./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2788902494 <...> Warning: Permanently added '10.128.1.0' (ED25519) to the list of known hosts. execve("./syz-executor2788902494", ["./syz-executor2788902494"], 0x7ffd4fe18750 /* 10 vars */) = 0 brk(NULL) = 0x555557259000 brk(0x555557259d00) = 0x555557259d00 arch_prctl(ARCH_SET_FS, 0x555557259380) = 0 set_tid_address(0x555557259650) = 294 set_robust_list(0x555557259660, 24) = 0 rseq(0x555557259ca0, 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-executor2788902494", 4096) = 28 getrandom("\x58\xdd\x9d\x15\xf9\x80\xcc\x71", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557259d00 brk(0x55555727ad00) = 0x55555727ad00 brk(0x55555727b000) = 0x55555727b000 mprotect(0x7fd2b8579000, 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=0x555557259650) = 295 ./strace-static-x86_64: Process 295 attached [pid 295] set_robust_list(0x555557259660, 24) = 0 [pid 295] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 295] setsid() = 1 [pid 295] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 295] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 295] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 295] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 295] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 295] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 295] unshare(CLONE_NEWNS) = 0 [pid 295] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 295] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 295] unshare(CLONE_NEWCGROUP) = 0 [pid 295] unshare(CLONE_NEWUTS) = 0 [pid 295] unshare(CLONE_SYSVSEM) = 0 [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] getpid() = 1 [pid 295] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 21.951641][ T30] audit: type=1400 audit(1693180666.674:66): avc: denied { execmem } for pid=294 comm="syz-executor278" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.958296][ T30] audit: type=1400 audit(1693180666.684:67): avc: denied { mounton } for pid=295 comm="syz-executor278" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 21.964832][ T30] audit: type=1400 audit(1693180666.684:68): avc: denied { mount } for pid=295 comm="syz-executor278" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 21.970591][ T30] audit: type=1400 audit(1693180666.684:69): avc: denied { mounton } for pid=295 comm="syz-executor278" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 21.988941][ T30] audit: type=1400 audit(1693180666.694:70): avc: denied { mounton } for pid=295 comm="syz-executor278" path="/dev/binderfs" dev="devtmpfs" ino=362 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 22.011795][ T30] audit: type=1400 audit(1693180666.694:71): avc: denied { mount } for pid=295 comm="syz-executor278" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [pid 296] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x70\x00\x00\x00\x24\x00\x0b\x0e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\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\x40\x00\x02\x00\x00\x00\x00\x00\x01\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\xc7\x42\x00\x00\x00\x00\x00\x00\x10\x00\x01\x00\xc7\x09\x00\x00\x00\x00\x00\x00\xc7\x06\x00\x00\x06\x00\x02\x00\x3e\xfc\x00\x00"..., iov_len=112}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 295] kill(-2, SIGKILL) = 0 [pid 295] kill(2, SIGKILL) = 0 [pid 295] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555725a6f0 /* 2 entries */, 32768) = 48 [pid 295] getdents64(3, 0x55555725a6f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [ 121.984391][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 121.991229][ C1] (detected by 1, t=10002 jiffies, g=265, q=2227) [ 121.997596][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294949411-4294939409), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 122.010757][ C1] rcu: rcu_preempt kthread starved for 10002 jiffies! g265 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 122.021612][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 122.031413][ C1] rcu: RCU grace-period kthread stack dump: [ 122.037143][ C1] task:rcu_preempt state:R running task stack:28328 pid: 14 ppid: 2 flags:0x00004000 [ 122.047730][ C1] Call Trace: [ 122.050856][ C1] [ 122.053633][ C1] __schedule+0xcbe/0x1580 [ 122.057887][ C1] ? release_firmware_map_entry+0x18f/0x18f [ 122.063616][ C1] ? __kasan_check_write+0x14/0x20 [ 122.068561][ C1] schedule+0x11f/0x1e0 [ 122.072555][ C1] schedule_timeout+0x18c/0x370 [ 122.077240][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 122.082273][ C1] ? console_conditional_schedule+0x30/0x30 [ 122.088004][ C1] ? update_process_times+0x200/0x200 [ 122.093210][ C1] ? prepare_to_swait_event+0x308/0x320 [ 122.098593][ C1] rcu_gp_fqs_loop+0x29f/0xe60 [ 122.103191][ C1] ? debug_smp_processor_id+0x17/0x20 [ 122.108399][ C1] ? __note_gp_changes+0x4ab/0x920 [ 122.113346][ C1] ? rcu_gp_init+0xc20/0xc20 [ 122.117771][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 122.122812][ C1] ? rcu_gp_init+0x9c5/0xc20 [ 122.127234][ C1] rcu_gp_kthread+0xa4/0x350 [ 122.131658][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 122.136349][ C1] ? rcu_barrier_callback+0x50/0x50 [ 122.141384][ C1] ? __kasan_check_read+0x11/0x20 [ 122.146240][ C1] ? __kthread_parkme+0xb2/0x200 [ 122.151025][ C1] kthread+0x421/0x510 [ 122.154920][ C1] ? rcu_barrier_callback+0x50/0x50 [ 122.159952][ C1] ? kthread_blkcg+0xd0/0xd0 [ 122.164477][ C1] ret_from_fork+0x1f/0x30 [ 122.168722][ C1] [ 122.171584][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 122.177748][ C1] NMI backtrace for cpu 1 [ 122.181930][ C1] CPU: 1 PID: 296 Comm: syz-executor278 Not tainted 5.15.123-syzkaller-00688-g83c56fbab45d #0 [ 122.191981][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 122.201964][ C1] Call Trace: [ 122.205088][ C1] [ 122.207913][ C1] dump_stack_lvl+0x151/0x1b7 [ 122.212430][ C1] ? io_uring_drop_tctx_refs+0x190/0x190 [ 122.217892][ C1] dump_stack+0x15/0x17 [ 122.221896][ C1] nmi_cpu_backtrace+0x2f7/0x300 [ 122.226657][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 122.232643][ C1] ? panic+0x751/0x751 [ 122.236552][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 122.242451][ C1] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 122.248267][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 122.254168][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 122.259894][ C1] rcu_check_gp_kthread_starvation+0x1e3/0x250 [ 122.265884][ C1] print_other_cpu_stall+0x112d/0x1340 [ 122.271177][ C1] ? generic_exec_single+0x271/0x400 [ 122.276301][ C1] ? rcu_stall_kick_kthreads+0x240/0x240 [ 122.281770][ C1] ? timekeeping_update+0x392/0x460 [ 122.286803][ C1] rcu_sched_clock_irq+0x97c/0x18e0 [ 122.291837][ C1] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 122.297825][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 122.302862][ C1] update_process_times+0x198/0x200 [ 122.307893][ C1] tick_sched_timer+0x188/0x240 [ 122.312581][ C1] ? tick_setup_sched_timer+0x480/0x480 [ 122.317969][ C1] __hrtimer_run_queues+0x41a/0xad0 [ 122.323003][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 122.327951][ C1] ? clockevents_program_event+0x22f/0x300 [ 122.333603][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 122.339485][ C1] hrtimer_interrupt+0x40c/0xaa0 [ 122.344263][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 122.350090][ C1] sysvec_apic_timer_interrupt+0x95/0xc0 [ 122.355556][ C1] [ 122.358320][ C1] [ 122.361103][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 122.366920][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 122.371695][ 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 [ 122.391130][ C1] RSP: 0018:ffffc900009e6b00 EFLAGS: 00000246 [ 122.397057][ C1] RAX: 0000000000000003 RBX: 1ffff9200013cd64 RCX: ffffffff8154cfdf [ 122.404840][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3c3ec [ 122.412655][ C1] RBP: ffffc900009e6bb0 R08: dffffc0000000000 R09: fffffbfff0de787e [ 122.420463][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 122.428280][ C1] R13: ffffffff86f3c3ec R14: 0000000000000003 R15: 1ffff9200013cd68 [ 122.436092][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 122.442166][ C1] ? asm_sysvec_call_function_single+0x1b/0x20 [ 122.448153][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 122.453097][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 122.459174][ C1] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 122.465085][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 122.471326][ C1] ? __kmalloc+0x13a/0x270 [ 122.475580][ C1] ? kvmalloc_node+0x1f0/0x4d0 [ 122.480180][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 122.484953][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 122.489986][ C1] ? __kasan_check_read+0x11/0x20 [ 122.494847][ C1] get_dist_table+0x207/0x2e0 [ 122.499447][ C1] netem_change+0xa05/0x20c0 [ 122.503873][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 122.508645][ C1] ? do_syscall_64+0x3d/0xb0 [ 122.513075][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 122.518975][ C1] ? netem_destroy+0xc0/0xc0 [ 122.523404][ C1] ? hrtimer_init+0x30/0x160 [ 122.527962][ C1] netem_init+0x5b/0xb0 [ 122.531968][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 122.537214][ C1] qdisc_create+0x890/0x12e0 [ 122.541727][ C1] ? qdisc_notify+0x370/0x370 [ 122.546230][ C1] ? __nla_parse+0x43/0x60 [ 122.550483][ C1] tc_modify_qdisc+0x8b4/0x14b0 [ 122.555170][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 122.560901][ C1] ? wait_for_completion_killable_timeout+0x10/0x10 [ 122.567407][ C1] ? ns_capable+0x89/0xe0 [ 122.571572][ C1] ? netlink_net_capable+0x125/0x160 [ 122.576693][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 122.582423][ C1] rtnetlink_rcv_msg+0x951/0xc40 [ 122.587206][ C1] ? rtnetlink_bind+0x80/0x80 [ 122.591707][ C1] ? avc_denied+0x13f/0x1b0 [ 122.596048][ C1] ? avc_has_perm_noaudit+0x2dd/0x430 [ 122.601258][ C1] ? avc_denied+0x1b0/0x1b0 [ 122.605599][ C1] ? avc_has_perm+0x16f/0x260 [ 122.610111][ C1] ? ____kasan_kmalloc+0xed/0x110 [ 122.614970][ C1] ? avc_has_perm_noaudit+0x430/0x430 [ 122.620184][ C1] ? do_syscall_64+0x3d/0xb0 [ 122.624606][ C1] netlink_rcv_skb+0x1cf/0x410 [ 122.629203][ C1] ? rtnetlink_bind+0x80/0x80 [ 122.633718][ C1] ? netlink_ack+0xb10/0xb10 [ 122.638146][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 122.643005][ C1] rtnetlink_rcv+0x1c/0x20 [ 122.647257][ C1] netlink_unicast+0x8df/0xac0 [ 122.651856][ C1] ? netlink_detachskb+0x90/0x90 [ 122.656630][ C1] ? security_netlink_send+0x7b/0xa0 [ 122.661753][ C1] netlink_sendmsg+0xa0a/0xd20 [ 122.666354][ C1] ? netlink_getsockopt+0x560/0x560 [ 122.671386][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 122.676681][ C1] ? netlink_getsockopt+0x560/0x560 [ 122.681716][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 122.686315][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 122.691177][ C1] ? import_iovec+0xe5/0x120 [ 122.695602][ C1] ___sys_sendmsg+0x252/0x2e0 [ 122.700114][ C1] ? __sys_sendmsg+0x260/0x260 [ 122.704715][ C1] ? finish_task_switch+0x167/0x7b0 [ 122.709748][ C1] ? __schedule+0xcc6/0x1580 [ 122.714177][ C1] ? __kasan_check_write+0x14/0x20 [ 122.719122][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 122.724071][ C1] ? __kasan_check_read+0x11/0x20 [ 122.728931][ C1] ? __fdget+0x179/0x240 [ 122.733009][ C1] __se_sys_sendmsg+0x19a/0x260 [ 122.737696][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 122.742730][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 122.747506][ C1] ? __kasan_check_read+0x11/0x20 [ 122.752366][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 122.756966][ C1] do_syscall_64+0x3d/0xb0 [ 122.761217][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 122.766948][ C1] RIP: 0033:0x7fd2b8505fc9 [ 122.771215][ 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 [ 122.790640][ C1] RSP: 002b:00007ffdf94e2248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 122.798895][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd2b8505fc9 [ 122.806699][ C1] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 122.814509][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 000055555725a610 [ 122.822325][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 122.830132][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 122.837947][ C1] [ 265.130664][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 245s! [syz-executor278:296] [ 265.139076][ C1] Modules linked in: [ 265.142804][ C1] CPU: 1 PID: 296 Comm: syz-executor278 Not tainted 5.15.123-syzkaller-00688-g83c56fbab45d #0 [ 265.152880][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 265.162771][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 265.167540][ 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 [ 265.187442][ C1] RSP: 0018:ffffc900009e6b00 EFLAGS: 00000246 [ 265.193321][ C1] RAX: 0000000000000003 RBX: 1ffff9200013cd64 RCX: ffffffff8154cfdf [ 265.201132][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3c3ec [ 265.208939][ C1] RBP: ffffc900009e6bb0 R08: dffffc0000000000 R09: fffffbfff0de787e [ 265.216752][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.224563][ C1] R13: ffffffff86f3c3ec R14: 0000000000000003 R15: 1ffff9200013cd68 [ 265.232371][ C1] FS: 0000555557259380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 265.241147][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.247564][ C1] CR2: 0000000000000000 CR3: 000000011cf12000 CR4: 00000000003506a0 [ 265.255379][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.263184][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.270995][ C1] Call Trace: [ 265.274124][ C1] [ 265.276813][ C1] ? show_regs+0x58/0x60 [ 265.280890][ C1] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.285839][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.290963][ C1] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.296168][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.301112][ C1] ? clockevents_program_event+0x22f/0x300 [ 265.306759][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.312662][ C1] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.317609][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.323516][ C1] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.329152][ C1] [ 265.331927][ C1] [ 265.334707][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.340693][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.346767][ C1] ? kvm_wait+0x147/0x180 [ 265.350934][ C1] ? asm_sysvec_call_function_single+0x1b/0x20 [ 265.356922][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 265.361871][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.367944][ C1] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 265.373849][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.380107][ C1] ? __kmalloc+0x13a/0x270 [ 265.384348][ C1] ? kvmalloc_node+0x1f0/0x4d0 [ 265.388976][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 265.393734][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.398766][ C1] ? __kasan_check_read+0x11/0x20 [ 265.403620][ C1] get_dist_table+0x207/0x2e0 [ 265.408133][ C1] netem_change+0xa05/0x20c0 [ 265.412569][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.417328][ C1] ? do_syscall_64+0x3d/0xb0 [ 265.421760][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.427659][ C1] ? netem_destroy+0xc0/0xc0 [ 265.432086][ C1] ? hrtimer_init+0x30/0x160 [ 265.436513][ C1] netem_init+0x5b/0xb0 [ 265.440512][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 265.445625][ C1] qdisc_create+0x890/0x12e0 [ 265.450054][ C1] ? qdisc_notify+0x370/0x370 [ 265.454566][ C1] ? __nla_parse+0x43/0x60 [ 265.458829][ C1] tc_modify_qdisc+0x8b4/0x14b0 [ 265.463507][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.469239][ C1] ? wait_for_completion_killable_timeout+0x10/0x10 [ 265.475755][ C1] ? ns_capable+0x89/0xe0 [ 265.479915][ C1] ? netlink_net_capable+0x125/0x160 [ 265.485032][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.490775][ C1] rtnetlink_rcv_msg+0x951/0xc40 [ 265.495534][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.500048][ C1] ? avc_denied+0x13f/0x1b0 [ 265.504388][ C1] ? avc_has_perm_noaudit+0x2dd/0x430 [ 265.509594][ C1] ? avc_denied+0x1b0/0x1b0 [ 265.513936][ C1] ? avc_has_perm+0x16f/0x260 [ 265.518448][ C1] ? ____kasan_kmalloc+0xed/0x110 [ 265.523320][ C1] ? avc_has_perm_noaudit+0x430/0x430 [ 265.528515][ C1] ? do_syscall_64+0x3d/0xb0 [ 265.532943][ C1] netlink_rcv_skb+0x1cf/0x410 [ 265.537542][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.542053][ C1] ? netlink_ack+0xb10/0xb10 [ 265.546494][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 265.551688][ C1] rtnetlink_rcv+0x1c/0x20 [ 265.555944][ C1] netlink_unicast+0x8df/0xac0 [ 265.560569][ C1] ? netlink_detachskb+0x90/0x90 [ 265.565314][ C1] ? security_netlink_send+0x7b/0xa0 [ 265.570436][ C1] netlink_sendmsg+0xa0a/0xd20 [ 265.575038][ C1] ? netlink_getsockopt+0x560/0x560 [ 265.580071][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 265.585365][ C1] ? netlink_getsockopt+0x560/0x560 [ 265.590396][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 265.594999][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 265.599859][ C1] ? import_iovec+0xe5/0x120 [ 265.604286][ C1] ___sys_sendmsg+0x252/0x2e0 [ 265.608800][ C1] ? __sys_sendmsg+0x260/0x260 [ 265.613399][ C1] ? finish_task_switch+0x167/0x7b0 [ 265.618448][ C1] ? __schedule+0xcc6/0x1580 [ 265.622859][ C1] ? __kasan_check_write+0x14/0x20 [ 265.627806][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.632753][ C1] ? __kasan_check_read+0x11/0x20 [ 265.637636][ C1] ? __fdget+0x179/0x240 [ 265.641694][ C1] __se_sys_sendmsg+0x19a/0x260 [ 265.646385][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.651416][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 265.656188][ C1] ? __kasan_check_read+0x11/0x20 [ 265.661047][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 265.665651][ C1] do_syscall_64+0x3d/0xb0 [ 265.669903][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.675629][ C1] RIP: 0033:0x7fd2b8505fc9 [ 265.679887][ 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 [ 265.699327][ C1] RSP: 002b:00007ffdf94e2248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.707571][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd2b8505fc9 [ 265.715382][ C1] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 265.723191][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 000055555725a610 [ 265.731007][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.738815][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 265.746638][ C1]