./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2604042068 <...> Warning: Permanently added '10.128.0.251' (ED25519) to the list of known hosts. execve("./syz-executor2604042068", ["./syz-executor2604042068"], 0x7ffd7afb4f30 /* 10 vars */) = 0 brk(NULL) = 0x5555557ee000 brk(0x5555557eed00) = 0x5555557eed00 arch_prctl(ARCH_SET_FS, 0x5555557ee380) = 0 set_tid_address(0x5555557ee650) = 292 set_robust_list(0x5555557ee660, 24) = 0 rseq(0x5555557eeca0, 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-executor2604042068", 4096) = 28 getrandom("\x6d\xec\x65\xd4\xdf\x5c\x38\x3e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555557eed00 brk(0x55555580fd00) = 0x55555580fd00 brk(0x555555810000) = 0x555555810000 mprotect(0x7f242588a000, 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=0x5555557ee650) = 293 ./strace-static-x86_64: Process 293 attached [pid 293] set_robust_list(0x5555557ee660, 24) = 0 [pid 293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 293] setpgid(0, 0) = 0 [pid 293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 293] write(3, "1000", 4) = 4 [pid 293] close(3) = 0 [pid 293] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 293] socketpair(AF_UNIX, SOCK_STREAM, 0, [4, 5]) = 0 [pid 293] ioctl(5, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [ 26.309718][ T24] audit: type=1400 audit(1692927197.560:66): avc: denied { execmem } for pid=292 comm="syz-executor260" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 293] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x64\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\x34\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x04\x00\x05\x80\x14\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", iov_len=100}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 292] kill(-293, SIGKILL) = 0 [pid 292] kill(293, SIGKILL) = 0 [pid 292] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 292] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 292] getdents64(3, 0x5555557ef6f0 /* 2 entries */, 32768) = 48 [pid 292] getdents64(3, 0x5555557ef6f0 /* 0 entries */, 32768) = 0 [pid 292] close(3) = 0 [ 126.297129][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 126.303567][ C1] rcu: 1-....: (9999 ticks this GP) idle=cf6/1/0x4000000000000000 softirq=1375/1375 fqs=4855 last_accelerate: 94c8/bbd7 dyntick_enabled: 1 [ 126.317690][ C1] (t=10000 jiffies g=77 q=2252) [ 126.322458][ C1] NMI backtrace for cpu 1 [ 126.326638][ C1] CPU: 1 PID: 293 Comm: syz-executor260 Not tainted 5.10.188-syzkaller-00574-gd96fc5f29172 #0 [ 126.336781][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 126.346678][ C1] Call Trace: [ 126.349798][ C1] [ 126.352512][ C1] dump_stack_lvl+0x1e2/0x24b [ 126.357003][ C1] ? panic+0x80b/0x80b [ 126.360909][ C1] ? bfq_pos_tree_add_move+0x43b/0x43b [ 126.366210][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 126.371850][ C1] ? vprintk_func+0x19d/0x1e0 [ 126.376366][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 126.381137][ C1] ? printk+0xd1/0x111 [ 126.385049][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 126.390952][ C1] dump_stack+0x15/0x17 [ 126.394964][ C1] nmi_trigger_cpumask_backtrace+0x2b5/0x300 [ 126.400754][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 126.406654][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 126.412382][ C1] rcu_dump_cpu_stacks+0x199/0x2b0 [ 126.417327][ C1] rcu_sched_clock_irq+0xf8a/0x1890 [ 126.422363][ C1] ? rcutree_dead_cpu+0x340/0x340 [ 126.427224][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 126.432266][ C1] update_process_times+0x198/0x200 [ 126.437294][ C1] tick_sched_timer+0x188/0x240 [ 126.442065][ C1] ? tick_setup_sched_timer+0x480/0x480 [ 126.447444][ C1] __hrtimer_run_queues+0x3d7/0xa50 [ 126.452494][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 126.457517][ C1] ? clockevents_program_event+0x214/0x2c0 [ 126.463158][ C1] ? ktime_get_update_offsets_now+0x266/0x280 [ 126.469055][ C1] hrtimer_interrupt+0x39a/0x8b0 [ 126.473838][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 126.479736][ C1] asm_call_irq_on_stack+0xf/0x20 [ 126.484680][ C1] [ 126.487544][ C1] sysvec_apic_timer_interrupt+0x85/0xe0 [ 126.493014][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 126.498829][ C1] RIP: 0010:kvm_wait+0xfc/0x150 [ 126.503513][ C1] Code: 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d 85 46 d5 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d 76 46 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 [ 126.523228][ C1] RSP: 0018:ffffc9000097eb00 EFLAGS: 00000246 [ 126.529116][ C1] RAX: 0000000000000003 RBX: 1ffff9200012fd64 RCX: ffffffff8150aa64 [ 126.536927][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc9000097eb40 [ 126.544739][ C1] RBP: ffffc9000097ebb0 R08: dffffc0000000000 R09: ffffed1022c3d996 [ 126.552554][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 126.560376][ C1] R13: ffff8881161eccac R14: 0000000000000003 R15: 0000000000000246 [ 126.568184][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 126.574374][ C1] ? asm_sysvec_call_function_single+0x12/0x20 [ 126.580327][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 126.585281][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 126.591348][ C1] __pv_queued_spin_lock_slowpath+0x72f/0xc70 [ 126.597257][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 126.603502][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 126.608272][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 126.613310][ C1] ? kvmalloc_node+0x82/0x130 [ 126.617819][ C1] ? __kasan_check_read+0x11/0x20 [ 126.623116][ C1] get_dist_table+0x207/0x2e0 [ 126.627630][ C1] netem_change+0x974/0x1fb0 [ 126.632060][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 126.636831][ C1] ? do_syscall_64+0x34/0x70 [ 126.641256][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 126.647336][ C1] ? netem_destroy+0xc0/0xc0 [ 126.651781][ C1] ? hrtimer_init+0x33/0x160 [ 126.656187][ C1] netem_init+0x5b/0xb0 [ 126.660351][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 126.665473][ C1] qdisc_create+0x879/0x12d0 [ 126.669899][ C1] ? qdisc_notify+0x370/0x370 [ 126.674595][ C1] ? __nla_parse+0x43/0x60 [ 126.678917][ C1] tc_modify_qdisc+0x8a4/0x13f0 [ 126.683594][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 126.689322][ C1] ? mutex_trylock+0xa0/0xa0 [ 126.693741][ C1] ? ns_capable+0x89/0xe0 [ 126.697910][ C1] ? netlink_net_capable+0x125/0x160 [ 126.703036][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 126.708952][ C1] rtnetlink_rcv_msg+0x955/0xc50 [ 126.713792][ C1] ? __kasan_check_write+0x14/0x20 [ 126.718737][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 126.723619][ C1] ? rtnetlink_bind+0x80/0x80 [ 126.728116][ C1] ? __kasan_check_write+0x14/0x20 [ 126.733066][ C1] ? avc_node_replace+0x1e0/0x310 [ 126.737918][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 126.743561][ C1] ? avc_update_node+0x2f8/0x710 [ 126.748333][ C1] ? avc_denied+0x13f/0x1b0 [ 126.752672][ C1] ? avc_has_perm+0x275/0x400 [ 126.757203][ C1] ? __kasan_slab_alloc+0xb1/0xe0 [ 126.762052][ C1] ? slab_post_alloc_hook+0x61/0x2f0 [ 126.767189][ C1] ? kmem_cache_alloc+0x168/0x2e0 [ 126.772046][ C1] ? avc_has_perm_noaudit+0x240/0x240 [ 126.777238][ C1] ? iov_iter_advance+0x258/0xb20 [ 126.782185][ C1] netlink_rcv_skb+0x1cf/0x410 [ 126.786873][ C1] ? rtnetlink_bind+0x80/0x80 [ 126.791383][ C1] ? netlink_ack+0xb30/0xb30 [ 126.795810][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 126.800680][ C1] rtnetlink_rcv+0x1c/0x20 [ 126.804925][ C1] netlink_unicast+0x8df/0xac0 [ 126.809524][ C1] ? netlink_detachskb+0x90/0x90 [ 126.814304][ C1] ? security_netlink_send+0x7b/0xa0 [ 126.819418][ C1] netlink_sendmsg+0xa46/0xd00 [ 126.824021][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 126.829057][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 126.834348][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 126.839818][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 126.844417][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 126.849276][ C1] ? import_iovec+0xe5/0x120 [ 126.853706][ C1] ___sys_sendmsg+0x252/0x2e0 [ 126.858214][ C1] ? __sys_sendmsg+0x280/0x280 [ 126.862817][ C1] ? finish_task_switch+0x130/0x5a0 [ 126.867871][ C1] ? __schedule+0xbee/0x1330 [ 126.872286][ C1] ? __kasan_check_write+0x14/0x20 [ 126.877221][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 126.882171][ C1] ? __kasan_check_read+0x11/0x20 [ 126.887029][ C1] ? __fdget+0x179/0x240 [ 126.891117][ C1] __se_sys_sendmsg+0x1b1/0x280 [ 126.895795][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 126.900829][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 126.905724][ C1] ? fpu__clear_all+0x20/0x20 [ 126.910232][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 126.914997][ C1] do_syscall_64+0x34/0x70 [ 126.919262][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 126.925598][ C1] RIP: 0033:0x7f2425817bf9 [ 126.929843][ 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 [ 126.949272][ C1] RSP: 002b:00007ffdb4fc3178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 126.957693][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2425817bf9 [ 126.965502][ C1] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 126.973313][ C1] RBP: 00007f242588a5f0 R08: 0000000000000000 R09: 0000000000000006 [ 126.981126][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 126.988938][ C1] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 264.935390][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor260:293] [ 264.943808][ C1] Modules linked in: [ 264.947537][ C1] CPU: 1 PID: 293 Comm: syz-executor260 Not tainted 5.10.188-syzkaller-00574-gd96fc5f29172 #0 [ 264.957727][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 264.967734][ C1] RIP: 0010:kvm_wait+0xfc/0x150 [ 264.972318][ C1] Code: 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d 85 46 d5 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d 76 46 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 [ 264.992277][ C1] RSP: 0018:ffffc9000097eb00 EFLAGS: 00000246 [ 264.998176][ C1] RAX: 0000000000000003 RBX: 1ffff9200012fd64 RCX: ffffffff8150aa64 [ 265.005983][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc9000097eb40 [ 265.013794][ C1] RBP: ffffc9000097ebb0 R08: dffffc0000000000 R09: ffffed1022c3d996 [ 265.021606][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.029418][ C1] R13: ffff8881161eccac R14: 0000000000000003 R15: 0000000000000246 [ 265.037239][ C1] FS: 00005555557ee380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 265.046086][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.052594][ C1] CR2: 00007f257315e308 CR3: 000000011ea0a000 CR4: 00000000003506a0 [ 265.060415][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.068305][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.076240][ C1] Call Trace: [ 265.079346][ C1] [ 265.082195][ C1] ? show_regs+0x58/0x60 [ 265.086230][ C1] ? watchdog_timer_fn+0x471/0x590 [ 265.091156][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.096451][ C1] ? __hrtimer_run_queues+0x3d7/0xa50 [ 265.101575][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 265.106551][ C1] ? clockevents_program_event+0x214/0x2c0 [ 265.112159][ C1] ? ktime_get_update_offsets_now+0x266/0x280 [ 265.118062][ C1] ? hrtimer_interrupt+0x39a/0x8b0 [ 265.123051][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.128953][ C1] ? asm_call_irq_on_stack+0xf/0x20 [ 265.133940][ C1] [ 265.136754][ C1] ? sysvec_apic_timer_interrupt+0x85/0xe0 [ 265.142363][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 265.148394][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 265.154439][ C1] ? kvm_wait+0xfc/0x150 [ 265.158512][ C1] ? asm_sysvec_call_function_single+0x12/0x20 [ 265.164589][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 265.169532][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 265.175607][ C1] __pv_queued_spin_lock_slowpath+0x72f/0xc70 [ 265.181513][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 265.187757][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 265.192537][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.197979][ C1] ? kvmalloc_node+0x82/0x130 [ 265.202495][ C1] ? __kasan_check_read+0x11/0x20 [ 265.207274][ C1] get_dist_table+0x207/0x2e0 [ 265.211748][ C1] netem_change+0x974/0x1fb0 [ 265.216218][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.221036][ C1] ? do_syscall_64+0x34/0x70 [ 265.225464][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 265.231457][ C1] ? netem_destroy+0xc0/0xc0 [ 265.235880][ C1] ? hrtimer_init+0x33/0x160 [ 265.240305][ C1] netem_init+0x5b/0xb0 [ 265.244307][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 265.249462][ C1] qdisc_create+0x879/0x12d0 [ 265.253856][ C1] ? qdisc_notify+0x370/0x370 [ 265.258418][ C1] ? __nla_parse+0x43/0x60 [ 265.262610][ C1] tc_modify_qdisc+0x8a4/0x13f0 [ 265.267301][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 265.273028][ C1] ? mutex_trylock+0xa0/0xa0 [ 265.277501][ C1] ? ns_capable+0x89/0xe0 [ 265.281653][ C1] ? netlink_net_capable+0x125/0x160 [ 265.286738][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 265.292507][ C1] rtnetlink_rcv_msg+0x955/0xc50 [ 265.297240][ C1] ? __kasan_check_write+0x14/0x20 [ 265.302187][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 265.306876][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.311387][ C1] ? __kasan_check_write+0x14/0x20 [ 265.316512][ C1] ? avc_node_replace+0x1e0/0x310 [ 265.321285][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 265.327011][ C1] ? avc_update_node+0x2f8/0x710 [ 265.331785][ C1] ? avc_denied+0x13f/0x1b0 [ 265.336141][ C1] ? avc_has_perm+0x275/0x400 [ 265.340636][ C1] ? __kasan_slab_alloc+0xb1/0xe0 [ 265.345511][ C1] ? slab_post_alloc_hook+0x61/0x2f0 [ 265.350623][ C1] ? kmem_cache_alloc+0x168/0x2e0 [ 265.355482][ C1] ? avc_has_perm_noaudit+0x240/0x240 [ 265.360754][ C1] ? iov_iter_advance+0x258/0xb20 [ 265.365553][ C1] netlink_rcv_skb+0x1cf/0x410 [ 265.370151][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.374846][ C1] ? netlink_ack+0xb30/0xb30 [ 265.379264][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 265.384222][ C1] rtnetlink_rcv+0x1c/0x20 [ 265.388463][ C1] netlink_unicast+0x8df/0xac0 [ 265.393064][ C1] ? netlink_detachskb+0x90/0x90 [ 265.397891][ C1] ? security_netlink_send+0x7b/0xa0 [ 265.402957][ C1] netlink_sendmsg+0xa46/0xd00 [ 265.407558][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 265.412593][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 265.417887][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 265.422920][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 265.427518][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 265.432379][ C1] ? import_iovec+0xe5/0x120 [ 265.436812][ C1] ___sys_sendmsg+0x252/0x2e0 [ 265.441319][ C1] ? __sys_sendmsg+0x280/0x280 [ 265.445976][ C1] ? finish_task_switch+0x130/0x5a0 [ 265.450958][ C1] ? __schedule+0xbee/0x1330 [ 265.455380][ C1] ? __kasan_check_write+0x14/0x20 [ 265.460326][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.465276][ C1] ? __kasan_check_read+0x11/0x20 [ 265.470150][ C1] ? __fdget+0x179/0x240 [ 265.474214][ C1] __se_sys_sendmsg+0x1b1/0x280 [ 265.478901][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.483937][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 265.488776][ C1] ? fpu__clear_all+0x20/0x20 [ 265.493225][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 265.497821][ C1] do_syscall_64+0x34/0x70 [ 265.502075][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 265.507802][ C1] RIP: 0033:0x7f2425817bf9 [ 265.512057][ 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 [ 265.531507][ C1] RSP: 002b:00007ffdb4fc3178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.539749][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2425817bf9 [ 265.547552][ C1] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 265.555363][ C1] RBP: 00007f242588a5f0 R08: 0000000000000000 R09: 0000000000000006 [ 265.563263][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 265.571077][ C1] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001