./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor933110555 <...> Warning: Permanently added '10.128.0.39' (ED25519) to the list of known hosts. execve("./syz-executor933110555", ["./syz-executor933110555"], 0x7ffd195144d0 /* 10 vars */) = 0 brk(NULL) = 0x555555590000 brk(0x555555590d00) = 0x555555590d00 arch_prctl(ARCH_SET_FS, 0x555555590380) = 0 set_tid_address(0x555555590650) = 296 set_robust_list(0x555555590660, 24) = 0 rseq(0x555555590ca0, 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-executor933110555", 4096) = 27 getrandom("\xc9\x3c\x12\x65\x0a\xe8\x7c\xb0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555590d00 brk(0x5555555b1d00) = 0x5555555b1d00 brk(0x5555555b2000) = 0x5555555b2000 mprotect(0x7fde719cb000, 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=0x555555590650) = 297 ./strace-static-x86_64: Process 297 attached [pid 297] set_robust_list(0x555555590660, 24) = 0 [pid 297] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 297] setsid() = 1 [pid 297] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 297] unshare(CLONE_NEWNS) = 0 [pid 297] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 297] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 297] unshare(CLONE_NEWCGROUP) = 0 [pid 297] unshare(CLONE_NEWUTS) = 0 [pid 297] unshare(CLONE_SYSVSEM) = 0 [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] getpid() = 1 [pid 297] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 24.369166][ T30] audit: type=1400 audit(1693192401.603:66): avc: denied { execmem } for pid=296 comm="syz-executor933" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 24.375518][ T30] audit: type=1400 audit(1693192401.603:67): avc: denied { mounton } for pid=297 comm="syz-executor933" 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 [ 24.383929][ T30] audit: type=1400 audit(1693192401.603:68): avc: denied { mount } for pid=297 comm="syz-executor933" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 24.395418][ T30] audit: type=1400 audit(1693192401.603:69): avc: denied { mounton } for pid=297 comm="syz-executor933" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 24.417737][ T30] audit: type=1400 audit(1693192401.623:70): avc: denied { mounton } for pid=297 comm="syz-executor933" path="/dev/binderfs" dev="devtmpfs" ino=362 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 24.440593][ T30] audit: type=1400 audit(1693192401.623:71): avc: denied { mount } for pid=297 comm="syz-executor933" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 124.407993][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 124.419890][ C1] (detected by 1, t=10002 jiffies, g=633, q=2188) [ 124.426213][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294949661-4294939659), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 124.439736][ C1] rcu: rcu_preempt kthread starved for 10005 jiffies! g633 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 124.450684][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 124.460471][ C1] rcu: RCU grace-period kthread stack dump: [ 124.466199][ C1] task:rcu_preempt state:R running task stack:28328 pid: 14 ppid: 2 flags:0x00004000 [ 124.477015][ C1] Call Trace: [ 124.480152][ C1] [ 124.483040][ C1] __schedule+0xcbe/0x1580 [ 124.487378][ C1] ? release_firmware_map_entry+0x18f/0x18f [ 124.493102][ C1] ? __kasan_check_write+0x14/0x20 [ 124.498051][ C1] schedule+0x11f/0x1e0 [ 124.502041][ C1] schedule_timeout+0x18c/0x370 [ 124.506728][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 124.511937][ C1] ? console_conditional_schedule+0x30/0x30 [ 124.517676][ C1] ? update_process_times+0x200/0x200 [ 124.522958][ C1] ? prepare_to_swait_event+0x308/0x320 [ 124.528342][ C1] rcu_gp_fqs_loop+0x29f/0xe60 [ 124.532943][ C1] ? debug_smp_processor_id+0x17/0x20 [ 124.538153][ C1] ? __note_gp_changes+0x4ab/0x920 [ 124.543092][ C1] ? rcu_gp_init+0xc20/0xc20 [ 124.547528][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 124.552574][ C1] ? rcu_gp_init+0x9c5/0xc20 [ 124.557243][ C1] rcu_gp_kthread+0xa4/0x350 [ 124.561673][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 124.566356][ C1] ? rcu_barrier_callback+0x50/0x50 [ 124.571519][ C1] ? __kasan_check_read+0x11/0x20 [ 124.576334][ C1] ? __kthread_parkme+0xb2/0x200 [ 124.581109][ C1] kthread+0x421/0x510 [ 124.585015][ C1] ? rcu_barrier_callback+0x50/0x50 [ 124.590054][ C1] ? kthread_blkcg+0xd0/0xd0 [ 124.594670][ C1] ret_from_fork+0x1f/0x30 [ 124.598906][ C1] [ 124.601768][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 124.608026][ C1] NMI backtrace for cpu 1 [ 124.612180][ C1] CPU: 1 PID: 298 Comm: syz-executor933 Not tainted 5.15.123-syzkaller-00688-g83c56fbab45d #0 [ 124.622249][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 124.632142][ C1] Call Trace: [ 124.635271][ C1] [ 124.637960][ C1] dump_stack_lvl+0x151/0x1b7 [ 124.642482][ C1] ? io_uring_drop_tctx_refs+0x190/0x190 [ 124.647954][ C1] dump_stack+0x15/0x17 [ 124.651927][ C1] nmi_cpu_backtrace+0x2f7/0x300 [ 124.656705][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 124.662703][ C1] ? panic+0x751/0x751 [ 124.666610][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 124.672504][ C1] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 124.678318][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 124.684219][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 124.689944][ C1] rcu_check_gp_kthread_starvation+0x1e3/0x250 [ 124.695935][ C1] print_other_cpu_stall+0x112d/0x1340 [ 124.701228][ C1] ? generic_exec_single+0x271/0x400 [ 124.706350][ C1] ? rcu_stall_kick_kthreads+0x240/0x240 [ 124.711819][ C1] ? timekeeping_update+0x392/0x460 [ 124.716852][ C1] rcu_sched_clock_irq+0x97c/0x18e0 [ 124.722069][ C1] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 124.728056][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 124.733314][ C1] update_process_times+0x198/0x200 [ 124.738334][ C1] tick_sched_timer+0x188/0x240 [ 124.743127][ C1] ? tick_setup_sched_timer+0x480/0x480 [ 124.748511][ C1] __hrtimer_run_queues+0x41a/0xad0 [ 124.753540][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 124.758484][ C1] ? clockevents_program_event+0x22f/0x300 [ 124.764125][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 124.770043][ C1] hrtimer_interrupt+0x40c/0xaa0 [ 124.774807][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 124.780541][ C1] sysvec_apic_timer_interrupt+0x95/0xc0 [ 124.785997][ C1] [ 124.788773][ C1] [ 124.791554][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 124.797369][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 124.802176][ C1] 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 [ 124.821608][ C1] RSP: 0018:ffffc900009e6b00 EFLAGS: 00000246 [ 124.827483][ C1] RAX: 0000000000000003 RBX: 1ffff9200013cd64 RCX: ffffffff8154cfdf [ 124.835296][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3c3ec [ 124.843115][ C1] RBP: ffffc900009e6bb0 R08: dffffc0000000000 R09: fffffbfff0de787e [ 124.850925][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 124.858736][ C1] R13: ffffffff86f3c3ec R14: 0000000000000003 R15: 1ffff9200013cd68 [ 124.866566][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 124.872619][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 124.878607][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 124.884769][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 124.890848][ C1] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 124.896764][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 124.902998][ C1] ? __kmalloc+0x13a/0x270 [ 124.907247][ C1] ? kvmalloc_node+0x1f0/0x4d0 [ 124.911850][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 124.916622][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 124.921658][ C1] ? __kasan_check_read+0x11/0x20 [ 124.926514][ C1] get_dist_table+0x207/0x2e0 [ 124.931028][ C1] netem_change+0xa05/0x20c0 [ 124.935468][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 124.940240][ C1] ? do_syscall_64+0x3d/0xb0 [ 124.944773][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 124.950654][ C1] ? netem_destroy+0xc0/0xc0 [ 124.955079][ C1] ? hrtimer_init+0x30/0x160 [ 124.959512][ C1] netem_init+0x5b/0xb0 [ 124.963499][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 124.969442][ C1] qdisc_create+0x890/0x12e0 [ 124.973843][ C1] ? qdisc_notify+0x370/0x370 [ 124.978772][ C1] ? __nla_parse+0x43/0x60 [ 124.983052][ C1] tc_modify_qdisc+0x8b4/0x14b0 [ 124.987730][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 124.993564][ C1] ? wait_for_completion_killable_timeout+0x10/0x10 [ 124.999982][ C1] ? ns_capable+0x89/0xe0 [ 125.004147][ C1] ? netlink_net_capable+0x125/0x160 [ 125.009266][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 125.014995][ C1] rtnetlink_rcv_msg+0x951/0xc40 [ 125.019770][ C1] ? rtnetlink_bind+0x80/0x80 [ 125.024292][ C1] ? avc_denied+0x13f/0x1b0 [ 125.028635][ C1] ? avc_has_perm_noaudit+0x2dd/0x430 [ 125.033834][ C1] ? avc_denied+0x1b0/0x1b0 [ 125.038173][ C1] ? avc_has_perm+0x16f/0x260 [ 125.042686][ C1] ? ____kasan_kmalloc+0xed/0x110 [ 125.047542][ C1] ? avc_has_perm_noaudit+0x430/0x430 [ 125.052778][ C1] ? do_syscall_64+0x3d/0xb0 [ 125.057179][ C1] netlink_rcv_skb+0x1cf/0x410 [ 125.061783][ C1] ? rtnetlink_bind+0x80/0x80 [ 125.066303][ C1] ? netlink_ack+0xb10/0xb10 [ 125.070716][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 125.075591][ C1] rtnetlink_rcv+0x1c/0x20 [ 125.079845][ C1] netlink_unicast+0x8df/0xac0 [ 125.084431][ C1] ? netlink_detachskb+0x90/0x90 [ 125.089204][ C1] ? security_netlink_send+0x7b/0xa0 [ 125.094532][ C1] netlink_sendmsg+0xa0a/0xd20 [ 125.099123][ C1] ? netlink_getsockopt+0x560/0x560 [ 125.104223][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 125.109452][ C1] ? netlink_getsockopt+0x560/0x560 [ 125.114663][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 125.119259][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 125.124118][ C1] ? import_iovec+0xe5/0x120 [ 125.128547][ C1] ___sys_sendmsg+0x252/0x2e0 [ 125.133074][ C1] ? __sys_sendmsg+0x260/0x260 [ 125.137670][ C1] ? finish_task_switch+0x167/0x7b0 [ 125.142700][ C1] ? __schedule+0xcc6/0x1580 [ 125.147120][ C1] ? __kasan_check_write+0x14/0x20 [ 125.152069][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 125.157014][ C1] ? __kasan_check_read+0x11/0x20 [ 125.161873][ C1] ? __fdget+0x179/0x240 [ 125.165956][ C1] __se_sys_sendmsg+0x19a/0x260 [ 125.170643][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 125.175937][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 125.180711][ C1] ? __kasan_check_read+0x11/0x20 [ 125.185574][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 125.190176][ C1] do_syscall_64+0x3d/0xb0 [ 125.194418][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 125.200150][ C1] RIP: 0033:0x7fde71957fc9 [ 125.204413][ 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 [ 125.223847][ C1] RSP: 002b:00007fff0f8323c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 125.232087][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fde71957fc9 [ 125.239899][ C1] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 125.247711][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555591610 [ 125.255522][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 125.263340][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 125.271146][ C1] [ 265.037130][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 225s! [syz-executor933:298] [ 265.045824][ C1] Modules linked in: [ 265.049644][ C1] CPU: 1 PID: 298 Comm: syz-executor933 Not tainted 5.15.123-syzkaller-00688-g83c56fbab45d #0 [ 265.059699][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 265.069594][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 265.074374][ C1] 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 [ 265.094249][ C1] RSP: 0018:ffffc900009e6b00 EFLAGS: 00000246 [ 265.100147][ C1] RAX: 0000000000000003 RBX: 1ffff9200013cd64 RCX: ffffffff8154cfdf [ 265.107971][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3c3ec [ 265.115764][ C1] RBP: ffffc900009e6bb0 R08: dffffc0000000000 R09: fffffbfff0de787e [ 265.123593][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.131386][ C1] R13: ffffffff86f3c3ec R14: 0000000000000003 R15: 1ffff9200013cd68 [ 265.139200][ C1] FS: 0000555555590380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 265.147965][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.154390][ C1] CR2: 0000000000000000 CR3: 000000011d20e000 CR4: 00000000003506a0 [ 265.162290][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.170097][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.177917][ C1] Call Trace: [ 265.181035][ C1] [ 265.183725][ C1] ? show_regs+0x58/0x60 [ 265.187802][ C1] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.192851][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.197993][ C1] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.203195][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.208139][ C1] ? clockevents_program_event+0x22f/0x300 [ 265.213783][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.219685][ C1] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.224639][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.230547][ C1] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.236176][ C1] [ 265.238950][ C1] [ 265.241729][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.247742][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.253799][ C1] ? kvm_wait+0x147/0x180 [ 265.257971][ C1] ? asm_common_interrupt+0x27/0x40 [ 265.263082][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 265.268032][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.274105][ C1] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 265.280007][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.286252][ C1] ? __kmalloc+0x13a/0x270 [ 265.290507][ C1] ? kvmalloc_node+0x1f0/0x4d0 [ 265.295114][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 265.299881][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.304921][ C1] ? __kasan_check_read+0x11/0x20 [ 265.309780][ C1] get_dist_table+0x207/0x2e0 [ 265.314378][ C1] netem_change+0xa05/0x20c0 [ 265.318889][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.323659][ C1] ? do_syscall_64+0x3d/0xb0 [ 265.328097][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.334095][ C1] ? netem_destroy+0xc0/0xc0 [ 265.338518][ C1] ? hrtimer_init+0x30/0x160 [ 265.342929][ C1] netem_init+0x5b/0xb0 [ 265.346922][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 265.352045][ C1] qdisc_create+0x890/0x12e0 [ 265.356473][ C1] ? qdisc_notify+0x370/0x370 [ 265.361069][ C1] ? __nla_parse+0x43/0x60 [ 265.365320][ C1] tc_modify_qdisc+0x8b4/0x14b0 [ 265.370011][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.375740][ C1] ? wait_for_completion_killable_timeout+0x10/0x10 [ 265.382160][ C1] ? ns_capable+0x89/0xe0 [ 265.386325][ C1] ? netlink_net_capable+0x125/0x160 [ 265.391445][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.397175][ C1] rtnetlink_rcv_msg+0x951/0xc40 [ 265.401958][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.406461][ C1] ? avc_denied+0x13f/0x1b0 [ 265.410805][ C1] ? avc_has_perm_noaudit+0x2dd/0x430 [ 265.416109][ C1] ? avc_denied+0x1b0/0x1b0 [ 265.420436][ C1] ? avc_has_perm+0x16f/0x260 [ 265.425072][ C1] ? ____kasan_kmalloc+0xed/0x110 [ 265.429933][ C1] ? avc_has_perm_noaudit+0x430/0x430 [ 265.435150][ C1] ? do_syscall_64+0x3d/0xb0 [ 265.439774][ C1] netlink_rcv_skb+0x1cf/0x410 [ 265.444372][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.448885][ C1] ? netlink_ack+0xb10/0xb10 [ 265.453329][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 265.458179][ C1] rtnetlink_rcv+0x1c/0x20 [ 265.462419][ C1] netlink_unicast+0x8df/0xac0 [ 265.467034][ C1] ? netlink_detachskb+0x90/0x90 [ 265.471891][ C1] ? security_netlink_send+0x7b/0xa0 [ 265.477007][ C1] netlink_sendmsg+0xa0a/0xd20 [ 265.481645][ C1] ? netlink_getsockopt+0x560/0x560 [ 265.486649][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 265.491943][ C1] ? netlink_getsockopt+0x560/0x560 [ 265.496982][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 265.501591][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 265.506435][ C1] ? import_iovec+0xe5/0x120 [ 265.510869][ C1] ___sys_sendmsg+0x252/0x2e0 [ 265.515375][ C1] ? __sys_sendmsg+0x260/0x260 [ 265.519971][ C1] ? finish_task_switch+0x167/0x7b0 [ 265.525009][ C1] ? __schedule+0xcc6/0x1580 [ 265.529433][ C1] ? __kasan_check_write+0x14/0x20 [ 265.534384][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.539332][ C1] ? __kasan_check_read+0x11/0x20 [ 265.544186][ C1] ? __fdget+0x179/0x240 [ 265.548266][ C1] __se_sys_sendmsg+0x19a/0x260 [ 265.553015][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.557996][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 265.562768][ C1] ? __kasan_check_read+0x11/0x20 [ 265.567620][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 265.572231][ C1] do_syscall_64+0x3d/0xb0 [ 265.576486][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.582221][ C1] RIP: 0033:0x7fde71957fc9 [ 265.586458][ 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 [ 265.605987][ C1] RSP: 002b:00007fff0f8323c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.614233][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fde71957fc9 [ 265.622043][ C1] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 265.629855][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555591610 [ 265.638004][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.646145][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 265.654044][ C1]