Warning: Permanently added '10.128.0.92' (ED25519) to the list of known hosts. 2025/11/26 07:50:51 parsed 1 programs [ 207.437859][ T24] audit: type=1400 audit(1764143451.050:64): avc: denied { node_bind } for pid=275 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 207.443494][ T24] audit: type=1400 audit(1764143451.050:65): avc: denied { create } for pid=275 comm="syz-execprog" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=rawip_socket permissive=1 [ 207.451150][ T24] audit: type=1400 audit(1764143451.050:66): avc: denied { module_request } for pid=275 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 208.215249][ T24] audit: type=1400 audit(1764143451.820:67): avc: denied { mounton } for pid=284 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 208.216470][ T284] cgroup: Unknown subsys name 'net' [ 208.237885][ T24] audit: type=1400 audit(1764143451.830:68): avc: denied { mount } for pid=284 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 208.265107][ T24] audit: type=1400 audit(1764143451.850:69): avc: denied { unmount } for pid=284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 208.265413][ T284] cgroup: Unknown subsys name 'devices' [ 208.496641][ T284] cgroup: Unknown subsys name 'hugetlb' [ 208.502237][ T284] cgroup: Unknown subsys name 'rlimit' [ 208.648139][ T24] audit: type=1400 audit(1764143452.260:70): avc: denied { setattr } for pid=284 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=253 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 208.671355][ T24] audit: type=1400 audit(1764143452.260:71): avc: denied { create } for pid=284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 208.691819][ T286] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 208.692085][ T24] audit: type=1400 audit(1764143452.260:72): avc: denied { write } for pid=284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 208.720715][ T24] audit: type=1400 audit(1764143452.260:73): avc: denied { read } for pid=284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 208.740970][ T284] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 209.140363][ T290] request_module fs-gadgetfs succeeded, but still no fs? [ 209.150726][ T290] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 209.266602][ T303] bridge0: port 1(bridge_slave_0) entered blocking state [ 209.273633][ T303] bridge0: port 1(bridge_slave_0) entered disabled state [ 209.281774][ T303] device bridge_slave_0 entered promiscuous mode [ 209.289399][ T303] bridge0: port 2(bridge_slave_1) entered blocking state [ 209.296446][ T303] bridge0: port 2(bridge_slave_1) entered disabled state [ 209.303762][ T303] device bridge_slave_1 entered promiscuous mode [ 209.334307][ T303] bridge0: port 2(bridge_slave_1) entered blocking state [ 209.341336][ T303] bridge0: port 2(bridge_slave_1) entered forwarding state [ 209.348619][ T303] bridge0: port 1(bridge_slave_0) entered blocking state [ 209.355654][ T303] bridge0: port 1(bridge_slave_0) entered forwarding state [ 209.372124][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 209.379282][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 209.386653][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 209.394168][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 209.403489][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 209.411596][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 209.418622][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 209.426940][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 209.435146][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 209.442195][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 209.453844][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 209.462813][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 209.475896][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 209.486496][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 209.494459][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 209.501917][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 209.509902][ T303] device veth0_vlan entered promiscuous mode [ 209.519743][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 209.528489][ T303] device veth1_macvtap entered promiscuous mode [ 209.537024][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 209.547293][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2025/11/26 07:50:53 executed programs: 0 [ 210.151005][ T354] bridge0: port 1(bridge_slave_0) entered blocking state [ 210.158252][ T354] bridge0: port 1(bridge_slave_0) entered disabled state [ 210.165768][ T354] device bridge_slave_0 entered promiscuous mode [ 210.172474][ T354] bridge0: port 2(bridge_slave_1) entered blocking state [ 210.179899][ T354] bridge0: port 2(bridge_slave_1) entered disabled state [ 210.187300][ T354] device bridge_slave_1 entered promiscuous mode [ 210.223078][ T354] bridge0: port 2(bridge_slave_1) entered blocking state [ 210.230121][ T354] bridge0: port 2(bridge_slave_1) entered forwarding state [ 210.237398][ T354] bridge0: port 1(bridge_slave_0) entered blocking state [ 210.244421][ T354] bridge0: port 1(bridge_slave_0) entered forwarding state [ 210.263500][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 210.272237][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 210.279436][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 210.290558][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 210.299016][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 210.307146][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 210.314148][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 210.322297][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 210.330631][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 210.338768][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 210.345790][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 210.356736][ T49] device bridge_slave_1 left promiscuous mode [ 210.362825][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 210.370272][ T49] device bridge_slave_0 left promiscuous mode [ 210.376415][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 210.384159][ T49] device veth1_macvtap left promiscuous mode [ 210.390436][ T49] device veth0_vlan left promiscuous mode [ 210.458160][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 210.466171][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 210.474756][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 210.483001][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 210.494910][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 210.503313][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 210.514299][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 210.522303][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 210.530564][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 210.538073][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 210.546094][ T354] device veth0_vlan entered promiscuous mode [ 210.554850][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 210.562941][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 210.571660][ T354] device veth1_macvtap entered promiscuous mode [ 210.580138][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 210.587836][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 210.595975][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 210.604902][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 210.613210][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 310.635140][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 310.641768][ C0] rcu: 0-....: (10000 ticks this GP) idle=6ea/1/0x4000000000000000 softirq=1915/1915 fqs=4997 last_accelerate: dccd/03dd dyntick_enabled: 1 [ 310.656059][ C0] (t=10002 jiffies g=613 q=426) [ 310.660982][ C0] NMI backtrace for cpu 0 [ 310.665289][ C0] CPU: 0 PID: 362 Comm: syz.2.17 Not tainted syzkaller #0 [ 310.672405][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 310.682481][ C0] Call Trace: [ 310.685764][ C0] [ 310.688647][ C0] __dump_stack+0x21/0x24 [ 310.692962][ C0] dump_stack_lvl+0x169/0x1d8 [ 310.697617][ C0] ? show_regs_print_info+0x18/0x18 [ 310.702793][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 310.708247][ C0] ? _raw_spin_lock+0xe0/0xe0 [ 310.712900][ C0] ? printk+0xcc/0x110 [ 310.716949][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 310.723034][ C0] dump_stack+0x15/0x1c [ 310.727168][ C0] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 310.733135][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 310.739037][ C0] rcu_dump_cpu_stacks+0x19c/0x2c0 [ 310.744121][ C0] rcu_sched_clock_irq+0xf79/0x1870 [ 310.749295][ C0] ? rcutree_dead_cpu+0x2f0/0x2f0 [ 310.754293][ C0] ? hrtimer_run_queues+0x166/0x430 [ 310.759464][ C0] update_process_times+0x198/0x200 [ 310.764634][ C0] tick_sched_timer+0x17c/0x240 [ 310.769470][ C0] ? tick_setup_sched_timer+0x450/0x450 [ 310.774989][ C0] __hrtimer_run_queues+0x37a/0x960 [ 310.780161][ C0] ? hrtimer_interrupt+0xdc0/0xdc0 [ 310.785251][ C0] ? ktime_get_update_offsets_now+0x293/0x2b0 [ 310.791291][ C0] hrtimer_interrupt+0x3a6/0xdc0 [ 310.796238][ C0] __sysvec_apic_timer_interrupt+0xfa/0x3f0 [ 310.802104][ C0] asm_call_irq_on_stack+0xf/0x20 [ 310.807118][ C0] [ 310.810032][ C0] sysvec_apic_timer_interrupt+0x85/0xe0 [ 310.815635][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 310.821592][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 [ 310.827633][ C0] Code: 00 00 00 0f 0b 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 4c ba 3f 05 48 89 de e8 44 4f 39 00 5b 5d c3 00 <55> 48 89 e5 48 8b 45 08 65 48 8b 0d 30 c9 9e 7e 65 8b 15 35 c9 9e [ 310.847209][ C0] RSP: 0018:ffffc90000d86ec0 EFLAGS: 00000202 [ 310.853254][ C0] RAX: 1ffff11021d2b801 RBX: 00000000ffff0000 RCX: ffff88810d12bb01 [ 310.861232][ C0] RDX: 0000000000000000 RSI: 00000000ffff0000 RDI: 0000000000000000 [ 310.869221][ C0] RBP: ffffc90000d86ef8 R08: ffff88810d12bb40 R09: 0000000000000002 [ 310.877167][ C0] R10: 00000000ffffffff R11: 0000000000000000 R12: 0000000000000000 [ 310.885113][ C0] R13: dffffc0000000000 R14: ffffffffffffffd8 R15: ffff88810e95c000 [ 310.893067][ C0] ? qdisc_lookup+0x1a5/0x4e0 [ 310.897723][ C0] qdisc_tree_reduce_backlog+0x111/0x340 [ 310.903329][ C0] fq_codel_change+0xa27/0xe40 [ 310.908067][ C0] ? fq_codel_destroy+0x90/0x90 [ 310.912895][ C0] ? __kmalloc+0x1a7/0x330 [ 310.917287][ C0] fq_codel_init+0x342/0xa20 [ 310.921854][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 310.927168][ C0] qdisc_create+0x780/0x1040 [ 310.931761][ C0] ? qdisc_notify+0x350/0x350 [ 310.936422][ C0] ? __nla_parse+0x42/0x60 [ 310.940812][ C0] tc_modify_qdisc+0x8da/0x14c0 [ 310.945645][ C0] ? qdisc_offload_graft_helper+0x280/0x280 [ 310.951512][ C0] ? cap_capable+0x19c/0x220 [ 310.956078][ C0] ? ns_capable+0x8c/0xf0 [ 310.960382][ C0] ? netlink_net_capable+0x125/0x160 [ 310.965640][ C0] ? qdisc_offload_graft_helper+0x280/0x280 [ 310.971505][ C0] rtnetlink_rcv_msg+0x9db/0xb90 [ 310.976425][ C0] ? rtnetlink_bind+0x80/0x80 [ 310.981084][ C0] ? arch_stack_walk+0xee/0x140 [ 310.985912][ C0] ? stack_trace_save+0x98/0xe0 [ 310.990741][ C0] ? stack_trace_snprint+0xf0/0xf0 [ 310.995828][ C0] ? do_syscall_64+0x31/0x40 [ 311.000395][ C0] ? memcpy+0x56/0x70 [ 311.004390][ C0] ? avc_has_perm+0x234/0x360 [ 311.009039][ C0] ? __kasan_slab_alloc+0xbd/0xf0 [ 311.014035][ C0] ? slab_post_alloc_hook+0x5d/0x2f0 [ 311.019295][ C0] ? ___sys_sendmsg+0x1f0/0x260 [ 311.024118][ C0] ? avc_has_perm_noaudit+0x240/0x240 [ 311.029466][ C0] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 311.034826][ C0] netlink_rcv_skb+0x1e0/0x430 [ 311.039565][ C0] ? rtnetlink_bind+0x80/0x80 [ 311.044215][ C0] ? netlink_ack+0xb80/0xb80 [ 311.048795][ C0] ? __netlink_lookup+0x387/0x3b0 [ 311.053796][ C0] rtnetlink_rcv+0x1c/0x20 [ 311.058201][ C0] netlink_unicast+0x876/0xa40 [ 311.062944][ C0] netlink_sendmsg+0x88d/0xb30 [ 311.067685][ C0] ? netlink_getsockopt+0x530/0x530 [ 311.072867][ C0] ? security_socket_sendmsg+0x82/0xa0 [ 311.078337][ C0] ? netlink_getsockopt+0x530/0x530 [ 311.083507][ C0] ____sys_sendmsg+0x5a2/0x8c0 [ 311.088243][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 311.093242][ C0] ? import_iovec+0x7c/0xb0 [ 311.097721][ C0] ___sys_sendmsg+0x1f0/0x260 [ 311.102376][ C0] ? __sys_sendmsg+0x250/0x250 [ 311.107120][ C0] ? __kasan_check_read+0x11/0x20 [ 311.112136][ C0] ? __fdget+0x15b/0x230 [ 311.116354][ C0] __x64_sys_sendmsg+0x1e2/0x2a0 [ 311.121264][ C0] ? ___sys_sendmsg+0x260/0x260 [ 311.126104][ C0] ? debug_smp_processor_id+0x17/0x20 [ 311.131450][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 311.137491][ C0] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 311.143100][ C0] do_syscall_64+0x31/0x40 [ 311.147538][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 311.153437][ C0] RIP: 0033:0x7f7a519c0749 [ 311.157892][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 311.177472][ C0] RSP: 002b:00007ffc9e96a7d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 311.185858][ C0] RAX: ffffffffffffffda RBX: 00007f7a51c16fa0 RCX: 00007f7a519c0749 [ 311.193803][ C0] RDX: 0000000000008840 RSI: 0000200000000740 RDI: 0000000000000005 [ 311.201750][ C0] RBP: 00007f7a51a44f91 R08: 0000000000000000 R09: 0000000000000000 [ 311.209698][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 311.217644][ C0] R13: 00007f7a51c16fa0 R14: 00007f7a51c16fa0 R15: 0000000000000003 [ 311.235275][ T375] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10059 jiffies s: 1057 root: 0x1/. [ 311.247053][ T375] rcu: blocking rcu_node structures: [ 311.252337][ T375] Task dump for CPU 0: [ 311.256418][ T375] task:syz.2.17 state:R running task stack: 0 pid: 362 ppid: 354 flags:0x0000000c [ 311.267185][ T375] Call Trace: [ 311.270464][ T375] ? sched_clock+0x3a/0x40 [ 311.274868][ T375] ? kvm_sched_clock_read+0x18/0x40 [ 311.280063][ T375] ? debug_smp_processor_id+0x17/0x20 [ 311.285429][ T375] ? debug_smp_processor_id+0x17/0x20 [ 311.290796][ T375] ? __irq_exit_rcu+0x40/0x150 [ 311.295566][ T375] ? irq_exit_rcu+0x9/0x10 [ 311.299972][ T375] ? sysvec_apic_timer_interrupt+0xcb/0xe0 [ 311.305778][ T375] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 311.311923][ T375] ? qdisc_lookup+0x21/0x4e0 [ 311.316511][ T375] ? qdisc_lookup+0x4a/0x4e0 [ 311.321087][ T375] ? qdisc_lookup+0x1a5/0x4e0 [ 311.325880][ T375] ? qdisc_tree_reduce_backlog+0x111/0x340 [ 311.331685][ T375] ? fq_codel_change+0xa27/0xe40 [ 311.336625][ T375] ? fq_codel_destroy+0x90/0x90 [ 311.341465][ T375] ? __kmalloc+0x1a7/0x330 [ 311.345878][ T375] ? fq_codel_init+0x342/0xa20 [ 311.350638][ T375] ? qdisc_peek_dequeued+0x230/0x230 [ 311.355950][ T375] ? qdisc_create+0x780/0x1040 [ 311.360797][ T375] ? qdisc_notify+0x350/0x350 [ 311.365468][ T375] ? __nla_parse+0x42/0x60 [ 311.369885][ T375] ? tc_modify_qdisc+0x8da/0x14c0 [ 311.374900][ T375] ? qdisc_offload_graft_helper+0x280/0x280 [ 311.380796][ T375] ? cap_capable+0x19c/0x220 [ 311.385393][ T375] ? ns_capable+0x8c/0xf0 [ 311.389711][ T375] ? netlink_net_capable+0x125/0x160 [ 311.394990][ T375] ? qdisc_offload_graft_helper+0x280/0x280 [ 311.400880][ T375] ? rtnetlink_rcv_msg+0x9db/0xb90 [ 311.405988][ T375] ? rtnetlink_bind+0x80/0x80 [ 311.410683][ T375] ? arch_stack_walk+0xee/0x140 [ 311.415532][ T375] ? stack_trace_save+0x98/0xe0 [ 311.420371][ T375] ? stack_trace_snprint+0xf0/0xf0 [ 311.425487][ T375] ? do_syscall_64+0x31/0x40 [ 311.430065][ T375] ? memcpy+0x56/0x70 [ 311.434036][ T375] ? avc_has_perm+0x234/0x360 [ 311.438707][ T375] ? __kasan_slab_alloc+0xbd/0xf0 [ 311.443810][ T375] ? slab_post_alloc_hook+0x5d/0x2f0 [ 311.449110][ T375] ? ___sys_sendmsg+0x1f0/0x260 [ 311.453952][ T375] ? avc_has_perm_noaudit+0x240/0x240 [ 311.459411][ T375] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 311.464774][ T375] ? netlink_rcv_skb+0x1e0/0x430 [ 311.469709][ T375] ? rtnetlink_bind+0x80/0x80 [ 311.474377][ T375] ? netlink_ack+0xb80/0xb80 [ 311.478964][ T375] ? __netlink_lookup+0x387/0x3b0 [ 311.483980][ T375] ? rtnetlink_rcv+0x1c/0x20 [ 311.488579][ T375] ? netlink_unicast+0x876/0xa40 [ 311.493516][ T375] ? netlink_sendmsg+0x88d/0xb30 [ 311.498451][ T375] ? netlink_getsockopt+0x530/0x530 [ 311.503636][ T375] ? security_socket_sendmsg+0x82/0xa0 [ 311.509125][ T375] ? netlink_getsockopt+0x530/0x530 [ 311.514317][ T375] ? ____sys_sendmsg+0x5a2/0x8c0 [ 311.519276][ T375] ? __sys_sendmsg_sock+0x40/0x40 [ 311.524331][ T375] ? import_iovec+0x7c/0xb0 [ 311.528879][ T375] ? ___sys_sendmsg+0x1f0/0x260 [ 311.533719][ T375] ? __sys_sendmsg+0x250/0x250 [ 311.538490][ T375] ? __kasan_check_read+0x11/0x20 [ 311.543508][ T375] ? __fdget+0x15b/0x230 [ 311.547761][ T375] ? __x64_sys_sendmsg+0x1e2/0x2a0 [ 311.552864][ T375] ? ___sys_sendmsg+0x260/0x260 [ 311.557726][ T375] ? debug_smp_processor_id+0x17/0x20 [ 311.563092][ T375] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 311.569166][ T375] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 311.574787][ T375] ? do_syscall_64+0x31/0x40 [ 311.579377][ T375] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 351.305170][ T26] INFO: task kworker/1:0:20 blocked for more than 122 seconds. [ 351.312955][ T26] Not tainted syzkaller #0 [ 351.318071][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 351.326839][ T26] task:kworker/1:0 state:D stack: 0 pid: 20 ppid: 2 flags:0x00004000 [ 351.336211][ T26] Workqueue: events fqdir_work_fn [ 351.341234][ T26] Call Trace: [ 351.344522][ T26] __schedule+0xb47/0x1310 [ 351.349098][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 351.354983][ T26] ? __mutex_add_waiter+0x17b/0x270 [ 351.360304][ T26] ? __kasan_check_write+0x14/0x20 [ 351.365650][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 351.370855][ T26] ? wq_worker_sleeping+0x196/0x200 [ 351.376265][ T26] schedule+0x13c/0x1d0 [ 351.380418][ T26] schedule_preempt_disabled+0x13/0x20 [ 351.385978][ T26] __mutex_lock+0x6c0/0xc50 [ 351.390483][ T26] ? debug_smp_processor_id+0x17/0x20 [ 351.395957][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 351.402710][ T26] ? slab_free_freelist_hook+0xc5/0x190 [ 351.408353][ T26] ? kvfree+0x35/0x40 [ 351.412331][ T26] __mutex_lock_slowpath+0xe/0x10 [ 351.417517][ T26] mutex_lock+0xcf/0xe0 [ 351.421662][ T26] ? mutex_trylock+0xa0/0xa0 [ 351.426345][ T26] ? inet_frag_pull_head+0x180/0x180 [ 351.431622][ T26] rcu_barrier+0x46/0x400 [ 351.436050][ T26] fqdir_work_fn+0x57/0xe0 [ 351.440455][ T26] process_one_work+0x6e1/0xba0 [ 351.445396][ T26] worker_thread+0xa6a/0x13b0 [ 351.450078][ T26] kthread+0x346/0x3d0 [ 351.454131][ T26] ? worker_clr_flags+0x190/0x190 [ 351.459473][ T26] ? kthread_blkcg+0xd0/0xd0 [ 351.464053][ T26] ret_from_fork+0x1f/0x30 [ 351.468572][ T26] INFO: task kworker/1:1:25 blocked for more than 123 seconds. [ 351.476180][ T26] Not tainted syzkaller #0 [ 351.481101][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 351.489862][ T26] task:kworker/1:1 state:D stack: 0 pid: 25 ppid: 2 flags:0x00004000 [ 351.499142][ T26] Workqueue: events fqdir_work_fn [ 351.504170][ T26] Call Trace: [ 351.507591][ T26] __schedule+0xb47/0x1310 [ 351.512010][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 351.518201][ T26] ? rcu_barrier_func+0x268/0x390 [ 351.523226][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 351.528552][ T26] ? wq_worker_sleeping+0x196/0x200 [ 351.533737][ T26] schedule+0x13c/0x1d0 [ 351.538040][ T26] schedule_timeout+0xa6/0x2d0 [ 351.542809][ T26] ? console_conditional_schedule+0x10/0x10 [ 351.548884][ T26] ? __prepare_to_swait+0xa8/0x130 [ 351.553992][ T26] wait_for_common+0x284/0x430 [ 351.558869][ T26] ? kvfree+0x35/0x40 [ 351.562849][ T26] ? wait_for_completion+0x20/0x20 [ 351.568054][ T26] ? inet_frag_pull_head+0x180/0x180 [ 351.573329][ T26] ? cpumask_next+0x12/0x30 [ 351.577973][ T26] wait_for_completion+0x18/0x20 [ 351.582914][ T26] rcu_barrier+0x373/0x400 [ 351.587455][ T26] fqdir_work_fn+0x57/0xe0 [ 351.591868][ T26] process_one_work+0x6e1/0xba0 [ 351.596850][ T26] worker_thread+0xa6a/0x13b0 [ 351.601519][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 351.607074][ T26] kthread+0x346/0x3d0 [ 351.611129][ T26] ? worker_clr_flags+0x190/0x190 [ 351.616259][ T26] ? kthread_blkcg+0xd0/0xd0 [ 351.620840][ T26] ret_from_fork+0x1f/0x30 [ 351.625438][ T26] INFO: task kworker/u4:2:49 blocked for more than 123 seconds. [ 351.633083][ T26] Not tainted syzkaller #0 [ 351.638124][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 351.646852][ T26] task:kworker/u4:2 state:D stack: 0 pid: 49 ppid: 2 flags:0x00004000 [ 351.656174][ T26] Workqueue: netns cleanup_net [ 351.660933][ T26] Call Trace: [ 351.664253][ T26] __schedule+0xb47/0x1310 [ 351.668949][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 351.674834][ T26] ? kthread_data+0x50/0xc0 [ 351.679447][ T26] ? wq_worker_sleeping+0x60/0x200 [ 351.684556][ T26] schedule+0x13c/0x1d0 [ 351.688797][ T26] synchronize_rcu_expedited+0x474/0x5e0 [ 351.694550][ T26] ? synchronize_rcu+0x110/0x110 [ 351.699606][ T26] ? rcu_exp_handler+0x370/0x370 [ 351.704558][ T26] ? debug_smp_processor_id+0x17/0x20 [ 351.710019][ T26] ? __kasan_check_write+0x14/0x20 [ 351.715215][ T26] ? kmem_cache_free+0x100/0x2d0 [ 351.720141][ T26] ? ____kasan_slab_free+0x130/0x160 [ 351.725548][ T26] ? io_schedule+0xe0/0xe0 [ 351.729956][ T26] ? slab_free_freelist_hook+0xc5/0x190 [ 351.735597][ T26] ? kmem_cache_free+0x100/0x2d0 [ 351.740534][ T26] ? nfnl_queue_net_exit+0x100/0x100 [ 351.745906][ T26] synchronize_rcu+0x88/0x110 [ 351.750581][ T26] ? kvfree_call_rcu+0x620/0x620 [ 351.755618][ T26] ? pde_put+0x14e/0x1a0 [ 351.759861][ T26] ? remove_proc_entry+0x338/0x4a0 [ 351.764960][ T26] ? nfnl_queue_net_exit+0x100/0x100 [ 351.770357][ T26] nfnl_queue_net_exit_batch+0xe/0x10 [ 351.775803][ T26] cleanup_net+0x5fb/0xb70 [ 351.780218][ T26] ? __kasan_check_write+0x14/0x20 [ 351.785490][ T26] ? ops_init+0x4a0/0x4a0 [ 351.789811][ T26] ? read_word_at_a_time+0x12/0x20 [ 351.794907][ T26] ? strscpy+0x9b/0x290 [ 351.799202][ T26] process_one_work+0x6e1/0xba0 [ 351.804051][ T26] worker_thread+0xa6a/0x13b0 [ 351.808818][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 351.814282][ T26] kthread+0x346/0x3d0 [ 351.818456][ T26] ? worker_clr_flags+0x190/0x190 [ 351.823474][ T26] ? kthread_blkcg+0xd0/0xd0 [ 351.828166][ T26] ret_from_fork+0x1f/0x30 [ 351.832623][ T26] INFO: task kworker/1:2:307 blocked for more than 123 seconds. [ 351.840367][ T26] Not tainted syzkaller #0 [ 351.845372][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 351.854036][ T26] task:kworker/1:2 state:D stack: 0 pid: 307 ppid: 2 flags:0x00004000 [ 351.863384][ T26] Workqueue: events fqdir_work_fn [ 351.868491][ T26] Call Trace: [ 351.871771][ T26] __schedule+0xb47/0x1310 [ 351.876305][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 351.882201][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 351.887514][ T26] ? wq_worker_sleeping+0x196/0x200 [ 351.892705][ T26] schedule+0x13c/0x1d0 [ 351.896972][ T26] schedule_preempt_disabled+0x13/0x20 [ 351.902423][ T26] __mutex_lock+0x6c0/0xc50 [ 351.907024][ T26] ? debug_smp_processor_id+0x17/0x20 [ 351.912414][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 351.919315][ T26] ? slab_free_freelist_hook+0xc5/0x190 [ 351.924849][ T26] ? kvfree+0x35/0x40 [ 351.928956][ T26] __mutex_lock_slowpath+0xe/0x10 [ 351.933971][ T26] mutex_lock+0xcf/0xe0 [ 351.938229][ T26] ? mutex_trylock+0xa0/0xa0 [ 351.942813][ T26] ? inet_frag_pull_head+0x180/0x180 [ 351.948702][ T26] rcu_barrier+0x46/0x400 [ 351.953047][ T26] fqdir_work_fn+0x57/0xe0 [ 351.957596][ T26] process_one_work+0x6e1/0xba0 [ 351.962445][ T26] worker_thread+0xa6a/0x13b0 [ 351.967327][ T26] kthread+0x346/0x3d0 [ 351.971408][ T26] ? worker_clr_flags+0x190/0x190 [ 351.976563][ T26] ? kthread_blkcg+0xd0/0xd0 [ 351.981146][ T26] ret_from_fork+0x1f/0x30 [ 351.985988][ T26] INFO: task kworker/1:3:358 blocked for more than 123 seconds. [ 351.993651][ T26] Not tainted syzkaller #0 [ 351.998770][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 352.007505][ T26] task:kworker/1:3 state:D stack: 0 pid: 358 ppid: 2 flags:0x00004000 [ 352.016787][ T26] Workqueue: events fqdir_work_fn [ 352.021804][ T26] Call Trace: [ 352.025084][ T26] __schedule+0xb47/0x1310 [ 352.029637][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 352.035658][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 352.040849][ T26] ? wq_worker_sleeping+0x196/0x200 [ 352.046150][ T26] schedule+0x13c/0x1d0 [ 352.050300][ T26] schedule_preempt_disabled+0x13/0x20 [ 352.055862][ T26] __mutex_lock+0x6c0/0xc50 [ 352.060355][ T26] ? debug_smp_processor_id+0x17/0x20 [ 352.065834][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 352.072591][ T26] ? slab_free_freelist_hook+0xc5/0x190 [ 352.078271][ T26] ? kvfree+0x35/0x40 [ 352.082247][ T26] __mutex_lock_slowpath+0xe/0x10 [ 352.087377][ T26] mutex_lock+0xcf/0xe0 [ 352.091569][ T26] ? mutex_trylock+0xa0/0xa0 [ 352.096264][ T26] ? inet_frag_pull_head+0x180/0x180 [ 352.101542][ T26] rcu_barrier+0x46/0x400 [ 352.105961][ T26] fqdir_work_fn+0x57/0xe0 [ 352.110371][ T26] process_one_work+0x6e1/0xba0 [ 352.115431][ T26] worker_thread+0xa6a/0x13b0 [ 352.120106][ T26] kthread+0x346/0x3d0 [ 352.124163][ T26] ? worker_clr_flags+0x190/0x190 [ 352.129303][ T26] ? kthread_blkcg+0xd0/0xd0 [ 352.133895][ T26] ret_from_fork+0x1f/0x30 [ 352.138451][ T26] INFO: task kworker/1:4:359 blocked for more than 123 seconds. [ 352.146157][ T26] Not tainted syzkaller #0 [ 352.151079][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 352.159939][ T26] task:kworker/1:4 state:D stack: 0 pid: 359 ppid: 2 flags:0x00004000 [ 352.169211][ T26] Workqueue: events fqdir_work_fn [ 352.174225][ T26] Call Trace: [ 352.177646][ T26] __schedule+0xb47/0x1310 [ 352.182060][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 352.188048][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 352.193241][ T26] ? wq_worker_sleeping+0x196/0x200 [ 352.198538][ T26] schedule+0x13c/0x1d0 [ 352.202686][ T26] schedule_preempt_disabled+0x13/0x20 [ 352.208311][ T26] __mutex_lock+0x6c0/0xc50 [ 352.212814][ T26] ? debug_smp_processor_id+0x17/0x20 [ 352.218308][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 352.225058][ T26] ? slab_free_freelist_hook+0xc5/0x190 [ 352.230709][ T26] ? kvfree+0x35/0x40 [ 352.234693][ T26] __mutex_lock_slowpath+0xe/0x10 [ 352.239840][ T26] mutex_lock+0xcf/0xe0 [ 352.243985][ T26] ? mutex_trylock+0xa0/0xa0 [ 352.248679][ T26] ? inet_frag_pull_head+0x180/0x180 [ 352.253953][ T26] rcu_barrier+0x46/0x400 [ 352.258387][ T26] fqdir_work_fn+0x57/0xe0 [ 352.262824][ T26] process_one_work+0x6e1/0xba0 [ 352.267915][ T26] worker_thread+0xa6a/0x13b0 [ 352.272647][ T26] kthread+0x346/0x3d0 [ 352.276829][ T26] ? worker_clr_flags+0x190/0x190 [ 352.281865][ T26] ? kthread_blkcg+0xd0/0xd0 [ 352.286573][ T26] ret_from_fork+0x1f/0x30 [ 352.290989][ T26] INFO: task kworker/1:5:360 blocked for more than 123 seconds. [ 352.298732][ T26] Not tainted syzkaller #0 [ 352.303652][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 352.312446][ T26] task:kworker/1:5 state:D stack: 0 pid: 360 ppid: 2 flags:0x00004000 [ 352.321726][ T26] Workqueue: events fqdir_work_fn [ 352.326863][ T26] Call Trace: [ 352.330172][ T26] __schedule+0xb47/0x1310 [ 352.334602][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 352.340663][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 352.345926][ T26] ? wq_worker_sleeping+0x196/0x200 [ 352.351114][ T26] schedule+0x13c/0x1d0 [ 352.355386][ T26] schedule_preempt_disabled+0x13/0x20 [ 352.360839][ T26] __mutex_lock+0x6c0/0xc50 [ 352.365459][ T26] ? debug_smp_processor_id+0x17/0x20 [ 352.370841][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 352.377712][ T26] ? slab_free_freelist_hook+0xc5/0x190 [ 352.383285][ T26] ? kvfree+0x35/0x40 [ 352.387813][ T26] __mutex_lock_slowpath+0xe/0x10 [ 352.392842][ T26] mutex_lock+0xcf/0xe0 [ 352.397108][ T26] ? mutex_trylock+0xa0/0xa0 [ 352.401689][ T26] ? inet_frag_pull_head+0x180/0x180 [ 352.407076][ T26] rcu_barrier+0x46/0x400 [ 352.411398][ T26] fqdir_work_fn+0x57/0xe0 [ 352.416067][ T26] process_one_work+0x6e1/0xba0 [ 352.420910][ T26] worker_thread+0xa6a/0x13b0 [ 352.425686][ T26] kthread+0x346/0x3d0 [ 352.429742][ T26] ? worker_clr_flags+0x190/0x190 [ 352.434761][ T26] ? kthread_blkcg+0xd0/0xd0 [ 352.439514][ T26] ret_from_fork+0x1f/0x30 [ 352.443925][ T26] INFO: task kworker/1:6:361 blocked for more than 124 seconds. [ 352.451655][ T26] Not tainted syzkaller #0 [ 352.456657][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 352.465405][ T26] task:kworker/1:6 state:D stack: 0 pid: 361 ppid: 2 flags:0x00004000 [ 352.474601][ T26] Workqueue: events fqdir_work_fn [ 352.479755][ T26] Call Trace: [ 352.483081][ T26] __schedule+0xb47/0x1310 [ 352.487602][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 352.493486][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 352.498829][ T26] ? wq_worker_sleeping+0x196/0x200 [ 352.504019][ T26] schedule+0x13c/0x1d0 [ 352.508276][ T26] schedule_preempt_disabled+0x13/0x20 [ 352.513722][ T26] __mutex_lock+0x6c0/0xc50 [ 352.518327][ T26] ? debug_smp_processor_id+0x17/0x20 [ 352.523696][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 352.530599][ T26] ? slab_free_freelist_hook+0xc5/0x190 [ 352.536241][ T26] ? kvfree+0x35/0x40 [ 352.540225][ T26] __mutex_lock_slowpath+0xe/0x10 [ 352.545344][ T26] mutex_lock+0xcf/0xe0 [ 352.549498][ T26] ? mutex_trylock+0xa0/0xa0 [ 352.554108][ T26] ? inet_frag_pull_head+0x180/0x180 [ 352.559537][ T26] rcu_barrier+0x46/0x400 [ 352.563866][ T26] fqdir_work_fn+0x57/0xe0 [ 352.568511][ T26] process_one_work+0x6e1/0xba0 [ 352.573365][ T26] worker_thread+0xa6a/0x13b0 [ 352.578157][ T26] kthread+0x346/0x3d0 [ 352.582217][ T26] ? worker_clr_flags+0x190/0x190 [ 352.591560][ T26] ? kthread_blkcg+0xd0/0xd0 [ 352.596365][ T26] ret_from_fork+0x1f/0x30 [ 352.600815][ T26] INFO: task kworker/1:7:363 blocked for more than 124 seconds. [ 352.608542][ T26] Not tainted syzkaller #0 [ 352.613465][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 352.622249][ T26] task:kworker/1:7 state:D stack: 0 pid: 363 ppid: 2 flags:0x00004000 [ 352.631526][ T26] Workqueue: events fqdir_work_fn [ 352.636620][ T26] Call Trace: [ 352.639903][ T26] __schedule+0xb47/0x1310 [ 352.644320][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 352.650348][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 352.655631][ T26] ? wq_worker_sleeping+0x196/0x200 [ 352.660819][ T26] schedule+0x13c/0x1d0 [ 352.664961][ T26] schedule_preempt_disabled+0x13/0x20 [ 352.670539][ T26] __mutex_lock+0x6c0/0xc50 [ 352.675035][ T26] ? debug_smp_processor_id+0x17/0x20 [ 352.680509][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 352.687345][ T26] ? slab_free_freelist_hook+0xc5/0x190 [ 352.692885][ T26] ? kvfree+0x35/0x40 [ 352.697070][ T26] __mutex_lock_slowpath+0xe/0x10 [ 352.702091][ T26] mutex_lock+0xcf/0xe0 [ 352.706347][ T26] ? mutex_trylock+0xa0/0xa0 [ 352.710947][ T26] ? inet_frag_pull_head+0x180/0x180 [ 352.716345][ T26] rcu_barrier+0x46/0x400 [ 352.720663][ T26] fqdir_work_fn+0x57/0xe0 [ 352.725066][ T26] process_one_work+0x6e1/0xba0 [ 352.730034][ T26] worker_thread+0xa6a/0x13b0 [ 352.734708][ T26] kthread+0x346/0x3d0 [ 352.738880][ T26] ? worker_clr_flags+0x190/0x190 [ 352.743894][ T26] ? kthread_blkcg+0xd0/0xd0 [ 352.748580][ T26] ret_from_fork+0x1f/0x30 [ 352.752992][ T26] INFO: task kworker/1:8:364 blocked for more than 124 seconds. [ 352.760718][ T26] Not tainted syzkaller #0 [ 352.765709][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 352.774365][ T26] task:kworker/1:8 state:D stack: 0 pid: 364 ppid: 2 flags:0x00004000 [ 352.783764][ T26] Workqueue: events fqdir_work_fn [ 352.788855][ T26] Call Trace: [ 352.792185][ T26] __schedule+0xb47/0x1310 [ 352.796717][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 352.802608][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 352.807911][ T26] ? wq_worker_sleeping+0x196/0x200 [ 352.813102][ T26] schedule+0x13c/0x1d0 [ 352.817380][ T26] schedule_preempt_disabled+0x13/0x20 [ 352.822831][ T26] __mutex_lock+0x6c0/0xc50 [ 352.827453][ T26] ? debug_smp_processor_id+0x17/0x20 [ 352.832822][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 352.839692][ T26] ? slab_free_freelist_hook+0xc5/0x190 [ 352.845315][ T26] ? kvfree+0x35/0x40 [ 352.849293][ T26] __mutex_lock_slowpath+0xe/0x10 [ 352.854317][ T26] mutex_lock+0xcf/0xe0 [ 352.858608][ T26] ? mutex_trylock+0xa0/0xa0 [ 352.863206][ T26] ? inet_frag_pull_head+0x180/0x180 [ 352.868618][ T26] rcu_barrier+0x46/0x400 [ 352.872946][ T26] fqdir_work_fn+0x57/0xe0 [ 352.877482][ T26] process_one_work+0x6e1/0xba0 [ 352.882333][ T26] worker_thread+0xa6a/0x13b0 [ 352.887111][ T26] kthread+0x346/0x3d0 [ 352.891168][ T26] ? worker_clr_flags+0x190/0x190 [ 352.896307][ T26] ? kthread_blkcg+0xd0/0xd0 [ 352.900891][ T26] ret_from_fork+0x1f/0x30 [ 352.905412][ T26] NMI backtrace for cpu 1 [ 352.909730][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 [ 352.916908][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 352.926953][ T26] Call Trace: [ 352.930237][ T26] __dump_stack+0x21/0x24 [ 352.934557][ T26] dump_stack_lvl+0x169/0x1d8 [ 352.939227][ T26] ? show_regs_print_info+0x18/0x18 [ 352.944415][ T26] ? sched_show_task+0x324/0x4a0 [ 352.949340][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 352.954266][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 352.960327][ T26] dump_stack+0x15/0x1c [ 352.964478][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 352.970447][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 352.976347][ T26] watchdog+0xe2e/0xf70 [ 352.980515][ T26] ? hungtask_pm_notify+0x50/0x50 [ 352.985538][ T26] ? __kasan_check_read+0x11/0x20 [ 352.990550][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 352.995475][ T26] kthread+0x346/0x3d0 [ 352.999535][ T26] ? hungtask_pm_notify+0x50/0x50 [ 353.004545][ T26] ? kthread_blkcg+0xd0/0xd0 [ 353.009123][ T26] ret_from_fork+0x1f/0x30 [ 353.013581][ T26] Sending NMI from CPU 1 to CPUs 0: [ 353.019367][ C0] NMI backtrace for cpu 0 [ 353.019381][ C0] CPU: 0 PID: 362 Comm: syz.2.17 Not tainted syzkaller #0 [ 353.019386][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 353.019389][ C0] RIP: 0010:qdisc_lookup+0x428/0x4e0 [ 353.019399][ C0] Code: e1 07 80 c1 03 38 c1 7c b2 4c 89 ff e8 a1 7b f2 fd eb a8 e8 2a 8d b8 fd eb 08 e8 23 8d b8 fd 45 31 f6 4c 89 f0 48 83 c4 08 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 44 89 e1 80 e1 07 80 c1 03 38 c1 0f [ 353.019402][ C0] RSP: 0018:ffffc90000d86ed8 EFLAGS: 00000292 [ 353.019409][ C0] RAX: ffff88812a2da400 RBX: dffffc0000000000 RCX: ffff88810d12bb40 [ 353.019414][ C0] RDX: 0000000000000000 RSI: 00000000ffff0000 RDI: 00000000ffff0000 [ 353.019418][ C0] RBP: ffffc90000d86ef8 R08: ffff88810d12bb40 R09: 0000000000000002 [ 353.019422][ C0] R10: 00000000ffffffff R11: 0000000000000000 R12: ffff88810e95c000 [ 353.019426][ C0] R13: dffffc0000000000 R14: ffff88812a2da400 R15: 00000000ffff0000 [ 353.019430][ C0] FS: 0000555558976500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 353.019434][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 353.019438][ C0] CR2: 00002000000012c0 CR3: 000000010f800000 CR4: 00000000003506b0 [ 353.019442][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 353.019446][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 353.019448][ C0] Call Trace: [ 353.019451][ C0] qdisc_tree_reduce_backlog+0x111/0x340 [ 353.019454][ C0] fq_codel_change+0xa27/0xe40 [ 353.019457][ C0] ? fq_codel_destroy+0x90/0x90 [ 353.019459][ C0] ? __kmalloc+0x1a7/0x330 [ 353.019462][ C0] fq_codel_init+0x342/0xa20 [ 353.019465][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 353.019468][ C0] qdisc_create+0x780/0x1040 [ 353.019471][ C0] ? qdisc_notify+0x350/0x350 [ 353.019473][ C0] ? __nla_parse+0x42/0x60 [ 353.019476][ C0] tc_modify_qdisc+0x8da/0x14c0 [ 353.019479][ C0] ? qdisc_offload_graft_helper+0x280/0x280 [ 353.019482][ C0] ? cap_capable+0x19c/0x220 [ 353.019485][ C0] ? ns_capable+0x8c/0xf0 [ 353.019488][ C0] ? netlink_net_capable+0x125/0x160 [ 353.019491][ C0] ? qdisc_offload_graft_helper+0x280/0x280 [ 353.019494][ C0] rtnetlink_rcv_msg+0x9db/0xb90 [ 353.019496][ C0] ? rtnetlink_bind+0x80/0x80 [ 353.019499][ C0] ? arch_stack_walk+0xee/0x140 [ 353.019502][ C0] ? stack_trace_save+0x98/0xe0 [ 353.019505][ C0] ? stack_trace_snprint+0xf0/0xf0 [ 353.019508][ C0] ? do_syscall_64+0x31/0x40 [ 353.019510][ C0] ? memcpy+0x56/0x70 [ 353.019513][ C0] ? avc_has_perm+0x234/0x360 [ 353.019516][ C0] ? __kasan_slab_alloc+0xbd/0xf0 [ 353.019519][ C0] ? slab_post_alloc_hook+0x5d/0x2f0 [ 353.019521][ C0] ? ___sys_sendmsg+0x1f0/0x260 [ 353.019524][ C0] ? avc_has_perm_noaudit+0x240/0x240 [ 353.019527][ C0] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 353.019530][ C0] netlink_rcv_skb+0x1e0/0x430 [ 353.019533][ C0] ? rtnetlink_bind+0x80/0x80 [ 353.019535][ C0] ? netlink_ack+0xb80/0xb80 [ 353.019543][ C0] ? __netlink_lookup+0x387/0x3b0 [ 353.019546][ C0] rtnetlink_rcv+0x1c/0x20 [ 353.019548][ C0] netlink_unicast+0x876/0xa40 [ 353.019551][ C0] netlink_sendmsg+0x88d/0xb30 [ 353.019554][ C0] ? netlink_getsockopt+0x530/0x530 [ 353.019557][ C0] ? security_socket_sendmsg+0x82/0xa0 [ 353.019559][ C0] ? netlink_getsockopt+0x530/0x530 [ 353.019562][ C0] ____sys_sendmsg+0x5a2/0x8c0 [ 353.019565][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 353.019567][ C0] ? import_iovec+0x7c/0xb0 [ 353.019570][ C0] ___sys_sendmsg+0x1f0/0x260 [ 353.019573][ C0] ? __sys_sendmsg+0x250/0x250 [ 353.019575][ C0] ? __kasan_check_read+0x11/0x20 [ 353.019578][ C0] ? __fdget+0x15b/0x230 [ 353.019581][ C0] __x64_sys_sendmsg+0x1e2/0x2a0 [ 353.019583][ C0] ? ___sys_sendmsg+0x260/0x260 [ 353.019586][ C0] ? debug_smp_processor_id+0x17/0x20 [ 353.019590][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 353.019593][ C0] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 353.019595][ C0] do_syscall_64+0x31/0x40 [ 353.019599][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 353.019601][ C0] RIP: 0033:0x7f7a519c0749 [ 353.019610][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 353.019613][ C0] RSP: 002b:00007ffc9e96a7d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 353.019620][ C0] RAX: ffffffffffffffda RBX: 00007f7a51c16fa0 RCX: 00007f7a519c0749 [ 353.019625][ C0] RDX: 0000000000008840 RSI: 0000200000000740 RDI: 0000000000000005 [ 353.019629][ C0] RBP: 00007f7a51a44f91 R08: 0000000000000000 R09: 0000000000000000 [ 353.019633][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 353.019637][ C0] R13: 00007f7a51c16fa0 R14: 00007f7a51c16fa0 R15: 0000000000000003 [ 506.921291][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.2.17:362] [ 506.929382][ C0] Modules linked in: [ 506.933271][ C0] CPU: 0 PID: 362 Comm: syz.2.17 Not tainted syzkaller #0 [ 506.940354][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 506.950395][ C0] RIP: 0010:qdisc_lookup+0x67/0x4e0 [ 506.955567][ C0] Code: 00 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 7c 7f f2 fd 4d 8b 36 4d 8d 66 40 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 <74> 08 4c 89 e7 e8 5f 7f f2 fd 4d 8b 24 24 4c 89 e0 48 c1 e8 03 42 [ 506.975154][ C0] RSP: 0018:ffffc90000d86ec8 EFLAGS: 00000246 [ 506.981199][ C0] RAX: 1ffff11024fb6288 RBX: 00000000ffff0000 RCX: 0000000000000000 [ 506.989149][ C0] RDX: ffff88810d12bb40 RSI: 00000000ffff0000 RDI: 0000000000000000 [ 506.997112][ C0] RBP: ffffc90000d86ef8 R08: ffff88810d12bb40 R09: 0000000000000002 [ 507.005067][ C0] R10: 00000000ffffffff R11: 0000000000000000 R12: ffff888127db1440 [ 507.013031][ C0] R13: dffffc0000000000 R14: ffff888127db1400 R15: ffff88812a2da440 [ 507.020989][ C0] FS: 0000555558976500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 507.029892][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 507.036454][ C0] CR2: 00002000000012c0 CR3: 000000010f800000 CR4: 00000000003506b0 [ 507.044413][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 507.052362][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 507.060309][ C0] Call Trace: [ 507.063581][ C0] qdisc_tree_reduce_backlog+0x111/0x340 [ 507.069189][ C0] fq_codel_change+0xa27/0xe40 [ 507.073929][ C0] ? fq_codel_destroy+0x90/0x90 [ 507.078757][ C0] ? __kmalloc+0x1a7/0x330 [ 507.083150][ C0] fq_codel_init+0x342/0xa20 [ 507.087717][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 507.092979][ C0] qdisc_create+0x780/0x1040 [ 507.097557][ C0] ? qdisc_notify+0x350/0x350 [ 507.102211][ C0] ? __nla_parse+0x42/0x60 [ 507.106631][ C0] tc_modify_qdisc+0x8da/0x14c0 [ 507.111465][ C0] ? qdisc_offload_graft_helper+0x280/0x280 [ 507.117333][ C0] ? cap_capable+0x19c/0x220 [ 507.121902][ C0] ? ns_capable+0x8c/0xf0 [ 507.126226][ C0] ? netlink_net_capable+0x125/0x160 [ 507.131494][ C0] ? qdisc_offload_graft_helper+0x280/0x280 [ 507.137362][ C0] rtnetlink_rcv_msg+0x9db/0xb90 [ 507.142279][ C0] ? rtnetlink_bind+0x80/0x80 [ 507.146933][ C0] ? arch_stack_walk+0xee/0x140 [ 507.151759][ C0] ? stack_trace_save+0x98/0xe0 [ 507.156585][ C0] ? stack_trace_snprint+0xf0/0xf0 [ 507.161671][ C0] ? do_syscall_64+0x31/0x40 [ 507.166247][ C0] ? memcpy+0x56/0x70 [ 507.170223][ C0] ? avc_has_perm+0x234/0x360 [ 507.174872][ C0] ? __kasan_slab_alloc+0xbd/0xf0 [ 507.179872][ C0] ? slab_post_alloc_hook+0x5d/0x2f0 [ 507.185137][ C0] ? ___sys_sendmsg+0x1f0/0x260 [ 507.189962][ C0] ? avc_has_perm_noaudit+0x240/0x240 [ 507.195310][ C0] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 507.200657][ C0] netlink_rcv_skb+0x1e0/0x430 [ 507.205398][ C0] ? rtnetlink_bind+0x80/0x80 [ 507.210052][ C0] ? netlink_ack+0xb80/0xb80 [ 507.214618][ C0] ? __netlink_lookup+0x387/0x3b0 [ 507.219619][ C0] rtnetlink_rcv+0x1c/0x20 [ 507.224013][ C0] netlink_unicast+0x876/0xa40 [ 507.228754][ C0] netlink_sendmsg+0x88d/0xb30 [ 507.233498][ C0] ? netlink_getsockopt+0x530/0x530 [ 507.238685][ C0] ? security_socket_sendmsg+0x82/0xa0 [ 507.244117][ C0] ? netlink_getsockopt+0x530/0x530 [ 507.249299][ C0] ____sys_sendmsg+0x5a2/0x8c0 [ 507.254037][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 507.259040][ C0] ? import_iovec+0x7c/0xb0 [ 507.263517][ C0] ___sys_sendmsg+0x1f0/0x260 [ 507.268174][ C0] ? __sys_sendmsg+0x250/0x250 [ 507.272919][ C0] ? __kasan_check_read+0x11/0x20 [ 507.277941][ C0] ? __fdget+0x15b/0x230 [ 507.282161][ C0] __x64_sys_sendmsg+0x1e2/0x2a0 [ 507.287078][ C0] ? ___sys_sendmsg+0x260/0x260 [ 507.291904][ C0] ? debug_smp_processor_id+0x17/0x20 [ 507.297251][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 507.303302][ C0] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 507.308910][ C0] do_syscall_64+0x31/0x40 [ 507.313307][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 507.319174][ C0] RIP: 0033:0x7f7a519c0749 [ 507.323573][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 507.343159][ C0] RSP: 002b:00007ffc9e96a7d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 507.351552][ C0] RAX: ffffffffffffffda RBX: 00007f7a51c16fa0 RCX: 00007f7a519c0749 [ 507.359501][ C0] RDX: 0000000000008840 RSI: 0000200000000740 RDI: 0000000000000005 [ 507.367469][ C0] RBP: 00007f7a51a44f91 R08: 0000000000000000 R09: 0000000000000000 [ 507.375435][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 507.383386][ C0] R13: 00007f7a51c16fa0 R14: 00007f7a51c16fa0 R15: 0000000000000003 [ 507.391355][ C0] Sending NMI from CPU 0 to CPUs 1: [ 507.396569][ C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0x12/0x20 [ 507.407888][ T24] kauditd_printk_skb: 31 callbacks suppressed [ 507.407898][ T24] audit: type=1400 audit(1764143751.020:105): avc: denied { read } for pid=77 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 [ 507.437756][ T24] audit: type=1400 audit(1764143751.020:106): avc: denied { search } for pid=77 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 [ 507.459142][ T24] audit: type=1400 audit(1764143751.020:107): avc: denied { write } for pid=77 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 [ 507.480414][ T24] audit: type=1400 audit(1764143751.020:108): avc: denied { add_name } for pid=77 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 507.500982][ T24] audit: type=1400 audit(1764143751.020:109): avc: denied { create } for pid=77 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 507.521478][ T24] audit: type=1400 audit(1764143751.020:110): avc: denied { append open } for pid=77 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 [ 507.544405][ T24] audit: type=1400 audit(1764143751.020:111): avc: denied { getattr } for pid=77 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