./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4149228448
<...>
Warning: Permanently added '10.128.0.117' (ED25519) to the list of known hosts.
execve("./syz-executor4149228448", ["./syz-executor4149228448"], 0x7ffc88a9cc70 /* 10 vars */) = 0
brk(NULL) = 0x555556321000
brk(0x555556321d00) = 0x555556321d00
arch_prctl(ARCH_SET_FS, 0x555556321380) = 0
set_tid_address(0x555556321650) = 293
set_robust_list(0x555556321660, 24) = 0
rseq(0x555556321ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4149228448", 4096) = 28
getrandom("\x71\x93\xe6\xca\x83\xaf\x30\xb5", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555556321d00
brk(0x555556342d00) = 0x555556342d00
brk(0x555556343000) = 0x555556343000
mprotect(0x7f502384e000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556321650) = 294
./strace-static-x86_64: Process 294 attached
[pid 294] set_robust_list(0x555556321660, 24) = 0
[pid 294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 294] setpgid(0, 0) = 0
[pid 294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 294] write(3, "1000", 4) = 4
[pid 294] close(3) = 0
[pid 294] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3
[pid 294] socketpair(AF_UNIX, SOCK_STREAM, 0, [4, 5]) = 0
[pid 294] ioctl(5, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0
[ 21.873176][ T30] audit: type=1400 audit(1692838104.707:66): avc: denied { execmem } for pid=293 comm="syz-executor414" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 121.877601][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 121.884350][ C1] (detected by 1, t=10002 jiffies, g=321, q=2490)
[ 121.890684][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294949406-4294939404), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 121.903879][ C1] rcu: rcu_preempt kthread starved for 10002 jiffies! g321 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 121.914815][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 121.924619][ C1] rcu: RCU grace-period kthread stack dump:
[ 121.930350][ C1] task:rcu_preempt state:R running task stack:28328 pid: 14 ppid: 2 flags:0x00004000
[ 121.940938][ C1] Call Trace:
[ 121.944060][ C1]
[ 121.946852][ C1] __schedule+0xcbe/0x1580
[ 121.951103][ C1] ? release_firmware_map_entry+0x18f/0x18f
[ 121.956820][ C1] ? __kasan_check_write+0x14/0x20
[ 121.961769][ C1] ? __kasan_check_write+0x14/0x20
[ 121.966712][ C1] schedule+0x11f/0x1e0
[ 121.970707][ C1] schedule_timeout+0x18c/0x370
[ 121.975392][ C1] ? __update_idle_core+0x2a0/0x2a0
[ 121.980430][ C1] ? console_conditional_schedule+0x30/0x30
[ 121.986156][ C1] ? update_process_times+0x200/0x200
[ 121.991363][ C1] ? prepare_to_swait_event+0x308/0x320
[ 121.996743][ C1] rcu_gp_fqs_loop+0x29f/0xe60
[ 122.001344][ C1] ? debug_smp_processor_id+0x17/0x20
[ 122.006582][ C1] ? __note_gp_changes+0x4ab/0x920
[ 122.011499][ C1] ? rcu_gp_init+0xc20/0xc20
[ 122.016020][ C1] ? _raw_spin_unlock_irq+0x4e/0x70
[ 122.021052][ C1] ? rcu_gp_init+0x9c5/0xc20
[ 122.025567][ C1] rcu_gp_kthread+0xa4/0x350
[ 122.029993][ C1] ? _raw_spin_lock+0x1b0/0x1b0
[ 122.034853][ C1] ? rcu_barrier_callback+0x50/0x50
[ 122.039895][ C1] ? __kasan_check_read+0x11/0x20
[ 122.044849][ C1] ? __kthread_parkme+0xb2/0x200
[ 122.049609][ C1] kthread+0x421/0x510
[ 122.053530][ C1] ? rcu_barrier_callback+0x50/0x50
[ 122.058547][ C1] ? kthread_blkcg+0xd0/0xd0
[ 122.062976][ C1] ret_from_fork+0x1f/0x30
[ 122.067229][ C1]
[ 122.070089][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 122.076269][ C1] NMI backtrace for cpu 1
[ 122.080423][ C1] CPU: 1 PID: 294 Comm: syz-executor414 Not tainted 5.15.122-syzkaller-00676-g1463976ddc64 #0
[ 122.090487][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[ 122.100383][ C1] Call Trace:
[ 122.103506][ C1]
[ 122.106281][ C1] dump_stack_lvl+0x151/0x1b7
[ 122.110798][ C1] ? io_uring_drop_tctx_refs+0x190/0x190
[ 122.116264][ C1] dump_stack+0x15/0x17
[ 122.122419][ C1] nmi_cpu_backtrace+0x2f7/0x300
[ 122.127294][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270
[ 122.133286][ C1] ? panic+0x751/0x751
[ 122.137182][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 122.143169][ C1] nmi_trigger_cpumask_backtrace+0x15d/0x270
[ 122.149072][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 122.154981][ C1] arch_trigger_cpumask_backtrace+0x10/0x20
[ 122.160791][ C1] rcu_check_gp_kthread_starvation+0x1e3/0x250
[ 122.166799][ C1] print_other_cpu_stall+0x112d/0x1340
[ 122.172072][ C1] ? generic_exec_single+0x271/0x400
[ 122.177191][ C1] ? rcu_stall_kick_kthreads+0x240/0x240
[ 122.182659][ C1] ? timekeeping_update+0x392/0x460
[ 122.187695][ C1] rcu_sched_clock_irq+0x97c/0x18e0
[ 122.192733][ C1] ? rcu_boost_kthread_setaffinity+0x340/0x340
[ 122.198724][ C1] ? hrtimer_run_queues+0x15f/0x440
[ 122.203753][ C1] update_process_times+0x198/0x200
[ 122.208785][ C1] tick_sched_timer+0x188/0x240
[ 122.213467][ C1] ? tick_setup_sched_timer+0x480/0x480
[ 122.218852][ C1] __hrtimer_run_queues+0x41a/0xad0
[ 122.223886][ C1] ? hrtimer_interrupt+0xaa0/0xaa0
[ 122.228942][ C1] ? clockevents_program_event+0x22f/0x300
[ 122.234668][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0
[ 122.240579][ C1] hrtimer_interrupt+0x40c/0xaa0
[ 122.245344][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0
[ 122.251078][ C1] sysvec_apic_timer_interrupt+0x95/0xc0
[ 122.256540][ C1]
[ 122.259317][ C1]
[ 122.262094][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 122.267911][ C1] RIP: 0010:kvm_wait+0x147/0x180
[ 122.272687][ C1] Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 6b ff f2 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c
[ 122.292217][ C1] RSP: 0018:ffffc90000a66b00 EFLAGS: 00000246
[ 122.298197][ C1] RAX: 0000000000000003 RBX: 1ffff9200014cd64 RCX: ffffffff8154ce3f
[ 122.306096][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff8881159f0cac
[ 122.313914][ C1] RBP: ffffc90000a66bb0 R08: dffffc0000000000 R09: ffffed1022b3e196
[ 122.321808][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[ 122.329703][ C1] R13: ffff8881159f0cac R14: 0000000000000003 R15: 1ffff9200014cd68
[ 122.337517][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40
[ 122.343591][ C1] ? asm_common_interrupt+0x27/0x40
[ 122.348624][ C1] ? kvm_arch_para_hints+0x30/0x30
[ 122.353571][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40
[ 122.359648][ C1] __pv_queued_spin_lock_slowpath+0x6bc/0xc40
[ 122.365548][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310
[ 122.371797][ C1] ? __kmalloc+0x13a/0x270
[ 122.376051][ C1] ? kvmalloc_node+0x1f0/0x4d0
[ 122.380650][ C1] _raw_spin_lock_bh+0x139/0x1b0
[ 122.385422][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 122.390460][ C1] ? __kasan_check_read+0x11/0x20
[ 122.395317][ C1] get_dist_table+0x207/0x2e0
[ 122.399829][ C1] netem_change+0xa6a/0x20c0
[ 122.404255][ C1] ? __x64_sys_sendmsg+0x7b/0x90
[ 122.409028][ C1] ? do_syscall_64+0x3d/0xb0
[ 122.413456][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 122.419365][ C1] ? netem_destroy+0xc0/0xc0
[ 122.423785][ C1] ? hrtimer_init+0x30/0x160
[ 122.428212][ C1] netem_init+0x5b/0xb0
[ 122.432203][ C1] ? qdisc_peek_dequeued+0x230/0x230
[ 122.437333][ C1] qdisc_create+0x890/0x12e0
[ 122.441754][ C1] ? qdisc_notify+0x370/0x370
[ 122.446263][ C1] ? __nla_parse+0x43/0x60
[ 122.450520][ C1] tc_modify_qdisc+0x8b4/0x14b0
[ 122.455203][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0
[ 122.460937][ C1] ? wait_for_completion_killable_timeout+0x10/0x10
[ 122.467352][ C1] ? ns_capable+0x89/0xe0
[ 122.471531][ C1] ? netlink_net_capable+0x125/0x160
[ 122.476645][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0
[ 122.482404][ C1] rtnetlink_rcv_msg+0x951/0xc40
[ 122.487155][ C1] ? rtnetlink_bind+0x80/0x80
[ 122.491658][ C1] ? avc_denied+0x13f/0x1b0
[ 122.495996][ C1] ? avc_has_perm_noaudit+0x2dd/0x430
[ 122.501203][ C1] ? avc_denied+0x1b0/0x1b0
[ 122.505542][ C1] ? avc_has_perm+0x16f/0x260
[ 122.510060][ C1] ? ____kasan_kmalloc+0xed/0x110
[ 122.514916][ C1] ? avc_has_perm_noaudit+0x430/0x430
[ 122.520347][ C1] ? do_syscall_64+0x3d/0xb0
[ 122.524726][ C1] netlink_rcv_skb+0x1cf/0x410
[ 122.529325][ C1] ? rtnetlink_bind+0x80/0x80
[ 122.533847][ C1] ? netlink_ack+0xb10/0xb10
[ 122.538263][ C1] ? __netlink_lookup+0x37b/0x3a0
[ 122.543122][ C1] rtnetlink_rcv+0x1c/0x20
[ 122.547375][ C1] netlink_unicast+0x8df/0xac0
[ 122.551976][ C1] ? netlink_detachskb+0x90/0x90
[ 122.556750][ C1] ? security_netlink_send+0x7b/0xa0
[ 122.561875][ C1] netlink_sendmsg+0xa0a/0xd20
[ 122.566472][ C1] ? netlink_getsockopt+0x560/0x560
[ 122.571514][ C1] ? security_socket_sendmsg+0x82/0xb0
[ 122.576798][ C1] ? netlink_getsockopt+0x560/0x560
[ 122.581833][ C1] ____sys_sendmsg+0x59e/0x8f0
[ 122.586433][ C1] ? __sys_sendmsg_sock+0x40/0x40
[ 122.591291][ C1] ? import_iovec+0xe5/0x120
[ 122.595718][ C1] ___sys_sendmsg+0x252/0x2e0
[ 122.600232][ C1] ? __sys_sendmsg+0x260/0x260
[ 122.604831][ C1] ? finish_task_switch+0x167/0x7b0
[ 122.609865][ C1] ? __schedule+0xcc6/0x1580
[ 122.614291][ C1] ? __kasan_check_write+0x14/0x20
[ 122.619238][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0
[ 122.624196][ C1] ? __kasan_check_read+0x11/0x20
[ 122.629046][ C1] ? __fdget+0x179/0x240
[ 122.633127][ C1] __se_sys_sendmsg+0x19a/0x260
[ 122.637818][ C1] ? _raw_spin_unlock_irq+0x4e/0x70
[ 122.642939][ C1] ? __x64_sys_sendmsg+0x90/0x90
[ 122.647707][ C1] ? __kasan_check_read+0x11/0x20
[ 122.652572][ C1] __x64_sys_sendmsg+0x7b/0x90
[ 122.657166][ C1] do_syscall_64+0x3d/0xb0
[ 122.661418][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 122.667146][ C1] RIP: 0033:0x7f50237dacb9
[ 122.671500][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48
[ 122.690932][ C1] RSP: 002b:00007ffeddb79938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 122.699174][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f50237dacb9
[ 122.706993][ C1] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[ 122.714796][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 122.722606][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 122.730418][ C1] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 122.738233][ C1]
[ 265.046310][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 246s! [syz-executor414:294]
[ 265.054727][ C1] Modules linked in:
[ 265.058458][ C1] CPU: 1 PID: 294 Comm: syz-executor414 Not tainted 5.15.122-syzkaller-00676-g1463976ddc64 #0
[ 265.068525][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[ 265.078421][ C1] RIP: 0010:kvm_wait+0x147/0x180
[ 265.083195][ C1] Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 6b ff f2 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c
[ 265.103065][ C1] RSP: 0018:ffffc90000a66b00 EFLAGS: 00000246
[ 265.108966][ C1] RAX: 0000000000000003 RBX: 1ffff9200014cd64 RCX: ffffffff8154ce3f
[ 265.116780][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff8881159f0cac
[ 265.124593][ C1] RBP: ffffc90000a66bb0 R08: dffffc0000000000 R09: ffffed1022b3e196
[ 265.132402][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[ 265.140210][ C1] R13: ffff8881159f0cac R14: 0000000000000003 R15: 1ffff9200014cd68
[ 265.148023][ C1] FS: 0000555556321380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 265.156788][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 265.163212][ C1] CR2: 0000000000458e30 CR3: 000000011e2ad000 CR4: 00000000003506a0
[ 265.171027][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 265.178836][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 265.186644][ C1] Call Trace:
[ 265.189770][ C1]
[ 265.192462][ C1] ? show_regs+0x58/0x60
[ 265.196542][ C1] ? watchdog_timer_fn+0x4b1/0x5f0
[ 265.201486][ C1] ? proc_watchdog_cpumask+0xd0/0xd0
[ 265.206607][ C1] ? __hrtimer_run_queues+0x41a/0xad0
[ 265.211816][ C1] ? hrtimer_interrupt+0xaa0/0xaa0
[ 265.216762][ C1] ? clockevents_program_event+0x22f/0x300
[ 265.222403][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0
[ 265.228304][ C1] ? hrtimer_interrupt+0x40c/0xaa0
[ 265.233252][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0
[ 265.239153][ C1] ? sysvec_apic_timer_interrupt+0x95/0xc0
[ 265.244795][ C1]
[ 265.247577][ C1]
[ 265.250349][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 265.256337][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40
[ 265.262413][ C1] ? kvm_wait+0x147/0x180
[ 265.266578][ C1] ? asm_common_interrupt+0x27/0x40
[ 265.271613][ C1] ? kvm_arch_para_hints+0x30/0x30
[ 265.276559][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40
[ 265.282638][ C1] __pv_queued_spin_lock_slowpath+0x6bc/0xc40
[ 265.288541][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310
[ 265.294786][ C1] ? __kmalloc+0x13a/0x270
[ 265.299039][ C1] ? kvmalloc_node+0x1f0/0x4d0
[ 265.303638][ C1] _raw_spin_lock_bh+0x139/0x1b0
[ 265.308414][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 265.313445][ C1] ? __kasan_check_read+0x11/0x20
[ 265.318308][ C1] get_dist_table+0x207/0x2e0
[ 265.322827][ C1] netem_change+0xa6a/0x20c0
[ 265.327246][ C1] ? __x64_sys_sendmsg+0x7b/0x90
[ 265.332020][ C1] ? do_syscall_64+0x3d/0xb0
[ 265.336452][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 265.342349][ C1] ? netem_destroy+0xc0/0xc0
[ 265.346778][ C1] ? hrtimer_init+0x30/0x160
[ 265.351201][ C1] netem_init+0x5b/0xb0
[ 265.355191][ C1] ? qdisc_peek_dequeued+0x230/0x230
[ 265.360313][ C1] qdisc_create+0x890/0x12e0
[ 265.364740][ C1] ? qdisc_notify+0x370/0x370
[ 265.369253][ C1] ? __nla_parse+0x43/0x60
[ 265.373507][ C1] tc_modify_qdisc+0x8b4/0x14b0
[ 265.378198][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0
[ 265.383922][ C1] ? wait_for_completion_killable_timeout+0x10/0x10
[ 265.390343][ C1] ? ns_capable+0x89/0xe0
[ 265.394507][ C1] ? netlink_net_capable+0x125/0x160
[ 265.399636][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0
[ 265.405359][ C1] rtnetlink_rcv_msg+0x951/0xc40
[ 265.410139][ C1] ? rtnetlink_bind+0x80/0x80
[ 265.414643][ C1] ? avc_denied+0x13f/0x1b0
[ 265.418988][ C1] ? avc_has_perm_noaudit+0x2dd/0x430
[ 265.424190][ C1] ? avc_denied+0x1b0/0x1b0
[ 265.428537][ C1] ? avc_has_perm+0x16f/0x260
[ 265.433043][ C1] ? ____kasan_kmalloc+0xed/0x110
[ 265.437906][ C1] ? avc_has_perm_noaudit+0x430/0x430
[ 265.443117][ C1] ? do_syscall_64+0x3d/0xb0
[ 265.447552][ C1] netlink_rcv_skb+0x1cf/0x410
[ 265.452139][ C1] ? rtnetlink_bind+0x80/0x80
[ 265.456654][ C1] ? netlink_ack+0xb10/0xb10
[ 265.461080][ C1] ? __netlink_lookup+0x37b/0x3a0
[ 265.465939][ C1] rtnetlink_rcv+0x1c/0x20
[ 265.470196][ C1] netlink_unicast+0x8df/0xac0
[ 265.474791][ C1] ? netlink_detachskb+0x90/0x90
[ 265.479577][ C1] ? security_netlink_send+0x7b/0xa0
[ 265.484684][ C1] netlink_sendmsg+0xa0a/0xd20
[ 265.489287][ C1] ? netlink_getsockopt+0x560/0x560
[ 265.494318][ C1] ? security_socket_sendmsg+0x82/0xb0
[ 265.499612][ C1] ? netlink_getsockopt+0x560/0x560
[ 265.504647][ C1] ____sys_sendmsg+0x59e/0x8f0
[ 265.509257][ C1] ? __sys_sendmsg_sock+0x40/0x40
[ 265.514106][ C1] ? import_iovec+0xe5/0x120
[ 265.518535][ C1] ___sys_sendmsg+0x252/0x2e0
[ 265.523049][ C1] ? __sys_sendmsg+0x260/0x260
[ 265.527645][ C1] ? finish_task_switch+0x167/0x7b0
[ 265.532681][ C1] ? __schedule+0xcc6/0x1580
[ 265.537113][ C1] ? __kasan_check_write+0x14/0x20
[ 265.542054][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0
[ 265.547002][ C1] ? __kasan_check_read+0x11/0x20
[ 265.551861][ C1] ? __fdget+0x179/0x240
[ 265.555943][ C1] __se_sys_sendmsg+0x19a/0x260
[ 265.560628][ C1] ? _raw_spin_unlock_irq+0x4e/0x70
[ 265.565661][ C1] ? __x64_sys_sendmsg+0x90/0x90
[ 265.570435][ C1] ? __kasan_check_read+0x11/0x20
[ 265.575295][ C1] __x64_sys_sendmsg+0x7b/0x90
[ 265.579894][ C1] do_syscall_64+0x3d/0xb0
[ 265.584146][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 265.589876][ C1] RIP: 0033:0x7f50237dacb9
[ 265.594131][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48
[ 265.613569][ C1] RSP: 002b:00007ffeddb79938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 265.621815][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f50237dacb9
[ 265.629626][ C1] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[ 265.637437][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 265.645250][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 265.653063][ C1] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 265.660874][ C1]