./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2068409757 <...> Warning: Permanently added '10.128.1.122' (ED25519) to the list of known hosts. execve("./syz-executor2068409757", ["./syz-executor2068409757"], 0x7ffca4960b90 /* 10 vars */) = 0 brk(NULL) = 0x555555905000 brk(0x555555905d00) = 0x555555905d00 arch_prctl(ARCH_SET_FS, 0x555555905380) = 0 set_tid_address(0x555555905650) = 293 set_robust_list(0x555555905660, 24) = 0 rseq(0x555555905ca0, 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-executor2068409757", 4096) = 28 getrandom("\x4f\x6a\xc5\x67\x51\x45\x24\xa8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555905d00 brk(0x555555926d00) = 0x555555926d00 brk(0x555555927000) = 0x555555927000 mprotect(0x7f4fb4bd8000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555905650) = 294 ./strace-static-x86_64: Process 294 attached [pid 294] set_robust_list(0x555555905660, 24) = 0 [pid 294] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 294] setsid() = 1 [pid 294] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 294] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 294] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 294] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 294] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 294] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 294] unshare(CLONE_NEWNS) = 0 [pid 294] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 294] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 294] unshare(CLONE_NEWCGROUP) = 0 [pid 294] unshare(CLONE_NEWUTS) = 0 [pid 294] unshare(CLONE_SYSVSEM) = 0 [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] getpid() = 1 [pid 294] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 294] kill(-2, SIGKILL) = 0 [pid 294] kill(2, SIGKILL) = 0 [pid 294] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 294] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 294] getdents64(3, 0x5555559066f0 /* 2 entries */, 32768) = 48 [pid 294] getdents64(3, 0x5555559066f0 /* 0 entries */, 32768) = 0 [pid 294] close(3) = 0 [ 122.178505][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 122.185024][ C1] rcu: 1-....: (1 GPs behind) idle=cc7/1/0x4000000000000000 softirq=2086/2087 fqs=4931 last_accelerate: 932b/ba3d dyntick_enabled: 1 [ 122.198561][ C1] (t=10000 jiffies g=481 q=2424) [ 122.203417][ C1] NMI backtrace for cpu 1 [ 122.207581][ C1] CPU: 1 PID: 295 Comm: syz-executor206 Not tainted 5.15.122-syzkaller-00676-g1463976ddc64 #0 [ 122.217645][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 122.227543][ C1] Call Trace: [ 122.230676][ C1] [ 122.233358][ C1] dump_stack_lvl+0x151/0x1b7 [ 122.237872][ C1] ? io_uring_drop_tctx_refs+0x190/0x190 [ 122.243337][ C1] ? __wake_up_klogd+0xde/0x110 [ 122.248080][ C1] dump_stack+0x15/0x17 [ 122.252022][ C1] nmi_cpu_backtrace+0x2f7/0x300 [ 122.256792][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 122.262865][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 122.268164][ C1] ? vprintk+0x86/0x90 [ 122.272067][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 122.276752][ C1] ? _printk+0xd1/0x111 [ 122.280750][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 122.286647][ C1] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 122.292465][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 122.298453][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 122.304180][ C1] rcu_dump_cpu_stacks+0x1d8/0x330 [ 122.309128][ C1] rcu_sched_clock_irq+0xf97/0x18e0 [ 122.314162][ C1] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 122.320151][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 122.325183][ C1] update_process_times+0x198/0x200 [ 122.330221][ C1] tick_sched_timer+0x188/0x240 [ 122.334934][ C1] ? tick_setup_sched_timer+0x480/0x480 [ 122.340295][ C1] __hrtimer_run_queues+0x41a/0xad0 [ 122.345323][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 122.350267][ C1] ? clockevents_program_event+0x22f/0x300 [ 122.355908][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 122.361811][ C1] hrtimer_interrupt+0x40c/0xaa0 [ 122.366593][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 122.372315][ C1] sysvec_apic_timer_interrupt+0x95/0xc0 [ 122.377785][ C1] [ 122.380702][ C1] [ 122.383476][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 122.389386][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 122.394160][ 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 [ 122.413610][ C1] RSP: 0018:ffffc900009f6b00 EFLAGS: 00000246 [ 122.419498][ C1] RAX: 0000000000000003 RBX: 1ffff9200013ed64 RCX: ffffffff8154ce3f [ 122.427307][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3c1ec [ 122.435121][ C1] RBP: ffffc900009f6bb0 R08: dffffc0000000000 R09: fffffbfff0de783e [ 122.442930][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 122.450743][ C1] R13: ffffffff86f3c1ec R14: 0000000000000003 R15: 1ffff9200013ed68 [ 122.458566][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 122.464628][ C1] ? asm_sysvec_call_function_single+0x1b/0x20 [ 122.470620][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 122.475565][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 122.481642][ C1] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 122.487547][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 122.493793][ C1] ? __kmalloc+0x13a/0x270 [ 122.498044][ C1] ? kvmalloc_node+0x1f0/0x4d0 [ 122.502827][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 122.507583][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 122.512795][ C1] ? __kasan_check_read+0x11/0x20 [ 122.517652][ C1] get_dist_table+0x207/0x2e0 [ 122.522162][ C1] netem_change+0xa05/0x20c0 [ 122.526598][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 122.531363][ C1] ? do_syscall_64+0x3d/0xb0 [ 122.535790][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 122.541694][ C1] ? netem_destroy+0xc0/0xc0 [ 122.546123][ C1] ? hrtimer_init+0x30/0x160 [ 122.550557][ C1] netem_init+0x5b/0xb0 [ 122.554546][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 122.559663][ C1] qdisc_create+0x890/0x12e0 [ 122.564084][ C1] ? qdisc_notify+0x370/0x370 [ 122.568616][ C1] ? __nla_parse+0x43/0x60 [ 122.572850][ C1] tc_modify_qdisc+0x8b4/0x14b0 [ 122.577538][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 122.583268][ C1] ? wait_for_completion_killable_timeout+0x10/0x10 [ 122.589701][ C1] ? ns_capable+0x89/0xe0 [ 122.593867][ C1] ? netlink_net_capable+0x125/0x160 [ 122.598975][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 122.604700][ C1] rtnetlink_rcv_msg+0x951/0xc40 [ 122.609475][ C1] ? rtnetlink_bind+0x80/0x80 [ 122.613986][ C1] ? avc_denied+0x13f/0x1b0 [ 122.618328][ C1] ? avc_has_perm_noaudit+0x2dd/0x430 [ 122.623539][ C1] ? avc_denied+0x1b0/0x1b0 [ 122.627880][ C1] ? avc_has_perm+0x16f/0x260 [ 122.632387][ C1] ? ____kasan_kmalloc+0xed/0x110 [ 122.637248][ C1] ? avc_has_perm_noaudit+0x430/0x430 [ 122.642542][ C1] ? do_syscall_64+0x3d/0xb0 [ 122.646971][ C1] netlink_rcv_skb+0x1cf/0x410 [ 122.651586][ C1] ? rtnetlink_bind+0x80/0x80 [ 122.656173][ C1] ? netlink_ack+0xb10/0xb10 [ 122.660596][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 122.665466][ C1] rtnetlink_rcv+0x1c/0x20 [ 122.669720][ C1] netlink_unicast+0x8df/0xac0 [ 122.674309][ C1] ? netlink_detachskb+0x90/0x90 [ 122.679081][ C1] ? security_netlink_send+0x7b/0xa0 [ 122.684203][ C1] netlink_sendmsg+0xa0a/0xd20 [ 122.688805][ C1] ? netlink_getsockopt+0x560/0x560 [ 122.693837][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 122.699129][ C1] ? netlink_getsockopt+0x560/0x560 [ 122.704175][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 122.708765][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 122.713624][ C1] ? import_iovec+0xe5/0x120 [ 122.718054][ C1] ___sys_sendmsg+0x252/0x2e0 [ 122.722575][ C1] ? __sys_sendmsg+0x260/0x260 [ 122.727179][ C1] ? finish_task_switch+0x167/0x7b0 [ 122.732208][ C1] ? __schedule+0xcc6/0x1580 [ 122.736634][ C1] ? __kasan_check_write+0x14/0x20 [ 122.741582][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 122.746524][ C1] ? __kasan_check_read+0x11/0x20 [ 122.751383][ C1] ? __fdget+0x179/0x240 [ 122.755473][ C1] __se_sys_sendmsg+0x19a/0x260 [ 122.760150][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 122.765181][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 122.769961][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 122.774643][ C1] do_syscall_64+0x3d/0xb0 [ 122.778893][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 122.784622][ C1] RIP: 0033:0x7f4fb4b64f49 [ 122.788878][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 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 [ 122.808319][ C1] RSP: 002b:00007fffe6ed59a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 122.816560][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4fb4b64f49 [ 122.824386][ C1] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 122.832182][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000555555906610 [ 122.839994][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4fb4bd85f0 [ 122.847804][ C1] R13: 00007fffe6ed5be8 R14: 00007fffe6ed59d0 R15: 00007fffe6ed59c0 [ 122.855622][ C1] [ 265.045347][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 246s! [syz-executor206:295] [ 265.054117][ C1] Modules linked in: [ 265.057839][ C1] CPU: 1 PID: 295 Comm: syz-executor206 Not tainted 5.15.122-syzkaller-00676-g1463976ddc64 #0 [ 265.067906][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 265.077803][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 265.082578][ 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 [ 265.102460][ C1] RSP: 0018:ffffc900009f6b00 EFLAGS: 00000246 [ 265.108357][ C1] RAX: 0000000000000003 RBX: 1ffff9200013ed64 RCX: ffffffff8154ce3f [ 265.116171][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3c1ec [ 265.123986][ C1] RBP: ffffc900009f6bb0 R08: dffffc0000000000 R09: fffffbfff0de783e [ 265.131795][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.139603][ C1] R13: ffffffff86f3c1ec R14: 0000000000000003 R15: 1ffff9200013ed68 [ 265.147423][ C1] FS: 0000555555905380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 265.156183][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.162628][ C1] CR2: 0000000020001a88 CR3: 000000011c225000 CR4: 00000000003506a0 [ 265.170431][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.178225][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.186036][ C1] Call Trace: [ 265.189163][ C1] [ 265.191854][ C1] ? show_regs+0x58/0x60 [ 265.195934][ C1] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.200882][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.205997][ C1] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.211212][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.216164][ C1] ? clockevents_program_event+0x22f/0x300 [ 265.221800][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.227700][ C1] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.232651][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.238635][ C1] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.244364][ C1] [ 265.247144][ C1] [ 265.249917][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.255913][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.261982][ C1] ? kvm_wait+0x147/0x180 [ 265.266149][ C1] ? asm_sysvec_call_function_single+0x1b/0x20 [ 265.272136][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 265.277091][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.283162][ C1] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 265.289070][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.295311][ C1] ? __kmalloc+0x13a/0x270 [ 265.299567][ C1] ? kvmalloc_node+0x1f0/0x4d0 [ 265.304162][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 265.308939][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.313973][ C1] ? __kasan_check_read+0x11/0x20 [ 265.318832][ C1] get_dist_table+0x207/0x2e0 [ 265.323346][ C1] netem_change+0xa05/0x20c0 [ 265.327774][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.332629][ C1] ? do_syscall_64+0x3d/0xb0 [ 265.337063][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.343055][ C1] ? netem_destroy+0xc0/0xc0 [ 265.347500][ C1] ? hrtimer_init+0x30/0x160 [ 265.351919][ C1] netem_init+0x5b/0xb0 [ 265.355912][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 265.361029][ C1] qdisc_create+0x890/0x12e0 [ 265.365457][ C1] ? qdisc_notify+0x370/0x370 [ 265.369984][ C1] ? __nla_parse+0x43/0x60 [ 265.374231][ C1] tc_modify_qdisc+0x8b4/0x14b0 [ 265.378916][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.384639][ C1] ? wait_for_completion_killable_timeout+0x10/0x10 [ 265.391061][ C1] ? ns_capable+0x89/0xe0 [ 265.395228][ C1] ? netlink_net_capable+0x125/0x160 [ 265.400487][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.406192][ C1] rtnetlink_rcv_msg+0x951/0xc40 [ 265.410943][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.415461][ C1] ? avc_denied+0x13f/0x1b0 [ 265.419800][ C1] ? avc_has_perm_noaudit+0x2dd/0x430 [ 265.424998][ C1] ? avc_denied+0x1b0/0x1b0 [ 265.429346][ C1] ? avc_has_perm+0x16f/0x260 [ 265.433851][ C1] ? ____kasan_kmalloc+0xed/0x110 [ 265.438802][ C1] ? avc_has_perm_noaudit+0x430/0x430 [ 265.444007][ C1] ? do_syscall_64+0x3d/0xb0 [ 265.448437][ C1] netlink_rcv_skb+0x1cf/0x410 [ 265.453491][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.457982][ C1] ? netlink_ack+0xb10/0xb10 [ 265.462501][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 265.467356][ C1] rtnetlink_rcv+0x1c/0x20 [ 265.471641][ C1] netlink_unicast+0x8df/0xac0 [ 265.476217][ C1] ? netlink_detachskb+0x90/0x90 [ 265.480980][ C1] ? security_netlink_send+0x7b/0xa0 [ 265.486112][ C1] netlink_sendmsg+0xa0a/0xd20 [ 265.490708][ C1] ? netlink_getsockopt+0x560/0x560 [ 265.495738][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 265.501028][ C1] ? netlink_getsockopt+0x560/0x560 [ 265.506065][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 265.510665][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 265.515525][ C1] ? import_iovec+0xe5/0x120 [ 265.519951][ C1] ___sys_sendmsg+0x252/0x2e0 [ 265.524463][ C1] ? __sys_sendmsg+0x260/0x260 [ 265.529062][ C1] ? finish_task_switch+0x167/0x7b0 [ 265.534098][ C1] ? __schedule+0xcc6/0x1580 [ 265.538524][ C1] ? __kasan_check_write+0x14/0x20 [ 265.543469][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.548425][ C1] ? __kasan_check_read+0x11/0x20 [ 265.553283][ C1] ? __fdget+0x179/0x240 [ 265.557356][ C1] __se_sys_sendmsg+0x19a/0x260 [ 265.562046][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.567078][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 265.571855][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 265.576454][ C1] do_syscall_64+0x3d/0xb0 [ 265.580706][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.586431][ C1] RIP: 0033:0x7f4fb4b64f49 [ 265.590688][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 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 [ 265.610133][ C1] RSP: 002b:00007fffe6ed59a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.618369][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4fb4b64f49 [ 265.626184][ C1] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 265.633993][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000555555906610 [ 265.641807][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4fb4bd85f0 [ 265.649618][ C1] R13: 00007fffe6ed5be8 R14: 00007fffe6ed59d0 R15: 00007fffe6ed59c0 [ 265.657431][ C1]