./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2651939845 <...> Warning: Permanently added '10.128.0.206' (ED25519) to the list of known hosts. execve("./syz-executor2651939845", ["./syz-executor2651939845"], 0x7ffee9801b20 /* 10 vars */) = 0 brk(NULL) = 0x5555570ef000 brk(0x5555570efd00) = 0x5555570efd00 arch_prctl(ARCH_SET_FS, 0x5555570ef380) = 0 set_tid_address(0x5555570ef650) = 292 set_robust_list(0x5555570ef660, 24) = 0 rseq(0x5555570efca0, 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-executor2651939845", 4096) = 28 getrandom("\x58\xcb\x71\x17\xe6\xdd\xe2\xc8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555570efd00 brk(0x555557110d00) = 0x555557110d00 brk(0x555557111000) = 0x555557111000 mprotect(0x7f96b52b7000, 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=0x5555570ef650) = 293 ./strace-static-x86_64: Process 293 attached [pid 293] set_robust_list(0x5555570ef660, 24) = 0 [pid 293] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 293] setsid() = 1 [pid 293] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 293] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 293] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 293] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 293] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 293] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 293] unshare(CLONE_NEWNS) = 0 [pid 293] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 293] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 293] unshare(CLONE_NEWCGROUP) = 0 [pid 293] unshare(CLONE_NEWUTS) = 0 [pid 293] unshare(CLONE_SYSVSEM) = 0 [pid 293] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 293] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 293] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 293] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 293] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 293] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 293] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 293] getpid() = 1 [pid 293] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 21.240192][ T30] audit: type=1400 audit(1693168457.049:66): avc: denied { execmem } for pid=292 comm="syz-executor265" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.247509][ T30] audit: type=1400 audit(1693168457.049:67): avc: denied { mounton } for pid=293 comm="syz-executor265" 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 [ 21.256712][ T30] audit: type=1400 audit(1693168457.049:68): avc: denied { mount } for pid=293 comm="syz-executor265" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 21.274967][ T30] audit: type=1400 audit(1693168457.049:69): avc: denied { mounton } for pid=293 comm="syz-executor265" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 21.296315][ T30] audit: type=1400 audit(1693168457.069:70): avc: denied { mounton } for pid=293 comm="syz-executor265" path="/dev/binderfs" dev="devtmpfs" ino=362 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 21.319199][ T30] audit: type=1400 audit(1693168457.069:71): avc: denied { mount } for pid=293 comm="syz-executor265" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [pid 294] 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 293] kill(-2, SIGKILL) = 0 [pid 293] kill(2, SIGKILL) = 0 [pid 293] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 293] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(3, 0x5555570f06f0 /* 2 entries */, 32768) = 48 [pid 293] getdents64(3, 0x5555570f06f0 /* 0 entries */, 32768) = 0 [pid 293] close(3) = 0 [ 121.269430][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 121.276208][ C0] (detected by 0, t=10002 jiffies, g=653, q=2447) [ 121.282534][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10000 (4294949344-4294939344), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 121.295849][ C0] rcu: rcu_preempt kthread starved for 10000 jiffies! g653 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 121.306696][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 121.316620][ C0] rcu: RCU grace-period kthread stack dump: [ 121.322348][ C0] task:rcu_preempt state:R running task stack:28328 pid: 14 ppid: 2 flags:0x00004000 [ 121.332938][ C0] Call Trace: [ 121.336058][ C0] [ 121.338838][ C0] __schedule+0xcbe/0x1580 [ 121.343089][ C0] ? release_firmware_map_entry+0x18f/0x18f [ 121.348817][ C0] ? del_timer_sync+0x1bc/0x230 [ 121.353503][ C0] ? __kasan_check_write+0x14/0x20 [ 121.358452][ C0] schedule+0x11f/0x1e0 [ 121.362530][ C0] schedule_timeout+0x18c/0x370 [ 121.367133][ C0] ? __kasan_check_write+0x14/0x20 [ 121.372079][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 121.377382][ C0] ? console_conditional_schedule+0x30/0x30 [ 121.383102][ C0] ? update_process_times+0x200/0x200 [ 121.388306][ C0] ? prepare_to_swait_event+0x308/0x320 [ 121.393689][ C0] rcu_gp_fqs_loop+0x29f/0xe60 [ 121.398290][ C0] ? dump_blkd_tasks+0x7e0/0x7e0 [ 121.403062][ C0] ? rcu_gp_init+0xc20/0xc20 [ 121.407489][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 121.412520][ C0] ? rcu_gp_init+0x9c5/0xc20 [ 121.416949][ C0] rcu_gp_kthread+0xa4/0x350 [ 121.421412][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 121.426063][ C0] ? rcu_barrier_callback+0x50/0x50 [ 121.431192][ C0] ? __kasan_check_read+0x11/0x20 [ 121.436053][ C0] ? __kthread_parkme+0xb2/0x200 [ 121.440825][ C0] kthread+0x421/0x510 [ 121.444736][ C0] ? rcu_barrier_callback+0x50/0x50 [ 121.449766][ C0] ? kthread_blkcg+0xd0/0xd0 [ 121.454192][ C0] ret_from_fork+0x1f/0x30 [ 121.458447][ C0] [ 121.461308][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 121.467472][ C0] NMI backtrace for cpu 0 [ 121.471638][ C0] CPU: 0 PID: 294 Comm: syz-executor265 Not tainted 5.15.123-syzkaller-00688-g83c56fbab45d #0 [ 121.481703][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 121.491599][ C0] Call Trace: [ 121.494724][ C0] [ 121.497419][ C0] dump_stack_lvl+0x151/0x1b7 [ 121.501928][ C0] ? io_uring_drop_tctx_refs+0x190/0x190 [ 121.507396][ C0] dump_stack+0x15/0x17 [ 121.511389][ C0] nmi_cpu_backtrace+0x2f7/0x300 [ 121.516163][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 121.522162][ C0] ? panic+0x751/0x751 [ 121.526061][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 121.531961][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 121.537861][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 121.543852][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 121.549577][ C0] rcu_check_gp_kthread_starvation+0x1e3/0x250 [ 121.555568][ C0] print_other_cpu_stall+0x112d/0x1340 [ 121.560859][ C0] ? generic_exec_single+0x271/0x400 [ 121.565984][ C0] ? rcu_stall_kick_kthreads+0x240/0x240 [ 121.571453][ C0] ? timekeeping_update+0x392/0x460 [ 121.576486][ C0] rcu_sched_clock_irq+0x97c/0x18e0 [ 121.581521][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 121.587508][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 121.592540][ C0] update_process_times+0x198/0x200 [ 121.597572][ C0] tick_sched_timer+0x188/0x240 [ 121.602260][ C0] ? tick_setup_sched_timer+0x480/0x480 [ 121.607643][ C0] __hrtimer_run_queues+0x41a/0xad0 [ 121.612681][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 121.617624][ C0] ? clockevents_program_event+0x22f/0x300 [ 121.623266][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 121.629167][ C0] hrtimer_interrupt+0x40c/0xaa0 [ 121.633948][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 121.639672][ C0] sysvec_apic_timer_interrupt+0x95/0xc0 [ 121.645142][ C0] [ 121.647914][ C0] [ 121.650689][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 121.656507][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 121.661281][ C0] 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 [ 121.680723][ C0] RSP: 0018:ffffc90000976b00 EFLAGS: 00000246 [ 121.686625][ C0] RAX: 0000000000000003 RBX: 1ffff9200012ed64 RCX: ffffffff8154cfdf [ 121.694437][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3c3ec [ 121.702252][ C0] RBP: ffffc90000976bb0 R08: dffffc0000000000 R09: fffffbfff0de787e [ 121.710054][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 121.717878][ C0] R13: ffffffff86f3c3ec R14: 0000000000000003 R15: 1ffff9200012ed68 [ 121.725685][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 121.731755][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 121.737744][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 121.742691][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 121.748781][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 121.754673][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 121.760916][ C0] ? __kmalloc+0x13a/0x270 [ 121.765174][ C0] ? kvmalloc_node+0x1f0/0x4d0 [ 121.769781][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 121.774633][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 121.779670][ C0] ? __kasan_check_read+0x11/0x20 [ 121.784529][ C0] get_dist_table+0x207/0x2e0 [ 121.789072][ C0] netem_change+0xa05/0x20c0 [ 121.793466][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 121.798242][ C0] ? do_syscall_64+0x3d/0xb0 [ 121.802664][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 121.808569][ C0] ? netem_destroy+0xc0/0xc0 [ 121.813000][ C0] ? hrtimer_init+0x30/0x160 [ 121.817419][ C0] netem_init+0x5b/0xb0 [ 121.821412][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 121.826532][ C0] qdisc_create+0x890/0x12e0 [ 121.830969][ C0] ? qdisc_notify+0x370/0x370 [ 121.835478][ C0] ? __nla_parse+0x43/0x60 [ 121.839730][ C0] tc_modify_qdisc+0x8b4/0x14b0 [ 121.844418][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 121.850144][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 121.856563][ C0] ? ns_capable+0x89/0xe0 [ 121.860731][ C0] ? netlink_net_capable+0x125/0x160 [ 121.865868][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 121.871587][ C0] rtnetlink_rcv_msg+0x951/0xc40 [ 121.876357][ C0] ? rtnetlink_bind+0x80/0x80 [ 121.880875][ C0] ? avc_denied+0x13f/0x1b0 [ 121.885211][ C0] ? avc_has_perm_noaudit+0x2dd/0x430 [ 121.890417][ C0] ? avc_denied+0x1b0/0x1b0 [ 121.894756][ C0] ? avc_has_perm+0x16f/0x260 [ 121.899267][ C0] ? ____kasan_kmalloc+0xed/0x110 [ 121.904128][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 121.909334][ C0] ? do_syscall_64+0x3d/0xb0 [ 121.913760][ C0] netlink_rcv_skb+0x1cf/0x410 [ 121.918362][ C0] ? rtnetlink_bind+0x80/0x80 [ 121.922874][ C0] ? netlink_ack+0xb10/0xb10 [ 121.927300][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 121.932160][ C0] rtnetlink_rcv+0x1c/0x20 [ 121.936412][ C0] netlink_unicast+0x8df/0xac0 [ 121.941014][ C0] ? netlink_detachskb+0x90/0x90 [ 121.945785][ C0] ? security_netlink_send+0x7b/0xa0 [ 121.950909][ C0] netlink_sendmsg+0xa0a/0xd20 [ 121.955507][ C0] ? netlink_getsockopt+0x560/0x560 [ 121.960546][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 121.965909][ C0] ? netlink_getsockopt+0x560/0x560 [ 121.970874][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 121.975481][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 121.980334][ C0] ? import_iovec+0xe5/0x120 [ 121.984758][ C0] ___sys_sendmsg+0x252/0x2e0 [ 121.989272][ C0] ? __sys_sendmsg+0x260/0x260 [ 121.993907][ C0] ? finish_task_switch+0x167/0x7b0 [ 121.998905][ C0] ? __schedule+0xcc6/0x1580 [ 122.003352][ C0] ? __kasan_check_write+0x14/0x20 [ 122.008283][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 122.013230][ C0] ? __kasan_check_read+0x11/0x20 [ 122.018191][ C0] ? __fdget+0x179/0x240 [ 122.022446][ C0] __se_sys_sendmsg+0x19a/0x260 [ 122.027130][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 122.032267][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 122.037038][ C0] ? __kasan_check_read+0x11/0x20 [ 122.041897][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 122.046513][ C0] do_syscall_64+0x3d/0xb0 [ 122.050831][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 122.056561][ C0] RIP: 0033:0x7f96b5243fc9 [ 122.060831][ C0] 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 [ 122.080256][ C0] RSP: 002b:00007ffef0acd0e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 122.088498][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f96b5243fc9 [ 122.096396][ C0] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 122.104217][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555570f0610 [ 122.112020][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 122.119917][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 122.127741][ C0] [ 265.054880][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [syz-executor265:294] [ 265.063390][ C0] Modules linked in: [ 265.067124][ C0] CPU: 0 PID: 294 Comm: syz-executor265 Not tainted 5.15.123-syzkaller-00688-g83c56fbab45d #0 [ 265.077183][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 265.087081][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 265.091855][ C0] 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 [ 265.111729][ C0] RSP: 0018:ffffc90000976b00 EFLAGS: 00000246 [ 265.117628][ C0] RAX: 0000000000000003 RBX: 1ffff9200012ed64 RCX: ffffffff8154cfdf [ 265.125441][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3c3ec [ 265.133251][ C0] RBP: ffffc90000976bb0 R08: dffffc0000000000 R09: fffffbfff0de787e [ 265.141063][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.148877][ C0] R13: ffffffff86f3c3ec R14: 0000000000000003 R15: 1ffff9200012ed68 [ 265.156688][ C0] FS: 00005555570ef380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 265.165453][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.171876][ C0] CR2: 0000000000000000 CR3: 000000011e2d8000 CR4: 00000000003506b0 [ 265.179691][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.187498][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.195396][ C0] Call Trace: [ 265.198535][ C0] [ 265.201308][ C0] ? show_regs+0x58/0x60 [ 265.205378][ C0] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.210325][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.215447][ C0] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.220655][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.225599][ C0] ? clockevents_program_event+0x22f/0x300 [ 265.231244][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.237147][ C0] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.242093][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.247995][ C0] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.253634][ C0] [ 265.256414][ C0] [ 265.259189][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.265177][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.271261][ C0] ? kvm_wait+0x147/0x180 [ 265.275418][ C0] ? asm_sysvec_call_function_single+0x1b/0x20 [ 265.281412][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 265.286362][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.292431][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 265.298333][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.304581][ C0] ? __kmalloc+0x13a/0x270 [ 265.308835][ C0] ? kvmalloc_node+0x1f0/0x4d0 [ 265.313437][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 265.318207][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.323245][ C0] ? __kasan_check_read+0x11/0x20 [ 265.328104][ C0] get_dist_table+0x207/0x2e0 [ 265.332620][ C0] netem_change+0xa05/0x20c0 [ 265.337044][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.341815][ C0] ? do_syscall_64+0x3d/0xb0 [ 265.346240][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.352156][ C0] ? netem_destroy+0xc0/0xc0 [ 265.356576][ C0] ? hrtimer_init+0x30/0x160 [ 265.360997][ C0] netem_init+0x5b/0xb0 [ 265.364992][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 265.370116][ C0] qdisc_create+0x890/0x12e0 [ 265.374537][ C0] ? qdisc_notify+0x370/0x370 [ 265.379053][ C0] ? __nla_parse+0x43/0x60 [ 265.383303][ C0] tc_modify_qdisc+0x8b4/0x14b0 [ 265.387991][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.393719][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 265.400141][ C0] ? ns_capable+0x89/0xe0 [ 265.404311][ C0] ? netlink_net_capable+0x125/0x160 [ 265.409518][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.415253][ C0] rtnetlink_rcv_msg+0x951/0xc40 [ 265.420020][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.424529][ C0] ? avc_denied+0x13f/0x1b0 [ 265.428870][ C0] ? avc_has_perm_noaudit+0x2dd/0x430 [ 265.434079][ C0] ? avc_denied+0x1b0/0x1b0 [ 265.438426][ C0] ? avc_has_perm+0x16f/0x260 [ 265.442930][ C0] ? ____kasan_kmalloc+0xed/0x110 [ 265.447876][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 265.453088][ C0] ? do_syscall_64+0x3d/0xb0 [ 265.457513][ C0] netlink_rcv_skb+0x1cf/0x410 [ 265.462110][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.466623][ C0] ? netlink_ack+0xb10/0xb10 [ 265.471058][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 265.475911][ C0] rtnetlink_rcv+0x1c/0x20 [ 265.480165][ C0] netlink_unicast+0x8df/0xac0 [ 265.484764][ C0] ? netlink_detachskb+0x90/0x90 [ 265.489630][ C0] ? security_netlink_send+0x7b/0xa0 [ 265.494831][ C0] netlink_sendmsg+0xa0a/0xd20 [ 265.499432][ C0] ? netlink_getsockopt+0x560/0x560 [ 265.504465][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 265.509760][ C0] ? netlink_getsockopt+0x560/0x560 [ 265.514793][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 265.519393][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 265.524253][ C0] ? import_iovec+0xe5/0x120 [ 265.528685][ C0] ___sys_sendmsg+0x252/0x2e0 [ 265.533195][ C0] ? __sys_sendmsg+0x260/0x260 [ 265.537796][ C0] ? finish_task_switch+0x167/0x7b0 [ 265.542827][ C0] ? __schedule+0xcc6/0x1580 [ 265.547267][ C0] ? __kasan_check_write+0x14/0x20 [ 265.552199][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.557152][ C0] ? __kasan_check_read+0x11/0x20 [ 265.562014][ C0] ? __fdget+0x179/0x240 [ 265.566090][ C0] __se_sys_sendmsg+0x19a/0x260 [ 265.570794][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.575813][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 265.580583][ C0] ? __kasan_check_read+0x11/0x20 [ 265.585446][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 265.590043][ C0] do_syscall_64+0x3d/0xb0 [ 265.594332][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.600022][ C0] RIP: 0033:0x7f96b5243fc9 [ 265.604279][ C0] 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 [ 265.623720][ C0] RSP: 002b:00007ffef0acd0e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.631984][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f96b5243fc9 [ 265.639774][ C0] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 265.647597][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555570f0610 [ 265.655395][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.663210][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 265.671022][ C0]