./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3721864290 <...> audit: type=1400 audit(1714627265.237:64): avc: denied { rlimitinh } for pid=224 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.090325][ T30] audit: type=1400 audit(1714627265.237:65): avc: denied { siginh } for pid=224 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.225820][ T228] sftp-server (228) used greatest stack depth: 22288 bytes left Warning: Permanently added '10.128.1.8' (ED25519) to the list of known hosts. execve("./syz-executor3721864290", ["./syz-executor3721864290"], 0x7fff4abb9580 /* 10 vars */) = 0 brk(NULL) = 0x55555575f000 brk(0x55555575fd00) = 0x55555575fd00 arch_prctl(ARCH_SET_FS, 0x55555575f380) = 0 set_tid_address(0x55555575f650) = 293 set_robust_list(0x55555575f660, 24) = 0 rseq(0x55555575fca0, 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-executor3721864290", 4096) = 28 getrandom("\xe1\xa7\x8c\x18\xf6\x07\xdb\x90", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555575fd00 brk(0x555555780d00) = 0x555555780d00 brk(0x555555781000) = 0x555555781000 mprotect(0x7f21f41af000, 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=0x55555575f650) = 294 ./strace-static-x86_64: Process 294 attached [pid 294] set_robust_list(0x55555575f660, 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_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 [ 20.259274][ T30] audit: type=1400 audit(1714627273.417:66): avc: denied { execmem } for pid=293 comm="syz-executor372" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 20.266660][ T30] audit: type=1400 audit(1714627273.417:67): avc: denied { map_create } for pid=294 comm="syz-executor372" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 20.269528][ T30] audit: type=1400 audit(1714627273.417:68): avc: denied { map_read map_write } for pid=294 comm="syz-executor372" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 20.272259][ T30] audit: type=1400 audit(1714627273.427:69): avc: denied { prog_load } for pid=294 comm="syz-executor372" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 20.275088][ T30] audit: type=1400 audit(1714627273.427:70): avc: denied { bpf } for pid=294 comm="syz-executor372" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 20.278588][ T30] audit: type=1400 audit(1714627273.427:71): avc: denied { perfmon } for pid=294 comm="syz-executor372" 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=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 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 [ 20.400550][ T30] audit: type=1400 audit(1714627273.557:72): avc: denied { prog_run } for pid=294 comm="syz-executor372" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 120.418409][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 120.424898][ C0] rcu: 0-...!: (10000 ticks this GP) idle=ea9/1/0x4000000000000000 softirq=2085/2085 fqs=0 last_accelerate: 926e/b98d dyntick_enabled: 1 [ 120.438754][ C0] (t=10000 jiffies g=353 q=1) [ 120.443345][ C0] rcu: rcu_preempt kthread timer wakeup didn't happen for 9999 jiffies! g353 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 120.455236][ C0] rcu: Possible timer handling issue on cpu=0 timer-softirq=325 [ 120.463047][ C0] rcu: rcu_preempt kthread starved for 10000 jiffies! g353 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 120.474074][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 120.483874][ C0] rcu: RCU grace-period kthread stack dump: [ 120.489611][ C0] task:rcu_preempt state:I stack:28328 pid: 14 ppid: 2 flags:0x00004000 [ 120.498901][ C0] Call Trace: [ 120.502023][ C0] [ 120.504802][ C0] __schedule+0xccc/0x1590 [ 120.509046][ C0] ? __sched_text_start+0x8/0x8 [ 120.513732][ C0] ? __kasan_check_write+0x14/0x20 [ 120.518683][ C0] ? __kasan_check_write+0x14/0x20 [ 120.523639][ C0] schedule+0x11f/0x1e0 [ 120.527641][ C0] schedule_timeout+0x18c/0x370 [ 120.532316][ C0] ? __update_idle_core+0x2a0/0x2a0 [ 120.537602][ C0] ? console_conditional_schedule+0x30/0x30 [ 120.543341][ C0] ? update_process_times+0x200/0x200 [ 120.548537][ C0] ? prepare_to_swait_event+0x308/0x320 [ 120.553922][ C0] rcu_gp_fqs_loop+0x2af/0xf80 [ 120.558691][ C0] ? debug_smp_processor_id+0x17/0x20 [ 120.563889][ C0] ? __note_gp_changes+0x4ab/0x920 [ 120.568829][ C0] ? rcu_gp_init+0xc30/0xc30 [ 120.573262][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 120.578288][ C0] ? rcu_gp_init+0x9cf/0xc30 [ 120.582715][ C0] rcu_gp_kthread+0xa4/0x350 [ 120.587143][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 120.591831][ C0] ? rcu_barrier_callback+0x50/0x50 [ 120.596958][ C0] ? __kasan_check_read+0x11/0x20 [ 120.601824][ C0] ? __kthread_parkme+0xb2/0x200 [ 120.606604][ C0] kthread+0x421/0x510 [ 120.610496][ C0] ? rcu_barrier_callback+0x50/0x50 [ 120.615619][ C0] ? kthread_blkcg+0xd0/0xd0 [ 120.620051][ C0] ret_from_fork+0x1f/0x30 [ 120.624299][ C0] [ 120.627171][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 120.633328][ C0] NMI backtrace for cpu 0 [ 120.637506][ C0] CPU: 0 PID: 294 Comm: syz-executor372 Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0 [ 120.647559][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 120.657455][ C0] Call Trace: [ 120.660579][ C0] [ 120.663265][ C0] dump_stack_lvl+0x151/0x1b7 [ 120.667780][ C0] ? io_uring_drop_tctx_refs+0x190/0x190 [ 120.673259][ C0] dump_stack+0x15/0x17 [ 120.677253][ C0] nmi_cpu_backtrace+0x2f7/0x300 [ 120.682017][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 120.688002][ C0] ? panic+0x751/0x751 [ 120.691908][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 120.697810][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 120.703625][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 120.709528][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 120.715254][ C0] rcu_check_gp_kthread_starvation+0x1e3/0x250 [ 120.721244][ C0] ? rcu_check_gp_kthread_expired_fqs_timer+0x18e/0x230 [ 120.728188][ C0] print_cpu_stall+0x310/0x5f0 [ 120.732788][ C0] rcu_sched_clock_irq+0x989/0x12f0 [ 120.737819][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 120.743810][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 120.748844][ C0] update_process_times+0x198/0x200 [ 120.753876][ C0] tick_sched_timer+0x188/0x240 [ 120.758580][ C0] ? tick_setup_sched_timer+0x480/0x480 [ 120.763949][ C0] __hrtimer_run_queues+0x41a/0xad0 [ 120.768982][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 120.773928][ C0] ? clockevents_program_event+0x22f/0x300 [ 120.779568][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 120.785477][ C0] hrtimer_interrupt+0x40c/0xaa0 [ 120.790306][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 120.795973][ C0] sysvec_apic_timer_interrupt+0x95/0xc0 [ 120.801441][ C0] [ 120.804218][ C0] [ 120.806995][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 120.812817][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 120.817583][ 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 [ 120.837025][ C0] RSP: 0018:ffffc900009576c0 EFLAGS: 00000246 [ 120.842926][ C0] RAX: 0000000000000003 RBX: 1ffff9200012aedc RCX: ffffffff8154fa7f [ 120.850744][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88811f42cd28 [ 120.858549][ C0] RBP: ffffc90000957770 R08: dffffc0000000000 R09: ffffed1023e859a6 [ 120.866359][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 120.874172][ C0] R13: ffff88811f42cd28 R14: 0000000000000003 R15: 1ffff9200012aee0 [ 120.881985][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 120.888067][ C0] ? asm_common_interrupt+0x27/0x40 [ 120.893091][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 120.898046][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 120.904114][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 120.910105][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 120.916788][ C0] ? __sys_bpf+0x405/0x760 [ 120.921058][ C0] ? do_syscall_64+0x3d/0xb0 [ 120.925464][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 120.931368][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 120.936143][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 120.941177][ C0] sock_map_delete_elem+0x99/0x130 [ 120.946122][ C0] ? sock_map_unref+0x352/0x4d0 [ 120.950812][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x41c [ 120.956199][ C0] bpf_trace_run2+0xec/0x210 [ 120.960789][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 120.965910][ C0] ? sock_map_unref+0x352/0x4d0 [ 120.970688][ C0] ? __kasan_check_write+0x14/0x20 [ 120.975814][ C0] ? sock_map_unref+0x352/0x4d0 [ 120.980494][ C0] __bpf_trace_kfree+0x6f/0x90 [ 120.985101][ C0] ? sock_map_unref+0x352/0x4d0 [ 120.989778][ C0] kfree+0x1f3/0x220 [ 120.993511][ C0] sock_map_unref+0x352/0x4d0 [ 120.998023][ C0] sock_map_delete_elem+0xc1/0x130 [ 121.002970][ C0] ? kvfree+0x35/0x40 [ 121.006789][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x41c [ 121.012172][ C0] bpf_trace_run2+0xec/0x210 [ 121.016597][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 121.021369][ C0] ? sock_map_update_elem_sys+0x439/0x660 [ 121.026925][ C0] ? kvfree+0x35/0x40 [ 121.030743][ C0] ? kvfree+0x35/0x40 [ 121.034562][ C0] __bpf_trace_kfree+0x6f/0x90 [ 121.039172][ C0] ? kvfree+0x35/0x40 [ 121.042990][ C0] kfree+0x1f3/0x220 [ 121.046714][ C0] ? bpf_map_update_value+0x164/0x3c0 [ 121.051922][ C0] kvfree+0x35/0x40 [ 121.055566][ C0] map_update_elem+0x653/0x770 [ 121.060169][ C0] __sys_bpf+0x405/0x760 [ 121.064245][ C0] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 121.069453][ C0] ? ptrace_notify+0x24c/0x350 [ 121.074055][ C0] ? __kasan_check_read+0x11/0x20 [ 121.078916][ C0] __x64_sys_bpf+0x7c/0x90 [ 121.083166][ C0] do_syscall_64+0x3d/0xb0 [ 121.087419][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 121.093148][ C0] RIP: 0033:0x7f21f413bdf9 [ 121.097434][ 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 [ 121.116848][ C0] RSP: 002b:00007ffeec088a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 121.125094][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f21f413bdf9 [ 121.132906][ C0] RDX: 0000000000000020 RSI: 0000000020000500 RDI: 0000000000000002 [ 121.140709][ C0] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 121.148545][ C0] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000 [ 121.156334][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 121.164153][ C0] [ 121.167080][ C0] NMI backtrace for cpu 0 [ 121.171174][ C0] CPU: 0 PID: 294 Comm: syz-executor372 Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0 [ 121.181331][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 121.191253][ C0] Call Trace: [ 121.194351][ C0] [ 121.197039][ C0] dump_stack_lvl+0x151/0x1b7 [ 121.201551][ C0] ? io_uring_drop_tctx_refs+0x190/0x190 [ 121.207018][ C0] ? ttwu_do_wakeup+0x187/0x430 [ 121.211707][ C0] dump_stack+0x15/0x17 [ 121.215700][ C0] nmi_cpu_backtrace+0x2f7/0x300 [ 121.220473][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 121.226460][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 121.231755][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 121.236440][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 121.242342][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 121.248158][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 121.254062][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 121.259788][ C0] rcu_dump_cpu_stacks+0x1d8/0x330 [ 121.264737][ C0] print_cpu_stall+0x315/0x5f0 [ 121.269346][ C0] rcu_sched_clock_irq+0x989/0x12f0 [ 121.274373][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 121.280361][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 121.285396][ C0] update_process_times+0x198/0x200 [ 121.290427][ C0] tick_sched_timer+0x188/0x240 [ 121.295112][ C0] ? tick_setup_sched_timer+0x480/0x480 [ 121.300615][ C0] __hrtimer_run_queues+0x41a/0xad0 [ 121.305624][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 121.310756][ C0] ? clockevents_program_event+0x22f/0x300 [ 121.316389][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 121.322292][ C0] hrtimer_interrupt+0x40c/0xaa0 [ 121.327065][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 121.332791][ C0] sysvec_apic_timer_interrupt+0x95/0xc0 [ 121.338273][ C0] [ 121.341036][ C0] [ 121.344289][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 121.350096][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 121.354884][ 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 [ 121.374311][ C0] RSP: 0018:ffffc900009576c0 EFLAGS: 00000246 [ 121.380216][ C0] RAX: 0000000000000003 RBX: 1ffff9200012aedc RCX: ffffffff8154fa7f [ 121.388196][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88811f42cd28 [ 121.396010][ C0] RBP: ffffc90000957770 R08: dffffc0000000000 R09: ffffed1023e859a6 [ 121.403820][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 121.411630][ C0] R13: ffff88811f42cd28 R14: 0000000000000003 R15: 1ffff9200012aee0 [ 121.419446][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 121.425518][ C0] ? asm_common_interrupt+0x27/0x40 [ 121.430552][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 121.435501][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 121.441573][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 121.447476][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 121.453729][ C0] ? __sys_bpf+0x405/0x760 [ 121.457981][ C0] ? do_syscall_64+0x3d/0xb0 [ 121.462403][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 121.468305][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 121.473080][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 121.478113][ C0] sock_map_delete_elem+0x99/0x130 [ 121.483060][ C0] ? sock_map_unref+0x352/0x4d0 [ 121.487746][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x41c [ 121.493130][ C0] bpf_trace_run2+0xec/0x210 [ 121.497556][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 121.502241][ C0] ? sock_map_unref+0x352/0x4d0 [ 121.506927][ C0] ? __kasan_check_write+0x14/0x20 [ 121.511882][ C0] ? sock_map_unref+0x352/0x4d0 [ 121.516563][ C0] __bpf_trace_kfree+0x6f/0x90 [ 121.521166][ C0] ? sock_map_unref+0x352/0x4d0 [ 121.525849][ C0] kfree+0x1f3/0x220 [ 121.529584][ C0] sock_map_unref+0x352/0x4d0 [ 121.534096][ C0] sock_map_delete_elem+0xc1/0x130 [ 121.539041][ C0] ? kvfree+0x35/0x40 [ 121.542861][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x41c [ 121.548251][ C0] bpf_trace_run2+0xec/0x210 [ 121.552668][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 121.557353][ C0] ? sock_map_update_elem_sys+0x439/0x660 [ 121.562913][ C0] ? kvfree+0x35/0x40 [ 121.566732][ C0] ? kvfree+0x35/0x40 [ 121.570549][ C0] __bpf_trace_kfree+0x6f/0x90 [ 121.575148][ C0] ? kvfree+0x35/0x40 [ 121.578969][ C0] kfree+0x1f3/0x220 [ 121.582697][ C0] ? bpf_map_update_value+0x164/0x3c0 [ 121.587915][ C0] kvfree+0x35/0x40 [ 121.591551][ C0] map_update_elem+0x653/0x770 [ 121.596150][ C0] __sys_bpf+0x405/0x760 [ 121.600230][ C0] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 121.605447][ C0] ? ptrace_notify+0x24c/0x350 [ 121.610821][ C0] ? __kasan_check_read+0x11/0x20 [ 121.616026][ C0] __x64_sys_bpf+0x7c/0x90 [ 121.620466][ C0] do_syscall_64+0x3d/0xb0 [ 121.624721][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 121.630433][ C0] RIP: 0033:0x7f21f413bdf9 [ 121.634686][ 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 [ 121.654127][ C0] RSP: 002b:00007ffeec088a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 121.662557][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f21f413bdf9 [ 121.670574][ C0] RDX: 0000000000000020 RSI: 0000000020000500 RDI: 0000000000000002 [ 121.678383][ C0] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 121.686189][ C0] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000 [ 121.694001][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 121.701826][ C0] [ 155.055749][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 144s! [klogd:89] [ 155.063204][ C1] Modules linked in: [ 155.066926][ C1] CPU: 1 PID: 89 Comm: klogd Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0 [ 155.076045][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 155.085940][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 155.090708][ 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 [ 155.110682][ C1] RSP: 0018:ffffc900009d76c0 EFLAGS: 00000246 [ 155.116573][ C1] RAX: 0000000000000001 RBX: 1ffff9200013aedc RCX: 1ffffffff0d1aa9c [ 155.124387][ C1] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8881f7137ed4 [ 155.132256][ C1] RBP: ffffc900009d7770 R08: dffffc0000000000 R09: ffffed103ee26fdb [ 155.140111][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 155.147921][ C1] R13: ffff8881f7137ed4 R14: 0000000000000001 R15: 1ffff9200013aee0 [ 155.155734][ C1] FS: 00007f72f43ec380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 155.165281][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 155.172777][ C1] CR2: 000000000064a110 CR3: 000000010c2fb000 CR4: 00000000003506a0 [ 155.182691][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 155.191825][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 155.200642][ C1] Call Trace: [ 155.203765][ C1] [ 155.206455][ C1] ? show_regs+0x58/0x60 [ 155.210535][ C1] ? watchdog_timer_fn+0x4b1/0x5f0 [ 155.215480][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 155.220600][ C1] ? __hrtimer_run_queues+0x41a/0xad0 [ 155.225808][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 155.230756][ C1] ? clockevents_program_event+0x22f/0x300 [ 155.236396][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 155.242298][ C1] ? hrtimer_interrupt+0x40c/0xaa0 [ 155.247246][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 155.253147][ C1] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 155.258789][ C1] [ 155.261566][ C1] [ 155.264342][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 155.270334][ C1] ? kvm_wait+0x147/0x180 [ 155.274499][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 155.279446][ C1] ? format_decode+0x72f/0x1f10 [ 155.284133][ C1] ? desc_read+0x214/0x420 [ 155.288388][ C1] __pv_queued_spin_lock_slowpath+0x41b/0xc40 [ 155.294297][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 155.300536][ C1] ? _prb_read_valid+0xb43/0xbd0 [ 155.305310][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 155.310084][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 155.315117][ C1] ? prb_read_valid+0xf0/0xf0 [ 155.319630][ C1] sock_map_delete_elem+0x99/0x130 [ 155.324577][ C1] ? syslog_print+0x8fe/0x990 [ 155.329091][ C1] bpf_prog_2c29ac5cdc6b1842+0x3a/0x41c [ 155.334482][ C1] bpf_trace_run2+0xec/0x210 [ 155.338900][ C1] ? __kasan_check_write+0x14/0x20 [ 155.343846][ C1] ? bpf_trace_run1+0x1c0/0x1c0 [ 155.348534][ C1] ? syslog_print+0x8fe/0x990 [ 155.353046][ C1] ? syslog_print+0x8fe/0x990 [ 155.357558][ C1] __bpf_trace_kfree+0x6f/0x90 [ 155.362159][ C1] ? syslog_print+0x8fe/0x990 [ 155.366670][ C1] kfree+0x1f3/0x220 [ 155.370403][ C1] ? __kasan_check_read+0x11/0x20 [ 155.375265][ C1] syslog_print+0x8fe/0x990 [ 155.379606][ C1] ? do_syslog+0x830/0x830 [ 155.383857][ C1] ? avc_has_perm_noaudit+0x430/0x430 [ 155.389066][ C1] ? cap_capable+0x1d2/0x270 [ 155.393489][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 155.398785][ C1] ? io_schedule+0x120/0x120 [ 155.403210][ C1] do_syslog+0x340/0x830 [ 155.407292][ C1] ? devkmsg_release+0x130/0x130 [ 155.412066][ C1] ? debug_smp_processor_id+0x17/0x20 [ 155.417270][ C1] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 155.423175][ C1] __x64_sys_syslog+0x7c/0x90 [ 155.428649][ C1] do_syscall_64+0x3d/0xb0 [ 155.433354][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 155.440019][ C1] RIP: 0033:0x7f72f454dfa7 [ 155.444617][ 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 [ 155.465078][ C1] RSP: 002b:00007ffd4434db68 EFLAGS: 00000206 ORIG_RAX: 0000000000000067 [ 155.474147][ C1] RAX: ffffffffffffffda RBX: 00007f72f46ec4a0 RCX: 00007f72f454dfa7 [ 155.482152][ C1] RDX: 00000000000003ff RSI: 00007f72f46ec4a0 RDI: 0000000000000002 [ 155.489960][ C1] RBP: 0000000000000000 R08: 0000000000000005 R09: 32e004e00ff99bd1 [ 155.497771][ C1] R10: 0000000000004000 R11: 0000000000000206 R12: 00007f72f46ec4a0 [ 155.505720][ C1] R13: 00007f72f46dc212 R14: 00007f72f46ec592 R15: 00007f72f46ec592 [ 155.513529][ C1]