [ 284.957817][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 244s! [ 284.966689][ C0] Showing busy workqueues and worker pools: [ 284.972578][ C0] workqueue events_unbound: flags=0x2 [ 284.977955][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 284.985148][ C0] in-flight: 319:linkwatch_event, 9:toggle_allocation_gate [ 284.992784][ C0] workqueue netns: flags=0xe000a [ 284.997703][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=4 [ 285.005068][ C0] in-flight: 48:cleanup_net [ 285.009993][ C0] delayed: cleanup_net [ 285.014418][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 285.020077][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=54 [ 285.027696][ C0] in-flight: 15:addrconf_dad_work [ 285.033081][ C0] delayed: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work [ 285.033166][ C0] , addrconf_dad_work, addrconf_dad_work [ 285.126780][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 285.132055][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.139680][ C0] pending: wg_packet_encrypt_worker [ 285.145333][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 285.150613][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.158409][ C0] pending: wg_packet_encrypt_worker [ 285.164152][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 285.169428][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.177045][ C0] pending: wg_packet_encrypt_worker [ 285.182602][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 285.187882][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.195586][ C0] pending: wg_packet_encrypt_worker [ 285.201145][ C0] workqueue wg-kex-wg1: flags=0x24 [ 285.206244][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.213949][ C0] pending: wg_packet_handshake_receive_worker [ 285.220367][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 285.225633][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.233248][ C0] pending: wg_packet_encrypt_worker [ 285.238788][ C0] workqueue wg-kex-wg2: flags=0x24 [ 285.243881][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.251498][ C0] pending: wg_packet_handshake_receive_worker [ 285.258009][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 285.263282][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 285.271166][ C0] pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker [ 285.279273][ C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=0s workers=4 idle: 5 482 53 [ 285.287946][ C0] pool 4: cpus=0-1 flags=0x4 nice=0 hung=1s workers=5 idle: 466 7 [ 285.296809][ T24] audit: type=1400 audit(1785603378.670:111): avc: denied { read } for pid=74 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 285.321268][ T24] audit: type=1400 audit(1785603378.670:112): avc: denied { search } for pid=74 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 285.343178][ T24] audit: type=1400 audit(1785603378.670:113): avc: denied { write } for pid=74 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 285.364843][ T24] audit: type=1400 audit(1785603378.670:114): avc: denied { add_name } for pid=74 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 285.385621][ T24] audit: type=1400 audit(1785603378.670:115): avc: denied { create } for pid=74 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 285.406160][ T24] audit: type=1400 audit(1785603378.670:116): avc: denied { append open } for pid=74 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 285.429384][ T24] audit: type=1400 audit(1785603378.670:117): avc: denied { getattr } for pid=74 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 286.505559][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.2.17:481] [ 286.514100][ C1] Modules linked in: [ 286.518483][ C1] CPU: 1 PID: 481 Comm: syz.2.17 Not tainted syzkaller #0 [ 286.525656][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 286.536660][ C1] RIP: 0010:qdisc_tree_reduce_backlog+0x7e/0xf0 [ 286.543351][ C1] Code: ff 57 28 48 89 df 48 89 c6 41 ff 57 20 44 8b 43 3c 44 29 a3 a8 00 00 00 44 29 b3 c8 00 00 00 44 01 ab cc 00 00 00 41 8d 40 ff <83> f8 fd 77 54 f6 43 10 40 75 4e 44 89 c6 81 e6 00 00 ff ff 74 43 [ 286.563786][ C1] RSP: 0018:ffffc9000078b7f0 EFLAGS: 00000246 [ 286.569918][ C1] RAX: 00000000fffffff0 RBX: ffff88811441a000 RCX: ffff8881096eb000 [ 286.577961][ C1] RDX: 0000000000000087 RSI: 00000000ffff0000 RDI: ffff88811441a000 [ 286.586190][ C1] RBP: ffffc9000078b818 R08: 00000000fffffff1 R09: 0000000000000000 [ 286.594161][ C1] R10: 0000000000000005 R11: ffffc9000078b828 R12: 0000000000000000 [ 286.602113][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff827691c0 [ 286.610330][ C1] FS: 00007f29bc6236c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 [ 286.619331][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.625901][ C1] CR2: 0000000000000000 CR3: 00000001170c3000 CR4: 00000000003506a0 [ 286.633864][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 286.641818][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 286.649769][ C1] Call Trace: [ 286.653039][ C1] codel_change+0x1b1/0x210 [ 286.657518][ C1] codel_init+0x85/0xb0 [ 286.661664][ C1] qdisc_create+0x1a9/0x4b0 [ 286.666234][ C1] tc_modify_qdisc+0x14a/0x8a0 [ 286.670978][ C1] rtnetlink_rcv_msg+0x132/0x370 [ 286.676085][ C1] ? preempt_count_add+0x77/0xa0 [ 286.681022][ C1] ? rtnl_calcit.isra.0+0x110/0x110 [ 286.686202][ C1] netlink_rcv_skb+0x4e/0xf0 [ 286.690776][ C1] rtnetlink_rcv+0x10/0x20 [ 286.695171][ C1] netlink_unicast+0x250/0x340 [ 286.699911][ C1] netlink_sendmsg+0x239/0x470 [ 286.704839][ C1] __sock_sendmsg+0x35/0x40 [ 286.709328][ C1] ____sys_sendmsg+0x149/0x260 [ 286.714071][ C1] ? import_iovec+0x1b/0x20 [ 286.718549][ C1] ? sendmsg_copy_msghdr+0x79/0xa0 [ 286.723640][ C1] ? futex_wait_queue_me+0xe0/0x1c0 [ 286.728819][ C1] ___sys_sendmsg+0x74/0xc0 [ 286.733303][ C1] ? wake_up_q+0x6f/0xc0 [ 286.737619][ C1] ? __fget_light.part.0+0x87/0xd0 [ 286.742816][ C1] __sys_sendmmsg+0xbf/0x1c0 [ 286.747385][ C1] ? switch_fpu_return+0x40/0xc0 [ 286.752297][ C1] __x64_sys_sendmmsg+0x1f/0x30 [ 286.757296][ C1] do_syscall_64+0x32/0x50 [ 286.761700][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 286.767583][ C1] RIP: 0033:0x7f29bc7c0e59 [ 286.771997][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 286.791972][ C1] RSP: 002b:00007f29bc623028 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 286.800453][ C1] RAX: ffffffffffffffda RBX: 00007f29bca39fa0 RCX: 00007f29bc7c0e59 [ 286.808592][ C1] RDX: 040000000000009f RSI: 00002000000002c0 RDI: 0000000000000005 [ 286.816637][ C1] RBP: 00007f29bc856d6f R08: 0000000000000000 R09: 0000000000000000 [ 286.824616][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 286.832879][ C1] R13: 00007f29bca3a038 R14: 00007f29bca39fa0 R15: 00007ffc3c031688 [ 286.840962][ C1] Sending NMI from CPU 1 to CPUs 0: [ 286.846348][ C0] NMI backtrace for cpu 0 [ 286.846349][ C0] CPU: 0 PID: 9 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 286.846350][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 286.846351][ C0] Workqueue: events_unbound toggle_allocation_gate [ 286.846353][ C0] RIP: 0010:smp_call_function_single+0xaa/0x140 [ 286.846355][ C0] Code: 73 02 9c 58 85 db 74 5f 44 89 e7 48 89 e6 4c 89 74 24 10 4c 89 6c 24 18 e8 43 fe ff ff 41 89 c4 8b 44 24 08 a8 01 74 0a f3 90 <8b> 44 24 08 a8 01 75 f6 bf 01 00 00 00 e8 54 5f f9 ff 65 8b 05 2d [ 286.846356][ C0] RSP: 0018:ffffc9000004fc00 EFLAGS: 00000202 [ 286.846357][ C0] RAX: 0000000000000011 RBX: 0000000000000001 RCX: 0000000000000830 [ 286.846358][ C0] RDX: 0000000000000001 RSI: 00000000000000fb RDI: 0000000000000001 [ 286.846358][ C0] RBP: ffffc9000004fc78 R08: 0000000000000001 R09: 0000000000000008 [ 286.846359][ C0] R10: 0000000000000001 R11: 0000000000000018 R12: 0000000000000000 [ 286.846360][ C0] R13: 0000000000000000 R14: ffffffff810a8040 R15: ffffffff82df41f8 [ 286.846361][ C0] FS: 0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 [ 286.846361][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.846362][ C0] CR2: 00007ffc7efd4080 CR3: 0000000002c0b000 CR4: 00000000003506b0 [ 286.846363][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 286.846364][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 286.846364][ C0] Call Trace: [ 286.846365][ C0] ? arch_unregister_cpu+0x20/0x20 [ 286.846366][ C0] ? insn_get_opcode.part.0+0xb3/0x190 [ 286.846366][ C0] ? find_next_bit+0x14/0x20 [ 286.846367][ C0] ? arch_unregister_cpu+0x20/0x20 [ 286.846368][ C0] smp_call_function_many_cond+0xca/0x270 [ 286.846368][ C0] ? _raw_spin_unlock+0x1f/0x40 [ 286.846369][ C0] ? arch_unregister_cpu+0x20/0x20 [ 286.846369][ C0] ? arch_unregister_cpu+0x20/0x20 [ 286.846370][ C0] on_each_cpu+0x43/0xa0 [ 286.846371][ C0] text_poke_bp_batch+0x97/0x230 [ 286.846371][ C0] ? __kmalloc_track_caller+0xbe/0x4f0 [ 286.846372][ C0] text_poke_finish+0x1a/0x30 [ 286.846373][ C0] arch_jump_label_transform_apply+0x15/0x30 [ 286.846373][ C0] __jump_label_update+0xe4/0xf0 [ 286.846374][ C0] jump_label_update+0x83/0xf0 [ 286.846375][ C0] static_key_enable+0x5c/0x70 [ 286.846375][ C0] toggle_allocation_gate+0x5b/0x190 [ 286.846376][ C0] ? __schedule+0x24e/0x730 [ 286.846377][ C0] process_one_work+0x195/0x330 [ 286.846377][ C0] worker_thread+0x4e/0x340 [ 286.846378][ C0] ? rescuer_thread+0x390/0x390 [ 286.846379][ C0] kthread+0x14c/0x170 [ 286.846379][ C0] ? kthread_park+0x80/0x80 [ 286.846380][ C0] ret_from_fork+0x1f/0x30 [ 286.847276][ C1] Kernel panic - not syncing: softlockup: hung tasks [ 287.115724][ C1] Kernel Offset: disabled [ 287.120118][ C1] Rebooting in 86400 seconds..