./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3856233259 <...> Warning: Permanently added '10.128.0.246' (ED25519) to the list of known hosts. execve("./syz-executor3856233259", ["./syz-executor3856233259"], 0x7ffc8be81580 /* 10 vars */) = 0 brk(NULL) = 0x55555578d000 brk(0x55555578dd40) = 0x55555578dd40 arch_prctl(ARCH_SET_FS, 0x55555578d3c0) = 0 set_tid_address(0x55555578d690) = 292 set_robust_list(0x55555578d6a0, 24) = 0 rseq(0x55555578dce0, 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-executor3856233259", 4096) = 28 getrandom("\xe6\x82\x90\x42\xf5\xff\xf2\x9f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555578dd40 brk(0x5555557aed40) = 0x5555557aed40 brk(0x5555557af000) = 0x5555557af000 mprotect(0x7fa1852f6000, 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=0x55555578d690) = 293 ./strace-static-x86_64: Process 293 attached [pid 293] set_robust_list(0x55555578d6a0, 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< {parent_tid=[3]}, 88) = 3 [pid 294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 294] futex(0x7fa1852fc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] futex(0x7fa1852fc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 295 attached [pid 295] set_robust_list(0x7fa1852339a0, 24) = 0 [pid 295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 295] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 295] futex(0x7fa1852fc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = 0 [pid 294] futex(0x7fa1852fc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] futex(0x7fa1852fc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... futex resumed>) = 1 [pid 295] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 295] futex(0x7fa1852fc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = 0 [pid 294] futex(0x7fa1852fc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] futex(0x7fa1852fc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... futex resumed>) = 1 [pid 295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=NULL, iov_len=146}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EFAULT (Bad address) [pid 295] futex(0x7fa1852fc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = 0 [pid 294] futex(0x7fa1852fc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] futex(0x7fa1852fc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... futex resumed>) = 1 [pid 295] getsockname(4, {sa_family=AF_NETLINK, nl_pid=2, nl_groups=00000000}, [20 => 12]) = 0 [pid 295] futex(0x7fa1852fc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = 0 [pid 294] futex(0x7fa1852fc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] futex(0x7fa1852fc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... futex resumed>) = 1 [ 25.214858][ T24] audit: type=1400 audit(1693021468.599:66): avc: denied { execmem } for pid=292 comm="syz-executor385" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 25.234121][ T24] audit: type=1400 audit(1693021468.609:67): avc: denied { mounton } for pid=293 comm="syz-executor385" 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 [ 25.258082][ T24] audit: type=1400 audit(1693021468.609:68): avc: denied { mount } for pid=293 comm="syz-executor385" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 25.280540][ T24] audit: type=1400 audit(1693021468.609:69): avc: denied { mounton } for pid=293 comm="syz-executor385" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 25.301918][ T24] audit: type=1400 audit(1693021468.629:70): avc: denied { mounton } for pid=293 comm="syz-executor385" path="/dev/binderfs" dev="devtmpfs" ino=357 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 25.324755][ T24] audit: type=1400 audit(1693021468.629:71): avc: denied { mount } for pid=293 comm="syz-executor385" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [pid 295] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x60\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\x30\x00\x02\x00\x00\x00\x00\x00\x01\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x02\x00\x1a\x42\x00\x00\x0c\x00\x0b\x00\x08\x00\x00\x00\x00\x00\x00\x00", iov_len=96}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 294] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 294] close(3) = 0 [pid 294] close(4) = 0 [pid 294] close(5) = -1 EBADF (Bad file descriptor) [pid 294] close(6) = -1 EBADF (Bad file descriptor) [pid 294] close(7) = -1 EBADF (Bad file descriptor) [pid 294] close(8) = -1 EBADF (Bad file descriptor) [pid 294] close(9) = -1 EBADF (Bad file descriptor) [pid 294] close(10) = -1 EBADF (Bad file descriptor) [pid 294] close(11) = -1 EBADF (Bad file descriptor) [pid 294] close(12) = -1 EBADF (Bad file descriptor) [pid 294] close(13) = -1 EBADF (Bad file descriptor) [pid 294] close(14) = -1 EBADF (Bad file descriptor) [pid 294] close(15) = -1 EBADF (Bad file descriptor) [pid 294] close(16) = -1 EBADF (Bad file descriptor) [pid 294] close(17) = -1 EBADF (Bad file descriptor) [pid 294] close(18) = -1 EBADF (Bad file descriptor) [pid 294] close(19) = -1 EBADF (Bad file descriptor) [pid 294] close(20) = -1 EBADF (Bad file descriptor) [pid 294] close(21) = -1 EBADF (Bad file descriptor) [pid 294] close(22) = -1 EBADF (Bad file descriptor) [pid 294] close(23) = -1 EBADF (Bad file descriptor) [pid 294] close(24) = -1 EBADF (Bad file descriptor) [pid 294] close(25) = -1 EBADF (Bad file descriptor) [pid 294] close(26) = -1 EBADF (Bad file descriptor) [pid 294] close(27) = -1 EBADF (Bad file descriptor) [pid 294] close(28) = -1 EBADF (Bad file descriptor) [pid 294] close(29) = -1 EBADF (Bad file descriptor) [pid 294] exit_group(0) = ? [ 125.256104][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 125.262528][ C1] rcu: 1-....: (1 GPs behind) idle=b1e/1/0x4000000000000000 softirq=1254/1255 fqs=4882 last_accelerate: 945d/bb72 dyntick_enabled: 1 [ 125.276158][ C1] (t=10001 jiffies g=37 q=2286) [ 125.280915][ C1] NMI backtrace for cpu 1 [ 125.285083][ C1] CPU: 1 PID: 295 Comm: syz-executor385 Not tainted 5.10.189-syzkaller-00615-gc6a1fbd8e4aa #0 [ 125.295160][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 125.305041][ C1] Call Trace: [ 125.308162][ C1] [ 125.310917][ C1] dump_stack_lvl+0x1e2/0x24b [ 125.315367][ C1] ? panic+0x80b/0x80b [ 125.319277][ C1] ? bfq_pos_tree_add_move+0x43b/0x43b [ 125.324567][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 125.329865][ C1] ? vprintk_func+0x19d/0x1e0 [ 125.334376][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 125.339063][ C1] ? printk+0xd1/0x111 [ 125.342969][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 125.348870][ C1] dump_stack+0x15/0x17 [ 125.352862][ C1] nmi_trigger_cpumask_backtrace+0x2b5/0x300 [ 125.358678][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 125.364581][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 125.370314][ C1] rcu_dump_cpu_stacks+0x199/0x2b0 [ 125.375277][ C1] rcu_sched_clock_irq+0xf8a/0x1890 [ 125.380310][ C1] ? rcutree_dead_cpu+0x340/0x340 [ 125.385168][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 125.390186][ C1] update_process_times+0x198/0x200 [ 125.395221][ C1] tick_sched_timer+0x188/0x240 [ 125.400127][ C1] ? tick_setup_sched_timer+0x480/0x480 [ 125.405482][ C1] __hrtimer_run_queues+0x3d7/0xa50 [ 125.410520][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 125.415472][ C1] ? clockevents_program_event+0x214/0x2c0 [ 125.421107][ C1] ? ktime_get_update_offsets_now+0x266/0x280 [ 125.427014][ C1] hrtimer_interrupt+0x39a/0x8b0 [ 125.431786][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 125.437512][ C1] asm_call_irq_on_stack+0xf/0x20 [ 125.442367][ C1] [ 125.445148][ C1] sysvec_apic_timer_interrupt+0x85/0xe0 [ 125.450616][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 125.456431][ C1] RIP: 0010:kvm_wait+0xfc/0x150 [ 125.461119][ 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 [ 125.480559][ C1] RSP: 0018:ffffc90000b76b00 EFLAGS: 00000246 [ 125.486476][ C1] RAX: 0000000000000003 RBX: 1ffff9200016ed64 RCX: ffffffff8150b3d4 [ 125.494272][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000b76b40 [ 125.502083][ C1] RBP: ffffc90000b76bb0 R08: dffffc0000000000 R09: fffffbfff0d9e1ae [ 125.509900][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 125.517710][ C1] R13: ffffffff86cf0d6c R14: 0000000000000003 R15: 0000000000000246 [ 125.525537][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 125.531599][ C1] ? asm_sysvec_call_function_single+0x12/0x20 [ 125.537583][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 125.542532][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 125.548629][ C1] __pv_queued_spin_lock_slowpath+0x72f/0xc70 [ 125.554517][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 125.560765][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 125.565529][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 125.570566][ C1] ? kvmalloc_node+0x82/0x130 [ 125.575091][ C1] ? __kasan_check_read+0x11/0x20 [ 125.579936][ C1] get_dist_table+0x207/0x2e0 [ 125.584452][ C1] netem_change+0x974/0x1fb0 [ 125.588877][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 125.593649][ C1] ? do_syscall_64+0x34/0x70 [ 125.598086][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 125.603979][ C1] ? netem_destroy+0xc0/0xc0 [ 125.608411][ C1] ? hrtimer_init+0x33/0x160 [ 125.612831][ C1] netem_init+0x5b/0xb0 [ 125.616824][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 125.621943][ C1] qdisc_create+0x879/0x12d0 [ 125.626376][ C1] ? qdisc_notify+0x370/0x370 [ 125.630905][ C1] ? __nla_parse+0x43/0x60 [ 125.635150][ C1] tc_modify_qdisc+0x8a4/0x13f0 [ 125.639839][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 125.645554][ C1] ? mutex_trylock+0xa0/0xa0 [ 125.649981][ C1] ? ns_capable+0x89/0xe0 [ 125.654144][ C1] ? netlink_net_capable+0x125/0x160 [ 125.659267][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 125.664996][ C1] rtnetlink_rcv_msg+0x955/0xc50 [ 125.669769][ C1] ? __kasan_check_write+0x14/0x20 [ 125.674714][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 125.679401][ C1] ? rtnetlink_bind+0x80/0x80 [ 125.683915][ C1] ? __kasan_check_write+0x14/0x20 [ 125.688863][ C1] ? avc_node_replace+0x1e0/0x310 [ 125.693835][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 125.699467][ C1] ? avc_update_node+0x2f8/0x710 [ 125.704245][ C1] ? avc_denied+0x13f/0x1b0 [ 125.708595][ C1] ? avc_has_perm+0x275/0x400 [ 125.713191][ C1] ? __kasan_slab_alloc+0xb1/0xe0 [ 125.718040][ C1] ? slab_post_alloc_hook+0x61/0x2f0 [ 125.723157][ C1] ? kmem_cache_alloc+0x168/0x2e0 [ 125.728015][ C1] ? avc_has_perm_noaudit+0x240/0x240 [ 125.733226][ C1] ? iov_iter_advance+0x258/0xb20 [ 125.738084][ C1] netlink_rcv_skb+0x1cf/0x410 [ 125.742686][ C1] ? rtnetlink_bind+0x80/0x80 [ 125.747197][ C1] ? netlink_ack+0xb30/0xb30 [ 125.751623][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 125.756483][ C1] rtnetlink_rcv+0x1c/0x20 [ 125.760738][ C1] netlink_unicast+0x8df/0xac0 [ 125.765436][ C1] ? netlink_detachskb+0x90/0x90 [ 125.770202][ C1] ? security_netlink_send+0x7b/0xa0 [ 125.775330][ C1] netlink_sendmsg+0xa46/0xd00 [ 125.779918][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 125.784951][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 125.790247][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 125.795281][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 125.799881][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 125.804743][ C1] ? import_iovec+0xe5/0x120 [ 125.809168][ C1] ___sys_sendmsg+0x252/0x2e0 [ 125.813683][ C1] ? __sys_sendmsg+0x280/0x280 [ 125.818278][ C1] ? finish_task_switch+0x130/0x5a0 [ 125.823317][ C1] ? __schedule+0xbee/0x1330 [ 125.827768][ C1] ? __kasan_check_write+0x14/0x20 [ 125.832692][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 125.837635][ C1] ? __fdget+0x1bc/0x240 [ 125.841720][ C1] __se_sys_sendmsg+0x1b1/0x280 [ 125.846400][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 125.851436][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 125.856210][ C1] ? fpu__clear_all+0x20/0x20 [ 125.860726][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 125.865322][ C1] do_syscall_64+0x34/0x70 [ 125.869666][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 125.875390][ C1] RIP: 0033:0x7fa1852728b9 [ 125.879658][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 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 b0 ff ff ff f7 d8 64 89 01 48 [ 125.899083][ C1] RSP: 002b:00007fa185233238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 125.907500][ C1] RAX: ffffffffffffffda RBX: 00007fa1852fc328 RCX: 00007fa1852728b9 [ 125.915318][ C1] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000003 [ 125.923126][ C1] RBP: 00007fa1852fc320 R08: 000000000000000b R09: 00007fa1852336c0 [ 125.930934][ C1] R10: 000000000000000c R11: 0000000000000246 R12: 00007fa1852c918c [ 125.938746][ C1] R13: 0000000000000002 R14: 00007ffc0e8d4580 R15: 00007ffc0e8d4668 [ 264.911042][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor385:295] [ 264.919436][ C1] Modules linked in: [ 264.923170][ C1] CPU: 1 PID: 295 Comm: syz-executor385 Not tainted 5.10.189-syzkaller-00615-gc6a1fbd8e4aa #0 [ 264.933237][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 264.943349][ C1] RIP: 0010:kvm_wait+0xfc/0x150 [ 264.947913][ 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 [ 264.967873][ C1] RSP: 0018:ffffc90000b76b00 EFLAGS: 00000246 [ 264.973779][ C1] RAX: 0000000000000003 RBX: 1ffff9200016ed64 RCX: ffffffff8150b3d4 [ 264.981669][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000b76b40 [ 264.989483][ C1] RBP: ffffc90000b76bb0 R08: dffffc0000000000 R09: fffffbfff0d9e1ae [ 264.997295][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.005103][ C1] R13: ffffffff86cf0d6c R14: 0000000000000003 R15: 0000000000000246 [ 265.012920][ C1] FS: 00007fa1852336c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 265.021682][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.028104][ C1] CR2: 0000000000000000 CR3: 000000011edd4000 CR4: 00000000003506a0 [ 265.035917][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.043726][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.051537][ C1] Call Trace: [ 265.054664][ C1] [ 265.057408][ C1] ? show_regs+0x58/0x60 [ 265.061457][ C1] ? watchdog_timer_fn+0x471/0x590 [ 265.066386][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.071584][ C1] ? __hrtimer_run_queues+0x3d7/0xa50 [ 265.076709][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 265.081687][ C1] ? clockevents_program_event+0x214/0x2c0 [ 265.087304][ C1] ? ktime_get_update_offsets_now+0x266/0x280 [ 265.093201][ C1] ? hrtimer_interrupt+0x39a/0x8b0 [ 265.098161][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.104092][ C1] ? asm_call_irq_on_stack+0xf/0x20 [ 265.109081][ C1] [ 265.111907][ C1] ? sysvec_apic_timer_interrupt+0x85/0xe0 [ 265.117506][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 265.123559][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 265.129568][ C1] ? kvm_wait+0xfc/0x150 [ 265.133648][ C1] ? asm_sysvec_call_function_single+0x12/0x20 [ 265.139634][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 265.144582][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 265.150661][ C1] __pv_queued_spin_lock_slowpath+0x72f/0xc70 [ 265.156564][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 265.162808][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 265.167585][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.172662][ C1] ? kvmalloc_node+0x82/0x130 [ 265.177153][ C1] ? __kasan_check_read+0x11/0x20 [ 265.182012][ C1] get_dist_table+0x207/0x2e0 [ 265.186508][ C1] netem_change+0x974/0x1fb0 [ 265.190999][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.195714][ C1] ? do_syscall_64+0x34/0x70 [ 265.200133][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 265.206045][ C1] ? netem_destroy+0xc0/0xc0 [ 265.210462][ C1] ? hrtimer_init+0x33/0x160 [ 265.214885][ C1] netem_init+0x5b/0xb0 [ 265.218878][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 265.223997][ C1] qdisc_create+0x879/0x12d0 [ 265.228431][ C1] ? qdisc_notify+0x370/0x370 [ 265.232998][ C1] ? __nla_parse+0x43/0x60 [ 265.237189][ C1] tc_modify_qdisc+0x8a4/0x13f0 [ 265.241878][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 265.247610][ C1] ? mutex_trylock+0xa0/0xa0 [ 265.252061][ C1] ? ns_capable+0x89/0xe0 [ 265.256199][ C1] ? netlink_net_capable+0x125/0x160 [ 265.261318][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 265.267103][ C1] rtnetlink_rcv_msg+0x955/0xc50 [ 265.271824][ C1] ? __kasan_check_write+0x14/0x20 [ 265.276771][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 265.281494][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.285973][ C1] ? __kasan_check_write+0x14/0x20 [ 265.290995][ C1] ? avc_node_replace+0x1e0/0x310 [ 265.295781][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 265.301508][ C1] ? avc_update_node+0x2f8/0x710 [ 265.306281][ C1] ? avc_denied+0x13f/0x1b0 [ 265.310615][ C1] ? avc_has_perm+0x275/0x400 [ 265.315136][ C1] ? __kasan_slab_alloc+0xb1/0xe0 [ 265.320002][ C1] ? slab_post_alloc_hook+0x61/0x2f0 [ 265.325110][ C1] ? kmem_cache_alloc+0x168/0x2e0 [ 265.329986][ C1] ? avc_has_perm_noaudit+0x240/0x240 [ 265.335217][ C1] ? iov_iter_advance+0x258/0xb20 [ 265.340040][ C1] netlink_rcv_skb+0x1cf/0x410 [ 265.344729][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.349240][ C1] ? netlink_ack+0xb30/0xb30 [ 265.353700][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 265.358528][ C1] rtnetlink_rcv+0x1c/0x20 [ 265.362778][ C1] netlink_unicast+0x8df/0xac0 [ 265.367381][ C1] ? netlink_detachskb+0x90/0x90 [ 265.372189][ C1] ? security_netlink_send+0x7b/0xa0 [ 265.377272][ C1] netlink_sendmsg+0xa46/0xd00 [ 265.381888][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 265.386913][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 265.392200][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 265.397241][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 265.401836][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 265.406698][ C1] ? import_iovec+0xe5/0x120 [ 265.411127][ C1] ___sys_sendmsg+0x252/0x2e0 [ 265.415635][ C1] ? __sys_sendmsg+0x280/0x280 [ 265.420301][ C1] ? finish_task_switch+0x130/0x5a0 [ 265.425270][ C1] ? __schedule+0xbee/0x1330 [ 265.429702][ C1] ? __kasan_check_write+0x14/0x20 [ 265.434643][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.439601][ C1] ? __fdget+0x1bc/0x240 [ 265.443668][ C1] __se_sys_sendmsg+0x1b1/0x280 [ 265.448356][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.453392][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 265.458199][ C1] ? fpu__clear_all+0x20/0x20 [ 265.462676][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 265.467287][ C1] do_syscall_64+0x34/0x70 [ 265.471530][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 265.477260][ C1] RIP: 0033:0x7fa1852728b9 [ 265.481513][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 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 b0 ff ff ff f7 d8 64 89 01 48 [ 265.500951][ C1] RSP: 002b:00007fa185233238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.509196][ C1] RAX: ffffffffffffffda RBX: 00007fa1852fc328 RCX: 00007fa1852728b9 [ 265.517009][ C1] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000003 [ 265.524822][ C1] RBP: 00007fa1852fc320 R08: 000000000000000b R09: 00007fa1852336c0 [ 265.532631][ C1] R10: 000000000000000c R11: 0000000000000246 R12: 00007fa1852c918c [ 265.540442][ C1] R13: 0000000000000002 R14: 00007ffc0e8d4580 R15: 00007ffc0e8d4668