./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2821496370 <...> [ 3.092853][ T100] udevd[100]: starting eudev-3.2.11 [ 3.093730][ T99] udevd (99) used greatest stack depth: 23280 bytes left [ 6.667092][ T109] udevd (109) used greatest stack depth: 22608 bytes left [ 6.668300][ T107] udevd (107) used greatest stack depth: 22240 bytes left [ 11.993560][ T30] kauditd_printk_skb: 50 callbacks suppressed [ 11.993570][ T30] audit: type=1400 audit(1691069024.702:61): avc: denied { transition } for pid=224 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 [ 11.997878][ T30] audit: type=1400 audit(1691069024.712:62): avc: denied { noatsecure } for pid=224 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.000864][ T30] audit: type=1400 audit(1691069024.712:63): avc: denied { write } for pid=224 comm="sh" path="pipe:[13193]" dev="pipefs" ino=13193 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 12.004656][ T30] audit: type=1400 audit(1691069024.712:64): avc: denied { rlimitinh } for pid=224 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.007255][ T30] audit: type=1400 audit(1691069024.712:65): avc: denied { siginh } for pid=224 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.170' (ED25519) to the list of known hosts. execve("./syz-executor2821496370", ["./syz-executor2821496370"], 0x7fff2048e6c0 /* 10 vars */) = 0 brk(NULL) = 0x555557393000 brk(0x555557393d00) = 0x555557393d00 arch_prctl(ARCH_SET_FS, 0x555557393380) = 0 set_tid_address(0x555557393650) = 293 set_robust_list(0x555557393660, 24) = 0 rseq(0x555557393ca0, 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-executor2821496370", 4096) = 28 getrandom("\xf3\xff\xfb\xd0\x76\x8a\x44\xf0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557393d00 brk(0x5555573b4d00) = 0x5555573b4d00 brk(0x5555573b5000) = 0x5555573b5000 mprotect(0x7f653f4d9000, 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=0x555557393650) = 294 ./strace-static-x86_64: Process 294 attached [pid 294] set_robust_list(0x555557393660, 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 [ 20.550013][ T30] audit: type=1400 audit(1691069033.262:66): avc: denied { execmem } for pid=293 comm="syz-executor282" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 20.554176][ T30] audit: type=1400 audit(1691069033.262:67): avc: denied { mounton } for pid=294 comm="syz-executor282" 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 [ 20.559630][ T30] audit: type=1400 audit(1691069033.262:68): avc: denied { mount } for pid=294 comm="syz-executor282" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 20.563118][ T30] audit: type=1400 audit(1691069033.262:69): avc: denied { mounton } for pid=294 comm="syz-executor282" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 20.570950][ T30] audit: type=1400 audit(1691069033.282:70): avc: denied { mounton } for pid=294 comm="syz-executor282" path="/dev/binderfs" dev="devtmpfs" ino=362 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 20.593729][ T30] audit: type=1400 audit(1691069033.282:71): avc: denied { mount } for pid=294 comm="syz-executor282" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 120.585833][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 120.592586][ C0] (detected by 0, t=10002 jiffies, g=197, q=2449) [ 120.598947][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294949277-4294939275), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 120.612113][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g197 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 120.622959][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 120.632769][ C0] rcu: RCU grace-period kthread stack dump: [ 120.638495][ C0] task:rcu_preempt state:R running task stack:28328 pid: 14 ppid: 2 flags:0x00004000 [ 120.649083][ C0] Call Trace: [ 120.652210][ C0] [ 120.654985][ C0] __schedule+0xcbe/0x1580 [ 120.659239][ C0] ? release_firmware_map_entry+0x18f/0x18f [ 120.664965][ C0] ? __kasan_check_write+0x14/0x20 [ 120.669914][ C0] schedule+0x11f/0x1e0 [ 120.673905][ C0] schedule_timeout+0x18c/0x370 [ 120.678593][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 120.683625][ C0] ? console_conditional_schedule+0x30/0x30 [ 120.689354][ C0] ? update_process_times+0x200/0x200 [ 120.694569][ C0] ? prepare_to_swait_event+0x308/0x320 [ 120.699951][ C0] rcu_gp_fqs_loop+0x29f/0xe60 [ 120.704545][ C0] ? debug_smp_processor_id+0x17/0x20 [ 120.709753][ C0] ? __note_gp_changes+0x4ab/0x920 [ 120.714700][ C0] ? rcu_gp_init+0xc20/0xc20 [ 120.719125][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 120.724158][ C0] ? rcu_gp_init+0x9c5/0xc20 [ 120.728584][ C0] rcu_gp_kthread+0xa4/0x350 [ 120.733011][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 120.737700][ C0] ? rcu_barrier_callback+0x50/0x50 [ 120.742730][ C0] ? __kasan_check_read+0x11/0x20 [ 120.747592][ C0] ? __kthread_parkme+0xb2/0x200 [ 120.752366][ C0] kthread+0x421/0x510 [ 120.756269][ C0] ? rcu_barrier_callback+0x50/0x50 [ 120.761307][ C0] ? kthread_blkcg+0xd0/0xd0 [ 120.765731][ C0] ret_from_fork+0x1f/0x30 [ 120.769989][ C0] [ 120.772849][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 120.779023][ C0] NMI backtrace for cpu 0 [ 120.783180][ C0] CPU: 0 PID: 295 Comm: syz-executor282 Not tainted 5.15.120-syzkaller-00229-g748fd0d9ca0f #0 [ 120.793245][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 120.803142][ C0] Call Trace: [ 120.806264][ C0] [ 120.808953][ C0] dump_stack_lvl+0x151/0x1b7 [ 120.813468][ C0] ? io_uring_drop_tctx_refs+0x190/0x190 [ 120.818936][ C0] dump_stack+0x15/0x17 [ 120.822926][ C0] nmi_cpu_backtrace+0x2f7/0x300 [ 120.827702][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 120.833697][ C0] ? panic+0x751/0x751 [ 120.837597][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 120.843498][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 120.849312][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 120.855214][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 120.860942][ C0] rcu_check_gp_kthread_starvation+0x1e3/0x250 [ 120.866932][ C0] print_other_cpu_stall+0x112d/0x1340 [ 120.872224][ C0] ? generic_exec_single+0x271/0x400 [ 120.877346][ C0] ? rcu_stall_kick_kthreads+0x240/0x240 [ 120.882813][ C0] ? timekeeping_update+0x392/0x460 [ 120.887848][ C0] rcu_sched_clock_irq+0x97c/0x18e0 [ 120.892885][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 120.898870][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 120.903905][ C0] update_process_times+0x198/0x200 [ 120.908938][ C0] tick_sched_timer+0x188/0x240 [ 120.913638][ C0] ? tick_setup_sched_timer+0x480/0x480 [ 120.919009][ C0] __hrtimer_run_queues+0x41a/0xad0 [ 120.924043][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 120.928989][ C0] ? clockevents_program_event+0x22f/0x300 [ 120.934634][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 120.940534][ C0] hrtimer_interrupt+0x40c/0xaa0 [ 120.945306][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 120.951031][ C0] sysvec_apic_timer_interrupt+0x95/0xc0 [ 120.956500][ C0] [ 120.959283][ C0] [ 120.962055][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 120.967871][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 120.972642][ 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 3b 00 f3 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 120.992084][ C0] RSP: 0018:ffffc900007deb00 EFLAGS: 00000246 [ 120.997986][ C0] RAX: 0000000000000003 RBX: 1ffff920000fbd64 RCX: ffffffff8154c8bf [ 121.005795][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3bdec [ 121.013611][ C0] RBP: ffffc900007debb0 R08: dffffc0000000000 R09: fffffbfff0de77be [ 121.021423][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 121.029230][ C0] R13: ffffffff86f3bdec R14: 0000000000000003 R15: 1ffff920000fbd68 [ 121.037042][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 121.043206][ C0] ? asm_sysvec_call_function_single+0x1b/0x20 [ 121.049192][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 121.054149][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 121.060214][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 121.066117][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 121.072368][ C0] ? __kmalloc+0x13a/0x270 [ 121.076629][ C0] ? kvmalloc_node+0x1f0/0x4d0 [ 121.081221][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 121.085994][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 121.091027][ C0] ? __kasan_check_read+0x11/0x20 [ 121.095892][ C0] get_dist_table+0x207/0x2e0 [ 121.100402][ C0] netem_change+0xa05/0x20c0 [ 121.104826][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 121.109599][ C0] ? do_syscall_64+0x3d/0xb0 [ 121.114026][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 121.119931][ C0] ? netem_destroy+0xc0/0xc0 [ 121.124358][ C0] ? hrtimer_init+0x30/0x160 [ 121.128783][ C0] netem_init+0x5b/0xb0 [ 121.132773][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 121.137894][ C0] qdisc_create+0x890/0x12e0 [ 121.142321][ C0] ? qdisc_notify+0x370/0x370 [ 121.146835][ C0] ? __nla_parse+0x43/0x60 [ 121.151085][ C0] tc_modify_qdisc+0x8b4/0x14b0 [ 121.155779][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 121.161501][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 121.167923][ C0] ? ns_capable+0x89/0xe0 [ 121.172091][ C0] ? netlink_net_capable+0x125/0x160 [ 121.177209][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 121.182948][ C0] rtnetlink_rcv_msg+0x951/0xc40 [ 121.187713][ C0] ? rtnetlink_bind+0x80/0x80 [ 121.192225][ C0] ? avc_denied+0x13f/0x1b0 [ 121.196564][ C0] ? avc_has_perm_noaudit+0x2dd/0x430 [ 121.201772][ C0] ? avc_denied+0x1b0/0x1b0 [ 121.206113][ C0] ? avc_has_perm+0x16f/0x260 [ 121.210625][ C0] ? ____kasan_kmalloc+0xed/0x110 [ 121.215488][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 121.220692][ C0] ? do_syscall_64+0x3d/0xb0 [ 121.225120][ C0] netlink_rcv_skb+0x1cf/0x410 [ 121.229721][ C0] ? rtnetlink_bind+0x80/0x80 [ 121.234232][ C0] ? netlink_ack+0xb10/0xb10 [ 121.238659][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 121.243521][ C0] rtnetlink_rcv+0x1c/0x20 [ 121.247773][ C0] netlink_unicast+0x8df/0xac0 [ 121.252373][ C0] ? netlink_detachskb+0x90/0x90 [ 121.257143][ C0] ? security_netlink_send+0x7b/0xa0 [ 121.262266][ C0] netlink_sendmsg+0xa0a/0xd20 [ 121.266867][ C0] ? netlink_getsockopt+0x560/0x560 [ 121.271899][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 121.277194][ C0] ? netlink_getsockopt+0x560/0x560 [ 121.282226][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 121.286827][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 121.291693][ C0] ? import_iovec+0xe5/0x120 [ 121.296116][ C0] ___sys_sendmsg+0x252/0x2e0 [ 121.300627][ C0] ? __sys_sendmsg+0x260/0x260 [ 121.305226][ C0] ? finish_task_switch+0x167/0x7b0 [ 121.310277][ C0] ? __schedule+0xcc6/0x1580 [ 121.314689][ C0] ? __kasan_check_write+0x14/0x20 [ 121.319636][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 121.324584][ C0] ? __kasan_check_read+0x11/0x20 [ 121.329443][ C0] ? __fdget+0x179/0x240 [ 121.333523][ C0] __se_sys_sendmsg+0x19a/0x260 [ 121.338210][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 121.343244][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 121.348018][ C0] ? __kasan_check_read+0x11/0x20 [ 121.352877][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 121.357494][ C0] do_syscall_64+0x3d/0xb0 [ 121.361825][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 121.367563][ C0] RIP: 0033:0x7f653f465fc9 [ 121.371820][ 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 [ 121.391336][ C0] RSP: 002b:00007ffc0b1d4f88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 121.399591][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f653f465fc9 [ 121.407391][ C0] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000003 [ 121.415202][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555557394610 [ 121.423011][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 121.430822][ C0] R13: 0000000000000000 R14: 00007ffc0b1d4fb0 R15: 00007ffc0b1d4fa0 [ 121.438648][ C0] [ 265.036922][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [syz-executor282:295] [ 265.045343][ C0] Modules linked in: [ 265.049077][ C0] CPU: 0 PID: 295 Comm: syz-executor282 Not tainted 5.15.120-syzkaller-00229-g748fd0d9ca0f #0 [ 265.059156][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 265.069037][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 265.073805][ 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 3b 00 f3 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 265.093770][ C0] RSP: 0018:ffffc900007deb00 EFLAGS: 00000246 [ 265.099673][ C0] RAX: 0000000000000003 RBX: 1ffff920000fbd64 RCX: ffffffff8154c8bf [ 265.107485][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3bdec [ 265.115295][ C0] RBP: ffffc900007debb0 R08: dffffc0000000000 R09: fffffbfff0de77be [ 265.123105][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.130920][ C0] R13: ffffffff86f3bdec R14: 0000000000000003 R15: 1ffff920000fbd68 [ 265.138734][ C0] FS: 0000555557393380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 265.147501][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.153916][ C0] CR2: 0000000000000000 CR3: 000000011e310000 CR4: 00000000003506b0 [ 265.161733][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.169545][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.177352][ C0] Call Trace: [ 265.180475][ C0] [ 265.183167][ C0] ? show_regs+0x58/0x60 [ 265.187244][ C0] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.192191][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.197314][ C0] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.202522][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.207466][ C0] ? clockevents_program_event+0x22f/0x300 [ 265.213109][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.219011][ C0] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.223960][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.229858][ C0] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.235498][ C0] [ 265.238276][ C0] [ 265.241057][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.247061][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.253126][ C0] ? kvm_wait+0x147/0x180 [ 265.257287][ C0] ? asm_sysvec_call_function_single+0x1b/0x20 [ 265.263271][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 265.268221][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.274391][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 265.280292][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.286626][ C0] ? __kmalloc+0x13a/0x270 [ 265.290879][ C0] ? kvmalloc_node+0x1f0/0x4d0 [ 265.295488][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 265.300254][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.305290][ C0] ? __kasan_check_read+0x11/0x20 [ 265.310148][ C0] get_dist_table+0x207/0x2e0 [ 265.314664][ C0] netem_change+0xa05/0x20c0 [ 265.319090][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.323863][ C0] ? do_syscall_64+0x3d/0xb0 [ 265.328373][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.334278][ C0] ? netem_destroy+0xc0/0xc0 [ 265.338705][ C0] ? hrtimer_init+0x30/0x160 [ 265.343148][ C0] netem_init+0x5b/0xb0 [ 265.347120][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 265.352243][ C0] qdisc_create+0x890/0x12e0 [ 265.356670][ C0] ? qdisc_notify+0x370/0x370 [ 265.361180][ C0] ? __nla_parse+0x43/0x60 [ 265.365436][ C0] tc_modify_qdisc+0x8b4/0x14b0 [ 265.370125][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.375853][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 265.382272][ C0] ? ns_capable+0x89/0xe0 [ 265.386438][ C0] ? netlink_net_capable+0x125/0x160 [ 265.391559][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.397287][ C0] rtnetlink_rcv_msg+0x951/0xc40 [ 265.402068][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.406572][ C0] ? avc_denied+0x13f/0x1b0 [ 265.410913][ C0] ? avc_has_perm_noaudit+0x2dd/0x430 [ 265.416119][ C0] ? avc_denied+0x1b0/0x1b0 [ 265.420465][ C0] ? avc_has_perm+0x16f/0x260 [ 265.424980][ C0] ? ____kasan_kmalloc+0xed/0x110 [ 265.429839][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 265.435049][ C0] ? do_syscall_64+0x3d/0xb0 [ 265.439466][ C0] netlink_rcv_skb+0x1cf/0x410 [ 265.444072][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.448581][ C0] ? netlink_ack+0xb10/0xb10 [ 265.453007][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 265.457868][ C0] rtnetlink_rcv+0x1c/0x20 [ 265.462122][ C0] netlink_unicast+0x8df/0xac0 [ 265.466734][ C0] ? netlink_detachskb+0x90/0x90 [ 265.471493][ C0] ? security_netlink_send+0x7b/0xa0 [ 265.476615][ C0] netlink_sendmsg+0xa0a/0xd20 [ 265.481218][ C0] ? netlink_getsockopt+0x560/0x560 [ 265.486250][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 265.491543][ C0] ? netlink_getsockopt+0x560/0x560 [ 265.496576][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 265.501177][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 265.510897][ C0] ? import_iovec+0xe5/0x120 [ 265.515323][ C0] ___sys_sendmsg+0x252/0x2e0 [ 265.519848][ C0] ? __sys_sendmsg+0x260/0x260 [ 265.524436][ C0] ? finish_task_switch+0x167/0x7b0 [ 265.529471][ C0] ? __schedule+0xcc6/0x1580 [ 265.533896][ C0] ? __kasan_check_write+0x14/0x20 [ 265.538843][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.543793][ C0] ? __kasan_check_read+0x11/0x20 [ 265.548652][ C0] ? __fdget+0x179/0x240 [ 265.552730][ C0] __se_sys_sendmsg+0x19a/0x260 [ 265.557417][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.562452][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 265.567224][ C0] ? __kasan_check_read+0x11/0x20 [ 265.572099][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 265.576685][ C0] do_syscall_64+0x3d/0xb0 [ 265.580935][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.586665][ C0] RIP: 0033:0x7f653f465fc9 [ 265.590919][ 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 [ 265.610358][ C0] RSP: 002b:00007ffc0b1d4f88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.618604][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f653f465fc9 [ 265.626415][ C0] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000003 [ 265.634224][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555557394610 [ 265.642037][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.649848][ C0] R13: 0000000000000000 R14: 00007ffc0b1d4fb0 R15: 00007ffc0b1d4fa0 [ 265.657662][ C0]