./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4049148818 <...> Warning: Permanently added '10.128.1.111' (ED25519) to the list of known hosts. execve("./syz-executor4049148818", ["./syz-executor4049148818"], 0x7ffcab14b280 /* 10 vars */) = 0 brk(NULL) = 0x555556a0e000 brk(0x555556a0ed00) = 0x555556a0ed00 arch_prctl(ARCH_SET_FS, 0x555556a0e380) = 0 set_tid_address(0x555556a0e650) = 292 set_robust_list(0x555556a0e660, 24) = 0 rseq(0x555556a0eca0, 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-executor4049148818", 4096) = 28 getrandom("\x4a\x9b\xde\x30\xb5\xca\x93\xe1", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556a0ed00 brk(0x555556a2fd00) = 0x555556a2fd00 brk(0x555556a30000) = 0x555556a30000 mprotect(0x7f2fc0656000, 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./strace-static-x86_64: Process 293 attached , child_tidptr=0x555556a0e650) = 293 [pid 293] set_robust_list(0x555556a0e660, 24) = 0 [pid 293] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 293] setsid() = 1 [pid 293] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 293] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 293] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 293] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 293] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 293] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 293] unshare(CLONE_NEWNS) = 0 [pid 293] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 293] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 293] unshare(CLONE_NEWCGROUP) = 0 [pid 293] unshare(CLONE_NEWUTS) = 0 [pid 293] unshare(CLONE_SYSVSEM) = 0 [pid 293] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 293] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 293] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 293] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 293] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 293] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 293] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 293] getpid() = 1 [pid 293] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 20.616942][ T30] audit: type=1400 audit(1693297300.028:66): avc: denied { execmem } for pid=292 comm="syz-executor404" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 20.620707][ T30] audit: type=1400 audit(1693297300.028:67): avc: denied { mounton } for pid=293 comm="syz-executor404" 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 [ 20.624903][ T30] audit: type=1400 audit(1693297300.028:68): avc: denied { mount } for pid=293 comm="syz-executor404" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 20.628572][ T30] audit: type=1400 audit(1693297300.038:69): avc: denied { mounton } for pid=293 comm="syz-executor404" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 20.636670][ T30] audit: type=1400 audit(1693297300.048:70): avc: denied { mounton } for pid=293 comm="syz-executor404" path="/dev/binderfs" dev="devtmpfs" ino=362 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 20.655311][ T30] audit: type=1400 audit(1693297300.048:71): avc: denied { mount } for pid=293 comm="syz-executor404" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [pid 294] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x60\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\x30\x00\x02\x00\x00\x00\x00\x00\x01\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x02\x00\x1a\x42\x00\x00\x0c\x00\x0b\x00\x08\x00\x00\x00\x00\x00\x00\x00", iov_len=96}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 293] kill(-2, SIGKILL) = 0 [pid 293] kill(2, SIGKILL) = 0 [pid 293] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 293] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(3, 0x555556a0f6f0 /* 2 entries */, 32768) = 48 [pid 293] getdents64(3, 0x555556a0f6f0 /* 0 entries */, 32768) = 0 [pid 293] close(3) = 0 [ 120.631485][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 120.637891][ C1] rcu: 1-...!: (10000 ticks this GP) idle=d13/1/0x4000000000000000 softirq=2385/2385 fqs=0 last_accelerate: 928a/b99c dyntick_enabled: 1 [ 120.651778][ C1] (t=10000 jiffies g=349 q=2421) [ 120.656637][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 9999 jiffies! g349 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 120.668528][ C1] rcu: Possible timer handling issue on cpu=1 timer-softirq=444 [ 120.676074][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g349 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 120.687096][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 120.696902][ C1] rcu: RCU grace-period kthread stack dump: [ 120.702633][ C1] task:rcu_preempt state:I stack:28328 pid: 14 ppid: 2 flags:0x00004000 [ 120.711662][ C1] Call Trace: [ 120.714784][ C1] [ 120.717716][ C1] __schedule+0xcbe/0x1580 [ 120.721955][ C1] ? release_firmware_map_entry+0x18f/0x18f [ 120.727675][ C1] ? __kasan_check_write+0x14/0x20 [ 120.732622][ C1] ? __kasan_check_write+0x14/0x20 [ 120.737571][ C1] schedule+0x11f/0x1e0 [ 120.741560][ C1] schedule_timeout+0x18c/0x370 [ 120.746248][ C1] ? __update_idle_core+0x2a0/0x2a0 [ 120.751282][ C1] ? console_conditional_schedule+0x30/0x30 [ 120.757010][ C1] ? update_process_times+0x200/0x200 [ 120.763258][ C1] ? prepare_to_swait_event+0x308/0x320 [ 120.768639][ C1] rcu_gp_fqs_loop+0x29f/0xe60 [ 120.773240][ C1] ? debug_smp_processor_id+0x17/0x20 [ 120.778445][ C1] ? __note_gp_changes+0x4ab/0x920 [ 120.783394][ C1] ? rcu_gp_init+0xc20/0xc20 [ 120.787821][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 120.792858][ C1] ? rcu_gp_init+0x9c5/0xc20 [ 120.797371][ C1] rcu_gp_kthread+0xa4/0x350 [ 120.801795][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 120.806480][ C1] ? rcu_barrier_callback+0x50/0x50 [ 120.811515][ C1] ? __kasan_check_read+0x11/0x20 [ 120.816376][ C1] ? __kthread_parkme+0xb2/0x200 [ 120.821149][ C1] kthread+0x421/0x510 [ 120.825054][ C1] ? rcu_barrier_callback+0x50/0x50 [ 120.830091][ C1] ? kthread_blkcg+0xd0/0xd0 [ 120.834520][ C1] ret_from_fork+0x1f/0x30 [ 120.838773][ C1] [ 120.841631][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 120.847794][ C1] NMI backtrace for cpu 1 [ 120.851990][ C1] CPU: 1 PID: 294 Comm: syz-executor404 Not tainted 5.15.123-syzkaller-00688-g83c56fbab45d #0 [ 120.862030][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 120.871925][ C1] Call Trace: [ 120.875049][ C1] [ 120.877741][ C1] dump_stack_lvl+0x151/0x1b7 [ 120.882255][ C1] ? io_uring_drop_tctx_refs+0x190/0x190 [ 120.887720][ C1] dump_stack+0x15/0x17 [ 120.891711][ C1] nmi_cpu_backtrace+0x2f7/0x300 [ 120.896485][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 120.902491][ C1] ? panic+0x751/0x751 [ 120.906385][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 120.912283][ C1] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 120.918098][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 120.924000][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 120.929729][ C1] rcu_check_gp_kthread_starvation+0x1e3/0x250 [ 120.935803][ C1] ? rcu_check_gp_kthread_expired_fqs_timer+0x18e/0x230 [ 120.942572][ C1] rcu_sched_clock_irq+0xf92/0x18e0 [ 120.947607][ C1] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 120.953599][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 120.958632][ C1] update_process_times+0x198/0x200 [ 120.963665][ C1] tick_sched_timer+0x188/0x240 [ 120.968351][ C1] ? tick_setup_sched_timer+0x480/0x480 [ 120.973732][ C1] __hrtimer_run_queues+0x41a/0xad0 [ 120.978855][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 120.983800][ C1] ? clockevents_program_event+0x22f/0x300 [ 120.989442][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 120.995345][ C1] hrtimer_interrupt+0x40c/0xaa0 [ 121.000119][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 121.005847][ C1] sysvec_apic_timer_interrupt+0x95/0xc0 [ 121.011313][ C1] [ 121.014092][ C1] [ 121.016868][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 121.022685][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 121.027456][ 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 [ 121.046900][ C1] RSP: 0018:ffffc900007aeb00 EFLAGS: 00000246 [ 121.052800][ C1] RAX: 0000000000000003 RBX: 1ffff920000f5d64 RCX: ffffffff8154cfdf [ 121.060610][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3c3ec [ 121.068423][ C1] RBP: ffffc900007aebb0 R08: dffffc0000000000 R09: fffffbfff0de787e [ 121.076237][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 121.084047][ C1] R13: ffffffff86f3c3ec R14: 0000000000000003 R15: 1ffff920000f5d68 [ 121.091858][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 121.097943][ C1] ? asm_sysvec_call_function_single+0x1b/0x20 [ 121.103923][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 121.108874][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 121.114947][ C1] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 121.120850][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 121.127098][ C1] ? __kmalloc+0x13a/0x270 [ 121.131350][ C1] ? kvmalloc_node+0x1f0/0x4d0 [ 121.135952][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 121.140724][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 121.145761][ C1] ? __kasan_check_read+0x11/0x20 [ 121.150617][ C1] get_dist_table+0x207/0x2e0 [ 121.155133][ C1] netem_change+0xa05/0x20c0 [ 121.159557][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 121.164330][ C1] ? do_syscall_64+0x3d/0xb0 [ 121.168758][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 121.174663][ C1] ? netem_destroy+0xc0/0xc0 [ 121.179089][ C1] ? hrtimer_init+0x30/0x160 [ 121.183513][ C1] netem_init+0x5b/0xb0 [ 121.187504][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 121.192627][ C1] qdisc_create+0x890/0x12e0 [ 121.197053][ C1] ? qdisc_notify+0x370/0x370 [ 121.201574][ C1] ? __nla_parse+0x43/0x60 [ 121.205820][ C1] tc_modify_qdisc+0x8b4/0x14b0 [ 121.210505][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 121.216347][ C1] ? wait_for_completion_killable_timeout+0x10/0x10 [ 121.222767][ C1] ? ns_capable+0x89/0xe0 [ 121.226935][ C1] ? netlink_net_capable+0x125/0x160 [ 121.232055][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 121.237788][ C1] rtnetlink_rcv_msg+0x951/0xc40 [ 121.242557][ C1] ? rtnetlink_bind+0x80/0x80 [ 121.247069][ C1] ? avc_denied+0x13f/0x1b0 [ 121.252279][ C1] ? avc_has_perm_noaudit+0x2dd/0x430 [ 121.257485][ C1] ? avc_denied+0x1b0/0x1b0 [ 121.261836][ C1] ? avc_has_perm+0x16f/0x260 [ 121.266339][ C1] ? ____kasan_kmalloc+0xed/0x110 [ 121.271202][ C1] ? avc_has_perm_noaudit+0x430/0x430 [ 121.276405][ C1] ? do_syscall_64+0x3d/0xb0 [ 121.280834][ C1] netlink_rcv_skb+0x1cf/0x410 [ 121.285449][ C1] ? rtnetlink_bind+0x80/0x80 [ 121.289946][ C1] ? netlink_ack+0xb10/0xb10 [ 121.294376][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 121.299235][ C1] rtnetlink_rcv+0x1c/0x20 [ 121.303487][ C1] netlink_unicast+0x8df/0xac0 [ 121.308086][ C1] ? netlink_detachskb+0x90/0x90 [ 121.312859][ C1] ? security_netlink_send+0x7b/0xa0 [ 121.317979][ C1] netlink_sendmsg+0xa0a/0xd20 [ 121.322582][ C1] ? netlink_getsockopt+0x560/0x560 [ 121.327614][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 121.332909][ C1] ? netlink_getsockopt+0x560/0x560 [ 121.337944][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 121.342546][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 121.347664][ C1] ? import_iovec+0xe5/0x120 [ 121.352090][ C1] ___sys_sendmsg+0x252/0x2e0 [ 121.356605][ C1] ? __sys_sendmsg+0x260/0x260 [ 121.361202][ C1] ? finish_task_switch+0x167/0x7b0 [ 121.366240][ C1] ? __schedule+0xcc6/0x1580 [ 121.370665][ C1] ? __kasan_check_write+0x14/0x20 [ 121.375611][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 121.380560][ C1] ? __kasan_check_read+0x11/0x20 [ 121.385421][ C1] ? __fdget+0x179/0x240 [ 121.389500][ C1] __se_sys_sendmsg+0x19a/0x260 [ 121.394184][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 121.399232][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 121.403996][ C1] ? __kasan_check_read+0x11/0x20 [ 121.408853][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 121.413454][ C1] do_syscall_64+0x3d/0xb0 [ 121.417713][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 121.423436][ C1] RIP: 0033:0x7f2fc05e2fc9 [ 121.427688][ 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 [ 121.447129][ C1] RSP: 002b:00007ffda9c8d038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 121.455374][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2fc05e2fc9 [ 121.463185][ C1] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000003 [ 121.471084][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556a0f610 [ 121.478894][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 121.486707][ C1] R13: 0000000000000000 R14: 00007ffda9c8d060 R15: 00007ffda9c8d050 [ 121.494615][ C1] [ 121.497486][ C1] NMI backtrace for cpu 1 [ 121.501637][ C1] CPU: 1 PID: 294 Comm: syz-executor404 Not tainted 5.15.123-syzkaller-00688-g83c56fbab45d #0 [ 121.511704][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 121.521598][ C1] Call Trace: [ 121.524723][ C1] [ 121.527414][ C1] dump_stack_lvl+0x151/0x1b7 [ 121.531927][ C1] ? io_uring_drop_tctx_refs+0x190/0x190 [ 121.537403][ C1] ? ttwu_do_wakeup+0x187/0x430 [ 121.542089][ C1] dump_stack+0x15/0x17 [ 121.546076][ C1] nmi_cpu_backtrace+0x2f7/0x300 [ 121.550852][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 121.556838][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 121.562131][ C1] ? __kasan_check_write+0x14/0x20 [ 121.567077][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 121.571765][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 121.577667][ C1] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 121.583482][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 121.589386][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 121.595112][ C1] rcu_dump_cpu_stacks+0x1d8/0x330 [ 121.600061][ C1] rcu_sched_clock_irq+0xf97/0x18e0 [ 121.605093][ C1] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 121.611081][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 121.616124][ C1] update_process_times+0x198/0x200 [ 121.621152][ C1] tick_sched_timer+0x188/0x240 [ 121.625837][ C1] ? tick_setup_sched_timer+0x480/0x480 [ 121.631483][ C1] __hrtimer_run_queues+0x41a/0xad0 [ 121.636517][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 121.641461][ C1] ? clockevents_program_event+0x22f/0x300 [ 121.647103][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 121.653003][ C1] hrtimer_interrupt+0x40c/0xaa0 [ 121.657780][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 121.663505][ C1] sysvec_apic_timer_interrupt+0x95/0xc0 [ 121.668976][ C1] [ 121.671752][ C1] [ 121.674527][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 121.680344][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 121.685118][ 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 [ 121.704559][ C1] RSP: 0018:ffffc900007aeb00 EFLAGS: 00000246 [ 121.710459][ C1] RAX: 0000000000000003 RBX: 1ffff920000f5d64 RCX: ffffffff8154cfdf [ 121.718486][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3c3ec [ 121.726287][ C1] RBP: ffffc900007aebb0 R08: dffffc0000000000 R09: fffffbfff0de787e [ 121.734097][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 121.741906][ C1] R13: ffffffff86f3c3ec R14: 0000000000000003 R15: 1ffff920000f5d68 [ 121.749722][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 121.755796][ C1] ? asm_sysvec_call_function_single+0x1b/0x20 [ 121.761787][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 121.766735][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 121.772811][ C1] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 121.778711][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 121.784958][ C1] ? __kmalloc+0x13a/0x270 [ 121.789210][ C1] ? kvmalloc_node+0x1f0/0x4d0 [ 121.793813][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 121.798584][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 121.803619][ C1] ? __kasan_check_read+0x11/0x20 [ 121.808479][ C1] get_dist_table+0x207/0x2e0 [ 121.812991][ C1] netem_change+0xa05/0x20c0 [ 121.817419][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 121.822191][ C1] ? do_syscall_64+0x3d/0xb0 [ 121.826619][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 121.832525][ C1] ? netem_destroy+0xc0/0xc0 [ 121.836953][ C1] ? hrtimer_init+0x30/0x160 [ 121.841380][ C1] netem_init+0x5b/0xb0 [ 121.845367][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 121.850489][ C1] qdisc_create+0x890/0x12e0 [ 121.854918][ C1] ? qdisc_notify+0x370/0x370 [ 121.859429][ C1] ? __nla_parse+0x43/0x60 [ 121.863768][ C1] tc_modify_qdisc+0x8b4/0x14b0 [ 121.868454][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 121.874185][ C1] ? wait_for_completion_killable_timeout+0x10/0x10 [ 121.880606][ C1] ? ns_capable+0x89/0xe0 [ 121.884778][ C1] ? netlink_net_capable+0x125/0x160 [ 121.889894][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 121.895622][ C1] rtnetlink_rcv_msg+0x951/0xc40 [ 121.900396][ C1] ? rtnetlink_bind+0x80/0x80 [ 121.904908][ C1] ? avc_denied+0x13f/0x1b0 [ 121.909248][ C1] ? avc_has_perm_noaudit+0x2dd/0x430 [ 121.915038][ C1] ? avc_denied+0x1b0/0x1b0 [ 121.919379][ C1] ? avc_has_perm+0x16f/0x260 [ 121.923892][ C1] ? ____kasan_kmalloc+0xed/0x110 [ 121.928753][ C1] ? avc_has_perm_noaudit+0x430/0x430 [ 121.933964][ C1] ? do_syscall_64+0x3d/0xb0 [ 121.938388][ C1] netlink_rcv_skb+0x1cf/0x410 [ 121.942985][ C1] ? rtnetlink_bind+0x80/0x80 [ 121.947512][ C1] ? netlink_ack+0xb10/0xb10 [ 121.951927][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 121.956792][ C1] rtnetlink_rcv+0x1c/0x20 [ 121.961038][ C1] netlink_unicast+0x8df/0xac0 [ 121.965640][ C1] ? netlink_detachskb+0x90/0x90 [ 121.970415][ C1] ? security_netlink_send+0x7b/0xa0 [ 121.975532][ C1] netlink_sendmsg+0xa0a/0xd20 [ 121.980135][ C1] ? netlink_getsockopt+0x560/0x560 [ 121.985166][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 121.990462][ C1] ? netlink_getsockopt+0x560/0x560 [ 121.995494][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 122.000096][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 122.004958][ C1] ? import_iovec+0xe5/0x120 [ 122.009386][ C1] ___sys_sendmsg+0x252/0x2e0 [ 122.013897][ C1] ? __sys_sendmsg+0x260/0x260 [ 122.018496][ C1] ? finish_task_switch+0x167/0x7b0 [ 122.023531][ C1] ? __schedule+0xcc6/0x1580 [ 122.027956][ C1] ? __kasan_check_write+0x14/0x20 [ 122.032905][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 122.037855][ C1] ? __kasan_check_read+0x11/0x20 [ 122.042711][ C1] ? __fdget+0x179/0x240 [ 122.046789][ C1] __se_sys_sendmsg+0x19a/0x260 [ 122.051477][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 122.056516][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 122.061287][ C1] ? __kasan_check_read+0x11/0x20 [ 122.066145][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 122.070748][ C1] do_syscall_64+0x3d/0xb0 [ 122.074998][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 122.080727][ C1] RIP: 0033:0x7f2fc05e2fc9 [ 122.084990][ 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 [ 122.104424][ C1] RSP: 002b:00007ffda9c8d038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 122.112760][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2fc05e2fc9 [ 122.120569][ C1] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000003 [ 122.128376][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556a0f610 [ 122.136186][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 122.143998][ C1] R13: 0000000000000000 R14: 00007ffda9c8d060 R15: 00007ffda9c8d050 [ 122.151814][ C1] [ 265.106228][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 245s! [syz-executor404:294] [ 265.114656][ C1] Modules linked in: [ 265.118363][ C1] CPU: 1 PID: 294 Comm: syz-executor404 Not tainted 5.15.123-syzkaller-00688-g83c56fbab45d #0 [ 265.128438][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 265.138331][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 265.143097][ 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 [ 265.163063][ C1] RSP: 0018:ffffc900007aeb00 EFLAGS: 00000246 [ 265.168962][ C1] RAX: 0000000000000003 RBX: 1ffff920000f5d64 RCX: ffffffff8154cfdf [ 265.176774][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3c3ec [ 265.184633][ C1] RBP: ffffc900007aebb0 R08: dffffc0000000000 R09: fffffbfff0de787e [ 265.192396][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.200207][ C1] R13: ffffffff86f3c3ec R14: 0000000000000003 R15: 1ffff920000f5d68 [ 265.208024][ C1] FS: 0000555556a0e380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 265.216785][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.223208][ C1] CR2: 0000000000000000 CR3: 000000011e4fd000 CR4: 00000000003506a0 [ 265.231021][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.238831][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.246645][ C1] Call Trace: [ 265.249771][ C1] [ 265.252460][ C1] ? show_regs+0x58/0x60 [ 265.256538][ C1] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.261484][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.266692][ C1] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.271901][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.276855][ C1] ? clockevents_program_event+0x22f/0x300 [ 265.282490][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.288391][ C1] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.293363][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.299241][ C1] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.304881][ C1] [ 265.307659][ C1] [ 265.310441][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.316427][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.322499][ C1] ? kvm_wait+0x147/0x180 [ 265.326671][ C1] ? asm_sysvec_call_function_single+0x1b/0x20 [ 265.332655][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 265.337605][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.343765][ C1] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 265.349679][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.355918][ C1] ? __kmalloc+0x13a/0x270 [ 265.360171][ C1] ? kvmalloc_node+0x1f0/0x4d0 [ 265.364769][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 265.369545][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.374577][ C1] ? __kasan_check_read+0x11/0x20 [ 265.379438][ C1] get_dist_table+0x207/0x2e0 [ 265.383950][ C1] netem_change+0xa05/0x20c0 [ 265.388378][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.393150][ C1] ? do_syscall_64+0x3d/0xb0 [ 265.397578][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.403483][ C1] ? netem_destroy+0xc0/0xc0 [ 265.407908][ C1] ? hrtimer_init+0x30/0x160 [ 265.412331][ C1] netem_init+0x5b/0xb0 [ 265.416327][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 265.421447][ C1] qdisc_create+0x890/0x12e0 [ 265.425873][ C1] ? qdisc_notify+0x370/0x370 [ 265.430385][ C1] ? __nla_parse+0x43/0x60 [ 265.434638][ C1] tc_modify_qdisc+0x8b4/0x14b0 [ 265.439328][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.445053][ C1] ? wait_for_completion_killable_timeout+0x10/0x10 [ 265.451483][ C1] ? ns_capable+0x89/0xe0 [ 265.455643][ C1] ? netlink_net_capable+0x125/0x160 [ 265.460762][ C1] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.466492][ C1] rtnetlink_rcv_msg+0x951/0xc40 [ 265.471266][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.475777][ C1] ? avc_denied+0x13f/0x1b0 [ 265.480119][ C1] ? avc_has_perm_noaudit+0x2dd/0x430 [ 265.485327][ C1] ? avc_denied+0x1b0/0x1b0 [ 265.489668][ C1] ? avc_has_perm+0x16f/0x260 [ 265.494177][ C1] ? ____kasan_kmalloc+0xed/0x110 [ 265.499038][ C1] ? avc_has_perm_noaudit+0x430/0x430 [ 265.504245][ C1] ? do_syscall_64+0x3d/0xb0 [ 265.508674][ C1] netlink_rcv_skb+0x1cf/0x410 [ 265.513273][ C1] ? rtnetlink_bind+0x80/0x80 [ 265.517787][ C1] ? netlink_ack+0xb10/0xb10 [ 265.522214][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 265.527073][ C1] rtnetlink_rcv+0x1c/0x20 [ 265.531326][ C1] netlink_unicast+0x8df/0xac0 [ 265.535933][ C1] ? netlink_detachskb+0x90/0x90 [ 265.540698][ C1] ? security_netlink_send+0x7b/0xa0 [ 265.545821][ C1] netlink_sendmsg+0xa0a/0xd20 [ 265.550422][ C1] ? netlink_getsockopt+0x560/0x560 [ 265.555453][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 265.560920][ C1] ? netlink_getsockopt+0x560/0x560 [ 265.565964][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 265.570581][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 265.575419][ C1] ? import_iovec+0xe5/0x120 [ 265.579842][ C1] ___sys_sendmsg+0x252/0x2e0 [ 265.584355][ C1] ? __sys_sendmsg+0x260/0x260 [ 265.588957][ C1] ? finish_task_switch+0x167/0x7b0 [ 265.593992][ C1] ? __schedule+0xcc6/0x1580 [ 265.598418][ C1] ? __kasan_check_write+0x14/0x20 [ 265.603364][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.608314][ C1] ? __kasan_check_read+0x11/0x20 [ 265.613172][ C1] ? __fdget+0x179/0x240 [ 265.617251][ C1] __se_sys_sendmsg+0x19a/0x260 [ 265.621937][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.626971][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 265.631745][ C1] ? __kasan_check_read+0x11/0x20 [ 265.636612][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 265.641207][ C1] do_syscall_64+0x3d/0xb0 [ 265.645461][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.651275][ C1] RIP: 0033:0x7f2fc05e2fc9 [ 265.655531][ 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 [ 265.674972][ C1] RSP: 002b:00007ffda9c8d038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.683216][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2fc05e2fc9 [ 265.691024][ C1] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000003 [ 265.698838][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556a0f610 [ 265.706647][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.714460][ C1] R13: 0000000000000000 R14: 00007ffda9c8d060 R15: 00007ffda9c8d050 [ 265.722276][ C1]