./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1980668848 <...> Warning: Permanently added '10.128.0.117' (ED25519) to the list of known hosts. execve("./syz-executor1980668848", ["./syz-executor1980668848"], 0x7ffe18566800 /* 10 vars */) = 0 brk(NULL) = 0x555556a49000 brk(0x555556a49d00) = 0x555556a49d00 arch_prctl(ARCH_SET_FS, 0x555556a49380) = 0 set_tid_address(0x555556a49650) = 288 set_robust_list(0x555556a49660, 24) = 0 rseq(0x555556a49ca0, 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-executor1980668848", 4096) = 28 getrandom("\xc0\xd5\xe1\x2d\xcf\x9b\xce\xa0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556a49d00 brk(0x555556a6ad00) = 0x555556a6ad00 brk(0x555556a6b000) = 0x555556a6b000 mprotect(0x7fe2efe83000, 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 getpid() = 288 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 write(3, "288", 3) = 3 close(3) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a49650) = 289 ./strace-static-x86_64: Process 289 attached [pid 289] set_robust_list(0x555556a49660, 24) = 0 [pid 289] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 289] setsid() = 1 [pid 289] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 289] unshare(CLONE_NEWNS) = 0 [pid 289] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 289] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 289] unshare(CLONE_NEWCGROUP) = 0 [pid 289] unshare(CLONE_NEWUTS) = 0 [pid 289] unshare(CLONE_SYSVSEM) = 0 [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] getpid() = 1 [pid 289] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 22.860246][ T24] audit: type=1400 audit(1693246444.100:66): avc: denied { execmem } for pid=288 comm="syz-executor198" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.877263][ T24] audit: type=1400 audit(1693246444.110:67): avc: denied { mounton } for pid=289 comm="syz-executor198" 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 [ 22.891373][ T24] audit: type=1400 audit(1693246444.110:68): avc: denied { mount } for pid=289 comm="syz-executor198" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 22.913796][ T24] audit: type=1400 audit(1693246444.110:69): avc: denied { mounton } for pid=289 comm="syz-executor198" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 22.935442][ T24] audit: type=1400 audit(1693246444.130:70): avc: denied { mounton } for pid=289 comm="syz-executor198" path="/dev/binderfs" dev="devtmpfs" ino=357 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 22.958457][ T24] audit: type=1400 audit(1693246444.130:71): avc: denied { mount } for pid=289 comm="syz-executor198" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [pid 291] 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\x00\x00\x00\x00\x00\x00\x00\x00\x10\x00\x01\x00\xc7\x09\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x0c\x00\x0b\x00\x05\x00\x00\x00"..., iov_len=112}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 289] kill(-2, SIGKILL) = 0 [pid 289] kill(2, SIGKILL) = 0 [pid 289] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 289] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 289] getdents64(3, 0x555556a4a6f0 /* 2 entries */, 32768) = 48 [pid 289] getdents64(3, 0x555556a4a6f0 /* 0 entries */, 32768) = 0 [pid 289] close(3) = 0 [ 122.909493][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 122.915922][ C1] rcu: 1-....: (1 GPs behind) idle=1a2/1/0x4000000000000000 softirq=1442/1445 fqs=4842 last_accelerate: 9373/ba84 dyntick_enabled: 1 [ 122.929459][ C1] (t=10000 jiffies g=133 q=2199) [ 122.934296][ C1] NMI backtrace for cpu 1 [ 122.938465][ C1] CPU: 1 PID: 291 Comm: syz-executor198 Not tainted 5.10.189-syzkaller-00615-gc6a1fbd8e4aa #0 [ 122.948716][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 122.958596][ C1] Call Trace: [ 122.961722][ C1] [ 122.964438][ C1] dump_stack_lvl+0x1e2/0x24b [ 122.968925][ C1] ? panic+0x80b/0x80b [ 122.972849][ C1] ? bfq_pos_tree_add_move+0x43b/0x43b [ 122.978141][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 122.983429][ C1] ? vprintk_func+0x19d/0x1e0 [ 122.987938][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 122.992630][ C1] ? printk+0xd1/0x111 [ 122.996532][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 123.002431][ C1] dump_stack+0x15/0x17 [ 123.006426][ C1] nmi_trigger_cpumask_backtrace+0x2b5/0x300 [ 123.012566][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 123.018453][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 123.024182][ C1] rcu_dump_cpu_stacks+0x199/0x2b0 [ 123.029124][ C1] rcu_sched_clock_irq+0xf8a/0x1890 [ 123.034156][ C1] ? rcutree_dead_cpu+0x340/0x340 [ 123.039015][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 123.044056][ C1] update_process_times+0x198/0x200 [ 123.049085][ C1] tick_sched_timer+0x188/0x240 [ 123.053771][ C1] ? tick_setup_sched_timer+0x480/0x480 [ 123.059248][ C1] __hrtimer_run_queues+0x3d7/0xa50 [ 123.064271][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 123.069218][ C1] ? clockevents_program_event+0x214/0x2c0 [ 123.074863][ C1] ? ktime_get_update_offsets_now+0x266/0x280 [ 123.080765][ C1] hrtimer_interrupt+0x39a/0x8b0 [ 123.085541][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 123.091268][ C1] asm_call_irq_on_stack+0xf/0x20 [ 123.096123][ C1] [ 123.098903][ C1] sysvec_apic_timer_interrupt+0x85/0xe0 [ 123.104374][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 123.110189][ C1] RIP: 0010:kvm_wait+0xfc/0x150 [ 123.114876][ C1] Code: 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d c5 47 d5 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d b6 47 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 [ 123.134329][ C1] RSP: 0018:ffffc9000092eb00 EFLAGS: 00000246 [ 123.140666][ C1] RAX: 0000000000000003 RBX: 1ffff92000125d64 RCX: ffffffff8150b3d4 [ 123.148477][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc9000092eb40 [ 123.156276][ C1] RBP: ffffc9000092ebb0 R08: dffffc0000000000 R09: fffffbfff0d9e1ae [ 123.164085][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 123.171896][ C1] R13: ffffffff86cf0d6c R14: 0000000000000003 R15: 0000000000000246 [ 123.179721][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 123.185789][ C1] ? asm_sysvec_call_function_single+0x12/0x20 [ 123.191774][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 123.196721][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 123.202799][ C1] __pv_queued_spin_lock_slowpath+0x72f/0xc70 [ 123.208713][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 123.214947][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 123.219723][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 123.224755][ C1] ? kvmalloc_node+0x82/0x130 [ 123.229269][ C1] ? __kasan_check_read+0x11/0x20 [ 123.234130][ C1] get_dist_table+0x207/0x2e0 [ 123.238642][ C1] netem_change+0x974/0x1fb0 [ 123.243070][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 123.247854][ C1] ? do_syscall_64+0x34/0x70 [ 123.252286][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 123.258180][ C1] ? netem_destroy+0xc0/0xc0 [ 123.262620][ C1] ? hrtimer_init+0x33/0x160 [ 123.267110][ C1] netem_init+0x5b/0xb0 [ 123.271103][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 123.276224][ C1] qdisc_create+0x879/0x12d0 [ 123.280651][ C1] ? qdisc_notify+0x370/0x370 [ 123.285162][ C1] ? __nla_parse+0x43/0x60 [ 123.289417][ C1] tc_modify_qdisc+0x8a4/0x13f0 [ 123.294105][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 123.299834][ C1] ? mutex_trylock+0xa0/0xa0 [ 123.304258][ C1] ? ns_capable+0x89/0xe0 [ 123.308422][ C1] ? netlink_net_capable+0x125/0x160 [ 123.313552][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 123.319274][ C1] rtnetlink_rcv_msg+0x955/0xc50 [ 123.324047][ C1] ? __kasan_check_write+0x14/0x20 [ 123.328994][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 123.333680][ C1] ? rtnetlink_bind+0x80/0x80 [ 123.338194][ C1] ? __kasan_check_write+0x14/0x20 [ 123.343142][ C1] ? avc_node_replace+0x1e0/0x310 [ 123.348046][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 123.353643][ C1] ? avc_update_node+0x2f8/0x710 [ 123.358417][ C1] ? avc_denied+0x13f/0x1b0 [ 123.362847][ C1] ? avc_has_perm+0x275/0x400 [ 123.367358][ C1] ? __kasan_slab_alloc+0xb1/0xe0 [ 123.372219][ C1] ? slab_post_alloc_hook+0x61/0x2f0 [ 123.377484][ C1] ? kmem_cache_alloc+0x168/0x2e0 [ 123.382343][ C1] ? avc_has_perm_noaudit+0x240/0x240 [ 123.387631][ C1] ? iov_iter_advance+0x258/0xb20 [ 123.392509][ C1] netlink_rcv_skb+0x1cf/0x410 [ 123.397094][ C1] ? rtnetlink_bind+0x80/0x80 [ 123.401603][ C1] ? netlink_ack+0xb30/0xb30 [ 123.406026][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 123.410885][ C1] rtnetlink_rcv+0x1c/0x20 [ 123.415145][ C1] netlink_unicast+0x8df/0xac0 [ 123.419897][ C1] ? netlink_detachskb+0x90/0x90 [ 123.424616][ C1] ? security_netlink_send+0x7b/0xa0 [ 123.429748][ C1] netlink_sendmsg+0xa46/0xd00 [ 123.434345][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 123.439371][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 123.444686][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 123.449724][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 123.454302][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 123.459173][ C1] ? import_iovec+0xe5/0x120 [ 123.463758][ C1] ___sys_sendmsg+0x252/0x2e0 [ 123.468273][ C1] ? __sys_sendmsg+0x280/0x280 [ 123.472896][ C1] ? finish_task_switch+0x130/0x5a0 [ 123.477924][ C1] ? __schedule+0xbee/0x1330 [ 123.482424][ C1] ? __kasan_check_write+0x14/0x20 [ 123.487288][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 123.492238][ C1] ? __kasan_check_read+0x11/0x20 [ 123.497093][ C1] ? __fdget+0x179/0x240 [ 123.501173][ C1] __se_sys_sendmsg+0x1b1/0x280 [ 123.505956][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 123.510977][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 123.515772][ C1] ? fpu__clear_all+0x20/0x20 [ 123.520280][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 123.524869][ C1] do_syscall_64+0x34/0x70 [ 123.529142][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 123.534845][ C1] RIP: 0033:0x7fe2efe17cf9 [ 123.539116][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1b 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 [ 123.558546][ C1] RSP: 002b:00007fffce7ac9f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 123.566788][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe2efe17cf9 [ 123.574597][ C1] RDX: 0000000000000000 RSI: 0000000020000440 RDI: 0000000000000003 [ 123.582405][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fe2efe5909e [ 123.590301][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 123.598116][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007fffce7acac0 [ 264.946400][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor198:291] [ 264.954803][ C1] Modules linked in: [ 264.958531][ C1] CPU: 1 PID: 291 Comm: syz-executor198 Not tainted 5.10.189-syzkaller-00615-gc6a1fbd8e4aa #0 [ 264.968607][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 264.978667][ C1] RIP: 0010:kvm_wait+0xfc/0x150 [ 264.983357][ C1] Code: 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d c5 47 d5 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d b6 47 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 [ 265.003325][ C1] RSP: 0018:ffffc9000092eb00 EFLAGS: 00000246 [ 265.009306][ C1] RAX: 0000000000000003 RBX: 1ffff92000125d64 RCX: ffffffff8150b3d4 [ 265.017117][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc9000092eb40 [ 265.024924][ C1] RBP: ffffc9000092ebb0 R08: dffffc0000000000 R09: fffffbfff0d9e1ae [ 265.032735][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.040636][ C1] R13: ffffffff86cf0d6c R14: 0000000000000003 R15: 0000000000000246 [ 265.048449][ C1] FS: 0000555556a49380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 265.057213][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.063984][ C1] CR2: 0000000000000000 CR3: 000000011e559000 CR4: 00000000003506a0 [ 265.071796][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.079693][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.087503][ C1] Call Trace: [ 265.090629][ C1] [ 265.093395][ C1] ? show_regs+0x58/0x60 [ 265.097440][ C1] ? watchdog_timer_fn+0x471/0x590 [ 265.102361][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.107519][ C1] ? __hrtimer_run_queues+0x3d7/0xa50 [ 265.112677][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 265.117658][ C1] ? clockevents_program_event+0x214/0x2c0 [ 265.123354][ C1] ? ktime_get_update_offsets_now+0x266/0x280 [ 265.129389][ C1] ? hrtimer_interrupt+0x39a/0x8b0 [ 265.134349][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.140621][ C1] ? asm_call_irq_on_stack+0xf/0x20 [ 265.145595][ C1] [ 265.148497][ C1] ? sysvec_apic_timer_interrupt+0x85/0xe0 [ 265.154283][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 265.160410][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 265.166449][ C1] ? kvm_wait+0xfc/0x150 [ 265.170508][ C1] ? asm_common_interrupt+0x1e/0x40 [ 265.175640][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 265.180580][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 265.186655][ C1] __pv_queued_spin_lock_slowpath+0x72f/0xc70 [ 265.192642][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 265.198889][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 265.203660][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.208740][ C1] ? kvmalloc_node+0x82/0x130 [ 265.213232][ C1] ? __kasan_check_read+0x11/0x20 [ 265.218100][ C1] get_dist_table+0x207/0x2e0 [ 265.222588][ C1] netem_change+0x974/0x1fb0 [ 265.227059][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.231800][ C1] ? do_syscall_64+0x34/0x70 [ 265.236212][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 265.242116][ C1] ? netem_destroy+0xc0/0xc0 [ 265.246543][ C1] ? hrtimer_init+0x33/0x160 [ 265.250965][ C1] netem_init+0x5b/0xb0 [ 265.254960][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 265.260092][ C1] qdisc_create+0x879/0x12d0 [ 265.264504][ C1] ? qdisc_notify+0x370/0x370 [ 265.269095][ C1] ? __nla_parse+0x43/0x60 [ 265.273283][ C1] tc_modify_qdisc+0x8a4/0x13f0 [ 265.277965][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 265.283704][ C1] ? mutex_trylock+0xa0/0xa0 [ 265.288182][ C1] ? ns_capable+0x89/0xe0 [ 265.292298][ C1] ? netlink_net_capable+0x125/0x160 [ 265.297769][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 265.304013][ C1] rtnetlink_rcv_msg+0x955/0xc50 [ 265.308719][ C1] ? __kasan_check_write+0x14/0x20 [ 265.313741][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 265.318456][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.324061][ C1] ? __kasan_check_write+0x14/0x20 [ 265.329156][ C1] ? avc_node_replace+0x1e0/0x310 [ 265.334092][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 265.339762][ C1] ? avc_update_node+0x2f8/0x710 [ 265.344554][ C1] ? avc_denied+0x13f/0x1b0 [ 265.348876][ C1] ? avc_has_perm+0x275/0x400 [ 265.353699][ C1] ? __kasan_slab_alloc+0xb1/0xe0 [ 265.358743][ C1] ? slab_post_alloc_hook+0x61/0x2f0 [ 265.363913][ C1] ? kmem_cache_alloc+0x168/0x2e0 [ 265.368769][ C1] ? avc_has_perm_noaudit+0x240/0x240 [ 265.374019][ C1] ? iov_iter_advance+0x258/0xb20 [ 265.378834][ C1] netlink_rcv_skb+0x1cf/0x410 [ 265.383443][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.388211][ C1] ? netlink_ack+0xb30/0xb30 [ 265.392669][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 265.397506][ C1] rtnetlink_rcv+0x1c/0x20 [ 265.401866][ C1] netlink_unicast+0x8df/0xac0 [ 265.406446][ C1] ? netlink_detachskb+0x90/0x90 [ 265.411295][ C1] ? security_netlink_send+0x7b/0xa0 [ 265.416346][ C1] netlink_sendmsg+0xa46/0xd00 [ 265.420946][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 265.425977][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 265.431267][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 265.436506][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 265.441093][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 265.445960][ C1] ? import_iovec+0xe5/0x120 [ 265.450369][ C1] ___sys_sendmsg+0x252/0x2e0 [ 265.454880][ C1] ? __sys_sendmsg+0x280/0x280 [ 265.459546][ C1] ? finish_task_switch+0x130/0x5a0 [ 265.464524][ C1] ? __schedule+0xbee/0x1330 [ 265.469370][ C1] ? __kasan_check_write+0x14/0x20 [ 265.474415][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.479353][ C1] ? __kasan_check_read+0x11/0x20 [ 265.484326][ C1] ? __fdget+0x179/0x240 [ 265.488379][ C1] __se_sys_sendmsg+0x1b1/0x280 [ 265.493096][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.498630][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 265.503462][ C1] ? fpu__clear_all+0x20/0x20 [ 265.507995][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 265.512596][ C1] do_syscall_64+0x34/0x70 [ 265.516933][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 265.522672][ C1] RIP: 0033:0x7fe2efe17cf9 [ 265.526924][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1b 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 [ 265.546547][ C1] RSP: 002b:00007fffce7ac9f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.554873][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe2efe17cf9 [ 265.562676][ C1] RDX: 0000000000000000 RSI: 0000000020000440 RDI: 0000000000000003 [ 265.570492][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fe2efe5909e [ 265.578292][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.586105][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007fffce7acac0 [ 265.593925][ C1] Sending NMI from CPU 1 to CPUs 0: [ 265.598991][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_enter+0x416/0x760