./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2570418818 <...> Warning: Permanently added '10.128.0.72' (ED25519) to the list of known hosts. execve("./syz-executor2570418818", ["./syz-executor2570418818"], 0x7ffe98195ee0 /* 10 vars */) = 0 brk(NULL) = 0x555556d3c000 brk(0x555556d3cd00) = 0x555556d3cd00 arch_prctl(ARCH_SET_FS, 0x555556d3c380) = 0 set_tid_address(0x555556d3c650) = 296 set_robust_list(0x555556d3c660, 24) = 0 rseq(0x555556d3cca0, 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-executor2570418818", 4096) = 28 getrandom("\x5d\xa9\xcd\x89\x3e\x40\x9b\x42", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556d3cd00 brk(0x555556d5dd00) = 0x555556d5dd00 brk(0x555556d5e000) = 0x555556d5e000 mprotect(0x7f1ddf8f0000, 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=0x555556d3c650) = 297 ./strace-static-x86_64: Process 297 attached [pid 297] set_robust_list(0x555556d3c660, 24) = 0 [pid 297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 297] setpgid(0, 0) = 0 [pid 297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 297] write(3, "1000", 4) = 4 [pid 297] close(3) = 0 [pid 297] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 297] socketpair(AF_UNIX, SOCK_STREAM, 0, [4, 5]) = 0 [pid 297] ioctl(5, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [ 23.948809][ T30] audit: type=1400 audit(1692011395.803:66): avc: denied { execmem } for pid=296 comm="syz-executor257" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 297] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\xa0\x00\x00\x00\x24\x00\x0b\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x60\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x00\x00\x00\x00\x0a\x00\x01\x00\x6e\x65\x74\x65\x6d\x00\x00\x00\x70\x00\x02\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x30\x00\x05\x80\x18\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=160}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 296] kill(-297, SIGKILL) = 0 [pid 296] kill(297, SIGKILL) = 0 [pid 296] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x555556d3d6f0 /* 2 entries */, 32768) = 48 [pid 296] getdents64(3, 0x555556d3d6f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [ 123.962720][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 123.969147][ C1] rcu: 1-....: (10000 ticks this GP) idle=aed/1/0x4000000000000000 softirq=2152/2152 fqs=4853 last_accelerate: 93d6/bae6 dyntick_enabled: 1 [ 123.983422][ C1] (t=10002 jiffies g=329 q=2491) [ 123.988277][ C1] NMI backtrace for cpu 1 [ 123.992446][ C1] CPU: 1 PID: 297 Comm: syz-executor257 Not tainted 5.15.122-syzkaller-00676-g1463976ddc64 #0 [ 124.002508][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 124.012404][ C1] Call Trace: [ 124.015529][ C1] [ 124.018225][ C1] dump_stack_lvl+0x151/0x1b7 [ 124.023278][ C1] ? io_uring_drop_tctx_refs+0x190/0x190 [ 124.028746][ C1] ? __wake_up_klogd+0xde/0x110 [ 124.033867][ C1] dump_stack+0x15/0x17 [ 124.037858][ C1] nmi_cpu_backtrace+0x2f7/0x300 [ 124.042633][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 124.048730][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 124.054012][ C1] ? vprintk+0x86/0x90 [ 124.057920][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 124.062607][ C1] ? _printk+0xd1/0x111 [ 124.066638][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 124.072501][ C1] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 124.078315][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 124.084220][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 124.090466][ C1] rcu_dump_cpu_stacks+0x1d8/0x330 [ 124.095521][ C1] rcu_sched_clock_irq+0xf97/0x18e0 [ 124.100536][ C1] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 124.106522][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 124.112252][ C1] update_process_times+0x198/0x200 [ 124.117285][ C1] tick_sched_timer+0x188/0x240 [ 124.121971][ C1] ? tick_setup_sched_timer+0x480/0x480 [ 124.127354][ C1] __hrtimer_run_queues+0x41a/0xad0 [ 124.132387][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 124.137339][ C1] ? clockevents_program_event+0x22f/0x300 [ 124.143059][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 124.148964][ C1] hrtimer_interrupt+0x40c/0xaa0 [ 124.153738][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 124.159988][ C1] sysvec_apic_timer_interrupt+0x95/0xc0 [ 124.165456][ C1] [ 124.168231][ C1] [ 124.171007][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 124.176829][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 124.181684][ 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 [ 124.201212][ C1] RSP: 0018:ffffc90000986b00 EFLAGS: 00000246 [ 124.207115][ C1] RAX: 0000000000000003 RBX: 1ffff92000130d64 RCX: ffffffff8154ce3f [ 124.215008][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888114d078ac [ 124.222823][ C1] RBP: ffffc90000986bb0 R08: dffffc0000000000 R09: ffffed10229a0f16 [ 124.230630][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 124.238531][ C1] R13: ffff888114d078ac R14: 0000000000000003 R15: 1ffff92000130d68 [ 124.246341][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 124.252433][ C1] ? asm_sysvec_call_function_single+0x1b/0x20 [ 124.258407][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 124.263365][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 124.269534][ C1] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 124.275425][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 124.281667][ C1] ? __kmalloc+0x13a/0x270 [ 124.285923][ C1] ? kvmalloc_node+0x1f0/0x4d0 [ 124.290529][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 124.295303][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 124.300329][ C1] ? __kasan_check_read+0x11/0x20 [ 124.305202][ C1] get_dist_table+0x207/0x2e0 [ 124.309701][ C1] netem_change+0xa6a/0x20c0 [ 124.314126][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 124.318899][ C1] ? do_syscall_64+0x3d/0xb0 [ 124.323330][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 124.329250][ C1] ? netem_destroy+0xc0/0xc0 [ 124.333667][ C1] ? hrtimer_init+0x30/0x160 [ 124.338086][ C1] netem_init+0x5b/0xb0 [ 124.342073][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 124.347195][ C1] qdisc_create+0x890/0x12e0 [ 124.351629][ C1] ? qdisc_notify+0x370/0x370 [ 124.356150][ C1] ? __nla_parse+0x43/0x60 [ 124.360385][ C1] tc_modify_qdisc+0x8b4/0x14b0 [ 124.365093][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 124.370809][ C1] ? wait_for_completion_killable_timeout+0x10/0x10 [ 124.377224][ C1] ? ns_capable+0x89/0xe0 [ 124.381403][ C1] ? netlink_net_capable+0x125/0x160 [ 124.386508][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 124.392240][ C1] rtnetlink_rcv_msg+0x951/0xc40 [ 124.397015][ C1] ? rtnetlink_bind+0x80/0x80 [ 124.401531][ C1] ? avc_denied+0x13f/0x1b0 [ 124.406040][ C1] ? avc_has_perm_noaudit+0x2dd/0x430 [ 124.411255][ C1] ? avc_denied+0x1b0/0x1b0 [ 124.415593][ C1] ? avc_has_perm+0x16f/0x260 [ 124.420100][ C1] ? ____kasan_kmalloc+0xed/0x110 [ 124.424964][ C1] ? avc_has_perm_noaudit+0x430/0x430 [ 124.430165][ C1] ? do_syscall_64+0x3d/0xb0 [ 124.434592][ C1] netlink_rcv_skb+0x1cf/0x410 [ 124.439190][ C1] ? rtnetlink_bind+0x80/0x80 [ 124.443716][ C1] ? netlink_ack+0xb10/0xb10 [ 124.448135][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 124.452994][ C1] rtnetlink_rcv+0x1c/0x20 [ 124.457256][ C1] netlink_unicast+0x8df/0xac0 [ 124.461847][ C1] ? netlink_detachskb+0x90/0x90 [ 124.466714][ C1] ? security_netlink_send+0x7b/0xa0 [ 124.471825][ C1] netlink_sendmsg+0xa0a/0xd20 [ 124.476427][ C1] ? netlink_getsockopt+0x560/0x560 [ 124.481462][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 124.486754][ C1] ? netlink_getsockopt+0x560/0x560 [ 124.491787][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 124.496388][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 124.501248][ C1] ? import_iovec+0xe5/0x120 [ 124.505677][ C1] ___sys_sendmsg+0x252/0x2e0 [ 124.510188][ C1] ? __sys_sendmsg+0x260/0x260 [ 124.514786][ C1] ? finish_task_switch+0x167/0x7b0 [ 124.519820][ C1] ? __schedule+0xcc6/0x1580 [ 124.524275][ C1] ? __kasan_check_write+0x14/0x20 [ 124.529202][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 124.534143][ C1] ? __kasan_check_read+0x11/0x20 [ 124.539001][ C1] ? __fdget+0x179/0x240 [ 124.543079][ C1] __se_sys_sendmsg+0x19a/0x260 [ 124.547766][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 124.552800][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 124.557577][ C1] ? __kasan_check_read+0x11/0x20 [ 124.562437][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 124.567037][ C1] do_syscall_64+0x3d/0xb0 [ 124.571286][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 124.577018][ C1] RIP: 0033:0x7f1ddf87ccb9 [ 124.581286][ 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 [ 124.600710][ C1] RSP: 002b:00007ffd9a11d838 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 124.608957][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1ddf87ccb9 [ 124.616765][ C1] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 124.624578][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 124.632387][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 124.640202][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 124.648012][ C1] [ 265.136520][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 225s! [syz-executor257:297] [ 265.144933][ C1] Modules linked in: [ 265.148658][ C1] CPU: 1 PID: 297 Comm: syz-executor257 Not tainted 5.15.122-syzkaller-00676-g1463976ddc64 #0 [ 265.158729][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 265.168617][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 265.173394][ 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 [ 265.193444][ C1] RSP: 0018:ffffc90000986b00 EFLAGS: 00000246 [ 265.199347][ C1] RAX: 0000000000000003 RBX: 1ffff92000130d64 RCX: ffffffff8154ce3f [ 265.207157][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888114d078ac [ 265.214967][ C1] RBP: ffffc90000986bb0 R08: dffffc0000000000 R09: ffffed10229a0f16 [ 265.222777][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.230584][ C1] R13: ffff888114d078ac R14: 0000000000000003 R15: 1ffff92000130d68 [ 265.238407][ C1] FS: 0000555556d3c380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 265.247172][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.253591][ C1] CR2: 0000000000458e30 CR3: 000000011deaf000 CR4: 00000000003506a0 [ 265.261402][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.269208][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.277021][ C1] Call Trace: [ 265.280144][ C1] [ 265.282838][ C1] ? show_regs+0x58/0x60 [ 265.286914][ C1] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.291860][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.296983][ C1] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.302191][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.307265][ C1] ? clockevents_program_event+0x22f/0x300 [ 265.312900][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.318802][ C1] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.323750][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.329649][ C1] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.335291][ C1] [ 265.338066][ C1] [ 265.340843][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.346831][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.352909][ C1] ? kvm_wait+0x147/0x180 [ 265.357073][ C1] ? asm_sysvec_call_function_single+0x1b/0x20 [ 265.363063][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 265.368011][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.374085][ C1] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 265.379993][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.386248][ C1] ? __kmalloc+0x13a/0x270 [ 265.390488][ C1] ? kvmalloc_node+0x1f0/0x4d0 [ 265.395088][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 265.399862][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.404896][ C1] ? __kasan_check_read+0x11/0x20 [ 265.409757][ C1] get_dist_table+0x207/0x2e0 [ 265.414270][ C1] netem_change+0xa6a/0x20c0 [ 265.418694][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.423470][ C1] ? do_syscall_64+0x3d/0xb0 [ 265.427894][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.433801][ C1] ? netem_destroy+0xc0/0xc0 [ 265.438229][ C1] ? hrtimer_init+0x30/0x160 [ 265.442651][ C1] netem_init+0x5b/0xb0 [ 265.446640][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 265.451763][ C1] qdisc_create+0x890/0x12e0 [ 265.456191][ C1] ? qdisc_notify+0x370/0x370 [ 265.460702][ C1] ? __nla_parse+0x43/0x60 [ 265.464955][ C1] tc_modify_qdisc+0x8b4/0x14b0 [ 265.469642][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.475370][ C1] ? wait_for_completion_killable_timeout+0x10/0x10 [ 265.481794][ C1] ? ns_capable+0x89/0xe0 [ 265.485958][ C1] ? netlink_net_capable+0x125/0x160 [ 265.491079][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.496810][ C1] rtnetlink_rcv_msg+0x951/0xc40 [ 265.501582][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.506095][ C1] ? avc_denied+0x13f/0x1b0 [ 265.510435][ C1] ? avc_has_perm_noaudit+0x2dd/0x430 [ 265.515643][ C1] ? avc_denied+0x1b0/0x1b0 [ 265.519995][ C1] ? avc_has_perm+0x16f/0x260 [ 265.524503][ C1] ? ____kasan_kmalloc+0xed/0x110 [ 265.529358][ C1] ? avc_has_perm_noaudit+0x430/0x430 [ 265.534563][ C1] ? do_syscall_64+0x3d/0xb0 [ 265.538992][ C1] netlink_rcv_skb+0x1cf/0x410 [ 265.543588][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.548102][ C1] ? netlink_ack+0xb10/0xb10 [ 265.552533][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 265.557387][ C1] rtnetlink_rcv+0x1c/0x20 [ 265.561640][ C1] netlink_unicast+0x8df/0xac0 [ 265.566242][ C1] ? netlink_detachskb+0x90/0x90 [ 265.571014][ C1] ? security_netlink_send+0x7b/0xa0 [ 265.576135][ C1] netlink_sendmsg+0xa0a/0xd20 [ 265.580735][ C1] ? netlink_getsockopt+0x560/0x560 [ 265.585771][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 265.591062][ C1] ? netlink_getsockopt+0x560/0x560 [ 265.596097][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 265.600698][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 265.605558][ C1] ? import_iovec+0xe5/0x120 [ 265.609985][ C1] ___sys_sendmsg+0x252/0x2e0 [ 265.614507][ C1] ? __sys_sendmsg+0x260/0x260 [ 265.619095][ C1] ? finish_task_switch+0x167/0x7b0 [ 265.624131][ C1] ? __schedule+0xcc6/0x1580 [ 265.628557][ C1] ? __kasan_check_write+0x14/0x20 [ 265.633503][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.638452][ C1] ? __kasan_check_read+0x11/0x20 [ 265.643318][ C1] ? __fdget+0x179/0x240 [ 265.647390][ C1] __se_sys_sendmsg+0x19a/0x260 [ 265.652078][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.657113][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 265.661886][ C1] ? __kasan_check_read+0x11/0x20 [ 265.666746][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 265.671346][ C1] do_syscall_64+0x3d/0xb0 [ 265.675596][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.681327][ C1] RIP: 0033:0x7f1ddf87ccb9 [ 265.685581][ 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 [ 265.705112][ C1] RSP: 002b:00007ffd9a11d838 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.713351][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1ddf87ccb9 [ 265.721163][ C1] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 265.728972][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 265.736789][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.744598][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 265.752423][ C1]