./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3241733179 <...> Warning: Permanently added '10.128.0.55' (ED25519) to the list of known hosts. execve("./syz-executor3241733179", ["./syz-executor3241733179"], 0x7ffca5662bd0 /* 10 vars */) = 0 brk(NULL) = 0x5555557c1000 brk(0x5555557c1d00) = 0x5555557c1d00 arch_prctl(ARCH_SET_FS, 0x5555557c1380) = 0 set_tid_address(0x5555557c1650) = 286 set_robust_list(0x5555557c1660, 24) = 0 rseq(0x5555557c1ca0, 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-executor3241733179", 4096) = 28 getrandom("\x69\x95\xa6\x90\xc0\x4f\xa0\x20", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555557c1d00 brk(0x5555557e2d00) = 0x5555557e2d00 brk(0x5555557e3000) = 0x5555557e3000 mprotect(0x7f44d3a4c000, 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=0x5555557c1650) = 287 ./strace-static-x86_64: Process 287 attached [pid 287] set_robust_list(0x5555557c1660, 24) = 0 [pid 287] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 287] setsid() = 1 [pid 287] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 287] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 287] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 287] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 287] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 287] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 287] unshare(CLONE_NEWNS) = 0 [pid 287] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 287] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 287] unshare(CLONE_NEWCGROUP) = 0 [pid 287] unshare(CLONE_NEWUTS) = 0 [pid 287] unshare(CLONE_SYSVSEM) = 0 [pid 287] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 287] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 287] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 287] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 287] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 287] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 287] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 287] getpid() = 1 [pid 287] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 20.717230][ T24] audit: type=1400 audit(1693209765.820:66): avc: denied { execmem } for pid=286 comm="syz-executor324" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 20.722366][ T24] audit: type=1400 audit(1693209765.820:67): avc: denied { mounton } for pid=287 comm="syz-executor324" 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 [ 20.727841][ T24] audit: type=1400 audit(1693209765.820:68): avc: denied { mount } for pid=287 comm="syz-executor324" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 20.733762][ T24] audit: type=1400 audit(1693209765.820:69): avc: denied { mounton } for pid=287 comm="syz-executor324" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 20.742155][ T24] audit: type=1400 audit(1693209765.840:70): avc: denied { mounton } for pid=287 comm="syz-executor324" path="/dev/binderfs" dev="devtmpfs" ino=357 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 20.765122][ T24] audit: type=1400 audit(1693209765.840:71): avc: denied { mount } for pid=287 comm="syz-executor324" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [pid 288] 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 287] kill(-2, SIGKILL) = 0 [pid 287] kill(2, SIGKILL) = 0 [pid 287] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 287] getdents64(3, 0x5555557c26f0 /* 2 entries */, 32768) = 48 [pid 287] getdents64(3, 0x5555557c26f0 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [ 120.743078][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 120.749493][ C1] rcu: 1-...!: (10000 ticks this GP) idle=c6a/1/0x4000000000000000 softirq=1493/1493 fqs=0 last_accelerate: 9295/b9a6 dyntick_enabled: 1 [ 120.763369][ C1] (t=10000 jiffies g=117 q=2208) [ 120.768228][ C1] rcu: rcu_preempt kthread starved for 10000 jiffies! g117 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 120.779247][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 120.789051][ C1] rcu: RCU grace-period kthread stack dump: [ 120.794782][ C1] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 120.803811][ C1] Call Trace: [ 120.806956][ C1] __schedule+0xbe6/0x1330 [ 120.811288][ C1] ? __sched_text_start+0x8/0x8 [ 120.815964][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 120.821254][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 120.825942][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 120.830894][ C1] schedule+0x13d/0x1d0 [ 120.834882][ C1] schedule_timeout+0x18c/0x360 [ 120.839571][ C1] ? prepare_to_swait_event+0x39f/0x3e0 [ 120.845309][ C1] ? console_conditional_schedule+0x10/0x10 [ 120.851028][ C1] ? run_local_timers+0x160/0x160 [ 120.855886][ C1] ? __note_gp_changes+0x2d8/0x6f0 [ 120.860840][ C1] rcu_gp_kthread+0xefc/0x23a0 [ 120.865439][ C1] ? dump_blkd_tasks+0x7e0/0x7e0 [ 120.870208][ C1] ? rcu_barrier_callback+0x50/0x50 [ 120.875238][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 120.879934][ C1] ? __kasan_check_read+0x11/0x20 [ 120.884795][ C1] ? __kthread_parkme+0xb9/0x1c0 [ 120.889562][ C1] kthread+0x34b/0x3d0 [ 120.893477][ C1] ? rcu_barrier_callback+0x50/0x50 [ 120.898502][ C1] ? kthread_blkcg+0xd0/0xd0 [ 120.902927][ C1] ret_from_fork+0x1f/0x30 [ 120.907193][ C1] NMI backtrace for cpu 1 [ 120.911358][ C1] CPU: 1 PID: 288 Comm: syz-executor324 Not tainted 5.10.189-syzkaller-00615-gc6a1fbd8e4aa #0 [ 120.921425][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 120.931309][ C1] Call Trace: [ 120.934517][ C1] [ 120.937214][ C1] dump_stack_lvl+0x1e2/0x24b [ 120.941809][ C1] ? panic+0x80b/0x80b [ 120.945717][ C1] ? bfq_pos_tree_add_move+0x43b/0x43b [ 120.951010][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 120.956309][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 120.960993][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 120.966894][ C1] dump_stack+0x15/0x17 [ 120.970888][ C1] nmi_trigger_cpumask_backtrace+0x2b5/0x300 [ 120.976707][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 120.982604][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 120.988334][ C1] rcu_dump_cpu_stacks+0x199/0x2b0 [ 120.993283][ C1] rcu_sched_clock_irq+0xf8a/0x1890 [ 120.998312][ C1] ? rcutree_dead_cpu+0x340/0x340 [ 121.003173][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 121.008218][ C1] update_process_times+0x198/0x200 [ 121.013243][ C1] tick_sched_timer+0x188/0x240 [ 121.017928][ C1] ? tick_setup_sched_timer+0x480/0x480 [ 121.023308][ C1] __hrtimer_run_queues+0x3d7/0xa50 [ 121.028517][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 121.033465][ C1] ? clockevents_program_event+0x214/0x2c0 [ 121.039206][ C1] ? ktime_get_update_offsets_now+0x266/0x280 [ 121.045093][ C1] hrtimer_interrupt+0x39a/0x8b0 [ 121.049973][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 121.055781][ C1] asm_call_irq_on_stack+0xf/0x20 [ 121.060638][ C1] [ 121.063419][ C1] sysvec_apic_timer_interrupt+0x85/0xe0 [ 121.069071][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 121.075390][ C1] RIP: 0010:kvm_wait+0xfc/0x150 [ 121.080073][ 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 [ 121.099947][ C1] RSP: 0018:ffffc90000b66b00 EFLAGS: 00000246 [ 121.105938][ C1] RAX: 0000000000000003 RBX: 1ffff9200016cd64 RCX: ffffffff8150b3d4 [ 121.113836][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000b66b40 [ 121.121645][ C1] RBP: ffffc90000b66bb0 R08: dffffc0000000000 R09: fffffbfff0d9e1ae [ 121.129542][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 121.137364][ C1] R13: ffffffff86cf0d6c R14: 0000000000000003 R15: 0000000000000246 [ 121.145168][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 121.151415][ C1] ? asm_sysvec_call_function_single+0x12/0x20 [ 121.157406][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 121.162352][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 121.168428][ C1] __pv_queued_spin_lock_slowpath+0x72f/0xc70 [ 121.174327][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 121.180591][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 121.185350][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 121.190383][ C1] ? kvmalloc_node+0x82/0x130 [ 121.194895][ C1] ? __kasan_check_read+0x11/0x20 [ 121.199758][ C1] get_dist_table+0x207/0x2e0 [ 121.204268][ C1] netem_change+0x974/0x1fb0 [ 121.208696][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 121.213482][ C1] ? do_syscall_64+0x34/0x70 [ 121.217894][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 121.223798][ C1] ? netem_destroy+0xc0/0xc0 [ 121.228230][ C1] ? hrtimer_init+0x33/0x160 [ 121.232651][ C1] netem_init+0x5b/0xb0 [ 121.236642][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 121.241764][ C1] qdisc_create+0x879/0x12d0 [ 121.246189][ C1] ? qdisc_notify+0x370/0x370 [ 121.250707][ C1] ? __nla_parse+0x43/0x60 [ 121.254957][ C1] tc_modify_qdisc+0x8a4/0x13f0 [ 121.259644][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 121.265372][ C1] ? mutex_trylock+0xa0/0xa0 [ 121.269797][ C1] ? ns_capable+0x89/0xe0 [ 121.273963][ C1] ? netlink_net_capable+0x125/0x160 [ 121.279195][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 121.284913][ C1] rtnetlink_rcv_msg+0x955/0xc50 [ 121.289683][ C1] ? __kasan_check_write+0x14/0x20 [ 121.294641][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 121.299320][ C1] ? rtnetlink_bind+0x80/0x80 [ 121.303827][ C1] ? __kasan_check_write+0x14/0x20 [ 121.308804][ C1] ? avc_node_replace+0x1e0/0x310 [ 121.313636][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 121.319275][ C1] ? avc_update_node+0x2f8/0x710 [ 121.324051][ C1] ? avc_denied+0x13f/0x1b0 [ 121.328390][ C1] ? avc_has_perm+0x275/0x400 [ 121.332901][ C1] ? __kasan_slab_alloc+0xb1/0xe0 [ 121.337766][ C1] ? slab_post_alloc_hook+0x61/0x2f0 [ 121.342883][ C1] ? kmem_cache_alloc+0x168/0x2e0 [ 121.347745][ C1] ? avc_has_perm_noaudit+0x240/0x240 [ 121.352952][ C1] ? iov_iter_advance+0x258/0xb20 [ 121.357813][ C1] netlink_rcv_skb+0x1cf/0x410 [ 121.362416][ C1] ? rtnetlink_bind+0x80/0x80 [ 121.366925][ C1] ? netlink_ack+0xb30/0xb30 [ 121.371358][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 121.376214][ C1] rtnetlink_rcv+0x1c/0x20 [ 121.380464][ C1] netlink_unicast+0x8df/0xac0 [ 121.385066][ C1] ? netlink_detachskb+0x90/0x90 [ 121.389840][ C1] ? security_netlink_send+0x7b/0xa0 [ 121.394959][ C1] netlink_sendmsg+0xa46/0xd00 [ 121.399560][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 121.404595][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 121.409890][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 121.414923][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 121.419522][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 121.424382][ C1] ? import_iovec+0xe5/0x120 [ 121.428808][ C1] ___sys_sendmsg+0x252/0x2e0 [ 121.433322][ C1] ? __sys_sendmsg+0x280/0x280 [ 121.437931][ C1] ? finish_task_switch+0x130/0x5a0 [ 121.442960][ C1] ? __schedule+0xbee/0x1330 [ 121.447384][ C1] ? __kasan_check_write+0x14/0x20 [ 121.452329][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 121.457279][ C1] ? __kasan_check_read+0x11/0x20 [ 121.462136][ C1] ? __fdget+0x179/0x240 [ 121.466233][ C1] __se_sys_sendmsg+0x1b1/0x280 [ 121.470921][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 121.475946][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 121.480722][ C1] ? fpu__clear_all+0x20/0x20 [ 121.485231][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 121.489828][ C1] do_syscall_64+0x34/0x70 [ 121.494080][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 121.499807][ C1] RIP: 0033:0x7f44d39d8fc9 [ 121.504062][ C1] 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 [ 121.524292][ C1] RSP: 002b:00007ffdfe03b7b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 121.532535][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f44d39d8fc9 [ 121.540343][ C1] RDX: 0000000000000000 RSI: 0000000020000440 RDI: 0000000000000003 [ 121.548154][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555557c2610 [ 121.555966][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 121.563779][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffdfe03b7d0 [ 265.019369][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor324:288] [ 265.027765][ C1] Modules linked in: [ 265.031494][ C1] CPU: 1 PID: 288 Comm: syz-executor324 Not tainted 5.10.189-syzkaller-00615-gc6a1fbd8e4aa #0 [ 265.041565][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 265.051531][ C1] RIP: 0010:kvm_wait+0xfc/0x150 [ 265.056165][ 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 [ 265.076022][ C1] RSP: 0018:ffffc90000b66b00 EFLAGS: 00000246 [ 265.081919][ C1] RAX: 0000000000000003 RBX: 1ffff9200016cd64 RCX: ffffffff8150b3d4 [ 265.089727][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000b66b40 [ 265.097634][ C1] RBP: ffffc90000b66bb0 R08: dffffc0000000000 R09: fffffbfff0d9e1ae [ 265.105437][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.113252][ C1] R13: ffffffff86cf0d6c R14: 0000000000000003 R15: 0000000000000246 [ 265.121148][ C1] FS: 00005555557c1380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 265.129913][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.136339][ C1] CR2: 0000000000000000 CR3: 000000011ed56000 CR4: 00000000003506a0 [ 265.144235][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.152048][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.160028][ C1] Call Trace: [ 265.163153][ C1] [ 265.165899][ C1] ? show_regs+0x58/0x60 [ 265.170003][ C1] ? watchdog_timer_fn+0x471/0x590 [ 265.174882][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.180058][ C1] ? __hrtimer_run_queues+0x3d7/0xa50 [ 265.185223][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 265.190210][ C1] ? clockevents_program_event+0x214/0x2c0 [ 265.195807][ C1] ? ktime_get_update_offsets_now+0x266/0x280 [ 265.201716][ C1] ? hrtimer_interrupt+0x39a/0x8b0 [ 265.206674][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.212624][ C1] ? asm_call_irq_on_stack+0xf/0x20 [ 265.217575][ C1] [ 265.220406][ C1] ? sysvec_apic_timer_interrupt+0x85/0xe0 [ 265.225995][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 265.232046][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 265.238065][ C1] ? kvm_wait+0xfc/0x150 [ 265.242139][ C1] ? asm_sysvec_call_function_single+0x12/0x20 [ 265.248130][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 265.253083][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 265.259153][ C1] __pv_queued_spin_lock_slowpath+0x72f/0xc70 [ 265.265058][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 265.271304][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 265.276253][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.281335][ C1] ? kvmalloc_node+0x82/0x130 [ 265.285879][ C1] ? __kasan_check_read+0x11/0x20 [ 265.290692][ C1] get_dist_table+0x207/0x2e0 [ 265.295172][ C1] netem_change+0x974/0x1fb0 [ 265.299635][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.304371][ C1] ? do_syscall_64+0x34/0x70 [ 265.308794][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 265.314699][ C1] ? netem_destroy+0xc0/0xc0 [ 265.319128][ C1] ? hrtimer_init+0x33/0x160 [ 265.323558][ C1] netem_init+0x5b/0xb0 [ 265.327545][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 265.332664][ C1] qdisc_create+0x879/0x12d0 [ 265.337091][ C1] ? qdisc_notify+0x370/0x370 [ 265.341668][ C1] ? __nla_parse+0x43/0x60 [ 265.345856][ C1] tc_modify_qdisc+0x8a4/0x13f0 [ 265.350542][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 265.356296][ C1] ? mutex_trylock+0xa0/0xa0 [ 265.360744][ C1] ? ns_capable+0x89/0xe0 [ 265.364867][ C1] ? netlink_net_capable+0x125/0x160 [ 265.369986][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 265.375855][ C1] rtnetlink_rcv_msg+0x955/0xc50 [ 265.380576][ C1] ? __kasan_check_write+0x14/0x20 [ 265.385524][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 265.390297][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.395004][ C1] ? __kasan_check_write+0x14/0x20 [ 265.400009][ C1] ? avc_node_replace+0x1e0/0x310 [ 265.404798][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 265.410453][ C1] ? avc_update_node+0x2f8/0x710 [ 265.415209][ C1] ? avc_denied+0x13f/0x1b0 [ 265.419547][ C1] ? avc_has_perm+0x275/0x400 [ 265.424070][ C1] ? __kasan_slab_alloc+0xb1/0xe0 [ 265.428940][ C1] ? slab_post_alloc_hook+0x61/0x2f0 [ 265.434038][ C1] ? kmem_cache_alloc+0x168/0x2e0 [ 265.438903][ C1] ? avc_has_perm_noaudit+0x240/0x240 [ 265.444154][ C1] ? iov_iter_advance+0x258/0xb20 [ 265.448969][ C1] netlink_rcv_skb+0x1cf/0x410 [ 265.453568][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.458080][ C1] ? netlink_ack+0xb30/0xb30 [ 265.462548][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 265.467367][ C1] rtnetlink_rcv+0x1c/0x20 [ 265.471617][ C1] netlink_unicast+0x8df/0xac0 [ 265.476396][ C1] ? netlink_detachskb+0x90/0x90 [ 265.481205][ C1] ? security_netlink_send+0x7b/0xa0 [ 265.486288][ C1] netlink_sendmsg+0xa46/0xd00 [ 265.491931][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 265.496966][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 265.502272][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 265.507304][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 265.511905][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 265.516808][ C1] ? import_iovec+0xe5/0x120 [ 265.521200][ C1] ___sys_sendmsg+0x252/0x2e0 [ 265.525974][ C1] ? __sys_sendmsg+0x280/0x280 [ 265.530632][ C1] ? finish_task_switch+0x130/0x5a0 [ 265.535614][ C1] ? __schedule+0xbee/0x1330 [ 265.540013][ C1] ? __kasan_check_write+0x14/0x20 [ 265.544979][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.550032][ C1] ? __kasan_check_read+0x11/0x20 [ 265.554909][ C1] ? __fdget+0x179/0x240 [ 265.558975][ C1] __se_sys_sendmsg+0x1b1/0x280 [ 265.563653][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.568780][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 265.573595][ C1] ? fpu__clear_all+0x20/0x20 [ 265.578059][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 265.582662][ C1] do_syscall_64+0x34/0x70 [ 265.586913][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 265.592811][ C1] RIP: 0033:0x7f44d39d8fc9 [ 265.597067][ C1] 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 [ 265.616509][ C1] RSP: 002b:00007ffdfe03b7b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.624778][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f44d39d8fc9 [ 265.632561][ C1] RDX: 0000000000000000 RSI: 0000000020000440 RDI: 0000000000000003 [ 265.640382][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555557c2610 [ 265.648184][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.655997][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffdfe03b7d0