./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3180747018 <...> [ 11.587986][ T30] audit: type=1400 audit(1716088586.954:64): avc: denied { rlimitinh } for pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 11.591486][ T30] audit: type=1400 audit(1716088586.954:65): avc: denied { siginh } for pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.013803][ T223] sshd (223) used greatest stack depth: 22288 bytes left Warning: Permanently added '10.128.10.33' (ED25519) to the list of known hosts. execve("./syz-executor3180747018", ["./syz-executor3180747018"], 0x7fff014c6f80 /* 10 vars */) = 0 brk(NULL) = 0x55555616f000 brk(0x55555616fd00) = 0x55555616fd00 arch_prctl(ARCH_SET_FS, 0x55555616f380) = 0 set_tid_address(0x55555616f650) = 291 set_robust_list(0x55555616f660, 24) = 0 rseq(0x55555616fca0, 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-executor3180747018", 4096) = 28 getrandom("\x49\x2e\xa7\xc7\x0e\x18\x7b\x93", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555616fd00 brk(0x555556190d00) = 0x555556190d00 brk(0x555556191000) = 0x555556191000 mprotect(0x7f85dcb34000, 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=0x55555616f650) = 292 ./strace-static-x86_64: Process 292 attached [pid 292] set_robust_list(0x55555616f660, 24) = 0 [pid 292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 292] setpgid(0, 0) = 0 [pid 292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 292] write(3, "1000", 4) = 4 [pid 292] close(3) = 0 [pid 292] write(1, "executing program\n", 18executing program ) = 18 [pid 292] 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 [ 20.213564][ T30] audit: type=1400 audit(1716088595.604:66): avc: denied { execmem } for pid=291 comm="syz-executor318" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 20.233276][ T30] audit: type=1400 audit(1716088595.604:67): avc: denied { map_create } for pid=292 comm="syz-executor318" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 20.253871][ T30] audit: type=1400 audit(1716088595.604:68): avc: denied { map_read map_write } for pid=292 comm="syz-executor318" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 20.274986][ T30] audit: type=1400 audit(1716088595.604:69): avc: denied { prog_load } for pid=292 comm="syz-executor318" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 20.294722][ T30] audit: type=1400 audit(1716088595.604:70): avc: denied { bpf } for pid=292 comm="syz-executor318" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 20.317576][ T30] audit: type=1400 audit(1716088595.604:71): avc: denied { perfmon } for pid=292 comm="syz-executor318" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [pid 292] 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 292] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 292] socketpair(AF_UNIX, SOCK_STREAM, 0, [6, 7]) = 0 [ 20.495217][ T30] audit: type=1400 audit(1716088595.884:72): avc: denied { prog_run } for pid=292 comm="syz-executor318" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 120.509966][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 120.516536][ C1] rcu: 1-...!: (10023 ticks this GP) idle=4d9/1/0x4000000000000000 softirq=2029/2033 fqs=0 last_accelerate: 9265/b993 dyntick_enabled: 1 [ 120.530404][ C1] (t=10000 jiffies g=649 q=1) [ 120.534995][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 9999 jiffies! g649 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 120.547075][ C1] rcu: Possible timer handling issue on cpu=0 timer-softirq=402 [ 120.554711][ C1] rcu: rcu_preempt kthread starved for 10000 jiffies! g649 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 120.565909][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 120.575718][ C1] rcu: RCU grace-period kthread stack dump: [ 120.581452][ C1] task:rcu_preempt state:I stack:28328 pid: 14 ppid: 2 flags:0x00004000 [ 120.590485][ C1] Call Trace: [ 120.593600][ C1] [ 120.596385][ C1] __schedule+0xccc/0x1590 [ 120.600630][ C1] ? __sched_text_start+0x8/0x8 [ 120.605318][ C1] schedule+0x11f/0x1e0 [ 120.609305][ C1] schedule_timeout+0x18c/0x370 [ 120.613992][ C1] ? console_conditional_schedule+0x30/0x30 [ 120.619721][ C1] ? update_process_times+0x200/0x200 [ 120.625014][ C1] ? prepare_to_swait_event+0x308/0x320 [ 120.630396][ C1] rcu_gp_fqs_loop+0x2af/0xf80 [ 120.634994][ C1] ? asm_sysvec_call_function_single+0x1b/0x20 [ 120.640985][ C1] ? rcu_gp_init+0xc30/0xc30 [ 120.645413][ C1] ? _raw_spin_unlock_irq+0x49/0x70 [ 120.650444][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 120.655477][ C1] ? rcu_gp_init+0x9cf/0xc30 [ 120.659913][ C1] rcu_gp_kthread+0xa4/0x350 [ 120.664331][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 120.669019][ C1] ? rcu_barrier_callback+0x50/0x50 [ 120.674053][ C1] ? __kasan_check_read+0x11/0x20 [ 120.678920][ C1] ? __kthread_parkme+0xb2/0x200 [ 120.683688][ C1] kthread+0x421/0x510 [ 120.687592][ C1] ? rcu_barrier_callback+0x50/0x50 [ 120.692631][ C1] ? kthread_blkcg+0xd0/0xd0 [ 120.697053][ C1] ret_from_fork+0x1f/0x30 [ 120.701306][ C1] [ 120.704176][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 120.710335][ C1] Sending NMI from CPU 1 to CPUs 0: [ 120.715395][ C0] NMI backtrace for cpu 0 [ 120.715423][ C0] CPU: 0 PID: 89 Comm: klogd Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0 [ 120.715442][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 120.715454][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 120.715476][ 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 [ 120.715490][ C0] RSP: 0018:ffffc900009d76c0 EFLAGS: 00000246 [ 120.715506][ C0] RAX: 0000000000000001 RBX: 1ffff9200013aedc RCX: 1ffffffff0d1aa9c [ 120.715518][ C0] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8881f7037ed4 [ 120.715530][ C0] RBP: ffffc900009d7770 R08: dffffc0000000000 R09: ffffed103ee06fdb [ 120.715543][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 120.715555][ C0] R13: ffff8881f7037ed4 R14: 0000000000000001 R15: 1ffff9200013aee0 [ 120.715568][ C0] FS: 00007fa054d0b380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 120.715583][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 120.715595][ C0] CR2: 0000000000d32258 CR3: 000000010c5ae000 CR4: 00000000003506b0 [ 120.715611][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 120.715621][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 120.715632][ C0] Call Trace: [ 120.715637][ C0] [ 120.715643][ C0] ? show_regs+0x58/0x60 [ 120.715660][ C0] ? nmi_cpu_backtrace+0x29f/0x300 [ 120.715680][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 120.715701][ C0] ? kvm_wait+0x147/0x180 [ 120.715716][ C0] ? kvm_wait+0x147/0x180 [ 120.715731][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 120.715749][ C0] ? nmi_handle+0xa8/0x280 [ 120.715766][ C0] ? kvm_wait+0x147/0x180 [ 120.715781][ C0] ? default_do_nmi+0x69/0x160 [ 120.715806][ C0] ? exc_nmi+0xaf/0x120 [ 120.715822][ C0] ? end_repeat_nmi+0x16/0x31 [ 120.715840][ C0] ? kvm_wait+0x147/0x180 [ 120.715855][ C0] ? kvm_wait+0x147/0x180 [ 120.715871][ C0] ? kvm_wait+0x147/0x180 [ 120.715886][ C0] [ 120.715890][ C0] [ 120.715896][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 120.715912][ C0] ? format_decode+0x72f/0x1f10 [ 120.715928][ C0] ? desc_read+0x214/0x420 [ 120.715947][ C0] __pv_queued_spin_lock_slowpath+0x41b/0xc40 [ 120.715968][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 120.715987][ C0] ? _prb_read_valid+0xb43/0xbd0 [ 120.716006][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 120.716025][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 120.716043][ C0] ? prb_read_valid+0xf0/0xf0 [ 120.716061][ C0] sock_map_delete_elem+0x99/0x130 [ 120.716081][ C0] ? syslog_print+0x8fe/0x990 [ 120.716097][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0xf70 [ 120.716115][ C0] bpf_trace_run2+0xec/0x210 [ 120.716134][ C0] ? __kasan_check_write+0x14/0x20 [ 120.716152][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 120.716169][ C0] ? syslog_print+0x8fe/0x990 [ 120.716185][ C0] ? syslog_print+0x8fe/0x990 [ 120.716201][ C0] __bpf_trace_kfree+0x6f/0x90 [ 120.716217][ C0] ? syslog_print+0x8fe/0x990 [ 120.716233][ C0] kfree+0x1f3/0x220 [ 120.716250][ C0] ? __kasan_check_read+0x11/0x20 [ 120.716267][ C0] syslog_print+0x8fe/0x990 [ 120.716286][ C0] ? do_syslog+0x830/0x830 [ 120.716304][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 120.716323][ C0] ? cap_capable+0x1d2/0x270 [ 120.716338][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 120.716354][ C0] ? io_schedule+0x120/0x120 [ 120.716372][ C0] do_syslog+0x340/0x830 [ 120.716388][ C0] ? devkmsg_release+0x130/0x130 [ 120.716408][ C0] ? debug_smp_processor_id+0x17/0x20 [ 120.716426][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 120.716446][ C0] __x64_sys_syslog+0x7c/0x90 [ 120.716463][ C0] do_syscall_64+0x3d/0xb0 [ 120.716478][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 120.716498][ C0] RIP: 0033:0x7fa054e6cfa7 [ 120.716516][ C0] 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 [ 120.716529][ C0] RSP: 002b:00007ffcca891da8 EFLAGS: 00000206 ORIG_RAX: 0000000000000067 [ 120.716546][ C0] RAX: ffffffffffffffda RBX: 00007fa05500b4a0 RCX: 00007fa054e6cfa7 [ 120.716559][ C0] RDX: 00000000000003ff RSI: 00007fa05500b4a0 RDI: 0000000000000002 [ 120.716570][ C0] RBP: 0000000000000000 R08: 0000000000000005 R09: 30a391aca4f559ff [ 120.716581][ C0] R10: 0000000000004000 R11: 0000000000000206 R12: 00007fa05500b4a0 [ 120.716592][ C0] R13: 00007fa054ffb212 R14: 00007fa05500b592 R15: 00007fa05500b592 [ 120.716607][ C0] [ 120.716618][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.219 msecs [ 120.717439][ C1] NMI backtrace for cpu 1 [ 121.175108][ C1] CPU: 1 PID: 292 Comm: syz-executor318 Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0 [ 121.185171][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 121.195066][ C1] Call Trace: [ 121.198185][ C1] [ 121.200965][ C1] dump_stack_lvl+0x151/0x1b7 [ 121.205476][ C1] ? io_uring_drop_tctx_refs+0x190/0x190 [ 121.210945][ C1] ? ttwu_do_wakeup+0x187/0x430 [ 121.215631][ C1] dump_stack+0x15/0x17 [ 121.219634][ C1] nmi_cpu_backtrace+0x2f7/0x300 [ 121.224404][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 121.230474][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 121.235901][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 121.240586][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 121.246485][ C1] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 121.252302][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 121.258210][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 121.263939][ C1] rcu_dump_cpu_stacks+0x1d8/0x330 [ 121.268967][ C1] print_cpu_stall+0x315/0x5f0 [ 121.273568][ C1] rcu_sched_clock_irq+0x989/0x12f0 [ 121.278598][ C1] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 121.284595][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 121.289626][ C1] update_process_times+0x198/0x200 [ 121.294661][ C1] tick_sched_timer+0x188/0x240 [ 121.299429][ C1] ? tick_setup_sched_timer+0x480/0x480 [ 121.304812][ C1] __hrtimer_run_queues+0x41a/0xad0 [ 121.309848][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 121.314794][ C1] ? clockevents_program_event+0x22f/0x300 [ 121.320435][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 121.326338][ C1] hrtimer_interrupt+0x40c/0xaa0 [ 121.331131][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 121.336865][ C1] sysvec_apic_timer_interrupt+0x95/0xc0 [ 121.342309][ C1] [ 121.345098][ C1] [ 121.348034][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 121.353850][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 121.358750][ 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 [ 121.378270][ C1] RSP: 0018:ffffc900009c76c0 EFLAGS: 00000246 [ 121.384167][ C1] RAX: 0000000000000003 RBX: 1ffff92000138edc RCX: ffffffff8154fa7f [ 121.392163][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88811f89d128 [ 121.399974][ C1] RBP: ffffc900009c7770 R08: dffffc0000000000 R09: ffffed1023f13a26 [ 121.407788][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 121.415597][ C1] R13: ffff88811f89d128 R14: 0000000000000003 R15: 1ffff92000138ee0 [ 121.423413][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 121.429483][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 121.435478][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 121.440422][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 121.446505][ C1] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 121.452402][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 121.458650][ C1] ? __sys_bpf+0x405/0x760 [ 121.462900][ C1] ? do_syscall_64+0x3d/0xb0 [ 121.467334][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 121.473347][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 121.478112][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 121.483144][ C1] sock_map_delete_elem+0x99/0x130 [ 121.488438][ C1] ? sock_map_unref+0x352/0x4d0 [ 121.493123][ C1] bpf_prog_2c29ac5cdc6b1842+0x3a/0xf70 [ 121.498501][ C1] bpf_trace_run2+0xec/0x210 [ 121.502931][ C1] ? bpf_trace_run1+0x1c0/0x1c0 [ 121.507706][ C1] ? sock_map_unref+0x352/0x4d0 [ 121.512390][ C1] ? __kasan_check_write+0x14/0x20 [ 121.517337][ C1] ? sock_map_unref+0x352/0x4d0 [ 121.522023][ C1] __bpf_trace_kfree+0x6f/0x90 [ 121.526624][ C1] ? sock_map_unref+0x352/0x4d0 [ 121.531308][ C1] kfree+0x1f3/0x220 [ 121.535044][ C1] sock_map_unref+0x352/0x4d0 [ 121.539557][ C1] sock_map_delete_elem+0xc1/0x130 [ 121.544503][ C1] ? kvfree+0x35/0x40 [ 121.548409][ C1] bpf_prog_2c29ac5cdc6b1842+0x3a/0xf70 [ 121.553792][ C1] bpf_trace_run2+0xec/0x210 [ 121.558314][ C1] ? bpf_trace_run1+0x1c0/0x1c0 [ 121.562990][ C1] ? sock_map_update_elem_sys+0x439/0x660 [ 121.568544][ C1] ? kvfree+0x35/0x40 [ 121.572365][ C1] ? kvfree+0x35/0x40 [ 121.576183][ C1] __bpf_trace_kfree+0x6f/0x90 [ 121.580783][ C1] ? kvfree+0x35/0x40 [ 121.584629][ C1] kfree+0x1f3/0x220 [ 121.588335][ C1] ? bpf_map_update_value+0x164/0x3c0 [ 121.593548][ C1] kvfree+0x35/0x40 [ 121.597185][ C1] map_update_elem+0x653/0x770 [ 121.601879][ C1] __sys_bpf+0x405/0x760 [ 121.605952][ C1] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 121.611193][ C1] ? ptrace_notify+0x24c/0x350 [ 121.615765][ C1] ? __kasan_check_read+0x11/0x20 [ 121.620626][ C1] __x64_sys_bpf+0x7c/0x90 [ 121.624876][ C1] do_syscall_64+0x3d/0xb0 [ 121.629139][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 121.634857][ C1] RIP: 0033:0x7f85dcac0e39 [ 121.639116][ C1] 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 [ 121.658549][ C1] RSP: 002b:00007ffd77f120f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 121.666793][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f85dcac0e39 [ 121.674605][ C1] RDX: 0000000000000020 RSI: 0000000020000500 RDI: 0000000000000002 [ 121.682416][ C1] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 121.690315][ C1] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000 [ 121.698125][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 121.705939][ C1] [ 265.084348][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 245s! [klogd:89] [ 265.091848][ C0] Modules linked in: [ 265.094337][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 245s! [syz-executor318:292] [ 265.095650][ C0] CPU: 0 PID: 89 Comm: klogd Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0 [ 265.104058][ C1] Modules linked in: [ 265.113181][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 265.113205][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 265.116907][ C1] CPU: 1 PID: 292 Comm: syz-executor318 Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0 [ 265.126809][ 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 [ 265.131571][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 265.142420][ C0] RSP: 0018:ffffc900009d76c0 EFLAGS: 00000246 [ 265.162039][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 265.171937][ C0] [ 265.171943][ C0] RAX: 0000000000000001 RBX: 1ffff9200013aedc RCX: 1ffffffff0d1aa9c [ 265.177837][ 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 [ 265.182603][ C0] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8881f7037ed4 [ 265.184774][ C1] RSP: 0018:ffffc900009c76c0 EFLAGS: 00000246 [ 265.192585][ C0] RBP: ffffc900009d7770 R08: dffffc0000000000 R09: ffffed103ee06fdb [ 265.212026][ C1] [ 265.212032][ C1] RAX: 0000000000000003 RBX: 1ffff92000138edc RCX: ffffffff8154fa7f [ 265.219837][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.225739][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88811f89d128 [ 265.233550][ C0] R13: ffff8881f7037ed4 R14: 0000000000000001 R15: 1ffff9200013aee0 [ 265.235719][ C1] RBP: ffffc900009c7770 R08: dffffc0000000000 R09: ffffed1023f13a26 [ 265.243530][ C0] FS: 00007fa054d0b380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 265.251345][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.259153][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.266963][ C1] R13: ffff88811f89d128 R14: 0000000000000003 R15: 1ffff92000138ee0 [ 265.274783][ C0] CR2: 0000000000d32258 CR3: 000000010c5ae000 CR4: 00000000003506b0 [ 265.283544][ C1] FS: 000055555616f380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 265.291372][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.297783][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.305680][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.313486][ C1] CR2: 00007f85dcb380d0 CR3: 000000011d695000 CR4: 00000000003506a0 [ 265.322257][ C0] Call Trace: [ 265.322288][ C0] [ 265.330067][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.336490][ C0] ? show_regs+0x58/0x60 [ 265.344305][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.352109][ C0] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.355235][ C1] Call Trace: [ 265.355242][ C1] [ 265.357931][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.365740][ C1] ? show_regs+0x58/0x60 [ 265.369817][ C0] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.377625][ C1] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.382576][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.385698][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.388389][ C0] ? clockevents_program_event+0x22f/0x300 [ 265.393512][ C1] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.397591][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.402802][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.407743][ C0] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.412692][ C1] ? clockevents_program_event+0x22f/0x300 [ 265.417991][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.423628][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.428837][ C0] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.434762][ C1] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.439684][ C0] [ 265.444639][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.450272][ C0] [ 265.450280][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.456175][ C1] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.462080][ C0] ? kvm_wait+0x147/0x180 [ 265.467718][ C1] [ 265.467725][ C1] [ 265.472665][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 265.475441][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.481346][ C0] ? format_decode+0x72f/0x1f10 [ 265.484259][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.490196][ C0] ? desc_read+0x214/0x420 [ 265.495837][ C1] ? kvm_wait+0x147/0x180 [ 265.500004][ C0] __pv_queued_spin_lock_slowpath+0x41b/0xc40 [ 265.502783][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.505562][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.510509][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 265.516494][ C0] ? _prb_read_valid+0xb43/0xbd0 [ 265.521182][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.527261][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 265.531513][ C1] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 265.535674][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.541578][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.547569][ C0] ? prb_read_valid+0xf0/0xf0 [ 265.553817][ C1] ? __sys_bpf+0x405/0x760 [ 265.558852][ C0] sock_map_delete_elem+0x99/0x130 [ 265.563622][ C1] ? do_syscall_64+0x3d/0xb0 [ 265.569702][ C0] ? syslog_print+0x8fe/0x990 [ 265.574472][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.580378][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0xf70 [ 265.585408][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 265.591656][ C0] bpf_trace_run2+0xec/0x210 [ 265.596516][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.600770][ C0] ? __kasan_check_write+0x14/0x20 [ 265.605807][ C1] sock_map_delete_elem+0x99/0x130 [ 265.610232][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 265.614744][ C1] ? sock_map_unref+0x352/0x4d0 [ 265.620645][ C0] ? syslog_print+0x8fe/0x990 [ 265.626038][ C1] bpf_prog_2c29ac5cdc6b1842+0x3a/0xf70 [ 265.630801][ C0] ? syslog_print+0x8fe/0x990 [ 265.635230][ C1] bpf_trace_run2+0xec/0x210 [ 265.640277][ C0] __bpf_trace_kfree+0x6f/0x90 [ 265.645211][ C1] ? bpf_trace_run1+0x1c0/0x1c0 [ 265.650154][ C0] ? syslog_print+0x8fe/0x990 [ 265.654840][ C1] ? sock_map_unref+0x352/0x4d0 [ 265.659529][ C0] kfree+0x1f3/0x220 [ 265.664044][ C1] ? __kasan_check_write+0x14/0x20 [ 265.669423][ C0] ? __kasan_check_read+0x11/0x20 [ 265.673938][ C1] ? sock_map_unref+0x352/0x4d0 [ 265.678366][ C0] syslog_print+0x8fe/0x990 [ 265.682962][ C1] __bpf_trace_kfree+0x6f/0x90 [ 265.687652][ C0] ? do_syslog+0x830/0x830 [ 265.692163][ C1] ? sock_map_unref+0x352/0x4d0 [ 265.696853][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 265.700580][ C1] kfree+0x1f3/0x220 [ 265.705529][ C0] ? cap_capable+0x1d2/0x270 [ 265.710390][ C1] sock_map_unref+0x352/0x4d0 [ 265.715076][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 265.719416][ C1] sock_map_delete_elem+0xc1/0x130 [ 265.724015][ C0] ? io_schedule+0x120/0x120 [ 265.728267][ C1] ? kvfree+0x35/0x40 [ 265.732960][ C0] do_syslog+0x340/0x830 [ 265.738164][ C1] bpf_prog_2c29ac5cdc6b1842+0x3a/0xf70 [ 265.741897][ C0] ? devkmsg_release+0x130/0x130 [ 265.746323][ C1] bpf_trace_run2+0xec/0x210 [ 265.750838][ C0] ? debug_smp_processor_id+0x17/0x20 [ 265.756129][ C1] ? bpf_trace_run1+0x1c0/0x1c0 [ 265.761074][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 265.765501][ C1] ? sock_map_update_elem_sys+0x439/0x660 [ 265.769321][ C0] __x64_sys_syslog+0x7c/0x90 [ 265.773402][ C1] ? kvfree+0x35/0x40 [ 265.778782][ C0] do_syscall_64+0x3d/0xb0 [ 265.783555][ C1] ? kvfree+0x35/0x40 [ 265.787986][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.793192][ C1] __bpf_trace_kfree+0x6f/0x90 [ 265.797876][ C0] RIP: 0033:0x7fa054e6cfa7 [ 265.803776][ C1] ? kvfree+0x35/0x40 [ 265.809356][ C0] 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 [ 265.813844][ C1] kfree+0x1f3/0x220 [ 265.817663][ C0] RSP: 002b:00007ffcca891da8 EFLAGS: 00000206 [ 265.821928][ C1] ? bpf_map_update_value+0x164/0x3c0 [ 265.825738][ C0] ORIG_RAX: 0000000000000067 [ 265.831464][ C1] kvfree+0x35/0x40 [ 265.836065][ C0] RAX: ffffffffffffffda RBX: 00007fa05500b4a0 RCX: 00007fa054e6cfa7 [ 265.840319][ C1] map_update_elem+0x653/0x770 [ 265.844137][ C0] RDX: 00000000000003ff RSI: 00007fa05500b4a0 RDI: 0000000000000002 [ 265.863581][ C1] __sys_bpf+0x405/0x760 [ 265.867310][ C0] RBP: 0000000000000000 R08: 0000000000000005 R09: 30a391aca4f559ff [ 265.873214][ C1] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 265.878420][ C0] R10: 0000000000004000 R11: 0000000000000206 R12: 00007fa05500b4a0 [ 265.882931][ C1] ? ptrace_notify+0x24c/0x350 [ 265.886577][ C0] R13: 00007fa054ffb212 R14: 00007fa05500b592 R15: 00007fa05500b592 [ 265.894393][ C1] ? __kasan_check_read+0x11/0x20 [ 265.898991][ C0] [ 265.906802][ C1] __x64_sys_bpf+0x7c/0x90 [ 265.956101][ C1] do_syscall_64+0x3d/0xb0 [ 265.960358][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.966079][ C1] RIP: 0033:0x7f85dcac0e39 [ 265.970423][ C1] 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 [ 265.989866][ C1] RSP: 002b:00007ffd77f120f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 265.998107][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f85dcac0e39 [ 266.005919][ C1] RDX: 0000000000000020 RSI: 0000000020000500 RDI: 0000000000000002 [ 266.013729][ C1] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 266.021540][ C1] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000 [ 266.029471][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 266.037284][ C1]