./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor558159781 <...> Warning: Permanently added '10.128.0.139' (ED25519) to the list of known hosts. execve("./syz-executor558159781", ["./syz-executor558159781"], 0x7ffdc1bf98b0 /* 10 vars */) = 0 brk(NULL) = 0x55555644b000 brk(0x55555644bd00) = 0x55555644bd00 arch_prctl(ARCH_SET_FS, 0x55555644b380) = 0 set_tid_address(0x55555644b650) = 293 set_robust_list(0x55555644b660, 24) = 0 rseq(0x55555644bca0, 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-executor558159781", 4096) = 27 getrandom("\x28\x7e\x8f\xae\xf5\x64\x83\x95", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555644bd00 brk(0x55555646cd00) = 0x55555646cd00 brk(0x55555646d000) = 0x55555646d000 mprotect(0x7f6056d7d000, 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=0x55555644b650) = 294 ./strace-static-x86_64: Process 294 attached [pid 294] set_robust_list(0x55555644b660, 24) = 0 [pid 294] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 294] setsid() = 1 [pid 294] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 294] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 294] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 294] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 294] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 294] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 294] unshare(CLONE_NEWNS) = 0 [pid 294] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 294] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 294] unshare(CLONE_NEWCGROUP) = 0 [pid 294] unshare(CLONE_NEWUTS) = 0 [pid 294] unshare(CLONE_SYSVSEM) = 0 [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] getpid() = 1 [pid 294] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 22.240560][ T30] audit: type=1400 audit(1691218635.991:66): avc: denied { execmem } for pid=293 comm="syz-executor558" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.245228][ T30] audit: type=1400 audit(1691218636.001:67): avc: denied { mounton } for pid=294 comm="syz-executor558" 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 [ 22.251472][ T30] audit: type=1400 audit(1691218636.001:68): avc: denied { mount } for pid=294 comm="syz-executor558" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 22.258091][ T30] audit: type=1400 audit(1691218636.001:69): avc: denied { mounton } for pid=294 comm="syz-executor558" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 22.274112][ T30] audit: type=1400 audit(1691218636.021:70): avc: denied { mounton } for pid=294 comm="syz-executor558" path="/dev/binderfs" dev="devtmpfs" ino=362 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 22.297455][ T30] audit: type=1400 audit(1691218636.021:71): avc: denied { mount } for pid=294 comm="syz-executor558" 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="\xb0\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\x80\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=176}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_CONFIRM|MSG_NOSIGNAL|MSG_ZEROCOPY [pid 294] kill(-2, SIGKILL) = 0 [pid 294] kill(2, SIGKILL) = 0 [pid 294] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 294] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 294] getdents64(3, 0x55555644c6f0 /* 2 entries */, 32768) = 48 [pid 294] getdents64(3, 0x55555644c6f0 /* 0 entries */, 32768) = 0 [pid 294] close(3) = 0 [ 122.283373][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 122.290132][ C0] (detected by 0, t=10002 jiffies, g=361, q=2203) [ 122.296463][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294949436-4294939434), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 122.309655][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g361 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 122.320510][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 122.330311][ C0] rcu: RCU grace-period kthread stack dump: [ 122.336138][ C0] task:rcu_preempt state:R running task stack:28328 pid: 14 ppid: 2 flags:0x00004000 [ 122.346876][ C0] Call Trace: [ 122.349994][ C0] [ 122.352858][ C0] __schedule+0xcbe/0x1580 [ 122.357112][ C0] ? release_firmware_map_entry+0x18f/0x18f [ 122.362837][ C0] ? __kasan_check_write+0x14/0x20 [ 122.367815][ C0] schedule+0x11f/0x1e0 [ 122.372038][ C0] schedule_timeout+0x18c/0x370 [ 122.376732][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 122.381768][ C0] ? console_conditional_schedule+0x30/0x30 [ 122.387495][ C0] ? update_process_times+0x200/0x200 [ 122.392695][ C0] ? prepare_to_swait_event+0x308/0x320 [ 122.398089][ C0] rcu_gp_fqs_loop+0x29f/0xe60 [ 122.402763][ C0] ? debug_smp_processor_id+0x17/0x20 [ 122.407973][ C0] ? __note_gp_changes+0x4ab/0x920 [ 122.412919][ C0] ? rcu_gp_init+0xc20/0xc20 [ 122.417354][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 122.422383][ C0] ? rcu_gp_init+0x9c5/0xc20 [ 122.426814][ C0] rcu_gp_kthread+0xa4/0x350 [ 122.431237][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 122.435917][ C0] ? rcu_barrier_callback+0x50/0x50 [ 122.440950][ C0] ? __kasan_check_read+0x11/0x20 [ 122.445934][ C0] ? __kthread_parkme+0xb2/0x200 [ 122.450704][ C0] kthread+0x421/0x510 [ 122.454696][ C0] ? rcu_barrier_callback+0x50/0x50 [ 122.459725][ C0] ? kthread_blkcg+0xd0/0xd0 [ 122.464151][ C0] ret_from_fork+0x1f/0x30 [ 122.468406][ C0] [ 122.471268][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 122.477433][ C0] NMI backtrace for cpu 0 [ 122.481597][ C0] CPU: 0 PID: 295 Comm: syz-executor558 Not tainted 5.15.120-syzkaller-00229-g748fd0d9ca0f #0 [ 122.491665][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 122.501680][ C0] Call Trace: [ 122.504898][ C0] [ 122.507580][ C0] dump_stack_lvl+0x151/0x1b7 [ 122.512094][ C0] ? io_uring_drop_tctx_refs+0x190/0x190 [ 122.517650][ C0] dump_stack+0x15/0x17 [ 122.521641][ C0] nmi_cpu_backtrace+0x2f7/0x300 [ 122.526414][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 122.532404][ C0] ? panic+0x751/0x751 [ 122.536309][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 122.542236][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 122.548032][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 122.553930][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 122.559788][ C0] rcu_check_gp_kthread_starvation+0x1e3/0x250 [ 122.565748][ C0] print_other_cpu_stall+0x112d/0x1340 [ 122.571230][ C0] ? generic_exec_single+0x271/0x400 [ 122.576343][ C0] ? rcu_stall_kick_kthreads+0x240/0x240 [ 122.582078][ C0] ? timekeeping_update+0x392/0x460 [ 122.587103][ C0] rcu_sched_clock_irq+0x97c/0x18e0 [ 122.592137][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 122.598121][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 122.603154][ C0] update_process_times+0x198/0x200 [ 122.608192][ C0] tick_sched_timer+0x188/0x240 [ 122.612874][ C0] ? tick_setup_sched_timer+0x480/0x480 [ 122.618778][ C0] __hrtimer_run_queues+0x41a/0xad0 [ 122.623812][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 122.628758][ C0] ? clockevents_program_event+0x22f/0x300 [ 122.634414][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 122.640589][ C0] hrtimer_interrupt+0x40c/0xaa0 [ 122.645357][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 122.651085][ C0] sysvec_apic_timer_interrupt+0x95/0xc0 [ 122.656808][ C0] [ 122.659737][ C0] [ 122.662515][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 122.668456][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 122.673366][ 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 [ 122.692799][ C0] RSP: 0018:ffffc900007deb00 EFLAGS: 00000246 [ 122.698708][ C0] RAX: 0000000000000003 RBX: 1ffff920000fbd64 RCX: ffffffff8154c8bf [ 122.706513][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3bdec [ 122.714322][ C0] RBP: ffffc900007debb0 R08: dffffc0000000000 R09: fffffbfff0de77be [ 122.722131][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 122.729952][ C0] R13: ffffffff86f3bdec R14: 0000000000000003 R15: 1ffff920000fbd68 [ 122.737761][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 122.744026][ C0] ? asm_common_interrupt+0x27/0x40 [ 122.749050][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 122.754007][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 122.760072][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 122.766064][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 122.772310][ C0] ? __kmalloc+0x13a/0x270 [ 122.776711][ C0] ? kvmalloc_node+0x1f0/0x4d0 [ 122.781250][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 122.786092][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 122.791069][ C0] ? __kasan_check_read+0x11/0x20 [ 122.795921][ C0] get_dist_table+0x207/0x2e0 [ 122.800433][ C0] netem_change+0xa05/0x20c0 [ 122.804861][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 122.809629][ C0] ? do_syscall_64+0x3d/0xb0 [ 122.814056][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 122.819963][ C0] ? netem_destroy+0xc0/0xc0 [ 122.824389][ C0] ? hrtimer_init+0x30/0x160 [ 122.828815][ C0] netem_init+0x5b/0xb0 [ 122.832809][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 122.837935][ C0] qdisc_create+0x890/0x12e0 [ 122.842357][ C0] ? qdisc_notify+0x370/0x370 [ 122.846876][ C0] ? __nla_parse+0x43/0x60 [ 122.851143][ C0] tc_modify_qdisc+0x8b4/0x14b0 [ 122.855837][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 122.861728][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 122.868135][ C0] ? ns_capable+0x89/0xe0 [ 122.872297][ C0] ? netlink_net_capable+0x125/0x160 [ 122.877430][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 122.883153][ C0] rtnetlink_rcv_msg+0x951/0xc40 [ 122.887926][ C0] ? rtnetlink_bind+0x80/0x80 [ 122.893077][ C0] ? avc_denied+0x13f/0x1b0 [ 122.897380][ C0] ? avc_has_perm_noaudit+0x2dd/0x430 [ 122.902595][ C0] ? avc_denied+0x1b0/0x1b0 [ 122.906929][ C0] ? avc_has_perm+0x16f/0x260 [ 122.911439][ C0] ? ____kasan_kmalloc+0xed/0x110 [ 122.916299][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 122.921508][ C0] ? do_syscall_64+0x3d/0xb0 [ 122.925936][ C0] netlink_rcv_skb+0x1cf/0x410 [ 122.930630][ C0] ? rtnetlink_bind+0x80/0x80 [ 122.935138][ C0] ? netlink_ack+0xb10/0xb10 [ 122.939562][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 122.944434][ C0] rtnetlink_rcv+0x1c/0x20 [ 122.948677][ C0] netlink_unicast+0x8df/0xac0 [ 122.953277][ C0] ? netlink_detachskb+0x90/0x90 [ 122.958049][ C0] ? security_netlink_send+0x7b/0xa0 [ 122.963601][ C0] netlink_sendmsg+0xa0a/0xd20 [ 122.968203][ C0] ? netlink_getsockopt+0x560/0x560 [ 122.973237][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 122.978545][ C0] ? netlink_getsockopt+0x560/0x560 [ 122.983564][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 122.988166][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 122.993029][ C0] ? import_iovec+0xe5/0x120 [ 122.997460][ C0] ___sys_sendmsg+0x252/0x2e0 [ 123.001966][ C0] ? __sys_sendmsg+0x260/0x260 [ 123.006566][ C0] ? finish_task_switch+0x167/0x7b0 [ 123.011601][ C0] ? __schedule+0xcc6/0x1580 [ 123.016039][ C0] ? __kasan_check_write+0x14/0x20 [ 123.020984][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 123.026010][ C0] ? __kasan_check_read+0x11/0x20 [ 123.030866][ C0] ? __fdget+0x179/0x240 [ 123.035072][ C0] __se_sys_sendmsg+0x19a/0x260 [ 123.039719][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 123.044756][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 123.049623][ C0] ? __kasan_check_read+0x11/0x20 [ 123.054485][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 123.059086][ C0] do_syscall_64+0x3d/0xb0 [ 123.063337][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 123.069059][ C0] RIP: 0033:0x7f6056d0a009 [ 123.073327][ 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 [ 123.092905][ C0] RSP: 002b:00007ffee8b71b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 123.101084][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6056d0a009 [ 123.108903][ C0] RDX: 0000000004004800 RSI: 0000000020000440 RDI: 0000000000000003 [ 123.116706][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 000055555644c610 [ 123.124519][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 123.132338][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 123.140146][ C0] [ 265.171855][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 245s! [syz-executor558:295] [ 265.180272][ C0] Modules linked in: [ 265.183998][ C0] CPU: 0 PID: 295 Comm: syz-executor558 Not tainted 5.15.120-syzkaller-00229-g748fd0d9ca0f #0 [ 265.194067][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 265.203962][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 265.208735][ 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 [ 265.228782][ C0] RSP: 0018:ffffc900007deb00 EFLAGS: 00000246 [ 265.234683][ C0] RAX: 0000000000000003 RBX: 1ffff920000fbd64 RCX: ffffffff8154c8bf [ 265.242494][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3bdec [ 265.250309][ C0] RBP: ffffc900007debb0 R08: dffffc0000000000 R09: fffffbfff0de77be [ 265.258118][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.265929][ C0] R13: ffffffff86f3bdec R14: 0000000000000003 R15: 1ffff920000fbd68 [ 265.273747][ C0] FS: 000055555644b380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 265.282510][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.288929][ C0] CR2: 0000000000000000 CR3: 000000011df93000 CR4: 00000000003506b0 [ 265.296745][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.304649][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.312450][ C0] Call Trace: [ 265.315589][ C0] [ 265.318399][ C0] ? show_regs+0x58/0x60 [ 265.322434][ C0] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.327469][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.332588][ C0] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.337802][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.343613][ C0] ? clockevents_program_event+0x22f/0x300 [ 265.349266][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.355523][ C0] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.360461][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.366364][ C0] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.372002][ C0] [ 265.374787][ C0] [ 265.377556][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.383557][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.389622][ C0] ? kvm_wait+0x147/0x180 [ 265.393798][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.399777][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 265.404814][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.410886][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 265.416791][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.423037][ C0] ? __kmalloc+0x13a/0x270 [ 265.427389][ C0] ? kvmalloc_node+0x1f0/0x4d0 [ 265.431980][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 265.436757][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.441784][ C0] ? __kasan_check_read+0x11/0x20 [ 265.446645][ C0] get_dist_table+0x207/0x2e0 [ 265.451157][ C0] netem_change+0xa05/0x20c0 [ 265.455586][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.460358][ C0] ? do_syscall_64+0x3d/0xb0 [ 265.464785][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.470687][ C0] ? netem_destroy+0xc0/0xc0 [ 265.475138][ C0] ? hrtimer_init+0x30/0x160 [ 265.479541][ C0] netem_init+0x5b/0xb0 [ 265.483556][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 265.488653][ C0] qdisc_create+0x890/0x12e0 [ 265.493083][ C0] ? qdisc_notify+0x370/0x370 [ 265.497591][ C0] ? __nla_parse+0x43/0x60 [ 265.501844][ C0] tc_modify_qdisc+0x8b4/0x14b0 [ 265.506563][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.512262][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 265.518683][ C0] ? ns_capable+0x89/0xe0 [ 265.522848][ C0] ? netlink_net_capable+0x125/0x160 [ 265.527971][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.533711][ C0] rtnetlink_rcv_msg+0x951/0xc40 [ 265.538494][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.544138][ C0] ? avc_denied+0x13f/0x1b0 [ 265.548474][ C0] ? avc_has_perm_noaudit+0x2dd/0x430 [ 265.553848][ C0] ? avc_denied+0x1b0/0x1b0 [ 265.558198][ C0] ? avc_has_perm+0x16f/0x260 [ 265.562704][ C0] ? ____kasan_kmalloc+0xed/0x110 [ 265.567691][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 265.572892][ C0] ? do_syscall_64+0x3d/0xb0 [ 265.577409][ C0] netlink_rcv_skb+0x1cf/0x410 [ 265.582014][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.586523][ C0] ? netlink_ack+0xb10/0xb10 [ 265.590944][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 265.595808][ C0] rtnetlink_rcv+0x1c/0x20 [ 265.600067][ C0] netlink_unicast+0x8df/0xac0 [ 265.604658][ C0] ? netlink_detachskb+0x90/0x90 [ 265.609516][ C0] ? security_netlink_send+0x7b/0xa0 [ 265.614638][ C0] netlink_sendmsg+0xa0a/0xd20 [ 265.619239][ C0] ? netlink_getsockopt+0x560/0x560 [ 265.624274][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 265.629565][ C0] ? netlink_getsockopt+0x560/0x560 [ 265.634600][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 265.639201][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 265.644095][ C0] ? import_iovec+0xe5/0x120 [ 265.648488][ C0] ___sys_sendmsg+0x252/0x2e0 [ 265.653000][ C0] ? __sys_sendmsg+0x260/0x260 [ 265.657600][ C0] ? finish_task_switch+0x167/0x7b0 [ 265.662641][ C0] ? __schedule+0xcc6/0x1580 [ 265.667084][ C0] ? __kasan_check_write+0x14/0x20 [ 265.672006][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.676955][ C0] ? __kasan_check_read+0x11/0x20 [ 265.681815][ C0] ? __fdget+0x179/0x240 [ 265.685980][ C0] __se_sys_sendmsg+0x19a/0x260 [ 265.690669][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.695702][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 265.700506][ C0] ? __kasan_check_read+0x11/0x20 [ 265.705341][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 265.709939][ C0] do_syscall_64+0x3d/0xb0 [ 265.714202][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.719920][ C0] RIP: 0033:0x7f6056d0a009 [ 265.724173][ 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 [ 265.743639][ C0] RSP: 002b:00007ffee8b71b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.751945][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6056d0a009 [ 265.759761][ C0] RDX: 0000000004004800 RSI: 0000000020000440 RDI: 0000000000000003 [ 265.767568][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 000055555644c610 [ 265.775379][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.783193][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 265.791006][ C0]