./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1820239311 <...> 1083913.153:62): avc: denied { noatsecure } for pid=225 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.536116][ T30] audit: type=1400 audit(1691083913.153:63): avc: denied { write } for pid=225 comm="sh" path="pipe:[278]" dev="pipefs" ino=278 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 14.542313][ T30] audit: type=1400 audit(1691083913.153:64): avc: denied { rlimitinh } for pid=225 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.559873][ T30] audit: type=1400 audit(1691083913.153:65): avc: denied { siginh } for pid=225 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.172' (ED25519) to the list of known hosts. execve("./syz-executor1820239311", ["./syz-executor1820239311"], 0x7ffd7dae0980 /* 10 vars */) = 0 brk(NULL) = 0x555556a1f000 brk(0x555556a1fd00) = 0x555556a1fd00 arch_prctl(ARCH_SET_FS, 0x555556a1f380) = 0 set_tid_address(0x555556a1f650) = 296 set_robust_list(0x555556a1f660, 24) = 0 rseq(0x555556a1fca0, 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-executor1820239311", 4096) = 28 getrandom("\xaa\xb3\x61\x53\x95\x3f\x7b\x3b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556a1fd00 brk(0x555556a40d00) = 0x555556a40d00 brk(0x555556a41000) = 0x555556a41000 mprotect(0x7fba685bb000, 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() = 296 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, "296", 3) = 3 close(3) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a1f650) = 297 ./strace-static-x86_64: Process 297 attached [pid 297] set_robust_list(0x555556a1f660, 24) = 0 [pid 297] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 297] setsid() = 1 [pid 297] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 297] unshare(CLONE_NEWNS) = 0 [pid 297] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 297] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 297] unshare(CLONE_NEWCGROUP) = 0 [pid 297] unshare(CLONE_NEWUTS) = 0 [pid 297] unshare(CLONE_SYSVSEM) = 0 [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] getpid() = 1 [pid 297] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 25.410731][ T30] audit: type=1400 audit(1691083924.033:66): avc: denied { execmem } for pid=296 comm="syz-executor182" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 25.430578][ T30] audit: type=1400 audit(1691083924.033:67): avc: denied { integrity } for pid=296 comm="syz-executor182" lockdown_reason="debugfs access" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=lockdown permissive=1 [ 25.453483][ T30] audit: type=1400 audit(1691083924.033:68): avc: denied { mounton } for pid=297 comm="syz-executor182" 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 [ 25.477267][ T30] audit: type=1400 audit(1691083924.033:69): avc: denied { mount } for pid=297 comm="syz-executor182" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 25.499440][ T30] audit: type=1400 audit(1691083924.033:70): avc: denied { mounton } for pid=297 comm="syz-executor182" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 25.520693][ T30] audit: type=1400 audit(1691083924.053:71): avc: denied { mounton } for pid=297 comm="syz-executor182" path="/dev/binderfs" dev="devtmpfs" ino=362 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 25.543619][ T30] audit: type=1400 audit(1691083924.053:72): avc: denied { mount } for pid=297 comm="syz-executor182" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [pid 298] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\xa4\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\x74\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=164}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_CONFIRM|MSG_NOSIGNAL|MSG_ZEROCOPY [pid 297] kill(-2, SIGKILL) = 0 [pid 297] kill(2, SIGKILL) = 0 [pid 297] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555556a206f0 /* 2 entries */, 32768) = 48 [pid 297] getdents64(3, 0x555556a206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [ 125.448349][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 125.454783][ C0] rcu: 0-....: (1 GPs behind) idle=22b/1/0x4000000000000000 softirq=1986/1987 fqs=4939 last_accelerate: 9468/bb7c dyntick_enabled: 1 [ 125.468448][ C0] (t=10002 jiffies g=753 q=2317) [ 125.473306][ C0] NMI backtrace for cpu 0 [ 125.477474][ C0] CPU: 0 PID: 298 Comm: syz-executor182 Not tainted 5.15.120-syzkaller-00229-g748fd0d9ca0f #0 [ 125.487537][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 125.497430][ C0] Call Trace: [ 125.500558][ C0] [ 125.503249][ C0] dump_stack_lvl+0x151/0x1b7 [ 125.507770][ C0] ? io_uring_drop_tctx_refs+0x190/0x190 [ 125.513225][ C0] ? __wake_up_klogd+0xde/0x110 [ 125.517921][ C0] dump_stack+0x15/0x17 [ 125.521910][ C0] nmi_cpu_backtrace+0x2f7/0x300 [ 125.526684][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 125.532669][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 125.537963][ C0] ? vprintk+0x86/0x90 [ 125.541868][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 125.546554][ C0] ? _printk+0xd1/0x111 [ 125.550546][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 125.556445][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 125.562271][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 125.568173][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 125.573899][ C0] rcu_dump_cpu_stacks+0x1d8/0x330 [ 125.578854][ C0] rcu_sched_clock_irq+0xf97/0x18e0 [ 125.583905][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 125.589866][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 125.594908][ C0] update_process_times+0x198/0x200 [ 125.599931][ C0] tick_sched_timer+0x188/0x240 [ 125.604616][ C0] ? tick_setup_sched_timer+0x480/0x480 [ 125.609997][ C0] __hrtimer_run_queues+0x41a/0xad0 [ 125.615152][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 125.620425][ C0] ? clockevents_program_event+0x22f/0x300 [ 125.626920][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 125.632995][ C0] hrtimer_interrupt+0x40c/0xaa0 [ 125.638227][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 125.643945][ C0] sysvec_apic_timer_interrupt+0x95/0xc0 [ 125.650669][ C0] [ 125.653629][ C0] [ 125.656810][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 125.662753][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 125.667526][ 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 3b 00 f3 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 125.687044][ C0] RSP: 0018:ffffc90000956b00 EFLAGS: 00000246 [ 125.692951][ C0] RAX: 0000000000000003 RBX: 1ffff9200012ad64 RCX: ffffffff8154c8bf [ 125.700761][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3bdec [ 125.708574][ C0] RBP: ffffc90000956bb0 R08: dffffc0000000000 R09: fffffbfff0de77be [ 125.716388][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 125.724196][ C0] R13: ffffffff86f3bdec R14: 0000000000000003 R15: 1ffff9200012ad68 [ 125.732012][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 125.738080][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 125.744073][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 125.749100][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 125.755177][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 125.761078][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 125.767328][ C0] ? __kmalloc+0x13a/0x270 [ 125.771579][ C0] ? kvmalloc_node+0x1f0/0x4d0 [ 125.776184][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 125.780953][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 125.785990][ C0] ? __kasan_check_read+0x11/0x20 [ 125.790851][ C0] get_dist_table+0x207/0x2e0 [ 125.795362][ C0] netem_change+0xa05/0x20c0 [ 125.799787][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 125.804565][ C0] ? do_syscall_64+0x3d/0xb0 [ 125.808987][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 125.814911][ C0] ? netem_destroy+0xc0/0xc0 [ 125.819318][ C0] ? hrtimer_init+0x30/0x160 [ 125.823743][ C0] netem_init+0x5b/0xb0 [ 125.827743][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 125.832868][ C0] qdisc_create+0x890/0x12e0 [ 125.837283][ C0] ? qdisc_notify+0x370/0x370 [ 125.841804][ C0] ? __nla_parse+0x43/0x60 [ 125.846048][ C0] tc_modify_qdisc+0x8b4/0x14b0 [ 125.850738][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 125.856464][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 125.862887][ C0] ? ns_capable+0x89/0xe0 [ 125.867050][ C0] ? netlink_net_capable+0x125/0x160 [ 125.872181][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 125.877900][ C0] rtnetlink_rcv_msg+0x951/0xc40 [ 125.882672][ C0] ? rtnetlink_bind+0x80/0x80 [ 125.887214][ C0] ? avc_denied+0x13f/0x1b0 [ 125.891535][ C0] ? avc_has_perm_noaudit+0x2dd/0x430 [ 125.896732][ C0] ? avc_denied+0x1b0/0x1b0 [ 125.901082][ C0] ? avc_has_perm+0x16f/0x260 [ 125.905589][ C0] ? ____kasan_kmalloc+0xed/0x110 [ 125.910451][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 125.915658][ C0] ? do_syscall_64+0x3d/0xb0 [ 125.920080][ C0] netlink_rcv_skb+0x1cf/0x410 [ 125.924683][ C0] ? rtnetlink_bind+0x80/0x80 [ 125.929197][ C0] ? netlink_ack+0xb10/0xb10 [ 125.933627][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 125.938488][ C0] rtnetlink_rcv+0x1c/0x20 [ 125.942736][ C0] netlink_unicast+0x8df/0xac0 [ 125.947353][ C0] ? netlink_detachskb+0x90/0x90 [ 125.952108][ C0] ? security_netlink_send+0x7b/0xa0 [ 125.957232][ C0] netlink_sendmsg+0xa0a/0xd20 [ 125.961827][ C0] ? netlink_getsockopt+0x560/0x560 [ 125.966862][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 125.972159][ C0] ? netlink_getsockopt+0x560/0x560 [ 125.977191][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 125.981788][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 125.986657][ C0] ? import_iovec+0xe5/0x120 [ 125.991076][ C0] ___sys_sendmsg+0x252/0x2e0 [ 125.995595][ C0] ? __sys_sendmsg+0x260/0x260 [ 126.000191][ C0] ? finish_task_switch+0x167/0x7b0 [ 126.005225][ C0] ? __schedule+0xcc6/0x1580 [ 126.009651][ C0] ? __kasan_check_write+0x14/0x20 [ 126.014595][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 126.019544][ C0] ? __kasan_check_read+0x11/0x20 [ 126.024402][ C0] ? __fdget+0x179/0x240 [ 126.028499][ C0] __se_sys_sendmsg+0x19a/0x260 [ 126.033171][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 126.038203][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 126.042979][ C0] ? __kasan_check_read+0x11/0x20 [ 126.047836][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 126.052438][ C0] do_syscall_64+0x3d/0xb0 [ 126.056688][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 126.062417][ C0] RIP: 0033:0x7fba6854fd39 [ 126.066689][ C0] 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 [ 126.086113][ C0] RSP: 002b:00007fff67dd52e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 126.094357][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fba6854fd39 [ 126.102169][ C0] RDX: 0000000004004800 RSI: 0000000020000440 RDI: 0000000000000003 [ 126.109978][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fba6859109e [ 126.117798][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 126.125602][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 126.133424][ C0] [ 265.099912][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 225s! [syz-executor182:298] [ 265.108334][ C0] Modules linked in: [ 265.112056][ C0] CPU: 0 PID: 298 Comm: syz-executor182 Not tainted 5.15.120-syzkaller-00229-g748fd0d9ca0f #0 [ 265.122140][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 265.132023][ C0] RIP: 0010:__pv_queued_spin_lock_slowpath+0x5be/0xc40 [ 265.138703][ C0] Code: dc c6 03 00 48 8b 44 24 10 0f b6 04 10 84 c0 0f 85 48 01 00 00 48 8b 44 24 08 c6 00 01 bb 00 80 ff ff eb 06 f3 90 ff c3 74 5e <41> 0f b6 44 15 00 84 c0 75 36 41 80 3f 00 75 ea 4c 89 ff be 02 00 [ 265.158750][ C0] RSP: 0018:ffffc90000956bc0 EFLAGS: 00000286 [ 265.164649][ C0] RAX: 0000000000000000 RBX: 00000000ffffef2e RCX: ffffffff8154c8bf [ 265.172464][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3bdec [ 265.180275][ C0] RBP: ffffc90000956cb0 R08: dffffc0000000000 R09: fffffbfff0de77be [ 265.188086][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7037ed4 [ 265.195898][ C0] R13: 1ffffffff0de77bd R14: 1ffff1103ee00001 R15: ffffffff86f3bdec [ 265.203708][ C0] FS: 0000555556a1f380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 265.212476][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.218896][ C0] CR2: 0000000000000000 CR3: 000000011e962000 CR4: 00000000003506b0 [ 265.226709][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.234520][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.242343][ C0] Call Trace: [ 265.245461][ C0] [ 265.248147][ C0] ? show_regs+0x58/0x60 [ 265.252229][ C0] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.257176][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.262296][ C0] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.267509][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.272455][ C0] ? clockevents_program_event+0x22f/0x300 [ 265.278092][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.284003][ C0] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.288943][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.294845][ C0] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.300482][ C0] [ 265.303258][ C0] [ 265.306037][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.312029][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.318107][ C0] ? __pv_queued_spin_lock_slowpath+0x5be/0xc40 [ 265.324179][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.330430][ C0] ? __kmalloc+0x13a/0x270 [ 265.334679][ C0] ? kvmalloc_node+0x1f0/0x4d0 [ 265.339279][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 265.344053][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.349085][ C0] ? __kasan_check_read+0x11/0x20 [ 265.353945][ C0] get_dist_table+0x207/0x2e0 [ 265.358458][ C0] netem_change+0xa05/0x20c0 [ 265.362882][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.367657][ C0] ? do_syscall_64+0x3d/0xb0 [ 265.372082][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.377991][ C0] ? netem_destroy+0xc0/0xc0 [ 265.382419][ C0] ? hrtimer_init+0x30/0x160 [ 265.386848][ C0] netem_init+0x5b/0xb0 [ 265.390850][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 265.395953][ C0] qdisc_create+0x890/0x12e0 [ 265.400383][ C0] ? qdisc_notify+0x370/0x370 [ 265.404891][ C0] ? __nla_parse+0x43/0x60 [ 265.409263][ C0] tc_modify_qdisc+0x8b4/0x14b0 [ 265.413947][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.419674][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 265.426094][ C0] ? ns_capable+0x89/0xe0 [ 265.430262][ C0] ? netlink_net_capable+0x125/0x160 [ 265.435383][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.441110][ C0] rtnetlink_rcv_msg+0x951/0xc40 [ 265.445892][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.450399][ C0] ? avc_denied+0x13f/0x1b0 [ 265.454742][ C0] ? avc_has_perm_noaudit+0x2dd/0x430 [ 265.459946][ C0] ? avc_denied+0x1b0/0x1b0 [ 265.464296][ C0] ? avc_has_perm+0x16f/0x260 [ 265.468796][ C0] ? ____kasan_kmalloc+0xed/0x110 [ 265.473658][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 265.478864][ C0] ? do_syscall_64+0x3d/0xb0 [ 265.483296][ C0] netlink_rcv_skb+0x1cf/0x410 [ 265.487891][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.492402][ C0] ? netlink_ack+0xb10/0xb10 [ 265.496830][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 265.501693][ C0] rtnetlink_rcv+0x1c/0x20 [ 265.505954][ C0] netlink_unicast+0x8df/0xac0 [ 265.510551][ C0] ? netlink_detachskb+0x90/0x90 [ 265.515318][ C0] ? security_netlink_send+0x7b/0xa0 [ 265.520441][ C0] netlink_sendmsg+0xa0a/0xd20 [ 265.525043][ C0] ? netlink_getsockopt+0x560/0x560 [ 265.530071][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 265.535364][ C0] ? netlink_getsockopt+0x560/0x560 [ 265.540399][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 265.545110][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 265.549949][ C0] ? import_iovec+0xe5/0x120 [ 265.554373][ C0] ___sys_sendmsg+0x252/0x2e0 [ 265.558889][ C0] ? __sys_sendmsg+0x260/0x260 [ 265.563496][ C0] ? finish_task_switch+0x167/0x7b0 [ 265.568521][ C0] ? __schedule+0xcc6/0x1580 [ 265.572948][ C0] ? __kasan_check_write+0x14/0x20 [ 265.577896][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.582976][ C0] ? __kasan_check_read+0x11/0x20 [ 265.587837][ C0] ? __fdget+0x179/0x240 [ 265.591907][ C0] __se_sys_sendmsg+0x19a/0x260 [ 265.596597][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.601626][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 265.606397][ C0] ? __kasan_check_read+0x11/0x20 [ 265.611258][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 265.615865][ C0] do_syscall_64+0x3d/0xb0 [ 265.620116][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.625861][ C0] RIP: 0033:0x7fba6854fd39 [ 265.630098][ C0] 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 [ 265.649537][ C0] RSP: 002b:00007fff67dd52e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.657778][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fba6854fd39 [ 265.665587][ C0] RDX: 0000000004004800 RSI: 0000000020000440 RDI: 0000000000000003 [ 265.673400][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fba6859109e [ 265.681210][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.689044][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 265.697101][ C0] [ 265.700131][ C0] Sending NMI from CPU 0 to CPUs 1: [ 265.705211][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_enter+0x416/0x760