./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3240514609 <...> Warning: Permanently added '10.128.1.106' (ED25519) to the list of known hosts. execve("./syz-executor3240514609", ["./syz-executor3240514609"], 0x7ffc4dec5850 /* 10 vars */) = 0 brk(NULL) = 0x555556b0e000 brk(0x555556b0ed00) = 0x555556b0ed00 arch_prctl(ARCH_SET_FS, 0x555556b0e380) = 0 set_tid_address(0x555556b0e650) = 297 set_robust_list(0x555556b0e660, 24) = 0 rseq(0x555556b0eca0, 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-executor3240514609", 4096) = 28 getrandom("\x7a\x5b\xc9\xde\x67\x3b\xe9\xe7", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556b0ed00 brk(0x555556b2fd00) = 0x555556b2fd00 brk(0x555556b30000) = 0x555556b30000 mprotect(0x7f101160e000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b0e650) = 298 ./strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x555556b0e660, 24) = 0 [pid 298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 298] setpgid(0, 0) = 0 [pid 298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 298] write(3, "1000", 4) = 4 [pid 298] close(3) = 0 [pid 298] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 298] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 298] ioctl(4, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [ 24.984815][ T28] audit: type=1400 audit(1700300060.779:66): avc: denied { execmem } for pid=297 comm="syz-executor324" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 298] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x74\x00\x00\x00\x24\x00\x41\x65\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\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\x44\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x1c\x00\x05\x80\x10\x0c\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=116}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 297] kill(-298, SIGKILL) = 0 [pid 297] kill(298, SIGKILL) = 0 [pid 297] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555556b0f6f0 /* 2 entries */, 32768) = 48 [pid 297] getdents64(3, 0x555556b0f6f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [ 124.997416][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 125.003858][ C0] rcu: 0-...!: (10000 ticks this GP) idle=5b2c/1/0x4000000000000000 softirq=1611/1611 fqs=0 [ 125.013826][ C0] (t=10001 jiffies g=361 q=2360 ncpus=2) [ 125.019379][ C0] rcu: rcu_preempt kthread timer wakeup didn't happen for 10001 jiffies! g361 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 125.031353][ C0] rcu: Possible timer handling issue on cpu=0 timer-softirq=438 [ 125.038909][ C0] rcu: rcu_preempt kthread starved for 10004 jiffies! g361 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 125.049928][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 125.059739][ C0] rcu: RCU grace-period kthread stack dump: [ 125.065465][ C0] task:rcu_preempt state:I stack:28168 pid:14 ppid:2 flags:0x00004000 [ 125.074490][ C0] Call Trace: [ 125.077615][ C0] [ 125.080392][ C0] __schedule+0xc99/0x1540 [ 125.084650][ C0] ? __sched_text_start+0x8/0x8 [ 125.089331][ C0] ? __kasan_check_write+0x14/0x20 [ 125.094277][ C0] schedule+0xc3/0x180 [ 125.098184][ C0] schedule_timeout+0x18c/0x380 [ 125.102873][ C0] ? _raw_spin_unlock_irq+0x4d/0x70 [ 125.107907][ C0] ? console_conditional_schedule+0x10/0x10 [ 125.113635][ C0] ? update_process_times+0x1b0/0x1b0 [ 125.118842][ C0] ? prepare_to_swait_event+0x308/0x320 [ 125.124225][ C0] rcu_gp_fqs_loop+0x2dd/0xf40 [ 125.128827][ C0] ? _raw_spin_unlock_irq+0x4d/0x70 [ 125.133856][ C0] ? rcu_gp_init+0xc75/0xf70 [ 125.138286][ C0] ? rcu_gp_init+0xf70/0xf70 [ 125.142709][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 125.148398][ C0] ? finish_swait+0x17d/0x1b0 [ 125.152863][ C0] rcu_gp_kthread+0xa3/0x390 [ 125.157291][ C0] ? queued_spin_lock_slowpath+0x50/0x50 [ 125.162758][ C0] ? set_cpus_allowed_ptr+0xa4/0xe0 [ 125.167794][ C0] ? __kasan_check_read+0x11/0x20 [ 125.172653][ C0] ? __kthread_parkme+0x12d/0x180 [ 125.177513][ C0] kthread+0x26d/0x300 [ 125.181418][ C0] ? queued_spin_lock_slowpath+0x50/0x50 [ 125.186885][ C0] ? kthread_blkcg+0xd0/0xd0 [ 125.191313][ C0] ret_from_fork+0x1f/0x30 [ 125.195568][ C0] [ 125.198430][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 125.204591][ C0] CPU: 0 PID: 298 Comm: syz-executor324 Not tainted 6.1.43-syzkaller-00019-g1b639e97b8fc #0 [ 125.214487][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 125.224383][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 125.229157][ 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 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 [ 125.248598][ C0] RSP: 0018:ffffc90000f36be0 EFLAGS: 00000246 [ 125.254497][ C0] RAX: 0000000000000003 RBX: 1ffff920001e6d80 RCX: ffffffff84fbfc6c [ 125.262311][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888113c2a4ac [ 125.270120][ C0] RBP: ffffc90000f36c90 R08: dffffc0000000000 R09: ffffed1022785496 [ 125.277930][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 125.285748][ C0] R13: ffff888113c2a4ac R14: 0000000000000003 R15: 1ffff920001e6d84 [ 125.293572][ C0] FS: 0000555556b0e380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 125.302325][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 125.308751][ C0] CR2: 0000000000e7e2b8 CR3: 000000011d590000 CR4: 00000000003506b0 [ 125.316558][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 125.324416][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 125.332177][ C0] Call Trace: [ 125.335310][ C0] [ 125.337997][ C0] ? show_regs+0x58/0x60 [ 125.342072][ C0] ? dump_cpu_task+0x3c/0x70 [ 125.346501][ C0] ? rcu_check_gp_kthread_starvation+0x1d1/0x240 [ 125.352661][ C0] ? rcu_check_gp_kthread_expired_fqs_timer+0x18e/0x230 [ 125.359438][ C0] ? rcu_sched_clock_irq+0xfd1/0x1970 [ 125.364639][ C0] ? rcu_boost_kthread_setaffinity+0x5a0/0x5a0 [ 125.370627][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 125.375661][ C0] ? tick_setup_sched_timer+0x490/0x490 [ 125.381045][ C0] ? update_process_times+0x149/0x1b0 [ 125.386251][ C0] ? tick_sched_timer+0x188/0x240 [ 125.391109][ C0] ? tick_setup_sched_timer+0x490/0x490 [ 125.396493][ C0] ? __hrtimer_run_queues+0x41a/0xad0 [ 125.401703][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 125.406650][ C0] ? clockevents_program_event+0x22f/0x300 [ 125.412287][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 125.418191][ C0] ? hrtimer_interrupt+0x40c/0xaa0 [ 125.423143][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 125.429041][ C0] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 125.434686][ C0] [ 125.437457][ C0] [ 125.440238][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 125.446228][ C0] ? __pv_queued_spin_lock_slowpath+0x67c/0xda0 [ 125.452301][ C0] ? kvm_wait+0x147/0x180 [ 125.456466][ C0] ? asm_sysvec_call_function_single+0x1b/0x20 [ 125.462456][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 125.467402][ C0] ? __pv_queued_spin_lock_slowpath+0x67c/0xda0 [ 125.473481][ C0] __pv_queued_spin_lock_slowpath+0x6de/0xda0 [ 125.479385][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 125.485635][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 125.490402][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 125.495436][ C0] ? __kasan_check_read+0x11/0x20 [ 125.500298][ C0] get_dist_table+0x215/0x2e0 [ 125.504810][ C0] netem_change+0x9ec/0x20b0 [ 125.509237][ C0] ? __stack_depot_save+0x419/0x480 [ 125.514269][ C0] ? netem_destroy+0xc0/0xc0 [ 125.518694][ C0] ? ref_tracker_alloc+0x2b1/0x450 [ 125.523648][ C0] ? ref_tracker_dir_print+0x160/0x160 [ 125.528939][ C0] ? qdisc_alloc+0x588/0x780 [ 125.533365][ C0] ? qdisc_create+0x185/0x1160 [ 125.537965][ C0] ? tc_modify_qdisc+0x8d0/0x19c0 [ 125.542828][ C0] ? rtnetlink_rcv_msg+0x9a5/0xca0 [ 125.547821][ C0] ? hrtimer_init+0x30/0x160 [ 125.552201][ C0] netem_init+0x5b/0xb0 [ 125.556198][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 125.561313][ C0] qdisc_create+0x889/0x1160 [ 125.565742][ C0] ? qdisc_notify+0x380/0x380 [ 125.570253][ C0] tc_modify_qdisc+0x8d0/0x19c0 [ 125.574945][ C0] ? qdisc_offload_query_caps+0x170/0x170 [ 125.580497][ C0] ? security_capable+0x87/0xb0 [ 125.585182][ C0] ? bit_wait_io_timeout+0x120/0x120 [ 125.590303][ C0] ? ns_capable+0x89/0xe0 [ 125.594468][ C0] ? try_module_get+0x12a/0x290 [ 125.599153][ C0] ? qdisc_offload_query_caps+0x170/0x170 [ 125.604710][ C0] rtnetlink_rcv_msg+0x9a5/0xca0 [ 125.609599][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 125.615240][ C0] ? rtnetlink_bind+0x80/0x80 [ 125.619745][ C0] ? avc_denied+0x13f/0x1b0 [ 125.624083][ C0] ? avc_has_perm_noaudit+0x2dd/0x430 [ 125.629289][ C0] ? avc_denied+0x1b0/0x1b0 [ 125.633634][ C0] ? avc_has_perm+0x16f/0x260 [ 125.638142][ C0] ? __alloc_skb+0x10f/0x2e0 [ 125.642567][ C0] ? netlink_sendmsg+0x7a6/0xd30 [ 125.647341][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 125.652551][ C0] netlink_rcv_skb+0x1cd/0x410 [ 125.657151][ C0] ? rtnetlink_bind+0x80/0x80 [ 125.661666][ C0] ? netlink_ack+0xe60/0xe60 [ 125.666100][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 125.670960][ C0] rtnetlink_rcv+0x1c/0x20 [ 125.675213][ C0] netlink_unicast+0x8ee/0xad0 [ 125.679809][ C0] ? netlink_detachskb+0x90/0x90 [ 125.684576][ C0] ? security_netlink_send+0x7b/0xa0 [ 125.689698][ C0] netlink_sendmsg+0xa15/0xd30 [ 125.694300][ C0] ? netlink_getsockopt+0x560/0x560 [ 125.699341][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 125.704635][ C0] ? netlink_getsockopt+0x560/0x560 [ 125.709666][ C0] ____sys_sendmsg+0x5dc/0x9d0 [ 125.714264][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 125.719125][ C0] __sys_sendmsg+0x2a9/0x390 [ 125.723550][ C0] ? ____sys_sendmsg+0x9d0/0x9d0 [ 125.728321][ C0] ? memset+0x35/0x40 [ 125.732143][ C0] ? ptrace_notify+0x249/0x350 [ 125.736750][ C0] ? debug_smp_processor_id+0x17/0x20 [ 125.741950][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 125.747853][ C0] ? exit_to_user_mode_prepare+0x39/0xa0 [ 125.753321][ C0] __x64_sys_sendmsg+0x7f/0x90 [ 125.757918][ C0] do_syscall_64+0x3d/0xb0 [ 125.762169][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.767895][ C0] RIP: 0033:0x7f101159ac39 [ 125.772170][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 [ 125.791591][ C0] RSP: 002b:00007ffd3d9813b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 125.799835][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f101159ac39 [ 125.807653][ C0] RDX: 0000000000000000 RSI: 00000000200012c0 RDI: 0000000000000003 [ 125.815459][ C0] RBP: 00007f101160e5f0 R08: 0000000000000000 R09: 0000000000000006 [ 125.823396][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 125.831182][ C0] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 125.839003][ C0] [ 125.841874][ C0] CPU: 0 PID: 298 Comm: syz-executor324 Not tainted 6.1.43-syzkaller-00019-g1b639e97b8fc #0 [ 125.851843][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 125.861736][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 125.866504][ 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 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 [ 125.885949][ C0] RSP: 0018:ffffc90000f36be0 EFLAGS: 00000246 [ 125.891850][ C0] RAX: 0000000000000003 RBX: 1ffff920001e6d80 RCX: ffffffff84fbfc6c [ 125.899663][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888113c2a4ac [ 125.907473][ C0] RBP: ffffc90000f36c90 R08: dffffc0000000000 R09: ffffed1022785496 [ 125.915294][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 125.923091][ C0] R13: ffff888113c2a4ac R14: 0000000000000003 R15: 1ffff920001e6d84 [ 125.930903][ C0] FS: 0000555556b0e380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 125.939671][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 125.946094][ C0] CR2: 0000000000e7e2b8 CR3: 000000011d590000 CR4: 00000000003506b0 [ 125.953907][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 125.961725][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 125.969967][ C0] Call Trace: [ 125.973089][ C0] [ 125.975777][ C0] ? show_regs+0x58/0x60 [ 125.979859][ C0] ? dump_cpu_task+0x3c/0x70 [ 125.984282][ C0] ? rcu_dump_cpu_stacks+0x1db/0x370 [ 125.989417][ C0] ? rcu_sched_clock_irq+0xfd6/0x1970 [ 125.994616][ C0] ? rcu_boost_kthread_setaffinity+0x5a0/0x5a0 [ 126.000601][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 126.005636][ C0] ? tick_setup_sched_timer+0x490/0x490 [ 126.011020][ C0] ? update_process_times+0x149/0x1b0 [ 126.016224][ C0] ? tick_sched_timer+0x188/0x240 [ 126.021085][ C0] ? tick_setup_sched_timer+0x490/0x490 [ 126.026463][ C0] ? __hrtimer_run_queues+0x41a/0xad0 [ 126.031675][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 126.036619][ C0] ? clockevents_program_event+0x22f/0x300 [ 126.042258][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 126.048161][ C0] ? hrtimer_interrupt+0x40c/0xaa0 [ 126.053113][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 126.059013][ C0] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 126.064654][ C0] [ 126.067428][ C0] [ 126.070209][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 126.076201][ C0] ? __pv_queued_spin_lock_slowpath+0x67c/0xda0 [ 126.082274][ C0] ? kvm_wait+0x147/0x180 [ 126.086436][ C0] ? asm_sysvec_call_function_single+0x1b/0x20 [ 126.092424][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 126.097376][ C0] ? __pv_queued_spin_lock_slowpath+0x67c/0xda0 [ 126.103462][ C0] __pv_queued_spin_lock_slowpath+0x6de/0xda0 [ 126.109355][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 126.115605][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 126.120373][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 126.125410][ C0] ? __kasan_check_read+0x11/0x20 [ 126.130267][ C0] get_dist_table+0x215/0x2e0 [ 126.134780][ C0] netem_change+0x9ec/0x20b0 [ 126.139211][ C0] ? __stack_depot_save+0x419/0x480 [ 126.144248][ C0] ? netem_destroy+0xc0/0xc0 [ 126.148665][ C0] ? ref_tracker_alloc+0x2b1/0x450 [ 126.153617][ C0] ? ref_tracker_dir_print+0x160/0x160 [ 126.158912][ C0] ? qdisc_alloc+0x588/0x780 [ 126.163356][ C0] ? qdisc_create+0x185/0x1160 [ 126.167936][ C0] ? tc_modify_qdisc+0x8d0/0x19c0 [ 126.172795][ C0] ? rtnetlink_rcv_msg+0x9a5/0xca0 [ 126.177753][ C0] ? hrtimer_init+0x30/0x160 [ 126.182175][ C0] netem_init+0x5b/0xb0 [ 126.186162][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 126.191284][ C0] qdisc_create+0x889/0x1160 [ 126.195712][ C0] ? qdisc_notify+0x380/0x380 [ 126.200225][ C0] tc_modify_qdisc+0x8d0/0x19c0 [ 126.205000][ C0] ? qdisc_offload_query_caps+0x170/0x170 [ 126.210568][ C0] ? security_capable+0x87/0xb0 [ 126.215240][ C0] ? bit_wait_io_timeout+0x120/0x120 [ 126.220360][ C0] ? ns_capable+0x89/0xe0 [ 126.224525][ C0] ? try_module_get+0x12a/0x290 [ 126.229213][ C0] ? qdisc_offload_query_caps+0x170/0x170 [ 126.234767][ C0] rtnetlink_rcv_msg+0x9a5/0xca0 [ 126.239542][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 126.245184][ C0] ? rtnetlink_bind+0x80/0x80 [ 126.249704][ C0] ? avc_denied+0x13f/0x1b0 [ 126.254041][ C0] ? avc_has_perm_noaudit+0x2dd/0x430 [ 126.259253][ C0] ? avc_denied+0x1b0/0x1b0 [ 126.263590][ C0] ? avc_has_perm+0x16f/0x260 [ 126.268103][ C0] ? __alloc_skb+0x10f/0x2e0 [ 126.272520][ C0] ? netlink_sendmsg+0x7a6/0xd30 [ 126.277297][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 126.282736][ C0] netlink_rcv_skb+0x1cd/0x410 [ 126.287319][ C0] ? rtnetlink_bind+0x80/0x80 [ 126.291836][ C0] ? netlink_ack+0xe60/0xe60 [ 126.296266][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 126.301119][ C0] rtnetlink_rcv+0x1c/0x20 [ 126.305369][ C0] netlink_unicast+0x8ee/0xad0 [ 126.309972][ C0] ? netlink_detachskb+0x90/0x90 [ 126.314743][ C0] ? security_netlink_send+0x7b/0xa0 [ 126.319866][ C0] netlink_sendmsg+0xa15/0xd30 [ 126.324577][ C0] ? netlink_getsockopt+0x560/0x560 [ 126.329607][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 126.335001][ C0] ? netlink_getsockopt+0x560/0x560 [ 126.340020][ C0] ____sys_sendmsg+0x5dc/0x9d0 [ 126.344616][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 126.349504][ C0] __sys_sendmsg+0x2a9/0x390 [ 126.353907][ C0] ? ____sys_sendmsg+0x9d0/0x9d0 [ 126.358678][ C0] ? memset+0x35/0x40 [ 126.362724][ C0] ? ptrace_notify+0x249/0x350 [ 126.367326][ C0] ? debug_smp_processor_id+0x17/0x20 [ 126.372519][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 126.378518][ C0] ? exit_to_user_mode_prepare+0x39/0xa0 [ 126.383978][ C0] __x64_sys_sendmsg+0x7f/0x90 [ 126.388579][ C0] do_syscall_64+0x3d/0xb0 [ 126.392833][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 126.398645][ C0] RIP: 0033:0x7f101159ac39 [ 126.402899][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 [ 126.422340][ C0] RSP: 002b:00007ffd3d9813b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 126.430691][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f101159ac39 [ 126.438493][ C0] RDX: 0000000000000000 RSI: 00000000200012c0 RDI: 0000000000000003 [ 126.446307][ C0] RBP: 00007f101160e5f0 R08: 0000000000000000 R09: 0000000000000006 [ 126.454133][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 126.461935][ C0] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 126.469743][ C0] [ 265.057378][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 225s! [syz-executor324:298] [ 265.065817][ C0] Modules linked in: [ 265.069546][ C0] CPU: 0 PID: 298 Comm: syz-executor324 Not tainted 6.1.43-syzkaller-00019-g1b639e97b8fc #0 [ 265.079439][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 265.089337][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 265.094112][ 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 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 [ 265.114121][ C0] RSP: 0018:ffffc90000f36be0 EFLAGS: 00000246 [ 265.120020][ C0] RAX: 0000000000000003 RBX: 1ffff920001e6d80 RCX: ffffffff84fbfc6c [ 265.127825][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888113c2a4ac [ 265.135637][ C0] RBP: ffffc90000f36c90 R08: dffffc0000000000 R09: ffffed1022785496 [ 265.143448][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.151260][ C0] R13: ffff888113c2a4ac R14: 0000000000000003 R15: 1ffff920001e6d84 [ 265.159071][ C0] FS: 0000555556b0e380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 265.168283][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.174708][ C0] CR2: 0000000000e7e2b8 CR3: 000000011d590000 CR4: 00000000003506b0 [ 265.182507][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.190325][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.198127][ C0] Call Trace: [ 265.201255][ C0] [ 265.203948][ C0] ? show_regs+0x58/0x60 [ 265.208030][ C0] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.212971][ C0] ? proc_watchdog_cpumask+0xf0/0xf0 [ 265.218104][ C0] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.223303][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.228344][ C0] ? clockevents_program_event+0x236/0x300 [ 265.234077][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.239978][ C0] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.244932][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.250825][ C0] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.256471][ C0] [ 265.259248][ C0] [ 265.262020][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.268017][ C0] ? __pv_queued_spin_lock_slowpath+0x67c/0xda0 [ 265.274084][ C0] ? kvm_wait+0x147/0x180 [ 265.278258][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.284239][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 265.289186][ C0] ? __pv_queued_spin_lock_slowpath+0x67c/0xda0 [ 265.295264][ C0] __pv_queued_spin_lock_slowpath+0x6de/0xda0 [ 265.301171][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.307419][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 265.312186][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.317221][ C0] ? __kasan_check_read+0x11/0x20 [ 265.322085][ C0] get_dist_table+0x215/0x2e0 [ 265.326598][ C0] netem_change+0x9ec/0x20b0 [ 265.331134][ C0] ? __stack_depot_save+0x419/0x480 [ 265.336166][ C0] ? netem_destroy+0xc0/0xc0 [ 265.340585][ C0] ? ref_tracker_alloc+0x2b1/0x450 [ 265.345537][ C0] ? ref_tracker_dir_print+0x160/0x160 [ 265.350822][ C0] ? qdisc_alloc+0x588/0x780 [ 265.355251][ C0] ? qdisc_create+0x185/0x1160 [ 265.359847][ C0] ? tc_modify_qdisc+0x8d0/0x19c0 [ 265.364707][ C0] ? rtnetlink_rcv_msg+0x9a5/0xca0 [ 265.369664][ C0] ? hrtimer_init+0x30/0x160 [ 265.374085][ C0] netem_init+0x5b/0xb0 [ 265.378076][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 265.383197][ C0] qdisc_create+0x889/0x1160 [ 265.387625][ C0] ? qdisc_notify+0x380/0x380 [ 265.392152][ C0] tc_modify_qdisc+0x8d0/0x19c0 [ 265.396831][ C0] ? qdisc_offload_query_caps+0x170/0x170 [ 265.402382][ C0] ? security_capable+0x87/0xb0 [ 265.407065][ C0] ? bit_wait_io_timeout+0x120/0x120 [ 265.412189][ C0] ? ns_capable+0x89/0xe0 [ 265.416355][ C0] ? try_module_get+0x12a/0x290 [ 265.421039][ C0] ? qdisc_offload_query_caps+0x170/0x170 [ 265.426596][ C0] rtnetlink_rcv_msg+0x9a5/0xca0 [ 265.431370][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 265.437011][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.441525][ C0] ? avc_denied+0x13f/0x1b0 [ 265.445863][ C0] ? avc_has_perm_noaudit+0x2dd/0x430 [ 265.451075][ C0] ? avc_denied+0x1b0/0x1b0 [ 265.455412][ C0] ? avc_has_perm+0x16f/0x260 [ 265.459922][ C0] ? __alloc_skb+0x10f/0x2e0 [ 265.464350][ C0] ? netlink_sendmsg+0x7a6/0xd30 [ 265.469321][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 265.474523][ C0] netlink_rcv_skb+0x1cd/0x410 [ 265.479120][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.483631][ C0] ? netlink_ack+0xe60/0xe60 [ 265.488068][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 265.493031][ C0] rtnetlink_rcv+0x1c/0x20 [ 265.497274][ C0] netlink_unicast+0x8ee/0xad0 [ 265.501875][ C0] ? netlink_detachskb+0x90/0x90 [ 265.506649][ C0] ? security_netlink_send+0x7b/0xa0 [ 265.511771][ C0] netlink_sendmsg+0xa15/0xd30 [ 265.516373][ C0] ? netlink_getsockopt+0x560/0x560 [ 265.521408][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 265.526699][ C0] ? netlink_getsockopt+0x560/0x560 [ 265.531735][ C0] ____sys_sendmsg+0x5dc/0x9d0 [ 265.536333][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 265.541193][ C0] __sys_sendmsg+0x2a9/0x390 [ 265.545618][ C0] ? ____sys_sendmsg+0x9d0/0x9d0 [ 265.550397][ C0] ? memset+0x35/0x40 [ 265.554211][ C0] ? ptrace_notify+0x249/0x350 [ 265.558819][ C0] ? debug_smp_processor_id+0x17/0x20 [ 265.564017][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 265.569937][ C0] ? exit_to_user_mode_prepare+0x39/0xa0 [ 265.575394][ C0] __x64_sys_sendmsg+0x7f/0x90 [ 265.580137][ C0] do_syscall_64+0x3d/0xb0 [ 265.584360][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 265.590089][ C0] RIP: 0033:0x7f101159ac39 [ 265.594421][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 [ 265.613784][ C0] RSP: 002b:00007ffd3d9813b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.622030][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f101159ac39 [ 265.629846][ C0] RDX: 0000000000000000 RSI: 00000000200012c0 RDI: 0000000000000003 [ 265.637654][ C0] RBP: 00007f101160e5f0 R08: 0000000000000000 R09: 0000000000000006 [ 265.645456][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 265.653270][ C0] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 265.661088][ C0]