./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2744262818 <...> :system_r:sshd_t tclass=fifo_file permissive=1 [ 13.077419][ T30] audit: type=1400 audit(1693270411.870:64): 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 [ 13.083333][ T30] audit: type=1400 audit(1693270411.870:65): 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 '10.128.10.0' (ED25519) to the list of known hosts. execve("./syz-executor2744262818", ["./syz-executor2744262818"], 0x7ffc779e61b0 /* 10 vars */) = 0 brk(NULL) = 0x5555562b9000 brk(0x5555562b9d00) = 0x5555562b9d00 arch_prctl(ARCH_SET_FS, 0x5555562b9380) = 0 set_tid_address(0x5555562b9650) = 294 set_robust_list(0x5555562b9660, 24) = 0 rseq(0x5555562b9ca0, 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-executor2744262818", 4096) = 28 getrandom("\x4d\x9b\x87\xbe\x6c\x77\xf5\xe6", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555562b9d00 brk(0x5555562dad00) = 0x5555562dad00 brk(0x5555562db000) = 0x5555562db000 mprotect(0x7fd1f0a62000, 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=0x5555562b9650) = 295 ./strace-static-x86_64: Process 295 attached [pid 295] set_robust_list(0x5555562b9660, 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 [ 22.371711][ T30] audit: type=1400 audit(1693270421.180:66): avc: denied { execmem } for pid=294 comm="syz-executor274" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.379481][ T30] audit: type=1400 audit(1693270421.180:67): avc: denied { mounton } for pid=295 comm="syz-executor274" 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 [ 22.389019][ T30] audit: type=1400 audit(1693270421.180:68): avc: denied { mount } for pid=295 comm="syz-executor274" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 22.407413][ T30] audit: type=1400 audit(1693270421.180:69): avc: denied { mounton } for pid=295 comm="syz-executor274" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 22.428825][ T30] audit: type=1400 audit(1693270421.200:70): avc: denied { mounton } for pid=295 comm="syz-executor274" path="/dev/binderfs" dev="devtmpfs" ino=362 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 22.451766][ T30] audit: type=1400 audit(1693270421.200:71): avc: denied { mount } for pid=295 comm="syz-executor274" 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="\x78\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\x48\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\x0d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=120}], 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, 0x5555562ba6f0 /* 2 entries */, 32768) = 48 [pid 295] getdents64(3, 0x5555562ba6f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [ 122.401223][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 122.407989][ C0] (detected by 0, t=10002 jiffies, g=605, q=2530) [ 122.414318][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10000 (4294949455-4294939455), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 122.427523][ C0] rcu: rcu_preempt kthread starved for 10000 jiffies! g605 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 122.438372][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 122.448176][ C0] rcu: RCU grace-period kthread stack dump: [ 122.453896][ C0] task:rcu_preempt state:R running task stack:28288 pid: 14 ppid: 2 flags:0x00004000 [ 122.464494][ C0] Call Trace: [ 122.467615][ C0] [ 122.470394][ C0] __schedule+0xcbe/0x1580 [ 122.474645][ C0] ? release_firmware_map_entry+0x18f/0x18f [ 122.480369][ C0] ? del_timer_sync+0x1bc/0x230 [ 122.485062][ C0] ? __kasan_check_write+0x14/0x20 [ 122.490000][ C0] schedule+0x11f/0x1e0 [ 122.493996][ C0] schedule_timeout+0x18c/0x370 [ 122.498690][ C0] ? __kasan_check_write+0x14/0x20 [ 122.503630][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 122.508925][ C0] ? console_conditional_schedule+0x30/0x30 [ 122.514659][ C0] ? update_process_times+0x200/0x200 [ 122.519859][ C0] ? prepare_to_swait_event+0x308/0x320 [ 122.525260][ C0] rcu_gp_fqs_loop+0x29f/0xe60 [ 122.529840][ C0] ? dump_blkd_tasks+0x7e0/0x7e0 [ 122.534616][ C0] ? rcu_gp_init+0xc20/0xc20 [ 122.539049][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 122.544078][ C0] ? rcu_gp_init+0x9c5/0xc20 [ 122.548505][ C0] rcu_gp_kthread+0xa4/0x350 [ 122.552928][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 122.557631][ C0] ? rcu_barrier_callback+0x50/0x50 [ 122.562646][ C0] ? __kasan_check_read+0x11/0x20 [ 122.567510][ C0] ? __kthread_parkme+0xb2/0x200 [ 122.572283][ C0] kthread+0x421/0x510 [ 122.576185][ C0] ? rcu_barrier_callback+0x50/0x50 [ 122.581222][ C0] ? kthread_blkcg+0xd0/0xd0 [ 122.585647][ C0] ret_from_fork+0x1f/0x30 [ 122.589903][ C0] [ 122.592766][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 122.599723][ C0] NMI backtrace for cpu 0 [ 122.603887][ C0] CPU: 0 PID: 296 Comm: syz-executor274 Not tainted 5.15.123-syzkaller-00688-g83c56fbab45d #0 [ 122.613954][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 122.623853][ C0] Call Trace: [ 122.627060][ C0] [ 122.629864][ C0] dump_stack_lvl+0x151/0x1b7 [ 122.634373][ C0] ? io_uring_drop_tctx_refs+0x190/0x190 [ 122.639845][ C0] dump_stack+0x15/0x17 [ 122.643842][ C0] nmi_cpu_backtrace+0x2f7/0x300 [ 122.648618][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 122.654599][ C0] ? panic+0x751/0x751 [ 122.658501][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 122.664406][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 122.670220][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 122.676121][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 122.681965][ C0] rcu_check_gp_kthread_starvation+0x1e3/0x250 [ 122.687960][ C0] print_other_cpu_stall+0x112d/0x1340 [ 122.693233][ C0] ? generic_exec_single+0x271/0x400 [ 122.698355][ C0] ? rcu_stall_kick_kthreads+0x240/0x240 [ 122.703838][ C0] ? timekeeping_update+0x392/0x460 [ 122.708867][ C0] rcu_sched_clock_irq+0x97c/0x18e0 [ 122.713888][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 122.719900][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 122.724934][ C0] update_process_times+0x198/0x200 [ 122.729949][ C0] tick_sched_timer+0x188/0x240 [ 122.734651][ C0] ? tick_setup_sched_timer+0x480/0x480 [ 122.740013][ C0] __hrtimer_run_queues+0x41a/0xad0 [ 122.745097][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 122.750005][ C0] ? clockevents_program_event+0x22f/0x300 [ 122.755641][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 122.761539][ C0] hrtimer_interrupt+0x40c/0xaa0 [ 122.766317][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 122.772050][ C0] sysvec_apic_timer_interrupt+0x95/0xc0 [ 122.777554][ C0] [ 122.780295][ C0] [ 122.783065][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 122.788878][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 122.793654][ 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 [ 122.813102][ C0] RSP: 0018:ffffc90000976b00 EFLAGS: 00000246 [ 122.819148][ C0] RAX: 0000000000000003 RBX: 1ffff9200012ed64 RCX: ffffffff8154cfdf [ 122.827163][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3c3ec [ 122.835168][ C0] RBP: ffffc90000976bb0 R08: dffffc0000000000 R09: fffffbfff0de787e [ 122.843083][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 122.850898][ C0] R13: ffffffff86f3c3ec R14: 0000000000000003 R15: 1ffff9200012ed68 [ 122.858706][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 122.864781][ C0] ? asm_sysvec_call_function_single+0x1b/0x20 [ 122.871025][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 122.875975][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 122.882052][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 122.887953][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 122.894216][ C0] ? __kmalloc+0x13a/0x270 [ 122.898455][ C0] ? kvmalloc_node+0x1f0/0x4d0 [ 122.903079][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 122.907830][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 122.912862][ C0] ? __kasan_check_read+0x11/0x20 [ 122.917724][ C0] get_dist_table+0x207/0x2e0 [ 122.922321][ C0] netem_change+0xa6a/0x20c0 [ 122.926748][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 122.931523][ C0] ? do_syscall_64+0x3d/0xb0 [ 122.935950][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 122.941853][ C0] ? netem_destroy+0xc0/0xc0 [ 122.946283][ C0] ? hrtimer_init+0x30/0x160 [ 122.950789][ C0] netem_init+0x5b/0xb0 [ 122.954783][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 122.959904][ C0] qdisc_create+0x890/0x12e0 [ 122.964329][ C0] ? qdisc_notify+0x370/0x370 [ 122.968931][ C0] ? __nla_parse+0x43/0x60 [ 122.973182][ C0] tc_modify_qdisc+0x8b4/0x14b0 [ 122.977875][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 122.983609][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 122.990021][ C0] ? ns_capable+0x89/0xe0 [ 122.994184][ C0] ? netlink_net_capable+0x125/0x160 [ 122.999479][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 123.005210][ C0] rtnetlink_rcv_msg+0x951/0xc40 [ 123.009986][ C0] ? rtnetlink_bind+0x80/0x80 [ 123.014507][ C0] ? avc_denied+0x13f/0x1b0 [ 123.018840][ C0] ? avc_has_perm_noaudit+0x2dd/0x430 [ 123.024042][ C0] ? avc_denied+0x1b0/0x1b0 [ 123.028384][ C0] ? avc_has_perm+0x16f/0x260 [ 123.032896][ C0] ? ____kasan_kmalloc+0xed/0x110 [ 123.037754][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 123.042965][ C0] ? do_syscall_64+0x3d/0xb0 [ 123.047396][ C0] netlink_rcv_skb+0x1cf/0x410 [ 123.052003][ C0] ? rtnetlink_bind+0x80/0x80 [ 123.056501][ C0] ? netlink_ack+0xb10/0xb10 [ 123.060931][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 123.065892][ C0] rtnetlink_rcv+0x1c/0x20 [ 123.070138][ C0] netlink_unicast+0x8df/0xac0 [ 123.074746][ C0] ? netlink_detachskb+0x90/0x90 [ 123.079608][ C0] ? security_netlink_send+0x7b/0xa0 [ 123.084712][ C0] netlink_sendmsg+0xa0a/0xd20 [ 123.089320][ C0] ? netlink_getsockopt+0x560/0x560 [ 123.094353][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 123.099742][ C0] ? netlink_getsockopt+0x560/0x560 [ 123.104775][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 123.109377][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 123.114234][ C0] ? import_iovec+0xe5/0x120 [ 123.118662][ C0] ___sys_sendmsg+0x252/0x2e0 [ 123.123172][ C0] ? __sys_sendmsg+0x260/0x260 [ 123.127776][ C0] ? finish_task_switch+0x167/0x7b0 [ 123.132819][ C0] ? __schedule+0xcc6/0x1580 [ 123.137236][ C0] ? __kasan_check_write+0x14/0x20 [ 123.142265][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 123.147216][ C0] ? __kasan_check_read+0x11/0x20 [ 123.152076][ C0] ? __fdget+0x179/0x240 [ 123.156154][ C0] __se_sys_sendmsg+0x19a/0x260 [ 123.160842][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 123.165871][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 123.170645][ C0] ? __kasan_check_read+0x11/0x20 [ 123.175508][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 123.180106][ C0] do_syscall_64+0x3d/0xb0 [ 123.184371][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 123.190175][ C0] RIP: 0033:0x7fd1f09eef89 [ 123.194451][ 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 [ 123.214011][ C0] RSP: 002b:00007ffde5114618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 123.222259][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd1f09eef89 [ 123.230162][ C0] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000003 [ 123.237972][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555562ba610 [ 123.245788][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 123.253698][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 123.261510][ C0] [ 265.074208][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 245s! [syz-executor274:296] [ 265.082627][ C0] Modules linked in: [ 265.086357][ C0] CPU: 0 PID: 296 Comm: syz-executor274 Not tainted 5.15.123-syzkaller-00688-g83c56fbab45d #0 [ 265.096422][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 265.106335][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 265.111110][ 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 [ 265.131166][ C0] RSP: 0018:ffffc90000976b00 EFLAGS: 00000246 [ 265.137060][ C0] RAX: 0000000000000003 RBX: 1ffff9200012ed64 RCX: ffffffff8154cfdf [ 265.144912][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3c3ec [ 265.152692][ C0] RBP: ffffc90000976bb0 R08: dffffc0000000000 R09: fffffbfff0de787e [ 265.160506][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.168304][ C0] R13: ffffffff86f3c3ec R14: 0000000000000003 R15: 1ffff9200012ed68 [ 265.176290][ C0] FS: 00005555562b9380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 265.185081][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.191481][ C0] CR2: 0000000000000000 CR3: 000000011f456000 CR4: 00000000003506b0 [ 265.199291][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.207104][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.214915][ C0] Call Trace: [ 265.218039][ C0] [ 265.220732][ C0] ? show_regs+0x58/0x60 [ 265.224818][ C0] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.229757][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.234874][ C0] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.240190][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.245316][ C0] ? clockevents_program_event+0x22f/0x300 [ 265.250946][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.256859][ C0] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.261803][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.267700][ C0] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.273359][ C0] [ 265.276119][ C0] [ 265.278896][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.284972][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.291140][ C0] ? kvm_wait+0x147/0x180 [ 265.295297][ C0] ? asm_sysvec_call_function_single+0x1b/0x20 [ 265.301287][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 265.306235][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.312319][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 265.318217][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.324459][ C0] ? __kmalloc+0x13a/0x270 [ 265.328714][ C0] ? kvmalloc_node+0x1f0/0x4d0 [ 265.333332][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 265.338088][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.343130][ C0] ? __kasan_check_read+0x11/0x20 [ 265.348019][ C0] get_dist_table+0x207/0x2e0 [ 265.352495][ C0] netem_change+0xa6a/0x20c0 [ 265.356921][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.361694][ C0] ? do_syscall_64+0x3d/0xb0 [ 265.366121][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.372024][ C0] ? netem_destroy+0xc0/0xc0 [ 265.376452][ C0] ? hrtimer_init+0x30/0x160 [ 265.380874][ C0] netem_init+0x5b/0xb0 [ 265.384867][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 265.389988][ C0] qdisc_create+0x890/0x12e0 [ 265.394506][ C0] ? qdisc_notify+0x370/0x370 [ 265.399039][ C0] ? __nla_parse+0x43/0x60 [ 265.404083][ C0] tc_modify_qdisc+0x8b4/0x14b0 [ 265.408745][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.414469][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 265.420886][ C0] ? ns_capable+0x89/0xe0 [ 265.425053][ C0] ? netlink_net_capable+0x125/0x160 [ 265.430185][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.435903][ C0] rtnetlink_rcv_msg+0x951/0xc40 [ 265.440675][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.445190][ C0] ? avc_denied+0x13f/0x1b0 [ 265.449527][ C0] ? avc_has_perm_noaudit+0x2dd/0x430 [ 265.454749][ C0] ? avc_denied+0x1b0/0x1b0 [ 265.459081][ C0] ? avc_has_perm+0x16f/0x260 [ 265.463593][ C0] ? ____kasan_kmalloc+0xed/0x110 [ 265.468451][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 265.473657][ C0] ? do_syscall_64+0x3d/0xb0 [ 265.478084][ C0] netlink_rcv_skb+0x1cf/0x410 [ 265.482684][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.487196][ C0] ? netlink_ack+0xb10/0xb10 [ 265.491629][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 265.496511][ C0] rtnetlink_rcv+0x1c/0x20 [ 265.500745][ C0] netlink_unicast+0x8df/0xac0 [ 265.505344][ C0] ? netlink_detachskb+0x90/0x90 [ 265.510111][ C0] ? security_netlink_send+0x7b/0xa0 [ 265.515337][ C0] netlink_sendmsg+0xa0a/0xd20 [ 265.520035][ C0] ? netlink_getsockopt+0x560/0x560 [ 265.525145][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 265.530428][ C0] ? netlink_getsockopt+0x560/0x560 [ 265.536918][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 265.541499][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 265.546357][ C0] ? import_iovec+0xe5/0x120 [ 265.551392][ C0] ___sys_sendmsg+0x252/0x2e0 [ 265.555909][ C0] ? __sys_sendmsg+0x260/0x260 [ 265.560649][ C0] ? finish_task_switch+0x167/0x7b0 [ 265.565725][ C0] ? __schedule+0xcc6/0x1580 [ 265.570240][ C0] ? __kasan_check_write+0x14/0x20 [ 265.575182][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.580132][ C0] ? __kasan_check_read+0x11/0x20 [ 265.584996][ C0] ? __fdget+0x179/0x240 [ 265.589095][ C0] __se_sys_sendmsg+0x19a/0x260 [ 265.593764][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.598794][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 265.603566][ C0] ? __kasan_check_read+0x11/0x20 [ 265.608428][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 265.613030][ C0] do_syscall_64+0x3d/0xb0 [ 265.617439][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.623538][ C0] RIP: 0033:0x7fd1f09eef89 [ 265.627742][ 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 [ 265.647333][ C0] RSP: 002b:00007ffde5114618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.655662][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd1f09eef89 [ 265.663475][ C0] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000003 [ 265.671281][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555562ba610 [ 265.679101][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.687005][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 265.694898][ C0]