./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3164766917 <...> Warning: Permanently added '10.128.1.165' (ED25519) to the list of known hosts. execve("./syz-executor3164766917", ["./syz-executor3164766917"], 0x7ffdb485dbe0 /* 10 vars */) = 0 brk(NULL) = 0x555556191000 brk(0x555556191d00) = 0x555556191d00 arch_prctl(ARCH_SET_FS, 0x555556191380) = 0 set_tid_address(0x555556191650) = 294 set_robust_list(0x555556191660, 24) = 0 rseq(0x555556191ca0, 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-executor3164766917", 4096) = 28 getrandom("\x76\x2a\xeb\x5a\xfb\xf6\x23\x21", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556191d00 brk(0x5555561b2d00) = 0x5555561b2d00 brk(0x5555561b3000) = 0x5555561b3000 mprotect(0x7f8069fb5000, 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=0x555556191650) = 295 ./strace-static-x86_64: Process 295 attached [pid 295] set_robust_list(0x555556191660, 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 [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 [ 23.104740][ T28] audit: type=1400 audit(1701143771.587:68): avc: denied { mount } for pid=295 comm="syz-executor316" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 23.127422][ T28] audit: type=1400 audit(1701143771.587:69): avc: denied { mounton } for pid=295 comm="syz-executor316" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 23.148957][ T28] audit: type=1400 audit(1701143771.587:70): avc: denied { mounton } for pid=295 comm="syz-executor316" path="/dev/binderfs" dev="devtmpfs" ino=370 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 23.171890][ T28] audit: type=1400 audit(1701143771.587:71): avc: denied { mount } for pid=295 comm="syz-executor316" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [pid 296] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x6c\x00\x00\x00\x24\x00\x0b\x0e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\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\x3c\x00\x02\x00\x00\x00\x00\x00\x13\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0c\x00\x04\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x0c\x00\x0b\x00\x00\x00\x00\x80\x00\x00\x00\x00"..., iov_len=108}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 295] kill(-2, SIGKILL) = 0 [pid 295] kill(2, SIGKILL) = 0 [pid 295] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x5555561926f0 /* 2 entries */, 32768) = 48 [pid 295] getdents64(3, 0x5555561926f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [ 123.090931][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 123.097708][ C1] (detected by 1, t=10002 jiffies, g=513, q=2329 ncpus=2) [ 123.104728][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294949517-4294939514), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 123.117926][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g513 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 123.129054][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 123.138869][ C1] rcu: RCU grace-period kthread stack dump: [ 123.144590][ C1] task:rcu_preempt state:R running task stack:27720 pid:14 ppid:2 flags:0x00004000 [ 123.155180][ C1] Call Trace: [ 123.158308][ C1] [ 123.161084][ C1] __schedule+0xc99/0x1540 [ 123.165335][ C1] ? __sched_text_start+0x8/0x8 [ 123.170020][ C1] ? __kasan_check_write+0x14/0x20 [ 123.174968][ C1] schedule+0xc3/0x180 [ 123.178871][ C1] schedule_timeout+0x18c/0x380 [ 123.183565][ C1] ? _raw_spin_unlock_irq+0x4d/0x70 [ 123.188596][ C1] ? console_conditional_schedule+0x10/0x10 [ 123.194324][ C1] ? update_process_times+0x1b0/0x1b0 [ 123.199540][ C1] ? prepare_to_swait_event+0x308/0x320 [ 123.204914][ C1] rcu_gp_fqs_loop+0x2dd/0xf40 [ 123.209516][ C1] ? _raw_spin_unlock_irq+0x4d/0x70 [ 123.214546][ C1] ? rcu_gp_init+0xc75/0xf70 [ 123.218981][ C1] ? rcu_gp_init+0xf70/0xf70 [ 123.223400][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 123.229039][ C1] ? finish_swait+0x17d/0x1b0 [ 123.233555][ C1] rcu_gp_kthread+0xa3/0x390 [ 123.237980][ C1] ? queued_spin_lock_slowpath+0x50/0x50 [ 123.243447][ C1] ? set_cpus_allowed_ptr+0xa4/0xe0 [ 123.248480][ C1] ? __kasan_check_read+0x11/0x20 [ 123.253341][ C1] ? __kthread_parkme+0x12d/0x180 [ 123.258203][ C1] kthread+0x26d/0x300 [ 123.262109][ C1] ? queued_spin_lock_slowpath+0x50/0x50 [ 123.267662][ C1] ? kthread_blkcg+0xd0/0xd0 [ 123.272088][ C1] ret_from_fork+0x1f/0x30 [ 123.276342][ C1] [ 123.279204][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 123.285373][ C1] CPU: 1 PID: 296 Comm: syz-executor316 Not tainted 6.1.43-syzkaller-00029-gdf6e6fc38f4f #0 [ 123.295262][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 123.305165][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 123.309927][ 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 ab 18 11 04 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 123.329477][ C1] RSP: 0018:ffffc90000e46be0 EFLAGS: 00000246 [ 123.335398][ C1] RAX: 0000000000000003 RBX: 1ffff920001c8d80 RCX: ffffffff84fc0c6c [ 123.343185][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff873a562c [ 123.350995][ C1] RBP: ffffc90000e46c90 R08: dffffc0000000000 R09: fffffbfff0e74ac6 [ 123.359327][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 123.367139][ C1] R13: ffffffff873a562c R14: 0000000000000003 R15: 1ffff920001c8d84 [ 123.374949][ C1] FS: 0000555556191380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 123.383715][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 123.390142][ C1] CR2: 0000000000000000 CR3: 0000000121f24000 CR4: 00000000003506a0 [ 123.397955][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 123.405762][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 123.413572][ C1] Call Trace: [ 123.416700][ C1] [ 123.419398][ C1] ? show_regs+0x58/0x60 [ 123.423469][ C1] ? dump_cpu_task+0x3c/0x70 [ 123.427896][ C1] ? rcu_check_gp_kthread_starvation+0x1d1/0x240 [ 123.434144][ C1] ? _find_next_bit+0x126/0x130 [ 123.438832][ C1] ? print_other_cpu_stall+0x1140/0x1300 [ 123.444298][ C1] ? __update_load_avg_cfs_rq+0xb1/0x2f0 [ 123.449771][ C1] ? rcu_stall_kick_kthreads+0x240/0x240 [ 123.455238][ C1] ? acct_account_cputime+0xf7/0x2c0 [ 123.460361][ C1] ? rcu_sched_clock_irq+0x88c/0x1970 [ 123.465562][ C1] ? rcu_boost_kthread_setaffinity+0x5a0/0x5a0 [ 123.471551][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 123.476584][ C1] ? tick_setup_sched_timer+0x490/0x490 [ 123.481967][ C1] ? update_process_times+0x149/0x1b0 [ 123.487191][ C1] ? tick_sched_timer+0x188/0x240 [ 123.492032][ C1] ? tick_setup_sched_timer+0x490/0x490 [ 123.497416][ C1] ? __hrtimer_run_queues+0x41a/0xad0 [ 123.502629][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 123.507579][ C1] ? clockevents_program_event+0x22f/0x300 [ 123.513214][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 123.519122][ C1] ? hrtimer_interrupt+0x40c/0xaa0 [ 123.524075][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 123.529962][ C1] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 123.535614][ C1] [ 123.538382][ C1] [ 123.541160][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 123.547160][ C1] ? __pv_queued_spin_lock_slowpath+0x67c/0xda0 [ 123.553226][ C1] ? kvm_wait+0x147/0x180 [ 123.557393][ C1] ? asm_sysvec_call_function_single+0x1b/0x20 [ 123.563380][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 123.568333][ C1] ? __pv_queued_spin_lock_slowpath+0x67c/0xda0 [ 123.574582][ C1] __pv_queued_spin_lock_slowpath+0x6de/0xda0 [ 123.580480][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 123.586727][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 123.591501][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 123.596534][ C1] ? __kasan_check_read+0x11/0x20 [ 123.601395][ C1] get_dist_table+0x215/0x2e0 [ 123.606257][ C1] netem_change+0x9ec/0x20b0 [ 123.610679][ C1] ? __stack_depot_save+0x419/0x480 [ 123.615714][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 123.621354][ C1] ? netem_destroy+0xc0/0xc0 [ 123.625784][ C1] ? ref_tracker_alloc+0x2b1/0x450 [ 123.630733][ C1] ? ref_tracker_dir_print+0x160/0x160 [ 123.636021][ C1] ? qdisc_alloc+0x588/0x780 [ 123.640447][ C1] ? qdisc_create+0x185/0x1160 [ 123.645048][ C1] ? tc_modify_qdisc+0x8d0/0x19c0 [ 123.649908][ C1] ? rtnetlink_rcv_msg+0x9a5/0xca0 [ 123.654859][ C1] ? hrtimer_init+0x30/0x160 [ 123.659303][ C1] netem_init+0x5b/0xb0 [ 123.663278][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 123.668394][ C1] qdisc_create+0x889/0x1160 [ 123.672828][ C1] ? qdisc_notify+0x380/0x380 [ 123.677337][ C1] tc_modify_qdisc+0x8d0/0x19c0 [ 123.682035][ C1] ? qdisc_offload_query_caps+0x170/0x170 [ 123.687579][ C1] ? security_capable+0x87/0xb0 [ 123.692265][ C1] ? bit_wait_io_timeout+0x120/0x120 [ 123.697388][ C1] ? ns_capable+0x89/0xe0 [ 123.701638][ C1] ? try_module_get+0x12a/0x290 [ 123.706321][ C1] ? qdisc_offload_query_caps+0x170/0x170 [ 123.712489][ C1] rtnetlink_rcv_msg+0x9a5/0xca0 [ 123.717269][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 123.722994][ C1] ? rtnetlink_bind+0x80/0x80 [ 123.727636][ C1] ? avc_denied+0x13f/0x1b0 [ 123.732035][ C1] ? avc_has_perm_noaudit+0x2dd/0x430 [ 123.737938][ C1] ? avc_denied+0x1b0/0x1b0 [ 123.742285][ C1] ? avc_has_perm+0x16f/0x260 [ 123.747208][ C1] ? __alloc_skb+0x10f/0x2e0 [ 123.751710][ C1] ? netlink_sendmsg+0x7a6/0xd30 [ 123.756494][ C1] ? avc_has_perm_noaudit+0x430/0x430 [ 123.761693][ C1] netlink_rcv_skb+0x1cd/0x410 [ 123.766302][ C1] ? rtnetlink_bind+0x80/0x80 [ 123.770991][ C1] ? netlink_ack+0xe60/0xe60 [ 123.775403][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 123.780436][ C1] rtnetlink_rcv+0x1c/0x20 [ 123.784695][ C1] netlink_unicast+0x8ee/0xad0 [ 123.789289][ C1] ? netlink_detachskb+0x90/0x90 [ 123.794073][ C1] ? security_netlink_send+0x7b/0xa0 [ 123.799234][ C1] netlink_sendmsg+0xa15/0xd30 [ 123.803813][ C1] ? netlink_getsockopt+0x560/0x560 [ 123.808906][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 123.814282][ C1] ? netlink_getsockopt+0x560/0x560 [ 123.819499][ C1] ____sys_sendmsg+0x5dc/0x9d0 [ 123.824103][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 123.828959][ C1] __sys_sendmsg+0x2a9/0x390 [ 123.833385][ C1] ? ____sys_sendmsg+0x9d0/0x9d0 [ 123.838156][ C1] ? memset+0x35/0x40 [ 123.842067][ C1] ? ptrace_notify+0x249/0x350 [ 123.846661][ C1] ? __kasan_check_write+0x14/0x20 [ 123.851617][ C1] ? fpregs_restore_userregs+0x130/0x290 [ 123.857078][ C1] __x64_sys_sendmsg+0x7f/0x90 [ 123.861762][ C1] do_syscall_64+0x3d/0xb0 [ 123.866020][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 123.871742][ C1] RIP: 0033:0x7f8069f41fc9 [ 123.876012][ 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 [ 123.895699][ C1] RSP: 002b:00007ffda180dda8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 123.903941][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8069f41fc9 [ 123.911750][ C1] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000003 [ 123.919561][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556192610 [ 123.927463][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 123.935304][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffda180ddc0 [ 123.943175][ C1] [ 265.185672][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 245s! [syz-executor316:296] [ 265.194372][ C1] Modules linked in: [ 265.199558][ C1] CPU: 1 PID: 296 Comm: syz-executor316 Not tainted 6.1.43-syzkaller-00029-gdf6e6fc38f4f #0 [ 265.210095][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 265.221242][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 265.227334][ 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 ab 18 11 04 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 265.250712][ C1] RSP: 0018:ffffc90000e46be0 EFLAGS: 00000246 [ 265.257756][ C1] RAX: 0000000000000003 RBX: 1ffff920001c8d80 RCX: ffffffff84fc0c6c [ 265.266298][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff873a562c [ 265.274360][ C1] RBP: ffffc90000e46c90 R08: dffffc0000000000 R09: fffffbfff0e74ac6 [ 265.282523][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.290725][ C1] R13: ffffffff873a562c R14: 0000000000000003 R15: 1ffff920001c8d84 [ 265.298541][ C1] FS: 0000555556191380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 265.307401][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.314287][ C1] CR2: 0000000000000000 CR3: 0000000121f24000 CR4: 00000000003506a0 [ 265.322181][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.330001][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.337972][ C1] Call Trace: [ 265.341097][ C1] [ 265.343788][ C1] ? show_regs+0x58/0x60 [ 265.347868][ C1] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.352812][ C1] ? proc_watchdog_cpumask+0xf0/0xf0 [ 265.357933][ C1] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.363145][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.368094][ C1] ? clockevents_program_event+0x22f/0x300 [ 265.373731][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.379631][ C1] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.384586][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.390487][ C1] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.396512][ C1] [ 265.399247][ C1] [ 265.402036][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.408104][ C1] ? __pv_queued_spin_lock_slowpath+0x67c/0xda0 [ 265.414177][ C1] ? kvm_wait+0x147/0x180 [ 265.418344][ C1] ? asm_sysvec_call_function_single+0x1b/0x20 [ 265.424541][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 265.429466][ C1] ? __pv_queued_spin_lock_slowpath+0x67c/0xda0 [ 265.435720][ C1] __pv_queued_spin_lock_slowpath+0x6de/0xda0 [ 265.441706][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.448475][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 265.453264][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.458402][ C1] ? __kasan_check_read+0x11/0x20 [ 265.463256][ C1] get_dist_table+0x215/0x2e0 [ 265.468196][ C1] netem_change+0x9ec/0x20b0 [ 265.472638][ C1] ? __stack_depot_save+0x419/0x480 [ 265.477939][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 265.483558][ C1] ? netem_destroy+0xc0/0xc0 [ 265.488078][ C1] ? ref_tracker_alloc+0x2b1/0x450 [ 265.493746][ C1] ? ref_tracker_dir_print+0x160/0x160 [ 265.499134][ C1] ? qdisc_alloc+0x588/0x780 [ 265.503551][ C1] ? qdisc_create+0x185/0x1160 [ 265.508153][ C1] ? tc_modify_qdisc+0x8d0/0x19c0 [ 265.513009][ C1] ? rtnetlink_rcv_msg+0x9a5/0xca0 [ 265.517959][ C1] ? hrtimer_init+0x30/0x160 [ 265.522392][ C1] netem_init+0x5b/0xb0 [ 265.526378][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 265.531493][ C1] qdisc_create+0x889/0x1160 [ 265.535935][ C1] ? qdisc_notify+0x380/0x380 [ 265.540446][ C1] tc_modify_qdisc+0x8d0/0x19c0 [ 265.545124][ C1] ? qdisc_offload_query_caps+0x170/0x170 [ 265.550679][ C1] ? security_capable+0x87/0xb0 [ 265.555362][ C1] ? bit_wait_io_timeout+0x120/0x120 [ 265.560488][ C1] ? ns_capable+0x89/0xe0 [ 265.564655][ C1] ? try_module_get+0x12a/0x290 [ 265.569337][ C1] ? qdisc_offload_query_caps+0x170/0x170 [ 265.575080][ C1] rtnetlink_rcv_msg+0x9a5/0xca0 [ 265.580022][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 265.586410][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.590998][ C1] ? avc_denied+0x13f/0x1b0 [ 265.595342][ C1] ? avc_has_perm_noaudit+0x2dd/0x430 [ 265.600548][ C1] ? avc_denied+0x1b0/0x1b0 [ 265.605036][ C1] ? avc_has_perm+0x16f/0x260 [ 265.609538][ C1] ? __alloc_skb+0x10f/0x2e0 [ 265.614100][ C1] ? netlink_sendmsg+0x7a6/0xd30 [ 265.618966][ C1] ? avc_has_perm_noaudit+0x430/0x430 [ 265.624511][ C1] netlink_rcv_skb+0x1cd/0x410 [ 265.629112][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.633625][ C1] ? netlink_ack+0xe60/0xe60 [ 265.638055][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 265.642912][ C1] rtnetlink_rcv+0x1c/0x20 [ 265.647609][ C1] netlink_unicast+0x8ee/0xad0 [ 265.652657][ C1] ? netlink_detachskb+0x90/0x90 [ 265.657501][ C1] ? security_netlink_send+0x7b/0xa0 [ 265.662729][ C1] netlink_sendmsg+0xa15/0xd30 [ 265.668552][ C1] ? netlink_getsockopt+0x560/0x560 [ 265.674617][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 265.680736][ C1] ? netlink_getsockopt+0x560/0x560 [ 265.687021][ C1] ____sys_sendmsg+0x5dc/0x9d0 [ 265.691958][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 265.697933][ C1] __sys_sendmsg+0x2a9/0x390 [ 265.702401][ C1] ? ____sys_sendmsg+0x9d0/0x9d0 [ 265.708030][ C1] ? memset+0x35/0x40 [ 265.712060][ C1] ? ptrace_notify+0x249/0x350 [ 265.717438][ C1] ? __kasan_check_write+0x14/0x20 [ 265.722574][ C1] ? fpregs_restore_userregs+0x130/0x290 [ 265.728128][ C1] __x64_sys_sendmsg+0x7f/0x90 [ 265.733198][ C1] do_syscall_64+0x3d/0xb0 [ 265.738074][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 265.744124][ C1] RIP: 0033:0x7f8069f41fc9 [ 265.748837][ 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 [ 265.769533][ C1] RSP: 002b:00007ffda180dda8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.777991][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8069f41fc9 [ 265.786253][ C1] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000003 [ 265.794159][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556192610 [ 265.802062][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.810228][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffda180ddc0 [ 265.818304][ C1]