./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2307840613 <...> Warning: Permanently added '10.128.0.94' (ED25519) to the list of known hosts. execve("./syz-executor2307840613", ["./syz-executor2307840613"], 0x7ffffa6a8310 /* 10 vars */) = 0 brk(NULL) = 0x5555573db000 brk(0x5555573dbd00) = 0x5555573dbd00 arch_prctl(ARCH_SET_FS, 0x5555573db380) = 0 set_tid_address(0x5555573db650) = 294 set_robust_list(0x5555573db660, 24) = 0 rseq(0x5555573dbca0, 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-executor2307840613", 4096) = 28 getrandom("\x41\x1d\x8c\xb4\x93\x62\x9b\x12", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555573dbd00 brk(0x5555573fcd00) = 0x5555573fcd00 brk(0x5555573fd000) = 0x5555573fd000 mprotect(0x7f46feebc000, 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=0x5555573db650) = 295 ./strace-static-x86_64: Process 295 attached [pid 295] set_robust_list(0x5555573db660, 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_SOCKHASH, key_size=5, value_size=8, max_entries=1, 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 [pid 295] socket(AF_INET, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 295] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000780, value=0x20000900, flags=BPF_ANY}, 32) = 0 [ 22.318003][ T30] audit: type=1400 audit(1713407225.175:66): avc: denied { execmem } for pid=294 comm="syz-executor230" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.339872][ T30] audit: type=1400 audit(1713407225.205:67): avc: denied { map_create } for pid=295 comm="syz-executor230" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 22.359644][ T30] audit: type=1400 audit(1713407225.205:68): avc: denied { map_read map_write } for pid=295 comm="syz-executor230" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 22.379767][ T30] audit: type=1400 audit(1713407225.205:69): avc: denied { prog_load } for pid=295 comm="syz-executor230" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 22.398979][ T30] audit: type=1400 audit(1713407225.205:70): avc: denied { bpf } for pid=295 comm="syz-executor230" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 22.419648][ T30] audit: type=1400 audit(1713407225.205:71): avc: denied { perfmon } for pid=295 comm="syz-executor230" 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=0x200001c0, 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) = 5 [pid 295] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 16) = 6 [ 22.510825][ T30] audit: type=1400 audit(1713407225.375:72): avc: denied { prog_run } for pid=295 comm="syz-executor230" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 122.529429][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 122.535850][ C1] rcu: 1-...!: (10000 ticks this GP) idle=98d/1/0x4000000000000000 softirq=2120/2120 fqs=0 last_accelerate: 9347/ba59 dyntick_enabled: 1 [ 122.549818][ C1] (t=10002 jiffies g=385 q=1) [ 122.554427][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 10001 jiffies! g385 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 122.566395][ C1] rcu: Possible timer handling issue on cpu=0 timer-softirq=407 [ 122.574045][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g385 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 122.585223][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 122.595114][ C1] rcu: RCU grace-period kthread stack dump: [ 122.600852][ C1] task:rcu_preempt state:I stack:28328 pid: 14 ppid: 2 flags:0x00004000 [ 122.609881][ C1] Call Trace: [ 122.613020][ C1] [ 122.615775][ C1] __schedule+0xccc/0x1590 [ 122.620024][ C1] ? __sched_text_start+0x8/0x8 [ 122.624709][ C1] ? __kasan_check_write+0x14/0x20 [ 122.629675][ C1] ? __kasan_check_write+0x14/0x20 [ 122.634607][ C1] schedule+0x11f/0x1e0 [ 122.638604][ C1] schedule_timeout+0x18c/0x370 [ 122.643297][ C1] ? __update_idle_core+0x2a0/0x2a0 [ 122.648332][ C1] ? console_conditional_schedule+0x30/0x30 [ 122.654049][ C1] ? update_process_times+0x200/0x200 [ 122.659342][ C1] ? prepare_to_swait_event+0x308/0x320 [ 122.664738][ C1] rcu_gp_fqs_loop+0x2af/0xf80 [ 122.670628][ C1] ? debug_smp_processor_id+0x17/0x20 [ 122.675865][ C1] ? __note_gp_changes+0x4ab/0x920 [ 122.680881][ C1] ? rcu_gp_init+0xc30/0xc30 [ 122.685299][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 122.690343][ C1] ? rcu_gp_init+0x9cf/0xc30 [ 122.694917][ C1] rcu_gp_kthread+0xa4/0x350 [ 122.699311][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 122.703985][ C1] ? rcu_barrier_callback+0x50/0x50 [ 122.709018][ C1] ? __kasan_check_read+0x11/0x20 [ 122.713875][ C1] ? __kthread_parkme+0xb2/0x200 [ 122.718654][ C1] kthread+0x421/0x510 [ 122.722557][ C1] ? rcu_barrier_callback+0x50/0x50 [ 122.727677][ C1] ? kthread_blkcg+0xd0/0xd0 [ 122.732104][ C1] ret_from_fork+0x1f/0x30 [ 122.736381][ C1] [ 122.739222][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 122.745383][ C1] Sending NMI from CPU 1 to CPUs 0: [ 122.750619][ C0] NMI backtrace for cpu 0 [ 122.750628][ C0] CPU: 0 PID: 295 Comm: syz-executor230 Not tainted 5.15.148-syzkaller-00013-gad06eaf051cd #0 [ 122.750644][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 122.750652][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 122.750672][ 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 [ 122.750683][ C0] RSP: 0018:ffffc90000977760 EFLAGS: 00000246 [ 122.750697][ C0] RAX: 0000000000000003 RBX: 1ffff9200012eef0 RCX: ffffffff8154f88f [ 122.750708][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88810e889428 [ 122.750719][ C0] RBP: ffffc90000977810 R08: dffffc0000000000 R09: ffffed1021d11286 [ 122.750729][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 122.750739][ C0] R13: ffff88810e889428 R14: 0000000000000003 R15: 1ffff9200012eef4 [ 122.750750][ C0] FS: 00005555573db380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 122.750763][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 122.750773][ C0] CR2: 0000000000000000 CR3: 000000011e788000 CR4: 00000000003506b0 [ 122.750786][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 122.750795][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 122.750804][ C0] Call Trace: [ 122.750809][ C0] [ 122.750814][ C0] ? show_regs+0x58/0x60 [ 122.750830][ C0] ? nmi_cpu_backtrace+0x29f/0x300 [ 122.750848][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 122.750865][ C0] ? kvm_wait+0x147/0x180 [ 122.750878][ C0] ? kvm_wait+0x147/0x180 [ 122.750891][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 122.750907][ C0] ? nmi_handle+0xa8/0x280 [ 122.750920][ C0] ? kvm_wait+0x147/0x180 [ 122.750934][ C0] ? default_do_nmi+0x69/0x160 [ 122.750950][ C0] ? exc_nmi+0xaf/0x120 [ 122.750963][ C0] ? end_repeat_nmi+0x16/0x31 [ 122.750978][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 122.750995][ C0] ? kvm_wait+0x147/0x180 [ 122.751008][ C0] ? kvm_wait+0x147/0x180 [ 122.751021][ C0] ? kvm_wait+0x147/0x180 [ 122.751034][ C0] [ 122.751038][ C0] [ 122.751043][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 122.751057][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 122.751071][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 122.751088][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 122.751106][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 122.751122][ C0] ? __kasan_check_write+0x14/0x20 [ 122.751136][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 122.751154][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 122.751169][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 122.751185][ C0] ? sock_hash_bucket_hash+0x36d/0x7e0 [ 122.751202][ C0] sock_hash_delete_elem+0xb1/0x2f0 [ 122.751217][ C0] ? sock_map_unref+0x352/0x4d0 [ 122.751231][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x244 [ 122.751244][ C0] bpf_trace_run2+0xec/0x210 [ 122.751260][ C0] ? __se_sys_mount+0x285/0x3b0 [ 122.751274][ C0] ? __x64_sys_mount+0xbf/0xd0 [ 122.751287][ C0] ? do_syscall_64+0x3d/0xb0 [ 122.751300][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 122.751315][ C0] ? sock_map_unref+0x352/0x4d0 [ 122.751330][ C0] ? sock_map_unref+0x352/0x4d0 [ 122.751344][ C0] __bpf_trace_kfree+0x6f/0x90 [ 122.751358][ C0] ? sock_map_unref+0x352/0x4d0 [ 122.751371][ C0] kfree+0x1f3/0x220 [ 122.751387][ C0] sock_map_unref+0x352/0x4d0 [ 122.751402][ C0] sock_hash_delete_elem+0x274/0x2f0 [ 122.751424][ C0] ? __se_sys_mount+0x2d8/0x3b0 [ 122.751438][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x244 [ 122.751449][ C0] bpf_trace_run2+0xec/0x210 [ 122.751464][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 122.751478][ C0] ? __se_sys_mount+0x2d8/0x3b0 [ 122.751493][ C0] ? __se_sys_mount+0x2d8/0x3b0 [ 122.751506][ C0] __bpf_trace_kfree+0x6f/0x90 [ 122.751519][ C0] ? __se_sys_mount+0x2d8/0x3b0 [ 122.751533][ C0] kfree+0x1f3/0x220 [ 122.751548][ C0] __se_sys_mount+0x2d8/0x3b0 [ 122.751562][ C0] ? __x64_sys_mount+0xd0/0xd0 [ 122.751576][ C0] ? __kasan_check_read+0x11/0x20 [ 122.751591][ C0] __x64_sys_mount+0xbf/0xd0 [ 122.751605][ C0] do_syscall_64+0x3d/0xb0 [ 122.751618][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 122.751634][ C0] RIP: 0033:0x7f46fee48df9 [ 122.751658][ 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 [ 122.751669][ C0] RSP: 002b:00007ffeb58fc9e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 122.751684][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f46fee48df9 [ 122.751694][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 122.751702][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 122.751710][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 122.751719][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 122.751729][ C0] [ 122.751735][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.115 msecs [ 122.752620][ C1] Sending NMI from CPU 1 to CPUs 0: [ 123.249453][ C0] NMI backtrace for cpu 0 [ 123.249464][ C0] CPU: 0 PID: 295 Comm: syz-executor230 Not tainted 5.15.148-syzkaller-00013-gad06eaf051cd #0 [ 123.249481][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 123.249489][ C0] RIP: 0010:__pv_queued_spin_lock_slowpath+0x5be/0xc40 [ 123.249513][ C0] Code: 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 ff c3 74 5e <41> 0f b6 44 15 00 84 c0 75 36 41 80 3f 00 75 ea 4c 89 ff be 02 00 [ 123.249525][ C0] RSP: 0018:ffffc90000977820 EFLAGS: 00000282 [ 123.249539][ C0] RAX: 0000000000000000 RBX: 00000000ffff8894 RCX: ffffffff8154f88f [ 123.249550][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88810e889428 [ 123.249560][ C0] RBP: ffffc90000977910 R08: dffffc0000000000 R09: ffffed1021d11286 [ 123.249571][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7037ed4 [ 123.249582][ C0] R13: 1ffff11021d11285 R14: 1ffff1103ee00001 R15: ffff88810e889428 [ 123.249593][ C0] FS: 00005555573db380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 123.249606][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 123.249616][ C0] CR2: 0000000000000000 CR3: 000000011e788000 CR4: 00000000003506b0 [ 123.249629][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 123.249638][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 123.249647][ C0] Call Trace: [ 123.249652][ C0] [ 123.249659][ C0] ? show_regs+0x58/0x60 [ 123.249675][ C0] ? nmi_cpu_backtrace+0x29f/0x300 [ 123.249692][ C0] ? ___ratelimit+0x3c0/0x5a0 [ 123.249708][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 123.249725][ C0] ? __pv_queued_spin_lock_slowpath+0x5be/0xc40 [ 123.249740][ C0] ? __pv_queued_spin_lock_slowpath+0x5be/0xc40 [ 123.249756][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 123.249772][ C0] ? nmi_handle+0xa8/0x280 [ 123.249786][ C0] ? __pv_queued_spin_lock_slowpath+0x5be/0xc40 [ 123.249802][ C0] ? kvm_wait+0x147/0x180 [ 123.249815][ C0] ? default_do_nmi+0x69/0x160 [ 123.249831][ C0] ? exc_nmi+0xaf/0x120 [ 123.249844][ C0] ? end_repeat_nmi+0x16/0x31 [ 123.249859][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 123.249875][ C0] ? __pv_queued_spin_lock_slowpath+0x5be/0xc40 [ 123.249891][ C0] ? __pv_queued_spin_lock_slowpath+0x5be/0xc40 [ 123.249908][ C0] ? __pv_queued_spin_lock_slowpath+0x5be/0xc40 [ 123.249924][ C0] [ 123.249928][ C0] [ 123.249934][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 123.249950][ C0] ? __kasan_check_write+0x14/0x20 [ 123.249965][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 123.249982][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 123.249998][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 123.250014][ C0] ? sock_hash_bucket_hash+0x36d/0x7e0 [ 123.250032][ C0] sock_hash_delete_elem+0xb1/0x2f0 [ 123.250047][ C0] ? sock_map_unref+0x352/0x4d0 [ 123.250061][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x244 [ 123.250073][ C0] bpf_trace_run2+0xec/0x210 [ 123.250089][ C0] ? __se_sys_mount+0x285/0x3b0 [ 123.250103][ C0] ? __x64_sys_mount+0xbf/0xd0 [ 123.250117][ C0] ? do_syscall_64+0x3d/0xb0 [ 123.250130][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 123.250145][ C0] ? sock_map_unref+0x352/0x4d0 [ 123.250159][ C0] ? sock_map_unref+0x352/0x4d0 [ 123.250174][ C0] __bpf_trace_kfree+0x6f/0x90 [ 123.250188][ C0] ? sock_map_unref+0x352/0x4d0 [ 123.250202][ C0] kfree+0x1f3/0x220 [ 123.250219][ C0] sock_map_unref+0x352/0x4d0 [ 123.250234][ C0] sock_hash_delete_elem+0x274/0x2f0 [ 123.250250][ C0] ? __se_sys_mount+0x2d8/0x3b0 [ 123.250264][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x244 [ 123.250275][ C0] bpf_trace_run2+0xec/0x210 [ 123.250290][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 123.250305][ C0] ? __se_sys_mount+0x2d8/0x3b0 [ 123.250319][ C0] ? __se_sys_mount+0x2d8/0x3b0 [ 123.250339][ C0] __bpf_trace_kfree+0x6f/0x90 [ 123.250352][ C0] ? __se_sys_mount+0x2d8/0x3b0 [ 123.250366][ C0] kfree+0x1f3/0x220 [ 123.250387][ C0] __se_sys_mount+0x2d8/0x3b0 [ 123.250402][ C0] ? __x64_sys_mount+0xd0/0xd0 [ 123.250416][ C0] ? __kasan_check_read+0x11/0x20 [ 123.250431][ C0] __x64_sys_mount+0xbf/0xd0 [ 123.250445][ C0] do_syscall_64+0x3d/0xb0 [ 123.250458][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 123.250475][ C0] RIP: 0033:0x7f46fee48df9 [ 123.250487][ 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 [ 123.250499][ C0] RSP: 002b:00007ffeb58fc9e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 123.250513][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f46fee48df9 [ 123.250523][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 123.250531][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 123.250540][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 123.250548][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 123.250559][ C0] [ 123.251450][ C1] NMI backtrace for cpu 1 [ 123.736016][ C1] CPU: 1 PID: 30 Comm: kauditd Not tainted 5.15.148-syzkaller-00013-gad06eaf051cd #0 [ 123.745298][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 123.755196][ C1] Call Trace: [ 123.758320][ C1] [ 123.761012][ C1] dump_stack_lvl+0x151/0x1b7 [ 123.765522][ C1] ? io_uring_drop_tctx_refs+0x190/0x190 [ 123.770991][ C1] ? cpumask_next+0x8a/0xb0 [ 123.775328][ C1] dump_stack+0x15/0x17 [ 123.779320][ C1] nmi_cpu_backtrace+0x2f7/0x300 [ 123.784097][ C1] ? init_x2apic_ldr+0x10/0x10 [ 123.788694][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 123.794686][ C1] ? irq_work_queue+0xd4/0x160 [ 123.799285][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 123.805186][ C1] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 123.811000][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 123.817076][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 123.822803][ C1] rcu_dump_cpu_stacks+0x1d8/0x330 [ 123.828364][ C1] print_cpu_stall+0x315/0x5f0 [ 123.832958][ C1] rcu_sched_clock_irq+0x989/0x12f0 [ 123.837995][ C1] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 123.843981][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 123.849015][ C1] update_process_times+0x198/0x200 [ 123.854053][ C1] tick_sched_timer+0x188/0x240 [ 123.858738][ C1] ? tick_setup_sched_timer+0x480/0x480 [ 123.864120][ C1] __hrtimer_run_queues+0x41a/0xad0 [ 123.869152][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 123.874100][ C1] ? clockevents_program_event+0x22f/0x300 [ 123.879741][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 123.885660][ C1] hrtimer_interrupt+0x40c/0xaa0 [ 123.890508][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 123.896244][ C1] sysvec_apic_timer_interrupt+0x95/0xc0 [ 123.901704][ C1] [ 123.904476][ C1] [ 123.907254][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 123.913074][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 123.917852][ 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 [ 123.937290][ C1] RSP: 0018:ffffc900001ff7e0 EFLAGS: 00000246 [ 123.943189][ C1] RAX: 0000000000000001 RBX: 1ffff9200003ff00 RCX: 1ffffffff0d1aa9c [ 123.950999][ C1] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8881f7137ed4 [ 123.958808][ C1] RBP: ffffc900001ff890 R08: dffffc0000000000 R09: ffffed103ee26fdb [ 123.966621][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 123.974431][ C1] R13: ffff8881f7137ed4 R14: 0000000000000001 R15: 1ffff9200003ff04 [ 123.982256][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 123.988758][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 123.993707][ C1] __pv_queued_spin_lock_slowpath+0x41b/0xc40 [ 123.999603][ C1] ? __schedule+0xcd4/0x1590 [ 124.004030][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 124.010282][ C1] ? __sched_text_start+0x8/0x8 [ 124.014967][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 124.019766][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 124.025076][ C1] ? sock_hash_bucket_hash+0x36d/0x7e0 [ 124.030358][ C1] sock_hash_delete_elem+0xb1/0x2f0 [ 124.035395][ C1] ? skb_release_data+0x8a9/0xa80 [ 124.040251][ C1] bpf_prog_2c29ac5cdc6b1842+0x3a/0x244 [ 124.045780][ C1] bpf_trace_run2+0xec/0x210 [ 124.050320][ C1] ? bpf_trace_run1+0x1c0/0x1c0 [ 124.055148][ C1] ? vprintk_emit+0x16b/0x340 [ 124.059659][ C1] ? skb_release_data+0x8a9/0xa80 [ 124.064567][ C1] ? vprintk_store+0x1620/0x1620 [ 124.069286][ C1] ? __kasan_check_write+0x14/0x20 [ 124.074249][ C1] ? skb_release_data+0x8a9/0xa80 [ 124.079102][ C1] __bpf_trace_kfree+0x6f/0x90 [ 124.083705][ C1] ? skb_release_data+0x8a9/0xa80 [ 124.088554][ C1] kfree+0x1f3/0x220 [ 124.092287][ C1] ? vprintk+0x74/0x80 [ 124.096194][ C1] skb_release_data+0x8a9/0xa80 [ 124.100890][ C1] ? kauditd_hold_skb+0x115/0x200 [ 124.105744][ C1] kfree_skb+0xba/0x360 [ 124.109735][ C1] kauditd_hold_skb+0x115/0x200 [ 124.114420][ C1] ? auditd_conn_free+0xe0/0xe0 [ 124.119194][ C1] ? auditd_conn_free+0xe0/0xe0 [ 124.123967][ C1] ? kauditd_send_queue+0x2e0/0x2e0 [ 124.129003][ C1] kauditd_send_queue+0x28d/0x2e0 [ 124.133864][ C1] ? auditd_conn_free+0xe0/0xe0 [ 124.138549][ C1] ? kauditd_send_queue+0x2e0/0x2e0 [ 124.143582][ C1] kauditd_thread+0x529/0x8b0 [ 124.148095][ C1] ? __kasan_check_write+0x14/0x20 [ 124.153043][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 124.157737][ C1] ? audit_log+0x150/0x150 [ 124.161983][ C1] ? io_schedule+0x120/0x120 [ 124.166408][ C1] ? __kthread_parkme+0xb2/0x200 [ 124.171186][ C1] kthread+0x421/0x510 [ 124.175147][ C1] ? audit_log+0x150/0x150 [ 124.179355][ C1] ? kthread_blkcg+0xd0/0xd0 [ 124.183865][ C1] ret_from_fork+0x1f/0x30 [ 124.188117][ C1] [ 265.099800][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 245s! [syz-executor230:295] [ 265.108291][ C0] Modules linked in: [ 265.109798][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 245s! [kauditd:30] [ 265.112024][ C0] CPU: 0 PID: 295 Comm: syz-executor230 Not tainted 5.15.148-syzkaller-00013-gad06eaf051cd #0 [ 265.119661][ C1] Modules linked in: [ 265.129727][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 265.133549][ C1] CPU: 1 PID: 30 Comm: kauditd Not tainted 5.15.148-syzkaller-00013-gad06eaf051cd #0 [ 265.143443][ C0] RIP: 0010:__pv_queued_spin_lock_slowpath+0x5ba/0xc40 [ 265.153509][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 265.160193][ C0] 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 [ 265.170090][ C1] RIP: 0010:__pv_queued_spin_lock_slowpath+0x369/0xc40 [ 265.189536][ C0] RSP: 0018:ffffc90000977820 EFLAGS: 00000206 [ 265.196211][ C1] Code: 44 24 48 eb 25 48 89 df be 01 00 00 00 e8 bf 4f 5d 00 b0 01 31 c9 f0 0f b0 0b 41 bc 00 80 00 00 48 ba 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 [ 265.196224][ C1] RSP: 0018:ffffc900001ff8a0 EFLAGS: 00000206 [ 265.202114][ C0] RAX: 0000000000000000 RBX: 00000000ffffc441 RCX: ffffffff8154f88f [ 265.221559][ C1] [ 265.221564][ C1] RAX: ffff8881f7137ec8 RBX: ffff8881f7137ed4 RCX: 0000000000000000 [ 265.227456][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88810e889428 [ 265.235268][ C1] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8881f7137ed4 [ 265.237438][ C0] RBP: ffffc90000977910 R08: dffffc0000000000 R09: ffffed1021d11286 [ 265.245250][ C1] RBP: ffffc900001ff990 R08: dffffc0000000000 R09: ffffed103ee26fdb [ 265.253060][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7037ed4 [ 265.260874][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000003e0c [ 265.269466][ C0] R13: 1ffff11021d11285 R14: 1ffff1103ee00001 R15: ffff88810e889428 [ 265.277276][ C1] R13: 1ffff11021d11285 R14: 1ffff1103ee26fd9 R15: ffff88810e889428 [ 265.285087][ C0] FS: 00005555573db380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 265.292901][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 265.300712][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.308521][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.317302][ C0] CR2: 0000000000000000 CR3: 000000011e788000 CR4: 00000000003506b0 [ 265.326056][ C1] CR2: 00007f299f234304 CR3: 000000011ecda000 CR4: 00000000003506a0 [ 265.332494][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.338904][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.346713][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.354651][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.362423][ C0] Call Trace: [ 265.362430][ C0] [ 265.370235][ C1] Call Trace: [ 265.370240][ C1] [ 265.378130][ C0] ? show_regs+0x58/0x60 [ 265.385861][ C1] ? show_regs+0x58/0x60 [ 265.388983][ C0] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.391672][ C1] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.394797][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.397487][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.401568][ C0] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.405659][ C1] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.410603][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.415544][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.420661][ C0] ? clockevents_program_event+0x22f/0x300 [ 265.425782][ C1] ? clockevents_program_event+0x22f/0x300 [ 265.430990][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.436199][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.441146][ C0] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.446095][ C1] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.451737][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.457379][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.463278][ C0] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.469181][ C1] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.474134][ C0] [ 265.474145][ C0] [ 265.479074][ C1] [ 265.479080][ C1] [ 265.484978][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.490964][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.496607][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.502250][ C1] ? __pv_queued_spin_lock_slowpath+0x369/0xc40 [ 265.505031][ C0] ? __pv_queued_spin_lock_slowpath+0x5ba/0xc40 [ 265.507803][ C1] ? __schedule+0xcd4/0x1590 [ 265.510610][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.513364][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.520042][ C0] ? __kasan_check_write+0x14/0x20 [ 265.526029][ C1] ? __sched_text_start+0x8/0x8 [ 265.532106][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 265.538181][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 265.544265][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 265.548688][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.554934][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.561276][ C1] ? sock_hash_bucket_hash+0x36d/0x7e0 [ 265.566224][ C0] ? sock_hash_bucket_hash+0x36d/0x7e0 [ 265.571009][ C1] sock_hash_delete_elem+0xb1/0x2f0 [ 265.576300][ C0] sock_hash_delete_elem+0xb1/0x2f0 [ 265.581067][ C1] ? skb_release_data+0x8a9/0xa80 [ 265.585839][ C0] ? sock_map_unref+0x352/0x4d0 [ 265.590876][ C1] bpf_prog_2c29ac5cdc6b1842+0x3a/0x244 [ 265.595951][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x244 [ 265.601331][ C1] bpf_trace_run2+0xec/0x210 [ 265.606613][ C0] bpf_trace_run2+0xec/0x210 [ 265.611642][ C1] ? bpf_trace_run1+0x1c0/0x1c0 [ 265.616682][ C0] ? __se_sys_mount+0x285/0x3b0 [ 265.621540][ C1] ? vprintk_emit+0x16b/0x340 [ 265.626224][ C0] ? __x64_sys_mount+0xbf/0xd0 [ 265.631603][ C1] ? skb_release_data+0x8a9/0xa80 [ 265.637071][ C0] ? do_syscall_64+0x3d/0xb0 [ 265.641497][ C1] ? vprintk_store+0x1620/0x1620 [ 265.645934][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 265.650633][ C1] ? __kasan_check_write+0x14/0x20 [ 265.655305][ C0] ? sock_map_unref+0x352/0x4d0 [ 265.659810][ C1] ? skb_release_data+0x8a9/0xa80 [ 265.664620][ C0] ? sock_map_unref+0x352/0x4d0 [ 265.669447][ C1] __bpf_trace_kfree+0x6f/0x90 [ 265.673873][ C0] __bpf_trace_kfree+0x6f/0x90 [ 265.678650][ C1] ? skb_release_data+0x8a9/0xa80 [ 265.683341][ C0] ? sock_map_unref+0x352/0x4d0 [ 265.688279][ C1] kfree+0x1f3/0x220 [ 265.692964][ C0] kfree+0x1f3/0x220 [ 265.697829][ C1] ? vprintk+0x74/0x80 [ 265.702513][ C0] sock_map_unref+0x352/0x4d0 [ 265.707115][ C1] skb_release_data+0x8a9/0xa80 [ 265.711716][ C0] sock_hash_delete_elem+0x274/0x2f0 [ 265.716574][ C1] ? kauditd_hold_skb+0x115/0x200 [ 265.721260][ C0] ? __se_sys_mount+0x2d8/0x3b0 [ 265.724993][ C1] kfree_skb+0xba/0x360 [ 265.728724][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x244 [ 265.732631][ C1] kauditd_hold_skb+0x115/0x200 [ 265.737171][ C0] bpf_trace_run2+0xec/0x210 [ 265.741830][ C1] ? auditd_conn_free+0xe0/0xe0 [ 265.746953][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 265.751820][ C1] ? auditd_conn_free+0xe0/0xe0 [ 265.756507][ C0] ? __se_sys_mount+0x2d8/0x3b0 [ 265.760490][ C1] ? kauditd_send_queue+0x2e0/0x2e0 [ 265.765873][ C0] ? __se_sys_mount+0x2d8/0x3b0 [ 265.770559][ C1] kauditd_send_queue+0x28d/0x2e0 [ 265.774987][ C0] __bpf_trace_kfree+0x6f/0x90 [ 265.779724][ C1] ? auditd_conn_free+0xe0/0xe0 [ 265.784368][ C0] ? __se_sys_mount+0x2d8/0x3b0 [ 265.789225][ C1] ? kauditd_send_queue+0x2e0/0x2e0 [ 265.793917][ C0] kfree+0x1f3/0x220 [ 265.798943][ C1] kauditd_thread+0x529/0x8b0 [ 265.803629][ C0] __se_sys_mount+0x2d8/0x3b0 [ 265.808487][ C1] ? __kasan_check_write+0x14/0x20 [ 265.813091][ C0] ? __x64_sys_mount+0xd0/0xd0 [ 265.817777][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 265.822465][ C0] ? __kasan_check_read+0x11/0x20 [ 265.827498][ C1] ? audit_log+0x150/0x150 [ 265.831229][ C0] __x64_sys_mount+0xbf/0xd0 [ 265.835743][ C1] ? io_schedule+0x120/0x120 [ 265.840257][ C0] do_syscall_64+0x3d/0xb0 [ 265.845291][ C1] ? __kthread_parkme+0xb2/0x200 [ 265.849890][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.854589][ C1] kthread+0x421/0x510 [ 265.859437][ C0] RIP: 0033:0x7f46fee48df9 [ 265.863776][ C1] ? audit_log+0x150/0x150 [ 265.868203][ 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 [ 265.872633][ C1] ? kthread_blkcg+0xd0/0xd0 [ 265.876884][ C0] RSP: 002b:00007ffeb58fc9e8 EFLAGS: 00000246 [ 265.881829][ C1] ret_from_fork+0x1f/0x30 [ 265.887645][ C0] ORIG_RAX: 00000000000000a5 [ 265.887655][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f46fee48df9 [ 265.891572][ C1] [ 265.895802][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 265.957169][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 265.965001][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.972789][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 265.980605][ C0]