./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1994309174 <...> Warning: Permanently added '10.128.0.165' (ED25519) to the list of known hosts. execve("./syz-executor1994309174", ["./syz-executor1994309174"], 0x7ffc1acb29c0 /* 10 vars */) = 0 brk(NULL) = 0x55558936b000 brk(0x55558936bd00) = 0x55558936bd00 arch_prctl(ARCH_SET_FS, 0x55558936b380) = 0 set_tid_address(0x55558936b650) = 5076 set_robust_list(0x55558936b660, 24) = 0 rseq(0x55558936bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1994309174", 4096) = 28 getrandom("\x60\x0f\x7a\xc7\x87\x26\x6c\x51", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558936bd00 brk(0x55558938cd00) = 0x55558938cd00 brk(0x55558938d000) = 0x55558938d000 mprotect(0x7faa7b09a000, 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=0x55558936b650) = 5077 ./strace-static-x86_64: Process 5077 attached [pid 5077] set_robust_list(0x55558936b660, 24) = 0 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5077] setpgid(0, 0) = 0 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1000", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=8, insns=0x20001000, 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}, 72) = 3 [ 108.515409][ T5077] ------------[ cut here ]------------ [ 108.521077][ T5077] Please remove unsupported % in format string [ 108.529428][ T5077] WARNING: CPU: 1 PID: 5077 at lib/vsprintf.c:2680 format_decode+0xa07/0xba0 [ 108.538320][ T5077] Modules linked in: [ 108.542241][ T5077] CPU: 1 PID: 5077 Comm: syz-executor199 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 108.552402][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 108.562542][ T5077] RIP: 0010:format_decode+0xa07/0xba0 [ 108.567999][ T5077] Code: f6 41 c6 44 24 05 08 e9 c4 fa ff ff e8 f2 a3 c9 f6 c6 05 8b 52 c4 04 01 90 48 c7 c7 60 a5 5b 8c 40 0f b6 f5 e8 fa 59 8c f6 90 <0f> 0b 90 90 e9 17 fc ff ff 48 8b 3c 24 e8 a7 85 24 f7 e9 0f f7 ff [ 108.587745][ T5077] RSP: 0018:ffffc900040ef780 EFLAGS: 00010286 [ 108.593847][ T5077] RAX: 0000000000000000 RBX: ffffc900040ef9f4 RCX: ffffffff8150f3e9 [ 108.601904][ T5077] RDX: ffff888021b41e00 RSI: ffffffff8150f3f6 RDI: 0000000000000001 [ 108.609964][ T5077] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 108.618020][ T5077] R10: 0000000000000000 R11: 0000000000000001 R12: ffffc900040ef880 [ 108.626080][ T5077] R13: 0000000000000000 R14: 0000000000000000 R15: 00000000ffffffd0 [ 108.634070][ T5077] FS: 000055558936b380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 108.643088][ T5077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.649749][ T5077] CR2: 00007faa7b09e0d0 CR3: 00000000774ac000 CR4: 0000000000350ef0 [ 108.657798][ T5077] Call Trace: [ 108.661109][ T5077] [ 108.664050][ T5077] ? show_regs+0x8c/0xa0 [ 108.668375][ T5077] ? __warn+0xe5/0x390 [ 108.672540][ T5077] ? __wake_up_klogd.part.0+0x99/0xf0 [ 108.678013][ T5077] ? format_decode+0xa07/0xba0 [ 108.682842][ T5077] ? report_bug+0x3c0/0x580 [ 108.687434][ T5077] ? handle_bug+0x3d/0x70 [ 108.691819][ T5077] ? exc_invalid_op+0x17/0x50 [ 108.696590][ T5077] ? asm_exc_invalid_op+0x1a/0x20 [ 108.701737][ T5077] ? __warn_printk+0x199/0x350 [ 108.706581][ T5077] ? __warn_printk+0x1a6/0x350 [ 108.711407][ T5077] ? format_decode+0xa07/0xba0 [ 108.716265][ T5077] ? __pfx_format_decode+0x10/0x10 [ 108.721441][ T5077] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 108.727430][ T5077] ? srso_return_thunk+0x5/0x5f [ 108.732368][ T5077] ? bpf_bprintf_prepare+0x5ea/0x1490 [ 108.737839][ T5077] bstr_printf+0x137/0x1090 [ 108.742412][ T5077] ? __pfx_bstr_printf+0x10/0x10 [ 108.747470][ T5077] ? bpf_test_run+0x396/0x9e0 [ 108.752222][ T5077] bpf_trace_printk+0x10b/0x190 [ 108.757170][ T5077] ? __pfx_bpf_trace_printk+0x10/0x10 [ 108.762638][ T5077] ? bpf_test_run+0x396/0x9e0 [ 108.767406][ T5077] ? lockdep_hardirqs_on+0x7c/0x110 [ 108.772698][ T5077] ? srso_return_thunk+0x5/0x5f [ 108.777653][ T5077] ? ktime_get+0x2a5/0x4a0 [ 108.782191][ T5077] bpf_prog_12183cdb1cd51dab+0x36/0x3e [ 108.787747][ T5077] bpf_test_run+0x3e5/0x9e0 [ 108.792344][ T5077] ? __pfx_bpf_test_run+0x10/0x10 [ 108.797473][ T5077] ? srso_return_thunk+0x5/0x5f [ 108.802410][ T5077] ? kasan_save_track+0x14/0x30 [ 108.807413][ T5077] ? srso_return_thunk+0x5/0x5f [ 108.812423][ T5077] ? eth_type_trans+0x2b2/0x680 [ 108.817417][ T5077] ? srso_return_thunk+0x5/0x5f [ 108.822413][ T5077] ? krealloc+0xa7/0x100 [ 108.826773][ T5077] ? srso_return_thunk+0x5/0x5f [ 108.831748][ T5077] bpf_prog_test_run_skb+0xb17/0x1db0 [ 108.837239][ T5077] ? __x86_indirect_jump_thunk_r11+0x20/0x20 [ 108.843332][ T5077] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 108.849254][ T5077] ? srso_return_thunk+0x5/0x5f [ 108.854207][ T5077] ? srso_return_thunk+0x5/0x5f [ 108.859149][ T5077] ? __fget_light+0x176/0x210 [ 108.863902][ T5077] ? srso_return_thunk+0x5/0x5f [ 108.868860][ T5077] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 108.874814][ T5077] __sys_bpf+0xd59/0x4b40 [ 108.879189][ T5077] ? __pfx_lock_acquire+0x10/0x10 [ 108.884241][ T5077] ? ptrace_stop.part.0+0x44a/0x940 [ 108.889546][ T5077] ? __pfx___sys_bpf+0x10/0x10 [ 108.894398][ T5077] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 108.899874][ T5077] ? cgroup_update_frozen+0x144/0x6b0 [ 108.905369][ T5077] ? srso_return_thunk+0x5/0x5f [ 108.910281][ T5077] ? _raw_spin_unlock_irq+0x23/0x50 [ 108.915558][ T5077] ? srso_return_thunk+0x5/0x5f [ 108.920492][ T5077] ? lockdep_hardirqs_on+0x7c/0x110 [ 108.925809][ T5077] __x64_sys_bpf+0x78/0xc0 [ 108.930310][ T5077] do_syscall_64+0xd5/0x260 [ 108.934915][ T5077] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 108.940882][ T5077] RIP: 0033:0x7faa7b027bb9 [ 108.945389][ T5077] 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 [ 108.965077][ T5077] RSP: 002b:00007ffc7342f908 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 108.973526][ T5077] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa7b027bb9 [ 108.981597][ T5077] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 108.989631][ T5077] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 108.997677][ T5077] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 109.005740][ T5077] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 109.013760][ T5077] [ 109.016850][ T5077] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 109.024180][ T5077] CPU: 1 PID: 5077 Comm: syz-executor199 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 109.034277][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 109.044373][ T5077] Call Trace: [ 109.047668][ T5077] [ 109.050635][ T5077] dump_stack_lvl+0x3d/0x1f0 [ 109.055272][ T5077] panic+0x6f5/0x7a0 [ 109.059233][ T5077] ? __pfx_panic+0x10/0x10 [ 109.063672][ T5077] ? srso_return_thunk+0x5/0x5f [ 109.068570][ T5077] ? show_trace_log_lvl+0x363/0x500 [ 109.073845][ T5077] ? check_panic_on_warn+0x1f/0xb0 [ 109.078998][ T5077] ? format_decode+0xa07/0xba0 [ 109.083799][ T5077] check_panic_on_warn+0xab/0xb0 [ 109.088779][ T5077] __warn+0xf1/0x390 [ 109.092703][ T5077] ? __wake_up_klogd.part.0+0x99/0xf0 [ 109.098116][ T5077] ? format_decode+0xa07/0xba0 [ 109.102906][ T5077] report_bug+0x3c0/0x580 [ 109.107267][ T5077] handle_bug+0x3d/0x70 [ 109.111444][ T5077] exc_invalid_op+0x17/0x50 [ 109.115971][ T5077] asm_exc_invalid_op+0x1a/0x20 [ 109.120871][ T5077] RIP: 0010:format_decode+0xa07/0xba0 [ 109.126280][ T5077] Code: f6 41 c6 44 24 05 08 e9 c4 fa ff ff e8 f2 a3 c9 f6 c6 05 8b 52 c4 04 01 90 48 c7 c7 60 a5 5b 8c 40 0f b6 f5 e8 fa 59 8c f6 90 <0f> 0b 90 90 e9 17 fc ff ff 48 8b 3c 24 e8 a7 85 24 f7 e9 0f f7 ff [ 109.146015][ T5077] RSP: 0018:ffffc900040ef780 EFLAGS: 00010286 [ 109.152178][ T5077] RAX: 0000000000000000 RBX: ffffc900040ef9f4 RCX: ffffffff8150f3e9 [ 109.160189][ T5077] RDX: ffff888021b41e00 RSI: ffffffff8150f3f6 RDI: 0000000000000001 [ 109.168194][ T5077] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 109.176179][ T5077] R10: 0000000000000000 R11: 0000000000000001 R12: ffffc900040ef880 [ 109.184166][ T5077] R13: 0000000000000000 R14: 0000000000000000 R15: 00000000ffffffd0 [ 109.192195][ T5077] ? __warn_printk+0x199/0x350 [ 109.196988][ T5077] ? __warn_printk+0x1a6/0x350 [ 109.201807][ T5077] ? __pfx_format_decode+0x10/0x10 [ 109.206956][ T5077] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 109.212886][ T5077] ? srso_return_thunk+0x5/0x5f [ 109.217828][ T5077] ? bpf_bprintf_prepare+0x5ea/0x1490 [ 109.223267][ T5077] bstr_printf+0x137/0x1090 [ 109.227866][ T5077] ? __pfx_bstr_printf+0x10/0x10 [ 109.232875][ T5077] ? bpf_test_run+0x396/0x9e0 [ 109.237649][ T5077] bpf_trace_printk+0x10b/0x190 [ 109.242539][ T5077] ? __pfx_bpf_trace_printk+0x10/0x10 [ 109.247947][ T5077] ? bpf_test_run+0x396/0x9e0 [ 109.252669][ T5077] ? lockdep_hardirqs_on+0x7c/0x110 [ 109.257951][ T5077] ? srso_return_thunk+0x5/0x5f [ 109.262855][ T5077] ? ktime_get+0x2a5/0x4a0 [ 109.267361][ T5077] bpf_prog_12183cdb1cd51dab+0x36/0x3e [ 109.272855][ T5077] bpf_test_run+0x3e5/0x9e0 [ 109.277444][ T5077] ? __pfx_bpf_test_run+0x10/0x10 [ 109.282613][ T5077] ? srso_return_thunk+0x5/0x5f [ 109.287515][ T5077] ? kasan_save_track+0x14/0x30 [ 109.292414][ T5077] ? srso_return_thunk+0x5/0x5f [ 109.297304][ T5077] ? eth_type_trans+0x2b2/0x680 [ 109.302227][ T5077] ? srso_return_thunk+0x5/0x5f [ 109.307227][ T5077] ? krealloc+0xa7/0x100 [ 109.311501][ T5077] ? srso_return_thunk+0x5/0x5f [ 109.316407][ T5077] bpf_prog_test_run_skb+0xb17/0x1db0 [ 109.321843][ T5077] ? __x86_indirect_jump_thunk_r11+0x20/0x20 [ 109.327913][ T5077] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 109.333796][ T5077] ? srso_return_thunk+0x5/0x5f [ 109.338732][ T5077] ? srso_return_thunk+0x5/0x5f [ 109.343629][ T5077] ? __fget_light+0x176/0x210 [ 109.348341][ T5077] ? srso_return_thunk+0x5/0x5f [ 109.353228][ T5077] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 109.359076][ T5077] __sys_bpf+0xd59/0x4b40 [ 109.363466][ T5077] ? __pfx_lock_acquire+0x10/0x10 [ 109.368544][ T5077] ? ptrace_stop.part.0+0x44a/0x940 [ 109.373788][ T5077] ? __pfx___sys_bpf+0x10/0x10 [ 109.378602][ T5077] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 109.384004][ T5077] ? cgroup_update_frozen+0x144/0x6b0 [ 109.389436][ T5077] ? srso_return_thunk+0x5/0x5f [ 109.394353][ T5077] ? _raw_spin_unlock_irq+0x23/0x50 [ 109.399599][ T5077] ? srso_return_thunk+0x5/0x5f [ 109.404513][ T5077] ? lockdep_hardirqs_on+0x7c/0x110 [ 109.409784][ T5077] __x64_sys_bpf+0x78/0xc0 [ 109.414255][ T5077] do_syscall_64+0xd5/0x260 [ 109.418833][ T5077] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 109.424830][ T5077] RIP: 0033:0x7faa7b027bb9 [ 109.429276][ T5077] 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 [ 109.448904][ T5077] RSP: 002b:00007ffc7342f908 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 109.457359][ T5077] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa7b027bb9 [ 109.465347][ T5077] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 109.473341][ T5077] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 109.481345][ T5077] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 109.489345][ T5077] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 109.497370][ T5077] [ 109.500788][ T5077] Kernel Offset: disabled [ 109.505163][ T5077] Rebooting in 86400 seconds..