./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor254271991 <...> Warning: Permanently added '10.128.1.168' (ED25519) to the list of known hosts. execve("./syz-executor254271991", ["./syz-executor254271991"], 0x7ffeaa511c80 /* 10 vars */) = 0 brk(NULL) = 0x5555570b3000 brk(0x5555570b3d00) = 0x5555570b3d00 arch_prctl(ARCH_SET_FS, 0x5555570b3380) = 0 set_tid_address(0x5555570b3650) = 294 set_robust_list(0x5555570b3660, 24) = 0 rseq(0x5555570b3ca0, 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-executor254271991", 4096) = 27 getrandom("\xa0\xc0\x4d\xe9\x10\x70\x8c\xbd", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555570b3d00 brk(0x5555570d4d00) = 0x5555570d4d00 brk(0x5555570d5000) = 0x5555570d5000 mprotect(0x7f917d2c9000, 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=0x5555570b3650) = 295 ./strace-static-x86_64: Process 295 attached [pid 295] set_robust_list(0x5555570b3660, 24) = 0 [pid 295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 295] setpgid(0, 0) = 0 [pid 295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 295] write(3, "1000", 4) = 4 [pid 295] close(3) = 0 [pid 295] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [ 22.182673][ T30] audit: type=1400 audit(1715935596.771:66): avc: denied { execmem } for pid=294 comm="syz-executor254" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.202128][ T30] audit: type=1400 audit(1715935596.781:67): avc: denied { map_create } for pid=295 comm="syz-executor254" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 22.221425][ T30] audit: type=1400 audit(1715935596.781:68): avc: denied { map_read map_write } for pid=295 comm="syz-executor254" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 22.241413][ T30] audit: type=1400 audit(1715935596.781:69): avc: denied { prog_load } for pid=295 comm="syz-executor254" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 22.261161][ T30] audit: type=1400 audit(1715935596.781:70): avc: denied { bpf } for pid=295 comm="syz-executor254" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 22.281830][ T30] audit: type=1400 audit(1715935596.781:71): avc: denied { perfmon } for pid=295 comm="syz-executor254" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [pid 295] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000280, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 295] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 295] socketpair(AF_UNIX, SOCK_STREAM, 0, [6, 7]) = 0 [ 22.444159][ T30] audit: type=1400 audit(1715935597.031:72): avc: denied { prog_run } for pid=295 comm="syz-executor254" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 122.458023][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 122.464550][ C0] rcu: 0-...!: (10000 ticks this GP) idle=2af/1/0x4000000000000000 softirq=1906/1906 fqs=0 last_accelerate: 932e/ba59 dyntick_enabled: 1 [ 122.478421][ C0] (t=10000 jiffies g=505 q=1) [ 122.483020][ C0] rcu: rcu_preempt kthread timer wakeup didn't happen for 9999 jiffies! g505 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 122.494911][ C0] rcu: Possible timer handling issue on cpu=0 timer-softirq=405 [ 122.502461][ C0] rcu: rcu_preempt kthread starved for 10000 jiffies! g505 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 122.513486][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 122.523293][ C0] rcu: RCU grace-period kthread stack dump: [ 122.529027][ C0] task:rcu_preempt state:I stack:28328 pid: 14 ppid: 2 flags:0x00004000 [ 122.538055][ C0] Call Trace: [ 122.541172][ C0] [ 122.543959][ C0] __schedule+0xccc/0x1590 [ 122.548218][ C0] ? __sched_text_start+0x8/0x8 [ 122.552892][ C0] ? __kasan_check_write+0x14/0x20 [ 122.557848][ C0] ? __kasan_check_write+0x14/0x20 [ 122.562797][ C0] schedule+0x11f/0x1e0 [ 122.566776][ C0] schedule_timeout+0x18c/0x370 [ 122.571465][ C0] ? __update_idle_core+0x2a0/0x2a0 [ 122.576497][ C0] ? console_conditional_schedule+0x30/0x30 [ 122.582225][ C0] ? update_process_times+0x200/0x200 [ 122.587431][ C0] ? prepare_to_swait_event+0x308/0x320 [ 122.592812][ C0] rcu_gp_fqs_loop+0x2af/0xf80 [ 122.597501][ C0] ? debug_smp_processor_id+0x17/0x20 [ 122.602708][ C0] ? __note_gp_changes+0x4ab/0x920 [ 122.607655][ C0] ? rcu_gp_init+0xc30/0xc30 [ 122.612100][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 122.617114][ C0] ? rcu_gp_init+0x9cf/0xc30 [ 122.621548][ C0] rcu_gp_kthread+0xa4/0x350 [ 122.625982][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 122.630657][ C0] ? rcu_barrier_callback+0x50/0x50 [ 122.635777][ C0] ? __kasan_check_read+0x11/0x20 [ 122.640636][ C0] ? __kthread_parkme+0xb2/0x200 [ 122.645409][ C0] kthread+0x421/0x510 [ 122.649314][ C0] ? rcu_barrier_callback+0x50/0x50 [ 122.654822][ C0] ? kthread_blkcg+0xd0/0xd0 [ 122.659383][ C0] ret_from_fork+0x1f/0x30 [ 122.663639][ C0] [ 122.666510][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 122.672697][ C0] NMI backtrace for cpu 0 [ 122.676842][ C0] CPU: 0 PID: 295 Comm: syz-executor254 Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0 [ 122.686897][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 122.696798][ C0] Call Trace: [ 122.699916][ C0] [ 122.702730][ C0] dump_stack_lvl+0x151/0x1b7 [ 122.707245][ C0] ? io_uring_drop_tctx_refs+0x190/0x190 [ 122.712713][ C0] dump_stack+0x15/0x17 [ 122.716705][ C0] nmi_cpu_backtrace+0x2f7/0x300 [ 122.721484][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 122.727465][ C0] ? panic+0x751/0x751 [ 122.731370][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 122.737271][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 122.743089][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 122.748992][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 122.754719][ C0] rcu_check_gp_kthread_starvation+0x1e3/0x250 [ 122.760707][ C0] ? rcu_check_gp_kthread_expired_fqs_timer+0x18e/0x230 [ 122.767477][ C0] print_cpu_stall+0x310/0x5f0 [ 122.772077][ C0] rcu_sched_clock_irq+0x989/0x12f0 [ 122.777201][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 122.783188][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 122.788223][ C0] update_process_times+0x198/0x200 [ 122.793256][ C0] tick_sched_timer+0x188/0x240 [ 122.797954][ C0] ? tick_setup_sched_timer+0x480/0x480 [ 122.803321][ C0] __hrtimer_run_queues+0x41a/0xad0 [ 122.808359][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 122.813385][ C0] ? clockevents_program_event+0x22f/0x300 [ 122.819051][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 122.824944][ C0] hrtimer_interrupt+0x40c/0xaa0 [ 122.829719][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 122.835445][ C0] sysvec_apic_timer_interrupt+0x95/0xc0 [ 122.840912][ C0] [ 122.843688][ C0] [ 122.846467][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 122.852287][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 122.857054][ 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 5b 03 f3 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 122.876497][ C0] RSP: 0018:ffffc900009876c0 EFLAGS: 00000246 [ 122.882398][ C0] RAX: 0000000000000003 RBX: 1ffff92000130edc RCX: ffffffff8154fa7f [ 122.890208][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88811e7a6128 [ 122.898022][ C0] RBP: ffffc90000987770 R08: dffffc0000000000 R09: ffffed1023cf4c26 [ 122.905830][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 122.913640][ C0] R13: ffff88811e7a6128 R14: 0000000000000003 R15: 1ffff92000130ee0 [ 122.921456][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 122.927530][ C0] ? asm_sysvec_reschedule_ipi+0x1b/0x20 [ 122.932999][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 122.937948][ C0] ? pv_hash+0x86/0x150 [ 122.941937][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 122.947838][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 122.954089][ C0] ? __sys_bpf+0x405/0x760 [ 122.958342][ C0] ? do_syscall_64+0x3d/0xb0 [ 122.962767][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 122.968668][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 122.973441][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 122.978479][ C0] sock_map_delete_elem+0x99/0x130 [ 122.983425][ C0] ? sock_map_unref+0x352/0x4d0 [ 122.988111][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0xe9c [ 122.993492][ C0] bpf_trace_run2+0xec/0x210 [ 122.997918][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 123.002604][ C0] ? sock_map_unref+0x352/0x4d0 [ 123.007289][ C0] ? __kasan_check_write+0x14/0x20 [ 123.012239][ C0] ? sock_map_unref+0x352/0x4d0 [ 123.016925][ C0] __bpf_trace_kfree+0x6f/0x90 [ 123.021524][ C0] ? sock_map_unref+0x352/0x4d0 [ 123.026210][ C0] kfree+0x1f3/0x220 [ 123.029947][ C0] sock_map_unref+0x352/0x4d0 [ 123.034459][ C0] sock_map_delete_elem+0xc1/0x130 [ 123.039403][ C0] ? kvfree+0x35/0x40 [ 123.043242][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0xe9c [ 123.048603][ C0] bpf_trace_run2+0xec/0x210 [ 123.053032][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 123.057719][ C0] ? sock_map_update_elem_sys+0x439/0x660 [ 123.063278][ C0] ? kvfree+0x35/0x40 [ 123.067095][ C0] ? kvfree+0x35/0x40 [ 123.070911][ C0] __bpf_trace_kfree+0x6f/0x90 [ 123.075512][ C0] ? kvfree+0x35/0x40 [ 123.079328][ C0] kfree+0x1f3/0x220 [ 123.083062][ C0] ? bpf_map_update_value+0x164/0x3c0 [ 123.088267][ C0] kvfree+0x35/0x40 [ 123.091911][ C0] map_update_elem+0x653/0x770 [ 123.096514][ C0] __sys_bpf+0x405/0x760 [ 123.100592][ C0] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 123.105801][ C0] ? ptrace_notify+0x24c/0x350 [ 123.110401][ C0] ? __kasan_check_read+0x11/0x20 [ 123.115261][ C0] __x64_sys_bpf+0x7c/0x90 [ 123.119513][ C0] do_syscall_64+0x3d/0xb0 [ 123.123767][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 123.129707][ C0] RIP: 0033:0x7f917d255df9 [ 123.134145][ 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 [ 123.153575][ C0] RSP: 002b:00007ffe932a9508 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 123.161820][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f917d255df9 [ 123.169632][ C0] RDX: 0000000000000020 RSI: 0000000020000500 RDI: 0000000000000002 [ 123.177441][ C0] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 123.185254][ C0] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000 [ 123.193064][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 123.200878][ C0] [ 123.203808][ C0] NMI backtrace for cpu 0 [ 123.207907][ C0] CPU: 0 PID: 295 Comm: syz-executor254 Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0 [ 123.217980][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 123.227868][ C0] Call Trace: [ 123.230995][ C0] [ 123.233682][ C0] dump_stack_lvl+0x151/0x1b7 [ 123.238199][ C0] ? io_uring_drop_tctx_refs+0x190/0x190 [ 123.243664][ C0] ? ttwu_do_wakeup+0x187/0x430 [ 123.248352][ C0] dump_stack+0x15/0x17 [ 123.252352][ C0] nmi_cpu_backtrace+0x2f7/0x300 [ 123.257116][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 123.263104][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 123.268401][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 123.273087][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 123.278991][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 123.284814][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 123.290854][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 123.296574][ C0] rcu_dump_cpu_stacks+0x1d8/0x330 [ 123.301520][ C0] print_cpu_stall+0x315/0x5f0 [ 123.306115][ C0] rcu_sched_clock_irq+0x989/0x12f0 [ 123.311159][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 123.317142][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 123.322175][ C0] update_process_times+0x198/0x200 [ 123.327211][ C0] tick_sched_timer+0x188/0x240 [ 123.331891][ C0] ? tick_setup_sched_timer+0x480/0x480 [ 123.337361][ C0] __hrtimer_run_queues+0x41a/0xad0 [ 123.342396][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 123.347343][ C0] ? clockevents_program_event+0x22f/0x300 [ 123.352983][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 123.358888][ C0] hrtimer_interrupt+0x40c/0xaa0 [ 123.363680][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 123.369402][ C0] sysvec_apic_timer_interrupt+0x95/0xc0 [ 123.374857][ C0] [ 123.377631][ C0] [ 123.380415][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 123.386226][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 123.390999][ 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 5b 03 f3 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 123.410986][ C0] RSP: 0018:ffffc900009876c0 EFLAGS: 00000246 [ 123.416884][ C0] RAX: 0000000000000003 RBX: 1ffff92000130edc RCX: ffffffff8154fa7f [ 123.424696][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88811e7a6128 [ 123.432508][ C0] RBP: ffffc90000987770 R08: dffffc0000000000 R09: ffffed1023cf4c26 [ 123.440318][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 123.448132][ C0] R13: ffff88811e7a6128 R14: 0000000000000003 R15: 1ffff92000130ee0 [ 123.455944][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 123.462019][ C0] ? asm_sysvec_reschedule_ipi+0x1b/0x20 [ 123.467484][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 123.472439][ C0] ? pv_hash+0x86/0x150 [ 123.476426][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 123.482328][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 123.488578][ C0] ? __sys_bpf+0x405/0x760 [ 123.492829][ C0] ? do_syscall_64+0x3d/0xb0 [ 123.497264][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 123.503158][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 123.507931][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 123.512966][ C0] sock_map_delete_elem+0x99/0x130 [ 123.517912][ C0] ? sock_map_unref+0x352/0x4d0 [ 123.522599][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0xe9c [ 123.527986][ C0] bpf_trace_run2+0xec/0x210 [ 123.532405][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 123.537093][ C0] ? sock_map_unref+0x352/0x4d0 [ 123.541781][ C0] ? __kasan_check_write+0x14/0x20 [ 123.546729][ C0] ? sock_map_unref+0x352/0x4d0 [ 123.551412][ C0] __bpf_trace_kfree+0x6f/0x90 [ 123.556012][ C0] ? sock_map_unref+0x352/0x4d0 [ 123.560700][ C0] kfree+0x1f3/0x220 [ 123.564435][ C0] sock_map_unref+0x352/0x4d0 [ 123.568948][ C0] sock_map_delete_elem+0xc1/0x130 [ 123.573905][ C0] ? kvfree+0x35/0x40 [ 123.577712][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0xe9c [ 123.583095][ C0] bpf_trace_run2+0xec/0x210 [ 123.587522][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 123.592207][ C0] ? sock_map_update_elem_sys+0x439/0x660 [ 123.597759][ C0] ? kvfree+0x35/0x40 [ 123.601579][ C0] ? kvfree+0x35/0x40 [ 123.605399][ C0] __bpf_trace_kfree+0x6f/0x90 [ 123.610001][ C0] ? kvfree+0x35/0x40 [ 123.613816][ C0] kfree+0x1f3/0x220 [ 123.617554][ C0] ? bpf_map_update_value+0x164/0x3c0 [ 123.622755][ C0] kvfree+0x35/0x40 [ 123.626403][ C0] map_update_elem+0x653/0x770 [ 123.631002][ C0] __sys_bpf+0x405/0x760 [ 123.635091][ C0] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 123.640290][ C0] ? ptrace_notify+0x24c/0x350 [ 123.644894][ C0] ? __kasan_check_read+0x11/0x20 [ 123.649769][ C0] __x64_sys_bpf+0x7c/0x90 [ 123.654005][ C0] do_syscall_64+0x3d/0xb0 [ 123.658254][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 123.663984][ C0] RIP: 0033:0x7f917d255df9 [ 123.668611][ 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 [ 123.688047][ C0] RSP: 002b:00007ffe932a9508 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 123.696290][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f917d255df9 [ 123.704104][ C0] RDX: 0000000000000020 RSI: 0000000020000500 RDI: 0000000000000002 [ 123.711913][ C0] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 123.719726][ C0] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000 [ 123.727537][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 123.735355][ C0] [ 155.041607][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 144s! [klogd:89] [ 155.049192][ C1] Modules linked in: [ 155.052910][ C1] CPU: 1 PID: 89 Comm: klogd Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0 [ 155.062022][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 155.071932][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 155.076690][ 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 5b 03 f3 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 155.096740][ C1] RSP: 0018:ffffc900009f76c0 EFLAGS: 00000246 [ 155.102641][ C1] RAX: 0000000000000001 RBX: 1ffff9200013eedc RCX: 1ffffffff0d1aa9c [ 155.110452][ C1] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8881f7137ed4 [ 155.118267][ C1] RBP: ffffc900009f7770 R08: dffffc0000000000 R09: ffffed103ee26fdb [ 155.126074][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 155.133888][ C1] R13: ffff8881f7137ed4 R14: 0000000000000001 R15: 1ffff9200013eee0 [ 155.141718][ C1] FS: 00007f13ff6a2380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 155.150531][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 155.156886][ C1] CR2: 0000000001e66248 CR3: 000000010b90d000 CR4: 00000000003506a0 [ 155.164702][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 155.172509][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 155.180883][ C1] Call Trace: [ 155.184014][ C1] [ 155.186710][ C1] ? show_regs+0x58/0x60 [ 155.190779][ C1] ? watchdog_timer_fn+0x4b1/0x5f0 [ 155.195725][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 155.200850][ C1] ? __hrtimer_run_queues+0x41a/0xad0 [ 155.206062][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 155.210997][ C1] ? clockevents_program_event+0x22f/0x300 [ 155.216639][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 155.222542][ C1] ? hrtimer_interrupt+0x40c/0xaa0 [ 155.227491][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 155.233391][ C1] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 155.239032][ C1] [ 155.241834][ C1] [ 155.244587][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 155.250601][ C1] ? kvm_wait+0x147/0x180 [ 155.254741][ C1] ? asm_common_interrupt+0x27/0x40 [ 155.259778][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 155.264723][ C1] __pv_queued_spin_lock_slowpath+0x41b/0xc40 [ 155.270635][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 155.276871][ C1] ? _prb_read_valid+0xb43/0xbd0 [ 155.281648][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 155.286419][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 155.291452][ C1] ? prb_read_valid+0xf0/0xf0 [ 155.295970][ C1] sock_map_delete_elem+0x99/0x130 [ 155.300915][ C1] ? syslog_print+0x8fe/0x990 [ 155.305426][ C1] bpf_prog_2c29ac5cdc6b1842+0x3a/0xe9c [ 155.310810][ C1] bpf_trace_run2+0xec/0x210 [ 155.315237][ C1] ? __kasan_check_write+0x14/0x20 [ 155.320182][ C1] ? bpf_trace_run1+0x1c0/0x1c0 [ 155.324869][ C1] ? syslog_print+0x8fe/0x990 [ 155.329392][ C1] ? syslog_print+0x8fe/0x990 [ 155.333980][ C1] __bpf_trace_kfree+0x6f/0x90 [ 155.338669][ C1] ? syslog_print+0x8fe/0x990 [ 155.343180][ C1] kfree+0x1f3/0x220 [ 155.346914][ C1] ? __kasan_check_read+0x11/0x20 [ 155.351792][ C1] syslog_print+0x8fe/0x990 [ 155.356123][ C1] ? do_syslog+0x830/0x830 [ 155.360372][ C1] ? avc_has_perm_noaudit+0x430/0x430 [ 155.365588][ C1] ? cap_capable+0x1d2/0x270 [ 155.370000][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 155.375300][ C1] ? io_schedule+0x120/0x120 [ 155.379970][ C1] do_syslog+0x340/0x830 [ 155.384046][ C1] ? devkmsg_release+0x130/0x130 [ 155.388857][ C1] ? debug_smp_processor_id+0x17/0x20 [ 155.394019][ C1] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 155.399924][ C1] __x64_sys_syslog+0x7c/0x90 [ 155.404442][ C1] do_syscall_64+0x3d/0xb0 [ 155.408684][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 155.414427][ C1] RIP: 0033:0x7f13ff803fa7 [ 155.418672][ C1] Code: 73 01 c3 48 8b 0d 81 ce 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 51 ce 0c 00 f7 d8 64 89 01 48 [ 155.438107][ C1] RSP: 002b:00007ffca9830128 EFLAGS: 00000206 ORIG_RAX: 0000000000000067 [ 155.446374][ C1] RAX: ffffffffffffffda RBX: 00007f13ff9a24a0 RCX: 00007f13ff803fa7 [ 155.454163][ C1] RDX: 00000000000003ff RSI: 00007f13ff9a24a0 RDI: 0000000000000002 [ 155.461975][ C1] RBP: 0000000000000000 R08: 0000000000000005 R09: 180f0ef9f63c33c5 [ 155.469786][ C1] R10: 0000000000004000 R11: 0000000000000206 R12: 00007f13ff9a24a0 [ 155.477597][ C1] R13: 00007f13ff992212 R14: 00007f13ff9a2592 R15: 00007f13ff9a2592 [ 155.485413][ C1]