./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1288771652
<...>
Warning: Permanently added '10.128.1.136' (ED25519) to the list of known hosts.
execve("./syz-executor1288771652", ["./syz-executor1288771652"], 0x7ffc2eba2600 /* 10 vars */) = 0
brk(NULL) = 0x5555568f3000
brk(0x5555568f3d00) = 0x5555568f3d00
arch_prctl(ARCH_SET_FS, 0x5555568f3380) = 0
set_tid_address(0x5555568f3650) = 293
set_robust_list(0x5555568f3660, 24) = 0
rseq(0x5555568f3ca0, 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-executor1288771652", 4096) = 28
getrandom("\xa0\x40\x19\x87\xdb\x79\x8a\x54", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555568f3d00
brk(0x555556914d00) = 0x555556914d00
brk(0x555556915000) = 0x555556915000
mprotect(0x7f578f267000, 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./strace-static-x86_64: Process 294 attached
, child_tidptr=0x5555568f3650) = 294
[pid 294] set_robust_list(0x5555568f3660, 24) = 0
[pid 294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 294] setpgid(0, 0) = 0
[pid 294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 294] write(3, "1000", 4) = 4
[pid 294] close(3) = 0
[pid 294] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3
[pid 294] socketpair(AF_UNIX, SOCK_STREAM, 0, [4, 5]) = 0
[pid 294] ioctl(5, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0
[ 21.552174][ T30] audit: type=1400 audit(1691971364.132:66): avc: denied { execmem } for pid=293 comm="syz-executor128" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 121.571344][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 121.578029][ C0] rcu: 0-....: (1 GPs behind) idle=0a1/1/0x4000000000000000 softirq=1895/1895 fqs=4929 last_accelerate: 92e8/b9fa dyntick_enabled: 1
[ 121.591560][ C0] (t=10000 jiffies g=533 q=2489)
[ 121.596437][ C0] NMI backtrace for cpu 0
[ 121.600587][ C0] CPU: 0 PID: 294 Comm: syz-executor128 Not tainted 5.15.122-syzkaller-00676-g1463976ddc64 #0
[ 121.610779][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[ 121.621016][ C0] Call Trace:
[ 121.624138][ C0]
[ 121.626832][ C0] dump_stack_lvl+0x151/0x1b7
[ 121.631345][ C0] ? io_uring_drop_tctx_refs+0x190/0x190
[ 121.636810][ C0] ? __wake_up_klogd+0xde/0x110
[ 121.641502][ C0] dump_stack+0x15/0x17
[ 121.645492][ C0] nmi_cpu_backtrace+0x2f7/0x300
[ 121.650265][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270
[ 121.656255][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210
[ 121.661543][ C0] ? vprintk+0x86/0x90
[ 121.665470][ C0] ? _raw_spin_lock+0x1b0/0x1b0
[ 121.670134][ C0] ? _printk+0xd1/0x111
[ 121.674144][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 121.680028][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270
[ 121.685845][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 121.691748][ C0] arch_trigger_cpumask_backtrace+0x10/0x20
[ 121.697662][ C0] rcu_dump_cpu_stacks+0x1d8/0x330
[ 121.702599][ C0] rcu_sched_clock_irq+0xf97/0x18e0
[ 121.707630][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340
[ 121.713622][ C0] ? hrtimer_run_queues+0x15f/0x440
[ 121.718658][ C0] update_process_times+0x198/0x200
[ 121.723689][ C0] tick_sched_timer+0x188/0x240
[ 121.728373][ C0] ? tick_setup_sched_timer+0x480/0x480
[ 121.733757][ C0] __hrtimer_run_queues+0x41a/0xad0
[ 121.738803][ C0] ? hrtimer_interrupt+0xaa0/0xaa0
[ 121.743739][ C0] ? clockevents_program_event+0x22f/0x300
[ 121.749381][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0
[ 121.755292][ C0] hrtimer_interrupt+0x40c/0xaa0
[ 121.760068][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0
[ 121.765791][ C0] sysvec_apic_timer_interrupt+0x95/0xc0
[ 121.771260][ C0]
[ 121.774035][ C0]
[ 121.776809][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 121.782622][ C0] RIP: 0010:kvm_wait+0x147/0x180
[ 121.787482][ 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 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
[ 121.807019][ C0] RSP: 0018:ffffc900009a6b00 EFLAGS: 00000246
[ 121.812909][ C0] RAX: 0000000000000003 RBX: 1ffff92000134d64 RCX: ffffffff8154ce3f
[ 121.820722][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff8881154a0cac
[ 121.828543][ C0] RBP: ffffc900009a6bb0 R08: dffffc0000000000 R09: ffffed1022a94196
[ 121.836346][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[ 121.844158][ C0] R13: ffff8881154a0cac R14: 0000000000000003 R15: 1ffff92000134d68
[ 121.851980][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40
[ 121.858045][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 121.864030][ C0] ? kvm_arch_para_hints+0x30/0x30
[ 121.868988][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40
[ 121.875063][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40
[ 121.880971][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310
[ 121.887207][ C0] ? __kmalloc+0x13a/0x270
[ 121.891470][ C0] ? kvmalloc_node+0x1f0/0x4d0
[ 121.896270][ C0] _raw_spin_lock_bh+0x139/0x1b0
[ 121.901044][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 121.906078][ C0] ? __kasan_check_read+0x11/0x20
[ 121.910938][ C0] get_dist_table+0x207/0x2e0
[ 121.915452][ C0] netem_change+0xa05/0x20c0
[ 121.919877][ C0] ? __x64_sys_sendmsg+0x7b/0x90
[ 121.924666][ C0] ? do_syscall_64+0x3d/0xb0
[ 121.929075][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 121.934982][ C0] ? netem_destroy+0xc0/0xc0
[ 121.939494][ C0] ? hrtimer_init+0x30/0x160
[ 121.944029][ C0] netem_init+0x5b/0xb0
[ 121.948016][ C0] ? qdisc_peek_dequeued+0x230/0x230
[ 121.953141][ C0] qdisc_create+0x890/0x12e0
[ 121.957568][ C0] ? qdisc_notify+0x370/0x370
[ 121.962079][ C0] ? __nla_parse+0x43/0x60
[ 121.966331][ C0] tc_modify_qdisc+0x8b4/0x14b0
[ 121.971023][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0
[ 121.976755][ C0] ? wait_for_completion_killable_timeout+0x10/0x10
[ 121.983169][ C0] ? ns_capable+0x89/0xe0
[ 121.987337][ C0] ? netlink_net_capable+0x125/0x160
[ 121.992456][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0
[ 121.998184][ C0] rtnetlink_rcv_msg+0x951/0xc40
[ 122.002962][ C0] ? rtnetlink_bind+0x80/0x80
[ 122.008334][ C0] ? avc_denied+0x13f/0x1b0
[ 122.012712][ C0] ? avc_has_perm_noaudit+0x2dd/0x430
[ 122.017896][ C0] ? avc_denied+0x1b0/0x1b0
[ 122.022239][ C0] ? avc_has_perm+0x16f/0x260
[ 122.026871][ C0] ? ____kasan_kmalloc+0xed/0x110
[ 122.031743][ C0] ? avc_has_perm_noaudit+0x430/0x430
[ 122.036934][ C0] ? do_syscall_64+0x3d/0xb0
[ 122.041361][ C0] netlink_rcv_skb+0x1cf/0x410
[ 122.045962][ C0] ? rtnetlink_bind+0x80/0x80
[ 122.050475][ C0] ? netlink_ack+0xb10/0xb10
[ 122.054902][ C0] ? __netlink_lookup+0x37b/0x3a0
[ 122.059962][ C0] rtnetlink_rcv+0x1c/0x20
[ 122.064188][ C0] netlink_unicast+0x8df/0xac0
[ 122.068789][ C0] ? netlink_detachskb+0x90/0x90
[ 122.073564][ C0] ? security_netlink_send+0x7b/0xa0
[ 122.078682][ C0] netlink_sendmsg+0xa0a/0xd20
[ 122.084123][ C0] ? netlink_getsockopt+0x560/0x560
[ 122.089155][ C0] ? security_socket_sendmsg+0x82/0xb0
[ 122.094448][ C0] ? netlink_getsockopt+0x560/0x560
[ 122.099482][ C0] ____sys_sendmsg+0x59e/0x8f0
[ 122.104084][ C0] ? __sys_sendmsg_sock+0x40/0x40
[ 122.108944][ C0] ? import_iovec+0xe5/0x120
[ 122.113373][ C0] ___sys_sendmsg+0x252/0x2e0
[ 122.117882][ C0] ? __sys_sendmsg+0x260/0x260
[ 122.122581][ C0] ? finish_task_switch+0x167/0x7b0
[ 122.127701][ C0] ? __schedule+0xcc6/0x1580
[ 122.132128][ C0] ? __kasan_check_write+0x14/0x20
[ 122.137071][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0
[ 122.142023][ C0] ? __kasan_check_read+0x11/0x20
[ 122.146881][ C0] ? __fdget+0x179/0x240
[ 122.150959][ C0] __se_sys_sendmsg+0x19a/0x260
[ 122.155647][ C0] ? _raw_spin_unlock_irq+0x4e/0x70
[ 122.160682][ C0] ? __x64_sys_sendmsg+0x90/0x90
[ 122.165542][ C0] __x64_sys_sendmsg+0x7b/0x90
[ 122.170165][ C0] do_syscall_64+0x3d/0xb0
[ 122.174427][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 122.180130][ C0] RIP: 0033:0x7f578f1f3e79
[ 122.184392][ 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
[ 122.203815][ C0] RSP: 002b:00007ffd6acfbbb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 122.212154][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f578f1f3e79
[ 122.219962][ C0] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[ 122.227772][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 122.235581][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 122.243394][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 122.251206][ C0]
[ 265.140743][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 245s! [syz-executor128:294]
[ 265.149168][ C0] Modules linked in:
[ 265.152910][ C0] CPU: 0 PID: 294 Comm: syz-executor128 Not tainted 5.15.122-syzkaller-00676-g1463976ddc64 #0
[ 265.165091][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[ 265.174984][ C0] RIP: 0010:kvm_wait+0x147/0x180
[ 265.179756][ 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 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
[ 265.199802][ C0] RSP: 0018:ffffc900009a6b00 EFLAGS: 00000246
[ 265.205707][ C0] RAX: 0000000000000003 RBX: 1ffff92000134d64 RCX: ffffffff8154ce3f
[ 265.213514][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff8881154a0cac
[ 265.221329][ C0] RBP: ffffc900009a6bb0 R08: dffffc0000000000 R09: ffffed1022a94196
[ 265.229311][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[ 265.237124][ C0] R13: ffff8881154a0cac R14: 0000000000000003 R15: 1ffff92000134d68
[ 265.244944][ C0] FS: 00005555568f3380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 265.253701][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 265.260122][ C0] CR2: 0000000020001e48 CR3: 000000011e685000 CR4: 00000000003506b0
[ 265.267936][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 265.275748][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 265.283558][ C0] Call Trace:
[ 265.286683][ C0]
[ 265.289374][ C0] ? show_regs+0x58/0x60
[ 265.293453][ C0] ? watchdog_timer_fn+0x4b1/0x5f0
[ 265.298398][ C0] ? proc_watchdog_cpumask+0xd0/0xd0
[ 265.303521][ C0] ? __hrtimer_run_queues+0x41a/0xad0
[ 265.308731][ C0] ? hrtimer_interrupt+0xaa0/0xaa0
[ 265.313675][ C0] ? clockevents_program_event+0x22f/0x300
[ 265.319318][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0
[ 265.325231][ C0] ? hrtimer_interrupt+0x40c/0xaa0
[ 265.330170][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0
[ 265.336072][ C0] ? sysvec_apic_timer_interrupt+0x95/0xc0
[ 265.341708][ C0]
[ 265.344659][ C0]
[ 265.347437][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 265.353425][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40
[ 265.359501][ C0] ? kvm_wait+0x147/0x180
[ 265.363681][ C0] ? asm_common_interrupt+0x27/0x40
[ 265.368700][ C0] ? kvm_arch_para_hints+0x30/0x30
[ 265.373652][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40
[ 265.379731][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40
[ 265.385628][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310
[ 265.391897][ C0] ? __kmalloc+0x13a/0x270
[ 265.396130][ C0] ? kvmalloc_node+0x1f0/0x4d0
[ 265.400739][ C0] _raw_spin_lock_bh+0x139/0x1b0
[ 265.405515][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 265.410535][ C0] ? __kasan_check_read+0x11/0x20
[ 265.415400][ C0] get_dist_table+0x207/0x2e0
[ 265.419910][ C0] netem_change+0xa05/0x20c0
[ 265.424343][ C0] ? __x64_sys_sendmsg+0x7b/0x90
[ 265.429196][ C0] ? do_syscall_64+0x3d/0xb0
[ 265.433622][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 265.439530][ C0] ? netem_destroy+0xc0/0xc0
[ 265.443958][ C0] ? hrtimer_init+0x30/0x160
[ 265.448379][ C0] netem_init+0x5b/0xb0
[ 265.453152][ C0] ? qdisc_peek_dequeued+0x230/0x230
[ 265.458271][ C0] qdisc_create+0x890/0x12e0
[ 265.462701][ C0] ? qdisc_notify+0x370/0x370
[ 265.467211][ C0] ? __nla_parse+0x43/0x60
[ 265.471465][ C0] tc_modify_qdisc+0x8b4/0x14b0
[ 265.476152][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0
[ 265.481882][ C0] ? wait_for_completion_killable_timeout+0x10/0x10
[ 265.488316][ C0] ? ns_capable+0x89/0xe0
[ 265.492467][ C0] ? netlink_net_capable+0x125/0x160
[ 265.497592][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0
[ 265.503335][ C0] rtnetlink_rcv_msg+0x951/0xc40
[ 265.508124][ C0] ? rtnetlink_bind+0x80/0x80
[ 265.512609][ C0] ? avc_denied+0x13f/0x1b0
[ 265.516948][ C0] ? avc_has_perm_noaudit+0x2dd/0x430
[ 265.522153][ C0] ? avc_denied+0x1b0/0x1b0
[ 265.526493][ C0] ? avc_has_perm+0x16f/0x260
[ 265.531004][ C0] ? ____kasan_kmalloc+0xed/0x110
[ 265.535869][ C0] ? avc_has_perm_noaudit+0x430/0x430
[ 265.541076][ C0] ? do_syscall_64+0x3d/0xb0
[ 265.545500][ C0] netlink_rcv_skb+0x1cf/0x410
[ 265.550273][ C0] ? rtnetlink_bind+0x80/0x80
[ 265.554794][ C0] ? netlink_ack+0xb10/0xb10
[ 265.559219][ C0] ? __netlink_lookup+0x37b/0x3a0
[ 265.564127][ C0] rtnetlink_rcv+0x1c/0x20
[ 265.568332][ C0] netlink_unicast+0x8df/0xac0
[ 265.573011][ C0] ? netlink_detachskb+0x90/0x90
[ 265.578568][ C0] ? security_netlink_send+0x7b/0xa0
[ 265.583691][ C0] netlink_sendmsg+0xa0a/0xd20
[ 265.588297][ C0] ? netlink_getsockopt+0x560/0x560
[ 265.593323][ C0] ? security_socket_sendmsg+0x82/0xb0
[ 265.598617][ C0] ? netlink_getsockopt+0x560/0x560
[ 265.603998][ C0] ____sys_sendmsg+0x59e/0x8f0
[ 265.608599][ C0] ? __sys_sendmsg_sock+0x40/0x40
[ 265.613459][ C0] ? import_iovec+0xe5/0x120
[ 265.617892][ C0] ___sys_sendmsg+0x252/0x2e0
[ 265.622492][ C0] ? __sys_sendmsg+0x260/0x260
[ 265.627089][ C0] ? finish_task_switch+0x167/0x7b0
[ 265.632130][ C0] ? __schedule+0xcc6/0x1580
[ 265.636557][ C0] ? __kasan_check_write+0x14/0x20
[ 265.641491][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0
[ 265.646441][ C0] ? __kasan_check_read+0x11/0x20
[ 265.651300][ C0] ? __fdget+0x179/0x240
[ 265.655378][ C0] __se_sys_sendmsg+0x19a/0x260
[ 265.660064][ C0] ? _raw_spin_unlock_irq+0x4e/0x70
[ 265.665109][ C0] ? __x64_sys_sendmsg+0x90/0x90
[ 265.669966][ C0] __x64_sys_sendmsg+0x7b/0x90
[ 265.674572][ C0] do_syscall_64+0x3d/0xb0
[ 265.678813][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 265.684543][ C0] RIP: 0033:0x7f578f1f3e79
[ 265.688881][ 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
[ 265.708322][ C0] RSP: 002b:00007ffd6acfbbb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 265.716567][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f578f1f3e79
[ 265.724378][ C0] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[ 265.732190][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 265.740001][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 265.747810][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 265.755629][ C0]