./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2067635509 <...> Warning: Permanently added '10.128.0.109' (ED25519) to the list of known hosts. execve("./syz-executor2067635509", ["./syz-executor2067635509"], 0x7fffb3007630 /* 10 vars */) = 0 brk(NULL) = 0x555557343000 brk(0x555557343d00) = 0x555557343d00 arch_prctl(ARCH_SET_FS, 0x555557343380) = 0 set_tid_address(0x555557343650) = 293 set_robust_list(0x555557343660, 24) = 0 rseq(0x555557343ca0, 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-executor2067635509", 4096) = 28 getrandom("\x9f\x04\xcf\xe8\x5a\x73\x36\xdf", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557343d00 brk(0x555557364d00) = 0x555557364d00 brk(0x555557365000) = 0x555557365000 mprotect(0x7f09b566e000, 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=0x555557343650) = 294 ./strace-static-x86_64: Process 294 attached [pid 294] set_robust_list(0x555557343660, 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 [ 21.172599][ T30] audit: type=1400 audit(1693246077.713:66): avc: denied { execmem } for pid=293 comm="syz-executor206" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.175791][ T30] audit: type=1400 audit(1693246077.713:67): avc: denied { mounton } for pid=294 comm="syz-executor206" 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 [ 21.179987][ T30] audit: type=1400 audit(1693246077.713:68): avc: denied { mount } for pid=294 comm="syz-executor206" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 21.183810][ T30] audit: type=1400 audit(1693246077.723:69): avc: denied { mounton } for pid=294 comm="syz-executor206" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 21.197321][ T30] audit: type=1400 audit(1693246077.733:70): avc: denied { mounton } for pid=294 comm="syz-executor206" path="/dev/binderfs" dev="devtmpfs" ino=362 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 21.220306][ T30] audit: type=1400 audit(1693246077.733:71): avc: denied { mount } for pid=294 comm="syz-executor206" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 121.208126][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 121.214968][ C0] (detected by 0, t=10002 jiffies, g=353, q=2220) [ 121.221304][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294949339-4294939337), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 121.234578][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g353 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 121.245515][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 121.255320][ C0] rcu: RCU grace-period kthread stack dump: [ 121.261077][ C0] task:rcu_preempt state:R running task stack:28288 pid: 14 ppid: 2 flags:0x00004000 [ 121.271641][ C0] Call Trace: [ 121.274763][ C0] [ 121.277541][ C0] __schedule+0xcbe/0x1580 [ 121.281794][ C0] ? release_firmware_map_entry+0x18f/0x18f [ 121.287536][ C0] ? __kasan_check_write+0x14/0x20 [ 121.292468][ C0] schedule+0x11f/0x1e0 [ 121.296463][ C0] schedule_timeout+0x18c/0x370 [ 121.301147][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 121.306182][ C0] ? console_conditional_schedule+0x30/0x30 [ 121.311924][ C0] ? update_process_times+0x200/0x200 [ 121.317118][ C0] ? prepare_to_swait_event+0x308/0x320 [ 121.322585][ C0] rcu_gp_fqs_loop+0x29f/0xe60 [ 121.327194][ C0] ? debug_smp_processor_id+0x17/0x20 [ 121.332391][ C0] ? __note_gp_changes+0x4ab/0x920 [ 121.337339][ C0] ? rcu_gp_init+0xc20/0xc20 [ 121.341769][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 121.346811][ C0] ? rcu_gp_init+0x9c5/0xc20 [ 121.351226][ C0] rcu_gp_kthread+0xa4/0x350 [ 121.355654][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 121.360340][ C0] ? rcu_barrier_callback+0x50/0x50 [ 121.365380][ C0] ? __kasan_check_read+0x11/0x20 [ 121.370250][ C0] ? __kthread_parkme+0xb2/0x200 [ 121.375007][ C0] kthread+0x421/0x510 [ 121.379000][ C0] ? rcu_barrier_callback+0x50/0x50 [ 121.384035][ C0] ? kthread_blkcg+0xd0/0xd0 [ 121.388461][ C0] ret_from_fork+0x1f/0x30 [ 121.392713][ C0] [ 121.395577][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 121.401741][ C0] NMI backtrace for cpu 0 [ 121.405906][ C0] CPU: 0 PID: 295 Comm: syz-executor206 Not tainted 5.15.123-syzkaller-00688-g83c56fbab45d #0 [ 121.415977][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 121.425961][ C0] Call Trace: [ 121.429080][ C0] [ 121.431773][ C0] dump_stack_lvl+0x151/0x1b7 [ 121.436296][ C0] ? io_uring_drop_tctx_refs+0x190/0x190 [ 121.441752][ C0] dump_stack+0x15/0x17 [ 121.445744][ C0] nmi_cpu_backtrace+0x2f7/0x300 [ 121.450529][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 121.456510][ C0] ? panic+0x751/0x751 [ 121.460419][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 121.466320][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 121.472135][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 121.478034][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 121.483763][ C0] rcu_check_gp_kthread_starvation+0x1e3/0x250 [ 121.489752][ C0] print_other_cpu_stall+0x112d/0x1340 [ 121.495046][ C0] ? generic_exec_single+0x271/0x400 [ 121.500169][ C0] ? rcu_stall_kick_kthreads+0x240/0x240 [ 121.505634][ C0] ? timekeeping_update+0x392/0x460 [ 121.510667][ C0] rcu_sched_clock_irq+0x97c/0x18e0 [ 121.515701][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 121.521693][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 121.526724][ C0] update_process_times+0x198/0x200 [ 121.531757][ C0] tick_sched_timer+0x188/0x240 [ 121.536445][ C0] ? tick_setup_sched_timer+0x480/0x480 [ 121.541825][ C0] __hrtimer_run_queues+0x41a/0xad0 [ 121.546862][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 121.551806][ C0] ? clockevents_program_event+0x22f/0x300 [ 121.557448][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 121.563437][ C0] hrtimer_interrupt+0x40c/0xaa0 [ 121.568212][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 121.573947][ C0] sysvec_apic_timer_interrupt+0x95/0xc0 [ 121.579407][ C0] [ 121.582182][ C0] [ 121.584968][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 121.590795][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 121.595551][ 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 [ 121.614995][ C0] RSP: 0018:ffffc90000986b00 EFLAGS: 00000246 [ 121.620901][ C0] RAX: 0000000000000003 RBX: 1ffff92000130d64 RCX: ffffffff8154cfdf [ 121.628707][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3c3ec [ 121.636520][ C0] RBP: ffffc90000986bb0 R08: dffffc0000000000 R09: fffffbfff0de787e [ 121.644330][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 121.652225][ C0] R13: ffffffff86f3c3ec R14: 0000000000000003 R15: 1ffff92000130d68 [ 121.660042][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 121.666124][ C0] ? asm_common_interrupt+0x27/0x40 [ 121.671146][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 121.676097][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 121.682170][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 121.688075][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 121.694321][ C0] ? __kmalloc+0x13a/0x270 [ 121.698574][ C0] ? kvmalloc_node+0x1f0/0x4d0 [ 121.703184][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 121.707951][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 121.712982][ C0] ? __kasan_check_read+0x11/0x20 [ 121.717842][ C0] get_dist_table+0x207/0x2e0 [ 121.722356][ C0] netem_change+0xa05/0x20c0 [ 121.726795][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 121.731556][ C0] ? do_syscall_64+0x3d/0xb0 [ 121.735982][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 121.741936][ C0] ? netem_destroy+0xc0/0xc0 [ 121.746314][ C0] ? hrtimer_init+0x30/0x160 [ 121.750737][ C0] netem_init+0x5b/0xb0 [ 121.754731][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 121.759852][ C0] qdisc_create+0x890/0x12e0 [ 121.764277][ C0] ? qdisc_notify+0x370/0x370 [ 121.768791][ C0] ? __nla_parse+0x43/0x60 [ 121.773044][ C0] tc_modify_qdisc+0x8b4/0x14b0 [ 121.777733][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 121.783463][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 121.789977][ C0] ? ns_capable+0x89/0xe0 [ 121.794145][ C0] ? netlink_net_capable+0x125/0x160 [ 121.799262][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 121.804988][ C0] rtnetlink_rcv_msg+0x951/0xc40 [ 121.809759][ C0] ? rtnetlink_bind+0x80/0x80 [ 121.814269][ C0] ? avc_denied+0x13f/0x1b0 [ 121.818622][ C0] ? avc_has_perm_noaudit+0x2dd/0x430 [ 121.823816][ C0] ? avc_denied+0x1b0/0x1b0 [ 121.828158][ C0] ? avc_has_perm+0x16f/0x260 [ 121.832671][ C0] ? ____kasan_kmalloc+0xed/0x110 [ 121.837532][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 121.842738][ C0] ? do_syscall_64+0x3d/0xb0 [ 121.847254][ C0] netlink_rcv_skb+0x1cf/0x410 [ 121.851852][ C0] ? rtnetlink_bind+0x80/0x80 [ 121.856366][ C0] ? netlink_ack+0xb10/0xb10 [ 121.860979][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 121.865922][ C0] rtnetlink_rcv+0x1c/0x20 [ 121.870252][ C0] netlink_unicast+0x8df/0xac0 [ 121.874855][ C0] ? netlink_detachskb+0x90/0x90 [ 121.879637][ C0] ? security_netlink_send+0x7b/0xa0 [ 121.884759][ C0] netlink_sendmsg+0xa0a/0xd20 [ 121.889349][ C0] ? netlink_getsockopt+0x560/0x560 [ 121.894384][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 121.899675][ C0] ? netlink_getsockopt+0x560/0x560 [ 121.904709][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 121.909311][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 121.914170][ C0] ? import_iovec+0xe5/0x120 [ 121.918595][ C0] ___sys_sendmsg+0x252/0x2e0 [ 121.923113][ C0] ? __sys_sendmsg+0x260/0x260 [ 121.927710][ C0] ? finish_task_switch+0x167/0x7b0 [ 121.932752][ C0] ? __schedule+0xcc6/0x1580 [ 121.937170][ C0] ? __kasan_check_write+0x14/0x20 [ 121.942119][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 121.947067][ C0] ? __kasan_check_read+0x11/0x20 [ 121.951928][ C0] ? __fdget+0x179/0x240 [ 121.956006][ C0] __se_sys_sendmsg+0x19a/0x260 [ 121.960693][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 121.965724][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 121.970500][ C0] ? __kasan_check_read+0x11/0x20 [ 121.975387][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 121.979961][ C0] do_syscall_64+0x3d/0xb0 [ 121.984224][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 121.991419][ C0] RIP: 0033:0x7f09b55fafc9 [ 121.995672][ 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 [ 122.015120][ C0] RSP: 002b:00007fff63a299a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 122.023361][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f09b55fafc9 [ 122.031183][ C0] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 122.038983][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555557344610 [ 122.046828][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 122.054606][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 00007fff63a299c0 [ 122.062444][ C0] [ 265.041323][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [syz-executor206:295] [ 265.049787][ C0] Modules linked in: [ 265.053513][ C0] CPU: 0 PID: 295 Comm: syz-executor206 Not tainted 5.15.123-syzkaller-00688-g83c56fbab45d #0 [ 265.063582][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 265.073478][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 265.078265][ 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 [ 265.098360][ C0] RSP: 0018:ffffc90000986b00 EFLAGS: 00000246 [ 265.104256][ C0] RAX: 0000000000000003 RBX: 1ffff92000130d64 RCX: ffffffff8154cfdf [ 265.112068][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3c3ec [ 265.119885][ C0] RBP: ffffc90000986bb0 R08: dffffc0000000000 R09: fffffbfff0de787e [ 265.127701][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.135503][ C0] R13: ffffffff86f3c3ec R14: 0000000000000003 R15: 1ffff92000130d68 [ 265.143317][ C0] FS: 0000555557343380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 265.152212][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.158703][ C0] CR2: 0000000000000000 CR3: 000000011eb9d000 CR4: 00000000003506b0 [ 265.166501][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.174299][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.182118][ C0] Call Trace: [ 265.185234][ C0] [ 265.187928][ C0] ? show_regs+0x58/0x60 [ 265.192020][ C0] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.196955][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.202073][ C0] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.207283][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.212228][ C0] ? clockevents_program_event+0x22f/0x300 [ 265.217869][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.223859][ C0] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.228824][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.234708][ C0] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.240525][ C0] [ 265.243299][ C0] [ 265.246092][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.252066][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.258154][ C0] ? kvm_wait+0x147/0x180 [ 265.262308][ C0] ? asm_common_interrupt+0x27/0x40 [ 265.267346][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 265.272290][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.278457][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 265.284355][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.290604][ C0] ? __kmalloc+0x13a/0x270 [ 265.294941][ C0] ? kvmalloc_node+0x1f0/0x4d0 [ 265.299543][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 265.304500][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.309562][ C0] ? __kasan_check_read+0x11/0x20 [ 265.314389][ C0] get_dist_table+0x207/0x2e0 [ 265.318908][ C0] netem_change+0xa05/0x20c0 [ 265.323487][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.328195][ C0] ? do_syscall_64+0x3d/0xb0 [ 265.332708][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.338696][ C0] ? netem_destroy+0xc0/0xc0 [ 265.343133][ C0] ? hrtimer_init+0x30/0x160 [ 265.347554][ C0] netem_init+0x5b/0xb0 [ 265.352076][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 265.357269][ C0] qdisc_create+0x890/0x12e0 [ 265.361722][ C0] ? qdisc_notify+0x370/0x370 [ 265.366209][ C0] ? __nla_parse+0x43/0x60 [ 265.370459][ C0] tc_modify_qdisc+0x8b4/0x14b0 [ 265.375148][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.380876][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 265.387306][ C0] ? ns_capable+0x89/0xe0 [ 265.391465][ C0] ? netlink_net_capable+0x125/0x160 [ 265.396584][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.402314][ C0] rtnetlink_rcv_msg+0x951/0xc40 [ 265.407090][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.411599][ C0] ? avc_denied+0x13f/0x1b0 [ 265.415942][ C0] ? avc_has_perm_noaudit+0x2dd/0x430 [ 265.421149][ C0] ? avc_denied+0x1b0/0x1b0 [ 265.425489][ C0] ? avc_has_perm+0x16f/0x260 [ 265.430002][ C0] ? ____kasan_kmalloc+0xed/0x110 [ 265.434862][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 265.440154][ C0] ? do_syscall_64+0x3d/0xb0 [ 265.444582][ C0] netlink_rcv_skb+0x1cf/0x410 [ 265.449194][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.453695][ C0] ? netlink_ack+0xb10/0xb10 [ 265.458125][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 265.462982][ C0] rtnetlink_rcv+0x1c/0x20 [ 265.467235][ C0] netlink_unicast+0x8df/0xac0 [ 265.471833][ C0] ? netlink_detachskb+0x90/0x90 [ 265.476698][ C0] ? security_netlink_send+0x7b/0xa0 [ 265.481816][ C0] netlink_sendmsg+0xa0a/0xd20 [ 265.486420][ C0] ? netlink_getsockopt+0x560/0x560 [ 265.491448][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 265.496749][ C0] ? netlink_getsockopt+0x560/0x560 [ 265.501780][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 265.506378][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 265.511237][ C0] ? import_iovec+0xe5/0x120 [ 265.515678][ C0] ___sys_sendmsg+0x252/0x2e0 [ 265.520180][ C0] ? __sys_sendmsg+0x260/0x260 [ 265.525039][ C0] ? finish_task_switch+0x167/0x7b0 [ 265.530075][ C0] ? __schedule+0xcc6/0x1580 [ 265.534514][ C0] ? __kasan_check_write+0x14/0x20 [ 265.539708][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.544658][ C0] ? __kasan_check_read+0x11/0x20 [ 265.549514][ C0] ? __fdget+0x179/0x240 [ 265.553593][ C0] __se_sys_sendmsg+0x19a/0x260 [ 265.558455][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.563491][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 265.568261][ C0] ? __kasan_check_read+0x11/0x20 [ 265.573122][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 265.577723][ C0] do_syscall_64+0x3d/0xb0 [ 265.581980][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.587705][ C0] RIP: 0033:0x7f09b55fafc9 [ 265.591967][ 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 [ 265.611404][ C0] RSP: 002b:00007fff63a299a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.619644][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f09b55fafc9 [ 265.627456][ C0] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 265.635272][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555557344610 [ 265.643077][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.650894][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 00007fff63a299c0 [ 265.658789][ C0]