Warning: Permanently added '10.128.1.42' (ED25519) to the list of known hosts. [ 100.656319][ T24] audit: type=1400 audit(1737534157.770:66): avc: denied { execmem } for pid=361 comm="syz-executor219" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 100.659747][ T24] audit: type=1400 audit(1737534157.780:67): avc: denied { mounton } for pid=361 comm="syz-executor219" path="/syzcgroup/unified" dev="sda1" ino=1926 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 100.660465][ T361] cgroup: Unknown subsys name 'net' [ 100.663113][ T24] audit: type=1400 audit(1737534157.780:68): avc: denied { mount } for pid=361 comm="syz-executor219" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 100.667519][ T24] audit: type=1400 audit(1737534157.780:69): avc: denied { unmount } for pid=361 comm="syz-executor219" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 100.667760][ T361] cgroup: Unknown subsys name 'devices' [ 100.757593][ T361] cgroup: Unknown subsys name 'hugetlb' [ 100.762973][ T361] cgroup: Unknown subsys name 'rlimit' [ 100.918033][ T24] audit: type=1400 audit(1737534158.040:70): avc: denied { setattr } for pid=361 comm="syz-executor219" name="raw-gadget" dev="devtmpfs" ino=249 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 100.941237][ T24] audit: type=1400 audit(1737534158.040:71): avc: denied { mounton } for pid=364 comm="syz-executor219" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 100.962503][ T24] audit: type=1400 audit(1737534158.050:72): avc: denied { mounton } for pid=364 comm="syz-executor219" path="/root/syzkaller.KGmL9E/syz-tmp" dev="sda1" ino=1930 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 100.963681][ T364] request_module fs-gadgetfs succeeded, but still no fs? [ 100.986718][ T24] audit: type=1400 audit(1737534158.050:73): avc: denied { mount } for pid=364 comm="syz-executor219" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 [ 101.015477][ T24] audit: type=1400 audit(1737534158.050:74): avc: denied { mounton } for pid=364 comm="syz-executor219" path="/root/syzkaller.KGmL9E/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1 [ 101.040543][ T24] audit: type=1400 audit(1737534158.050:75): avc: denied { mount } for pid=364 comm="syz-executor219" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 executing program executing program executing program executing program [ 101.063266][ T364] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 215.096216][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 215.102645][ C1] rcu: 1-...!: (9999 ticks this GP) idle=7ba/1/0x4000000000000000 softirq=4703/4712 fqs=5 last_accelerate: b77a/de8a dyntick_enabled: 1 [ 215.116432][ C1] (t=10000 jiffies g=4829 q=158) [ 215.121289][ C1] rcu: rcu_preempt kthread starved for 9990 jiffies! g4829 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 215.132307][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 215.142116][ C1] rcu: RCU grace-period kthread stack dump: [ 215.147850][ C1] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 215.156879][ C1] Call Trace: [ 215.160029][ C1] __schedule+0xbe6/0x1330 [ 215.164253][ C1] ? release_firmware_map_entry+0x18d/0x18d [ 215.169987][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 215.175278][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 215.179963][ C1] schedule+0x13d/0x1d0 [ 215.183976][ C1] schedule_timeout+0x18c/0x360 [ 215.188666][ C1] ? prepare_to_swait_event+0x39f/0x3e0 [ 215.194027][ C1] ? console_conditional_schedule+0x10/0x10 [ 215.199753][ C1] ? run_local_timers+0x160/0x160 [ 215.204617][ C1] rcu_gp_kthread+0xefc/0x23a0 [ 215.209218][ C1] ? dyntick_save_progress_counter+0x1c0/0x1c0 [ 215.215202][ C1] ? rcu_barrier_callback+0x50/0x50 [ 215.220237][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 215.224933][ C1] ? __kasan_check_read+0x11/0x20 [ 215.229795][ C1] ? __kthread_parkme+0xb9/0x1c0 [ 215.234554][ C1] kthread+0x34b/0x3d0 [ 215.238464][ C1] ? rcu_barrier_callback+0x50/0x50 [ 215.243493][ C1] ? kthread_blkcg+0xd0/0xd0 [ 215.247933][ C1] ret_from_fork+0x1f/0x30 [ 215.252209][ C1] NMI backtrace for cpu 1 [ 215.256351][ C1] CPU: 1 PID: 4166 Comm: syz-executor219 Not tainted 5.10.233-syzkaller-00881-gfbe98d68b6b3 #0 [ 215.266510][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 215.276389][ C1] Call Trace: [ 215.279510][ C1] [ 215.282206][ C1] dump_stack_lvl+0x1e2/0x24b [ 215.286717][ C1] ? panic+0x812/0x812 [ 215.290633][ C1] ? bfq_pos_tree_add_move+0x43b/0x43b [ 215.295916][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 215.301211][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 215.305900][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 215.311887][ C1] dump_stack+0x15/0x17 [ 215.315885][ C1] nmi_trigger_cpumask_backtrace+0x2b5/0x300 [ 215.321695][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 215.327596][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 215.333325][ C1] rcu_dump_cpu_stacks+0x199/0x2b0 [ 215.338275][ C1] rcu_sched_clock_irq+0xf8a/0x1890 [ 215.343303][ C1] ? rcutree_dead_cpu+0x340/0x340 [ 215.348168][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 215.353199][ C1] update_process_times+0x198/0x200 [ 215.358238][ C1] tick_sched_timer+0x188/0x240 [ 215.362918][ C1] ? tick_setup_sched_timer+0x480/0x480 [ 215.368302][ C1] __hrtimer_run_queues+0x3d7/0xa50 [ 215.373336][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 215.378293][ C1] ? clockevents_program_event+0x214/0x2c0 [ 215.383924][ C1] ? ktime_get_update_offsets_now+0x266/0x280 [ 215.389826][ C1] hrtimer_interrupt+0x39a/0x8b0 [ 215.394602][ C1] __sysvec_apic_timer_interrupt+0xfb/0x3f0 [ 215.400330][ C1] asm_call_irq_on_stack+0xf/0x20 [ 215.405194][ C1] [ 215.407966][ C1] sysvec_apic_timer_interrupt+0x85/0xe0 [ 215.413433][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 215.419258][ C1] RIP: 0010:_raw_spin_lock_bh+0xc0/0x1b0 [ 215.424817][ C1] Code: fc 4c 89 ff be 04 00 00 00 e8 8c 04 f5 fc 43 0f b6 04 26 84 c0 0f 85 aa 00 00 00 8b 44 24 20 b9 01 00 00 00 f0 41 0f b1 4d 00 <75> 33 48 c7 04 24 0e 36 e0 45 49 c7 04 1c 00 00 00 00 65 48 8b 04 [ 215.444251][ C1] RSP: 0018:ffffc90002f3e860 EFLAGS: 00000246 [ 215.450151][ C1] RAX: 0000000000000000 RBX: 1ffff920005e7d0c RCX: 0000000000000001 [ 215.457962][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90002f3e880 [ 215.465774][ C1] RBP: ffffc90002f3e8f0 R08: dffffc0000000000 R09: 0000000000000003 [ 215.473591][ C1] R10: fffff520005e7d10 R11: dffffc0000000001 R12: dffffc0000000000 [ 215.481398][ C1] R13: ffffc90002f3ed94 R14: 1ffff920005e7d10 R15: ffffc90002f3e880 [ 215.489218][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 215.494245][ C1] ? tipc_sk_rcv+0x1795/0x1e30 [ 215.498846][ C1] tipc_sk_rcv+0x2d6/0x1e30 [ 215.503183][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 215.508838][ C1] ? __stack_depot_save+0x468/0x4d0 [ 215.513861][ C1] ? kmem_cache_free+0xa9/0x1e0 [ 215.518559][ C1] ? kasan_set_free_info+0x23/0x40 [ 215.523499][ C1] ? ____kasan_slab_free+0x121/0x160 [ 215.528624][ C1] ? __kasan_slab_free+0x11/0x20 [ 215.533387][ C1] ? slab_free_freelist_hook+0xc0/0x190 [ 215.538771][ C1] ? kfree_skbmem+0x104/0x170 [ 215.543280][ C1] ? kfree_skb+0xc1/0x320 [ 215.547453][ C1] ? tipc_sk_rcv+0x8a1/0x1e30 [ 215.551961][ C1] ? tipc_node_xmit+0x34b/0xe30 [ 215.556652][ C1] ? __skb_queue_purge+0x180/0x180 [ 215.561598][ C1] tipc_node_xmit+0x34b/0xe30 [ 215.566110][ C1] ? ____kasan_slab_free+0x12c/0x160 [ 215.571230][ C1] ? tipc_node_get_linkname+0x190/0x190 [ 215.576614][ C1] ? __kasan_slab_free+0x11/0x20 [ 215.581384][ C1] ? slab_free_freelist_hook+0xc0/0x190 [ 215.586771][ C1] tipc_node_distr_xmit+0x36a/0x4d0 [ 215.591800][ C1] ? tipc_node_xmit_skb+0x1b0/0x1b0 [ 215.596836][ C1] ? trace_tipc_sk_rej_msg+0x2b/0x6f0 [ 215.602042][ C1] tipc_sk_rcv+0x177d/0x1e30 [ 215.606478][ C1] ? __skb_queue_purge+0x180/0x180 [ 215.611429][ C1] tipc_node_xmit+0x34b/0xe30 [ 215.615929][ C1] ? stack_trace_save+0x1c0/0x1c0 [ 215.620790][ C1] ? __kernel_text_address+0x9b/0x110 [ 215.625996][ C1] ? tipc_node_get_linkname+0x190/0x190 [ 215.631376][ C1] ? arch_stack_walk+0xf3/0x140 [ 215.636064][ C1] tipc_sk_filter_rcv+0x1da8/0x3e00 [ 215.641110][ C1] ? tipc_sk_dump+0xf50/0xf50 [ 215.645611][ C1] ? __kasan_check_write+0x14/0x20 [ 215.650560][ C1] ? _raw_spin_lock_bh+0xa4/0x1b0 [ 215.655418][ C1] ? kmem_cache_free+0xa9/0x1e0 [ 215.660137][ C1] tipc_sk_rcv+0x8a1/0x1e30 [ 215.664449][ C1] ? __skb_queue_purge+0x180/0x180 [ 215.669392][ C1] ? tipc_sk_filter_rcv+0x3583/0x3e00 [ 215.674602][ C1] tipc_node_xmit+0x34b/0xe30 [ 215.679116][ C1] ? tipc_node_get_linkname+0x190/0x190 [ 215.684498][ C1] tipc_node_distr_xmit+0x36a/0x4d0 [ 215.689539][ C1] ? tipc_node_xmit_skb+0x1b0/0x1b0 [ 215.694562][ C1] ? kasan_check_range+0x1/0x2a0 [ 215.699338][ C1] tipc_sk_backlog_rcv+0x18b/0x210 [ 215.704283][ C1] ? tipc_sk_timeout+0xab0/0xab0 [ 215.709059][ C1] ? __local_bh_enable_ip+0x53/0x80 [ 215.714091][ C1] ? lock_sock_nested+0x26a/0x300 [ 215.718957][ C1] __release_sock+0x148/0x410 [ 215.723465][ C1] sock_setsockopt+0x1e3b/0x2e00 [ 215.728238][ C1] ? __sock_set_mark+0x160/0x160 [ 215.733015][ C1] ? selinux_socket_getsockopt+0x340/0x340 [ 215.738658][ C1] ? security_socket_setsockopt+0x82/0xb0 [ 215.744209][ C1] __sys_setsockopt+0x441/0x870 [ 215.748897][ C1] ? __ia32_sys_recv+0xb0/0xb0 [ 215.753497][ C1] ? __kasan_check_write+0x14/0x20 [ 215.758443][ C1] ? switch_fpu_return+0x1e4/0x3c0 [ 215.763389][ C1] ? fpu__clear_all+0x20/0x20 [ 215.767903][ C1] __x64_sys_setsockopt+0xbf/0xd0 [ 215.772763][ C1] do_syscall_64+0x34/0x70 [ 215.777018][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 215.782743][ C1] RIP: 0033:0x7fd3fa5223f9 [ 215.787016][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 1c 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 215.806438][ C1] RSP: 002b:00007fd3fa4d8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 215.814681][ C1] RAX: ffffffffffffffda RBX: 00007fd3fa5ab188 RCX: 00007fd3fa5223f9 [ 215.822494][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 215.830305][ C1] RBP: 00007fd3fa5ab180 R08: 0000000000000004 R09: 00007fd3fa5ab188 [ 215.838116][ C1] R10: 0000000020000540 R11: 0000000000000246 R12: 00007fd3fa5ab18c [ 215.845926][ C1] R13: 0000000000000016 R14: 00007ffd9ba40140 R15: 00007ffd9ba40228 [ 264.905195][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor219:4165] [ 264.913687][ C0] Modules linked in: [ 264.917423][ C0] CPU: 0 PID: 4165 Comm: syz-executor219 Not tainted 5.10.233-syzkaller-00881-gfbe98d68b6b3 #0 [ 264.927566][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 264.937485][ C0] RIP: 0010:kvm_wait+0xfc/0x150 [ 264.942149][ C0] Code: 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d a5 53 d5 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d 96 53 d5 03 fb f4 <4c> 89 7c 24 18 ff 74 24 18 9d 48 c7 44 24 20 0e 36 e0 45 49 c7 04 [ 264.962025][ C0] RSP: 0018:ffffc90002c879e0 EFLAGS: 00000246 [ 264.967926][ C0] RAX: 0000000000000003 RBX: 1ffff92000590f40 RCX: ffffffff8150ca44 [ 264.975735][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90002c87a20 [ 264.983549][ C0] RBP: ffffc90002c87a90 R08: dffffc0000000000 R09: ffffed1021e78bd2 [ 264.991359][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 264.999175][ C0] R13: ffff88810f3c5e88 R14: 0000000000000003 R15: 0000000000000246 [ 265.006988][ C0] FS: 0000555577a09480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 265.015754][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.022174][ C0] CR2: 00007fd3fa4b7d58 CR3: 00000001156d9000 CR4: 00000000003506b0 [ 265.029985][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.037793][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.045603][ C0] Call Trace: [ 265.048727][ C0] [ 265.051445][ C0] ? show_regs+0x58/0x60 [ 265.055504][ C0] ? watchdog_timer_fn+0x471/0x590 [ 265.060449][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.065569][ C0] ? __hrtimer_run_queues+0x3d7/0xa50 [ 265.070781][ C0] ? hrtimer_interrupt+0x8b0/0x8b0 [ 265.075725][ C0] ? clockevents_program_event+0x214/0x2c0 [ 265.081368][ C0] ? ktime_get_update_offsets_now+0x266/0x280 [ 265.087270][ C0] ? hrtimer_interrupt+0x39a/0x8b0 [ 265.092222][ C0] ? __sysvec_apic_timer_interrupt+0xfb/0x3f0 [ 265.098122][ C0] ? asm_call_irq_on_stack+0xf/0x20 [ 265.103150][ C0] [ 265.105937][ C0] ? sysvec_apic_timer_interrupt+0x85/0xe0 [ 265.111570][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 265.117560][ C0] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 265.123637][ C0] ? kvm_wait+0xfc/0x150 [ 265.127714][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 265.133702][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 265.138652][ C0] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 265.144725][ C0] __pv_queued_spin_lock_slowpath+0x72f/0xc70 [ 265.150632][ C0] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 265.156876][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 265.161653][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.166687][ C0] ? __kasan_record_aux_stack+0xd3/0x100 [ 265.172162][ C0] ? memset+0x35/0x40 [ 265.175977][ C0] lock_sock_nested+0x92/0x300 [ 265.180574][ C0] ? locks_remove_posix+0x610/0x610 [ 265.185606][ C0] ? sock_init_data+0xc0/0xc0 [ 265.190121][ C0] tipc_release+0x57/0x1440 [ 265.194459][ C0] sock_close+0xdf/0x270 [ 265.198539][ C0] ? sock_mmap+0xa0/0xa0 [ 265.202615][ C0] __fput+0x33d/0x7b0 [ 265.206437][ C0] ____fput+0x15/0x20 [ 265.210254][ C0] task_work_run+0x129/0x190 [ 265.214682][ C0] exit_to_user_mode_loop+0xbf/0xd0 [ 265.219716][ C0] syscall_exit_to_user_mode+0xa2/0x1a0 [ 265.225097][ C0] do_syscall_64+0x40/0x70 [ 265.229349][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.235075][ C0] RIP: 0033:0x7fd3fa52154a [ 265.239332][ C0] Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 33 63 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 93 63 02 00 8b 44 24 [ 265.258767][ C0] RSP: 002b:00007ffd9ba402f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 265.267023][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd3fa52154a [ 265.274823][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 265.282636][ C0] RBP: 00007ffd9ba40350 R08: 0000000000000000 R09: 00007ffd9ba403c0 [ 265.290448][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007ffd9ba403c0 [ 265.298260][ C0] R13: 00007fd3fa4e44b0 R14: 00007fd3fa5ab19c R15: 0000000000000005 [ 265.306074][ C0] Sending NMI from CPU 0 to CPUs 1: [ 265.311899][ C1] NMI backtrace for cpu 1 [ 265.311908][ C1] CPU: 1 PID: 4166 Comm: syz-executor219 Not tainted 5.10.233-syzkaller-00881-gfbe98d68b6b3 #0 [ 265.311914][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 265.311917][ C1] RIP: 0010:bcmp+0x3b/0xb0 [ 265.311926][ C1] Code: 84 84 00 00 00 49 89 d6 49 89 f7 49 89 fc 48 ba 00 00 00 00 00 fc ff df 45 31 ed 4b 8d 3c 2c 48 89 f8 48 c1 e8 03 0f b6 04 10 <84> c0 75 2b 43 0f b6 1c 2c 4b 8d 3c 2f 48 89 f8 48 c1 e8 03 0f b6 [ 265.311929][ C1] RSP: 0018:ffffc90002f3e7c8 EFLAGS: 00000a07 [ 265.311937][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000002f3e801 [ 265.311941][ C1] RDX: dffffc0000000000 RSI: ffffc90002f3e880 RDI: ffff88810f3c615e [ 265.311945][ C1] RBP: ffffc90002f3e7f0 R08: ffffffff849a2eb5 R09: ffffed1021e129e1 [ 265.311949][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810f3c615c [ 265.311954][ C1] R13: 0000000000000002 R14: 0000000000000004 R15: ffffc90002f3e880 [ 265.311959][ C1] FS: 00007fd3fa4d86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 265.311962][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.311967][ C1] CR2: 00007fd3fa5a30f0 CR3: 00000001156d9000 CR4: 00000000003506a0 [ 265.311971][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.311975][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.311977][ C1] Call Trace: [ 265.311980][ C1] [ 265.311982][ C1] ? show_regs+0x58/0x60 [ 265.311986][ C1] ? nmi_cpu_backtrace+0x133/0x160 [ 265.311988][ C1] ? bcmp+0x3b/0xb0 [ 265.311991][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 265.311994][ C1] ? nmi_handle+0xa8/0x280 [ 265.311997][ C1] ? bcmp+0x3b/0xb0 [ 265.312000][ C1] ? default_do_nmi+0x69/0x160 [ 265.312002][ C1] ? exc_nmi+0xad/0x100 [ 265.312005][ C1] ? end_repeat_nmi+0x16/0x31 [ 265.312008][ C1] ? tipc_sk_lookup+0x295/0x650 [ 265.312011][ C1] ? bcmp+0x3b/0xb0 [ 265.312013][ C1] ? bcmp+0x3b/0xb0 [ 265.312016][ C1] ? bcmp+0x3b/0xb0 [ 265.312018][ C1] [ 265.312021][ C1] tipc_sk_lookup+0x313/0x650 [ 265.312024][ C1] ? tipc_sk_rcv+0x1e30/0x1e30 [ 265.312028][ C1] ? __raw_callee_save___pv_queued_spin_unlock+0x10/0x17 [ 265.312031][ C1] tipc_sk_rcv+0x499/0x1e30 [ 265.312034][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 265.312037][ C1] ? __stack_depot_save+0x468/0x4d0 [ 265.312040][ C1] ? kmem_cache_free+0xa9/0x1e0 [ 265.312043][ C1] ? kasan_set_free_info+0x23/0x40 [ 265.312046][ C1] ? ____kasan_slab_free+0x121/0x160 [ 265.312049][ C1] ? __kasan_slab_free+0x11/0x20 [ 265.312053][ C1] ? slab_free_freelist_hook+0xc0/0x190 [ 265.312055][ C1] ? kfree_skbmem+0x104/0x170 [ 265.312058][ C1] ? kfree_skb+0xc1/0x320 [ 265.312061][ C1] ? tipc_sk_rcv+0x8a1/0x1e30 [ 265.312064][ C1] ? tipc_node_xmit+0x34b/0xe30 [ 265.312067][ C1] ? __skb_queue_purge+0x180/0x180 [ 265.312070][ C1] tipc_node_xmit+0x34b/0xe30 [ 265.312073][ C1] ? ____kasan_slab_free+0x12c/0x160 [ 265.312076][ C1] ? tipc_node_get_linkname+0x190/0x190 [ 265.312079][ C1] ? __kasan_slab_free+0x11/0x20 [ 265.312082][ C1] ? slab_free_freelist_hook+0xc0/0x190 [ 265.312085][ C1] tipc_node_distr_xmit+0x36a/0x4d0 [ 265.312088][ C1] ? tipc_node_xmit_skb+0x1b0/0x1b0 [ 265.312092][ C1] ? trace_tipc_sk_rej_msg+0x2b/0x6f0 [ 265.312094][ C1] tipc_sk_rcv+0x177d/0x1e30 [ 265.312097][ C1] ? __skb_queue_purge+0x180/0x180 [ 265.312100][ C1] tipc_node_xmit+0x34b/0xe30 [ 265.312103][ C1] ? stack_trace_save+0x1c0/0x1c0 [ 265.312106][ C1] ? __kernel_text_address+0x9b/0x110 [ 265.312110][ C1] ? tipc_node_get_linkname+0x190/0x190 [ 265.312113][ C1] ? arch_stack_walk+0xf3/0x140 [ 265.312115][ C1] tipc_sk_filter_rcv+0x1da8/0x3e00 [ 265.312117][ C1] ? tipc_sk_dump+0xf50/0xf50 [ 265.312120][ C1] ? __kasan_check_write+0x14/0x20 [ 265.312122][ C1] ? _raw_spin_lock_bh+0xa4/0x1b0 [ 265.312124][ C1] ? kmem_cache_free+0xa9/0x1e0 [ 265.312126][ C1] tipc_sk_rcv+0x8a1/0x1e30 [ 265.312129][ C1] ? __skb_queue_purge+0x180/0x180 [ 265.312132][ C1] ? tipc_sk_filter_rcv+0x3583/0x3e00 [ 265.312134][ C1] tipc_node_xmit+0x34b/0xe30 [ 265.312137][ C1] ? tipc_node_get_linkname+0x190/0x190 [ 265.312139][ C1] tipc_node_distr_xmit+0x36a/0x4d0 [ 265.312141][ C1] ? tipc_node_xmit_skb+0x1b0/0x1b0 [ 265.312144][ C1] ? kasan_check_range+0x1/0x2a0 [ 265.312146][ C1] tipc_sk_backlog_rcv+0x18b/0x210 [ 265.312148][ C1] ? tipc_sk_timeout+0xab0/0xab0 [ 265.312150][ C1] ? __local_bh_enable_ip+0x53/0x80 [ 265.312152][ C1] ? lock_sock_nested+0x26a/0x300 [ 265.312155][ C1] __release_sock+0x148/0x410 [ 265.312157][ C1] sock_setsockopt+0x1e3b/0x2e00 [ 265.312159][ C1] ? __sock_set_mark+0x160/0x160 [ 265.312162][ C1] ? selinux_socket_getsockopt+0x340/0x340 [ 265.312164][ C1] ? security_socket_setsockopt+0x82/0xb0 [ 265.312166][ C1] __sys_setsockopt+0x441/0x870 [ 265.312168][ C1] ? __ia32_sys_recv+0xb0/0xb0 [ 265.312171][ C1] ? __kasan_check_write+0x14/0x20 [ 265.312173][ C1] ? switch_fpu_return+0x1e4/0x3c0 [ 265.312175][ C1] ? fpu__clear_all+0x20/0x20 [ 265.312178][ C1] __x64_sys_setsockopt+0xbf/0xd0 [ 265.312180][ C1] do_syscall_64+0x34/0x70 [ 265.312183][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.312185][ C1] RIP: 0033:0x7fd3fa5223f9 [ 265.312192][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 1c 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 265.312195][ C1] RSP: 002b:00007fd3fa4d8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 265.312200][ C1] RAX: ffffffffffffffda RBX: 00007fd3fa5ab188 RCX: 00007fd3fa5223f9 [ 265.312204][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 265.312207][ C1] RBP: 00007fd3fa5ab180 R08: 0000000000000004 R09: 00007fd3fa5ab188 [ 265.312210][ C1] R10: 0000000020000540 R11: 0000000000000246 R12: 00007fd3fa5ab18c [ 265.312213][ C1] R13: 0000000000000016 R14: 00007ffd9ba40140 R15: 00007ffd9ba40228