./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4118208594 <...> Warning: Permanently added '10.128.1.179' (ED25519) to the list of known hosts. execve("./syz-executor4118208594", ["./syz-executor4118208594"], 0x7ffdc2ee36a0 /* 10 vars */) = 0 brk(NULL) = 0x555555f44000 brk(0x555555f44d00) = 0x555555f44d00 arch_prctl(ARCH_SET_FS, 0x555555f44380) = 0 set_tid_address(0x555555f44650) = 293 set_robust_list(0x555555f44660, 24) = 0 rseq(0x555555f44ca0, 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-executor4118208594", 4096) = 28 getrandom("\xe3\xec\x13\xed\xd8\xdb\x3f\xbb", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555f44d00 brk(0x555555f65d00) = 0x555555f65d00 brk(0x555555f66000) = 0x555555f66000 mprotect(0x7f3c2060c000, 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=0x555555f44650) = 294 ./strace-static-x86_64: Process 294 attached [pid 294] set_robust_list(0x555555f44660, 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] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKHASH, key_size=4, value_size=8, max_entries=8, 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 [ 22.186959][ T30] audit: type=1400 audit(1712650019.018:66): avc: denied { execmem } for pid=293 comm="syz-executor411" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.197156][ T30] audit: type=1400 audit(1712650019.028:67): avc: denied { map_create } for pid=294 comm="syz-executor411" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 22.203154][ T30] audit: type=1400 audit(1712650019.038:68): avc: denied { map_read map_write } for pid=294 comm="syz-executor411" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 22.217999][ T30] audit: type=1400 audit(1712650019.038:69): avc: denied { prog_load } for pid=294 comm="syz-executor411" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 22.237738][ T30] audit: type=1400 audit(1712650019.038:70): avc: denied { bpf } for pid=294 comm="syz-executor411" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 22.258870][ T30] audit: type=1400 audit(1712650019.038:71): avc: denied { perfmon } for pid=294 comm="syz-executor411" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [pid 294] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000280, license="GPL", 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 294] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 294] socketpair(AF_UNIX, SOCK_STREAM, 0, [6, 7]) = 0 [ 22.434370][ T30] audit: type=1400 audit(1712650019.268:72): avc: denied { prog_run } for pid=294 comm="syz-executor411" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 122.452740][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 122.459182][ C1] rcu: 1-...!: (10023 ticks this GP) idle=b45/1/0x4000000000000000 softirq=2272/2275 fqs=0 last_accelerate: 9322/ba4b dyntick_enabled: 1 [ 122.473079][ C1] (t=10002 jiffies g=685 q=1) [ 122.477668][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 10001 jiffies! g685 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 122.489642][ C1] rcu: Possible timer handling issue on cpu=0 timer-softirq=454 [ 122.497193][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g685 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 122.508321][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 122.518222][ C1] rcu: RCU grace-period kthread stack dump: [ 122.523950][ C1] task:rcu_preempt state:I stack:28328 pid: 14 ppid: 2 flags:0x00004000 [ 122.532974][ C1] Call Trace: [ 122.536098][ C1] [ 122.538879][ C1] __schedule+0xccc/0x1590 [ 122.543132][ C1] ? __sched_text_start+0x8/0x8 [ 122.547818][ C1] schedule+0x11f/0x1e0 [ 122.551809][ C1] schedule_timeout+0x18c/0x370 [ 122.556524][ C1] ? __update_idle_core+0x2a0/0x2a0 [ 122.561529][ C1] ? console_conditional_schedule+0x30/0x30 [ 122.567257][ C1] ? update_process_times+0x200/0x200 [ 122.572692][ C1] ? prepare_to_swait_event+0x308/0x320 [ 122.578049][ C1] rcu_gp_fqs_loop+0x2af/0xf80 [ 122.582877][ C1] ? debug_smp_processor_id+0x17/0x20 [ 122.588076][ C1] ? __note_gp_changes+0x4ab/0x920 [ 122.593025][ C1] ? rcu_gp_init+0xc30/0xc30 [ 122.597452][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 122.602493][ C1] ? rcu_gp_init+0x9cf/0xc30 [ 122.607050][ C1] rcu_gp_kthread+0xa4/0x350 [ 122.611553][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 122.616223][ C1] ? rcu_barrier_callback+0x50/0x50 [ 122.621258][ C1] ? __kasan_check_read+0x11/0x20 [ 122.626115][ C1] ? __kthread_parkme+0xb2/0x200 [ 122.630975][ C1] kthread+0x421/0x510 [ 122.634883][ C1] ? rcu_barrier_callback+0x50/0x50 [ 122.639914][ C1] ? kthread_blkcg+0xd0/0xd0 [ 122.644343][ C1] ret_from_fork+0x1f/0x30 [ 122.648596][ C1] [ 122.651457][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 122.657619][ C1] Sending NMI from CPU 1 to CPUs 0: [ 122.662868][ C0] NMI backtrace for cpu 0 [ 122.662881][ C0] CPU: 0 PID: 89 Comm: klogd Not tainted 5.15.148-syzkaller-00718-g993bed180178 #0 [ 122.662900][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 122.662910][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 122.662933][ 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 [ 122.662946][ C0] RSP: 0018:ffffc900009e76a0 EFLAGS: 00000246 [ 122.662962][ C0] RAX: 0000000000000001 RBX: 1ffff9200013ced8 RCX: 1ffffffff0d1aa9c [ 122.662975][ C0] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8881f7037ed4 [ 122.662985][ C0] RBP: ffffc900009e7750 R08: dffffc0000000000 R09: ffffed103ee06fdb [ 122.662998][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 122.663010][ C0] R13: ffff8881f7037ed4 R14: 0000000000000001 R15: 1ffff9200013cedc [ 122.663022][ C0] FS: 00007f9740b7b380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 122.663037][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 122.663048][ C0] CR2: 000000000064a110 CR3: 000000010c2e8000 CR4: 00000000003506b0 [ 122.663063][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 122.663072][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 122.663083][ C0] Call Trace: [ 122.663088][ C0] [ 122.663094][ C0] ? show_regs+0x58/0x60 [ 122.663113][ C0] ? nmi_cpu_backtrace+0x29f/0x300 [ 122.663133][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 122.663153][ C0] ? kvm_wait+0x147/0x180 [ 122.663168][ C0] ? kvm_wait+0x147/0x180 [ 122.663183][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 122.663201][ C0] ? nmi_handle+0xa8/0x280 [ 122.663218][ C0] ? kvm_wait+0x147/0x180 [ 122.663233][ C0] ? default_do_nmi+0x69/0x160 [ 122.663250][ C0] ? exc_nmi+0xaf/0x120 [ 122.663265][ C0] ? end_repeat_nmi+0x16/0x31 [ 122.663283][ C0] ? kvm_wait+0x147/0x180 [ 122.663298][ C0] ? kvm_wait+0x147/0x180 [ 122.663313][ C0] ? kvm_wait+0x147/0x180 [ 122.663328][ C0] [ 122.663333][ C0] [ 122.663338][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 122.663359][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 122.663377][ C0] __pv_queued_spin_lock_slowpath+0x41b/0xc40 [ 122.663397][ C0] ? __kasan_check_write+0x14/0x20 [ 122.663417][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 122.663436][ C0] ? _prb_read_valid+0xb43/0xbd0 [ 122.663455][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 122.663473][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 122.663491][ C0] ? sock_hash_bucket_hash+0x352/0x7e0 [ 122.663511][ C0] sock_hash_delete_elem+0xb1/0x2f0 [ 122.663528][ C0] ? syslog_print+0x8fe/0x990 [ 122.663544][ C0] bpf_prog_3ffd2c70e20892c6+0x3a/0x610 [ 122.663558][ C0] bpf_trace_run2+0xec/0x210 [ 122.663576][ C0] ? __kasan_check_write+0x14/0x20 [ 122.663593][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 122.663624][ C0] ? syslog_print+0x8fe/0x990 [ 122.663640][ C0] ? syslog_print+0x8fe/0x990 [ 122.663656][ C0] __bpf_trace_kfree+0x6f/0x90 [ 122.663673][ C0] ? syslog_print+0x8fe/0x990 [ 122.663688][ C0] kfree+0x1f3/0x220 [ 122.663705][ C0] ? __kasan_check_read+0x11/0x20 [ 122.663722][ C0] syslog_print+0x8fe/0x990 [ 122.663741][ C0] ? do_syslog+0x830/0x830 [ 122.663759][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 122.663777][ C0] ? cap_capable+0x1d2/0x270 [ 122.663793][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 122.663809][ C0] ? io_schedule+0x120/0x120 [ 122.663826][ C0] do_syslog+0x340/0x830 [ 122.663842][ C0] ? devkmsg_release+0x130/0x130 [ 122.663861][ C0] ? debug_smp_processor_id+0x17/0x20 [ 122.663878][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 122.663899][ C0] __x64_sys_syslog+0x7c/0x90 [ 122.663915][ C0] do_syscall_64+0x3d/0xb0 [ 122.663930][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 122.663949][ C0] RIP: 0033:0x7f9740cdcfa7 [ 122.663962][ 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 [ 122.663975][ C0] RSP: 002b:00007fff84441268 EFLAGS: 00000206 ORIG_RAX: 0000000000000067 [ 122.663991][ C0] RAX: ffffffffffffffda RBX: 00007f9740e7b4a0 RCX: 00007f9740cdcfa7 [ 122.664003][ C0] RDX: 00000000000003ff RSI: 00007f9740e7b4a0 RDI: 0000000000000002 [ 122.664014][ C0] RBP: 0000000000000000 R08: 0000000000000005 R09: 2645da5d365e31d2 [ 122.664024][ C0] R10: 0000000000004000 R11: 0000000000000206 R12: 00007f9740e7b4a0 [ 122.664035][ C0] R13: 00007f9740e6b212 R14: 00007f9740e7b592 R15: 00007f9740e7b592 [ 122.664050][ C0] [ 122.664055][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.188 msecs [ 122.664871][ C1] NMI backtrace for cpu 1 [ 123.124676][ C1] CPU: 1 PID: 294 Comm: syz-executor411 Not tainted 5.15.148-syzkaller-00718-g993bed180178 #0 [ 123.134738][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 123.144637][ C1] Call Trace: [ 123.147762][ C1] [ 123.150450][ C1] dump_stack_lvl+0x151/0x1b7 [ 123.155119][ C1] ? io_uring_drop_tctx_refs+0x190/0x190 [ 123.160562][ C1] ? ttwu_do_wakeup+0x187/0x430 [ 123.165354][ C1] dump_stack+0x15/0x17 [ 123.169343][ C1] nmi_cpu_backtrace+0x2f7/0x300 [ 123.174116][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 123.180105][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 123.185401][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 123.190086][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 123.195995][ C1] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 123.201864][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 123.207832][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 123.213552][ C1] rcu_dump_cpu_stacks+0x1d8/0x330 [ 123.218495][ C1] print_cpu_stall+0x315/0x5f0 [ 123.223201][ C1] rcu_sched_clock_irq+0x989/0x12f0 [ 123.228257][ C1] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 123.234201][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 123.239237][ C1] update_process_times+0x198/0x200 [ 123.244272][ C1] tick_sched_timer+0x188/0x240 [ 123.248965][ C1] ? tick_setup_sched_timer+0x480/0x480 [ 123.254450][ C1] __hrtimer_run_queues+0x41a/0xad0 [ 123.259497][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 123.264438][ C1] ? clockevents_program_event+0x22f/0x300 [ 123.270081][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 123.275981][ C1] hrtimer_interrupt+0x40c/0xaa0 [ 123.280760][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 123.286481][ C1] sysvec_apic_timer_interrupt+0x95/0xc0 [ 123.291950][ C1] [ 123.294727][ C1] [ 123.301671][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 123.307496][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 123.312261][ 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 [ 123.331702][ C1] RSP: 0018:ffffc900007df680 EFLAGS: 00000246 [ 123.337702][ C1] RAX: 0000000000000003 RBX: 1ffff920000fbed4 RCX: ffffffff8154f88f [ 123.345588][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88810b9e3e08 [ 123.353399][ C1] RBP: ffffc900007df730 R08: dffffc0000000000 R09: ffffed102173c7c2 [ 123.361211][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 123.369021][ C1] R13: ffff88810b9e3e08 R14: 0000000000000003 R15: 1ffff920000fbed8 [ 123.377136][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 123.383209][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 123.389193][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 123.394158][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 123.400213][ C1] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 123.406116][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 123.412476][ C1] ? stack_trace_snprint+0xf0/0xf0 [ 123.417415][ C1] ? _raw_spin_unlock_irqrestore+0x5c/0x80 [ 123.423080][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 123.427939][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 123.432981][ C1] ? sock_hash_bucket_hash+0x352/0x7e0 [ 123.438279][ C1] sock_hash_delete_elem+0xb1/0x2f0 [ 123.443310][ C1] ? sock_map_unref+0x352/0x4d0 [ 123.448010][ C1] bpf_prog_3ffd2c70e20892c6+0x3a/0x610 [ 123.453376][ C1] bpf_trace_run2+0xec/0x210 [ 123.457801][ C1] ? bpf_trace_run1+0x1c0/0x1c0 [ 123.462503][ C1] ? sock_map_unref+0x352/0x4d0 [ 123.467175][ C1] ? sock_map_unref+0x352/0x4d0 [ 123.471862][ C1] __bpf_trace_kfree+0x6f/0x90 [ 123.476669][ C1] ? sock_map_unref+0x352/0x4d0 [ 123.481346][ C1] kfree+0x1f3/0x220 [ 123.485080][ C1] sock_map_unref+0x352/0x4d0 [ 123.489590][ C1] sock_hash_delete_elem+0x274/0x2f0 [ 123.494712][ C1] ? kvfree+0x35/0x40 [ 123.498531][ C1] bpf_prog_3ffd2c70e20892c6+0x3a/0x610 [ 123.504084][ C1] bpf_trace_run2+0xec/0x210 [ 123.508598][ C1] ? bpf_trace_run1+0x1c0/0x1c0 [ 123.513287][ C1] ? sock_map_update_elem_sys+0x439/0x660 [ 123.518816][ C1] ? kvfree+0x35/0x40 [ 123.522635][ C1] ? kvfree+0x35/0x40 [ 123.526454][ C1] __bpf_trace_kfree+0x6f/0x90 [ 123.531055][ C1] ? kvfree+0x35/0x40 [ 123.534872][ C1] kfree+0x1f3/0x220 [ 123.538604][ C1] ? bpf_map_update_value+0x164/0x3c0 [ 123.543832][ C1] kvfree+0x35/0x40 [ 123.547491][ C1] map_update_elem+0x653/0x770 [ 123.552226][ C1] __sys_bpf+0x405/0x760 [ 123.556293][ C1] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 123.561501][ C1] ? ptrace_notify+0x24c/0x350 [ 123.566101][ C1] ? __kasan_check_read+0x11/0x20 [ 123.570962][ C1] __x64_sys_bpf+0x7c/0x90 [ 123.575215][ C1] do_syscall_64+0x3d/0xb0 [ 123.579639][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 123.585370][ C1] RIP: 0033:0x7f3c20598c79 [ 123.589639][ 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 [ 123.609064][ C1] RSP: 002b:00007fff476a8e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 123.617307][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3c20598c79 [ 123.625121][ C1] RDX: 0000000000000020 RSI: 0000000020000c80 RDI: 0000000000000002 [ 123.633498][ C1] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 123.641320][ C1] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000 [ 123.649120][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 123.656960][ C1] [ 265.213677][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 245s! [klogd:89] [ 265.213677][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 245s! [syz-executor411:294] [ 265.213702][ C1] Modules linked in: [ 265.213714][ C1] CPU: 1 PID: 294 Comm: syz-executor411 Not tainted 5.15.148-syzkaller-00718-g993bed180178 #0 [ 265.221151][ C0] Modules linked in: [ 265.229570][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 265.233304][ C0] CPU: 0 PID: 89 Comm: klogd Not tainted 5.15.148-syzkaller-00718-g993bed180178 #0 [ 265.243372][ C1] RIP: 0010:__pv_queued_spin_lock_slowpath+0x5ba/0xc40 [ 265.247101][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 265.257003][ C1] Code: 00 00 49 89 dc c6 03 00 48 8b 44 24 10 0f b6 04 10 84 c0 0f 85 48 01 00 00 48 8b 44 24 08 c6 00 01 bb 00 80 ff ff eb 06 f3 90 c3 74 5e 41 0f b6 44 15 00 84 c0 75 36 41 80 3f 00 75 ea 4c 89 [ 265.266893][ C0] RIP: 0010:__pv_queued_spin_lock_slowpath+0x38b/0xc40 [ 265.273576][ C1] RSP: 0018:ffffc900007df740 EFLAGS: 00000206 [ 265.283471][ C0] Code: 00 00 00 00 00 fc ff df 41 0f b6 04 16 84 c0 0f 85 ac 00 00 00 48 8b 44 24 08 83 38 00 0f 85 15 01 00 00 45 84 e4 74 09 f3 90 <41> ff cc 75 d9 eb 1b 48 8b 44 24 20 0f b6 04 10 84 c0 0f 85 cd 00 [ 265.302910][ C1] [ 265.302917][ C1] RAX: 0000000000000000 RBX: 00000000ffffc36c RCX: ffffffff8154f88f [ 265.309592][ C0] RSP: 0018:ffffc900009e7760 EFLAGS: 00000206 [ 265.315620][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88810b9e3e08 [ 265.335112][ C0] [ 265.335123][ C0] RAX: ffff8881f7037ec8 RBX: ffff8881f7037ed4 RCX: 0000000000000000 [ 265.337233][ C1] RBP: ffffc900007df830 R08: dffffc0000000000 R09: ffffed102173c7c2 [ 265.345043][ C0] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8881f7037ed4 [ 265.350942][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7137ed4 [ 265.358759][ C0] RBP: ffffc900009e7850 R08: dffffc0000000000 R09: ffffed103ee06fdb [ 265.360924][ C1] R13: 1ffff1102173c7c1 R14: 1ffff1103ee20001 R15: ffff88810b9e3e08 [ 265.368743][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000003e42 [ 265.376555][ C1] FS: 0000555555f44380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 265.384362][ C0] R13: 1ffff1102173c7c1 R14: 1ffff1103ee06fd9 R15: ffff88810b9e3e08 [ 265.392283][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.400097][ C0] FS: 00007f9740b7b380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 265.407912][ C1] CR2: 00007f3c206100d0 CR3: 000000011d45f000 CR4: 00000000003506a0 [ 265.415715][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.424486][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.432303][ C0] CR2: 000000000064a110 CR3: 000000010c2e8000 CR4: 00000000003506b0 [ 265.438718][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.447489][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.455297][ C1] Call Trace: [ 265.455306][ C1] [ 265.461718][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.469540][ C1] ? show_regs+0x58/0x60 [ 265.477345][ C0] Call Trace: [ 265.477355][ C0] [ 265.485161][ C1] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.493070][ C0] ? show_regs+0x58/0x60 [ 265.496180][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.498874][ C0] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.506682][ C1] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.510758][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.513889][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.516572][ C0] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.521519][ C1] ? clockevents_program_event+0x22f/0x300 [ 265.525603][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.530719][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.535665][ C0] ? clockevents_program_event+0x22f/0x300 [ 265.540875][ C1] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.545992][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.550947][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.556149][ C0] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.561793][ C1] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.566742][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.572639][ C1] [ 265.572648][ C1] [ 265.578284][ C0] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.583228][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.589148][ C0] [ 265.589155][ C0] [ 265.595032][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.599980][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.605620][ C1] ? __pv_queued_spin_lock_slowpath+0x5ba/0xc40 [ 265.611524][ C0] ? __pv_queued_spin_lock_slowpath+0x38b/0xc40 [ 265.614306][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.617101][ C0] ? __kasan_check_write+0x14/0x20 [ 265.622721][ C1] ? stack_trace_snprint+0xf0/0xf0 [ 265.628708][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.631487][ C1] ? _raw_spin_unlock_irqrestore+0x5c/0x80 [ 265.634262][ C0] ? _prb_read_valid+0xb43/0xbd0 [ 265.640339][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 265.646328][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 265.652404][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.658480][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.664749][ C1] ? sock_hash_bucket_hash+0x352/0x7e0 [ 265.669676][ C0] ? sock_hash_bucket_hash+0x352/0x7e0 [ 265.674624][ C1] sock_hash_delete_elem+0xb1/0x2f0 [ 265.680873][ C0] sock_hash_delete_elem+0xb1/0x2f0 [ 265.686515][ C1] ? sock_map_unref+0x352/0x4d0 [ 265.691286][ C0] ? syslog_print+0x8fe/0x990 [ 265.696071][ C1] bpf_prog_3ffd2c70e20892c6+0x3a/0x610 [ 265.700834][ C0] bpf_prog_3ffd2c70e20892c6+0x3a/0x610 [ 265.705872][ C1] bpf_trace_run2+0xec/0x210 [ 265.710902][ C0] bpf_trace_run2+0xec/0x210 [ 265.716196][ C1] ? bpf_trace_run1+0x1c0/0x1c0 [ 265.721494][ C0] ? __kasan_check_write+0x14/0x20 [ 265.726524][ C1] ? sock_map_unref+0x352/0x4d0 [ 265.731560][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 265.736332][ C1] ? sock_map_unref+0x352/0x4d0 [ 265.740842][ C0] ? syslog_print+0x8fe/0x990 [ 265.746228][ C1] __bpf_trace_kfree+0x6f/0x90 [ 265.751608][ C0] ? syslog_print+0x8fe/0x990 [ 265.756034][ C1] ? sock_map_unref+0x352/0x4d0 [ 265.760460][ C0] __bpf_trace_kfree+0x6f/0x90 [ 265.765148][ C1] kfree+0x1f3/0x220 [ 265.770097][ C0] ? syslog_print+0x8fe/0x990 [ 265.774782][ C1] sock_map_unref+0x352/0x4d0 [ 265.779468][ C0] kfree+0x1f3/0x220 [ 265.784156][ C1] sock_hash_delete_elem+0x274/0x2f0 [ 265.788667][ C0] ? __kasan_check_read+0x11/0x20 [ 265.793268][ C1] ? kvfree+0x35/0x40 [ 265.797781][ C0] syslog_print+0x8fe/0x990 [ 265.802467][ C1] bpf_prog_3ffd2c70e20892c6+0x3a/0x610 [ 265.807071][ C0] ? do_syslog+0x830/0x830 [ 265.810803][ C1] bpf_trace_run2+0xec/0x210 [ 265.815314][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 265.819826][ C1] ? bpf_trace_run1+0x1c0/0x1c0 [ 265.823559][ C0] ? cap_capable+0x1d2/0x270 [ 265.828714][ C1] ? sock_map_update_elem_sys+0x439/0x660 [ 265.833540][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 265.837358][ C1] ? kvfree+0x35/0x40 [ 265.841701][ C0] ? io_schedule+0x120/0x120 [ 265.847078][ C1] ? kvfree+0x35/0x40 [ 265.851334][ C0] do_syslog+0x340/0x830 [ 265.855757][ C1] __bpf_trace_kfree+0x6f/0x90 [ 265.860968][ C0] ? devkmsg_release+0x130/0x130 [ 265.865653][ C1] ? kvfree+0x35/0x40 [ 265.870082][ C0] ? debug_smp_processor_id+0x17/0x20 [ 265.875634][ C1] kfree+0x1f3/0x220 [ 265.880929][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 265.884748][ C1] ? bpf_map_update_value+0x164/0x3c0 [ 265.889174][ C0] __x64_sys_syslog+0x7c/0x90 [ 265.892993][ C1] kvfree+0x35/0x40 [ 265.897096][ C0] do_syscall_64+0x3d/0xb0 [ 265.901670][ C1] map_update_elem+0x653/0x770 [ 265.906446][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.910266][ C1] __sys_bpf+0x405/0x760 [ 265.915472][ C0] RIP: 0033:0x7f9740cdcfa7 [ 265.919202][ C1] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 265.925105][ 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 [ 265.930312][ C1] ? ptrace_notify+0x24c/0x350 [ 265.934824][ C0] RSP: 002b:00007fff84441268 EFLAGS: 00000206 [ 265.938473][ C1] ? __kasan_check_read+0x11/0x20 [ 265.942723][ C0] ORIG_RAX: 0000000000000067 [ 265.947324][ C1] __x64_sys_bpf+0x7c/0x90 [ 265.953056][ C0] RAX: ffffffffffffffda RBX: 00007f9740e7b4a0 RCX: 00007f9740cdcfa7 [ 265.957130][ C1] do_syscall_64+0x3d/0xb0 [ 265.961382][ C0] RDX: 00000000000003ff RSI: 00007f9740e7b4a0 RDI: 0000000000000002 [ 265.966593][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.986033][ C0] RBP: 0000000000000000 R08: 0000000000000005 R09: 2645da5d365e31d2 [ 265.990635][ C1] RIP: 0033:0x7f3c20598c79 [ 265.996534][ C0] R10: 0000000000004000 R11: 0000000000000206 R12: 00007f9740e7b4a0 [ 266.001399][ 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 [ 266.005908][ C0] R13: 00007f9740e6b212 R14: 00007f9740e7b592 R15: 00007f9740e7b592 [ 266.010162][ C1] RSP: 002b:00007fff476a8e98 EFLAGS: 00000246 [ 266.017978][ C0] [ 266.022224][ C1] ORIG_RAX: 0000000000000141 [ 266.096263][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3c20598c79 [ 266.104072][ C1] RDX: 0000000000000020 RSI: 0000000020000c80 RDI: 0000000000000002 [ 266.111893][ C1] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 266.119694][ C1] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000 [ 266.127504][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 266.135320][ C1]