./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2622130287 <...> Warning: Permanently added '10.128.0.92' (ED25519) to the list of known hosts. execve("./syz-executor2622130287", ["./syz-executor2622130287"], 0x7ffeb4fac990 /* 10 vars */) = 0 brk(NULL) = 0x5555568e7000 brk(0x5555568e7d00) = 0x5555568e7d00 arch_prctl(ARCH_SET_FS, 0x5555568e7380) = 0 set_tid_address(0x5555568e7650) = 294 set_robust_list(0x5555568e7660, 24) = 0 rseq(0x5555568e7ca0, 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-executor2622130287", 4096) = 28 getrandom("\xd8\xb8\x54\x00\x06\xf7\xed\x12", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555568e7d00 brk(0x555556908d00) = 0x555556908d00 brk(0x555556909000) = 0x555556909000 mprotect(0x7f893c6c9000, 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./strace-static-x86_64: Process 295 attached , child_tidptr=0x5555568e7650) = 295 [pid 295] set_robust_list(0x5555568e7660, 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 [ 22.946529][ T30] audit: type=1400 audit(1693323852.102:66): avc: denied { execmem } for pid=294 comm="syz-executor262" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.968902][ T30] audit: type=1400 audit(1693323852.132:67): avc: denied { mounton } for pid=295 comm="syz-executor262" 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 [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 [ 22.994707][ T30] audit: type=1400 audit(1693323852.132:68): avc: denied { mount } for pid=295 comm="syz-executor262" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 23.017856][ T30] audit: type=1400 audit(1693323852.162:69): avc: denied { mounton } for pid=295 comm="syz-executor262" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 23.039888][ T30] audit: type=1400 audit(1693323852.182:70): avc: denied { mounton } for pid=295 comm="syz-executor262" path="/dev/binderfs" dev="devtmpfs" ino=362 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 23.063269][ T30] audit: type=1400 audit(1693323852.182:71): avc: denied { mount } for pid=295 comm="syz-executor262" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 123.018253][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 123.025014][ C0] (detected by 0, t=10002 jiffies, g=597, q=2222) [ 123.031349][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10001 (4294949524-4294939523), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 123.044538][ C0] rcu: rcu_preempt kthread starved for 10001 jiffies! g597 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 123.055385][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 123.065193][ C0] rcu: RCU grace-period kthread stack dump: [ 123.070927][ C0] task:rcu_preempt state:R running task stack:28328 pid: 14 ppid: 2 flags:0x00004000 [ 123.081511][ C0] Call Trace: [ 123.084637][ C0] [ 123.087416][ C0] __schedule+0xcbe/0x1580 [ 123.091668][ C0] ? release_firmware_map_entry+0x18f/0x18f [ 123.097396][ C0] ? del_timer_sync+0x1bc/0x230 [ 123.102080][ C0] ? __kasan_check_write+0x14/0x20 [ 123.107027][ C0] schedule+0x11f/0x1e0 [ 123.111030][ C0] schedule_timeout+0x18c/0x370 [ 123.115708][ C0] ? __kasan_check_write+0x14/0x20 [ 123.120654][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 123.125947][ C0] ? console_conditional_schedule+0x30/0x30 [ 123.131680][ C0] ? update_process_times+0x200/0x200 [ 123.136883][ C0] ? prepare_to_swait_event+0x308/0x320 [ 123.142354][ C0] rcu_gp_fqs_loop+0x29f/0xe60 [ 123.146951][ C0] ? dump_blkd_tasks+0x7e0/0x7e0 [ 123.151727][ C0] ? rcu_gp_init+0xc20/0xc20 [ 123.156151][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 123.161197][ C0] ? rcu_gp_init+0x9c5/0xc20 [ 123.165617][ C0] rcu_gp_kthread+0xa4/0x350 [ 123.170041][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 123.174899][ C0] ? rcu_barrier_callback+0x50/0x50 [ 123.179933][ C0] ? __kasan_check_read+0x11/0x20 [ 123.184800][ C0] ? __kthread_parkme+0xb2/0x200 [ 123.189568][ C0] kthread+0x421/0x510 [ 123.193475][ C0] ? rcu_barrier_callback+0x50/0x50 [ 123.198510][ C0] ? kthread_blkcg+0xd0/0xd0 [ 123.202935][ C0] ret_from_fork+0x1f/0x30 [ 123.207188][ C0] [ 123.210073][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 123.216216][ C0] NMI backtrace for cpu 0 [ 123.220382][ C0] CPU: 0 PID: 296 Comm: syz-executor262 Not tainted 5.15.123-syzkaller-00688-g83c56fbab45d #0 [ 123.230447][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 123.240469][ C0] Call Trace: [ 123.243576][ C0] [ 123.246283][ C0] dump_stack_lvl+0x151/0x1b7 [ 123.250789][ C0] ? io_uring_drop_tctx_refs+0x190/0x190 [ 123.256727][ C0] dump_stack+0x15/0x17 [ 123.260714][ C0] nmi_cpu_backtrace+0x2f7/0x300 [ 123.265482][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 123.271482][ C0] ? panic+0x751/0x751 [ 123.275400][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 123.281276][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 123.287727][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 123.293639][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 123.302568][ C0] rcu_check_gp_kthread_starvation+0x1e3/0x250 [ 123.308556][ C0] print_other_cpu_stall+0x112d/0x1340 [ 123.313864][ C0] ? generic_exec_single+0x271/0x400 [ 123.318970][ C0] ? rcu_stall_kick_kthreads+0x240/0x240 [ 123.324473][ C0] ? timekeeping_update+0x392/0x460 [ 123.329570][ C0] rcu_sched_clock_irq+0x97c/0x18e0 [ 123.334684][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 123.340864][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 123.345908][ C0] update_process_times+0x198/0x200 [ 123.351010][ C0] tick_sched_timer+0x188/0x240 [ 123.355778][ C0] ? tick_setup_sched_timer+0x480/0x480 [ 123.361169][ C0] __hrtimer_run_queues+0x41a/0xad0 [ 123.366198][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 123.371225][ C0] ? clockevents_program_event+0x22f/0x300 [ 123.376913][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 123.382960][ C0] hrtimer_interrupt+0x40c/0xaa0 [ 123.387725][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 123.393474][ C0] sysvec_apic_timer_interrupt+0x95/0xc0 [ 123.399100][ C0] [ 123.401867][ C0] [ 123.404645][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 123.410543][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 123.415407][ 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 [ 123.435194][ C0] RSP: 0018:ffffc900009c6b00 EFLAGS: 00000246 [ 123.441093][ C0] RAX: 0000000000000003 RBX: 1ffff92000138d64 RCX: ffffffff8154cfdf [ 123.448994][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3c3ec [ 123.456804][ C0] RBP: ffffc900009c6bb0 R08: dffffc0000000000 R09: fffffbfff0de787e [ 123.464630][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 123.472429][ C0] R13: ffffffff86f3c3ec R14: 0000000000000003 R15: 1ffff92000138d68 [ 123.480334][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 123.486410][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 123.492431][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 123.497346][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 123.503421][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 123.509322][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 123.515590][ C0] ? __kmalloc+0x13a/0x270 [ 123.519824][ C0] ? kvmalloc_node+0x1f0/0x4d0 [ 123.524427][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 123.529197][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 123.534232][ C0] ? __kasan_check_read+0x11/0x20 [ 123.539091][ C0] get_dist_table+0x207/0x2e0 [ 123.543617][ C0] netem_change+0xa05/0x20c0 [ 123.548034][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 123.552806][ C0] ? do_syscall_64+0x3d/0xb0 [ 123.557232][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 123.563224][ C0] ? netem_destroy+0xc0/0xc0 [ 123.567649][ C0] ? hrtimer_init+0x30/0x160 [ 123.572247][ C0] netem_init+0x5b/0xb0 [ 123.576239][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 123.581448][ C0] qdisc_create+0x890/0x12e0 [ 123.585875][ C0] ? qdisc_notify+0x370/0x370 [ 123.590388][ C0] ? __nla_parse+0x43/0x60 [ 123.594639][ C0] tc_modify_qdisc+0x8b4/0x14b0 [ 123.599328][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 123.605057][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 123.611487][ C0] ? ns_capable+0x89/0xe0 [ 123.615643][ C0] ? netlink_net_capable+0x125/0x160 [ 123.620766][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 123.626491][ C0] rtnetlink_rcv_msg+0x951/0xc40 [ 123.631270][ C0] ? rtnetlink_bind+0x80/0x80 [ 123.635778][ C0] ? avc_denied+0x13f/0x1b0 [ 123.640124][ C0] ? avc_has_perm_noaudit+0x2dd/0x430 [ 123.645328][ C0] ? avc_denied+0x1b0/0x1b0 [ 123.649681][ C0] ? avc_has_perm+0x16f/0x260 [ 123.654178][ C0] ? ____kasan_kmalloc+0xed/0x110 [ 123.659038][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 123.664331][ C0] ? do_syscall_64+0x3d/0xb0 [ 123.668762][ C0] netlink_rcv_skb+0x1cf/0x410 [ 123.673360][ C0] ? rtnetlink_bind+0x80/0x80 [ 123.677882][ C0] ? netlink_ack+0xb10/0xb10 [ 123.682300][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 123.687159][ C0] rtnetlink_rcv+0x1c/0x20 [ 123.691413][ C0] netlink_unicast+0x8df/0xac0 [ 123.696012][ C0] ? netlink_detachskb+0x90/0x90 [ 123.700787][ C0] ? security_netlink_send+0x7b/0xa0 [ 123.705908][ C0] netlink_sendmsg+0xa0a/0xd20 [ 123.710509][ C0] ? netlink_getsockopt+0x560/0x560 [ 123.715541][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 123.720833][ C0] ? netlink_getsockopt+0x560/0x560 [ 123.725868][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 123.730469][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 123.735360][ C0] ? import_iovec+0xe5/0x120 [ 123.739766][ C0] ___sys_sendmsg+0x252/0x2e0 [ 123.744277][ C0] ? __sys_sendmsg+0x260/0x260 [ 123.749209][ C0] ? finish_task_switch+0x167/0x7b0 [ 123.754223][ C0] ? __schedule+0xcc6/0x1580 [ 123.758650][ C0] ? __kasan_check_write+0x14/0x20 [ 123.763595][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 123.768546][ C0] ? __kasan_check_read+0x11/0x20 [ 123.773407][ C0] ? __fdget+0x179/0x240 [ 123.777486][ C0] __se_sys_sendmsg+0x19a/0x260 [ 123.782174][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 123.787207][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 123.791979][ C0] ? __kasan_check_read+0x11/0x20 [ 123.796839][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 123.801439][ C0] do_syscall_64+0x3d/0xb0 [ 123.805690][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 123.811419][ C0] RIP: 0033:0x7f893c655fc9 [ 123.815682][ 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 [ 123.835208][ C0] RSP: 002b:00007ffe40135d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 123.843446][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f893c655fc9 [ 123.851347][ C0] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 123.859154][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555568e8610 [ 123.866965][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 123.874777][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 123.882596][ C0] [ 265.027511][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [syz-executor262:296] [ 265.036029][ C0] Modules linked in: [ 265.039759][ C0] CPU: 0 PID: 296 Comm: syz-executor262 Not tainted 5.15.123-syzkaller-00688-g83c56fbab45d #0 [ 265.049824][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 265.059731][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 265.064501][ 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 [ 265.084552][ C0] RSP: 0018:ffffc900009c6b00 EFLAGS: 00000246 [ 265.090446][ C0] RAX: 0000000000000003 RBX: 1ffff92000138d64 RCX: ffffffff8154cfdf [ 265.098257][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3c3ec [ 265.106067][ C0] RBP: ffffc900009c6bb0 R08: dffffc0000000000 R09: fffffbfff0de787e [ 265.113878][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.121863][ C0] R13: ffffffff86f3c3ec R14: 0000000000000003 R15: 1ffff92000138d68 [ 265.129675][ C0] FS: 00005555568e7380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 265.138447][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.144864][ C0] CR2: 0000000000000000 CR3: 000000011e725000 CR4: 00000000003506b0 [ 265.152687][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.160487][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.168295][ C0] Call Trace: [ 265.171424][ C0] [ 265.174113][ C0] ? show_regs+0x58/0x60 [ 265.178192][ C0] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.183140][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.188261][ C0] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.193474][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.198437][ C0] ? clockevents_program_event+0x22f/0x300 [ 265.204058][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.209960][ C0] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.214908][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.220807][ C0] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.226449][ C0] [ 265.229244][ C0] [ 265.232003][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.237993][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.244064][ C0] ? kvm_wait+0x147/0x180 [ 265.248232][ C0] ? asm_common_interrupt+0x27/0x40 [ 265.253269][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 265.258213][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.264292][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 265.270320][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.276559][ C0] ? __kmalloc+0x13a/0x270 [ 265.280801][ C0] ? kvmalloc_node+0x1f0/0x4d0 [ 265.285403][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 265.290186][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.295209][ C0] ? __kasan_check_read+0x11/0x20 [ 265.300089][ C0] get_dist_table+0x207/0x2e0 [ 265.304591][ C0] netem_change+0xa05/0x20c0 [ 265.309024][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.313784][ C0] ? do_syscall_64+0x3d/0xb0 [ 265.318207][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.324118][ C0] ? netem_destroy+0xc0/0xc0 [ 265.328543][ C0] ? hrtimer_init+0x30/0x160 [ 265.332962][ C0] netem_init+0x5b/0xb0 [ 265.336965][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 265.342078][ C0] qdisc_create+0x890/0x12e0 [ 265.346505][ C0] ? qdisc_notify+0x370/0x370 [ 265.351020][ C0] ? __nla_parse+0x43/0x60 [ 265.355270][ C0] tc_modify_qdisc+0x8b4/0x14b0 [ 265.359959][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.365688][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 265.372108][ C0] ? ns_capable+0x89/0xe0 [ 265.376272][ C0] ? netlink_net_capable+0x125/0x160 [ 265.381395][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.387124][ C0] rtnetlink_rcv_msg+0x951/0xc40 [ 265.391901][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.396424][ C0] ? avc_denied+0x13f/0x1b0 [ 265.400753][ C0] ? avc_has_perm_noaudit+0x2dd/0x430 [ 265.405966][ C0] ? avc_denied+0x1b0/0x1b0 [ 265.410303][ C0] ? avc_has_perm+0x16f/0x260 [ 265.414809][ C0] ? ____kasan_kmalloc+0xed/0x110 [ 265.419769][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 265.424969][ C0] ? do_syscall_64+0x3d/0xb0 [ 265.429397][ C0] netlink_rcv_skb+0x1cf/0x410 [ 265.433994][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.438510][ C0] ? netlink_ack+0xb10/0xb10 [ 265.442932][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 265.447943][ C0] rtnetlink_rcv+0x1c/0x20 [ 265.452191][ C0] netlink_unicast+0x8df/0xac0 [ 265.456800][ C0] ? netlink_detachskb+0x90/0x90 [ 265.461670][ C0] ? security_netlink_send+0x7b/0xa0 [ 265.466869][ C0] netlink_sendmsg+0xa0a/0xd20 [ 265.471478][ C0] ? netlink_getsockopt+0x560/0x560 [ 265.476516][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 265.481809][ C0] ? netlink_getsockopt+0x560/0x560 [ 265.486833][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 265.491434][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 265.496291][ C0] ? import_iovec+0xe5/0x120 [ 265.500715][ C0] ___sys_sendmsg+0x252/0x2e0 [ 265.505229][ C0] ? __sys_sendmsg+0x260/0x260 [ 265.509830][ C0] ? finish_task_switch+0x167/0x7b0 [ 265.514874][ C0] ? __schedule+0xcc6/0x1580 [ 265.519291][ C0] ? __kasan_check_write+0x14/0x20 [ 265.524234][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.529187][ C0] ? __kasan_check_read+0x11/0x20 [ 265.534042][ C0] ? __fdget+0x179/0x240 [ 265.538128][ C0] __se_sys_sendmsg+0x19a/0x260 [ 265.542812][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.547845][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 265.552622][ C0] ? __kasan_check_read+0x11/0x20 [ 265.557568][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 265.562165][ C0] do_syscall_64+0x3d/0xb0 [ 265.566415][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.572148][ C0] RIP: 0033:0x7f893c655fc9 [ 265.576402][ 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 [ 265.595841][ C0] RSP: 002b:00007ffe40135d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.604083][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f893c655fc9 [ 265.612078][ C0] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 265.619888][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555568e8610 [ 265.627702][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.635503][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 265.643320][ C0]