./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2631304418 <...> skb: 21 callbacks suppressed [ 15.409432][ T24] audit: type=1400 audit(1693269695.950:61): avc: denied { transition } for pid=218 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 [ 15.420528][ T24] audit: type=1400 audit(1693269695.950:62): avc: denied { noatsecure } for pid=218 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 15.427947][ T24] audit: type=1400 audit(1693269695.950:63): avc: denied { write } for pid=218 comm="sh" path="pipe:[13600]" dev="pipefs" ino=13600 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 15.446282][ T24] audit: type=1400 audit(1693269695.950:64): avc: denied { rlimitinh } for pid=218 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 15.465604][ T24] audit: type=1400 audit(1693269695.950:65): avc: denied { siginh } for pid=218 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.4' (ED25519) to the list of known hosts. execve("./syz-executor2631304418", ["./syz-executor2631304418"], 0x7ffd026ba440 /* 10 vars */) = 0 brk(NULL) = 0x55555586c000 brk(0x55555586cd00) = 0x55555586cd00 arch_prctl(ARCH_SET_FS, 0x55555586c380) = 0 set_tid_address(0x55555586c650) = 288 set_robust_list(0x55555586c660, 24) = 0 rseq(0x55555586cca0, 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-executor2631304418", 4096) = 28 getrandom("\xcf\xc0\x31\x97\x39\x6b\xf9\x29", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555586cd00 brk(0x55555588dd00) = 0x55555588dd00 brk(0x55555588e000) = 0x55555588e000 mprotect(0x7f18541a4000, 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=0x55555586c650) = 289 ./strace-static-x86_64: Process 289 attached [pid 289] set_robust_list(0x55555586c660, 24) = 0 [pid 289] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 289] setsid() = 1 [pid 289] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 289] unshare(CLONE_NEWNS) = 0 [pid 289] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 289] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 289] unshare(CLONE_NEWCGROUP) = 0 [pid 289] unshare(CLONE_NEWUTS) = 0 [pid 289] unshare(CLONE_SYSVSEM) = 0 [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] getpid() = 1 [pid 289] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 25.045859][ T24] audit: type=1400 audit(1693269705.560:67): avc: denied { mounton } for pid=289 comm="syz-executor263" 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 [ 25.070870][ T24] audit: type=1400 audit(1693269705.560:68): avc: denied { mount } for pid=289 comm="syz-executor263" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 25.094221][ T24] audit: type=1400 audit(1693269705.560:69): avc: denied { mounton } for pid=289 comm="syz-executor263" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 25.116570][ T24] audit: type=1400 audit(1693269705.620:70): avc: denied { mounton } for pid=289 comm="syz-executor263" path="/dev/binderfs" dev="devtmpfs" ino=357 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 25.141328][ T24] audit: type=1400 audit(1693269705.620:71): avc: denied { mount } for pid=289 comm="syz-executor263" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [pid 290] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x70\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\x40\x00\x02\x00\x00\x00\x00\x00\x01\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x00\x01\x00\xc7\x09\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x0c\x00\x0b\x00\x05\x00\x00\x00"..., iov_len=112}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_CONFIRM|MSG_NOSIGNAL|MSG_ZEROCOPY [pid 289] kill(-2, SIGKILL) = 0 [pid 289] kill(2, SIGKILL) = 0 [pid 289] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 289] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 289] getdents64(3, 0x55555586d6f0 /* 2 entries */, 32768) = 48 [pid 289] getdents64(3, 0x55555586d6f0 /* 0 entries */, 32768) = 0 [pid 289] close(3) = 0 [ 125.064066][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 125.070519][ C0] rcu: 0-....: (9999 ticks this GP) idle=78e/1/0x4000000000000000 softirq=1208/1209 fqs=4831 last_accelerate: 9443/bb58 dyntick_enabled: 1 [ 125.084848][ C0] (t=10002 jiffies g=321 q=2155) [ 125.089809][ C0] NMI backtrace for cpu 0 [ 125.094229][ C0] CPU: 0 PID: 290 Comm: syz-executor263 Not tainted 5.10.189-syzkaller-00615-gc6a1fbd8e4aa #0 [ 125.104469][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 125.115848][ C0] Call Trace: [ 125.119038][ C0] [ 125.121751][ C0] dump_stack_lvl+0x1e2/0x24b [ 125.126721][ C0] ? panic+0x80b/0x80b [ 125.130930][ C0] ? bfq_pos_tree_add_move+0x43b/0x43b [ 125.136200][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 125.142425][ C0] ? vprintk_func+0x19d/0x1e0 [ 125.148110][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 125.153149][ C0] ? printk+0xd1/0x111 [ 125.158464][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 125.164964][ C0] dump_stack+0x15/0x17 [ 125.168924][ C0] nmi_trigger_cpumask_backtrace+0x2b5/0x300 [ 125.175029][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 125.181000][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 125.187463][ C0] rcu_dump_cpu_stacks+0x199/0x2b0 [ 125.193386][ C0] rcu_sched_clock_irq+0xf8a/0x1890 [ 125.198536][ C0] ? rcutree_dead_cpu+0x340/0x340 [ 125.203781][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 125.209687][ C0] update_process_times+0x198/0x200 [ 125.214735][ C0] tick_sched_timer+0x188/0x240 [ 125.220326][ C0] ? tick_setup_sched_timer+0x480/0x480 [ 125.226488][ C0] __hrtimer_run_queues+0x3d7/0xa50 [ 125.233407][ C0] ? hrtimer_interrupt+0x8b0/0x8b0 [ 125.239158][ C0] ? clockevents_program_event+0x214/0x2c0 [ 125.245359][ C0] ? ktime_get_update_offsets_now+0x266/0x280 [ 125.252415][ C0] hrtimer_interrupt+0x39a/0x8b0 [ 125.258584][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 125.265414][ C0] asm_call_irq_on_stack+0xf/0x20 [ 125.271295][ C0] [ 125.276276][ C0] sysvec_apic_timer_interrupt+0x85/0xe0 [ 125.284028][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 125.292239][ C0] RIP: 0010:kvm_wait+0xfc/0x150 [ 125.297413][ C0] Code: 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d c5 47 d5 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d b6 47 d5 03 fb f4 <4c> 89 7c 24 18 ff 74 24 18 9d 48 c7 44 24 20 0e 36 e0 45 49 c7 04 [ 125.336232][ C0] RSP: 0018:ffffc90000b16b00 EFLAGS: 00000246 [ 125.344111][ C0] RAX: 0000000000000003 RBX: 1ffff92000162d64 RCX: ffffffff8150b3d4 [ 125.356481][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000b16b40 [ 125.366135][ C0] RBP: ffffc90000b16bb0 R08: dffffc0000000000 R09: fffffbfff0d9e1ae [ 125.375346][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 125.385742][ C0] R13: ffffffff86cf0d6c R14: 0000000000000003 R15: 0000000000000246 [ 125.394946][ C0] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 125.403941][ C0] ? asm_sysvec_call_function_single+0x12/0x20 [ 125.411893][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 125.419191][ C0] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 125.434748][ C0] __pv_queued_spin_lock_slowpath+0x72f/0xc70 [ 125.445726][ C0] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 125.458177][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 125.465204][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 125.471892][ C0] ? kvmalloc_node+0x82/0x130 [ 125.477947][ C0] ? __kasan_check_read+0x11/0x20 [ 125.485682][ C0] get_dist_table+0x207/0x2e0 [ 125.492520][ C0] netem_change+0x974/0x1fb0 [ 125.498704][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 125.504455][ C0] ? do_syscall_64+0x34/0x70 [ 125.513402][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 125.523920][ C0] ? netem_destroy+0xc0/0xc0 [ 125.530159][ C0] ? hrtimer_init+0x33/0x160 [ 125.539318][ C0] netem_init+0x5b/0xb0 [ 125.545308][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 125.551114][ C0] qdisc_create+0x879/0x12d0 [ 125.558697][ C0] ? qdisc_notify+0x370/0x370 [ 125.565024][ C0] ? __nla_parse+0x43/0x60 [ 125.569746][ C0] tc_modify_qdisc+0x8a4/0x13f0 [ 125.576960][ C0] ? qdisc_offload_graft_helper+0x280/0x280 [ 125.583440][ C0] ? mutex_trylock+0xa0/0xa0 [ 125.589123][ C0] ? ns_capable+0x89/0xe0 [ 125.593681][ C0] ? netlink_net_capable+0x125/0x160 [ 125.600289][ C0] ? qdisc_offload_graft_helper+0x280/0x280 [ 125.606495][ C0] rtnetlink_rcv_msg+0x955/0xc50 [ 125.611789][ C0] ? __kasan_check_write+0x14/0x20 [ 125.617771][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 125.623669][ C0] ? rtnetlink_bind+0x80/0x80 [ 125.628331][ C0] ? __kasan_check_write+0x14/0x20 [ 125.634456][ C0] ? avc_node_replace+0x1e0/0x310 [ 125.639479][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 125.645620][ C0] ? avc_update_node+0x2f8/0x710 [ 125.650449][ C0] ? avc_denied+0x13f/0x1b0 [ 125.654916][ C0] ? avc_has_perm+0x275/0x400 [ 125.659706][ C0] ? __kasan_slab_alloc+0xb1/0xe0 [ 125.664900][ C0] ? slab_post_alloc_hook+0x61/0x2f0 [ 125.671039][ C0] ? kmem_cache_alloc+0x168/0x2e0 [ 125.676842][ C0] ? avc_has_perm_noaudit+0x240/0x240 [ 125.685502][ C0] ? iov_iter_advance+0x258/0xb20 [ 125.691519][ C0] netlink_rcv_skb+0x1cf/0x410 [ 125.697434][ C0] ? rtnetlink_bind+0x80/0x80 [ 125.703378][ C0] ? netlink_ack+0xb30/0xb30 [ 125.708618][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 125.716044][ C0] rtnetlink_rcv+0x1c/0x20 [ 125.721418][ C0] netlink_unicast+0x8df/0xac0 [ 125.728712][ C0] ? netlink_detachskb+0x90/0x90 [ 125.734066][ C0] ? security_netlink_send+0x7b/0xa0 [ 125.740834][ C0] netlink_sendmsg+0xa46/0xd00 [ 125.747083][ C0] ? netlink_getsockopt+0x5c0/0x5c0 [ 125.753192][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 125.760149][ C0] ? netlink_getsockopt+0x5c0/0x5c0 [ 125.766204][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 125.771088][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 125.777459][ C0] ? import_iovec+0xe5/0x120 [ 125.782814][ C0] ___sys_sendmsg+0x252/0x2e0 [ 125.788861][ C0] ? __sys_sendmsg+0x280/0x280 [ 125.794383][ C0] ? finish_task_switch+0x130/0x5a0 [ 125.800062][ C0] ? __schedule+0xbee/0x1330 [ 125.805578][ C0] ? __kasan_check_write+0x14/0x20 [ 125.812025][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 125.820546][ C0] ? __kasan_check_read+0x11/0x20 [ 125.826103][ C0] ? __fdget+0x179/0x240 [ 125.831016][ C0] __se_sys_sendmsg+0x1b1/0x280 [ 125.836606][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 125.843009][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 125.850045][ C0] ? fpu__clear_all+0x20/0x20 [ 125.854979][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 125.860590][ C0] do_syscall_64+0x34/0x70 [ 125.865624][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 125.872345][ C0] RIP: 0033:0x7f1854130fc9 [ 125.877187][ 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 [ 125.898746][ C0] RSP: 002b:00007fffa4d38818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 125.908580][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1854130fc9 [ 125.924701][ C0] RDX: 0000000004004800 RSI: 0000000020000440 RDI: 0000000000000003 [ 125.936483][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 000055555586d610 [ 125.949436][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 125.959020][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 00007fffa4d38830 [ 264.998018][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor263:290] [ 265.006528][ C0] Modules linked in: [ 265.010265][ C0] CPU: 0 PID: 290 Comm: syz-executor263 Not tainted 5.10.189-syzkaller-00615-gc6a1fbd8e4aa #0 [ 265.020333][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 265.030351][ C0] RIP: 0010:kvm_wait+0xfc/0x150 [ 265.035024][ C0] Code: 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d c5 47 d5 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d b6 47 d5 03 fb f4 <4c> 89 7c 24 18 ff 74 24 18 9d 48 c7 44 24 20 0e 36 e0 45 49 c7 04 [ 265.055577][ C0] RSP: 0018:ffffc90000b16b00 EFLAGS: 00000246 [ 265.061479][ C0] RAX: 0000000000000003 RBX: 1ffff92000162d64 RCX: ffffffff8150b3d4 [ 265.069284][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000b16b40 [ 265.077437][ C0] RBP: ffffc90000b16bb0 R08: dffffc0000000000 R09: fffffbfff0d9e1ae [ 265.085245][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.093054][ C0] R13: ffffffff86cf0d6c R14: 0000000000000003 R15: 0000000000000246 [ 265.100880][ C0] FS: 000055555586c380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 265.109808][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.116242][ C0] CR2: 0000000000000000 CR3: 000000011e264000 CR4: 00000000003506b0 [ 265.124049][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.131960][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.140308][ C0] Call Trace: [ 265.143423][ C0] [ 265.146125][ C0] ? show_regs+0x58/0x60 [ 265.150211][ C0] ? watchdog_timer_fn+0x471/0x590 [ 265.155155][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.160392][ C0] ? __hrtimer_run_queues+0x3d7/0xa50 [ 265.165595][ C0] ? hrtimer_interrupt+0x8b0/0x8b0 [ 265.170670][ C0] ? clockevents_program_event+0x214/0x2c0 [ 265.176299][ C0] ? ktime_get_update_offsets_now+0x266/0x280 [ 265.182317][ C0] ? hrtimer_interrupt+0x39a/0x8b0 [ 265.187256][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.193155][ C0] ? asm_call_irq_on_stack+0xf/0x20 [ 265.198212][ C0] [ 265.201023][ C0] ? sysvec_apic_timer_interrupt+0x85/0xe0 [ 265.206789][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 265.212780][ C0] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 265.218849][ C0] ? kvm_wait+0xfc/0x150 [ 265.222922][ C0] ? asm_sysvec_call_function_single+0x12/0x20 [ 265.228914][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 265.234080][ C0] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 265.240150][ C0] __pv_queued_spin_lock_slowpath+0x72f/0xc70 [ 265.246064][ C0] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 265.252301][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 265.257213][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.263106][ C0] ? kvmalloc_node+0x82/0x130 [ 265.267791][ C0] ? __kasan_check_read+0x11/0x20 [ 265.272649][ C0] get_dist_table+0x207/0x2e0 [ 265.277161][ C0] netem_change+0x974/0x1fb0 [ 265.281583][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.286357][ C0] ? do_syscall_64+0x34/0x70 [ 265.290785][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 265.296689][ C0] ? netem_destroy+0xc0/0xc0 [ 265.301118][ C0] ? hrtimer_init+0x33/0x160 [ 265.305542][ C0] netem_init+0x5b/0xb0 [ 265.309532][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 265.314656][ C0] qdisc_create+0x879/0x12d0 [ 265.319080][ C0] ? qdisc_notify+0x370/0x370 [ 265.323595][ C0] ? __nla_parse+0x43/0x60 [ 265.327844][ C0] tc_modify_qdisc+0x8a4/0x13f0 [ 265.332534][ C0] ? qdisc_offload_graft_helper+0x280/0x280 [ 265.338269][ C0] ? mutex_trylock+0xa0/0xa0 [ 265.342685][ C0] ? ns_capable+0x89/0xe0 [ 265.346852][ C0] ? netlink_net_capable+0x125/0x160 [ 265.351971][ C0] ? qdisc_offload_graft_helper+0x280/0x280 [ 265.357706][ C0] rtnetlink_rcv_msg+0x955/0xc50 [ 265.362501][ C0] ? __kasan_check_write+0x14/0x20 [ 265.367467][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 265.372116][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.376624][ C0] ? __kasan_check_write+0x14/0x20 [ 265.381572][ C0] ? avc_node_replace+0x1e0/0x310 [ 265.386463][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 265.392108][ C0] ? avc_update_node+0x2f8/0x710 [ 265.396849][ C0] ? avc_denied+0x13f/0x1b0 [ 265.401186][ C0] ? avc_has_perm+0x275/0x400 [ 265.405699][ C0] ? __kasan_slab_alloc+0xb1/0xe0 [ 265.410560][ C0] ? slab_post_alloc_hook+0x61/0x2f0 [ 265.415684][ C0] ? kmem_cache_alloc+0x168/0x2e0 [ 265.420550][ C0] ? avc_has_perm_noaudit+0x240/0x240 [ 265.425751][ C0] ? iov_iter_advance+0x258/0xb20 [ 265.430701][ C0] netlink_rcv_skb+0x1cf/0x410 [ 265.435820][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.440365][ C0] ? netlink_ack+0xb30/0xb30 [ 265.444772][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 265.449706][ C0] rtnetlink_rcv+0x1c/0x20 [ 265.453963][ C0] netlink_unicast+0x8df/0xac0 [ 265.458561][ C0] ? netlink_detachskb+0x90/0x90 [ 265.463332][ C0] ? security_netlink_send+0x7b/0xa0 [ 265.468449][ C0] netlink_sendmsg+0xa46/0xd00 [ 265.473052][ C0] ? netlink_getsockopt+0x5c0/0x5c0 [ 265.478088][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 265.483380][ C0] ? netlink_getsockopt+0x5c0/0x5c0 [ 265.488414][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 265.493889][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 265.498746][ C0] ? import_iovec+0xe5/0x120 [ 265.503169][ C0] ___sys_sendmsg+0x252/0x2e0 [ 265.507685][ C0] ? __sys_sendmsg+0x280/0x280 [ 265.513148][ C0] ? finish_task_switch+0x130/0x5a0 [ 265.518313][ C0] ? __schedule+0xbee/0x1330 [ 265.522699][ C0] ? __kasan_check_write+0x14/0x20 [ 265.527815][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.533049][ C0] ? __kasan_check_read+0x11/0x20 [ 265.537914][ C0] ? __fdget+0x179/0x240 [ 265.541973][ C0] __se_sys_sendmsg+0x1b1/0x280 [ 265.546660][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.551688][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 265.556472][ C0] ? fpu__clear_all+0x20/0x20 [ 265.561106][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 265.565720][ C0] do_syscall_64+0x34/0x70 [ 265.570060][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 265.575782][ C0] RIP: 0033:0x7f1854130fc9 [ 265.580034][ 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 [ 265.599475][ C0] RSP: 002b:00007fffa4d38818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.607889][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1854130fc9 [ 265.615701][ C0] RDX: 0000000004004800 RSI: 0000000020000440 RDI: 0000000000000003 [ 265.623684][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 000055555586d610 [ 265.631500][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.639320][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 00007fffa4d38830