./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor83440012 <...> Warning: Permanently added '10.128.0.17' (ED25519) to the list of known hosts. execve("./syz-executor83440012", ["./syz-executor83440012"], 0x7ffc30ffc650 /* 10 vars */) = 0 brk(NULL) = 0x55556c06a000 brk(0x55556c06ad00) = 0x55556c06ad00 arch_prctl(ARCH_SET_FS, 0x55556c06a380) = 0 set_tid_address(0x55556c06a650) = 5836 set_robust_list(0x55556c06a660, 24) = 0 rseq(0x55556c06aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor83440012", 4096) = 26 getrandom("\xa1\x26\x54\x2b\x41\x23\x38\xec", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556c06ad00 brk(0x55556c08bd00) = 0x55556c08bd00 brk(0x55556c08c000) = 0x55556c08c000 mprotect(0x7f739e4a6000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 executing program 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 write(1, "executing program\n", 18) = 18 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 [ 65.629370][ T5836] ------------[ cut here ]------------ [ 65.634967][ T5836] Please remove unsupported % in format string [ 65.641767][ T5836] WARNING: CPU: 1 PID: 5836 at lib/vsprintf.c:2704 format_decode+0x1193/0x1bb0 [ 65.650783][ T5836] Modules linked in: [ 65.654697][ T5836] CPU: 1 UID: 0 PID: 5836 Comm: syz-executor834 Not tainted 6.13.0-rc2-syzkaller-g2d8308bf5b67 #0 [ 65.665537][ T5836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 65.675741][ T5836] RIP: 0010:format_decode+0x1193/0x1bb0 [ 65.681428][ T5836] Code: 15 db f5 c6 05 c2 76 3f 04 01 90 43 0f b6 04 34 84 c0 0f 85 14 0a 00 00 41 0f b6 75 00 48 c7 c7 60 df 31 8d e8 5e be 9b f5 90 <0f> 0b 90 90 e9 0e fd ff ff 48 8b 4c 24 10 80 e1 07 38 c1 0f 8c 14 [ 65.701087][ T5836] RSP: 0018:ffffc90003cbf5c0 EFLAGS: 00010246 [ 65.707161][ T5836] RAX: db9d915c95f39d00 RBX: 0000000000000000 RCX: ffff88803345da00 [ 65.715165][ T5836] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 65.723275][ T5836] RBP: ffffc90003cbf6b0 R08: ffffffff81600a42 R09: fffffbfff1cfa210 [ 65.731283][ T5836] R10: dffffc0000000000 R11: fffffbfff1cfa210 R12: 1ffff92000797f1d [ 65.739320][ T5836] R13: ffffc90003cbf8ec R14: dffffc0000000000 R15: ffff0000ffffff00 [ 65.747391][ T5836] FS: 000055556c06a380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 65.756398][ T5836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.763085][ T5836] CR2: 00005578cc4bf7c8 CR3: 0000000074348000 CR4: 00000000003526f0 [ 65.771155][ T5836] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.779176][ T5836] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.787156][ T5836] Call Trace: [ 65.790480][ T5836] [ 65.793458][ T5836] ? __warn+0x165/0x4d0 [ 65.797636][ T5836] ? format_decode+0x1193/0x1bb0 [ 65.802628][ T5836] ? report_bug+0x2b3/0x500 [ 65.807151][ T5836] ? format_decode+0x1193/0x1bb0 [ 65.812193][ T5836] ? handle_bug+0x60/0x90 [ 65.816579][ T5836] ? exc_invalid_op+0x1a/0x50 [ 65.821306][ T5836] ? asm_exc_invalid_op+0x1a/0x20 [ 65.826382][ T5836] ? __warn_printk+0x292/0x360 [ 65.831278][ T5836] ? format_decode+0x1193/0x1bb0 [ 65.836273][ T5836] ? __pfx_format_decode+0x10/0x10 [ 65.841445][ T5836] ? bstr_printf+0x721/0x1210 [ 65.846155][ T5836] bstr_printf+0x137/0x1210 [ 65.850715][ T5836] ? __pfx_bstr_printf+0x10/0x10 [ 65.855668][ T5836] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 65.862080][ T5836] ? bpf_trace_printk+0x115/0x230 [ 65.867220][ T5836] bpf_trace_printk+0x1a1/0x230 [ 65.872146][ T5836] ? ktime_get+0x114/0x1f0 [ 65.876736][ T5836] ? __pfx_bpf_trace_printk+0x10/0x10 [ 65.882309][ T5836] ? ktime_get+0x114/0x1f0 [ 65.886931][ T5836] ? bpf_test_run+0x370/0xa90 [ 65.891661][ T5836] ? read_tsc+0x9/0x20 [ 65.895936][ T5836] bpf_prog_12183cdb1cd51dab+0x37/0x3b [ 65.901470][ T5836] bpf_test_run+0x4f0/0xa90 [ 65.906012][ T5836] ? bpf_test_run+0x370/0xa90 [ 65.910741][ T5836] ? __pfx_bpf_test_run+0x10/0x10 [ 65.915789][ T5836] ? __pfx_eth_type_trans+0x10/0x10 [ 65.921047][ T5836] ? convert___skb_to_skb+0x41/0x620 [ 65.926369][ T5836] bpf_prog_test_run_skb+0xca2/0x1820 [ 65.931858][ T5836] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 65.937682][ T5836] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 65.943649][ T5836] bpf_prog_test_run+0x2e4/0x360 [ 65.948745][ T5836] __sys_bpf+0x48d/0x810 [ 65.952995][ T5836] ? __pfx___sys_bpf+0x10/0x10 [ 65.957755][ T5836] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 65.964121][ T5836] ? do_syscall_64+0x100/0x230 [ 65.968966][ T5836] __x64_sys_bpf+0x7c/0x90 [ 65.973417][ T5836] do_syscall_64+0xf3/0x230 [ 65.977924][ T5836] ? clear_bhb_loop+0x35/0x90 [ 65.982663][ T5836] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.988602][ T5836] RIP: 0033:0x7f739e4334e9 [ 65.993025][ T5836] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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 [ 66.012688][ T5836] RSP: 002b:00007fff13c2dca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 66.021236][ T5836] RAX: ffffffffffffffda RBX: 00007fff13c2de78 RCX: 00007f739e4334e9 [ 66.029265][ T5836] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 66.037249][ T5836] RBP: 00007f739e4a6610 R08: 0000000000000000 R09: 00007fff13c2de78 [ 66.045362][ T5836] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 66.053484][ T5836] R13: 00007fff13c2de68 R14: 0000000000000001 R15: 0000000000000001 [ 66.061512][ T5836] [ 66.064554][ T5836] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 66.071830][ T5836] CPU: 1 UID: 0 PID: 5836 Comm: syz-executor834 Not tainted 6.13.0-rc2-syzkaller-g2d8308bf5b67 #0 [ 66.082512][ T5836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 66.092670][ T5836] Call Trace: [ 66.095943][ T5836] [ 66.098865][ T5836] dump_stack_lvl+0x241/0x360 [ 66.103540][ T5836] ? __pfx_dump_stack_lvl+0x10/0x10 [ 66.108727][ T5836] ? __pfx__printk+0x10/0x10 [ 66.113307][ T5836] ? _printk+0xd5/0x120 [ 66.117458][ T5836] ? __init_begin+0x41000/0x41000 [ 66.122600][ T5836] ? vscnprintf+0x5d/0x90 [ 66.127110][ T5836] panic+0x349/0x880 [ 66.131007][ T5836] ? __warn+0x174/0x4d0 [ 66.135153][ T5836] ? __pfx_panic+0x10/0x10 [ 66.139620][ T5836] __warn+0x344/0x4d0 [ 66.143692][ T5836] ? format_decode+0x1193/0x1bb0 [ 66.148716][ T5836] report_bug+0x2b3/0x500 [ 66.153043][ T5836] ? format_decode+0x1193/0x1bb0 [ 66.157979][ T5836] handle_bug+0x60/0x90 [ 66.162146][ T5836] exc_invalid_op+0x1a/0x50 [ 66.166649][ T5836] asm_exc_invalid_op+0x1a/0x20 [ 66.171500][ T5836] RIP: 0010:format_decode+0x1193/0x1bb0 [ 66.177047][ T5836] Code: 15 db f5 c6 05 c2 76 3f 04 01 90 43 0f b6 04 34 84 c0 0f 85 14 0a 00 00 41 0f b6 75 00 48 c7 c7 60 df 31 8d e8 5e be 9b f5 90 <0f> 0b 90 90 e9 0e fd ff ff 48 8b 4c 24 10 80 e1 07 38 c1 0f 8c 14 [ 66.196848][ T5836] RSP: 0018:ffffc90003cbf5c0 EFLAGS: 00010246 [ 66.203087][ T5836] RAX: db9d915c95f39d00 RBX: 0000000000000000 RCX: ffff88803345da00 [ 66.211054][ T5836] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 66.219027][ T5836] RBP: ffffc90003cbf6b0 R08: ffffffff81600a42 R09: fffffbfff1cfa210 [ 66.226989][ T5836] R10: dffffc0000000000 R11: fffffbfff1cfa210 R12: 1ffff92000797f1d [ 66.234953][ T5836] R13: ffffc90003cbf8ec R14: dffffc0000000000 R15: ffff0000ffffff00 [ 66.242923][ T5836] ? __warn_printk+0x292/0x360 [ 66.247711][ T5836] ? __pfx_format_decode+0x10/0x10 [ 66.252818][ T5836] ? bstr_printf+0x721/0x1210 [ 66.257491][ T5836] bstr_printf+0x137/0x1210 [ 66.261993][ T5836] ? __pfx_bstr_printf+0x10/0x10 [ 66.266925][ T5836] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 66.273245][ T5836] ? bpf_trace_printk+0x115/0x230 [ 66.278267][ T5836] bpf_trace_printk+0x1a1/0x230 [ 66.283112][ T5836] ? ktime_get+0x114/0x1f0 [ 66.287525][ T5836] ? __pfx_bpf_trace_printk+0x10/0x10 [ 66.292912][ T5836] ? ktime_get+0x114/0x1f0 [ 66.297330][ T5836] ? bpf_test_run+0x370/0xa90 [ 66.302003][ T5836] ? read_tsc+0x9/0x20 [ 66.306069][ T5836] bpf_prog_12183cdb1cd51dab+0x37/0x3b [ 66.311554][ T5836] bpf_test_run+0x4f0/0xa90 [ 66.316053][ T5836] ? bpf_test_run+0x370/0xa90 [ 66.320730][ T5836] ? __pfx_bpf_test_run+0x10/0x10 [ 66.325763][ T5836] ? __pfx_eth_type_trans+0x10/0x10 [ 66.330963][ T5836] ? convert___skb_to_skb+0x41/0x620 [ 66.336244][ T5836] bpf_prog_test_run_skb+0xca2/0x1820 [ 66.341624][ T5836] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 66.347429][ T5836] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 66.353229][ T5836] bpf_prog_test_run+0x2e4/0x360 [ 66.358166][ T5836] __sys_bpf+0x48d/0x810 [ 66.362404][ T5836] ? __pfx___sys_bpf+0x10/0x10 [ 66.367272][ T5836] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 66.373597][ T5836] ? do_syscall_64+0x100/0x230 [ 66.378390][ T5836] __x64_sys_bpf+0x7c/0x90 [ 66.382807][ T5836] do_syscall_64+0xf3/0x230 [ 66.387309][ T5836] ? clear_bhb_loop+0x35/0x90 [ 66.391980][ T5836] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 66.397958][ T5836] RIP: 0033:0x7f739e4334e9 [ 66.402370][ T5836] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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 [ 66.421973][ T5836] RSP: 002b:00007fff13c2dca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 66.430736][ T5836] RAX: ffffffffffffffda RBX: 00007fff13c2de78 RCX: 00007f739e4334e9 [ 66.438713][ T5836] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 66.446688][ T5836] RBP: 00007f739e4a6610 R08: 0000000000000000 R09: 00007fff13c2de78 [ 66.454657][ T5836] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 66.462634][ T5836] R13: 00007fff13c2de68 R14: 0000000000000001 R15: 0000000000000001 [ 66.470609][ T5836] [ 66.473933][ T5836] Kernel Offset: disabled [ 66.478275][ T5836] Rebooting in 86400 seconds..