./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2063525143
<...>
Warning: Permanently added '10.128.0.98' (ECDSA) to the list of known hosts.
execve("./syz-executor2063525143", ["./syz-executor2063525143"], 0x7fffc88b3400 /* 10 vars */) = 0
brk(NULL) = 0x55555728e000
brk(0x55555728ec40) = 0x55555728ec40
arch_prctl(ARCH_SET_FS, 0x55555728e300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor2063525143", 4096) = 28
brk(0x5555572afc40) = 0x5555572afc40
brk(0x5555572b0000) = 0x5555572b0000
mprotect(0x7f46c7d2c000, 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=0x55555728e5d0) = 293
./strace-static-x86_64: Process 293 attached
[pid 293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 293] setpgid(0, 0) = 0
[pid 293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 293] write(3, "1000", 4) = 4
[pid 293] close(3) = 0
[pid 293] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3
[pid 293] socketpair(AF_UNIX, SOCK_STREAM, 0, [4, 5]) = 0
[pid 293] ioctl(5, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0
[ 20.325253][ T30] audit: type=1400 audit(1688721195.693:66): avc: denied { execmem } for pid=292 comm="syz-executor206" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 120.327149][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 120.333568][ C0] rcu: 0-...!: (10000 ticks this GP) idle=613/1/0x4000000000000000 softirq=1713/1713 fqs=0 last_accelerate: 9272/b983 dyntick_enabled: 1
[ 120.348055][ C0] (t=10000 jiffies g=437 q=2276)
[ 120.352909][ C0] rcu: rcu_preempt kthread timer wakeup didn't happen for 9999 jiffies! g437 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
[ 120.366279][ C0] rcu: Possible timer handling issue on cpu=0 timer-softirq=403
[ 120.373828][ C0] rcu: rcu_preempt kthread starved for 10000 jiffies! g437 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
[ 120.384849][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 120.394657][ C0] rcu: RCU grace-period kthread stack dump:
[ 120.400386][ C0] task:rcu_preempt state:I stack:28328 pid: 14 ppid: 2 flags:0x00004000
[ 120.409412][ C0] Call Trace:
[ 120.412630][ C0]
[ 120.415408][ C0] __schedule+0xcbe/0x1580
[ 120.419664][ C0] ? __sched_text_start+0x8/0x8
[ 120.424346][ C0] ? __kasan_check_write+0x14/0x20
[ 120.429298][ C0] schedule+0x11f/0x1e0
[ 120.433311][ C0] schedule_timeout+0x18c/0x370
[ 120.437974][ C0] ? _raw_spin_unlock_irq+0x4e/0x70
[ 120.443025][ C0] ? console_conditional_schedule+0x30/0x30
[ 120.448737][ C0] ? update_process_times+0x200/0x200
[ 120.453944][ C0] ? prepare_to_swait_event+0x308/0x320
[ 120.459333][ C0] rcu_gp_fqs_loop+0x29f/0xe60
[ 120.463935][ C0] ? debug_smp_processor_id+0x17/0x20
[ 120.469135][ C0] ? __note_gp_changes+0x4ab/0x920
[ 120.474090][ C0] ? rcu_gp_init+0xc20/0xc20
[ 120.478507][ C0] ? _raw_spin_unlock_irq+0x4e/0x70
[ 120.483542][ C0] ? rcu_gp_init+0x9c5/0xc20
[ 120.487991][ C0] rcu_gp_kthread+0xa4/0x350
[ 120.492394][ C0] ? _raw_spin_lock+0x1b0/0x1b0
[ 120.497080][ C0] ? rcu_barrier_callback+0x50/0x50
[ 120.502217][ C0] ? __kasan_check_read+0x11/0x20
[ 120.507070][ C0] ? __kthread_parkme+0xb2/0x200
[ 120.511843][ C0] kthread+0x421/0x510
[ 120.516011][ C0] ? rcu_barrier_callback+0x50/0x50
[ 120.521044][ C0] ? kthread_blkcg+0xd0/0xd0
[ 120.525471][ C0] ret_from_fork+0x1f/0x30
[ 120.530245][ C0]
[ 120.533105][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 120.539273][ C0] NMI backtrace for cpu 0
[ 120.543436][ C0] CPU: 0 PID: 293 Comm: syz-executor206 Not tainted 5.15.119-syzkaller-01849-g879959450ec7 #0
[ 120.553509][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
[ 120.563402][ C0] Call Trace:
[ 120.566537][ C0]
[ 120.569212][ C0] dump_stack_lvl+0x151/0x1b7
[ 120.573728][ C0] ? io_uring_drop_tctx_refs+0x190/0x190
[ 120.579256][ C0] dump_stack+0x15/0x17
[ 120.583188][ C0] nmi_cpu_backtrace+0x2f7/0x300
[ 120.587965][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270
[ 120.593950][ C0] ? panic+0x751/0x751
[ 120.597852][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 120.603757][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270
[ 120.609572][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 120.615471][ C0] arch_trigger_cpumask_backtrace+0x10/0x20
[ 120.621203][ C0] rcu_check_gp_kthread_starvation+0x1e3/0x250
[ 120.627189][ C0] ? rcu_check_gp_kthread_expired_fqs_timer+0x18e/0x230
[ 120.633961][ C0] rcu_sched_clock_irq+0xf92/0x18e0
[ 120.638993][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340
[ 120.644985][ C0] ? hrtimer_run_queues+0x15f/0x440
[ 120.650016][ C0] update_process_times+0x198/0x200
[ 120.655051][ C0] tick_sched_timer+0x188/0x240
[ 120.659737][ C0] ? tick_setup_sched_timer+0x480/0x480
[ 120.665118][ C0] __hrtimer_run_queues+0x41a/0xad0
[ 120.670153][ C0] ? hrtimer_interrupt+0xaa0/0xaa0
[ 120.675098][ C0] ? clockevents_program_event+0x22f/0x300
[ 120.681101][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0
[ 120.687013][ C0] hrtimer_interrupt+0x40c/0xaa0
[ 120.692297][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0
[ 120.698042][ C0] sysvec_apic_timer_interrupt+0x95/0xc0
[ 120.703494][ C0]
[ 120.706271][ C0]
[ 120.709042][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 120.714860][ C0] RIP: 0010:kvm_wait+0x147/0x180
[ 120.719634][ 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 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
[ 120.739770][ C0] RSP: 0018:ffffc900009c6b00 EFLAGS: 00000246
[ 120.745676][ C0] RAX: 0000000000000003 RBX: 1ffff92000138d64 RCX: ffffffff8154cacf
[ 120.753480][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888114231cac
[ 120.761298][ C0] RBP: ffffc900009c6bb0 R08: dffffc0000000000 R09: ffffed1022846396
[ 120.769141][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[ 120.776912][ C0] R13: ffff888114231cac R14: 0000000000000003 R15: 1ffff92000138d68
[ 120.784729][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40
[ 120.790890][ C0] ? asm_common_interrupt+0x27/0x40
[ 120.795928][ C0] ? kvm_arch_para_hints+0x30/0x30
[ 120.800877][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40
[ 120.806970][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40
[ 120.812847][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310
[ 120.819096][ C0] _raw_spin_lock_bh+0x139/0x1b0
[ 120.823870][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 120.828904][ C0] ? __kasan_check_read+0x11/0x20
[ 120.833763][ C0] get_dist_table+0x207/0x2e0
[ 120.838275][ C0] netem_change+0xa05/0x20c0
[ 120.842702][ C0] ? __x64_sys_sendmsg+0x7b/0x90
[ 120.847475][ C0] ? do_syscall_64+0x3d/0xb0
[ 120.851900][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 120.857805][ C0] ? netem_destroy+0xc0/0xc0
[ 120.862231][ C0] ? hrtimer_init+0x30/0x160
[ 120.866655][ C0] netem_init+0x5b/0xb0
[ 120.870736][ C0] ? qdisc_peek_dequeued+0x230/0x230
[ 120.875857][ C0] qdisc_create+0x890/0x12e0
[ 120.880283][ C0] ? qdisc_notify+0x370/0x370
[ 120.884797][ C0] ? __nla_parse+0x43/0x60
[ 120.889050][ C0] tc_modify_qdisc+0x8b4/0x14b0
[ 120.893739][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0
[ 120.899464][ C0] ? wait_for_completion_killable_timeout+0x10/0x10
[ 120.905887][ C0] ? ns_capable+0x89/0xe0
[ 120.910061][ C0] ? netlink_net_capable+0x125/0x160
[ 120.915173][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0
[ 120.920905][ C0] rtnetlink_rcv_msg+0x951/0xc40
[ 120.925675][ C0] ? rtnetlink_bind+0x80/0x80
[ 120.930191][ C0] ? avc_denied+0x13f/0x1b0
[ 120.934527][ C0] ? avc_has_perm_noaudit+0x2dd/0x430
[ 120.939735][ C0] ? avc_denied+0x1b0/0x1b0
[ 120.944077][ C0] ? avc_has_perm+0x16f/0x260
[ 120.948587][ C0] ? ____kasan_kmalloc+0xed/0x110
[ 120.953448][ C0] ? avc_has_perm_noaudit+0x430/0x430
[ 120.958654][ C0] ? do_syscall_64+0x3d/0xb0
[ 120.963082][ C0] netlink_rcv_skb+0x1cf/0x410
[ 120.967774][ C0] ? rtnetlink_bind+0x80/0x80
[ 120.972280][ C0] ? netlink_ack+0xb10/0xb10
[ 120.976707][ C0] ? __netlink_lookup+0x37b/0x3a0
[ 120.981571][ C0] rtnetlink_rcv+0x1c/0x20
[ 120.985822][ C0] netlink_unicast+0x8df/0xac0
[ 120.990423][ C0] ? netlink_detachskb+0x90/0x90
[ 120.995200][ C0] ? security_netlink_send+0x7b/0xa0
[ 121.000318][ C0] netlink_sendmsg+0xa0a/0xd20
[ 121.004918][ C0] ? netlink_getsockopt+0x560/0x560
[ 121.009957][ C0] ? security_socket_sendmsg+0x82/0xb0
[ 121.015245][ C0] ? netlink_getsockopt+0x560/0x560
[ 121.020278][ C0] ____sys_sendmsg+0x59e/0x8f0
[ 121.024880][ C0] ? __sys_sendmsg_sock+0x40/0x40
[ 121.029739][ C0] ? import_iovec+0xe5/0x120
[ 121.034165][ C0] ___sys_sendmsg+0x252/0x2e0
[ 121.038678][ C0] ? __sys_sendmsg+0x260/0x260
[ 121.043276][ C0] ? finish_task_switch+0x167/0x7b0
[ 121.048314][ C0] ? __schedule+0xcc6/0x1580
[ 121.052739][ C0] ? __kasan_check_write+0x14/0x20
[ 121.057688][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0
[ 121.062635][ C0] ? __kasan_check_read+0x11/0x20
[ 121.067492][ C0] ? __fdget+0x179/0x240
[ 121.071571][ C0] __se_sys_sendmsg+0x19a/0x260
[ 121.076257][ C0] ? _raw_spin_unlock_irq+0x4e/0x70
[ 121.081300][ C0] ? __x64_sys_sendmsg+0x90/0x90
[ 121.086072][ C0] ? __kasan_check_read+0x11/0x20
[ 121.090940][ C0] __x64_sys_sendmsg+0x7b/0x90
[ 121.095531][ C0] do_syscall_64+0x3d/0xb0
[ 121.099781][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 121.105514][ C0] RIP: 0033:0x7f46c7cbef09
[ 121.109767][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 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 c0 ff ff ff f7 d8 64 89 01 48
[ 121.129297][ C0] RSP: 002b:00007ffd8fe08bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 121.137533][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f46c7cbef09
[ 121.145343][ C0] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[ 121.153153][ C0] RBP: 0000000000000000 R08: 00007ffd8fe08d98 R09: 00007ffd8fe08d98
[ 121.160968][ C0] R10: 00007ffd8fe08d98 R11: 0000000000000246 R12: 00007f46c7c82790
[ 121.168779][ C0] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 121.176602][ C0]
[ 121.179472][ C0] NMI backtrace for cpu 0
[ 121.183620][ C0] CPU: 0 PID: 293 Comm: syz-executor206 Not tainted 5.15.119-syzkaller-01849-g879959450ec7 #0
[ 121.193773][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
[ 121.203667][ C0] Call Trace:
[ 121.206793][ C0]
[ 121.209485][ C0] dump_stack_lvl+0x151/0x1b7
[ 121.214518][ C0] ? io_uring_drop_tctx_refs+0x190/0x190
[ 121.219987][ C0] ? ttwu_do_wakeup+0x187/0x430
[ 121.224674][ C0] dump_stack+0x15/0x17
[ 121.228665][ C0] nmi_cpu_backtrace+0x2f7/0x300
[ 121.233436][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270
[ 121.239429][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210
[ 121.244719][ C0] ? __kasan_check_write+0x14/0x20
[ 121.249667][ C0] ? _raw_spin_lock+0x1b0/0x1b0
[ 121.254354][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 121.260254][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270
[ 121.266071][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 121.271974][ C0] arch_trigger_cpumask_backtrace+0x10/0x20
[ 121.277700][ C0] rcu_dump_cpu_stacks+0x1d8/0x330
[ 121.282648][ C0] rcu_sched_clock_irq+0xf97/0x18e0
[ 121.287691][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340
[ 121.293670][ C0] ? hrtimer_run_queues+0x15f/0x440
[ 121.298705][ C0] update_process_times+0x198/0x200
[ 121.303737][ C0] tick_sched_timer+0x188/0x240
[ 121.308425][ C0] ? tick_setup_sched_timer+0x480/0x480
[ 121.313808][ C0] __hrtimer_run_queues+0x41a/0xad0
[ 121.318842][ C0] ? hrtimer_interrupt+0xaa0/0xaa0
[ 121.323785][ C0] ? clockevents_program_event+0x22f/0x300
[ 121.329427][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0
[ 121.335332][ C0] hrtimer_interrupt+0x40c/0xaa0
[ 121.340111][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0
[ 121.345833][ C0] sysvec_apic_timer_interrupt+0x95/0xc0
[ 121.351302][ C0]
[ 121.354078][ C0]
[ 121.356857][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 121.362671][ C0] RIP: 0010:kvm_wait+0x147/0x180
[ 121.367444][ 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 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
[ 121.386886][ C0] RSP: 0018:ffffc900009c6b00 EFLAGS: 00000246
[ 121.392787][ C0] RAX: 0000000000000003 RBX: 1ffff92000138d64 RCX: ffffffff8154cacf
[ 121.400600][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888114231cac
[ 121.408408][ C0] RBP: ffffc900009c6bb0 R08: dffffc0000000000 R09: ffffed1022846396
[ 121.416222][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[ 121.424031][ C0] R13: ffff888114231cac R14: 0000000000000003 R15: 1ffff92000138d68
[ 121.431847][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40
[ 121.437920][ C0] ? asm_common_interrupt+0x27/0x40
[ 121.442953][ C0] ? kvm_arch_para_hints+0x30/0x30
[ 121.447909][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40
[ 121.454066][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40
[ 121.459964][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310
[ 121.466217][ C0] _raw_spin_lock_bh+0x139/0x1b0
[ 121.470988][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 121.476022][ C0] ? __kasan_check_read+0x11/0x20
[ 121.480883][ C0] get_dist_table+0x207/0x2e0
[ 121.485418][ C0] netem_change+0xa05/0x20c0
[ 121.489827][ C0] ? __x64_sys_sendmsg+0x7b/0x90
[ 121.494593][ C0] ? do_syscall_64+0x3d/0xb0
[ 121.499022][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 121.504923][ C0] ? netem_destroy+0xc0/0xc0
[ 121.509349][ C0] ? hrtimer_init+0x30/0x160
[ 121.513776][ C0] netem_init+0x5b/0xb0
[ 121.517768][ C0] ? qdisc_peek_dequeued+0x230/0x230
[ 121.522890][ C0] qdisc_create+0x890/0x12e0
[ 121.527315][ C0] ? qdisc_notify+0x370/0x370
[ 121.531828][ C0] ? __nla_parse+0x43/0x60
[ 121.536082][ C0] tc_modify_qdisc+0x8b4/0x14b0
[ 121.540767][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0
[ 121.546494][ C0] ? wait_for_completion_killable_timeout+0x10/0x10
[ 121.553005][ C0] ? ns_capable+0x89/0xe0
[ 121.557171][ C0] ? netlink_net_capable+0x125/0x160
[ 121.562291][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0
[ 121.568021][ C0] rtnetlink_rcv_msg+0x951/0xc40
[ 121.572794][ C0] ? rtnetlink_bind+0x80/0x80
[ 121.577307][ C0] ? avc_denied+0x13f/0x1b0
[ 121.581648][ C0] ? avc_has_perm_noaudit+0x2dd/0x430
[ 121.586854][ C0] ? avc_denied+0x1b0/0x1b0
[ 121.591194][ C0] ? avc_has_perm+0x16f/0x260
[ 121.595705][ C0] ? ____kasan_kmalloc+0xed/0x110
[ 121.600566][ C0] ? avc_has_perm_noaudit+0x430/0x430
[ 121.605773][ C0] ? do_syscall_64+0x3d/0xb0
[ 121.610202][ C0] netlink_rcv_skb+0x1cf/0x410
[ 121.614981][ C0] ? rtnetlink_bind+0x80/0x80
[ 121.619494][ C0] ? netlink_ack+0xb10/0xb10
[ 121.623943][ C0] ? __netlink_lookup+0x37b/0x3a0
[ 121.628781][ C0] rtnetlink_rcv+0x1c/0x20
[ 121.633035][ C0] netlink_unicast+0x8df/0xac0
[ 121.637633][ C0] ? netlink_detachskb+0x90/0x90
[ 121.642499][ C0] ? security_netlink_send+0x7b/0xa0
[ 121.647795][ C0] netlink_sendmsg+0xa0a/0xd20
[ 121.652399][ C0] ? netlink_getsockopt+0x560/0x560
[ 121.657510][ C0] ? security_socket_sendmsg+0x82/0xb0
[ 121.662802][ C0] ? netlink_getsockopt+0x560/0x560
[ 121.667837][ C0] ____sys_sendmsg+0x59e/0x8f0
[ 121.672438][ C0] ? __sys_sendmsg_sock+0x40/0x40
[ 121.677298][ C0] ? import_iovec+0xe5/0x120
[ 121.681723][ C0] ___sys_sendmsg+0x252/0x2e0
[ 121.686239][ C0] ? __sys_sendmsg+0x260/0x260
[ 121.690838][ C0] ? finish_task_switch+0x167/0x7b0
[ 121.695874][ C0] ? __schedule+0xcc6/0x1580
[ 121.700297][ C0] ? __kasan_check_write+0x14/0x20
[ 121.705255][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0
[ 121.710196][ C0] ? __kasan_check_read+0x11/0x20
[ 121.715051][ C0] ? __fdget+0x179/0x240
[ 121.719129][ C0] __se_sys_sendmsg+0x19a/0x260
[ 121.723818][ C0] ? _raw_spin_unlock_irq+0x4e/0x70
[ 121.728854][ C0] ? __x64_sys_sendmsg+0x90/0x90
[ 121.733629][ C0] ? __kasan_check_read+0x11/0x20
[ 121.738486][ C0] __x64_sys_sendmsg+0x7b/0x90
[ 121.743086][ C0] do_syscall_64+0x3d/0xb0
[ 121.747337][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 121.753075][ C0] RIP: 0033:0x7f46c7cbef09
[ 121.757321][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 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 c0 ff ff ff f7 d8 64 89 01 48
[ 121.776759][ C0] RSP: 002b:00007ffd8fe08bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 121.785004][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f46c7cbef09
[ 121.792815][ C0] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[ 121.800627][ C0] RBP: 0000000000000000 R08: 00007ffd8fe08d98 R09: 00007ffd8fe08d98
[ 121.808440][ C0] R10: 00007ffd8fe08d98 R11: 0000000000000246 R12: 00007f46c7c82790
[ 121.816251][ C0] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 121.824064][ C0]
[ 265.043870][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [syz-executor206:293]
[ 265.052290][ C0] Modules linked in:
[ 265.056050][ C0] CPU: 0 PID: 293 Comm: syz-executor206 Not tainted 5.15.119-syzkaller-01849-g879959450ec7 #0
[ 265.066087][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
[ 265.075981][ C0] RIP: 0010:kvm_wait+0x147/0x180
[ 265.080756][ 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 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
[ 265.100809][ C0] RSP: 0018:ffffc900009c6b00 EFLAGS: 00000246
[ 265.106709][ C0] RAX: 0000000000000003 RBX: 1ffff92000138d64 RCX: ffffffff8154cacf
[ 265.114603][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888114231cac
[ 265.122415][ C0] RBP: ffffc900009c6bb0 R08: dffffc0000000000 R09: ffffed1022846396
[ 265.130234][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[ 265.138038][ C0] R13: ffff888114231cac R14: 0000000000000003 R15: 1ffff92000138d68
[ 265.145850][ C0] FS: 000055555728e300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 265.154613][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 265.161035][ C0] CR2: 0000000000458e30 CR3: 000000011b596000 CR4: 00000000003506b0
[ 265.168850][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 265.176658][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 265.184469][ C0] Call Trace:
[ 265.187604][ C0]
[ 265.190286][ C0] ? show_regs+0x58/0x60
[ 265.194364][ C0] ? watchdog_timer_fn+0x4b1/0x5f0
[ 265.199311][ C0] ? proc_watchdog_cpumask+0xd0/0xd0
[ 265.204433][ C0] ? __hrtimer_run_queues+0x41a/0xad0
[ 265.209639][ C0] ? hrtimer_interrupt+0xaa0/0xaa0
[ 265.214586][ C0] ? clockevents_program_event+0x22f/0x300
[ 265.220229][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0
[ 265.226130][ C0] ? hrtimer_interrupt+0x40c/0xaa0
[ 265.231087][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0
[ 265.237068][ C0] ? sysvec_apic_timer_interrupt+0x95/0xc0
[ 265.242709][ C0]
[ 265.245485][ C0]
[ 265.248261][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 265.254423][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40
[ 265.260500][ C0] ? kvm_wait+0x147/0x180
[ 265.264664][ C0] ? asm_common_interrupt+0x27/0x40
[ 265.269699][ C0] ? kvm_arch_para_hints+0x30/0x30
[ 265.274736][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40
[ 265.280808][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40
[ 265.286712][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310
[ 265.292961][ C0] _raw_spin_lock_bh+0x139/0x1b0
[ 265.297733][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 265.302769][ C0] ? __kasan_check_read+0x11/0x20
[ 265.307632][ C0] get_dist_table+0x207/0x2e0
[ 265.312663][ C0] netem_change+0xa05/0x20c0
[ 265.317086][ C0] ? __x64_sys_sendmsg+0x7b/0x90
[ 265.321859][ C0] ? do_syscall_64+0x3d/0xb0
[ 265.326286][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 265.332192][ C0] ? netem_destroy+0xc0/0xc0
[ 265.337053][ C0] ? hrtimer_init+0x30/0x160
[ 265.341477][ C0] netem_init+0x5b/0xb0
[ 265.345466][ C0] ? qdisc_peek_dequeued+0x230/0x230
[ 265.350588][ C0] qdisc_create+0x890/0x12e0
[ 265.355017][ C0] ? qdisc_notify+0x370/0x370
[ 265.359614][ C0] ? __nla_parse+0x43/0x60
[ 265.363869][ C0] tc_modify_qdisc+0x8b4/0x14b0
[ 265.368554][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0
[ 265.374283][ C0] ? wait_for_completion_killable_timeout+0x10/0x10
[ 265.380705][ C0] ? ns_capable+0x89/0xe0
[ 265.384873][ C0] ? netlink_net_capable+0x125/0x160
[ 265.389992][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0
[ 265.395720][ C0] rtnetlink_rcv_msg+0x951/0xc40
[ 265.401017][ C0] ? rtnetlink_bind+0x80/0x80
[ 265.405527][ C0] ? avc_denied+0x13f/0x1b0
[ 265.409869][ C0] ? avc_has_perm_noaudit+0x2dd/0x430
[ 265.415076][ C0] ? avc_denied+0x1b0/0x1b0
[ 265.419420][ C0] ? avc_has_perm+0x16f/0x260
[ 265.423927][ C0] ? ____kasan_kmalloc+0xed/0x110
[ 265.428788][ C0] ? avc_has_perm_noaudit+0x430/0x430
[ 265.433996][ C0] ? do_syscall_64+0x3d/0xb0
[ 265.438424][ C0] netlink_rcv_skb+0x1cf/0x410
[ 265.443111][ C0] ? rtnetlink_bind+0x80/0x80
[ 265.447621][ C0] ? netlink_ack+0xb10/0xb10
[ 265.452047][ C0] ? __netlink_lookup+0x37b/0x3a0
[ 265.456909][ C0] rtnetlink_rcv+0x1c/0x20
[ 265.461163][ C0] netlink_unicast+0x8df/0xac0
[ 265.465761][ C0] ? netlink_detachskb+0x90/0x90
[ 265.470533][ C0] ? security_netlink_send+0x7b/0xa0
[ 265.475654][ C0] netlink_sendmsg+0xa0a/0xd20
[ 265.480256][ C0] ? netlink_getsockopt+0x560/0x560
[ 265.485289][ C0] ? security_socket_sendmsg+0x82/0xb0
[ 265.490581][ C0] ? netlink_getsockopt+0x560/0x560
[ 265.495617][ C0] ____sys_sendmsg+0x59e/0x8f0
[ 265.500219][ C0] ? __sys_sendmsg_sock+0x40/0x40
[ 265.505077][ C0] ? import_iovec+0xe5/0x120
[ 265.509505][ C0] ___sys_sendmsg+0x252/0x2e0
[ 265.514021][ C0] ? __sys_sendmsg+0x260/0x260
[ 265.518618][ C0] ? finish_task_switch+0x167/0x7b0
[ 265.523653][ C0] ? __schedule+0xcc6/0x1580
[ 265.528077][ C0] ? __kasan_check_write+0x14/0x20
[ 265.533025][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0
[ 265.537975][ C0] ? __kasan_check_read+0x11/0x20
[ 265.543009][ C0] ? __fdget+0x179/0x240
[ 265.547089][ C0] __se_sys_sendmsg+0x19a/0x260
[ 265.551770][ C0] ? _raw_spin_unlock_irq+0x4e/0x70
[ 265.556807][ C0] ? __x64_sys_sendmsg+0x90/0x90
[ 265.561580][ C0] ? __kasan_check_read+0x11/0x20
[ 265.566439][ C0] __x64_sys_sendmsg+0x7b/0x90
[ 265.571833][ C0] do_syscall_64+0x3d/0xb0
[ 265.576074][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 265.581804][ C0] RIP: 0033:0x7f46c7cbef09
[ 265.586058][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 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 c0 ff ff ff f7 d8 64 89 01 48
[ 265.605495][ C0] RSP: 002b:00007ffd8fe08bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 265.613743][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f46c7cbef09
[ 265.621552][ C0] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[ 265.629364][ C0] RBP: 0000000000000000 R08: 00007ffd8fe08d98 R09: 00007ffd8fe08d98
[ 265.637174][ C0] R10: 00007ffd8fe08d98 R11: 0000000000000246 R12: 00007f46c7c82790
[ 265.644985][ C0] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 265.652802][ C0]