./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor759508819
<...>
Warning: Permanently added '10.128.1.165' (ED25519) to the list of known hosts.
execve("./syz-executor759508819", ["./syz-executor759508819"], 0x7fff673847d0 /* 10 vars */) = 0
brk(NULL)                               = 0x55555559d000
brk(0x55555559dd00)                     = 0x55555559dd00
arch_prctl(ARCH_SET_FS, 0x55555559d380) = 0
set_tid_address(0x55555559d650)         = 293
set_robust_list(0x55555559d660, 24)     = 0
rseq(0x55555559dca0, 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-executor759508819", 4096) = 27
getrandom("\x6a\x67\x13\x2b\x92\x55\x2c\x1a", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55555559dd00
brk(0x5555555bed00)                     = 0x5555555bed00
brk(0x5555555bf000)                     = 0x5555555bf000
mprotect(0x7f6c5c33f000, 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=0x55555559d650) = 294
./strace-static-x86_64: Process 294 attached
[pid   294] set_robust_list(0x55555559d660, 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_SEQPACKET, 0, [4, 5]) = 0
[pid   294] ioctl(5, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0
[   19.447468][   T28] audit: type=1400 audit(1699870659.865:66): avc:  denied  { execmem } for  pid=293 comm="syz-executor759" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[  119.448145][    C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[  119.455001][    C1] 	(detected by 1, t=10002 jiffies, g=317, q=2357 ncpus=2)
[  119.462115][    C1] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294949161-4294939158), jiffies_till_next_fqs=1, root ->qsmask 0x0
[  119.475457][    C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g317 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  119.486570][    C1] rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[  119.496756][    C1] rcu: RCU grace-period kthread stack dump:
[  119.502749][    C1] task:rcu_preempt     state:R  running task     stack:28248 pid:14    ppid:2      flags:0x00004000
[  119.513702][    C1] Call Trace:
[  119.516805][    C1]  
[  119.519583][    C1]  __schedule+0xc99/0x1540
[  119.524070][    C1]  ? xfd_validate_state+0x6f/0x170
[  119.529018][    C1]  ? __sched_text_start+0x8/0x8
[  119.533796][    C1]  ? __kasan_check_write+0x14/0x20
[  119.538737][    C1]  schedule+0xc3/0x180
[  119.542638][    C1]  schedule_timeout+0x18c/0x380
[  119.547469][    C1]  ? _raw_spin_unlock_irq+0x4d/0x70
[  119.552495][    C1]  ? console_conditional_schedule+0x10/0x10
[  119.558335][    C1]  ? update_process_times+0x1b0/0x1b0
[  119.563666][    C1]  ? prepare_to_swait_event+0x308/0x320
[  119.569043][    C1]  rcu_gp_fqs_loop+0x2dd/0xf40
[  119.573734][    C1]  ? _raw_spin_unlock_irq+0x4d/0x70
[  119.578767][    C1]  ? rcu_gp_init+0xc75/0xf70
[  119.583295][    C1]  ? rcu_gp_init+0xf70/0xf70
[  119.587745][    C1]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[  119.593358][    C1]  ? finish_swait+0x17d/0x1b0
[  119.597931][    C1]  rcu_gp_kthread+0xa3/0x390
[  119.602378][    C1]  ? queued_spin_lock_slowpath+0x50/0x50
[  119.608213][    C1]  ? set_cpus_allowed_ptr+0xa4/0xe0
[  119.613423][    C1]  ? __kasan_check_read+0x11/0x20
[  119.618276][    C1]  ? __kthread_parkme+0x12d/0x180
[  119.623147][    C1]  kthread+0x26d/0x300
[  119.627043][    C1]  ? queued_spin_lock_slowpath+0x50/0x50
[  119.632525][    C1]  ? kthread_blkcg+0xd0/0xd0
[  119.636939][    C1]  ret_from_fork+0x1f/0x30
[  119.641279][    C1]  
[  119.644293][    C1] rcu: Stack dump where RCU GP kthread last ran:
[  119.650453][    C1] CPU: 1 PID: 294 Comm: syz-executor759 Not tainted 6.1.43-syzkaller-00006-g48c6c901fe0e #0
[  119.660508][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  119.670487][    C1] RIP: 0010:kvm_wait+0x147/0x180
[  119.675265][    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 ab 18 11 04 fb f4  24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c
[  119.694931][    C1] RSP: 0018:ffffc90000e66be0 EFLAGS: 00000246
[  119.701000][    C1] RAX: 0000000000000003 RBX: 1ffff920001ccd80 RCX: ffffffff84fbfc6c
[  119.708848][    C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888116d5ecac
[  119.716840][    C1] RBP: ffffc90000e66c90 R08: dffffc0000000000 R09: ffffed1022dabd96
[  119.724642][    C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[  119.732457][    C1] R13: ffff888116d5ecac R14: 0000000000000003 R15: 1ffff920001ccd84
[  119.740265][    C1] FS:  000055555559d380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[  119.749063][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.755630][    C1] CR2: 0000000000458e30 CR3: 000000012161d000 CR4: 00000000003506a0
[  119.763530][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  119.771342][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  119.779409][    C1] Call Trace:
[  119.782537][    C1]  
[  119.785225][    C1]  ? show_regs+0x58/0x60
[  119.789391][    C1]  ? dump_cpu_task+0x3c/0x70
[  119.793917][    C1]  ? rcu_check_gp_kthread_starvation+0x1d1/0x240
[  119.800064][    C1]  ? _find_next_bit+0x126/0x130
[  119.804838][    C1]  ? print_other_cpu_stall+0x1140/0x1300
[  119.810320][    C1]  ? rcu_stall_kick_kthreads+0x240/0x240
[  119.815773][    C1]  ? acct_account_cputime+0xf7/0x2c0
[  119.820897][    C1]  ? rcu_sched_clock_irq+0x88c/0x1970
[  119.826113][    C1]  ? rcu_boost_kthread_setaffinity+0x5a0/0x5a0
[  119.832092][    C1]  ? hrtimer_run_queues+0x15f/0x440
[  119.837129][    C1]  ? tick_setup_sched_timer+0x490/0x490
[  119.842504][    C1]  ? update_process_times+0x149/0x1b0
[  119.847712][    C1]  ? tick_sched_timer+0x188/0x240
[  119.852574][    C1]  ? tick_setup_sched_timer+0x490/0x490
[  119.857954][    C1]  ? __hrtimer_run_queues+0x41a/0xad0
[  119.863164][    C1]  ? hrtimer_interrupt+0xaa0/0xaa0
[  119.868111][    C1]  ? clockevents_program_event+0x22f/0x300
[  119.873840][    C1]  ? ktime_get_update_offsets_now+0x2ba/0x2d0
[  119.879738][    C1]  ? hrtimer_interrupt+0x40c/0xaa0
[  119.884688][    C1]  ? __sysvec_apic_timer_interrupt+0xfd/0x3c0
[  119.890588][    C1]  ? sysvec_apic_timer_interrupt+0x95/0xc0
[  119.896382][    C1]  
[  119.899139][    C1]  
[  119.901899][    C1]  ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[  119.907977][    C1]  ? __pv_queued_spin_lock_slowpath+0x67c/0xda0
[  119.914053][    C1]  ? kvm_wait+0x147/0x180
[  119.918215][    C1]  ? asm_common_interrupt+0x27/0x40
[  119.923248][    C1]  ? kvm_arch_para_hints+0x30/0x30
[  119.928204][    C1]  ? __pv_queued_spin_lock_slowpath+0x67c/0xda0
[  119.934272][    C1]  __pv_queued_spin_lock_slowpath+0x6de/0xda0
[  119.940176][    C1]  ? __pv_queued_spin_unlock_slowpath+0x310/0x310
[  119.946423][    C1]  _raw_spin_lock_bh+0x139/0x1b0
[  119.951200][    C1]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  119.956246][    C1]  ? __kasan_check_read+0x11/0x20
[  119.961126][    C1]  get_dist_table+0x215/0x2e0
[  119.965691][    C1]  netem_change+0xa51/0x20b0
[  119.970120][    C1]  ? __stack_depot_save+0x419/0x480
[  119.975153][    C1]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[  119.980880][    C1]  ? netem_destroy+0xc0/0xc0
[  119.985478][    C1]  ? ref_tracker_alloc+0x2b1/0x450
[  119.990517][    C1]  ? ref_tracker_dir_print+0x160/0x160
[  119.995809][    C1]  ? qdisc_alloc+0x588/0x780
[  120.000361][    C1]  ? qdisc_create+0x185/0x1160
[  120.005217][    C1]  ? tc_modify_qdisc+0x8d0/0x19c0
[  120.010412][    C1]  ? rtnetlink_rcv_msg+0x9a5/0xca0
[  120.015701][    C1]  ? hrtimer_init+0x30/0x160
[  120.020155][    C1]  netem_init+0x5b/0xb0
[  120.024112][    C1]  ? qdisc_peek_dequeued+0x230/0x230
[  120.029484][    C1]  qdisc_create+0x889/0x1160
[  120.033898][    C1]  ? qdisc_notify+0x380/0x380
[  120.038490][    C1]  tc_modify_qdisc+0x8d0/0x19c0
[  120.043491][    C1]  ? qdisc_offload_query_caps+0x170/0x170
[  120.049169][    C1]  ? security_capable+0x87/0xb0
[  120.053907][    C1]  ? bit_wait_io_timeout+0x120/0x120
[  120.059113][    C1]  ? ns_capable+0x89/0xe0
[  120.066038][    C1]  ? try_module_get+0x12a/0x290
[  120.070868][    C1]  ? qdisc_offload_query_caps+0x170/0x170
[  120.077495][    C1]  rtnetlink_rcv_msg+0x9a5/0xca0
[  120.082657][    C1]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[  120.088906][    C1]  ? rtnetlink_bind+0x80/0x80
[  120.093518][    C1]  ? avc_denied+0x13f/0x1b0
[  120.097846][    C1]  ? avc_has_perm_noaudit+0x2dd/0x430
[  120.103052][    C1]  ? avc_denied+0x1b0/0x1b0
[  120.107393][    C1]  ? avc_has_perm+0x16f/0x260
[  120.111916][    C1]  ? __alloc_skb+0x10f/0x2e0
[  120.116373][    C1]  ? netlink_sendmsg+0x7a6/0xd30
[  120.121105][    C1]  ? avc_has_perm_noaudit+0x430/0x430
[  120.126403][    C1]  netlink_rcv_skb+0x1cd/0x410
[  120.131290][    C1]  ? rtnetlink_bind+0x80/0x80
[  120.135790][    C1]  ? netlink_ack+0xe60/0xe60
[  120.140337][    C1]  ? __netlink_lookup+0x37b/0x3a0
[  120.145757][    C1]  rtnetlink_rcv+0x1c/0x20
[  120.150363][    C1]  netlink_unicast+0x8ee/0xad0
[  120.155325][    C1]  ? netlink_detachskb+0x90/0x90
[  120.160264][    C1]  ? security_netlink_send+0x7b/0xa0
[  120.165397][    C1]  netlink_sendmsg+0xa15/0xd30
[  120.170518][    C1]  ? netlink_getsockopt+0x560/0x560
[  120.175634][    C1]  ? security_socket_sendmsg+0x82/0xb0
[  120.181098][    C1]  ? netlink_getsockopt+0x560/0x560
[  120.186839][    C1]  ____sys_sendmsg+0x5dc/0x9d0
[  120.191690][    C1]  ? __sys_sendmsg_sock+0x40/0x40
[  120.196871][    C1]  __sys_sendmsg+0x2a9/0x390
[  120.201386][    C1]  ? ____sys_sendmsg+0x9d0/0x9d0
[  120.206142][    C1]  ? memset+0x35/0x40
[  120.210144][    C1]  ? ptrace_notify+0x249/0x350
[  120.214742][    C1]  ? __kasan_check_write+0x14/0x20
[  120.219978][    C1]  ? fpregs_restore_userregs+0x130/0x290
[  120.225465][    C1]  __x64_sys_sendmsg+0x7f/0x90
[  120.230425][    C1]  do_syscall_64+0x3d/0xb0
[  120.240233][    C1]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  120.247724][    C1] RIP: 0033:0x7f6c5c2ccbf9
[  120.252198][    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
[  120.272168][    C1] RSP: 002b:00007ffe62990948 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  120.280513][    C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6c5c2ccbf9
[  120.288545][    C1] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003
[  120.296355][    C1] RBP: 0000000000003a28 R08: 0000000000000000 R09: 0000000000000006
[  120.304163][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  120.311977][    C1] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  120.319890][    C1]  
[  265.070715][    C1] watchdog: BUG: soft lockup - CPU#1 stuck for 245s! [syz-executor759:294]
[  265.079598][    C1] Modules linked in:
[  265.083274][    C1] CPU: 1 PID: 294 Comm: syz-executor759 Not tainted 6.1.43-syzkaller-00006-g48c6c901fe0e #0
[  265.093166][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  265.103068][    C1] RIP: 0010:kvm_wait+0x147/0x180
[  265.107833][    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 ab 18 11 04 fb f4  24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c
[  265.127804][    C1] RSP: 0018:ffffc90000e66be0 EFLAGS: 00000246
[  265.133787][    C1] RAX: 0000000000000003 RBX: 1ffff920001ccd80 RCX: ffffffff84fbfc6c
[  265.141867][    C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888116d5ecac
[  265.149666][    C1] RBP: ffffc90000e66c90 R08: dffffc0000000000 R09: ffffed1022dabd96
[  265.157565][    C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[  265.165375][    C1] R13: ffff888116d5ecac R14: 0000000000000003 R15: 1ffff920001ccd84
[  265.173189][    C1] FS:  000055555559d380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[  265.181955][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  265.188415][    C1] CR2: 0000000000458e30 CR3: 000000012161d000 CR4: 00000000003506a0
[  265.196506][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  265.204307][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  265.212114][    C1] Call Trace:
[  265.215240][    C1]  
[  265.217931][    C1]  ? show_regs+0x58/0x60
[  265.222107][    C1]  ? watchdog_timer_fn+0x4b1/0x5f0
[  265.227054][    C1]  ? proc_watchdog_cpumask+0xf0/0xf0
[  265.232175][    C1]  ? __hrtimer_run_queues+0x41a/0xad0
[  265.237388][    C1]  ? hrtimer_interrupt+0xaa0/0xaa0
[  265.242333][    C1]  ? clockevents_program_event+0x22f/0x300
[  265.248091][    C1]  ? ktime_get_update_offsets_now+0x2ba/0x2d0
[  265.254161][    C1]  ? hrtimer_interrupt+0x40c/0xaa0
[  265.259105][    C1]  ? __sysvec_apic_timer_interrupt+0xfd/0x3c0
[  265.265005][    C1]  ? sysvec_apic_timer_interrupt+0x95/0xc0
[  265.270645][    C1]  
[  265.273427][    C1]  
[  265.276201][    C1]  ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[  265.282451][    C1]  ? __pv_queued_spin_lock_slowpath+0x67c/0xda0
[  265.288512][    C1]  ? kvm_wait+0x147/0x180
[  265.292684][    C1]  ? asm_common_interrupt+0x27/0x40
[  265.297716][    C1]  ? kvm_arch_para_hints+0x30/0x30
[  265.302818][    C1]  ? __pv_queued_spin_lock_slowpath+0x67c/0xda0
[  265.308820][    C1]  __pv_queued_spin_lock_slowpath+0x6de/0xda0
[  265.314813][    C1]  ? __pv_queued_spin_unlock_slowpath+0x310/0x310
[  265.321057][    C1]  _raw_spin_lock_bh+0x139/0x1b0
[  265.325843][    C1]  ? _raw_spin_lock_irq+0x1b0/0x1b0
[  265.331038][    C1]  ? __kasan_check_read+0x11/0x20
[  265.335949][    C1]  get_dist_table+0x215/0x2e0
[  265.340489][    C1]  netem_change+0xa51/0x20b0
[  265.344838][    C1]  ? __stack_depot_save+0x419/0x480
[  265.349872][    C1]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[  265.355526][    C1]  ? netem_destroy+0xc0/0xc0
[  265.360027][    C1]  ? ref_tracker_alloc+0x2b1/0x450
[  265.365061][    C1]  ? ref_tracker_dir_print+0x160/0x160
[  265.370448][    C1]  ? qdisc_alloc+0x588/0x780
[  265.374864][    C1]  ? qdisc_create+0x185/0x1160
[  265.379555][    C1]  ? tc_modify_qdisc+0x8d0/0x19c0
[  265.384916][    C1]  ? rtnetlink_rcv_msg+0x9a5/0xca0
[  265.389949][    C1]  ? hrtimer_init+0x30/0x160
[  265.394371][    C1]  netem_init+0x5b/0xb0
[  265.398448][    C1]  ? qdisc_peek_dequeued+0x230/0x230
[  265.403580][    C1]  qdisc_create+0x889/0x1160
[  265.407997][    C1]  ? qdisc_notify+0x380/0x380
[  265.412516][    C1]  tc_modify_qdisc+0x8d0/0x19c0
[  265.417199][    C1]  ? qdisc_offload_query_caps+0x170/0x170
[  265.422755][    C1]  ? security_capable+0x87/0xb0
[  265.427441][    C1]  ? bit_wait_io_timeout+0x120/0x120
[  265.432578][    C1]  ? ns_capable+0x89/0xe0
[  265.436727][    C1]  ? try_module_get+0x12a/0x290
[  265.441410][    C1]  ? qdisc_offload_query_caps+0x170/0x170
[  265.446966][    C1]  rtnetlink_rcv_msg+0x9a5/0xca0
[  265.451743][    C1]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[  265.457383][    C1]  ? rtnetlink_bind+0x80/0x80
[  265.461896][    C1]  ? avc_denied+0x13f/0x1b0
[  265.466235][    C1]  ? avc_has_perm_noaudit+0x2dd/0x430
[  265.471440][    C1]  ? avc_denied+0x1b0/0x1b0
[  265.475781][    C1]  ? avc_has_perm+0x16f/0x260
[  265.480333][    C1]  ? __alloc_skb+0x10f/0x2e0
[  265.484721][    C1]  ? netlink_sendmsg+0x7a6/0xd30
[  265.489545][    C1]  ? avc_has_perm_noaudit+0x430/0x430
[  265.494700][    C1]  netlink_rcv_skb+0x1cd/0x410
[  265.499301][    C1]  ? rtnetlink_bind+0x80/0x80
[  265.503814][    C1]  ? netlink_ack+0xe60/0xe60
[  265.508243][    C1]  ? __netlink_lookup+0x37b/0x3a0
[  265.513101][    C1]  rtnetlink_rcv+0x1c/0x20
[  265.517353][    C1]  netlink_unicast+0x8ee/0xad0
[  265.522041][    C1]  ? netlink_detachskb+0x90/0x90
[  265.526814][    C1]  ? security_netlink_send+0x7b/0xa0
[  265.531936][    C1]  netlink_sendmsg+0xa15/0xd30
[  265.536535][    C1]  ? netlink_getsockopt+0x560/0x560
[  265.541571][    C1]  ? security_socket_sendmsg+0x82/0xb0
[  265.546928][    C1]  ? netlink_getsockopt+0x560/0x560
[  265.551902][    C1]  ____sys_sendmsg+0x5dc/0x9d0
[  265.556499][    C1]  ? __sys_sendmsg_sock+0x40/0x40
[  265.561375][    C1]  __sys_sendmsg+0x2a9/0x390
[  265.565787][    C1]  ? ____sys_sendmsg+0x9d0/0x9d0
[  265.570568][    C1]  ? memset+0x35/0x40
[  265.574475][    C1]  ? ptrace_notify+0x249/0x350
[  265.579102][    C1]  ? __kasan_check_write+0x14/0x20
[  265.584016][    C1]  ? fpregs_restore_userregs+0x130/0x290
[  265.589500][    C1]  __x64_sys_sendmsg+0x7f/0x90
[  265.594099][    C1]  do_syscall_64+0x3d/0xb0
[  265.598423][    C1]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  265.604151][    C1] RIP: 0033:0x7f6c5c2ccbf9
[  265.608417][    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
[  265.627938][    C1] RSP: 002b:00007ffe62990948 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  265.636178][    C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6c5c2ccbf9
[  265.644115][    C1] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003
[  265.651924][    C1] RBP: 0000000000003a28 R08: 0000000000000000 R09: 0000000000000006
[  265.659994][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  265.667885][    C1] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  265.675700][    C1]