./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1302543542 <...> [ 3.120429][ T24] audit: type=1400 audit(1691708398.419:9): avc: denied { append open } for pid=76 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 3.123533][ T24] audit: type=1400 audit(1691708398.419:10): avc: denied { getattr } for pid=76 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 3.355748][ T93] udevd[93]: starting version 3.2.11 [ 3.490345][ T94] udevd[94]: starting eudev-3.2.11 [ 12.286539][ T24] kauditd_printk_skb: 50 callbacks suppressed [ 12.286546][ T24] audit: type=1400 audit(1691708407.589:61): avc: denied { transition } for pid=218 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.290922][ T24] audit: type=1400 audit(1691708407.599:62): avc: denied { noatsecure } for pid=218 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.293904][ T24] audit: type=1400 audit(1691708407.599:63): avc: denied { write } for pid=218 comm="sh" path="pipe:[13630]" dev="pipefs" ino=13630 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 12.299661][ T24] audit: type=1400 audit(1691708407.599:64): avc: denied { rlimitinh } for pid=218 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.302937][ T24] audit: type=1400 audit(1691708407.599:65): avc: denied { siginh } for pid=218 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.212' (ED25519) to the list of known hosts. execve("./syz-executor1302543542", ["./syz-executor1302543542"], 0x7ffcb6937310 /* 10 vars */) = 0 brk(NULL) = 0x555556c9b000 brk(0x555556c9bd00) = 0x555556c9bd00 arch_prctl(ARCH_SET_FS, 0x555556c9b380) = 0 set_tid_address(0x555556c9b650) = 287 set_robust_list(0x555556c9b660, 24) = 0 rseq(0x555556c9bca0, 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-executor1302543542", 4096) = 28 getrandom("\x98\xc3\xe9\xa4\xd3\xbc\xa4\x7e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556c9bd00 brk(0x555556cbcd00) = 0x555556cbcd00 brk(0x555556cbd000) = 0x555556cbd000 mprotect(0x7f9cb07c4000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c9b650) = 288 ./strace-static-x86_64: Process 288 attached [pid 288] set_robust_list(0x555556c9b660, 24) = 0 [pid 288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 288] setpgid(0, 0) = 0 [pid 288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 288] write(3, "1000", 4) = 4 [pid 288] close(3) = 0 [pid 288] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 288] socketpair(AF_UNIX, SOCK_STREAM, 0, [4, 5]) = 0 [pid 288] ioctl(5, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [ 20.753521][ T24] audit: type=1400 audit(1691708416.059:66): avc: denied { execmem } for pid=287 comm="syz-executor130" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 288] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x7c\x01\x00\x00\x24\x00\x0b\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x60\x00\x00\x00\x01\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\x4c\x01\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\xc8\x00\x05\x80\x18\x00\x01\x00\x04\x00\x00\x00\x02\x00\x00\x00\x05\x00\x00\x00\x6d\x04\x00\x00"..., iov_len=380}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 287] kill(-288, SIGKILL) = 0 [pid 287] kill(288, 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, 0x555556c9c6f0 /* 2 entries */, 32768) = 48 [pid 287] getdents64(3, 0x555556c9c6f0 /* 0 entries */, 32768) = 0 [pid 287] close(3) = 0 [ 120.756809][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 120.763230][ C1] rcu: 1-...!: (10000 ticks this GP) idle=326/1/0x4000000000000000 softirq=1129/1129 fqs=0 last_accelerate: 929e/b9ae dyntick_enabled: 1 [ 120.777114][ C1] (t=10000 jiffies g=41 q=2216) [ 120.781892][ C1] rcu: rcu_preempt kthread starved for 10000 jiffies! g41 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 120.792815][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 120.802620][ C1] rcu: RCU grace-period kthread stack dump: [ 120.808701][ C1] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 120.817730][ C1] Call Trace: [ 120.820866][ C1] __schedule+0xbe6/0x1330 [ 120.825106][ C1] ? __sched_text_start+0x8/0x8 [ 120.829789][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 120.835087][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 120.839769][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 120.844717][ C1] schedule+0x13d/0x1d0 [ 120.848710][ C1] schedule_timeout+0x18c/0x360 [ 120.853396][ C1] ? prepare_to_swait_event+0x39f/0x3e0 [ 120.858778][ C1] ? console_conditional_schedule+0x10/0x10 [ 120.864535][ C1] ? run_local_timers+0x160/0x160 [ 120.869367][ C1] ? __note_gp_changes+0x2d8/0x6f0 [ 120.874315][ C1] rcu_gp_kthread+0xefc/0x23a0 [ 120.878915][ C1] ? dump_blkd_tasks+0x7e0/0x7e0 [ 120.883689][ C1] ? rcu_barrier_callback+0x50/0x50 [ 120.888728][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 120.893435][ C1] ? __kasan_check_read+0x11/0x20 [ 120.898269][ C1] ? __kthread_parkme+0xb9/0x1c0 [ 120.903045][ C1] kthread+0x34b/0x3d0 [ 120.906953][ C1] ? rcu_barrier_callback+0x50/0x50 [ 120.911986][ C1] ? kthread_blkcg+0xd0/0xd0 [ 120.916413][ C1] ret_from_fork+0x1f/0x30 [ 120.920679][ C1] NMI backtrace for cpu 1 [ 120.924831][ C1] CPU: 1 PID: 288 Comm: syz-executor130 Not tainted 5.10.187-syzkaller-00057-g8a427269c016 #0 [ 120.934979][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 120.944872][ C1] Call Trace: [ 120.947997][ C1] [ 120.950698][ C1] dump_stack_lvl+0x1e2/0x24b [ 120.955208][ C1] ? panic+0x80b/0x80b [ 120.959112][ C1] ? bfq_pos_tree_add_move+0x43b/0x43b [ 120.964405][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 120.969700][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 120.974387][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 120.980290][ C1] dump_stack+0x15/0x17 [ 120.984284][ C1] nmi_trigger_cpumask_backtrace+0x2b5/0x300 [ 120.990099][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 120.996003][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 121.001727][ C1] rcu_dump_cpu_stacks+0x199/0x2b0 [ 121.006676][ C1] rcu_sched_clock_irq+0xf8a/0x1890 [ 121.011709][ C1] ? rcutree_dead_cpu+0x340/0x340 [ 121.016570][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 121.021606][ C1] update_process_times+0x198/0x200 [ 121.026638][ C1] tick_sched_timer+0x188/0x240 [ 121.031327][ C1] ? tick_setup_sched_timer+0x480/0x480 [ 121.036708][ C1] __hrtimer_run_queues+0x3d7/0xa50 [ 121.041767][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 121.046694][ C1] ? clockevents_program_event+0x214/0x2c0 [ 121.052340][ C1] ? ktime_get_update_offsets_now+0x266/0x280 [ 121.058234][ C1] hrtimer_interrupt+0x39a/0x8b0 [ 121.063007][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 121.068734][ C1] asm_call_irq_on_stack+0xf/0x20 [ 121.073588][ C1] [ 121.076396][ C1] sysvec_apic_timer_interrupt+0x85/0xe0 [ 121.081837][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 121.087655][ C1] RIP: 0010:kvm_wait+0xfc/0x150 [ 121.092341][ C1] Code: 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d e5 46 d5 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d d6 46 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 [ 121.111791][ C1] RSP: 0018:ffffc90000b46b00 EFLAGS: 00000246 [ 121.117682][ C1] RAX: 0000000000000003 RBX: 1ffff92000168d64 RCX: ffffffff8150a984 [ 121.125495][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000b46b40 [ 121.133310][ C1] RBP: ffffc90000b46bb0 R08: dffffc0000000000 R09: ffffed1022c77616 [ 121.141117][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 121.148942][ C1] R13: ffff8881163bb0ac R14: 0000000000000003 R15: 0000000000000246 [ 121.156763][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 121.162820][ C1] ? asm_sysvec_call_function_single+0x12/0x20 [ 121.168809][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 121.173757][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 121.179832][ C1] __pv_queued_spin_lock_slowpath+0x72f/0xc70 [ 121.185736][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 121.191983][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 121.196754][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 121.201787][ C1] ? kvmalloc_node+0x82/0x130 [ 121.206304][ C1] ? __kasan_check_read+0x11/0x20 [ 121.211163][ C1] get_dist_table+0x207/0x2e0 [ 121.215676][ C1] netem_change+0x974/0x1fb0 [ 121.220113][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 121.224876][ C1] ? do_syscall_64+0x34/0x70 [ 121.229302][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 121.235222][ C1] ? netem_destroy+0xc0/0xc0 [ 121.240107][ C1] ? hrtimer_init+0x33/0x160 [ 121.244496][ C1] netem_init+0x5b/0xb0 [ 121.248487][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 121.253606][ C1] qdisc_create+0x879/0x12d0 [ 121.258031][ C1] ? qdisc_notify+0x370/0x370 [ 121.262545][ C1] ? __nla_parse+0x43/0x60 [ 121.266798][ C1] tc_modify_qdisc+0x8a4/0x13f0 [ 121.271485][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 121.277217][ C1] ? mutex_trylock+0xa0/0xa0 [ 121.281640][ C1] ? ns_capable+0x89/0xe0 [ 121.285803][ C1] ? netlink_net_capable+0x125/0x160 [ 121.290935][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 121.296656][ C1] rtnetlink_rcv_msg+0x955/0xc50 [ 121.301429][ C1] ? __kasan_check_write+0x14/0x20 [ 121.306374][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 121.311063][ C1] ? rtnetlink_bind+0x80/0x80 [ 121.315577][ C1] ? __kasan_check_write+0x14/0x20 [ 121.320520][ C1] ? avc_node_replace+0x1e0/0x310 [ 121.325387][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 121.331025][ C1] ? avc_update_node+0x2f8/0x710 [ 121.335796][ C1] ? avc_denied+0x13f/0x1b0 [ 121.340142][ C1] ? avc_has_perm+0x275/0x400 [ 121.344648][ C1] ? __kasan_slab_alloc+0xb1/0xe0 [ 121.349510][ C1] ? slab_post_alloc_hook+0x61/0x2f0 [ 121.354630][ C1] ? kmem_cache_alloc+0x168/0x2e0 [ 121.359498][ C1] ? avc_has_perm_noaudit+0x240/0x240 [ 121.364705][ C1] ? iov_iter_advance+0x258/0xb20 [ 121.369565][ C1] netlink_rcv_skb+0x1cf/0x410 [ 121.374159][ C1] ? rtnetlink_bind+0x80/0x80 [ 121.378674][ C1] ? netlink_ack+0xb30/0xb30 [ 121.383100][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 121.387961][ C1] rtnetlink_rcv+0x1c/0x20 [ 121.392213][ C1] netlink_unicast+0x8df/0xac0 [ 121.396816][ C1] ? netlink_detachskb+0x90/0x90 [ 121.401587][ C1] ? security_netlink_send+0x7b/0xa0 [ 121.406709][ C1] netlink_sendmsg+0xa46/0xd00 [ 121.411310][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 121.416348][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 121.421636][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 121.426671][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 121.431292][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 121.436132][ C1] ? import_iovec+0xe5/0x120 [ 121.440563][ C1] ___sys_sendmsg+0x252/0x2e0 [ 121.445158][ C1] ? __sys_sendmsg+0x280/0x280 [ 121.449760][ C1] ? finish_task_switch+0x130/0x5a0 [ 121.454791][ C1] ? __schedule+0xbee/0x1330 [ 121.459220][ C1] ? __kasan_check_write+0x14/0x20 [ 121.464163][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 121.469115][ C1] ? __kasan_check_read+0x11/0x20 [ 121.473972][ C1] ? __fdget+0x179/0x240 [ 121.478053][ C1] __se_sys_sendmsg+0x1b1/0x280 [ 121.482739][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 121.487773][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 121.492551][ C1] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 121.498453][ C1] ? irqentry_exit_to_user_mode+0x2f/0x80 [ 121.504017][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 121.508605][ C1] do_syscall_64+0x34/0x70 [ 121.512858][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 121.518586][ C1] RIP: 0033:0x7f9cb0750e79 [ 121.522853][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 [ 121.542281][ C1] RSP: 002b:00007ffe782d4508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 121.550524][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cb0750e79 [ 121.558334][ C1] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 121.566146][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 121.573961][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 121.581768][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 264.922351][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor130:288] [ 264.930759][ C1] Modules linked in: [ 264.934489][ C1] CPU: 1 PID: 288 Comm: syz-executor130 Not tainted 5.10.187-syzkaller-00057-g8a427269c016 #0 [ 264.944644][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 264.954609][ C1] RIP: 0010:kvm_wait+0xfc/0x150 [ 264.959224][ C1] Code: 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d e5 46 d5 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d d6 46 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 [ 264.979371][ C1] RSP: 0018:ffffc90000b46b00 EFLAGS: 00000246 [ 264.985261][ C1] RAX: 0000000000000003 RBX: 1ffff92000168d64 RCX: ffffffff8150a984 [ 264.993074][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000b46b40 [ 265.000884][ C1] RBP: ffffc90000b46bb0 R08: dffffc0000000000 R09: ffffed1022c77616 [ 265.008696][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.016519][ C1] R13: ffff8881163bb0ac R14: 0000000000000003 R15: 0000000000000246 [ 265.024324][ C1] FS: 0000555556c9b380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 265.033087][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.039509][ C1] CR2: 0000000020001e48 CR3: 000000011e2bb000 CR4: 00000000003506a0 [ 265.047321][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.055141][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.062944][ C1] Call Trace: [ 265.066065][ C1] [ 265.068821][ C1] ? show_regs+0x58/0x60 [ 265.072968][ C1] ? watchdog_timer_fn+0x471/0x590 [ 265.077888][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.083084][ C1] ? __hrtimer_run_queues+0x3d7/0xa50 [ 265.088317][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 265.093268][ C1] ? clockevents_program_event+0x214/0x2c0 [ 265.098892][ C1] ? ktime_get_update_offsets_now+0x266/0x280 [ 265.104792][ C1] ? hrtimer_interrupt+0x39a/0x8b0 [ 265.109750][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.115755][ C1] ? asm_call_irq_on_stack+0xf/0x20 [ 265.120759][ C1] [ 265.123573][ C1] ? sysvec_apic_timer_interrupt+0x85/0xe0 [ 265.129182][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 265.135196][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 265.141249][ C1] ? kvm_wait+0xfc/0x150 [ 265.145325][ C1] ? asm_sysvec_call_function_single+0x12/0x20 [ 265.151313][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 265.156261][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 265.162533][ C1] __pv_queued_spin_lock_slowpath+0x72f/0xc70 [ 265.168436][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 265.174682][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 265.179461][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.184523][ C1] ? kvmalloc_node+0x82/0x130 [ 265.189022][ C1] ? __kasan_check_read+0x11/0x20 [ 265.193899][ C1] get_dist_table+0x207/0x2e0 [ 265.198374][ C1] netem_change+0x974/0x1fb0 [ 265.202818][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.207581][ C1] ? do_syscall_64+0x34/0x70 [ 265.212001][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 265.217906][ C1] ? netem_destroy+0xc0/0xc0 [ 265.222562][ C1] ? hrtimer_init+0x33/0x160 [ 265.226976][ C1] netem_init+0x5b/0xb0 [ 265.230970][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 265.236135][ C1] qdisc_create+0x879/0x12d0 [ 265.240516][ C1] ? qdisc_notify+0x370/0x370 [ 265.245054][ C1] ? __nla_parse+0x43/0x60 [ 265.249278][ C1] tc_modify_qdisc+0x8a4/0x13f0 [ 265.253967][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 265.259717][ C1] ? mutex_trylock+0xa0/0xa0 [ 265.264155][ C1] ? ns_capable+0x89/0xe0 [ 265.268307][ C1] ? netlink_net_capable+0x125/0x160 [ 265.273404][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 265.279154][ C1] rtnetlink_rcv_msg+0x955/0xc50 [ 265.283909][ C1] ? __kasan_check_write+0x14/0x20 [ 265.288857][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 265.293541][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.298057][ C1] ? __kasan_check_write+0x14/0x20 [ 265.303085][ C1] ? avc_node_replace+0x1e0/0x310 [ 265.307872][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 265.313504][ C1] ? avc_update_node+0x2f8/0x710 [ 265.318278][ C1] ? avc_denied+0x13f/0x1b0 [ 265.322618][ C1] ? avc_has_perm+0x275/0x400 [ 265.327132][ C1] ? __kasan_slab_alloc+0xb1/0xe0 [ 265.332006][ C1] ? slab_post_alloc_hook+0x61/0x2f0 [ 265.337120][ C1] ? kmem_cache_alloc+0x168/0x2e0 [ 265.341978][ C1] ? avc_has_perm_noaudit+0x240/0x240 [ 265.347230][ C1] ? iov_iter_advance+0x258/0xb20 [ 265.352048][ C1] netlink_rcv_skb+0x1cf/0x410 [ 265.356753][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.361261][ C1] ? netlink_ack+0xb30/0xb30 [ 265.365688][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 265.370549][ C1] rtnetlink_rcv+0x1c/0x20 [ 265.374800][ C1] netlink_unicast+0x8df/0xac0 [ 265.379403][ C1] ? netlink_detachskb+0x90/0x90 [ 265.384204][ C1] ? security_netlink_send+0x7b/0xa0 [ 265.389299][ C1] netlink_sendmsg+0xa46/0xd00 [ 265.393896][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 265.398942][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 265.404222][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 265.409262][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 265.413877][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 265.418721][ C1] ? import_iovec+0xe5/0x120 [ 265.423154][ C1] ___sys_sendmsg+0x252/0x2e0 [ 265.427676][ C1] ? __sys_sendmsg+0x280/0x280 [ 265.432320][ C1] ? finish_task_switch+0x130/0x5a0 [ 265.437294][ C1] ? __schedule+0xbee/0x1330 [ 265.441720][ C1] ? __kasan_check_write+0x14/0x20 [ 265.446668][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.451616][ C1] ? __kasan_check_read+0x11/0x20 [ 265.456512][ C1] ? __fdget+0x179/0x240 [ 265.460556][ C1] __se_sys_sendmsg+0x1b1/0x280 [ 265.465238][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.470277][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 265.475099][ C1] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 265.481002][ C1] ? irqentry_exit_to_user_mode+0x2f/0x80 [ 265.486512][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 265.491106][ C1] do_syscall_64+0x34/0x70 [ 265.495359][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 265.501094][ C1] RIP: 0033:0x7f9cb0750e79 [ 265.505338][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 [ 265.524785][ C1] RSP: 002b:00007ffe782d4508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.533027][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cb0750e79 [ 265.540835][ C1] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 265.548647][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 265.556546][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.564355][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001