./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2019178478 <...> Warning: Permanently added '10.128.0.159' (ED25519) to the list of known hosts. execve("./syz-executor2019178478", ["./syz-executor2019178478"], 0x7ffd73478580 /* 10 vars */) = 0 brk(NULL) = 0x555557456000 brk(0x555557456d00) = 0x555557456d00 arch_prctl(ARCH_SET_FS, 0x555557456380) = 0 set_tid_address(0x555557456650) = 287 set_robust_list(0x555557456660, 24) = 0 rseq(0x555557456ca0, 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-executor2019178478", 4096) = 28 getrandom("\x96\x71\x3b\xc9\xda\xbb\x0e\x09", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557456d00 brk(0x555557477d00) = 0x555557477d00 brk(0x555557478000) = 0x555557478000 mprotect(0x7f6994508000, 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=0x555557456650) = 288 ./strace-static-x86_64: Process 288 attached [pid 288] set_robust_list(0x555557456660, 24) = 0 [pid 288] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 288] setsid() = 1 [pid 288] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 288] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 288] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 288] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 288] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 288] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 288] unshare(CLONE_NEWNS) = 0 [pid 288] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 288] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 288] unshare(CLONE_NEWCGROUP) = 0 [pid 288] unshare(CLONE_NEWUTS) = 0 [pid 288] unshare(CLONE_SYSVSEM) = 0 [pid 288] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 288] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 288] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 288] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 288] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 288] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 288] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 288] getpid() = 1 [pid 288] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 22.269014][ T24] audit: type=1400 audit(1693184729.440:66): avc: denied { execmem } for pid=287 comm="syz-executor201" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.273875][ T24] audit: type=1400 audit(1693184729.440:67): avc: denied { mounton } for pid=288 comm="syz-executor201" 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 [ 22.282021][ T24] audit: type=1400 audit(1693184729.440:68): avc: denied { mount } for pid=288 comm="syz-executor201" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 22.290016][ T24] audit: type=1400 audit(1693184729.440:69): avc: denied { mounton } for pid=288 comm="syz-executor201" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 22.311707][ T24] audit: type=1400 audit(1693184729.460:70): avc: denied { mounton } for pid=288 comm="syz-executor201" path="/dev/binderfs" dev="devtmpfs" ino=357 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 22.334501][ T24] audit: type=1400 audit(1693184729.460:71): avc: denied { mount } for pid=288 comm="syz-executor201" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [pid 289] 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 288] kill(-2, SIGKILL) = 0 [pid 288] kill(2, SIGKILL) = 0 [pid 288] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 288] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 288] getdents64(3, 0x5555574576f0 /* 2 entries */, 32768) = 48 [pid 288] getdents64(3, 0x5555574576f0 /* 0 entries */, 32768) = 0 [pid 288] close(3) = 0 [ 122.296996][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 122.303511][ C0] rcu: 0-...!: (10000 ticks this GP) idle=db2/1/0x4000000000000000 softirq=1216/1216 fqs=0 last_accelerate: 9337/ba4a dyntick_enabled: 1 [ 122.317391][ C0] (t=10000 jiffies g=177 q=2257) [ 122.322247][ C0] rcu: rcu_preempt kthread starved for 10000 jiffies! g177 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 122.333261][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 122.343067][ C0] rcu: RCU grace-period kthread stack dump: [ 122.348792][ C0] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 122.357820][ C0] Call Trace: [ 122.360967][ C0] __schedule+0xbe6/0x1330 [ 122.365202][ C0] ? __sched_text_start+0x8/0x8 [ 122.369887][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 122.375182][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 122.379868][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 122.384816][ C0] schedule+0x13d/0x1d0 [ 122.388810][ C0] schedule_timeout+0x18c/0x360 [ 122.393498][ C0] ? prepare_to_swait_event+0x39f/0x3e0 [ 122.398896][ C0] ? console_conditional_schedule+0x10/0x10 [ 122.404619][ C0] ? run_local_timers+0x160/0x160 [ 122.409470][ C0] ? __note_gp_changes+0x2d8/0x6f0 [ 122.414434][ C0] rcu_gp_kthread+0xefc/0x23a0 [ 122.419025][ C0] ? dump_blkd_tasks+0x7e0/0x7e0 [ 122.423792][ C0] ? rcu_barrier_callback+0x50/0x50 [ 122.428865][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 122.433508][ C0] ? __kasan_check_read+0x11/0x20 [ 122.438370][ C0] ? __kthread_parkme+0xb9/0x1c0 [ 122.443227][ C0] kthread+0x34b/0x3d0 [ 122.447134][ C0] ? rcu_barrier_callback+0x50/0x50 [ 122.452256][ C0] ? kthread_blkcg+0xd0/0xd0 [ 122.456680][ C0] ret_from_fork+0x1f/0x30 [ 122.460945][ C0] NMI backtrace for cpu 0 [ 122.465100][ C0] CPU: 0 PID: 289 Comm: syz-executor201 Not tainted 5.10.189-syzkaller-00615-gc6a1fbd8e4aa #0 [ 122.475166][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 122.485059][ C0] Call Trace: [ 122.488180][ C0] [ 122.490880][ C0] dump_stack_lvl+0x1e2/0x24b [ 122.495392][ C0] ? panic+0x80b/0x80b [ 122.499296][ C0] ? bfq_pos_tree_add_move+0x43b/0x43b [ 122.504591][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 122.509886][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 122.514575][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 122.520476][ C0] dump_stack+0x15/0x17 [ 122.524466][ C0] nmi_trigger_cpumask_backtrace+0x2b5/0x300 [ 122.530285][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 122.536185][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 122.541909][ C0] rcu_dump_cpu_stacks+0x199/0x2b0 [ 122.546860][ C0] rcu_sched_clock_irq+0xf8a/0x1890 [ 122.551892][ C0] ? rcutree_dead_cpu+0x340/0x340 [ 122.556753][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 122.561788][ C0] update_process_times+0x198/0x200 [ 122.566822][ C0] tick_sched_timer+0x188/0x240 [ 122.571507][ C0] ? tick_setup_sched_timer+0x480/0x480 [ 122.576888][ C0] __hrtimer_run_queues+0x3d7/0xa50 [ 122.581923][ C0] ? hrtimer_interrupt+0x8b0/0x8b0 [ 122.586868][ C0] ? clockevents_program_event+0x214/0x2c0 [ 122.592515][ C0] ? ktime_get_update_offsets_now+0x266/0x280 [ 122.598412][ C0] hrtimer_interrupt+0x39a/0x8b0 [ 122.603188][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 122.608913][ C0] asm_call_irq_on_stack+0xf/0x20 [ 122.613768][ C0] [ 122.616555][ C0] sysvec_apic_timer_interrupt+0x85/0xe0 [ 122.622024][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 122.627834][ C0] RIP: 0010:kvm_wait+0xfc/0x150 [ 122.632520][ C0] 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 [ 122.651962][ C0] RSP: 0018:ffffc90000b16b00 EFLAGS: 00000246 [ 122.657864][ C0] RAX: 0000000000000003 RBX: 1ffff92000162d64 RCX: ffffffff8150b3d4 [ 122.665675][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000b16b40 [ 122.673488][ C0] RBP: ffffc90000b16bb0 R08: dffffc0000000000 R09: fffffbfff0d9e1ae [ 122.681297][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 122.689123][ C0] R13: ffffffff86cf0d6c R14: 0000000000000003 R15: 0000000000000246 [ 122.696941][ C0] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 122.703010][ C0] ? asm_sysvec_call_function_single+0x12/0x20 [ 122.708991][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 122.713934][ C0] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 122.720013][ C0] __pv_queued_spin_lock_slowpath+0x72f/0xc70 [ 122.726018][ C0] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 122.732261][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 122.737033][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 122.742082][ C0] ? kvmalloc_node+0x82/0x130 [ 122.746591][ C0] ? __kasan_check_read+0x11/0x20 [ 122.751469][ C0] get_dist_table+0x207/0x2e0 [ 122.755956][ C0] netem_change+0x974/0x1fb0 [ 122.760382][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 122.765159][ C0] ? do_syscall_64+0x34/0x70 [ 122.769582][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 122.775595][ C0] ? netem_destroy+0xc0/0xc0 [ 122.780020][ C0] ? hrtimer_init+0x33/0x160 [ 122.784446][ C0] netem_init+0x5b/0xb0 [ 122.788462][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 122.793559][ C0] qdisc_create+0x879/0x12d0 [ 122.798004][ C0] ? qdisc_notify+0x370/0x370 [ 122.802501][ C0] ? __nla_parse+0x43/0x60 [ 122.806748][ C0] tc_modify_qdisc+0x8a4/0x13f0 [ 122.811443][ C0] ? qdisc_offload_graft_helper+0x280/0x280 [ 122.817166][ C0] ? mutex_trylock+0xa0/0xa0 [ 122.821593][ C0] ? ns_capable+0x89/0xe0 [ 122.825761][ C0] ? netlink_net_capable+0x125/0x160 [ 122.830877][ C0] ? qdisc_offload_graft_helper+0x280/0x280 [ 122.836628][ C0] rtnetlink_rcv_msg+0x955/0xc50 [ 122.841394][ C0] ? __kasan_check_write+0x14/0x20 [ 122.846330][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 122.851042][ C0] ? rtnetlink_bind+0x80/0x80 [ 122.855534][ C0] ? __kasan_check_write+0x14/0x20 [ 122.860489][ C0] ? avc_node_replace+0x1e0/0x310 [ 122.865357][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 122.870990][ C0] ? avc_update_node+0x2f8/0x710 [ 122.875759][ C0] ? avc_denied+0x13f/0x1b0 [ 122.880096][ C0] ? avc_has_perm+0x275/0x400 [ 122.884621][ C0] ? __kasan_slab_alloc+0xb1/0xe0 [ 122.889463][ C0] ? slab_post_alloc_hook+0x61/0x2f0 [ 122.894588][ C0] ? kmem_cache_alloc+0x168/0x2e0 [ 122.899445][ C0] ? avc_has_perm_noaudit+0x240/0x240 [ 122.904652][ C0] ? iov_iter_advance+0x258/0xb20 [ 122.909517][ C0] netlink_rcv_skb+0x1cf/0x410 [ 122.914221][ C0] ? rtnetlink_bind+0x80/0x80 [ 122.918715][ C0] ? netlink_ack+0xb30/0xb30 [ 122.923141][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 122.928002][ C0] rtnetlink_rcv+0x1c/0x20 [ 122.932251][ C0] netlink_unicast+0x8df/0xac0 [ 122.936851][ C0] ? netlink_detachskb+0x90/0x90 [ 122.941627][ C0] ? security_netlink_send+0x7b/0xa0 [ 122.946744][ C0] netlink_sendmsg+0xa46/0xd00 [ 122.951349][ C0] ? netlink_getsockopt+0x5c0/0x5c0 [ 122.956382][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 122.961676][ C0] ? netlink_getsockopt+0x5c0/0x5c0 [ 122.966711][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 122.971310][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 122.976169][ C0] ? import_iovec+0xe5/0x120 [ 122.980598][ C0] ___sys_sendmsg+0x252/0x2e0 [ 122.985205][ C0] ? __sys_sendmsg+0x280/0x280 [ 122.989800][ C0] ? finish_task_switch+0x130/0x5a0 [ 122.994835][ C0] ? __schedule+0xbee/0x1330 [ 122.999257][ C0] ? __kasan_check_write+0x14/0x20 [ 123.004203][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 123.009239][ C0] ? __kasan_check_read+0x11/0x20 [ 123.014093][ C0] ? __fdget+0x179/0x240 [ 123.018179][ C0] __se_sys_sendmsg+0x1b1/0x280 [ 123.022863][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 123.027896][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 123.032675][ C0] ? fpu__clear_all+0x20/0x20 [ 123.037184][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 123.041782][ C0] do_syscall_64+0x34/0x70 [ 123.046039][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 123.051766][ C0] RIP: 0033:0x7f6994494fc9 [ 123.056033][ 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 [ 123.075456][ C0] RSP: 002b:00007ffd66d86468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 123.083704][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6994494fc9 [ 123.091527][ C0] RDX: 0000000000000000 RSI: 0000000020000440 RDI: 0000000000000003 [ 123.099323][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555557457610 [ 123.107135][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 123.114948][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffd66d86480 [ 264.899882][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor201:289] [ 264.908302][ C0] Modules linked in: [ 264.912031][ C0] CPU: 0 PID: 289 Comm: syz-executor201 Not tainted 5.10.189-syzkaller-00615-gc6a1fbd8e4aa #0 [ 264.922102][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 264.932527][ C0] RIP: 0010:kvm_wait+0xfc/0x150 [ 264.937179][ C0] 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 [ 264.957317][ C0] RSP: 0018:ffffc90000b16b00 EFLAGS: 00000246 [ 264.963210][ C0] RAX: 0000000000000003 RBX: 1ffff92000162d64 RCX: ffffffff8150b3d4 [ 264.971023][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000b16b40 [ 264.978836][ C0] RBP: ffffc90000b16bb0 R08: dffffc0000000000 R09: fffffbfff0d9e1ae [ 264.986644][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 264.994476][ C0] R13: ffffffff86cf0d6c R14: 0000000000000003 R15: 0000000000000246 [ 265.002434][ C0] FS: 0000555557456380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 265.011179][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.017681][ C0] CR2: 0000000000000000 CR3: 000000011e59b000 CR4: 00000000003506b0 [ 265.025507][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.033920][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.041726][ C0] Call Trace: [ 265.044858][ C0] [ 265.047618][ C0] ? show_regs+0x58/0x60 [ 265.051669][ C0] ? watchdog_timer_fn+0x471/0x590 [ 265.056566][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.061758][ C0] ? __hrtimer_run_queues+0x3d7/0xa50 [ 265.066903][ C0] ? hrtimer_interrupt+0x8b0/0x8b0 [ 265.071873][ C0] ? clockevents_program_event+0x214/0x2c0 [ 265.077489][ C0] ? ktime_get_update_offsets_now+0x266/0x280 [ 265.083393][ C0] ? hrtimer_interrupt+0x39a/0x8b0 [ 265.088354][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.094289][ C0] ? asm_call_irq_on_stack+0xf/0x20 [ 265.099264][ C0] [ 265.102090][ C0] ? sysvec_apic_timer_interrupt+0x85/0xe0 [ 265.107693][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 265.113722][ C0] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 265.119773][ C0] ? kvm_wait+0xfc/0x150 [ 265.123836][ C0] ? asm_sysvec_call_function_single+0x12/0x20 [ 265.129828][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 265.134775][ C0] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 265.140847][ C0] __pv_queued_spin_lock_slowpath+0x72f/0xc70 [ 265.146749][ C0] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 265.152996][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 265.157793][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.162859][ C0] ? kvmalloc_node+0x82/0x130 [ 265.167335][ C0] ? __kasan_check_read+0x11/0x20 [ 265.172204][ C0] get_dist_table+0x207/0x2e0 [ 265.176699][ C0] netem_change+0x974/0x1fb0 [ 265.181159][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.185898][ C0] ? do_syscall_64+0x34/0x70 [ 265.190407][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 265.196315][ C0] ? netem_destroy+0xc0/0xc0 [ 265.200849][ C0] ? hrtimer_init+0x33/0x160 [ 265.205256][ C0] netem_init+0x5b/0xb0 [ 265.209246][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 265.214374][ C0] qdisc_create+0x879/0x12d0 [ 265.218794][ C0] ? qdisc_notify+0x370/0x370 [ 265.223364][ C0] ? __nla_parse+0x43/0x60 [ 265.227570][ C0] tc_modify_qdisc+0x8a4/0x13f0 [ 265.232246][ C0] ? qdisc_offload_graft_helper+0x280/0x280 [ 265.237974][ C0] ? mutex_trylock+0xa0/0xa0 [ 265.242450][ C0] ? ns_capable+0x89/0xe0 [ 265.246567][ C0] ? netlink_net_capable+0x125/0x160 [ 265.251685][ C0] ? qdisc_offload_graft_helper+0x280/0x280 [ 265.257496][ C0] rtnetlink_rcv_msg+0x955/0xc50 [ 265.262195][ C0] ? __kasan_check_write+0x14/0x20 [ 265.267325][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 265.272468][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.276969][ C0] ? __kasan_check_write+0x14/0x20 [ 265.282097][ C0] ? avc_node_replace+0x1e0/0x310 [ 265.286890][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 265.292524][ C0] ? avc_update_node+0x2f8/0x710 [ 265.297291][ C0] ? avc_denied+0x13f/0x1b0 [ 265.301617][ C0] ? avc_has_perm+0x275/0x400 [ 265.306133][ C0] ? __kasan_slab_alloc+0xb1/0xe0 [ 265.311014][ C0] ? slab_post_alloc_hook+0x61/0x2f0 [ 265.316129][ C0] ? kmem_cache_alloc+0x168/0x2e0 [ 265.320993][ C0] ? avc_has_perm_noaudit+0x240/0x240 [ 265.326257][ C0] ? iov_iter_advance+0x258/0xb20 [ 265.331049][ C0] netlink_rcv_skb+0x1cf/0x410 [ 265.335699][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.340173][ C0] ? netlink_ack+0xb30/0xb30 [ 265.344642][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 265.349444][ C0] rtnetlink_rcv+0x1c/0x20 [ 265.353696][ C0] netlink_unicast+0x8df/0xac0 [ 265.358294][ C0] ? netlink_detachskb+0x90/0x90 [ 265.364497][ C0] ? security_netlink_send+0x7b/0xa0 [ 265.369612][ C0] netlink_sendmsg+0xa46/0xd00 [ 265.374184][ C0] ? netlink_getsockopt+0x5c0/0x5c0 [ 265.379224][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 265.384527][ C0] ? netlink_getsockopt+0x5c0/0x5c0 [ 265.389539][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 265.394140][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 265.399014][ C0] ? import_iovec+0xe5/0x120 [ 265.403427][ C0] ___sys_sendmsg+0x252/0x2e0 [ 265.407940][ C0] ? __sys_sendmsg+0x280/0x280 [ 265.412615][ C0] ? finish_task_switch+0x130/0x5a0 [ 265.417577][ C0] ? __schedule+0xbee/0x1330 [ 265.422003][ C0] ? __kasan_check_write+0x14/0x20 [ 265.426945][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.431890][ C0] ? __kasan_check_read+0x11/0x20 [ 265.436767][ C0] ? __fdget+0x179/0x240 [ 265.440836][ C0] __se_sys_sendmsg+0x1b1/0x280 [ 265.445538][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.450553][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 265.455377][ C0] ? fpu__clear_all+0x20/0x20 [ 265.459841][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 265.464616][ C0] do_syscall_64+0x34/0x70 [ 265.468958][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 265.474696][ C0] RIP: 0033:0x7f6994494fc9 [ 265.479041][ 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 [ 265.498563][ C0] RSP: 002b:00007ffd66d86468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.506806][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6994494fc9 [ 265.514613][ C0] RDX: 0000000000000000 RSI: 0000000020000440 RDI: 0000000000000003 [ 265.522424][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555557457610 [ 265.530442][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.538249][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffd66d86480