./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1894688143 <...> Warning: Permanently added '10.128.10.29' (ED25519) to the list of known hosts. execve("./syz-executor1894688143", ["./syz-executor1894688143"], 0x7ffd65fb5690 /* 10 vars */) = 0 brk(NULL) = 0x55556702a000 brk(0x55556702ad00) = 0x55556702ad00 arch_prctl(ARCH_SET_FS, 0x55556702a380) = 0 set_tid_address(0x55556702a650) = 5836 set_robust_list(0x55556702a660, 24) = 0 rseq(0x55556702aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1894688143", 4096) = 28 getrandom("\xea\xf6\xe5\xc2\xae\xb0\x95\x2a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556702ad00 brk(0x55556704bd00) = 0x55556704bd00 brk(0x55556704c000) = 0x55556704c000 mprotect(0x7f6a0f97a000, 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 write(1, "executing program\n", 18executing program ) = 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 syzkaller login: [ 58.781453][ T5836] ------------[ cut here ]------------ [ 58.786988][ T5836] Please remove unsupported % in format string [ 58.793848][ T5836] WARNING: CPU: 0 PID: 5836 at lib/vsprintf.c:2704 format_decode+0x1193/0x1bb0 [ 58.802850][ T5836] Modules linked in: [ 58.806746][ T5836] CPU: 0 UID: 0 PID: 5836 Comm: syz-executor189 Not tainted 6.13.0-rc2-syzkaller-g2d8308bf5b67 #0 [ 58.817359][ T5836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 58.827445][ T5836] RIP: 0010:format_decode+0x1193/0x1bb0 [ 58.832979][ 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 [ 58.852604][ T5836] RSP: 0018:ffffc90003daf5c0 EFLAGS: 00010246 [ 58.858703][ T5836] RAX: fdde45f09bafec00 RBX: 0000000000000000 RCX: ffff888035191e00 [ 58.866659][ T5836] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 58.874649][ T5836] RBP: ffffc90003daf6b0 R08: ffffffff81600a42 R09: fffffbfff1cfa210 [ 58.882642][ T5836] R10: dffffc0000000000 R11: fffffbfff1cfa210 R12: 1ffff920007b5f1d [ 58.890632][ T5836] R13: ffffc90003daf8ec R14: dffffc0000000000 R15: ffff0000ffffff00 [ 58.899225][ T5836] FS: 000055556702a380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 58.908386][ T5836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.915001][ T5836] CR2: 0000556f9c5b3000 CR3: 0000000035180000 CR4: 00000000003526f0 [ 58.923027][ T5836] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.931027][ T5836] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.939022][ T5836] Call Trace: [ 58.942308][ T5836] [ 58.945233][ T5836] ? __warn+0x165/0x4d0 [ 58.949418][ T5836] ? format_decode+0x1193/0x1bb0 [ 58.954386][ T5836] ? report_bug+0x2b3/0x500 [ 58.958921][ T5836] ? format_decode+0x1193/0x1bb0 [ 58.963871][ T5836] ? handle_bug+0x60/0x90 [ 58.968222][ T5836] ? exc_invalid_op+0x1a/0x50 [ 58.972906][ T5836] ? asm_exc_invalid_op+0x1a/0x20 [ 58.977969][ T5836] ? __warn_printk+0x292/0x360 [ 58.982743][ T5836] ? format_decode+0x1193/0x1bb0 [ 58.987718][ T5836] ? __pfx_format_decode+0x10/0x10 [ 58.992838][ T5836] ? bstr_printf+0x721/0x1210 [ 58.997564][ T5836] bstr_printf+0x137/0x1210 [ 59.002258][ T5836] ? __pfx_bstr_printf+0x10/0x10 [ 59.007187][ T5836] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 59.013549][ T5836] ? bpf_trace_printk+0x115/0x230 [ 59.018610][ T5836] bpf_trace_printk+0x1a1/0x230 [ 59.023472][ T5836] ? ktime_get+0x114/0x1f0 [ 59.027939][ T5836] ? __pfx_bpf_trace_printk+0x10/0x10 [ 59.033325][ T5836] ? ktime_get+0x114/0x1f0 [ 59.037777][ T5836] ? bpf_test_run+0x370/0xa90 [ 59.042473][ T5836] ? read_tsc+0x9/0x20 [ 59.046536][ T5836] bpf_prog_12183cdb1cd51dab+0x37/0x3b [ 59.052029][ T5836] bpf_test_run+0x4f0/0xa90 [ 59.056544][ T5836] ? bpf_test_run+0x370/0xa90 [ 59.061255][ T5836] ? __pfx_bpf_test_run+0x10/0x10 [ 59.066298][ T5836] ? __pfx_eth_type_trans+0x10/0x10 [ 59.071540][ T5836] ? convert___skb_to_skb+0x41/0x620 [ 59.076835][ T5836] bpf_prog_test_run_skb+0xca2/0x1820 [ 59.082252][ T5836] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 59.088109][ T5836] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 59.093904][ T5836] bpf_prog_test_run+0x2e4/0x360 [ 59.098893][ T5836] __sys_bpf+0x48d/0x810 [ 59.103152][ T5836] ? __pfx___sys_bpf+0x10/0x10 [ 59.107963][ T5836] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 59.114297][ T5836] ? do_syscall_64+0x100/0x230 [ 59.119093][ T5836] __x64_sys_bpf+0x7c/0x90 [ 59.123521][ T5836] do_syscall_64+0xf3/0x230 [ 59.128056][ T5836] ? clear_bhb_loop+0x35/0x90 [ 59.132740][ T5836] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.138667][ T5836] RIP: 0033:0x7f6a0f9074e9 [ 59.143088][ 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 [ 59.162732][ T5836] RSP: 002b:00007fff77c11448 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 59.171177][ T5836] RAX: ffffffffffffffda RBX: 00007fff77c11618 RCX: 00007f6a0f9074e9 [ 59.179169][ T5836] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 59.187146][ T5836] RBP: 00007f6a0f97a610 R08: 0000000000000000 R09: 00007fff77c11618 [ 59.195149][ T5836] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 59.203151][ T5836] R13: 00007fff77c11608 R14: 0000000000000001 R15: 0000000000000001 [ 59.211169][ T5836] [ 59.214213][ T5836] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 59.221500][ T5836] CPU: 0 UID: 0 PID: 5836 Comm: syz-executor189 Not tainted 6.13.0-rc2-syzkaller-g2d8308bf5b67 #0 [ 59.232076][ T5836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 59.242123][ T5836] Call Trace: [ 59.245395][ T5836] [ 59.248314][ T5836] dump_stack_lvl+0x241/0x360 [ 59.252986][ T5836] ? __pfx_dump_stack_lvl+0x10/0x10 [ 59.258171][ T5836] ? __pfx__printk+0x10/0x10 [ 59.262744][ T5836] ? _printk+0xd5/0x120 [ 59.266883][ T5836] ? __init_begin+0x41000/0x41000 [ 59.271895][ T5836] ? vscnprintf+0x5d/0x90 [ 59.276211][ T5836] panic+0x349/0x880 [ 59.280091][ T5836] ? __warn+0x174/0x4d0 [ 59.284231][ T5836] ? __pfx_panic+0x10/0x10 [ 59.288653][ T5836] __warn+0x344/0x4d0 [ 59.292617][ T5836] ? format_decode+0x1193/0x1bb0 [ 59.297538][ T5836] report_bug+0x2b3/0x500 [ 59.301854][ T5836] ? format_decode+0x1193/0x1bb0 [ 59.306781][ T5836] handle_bug+0x60/0x90 [ 59.310932][ T5836] exc_invalid_op+0x1a/0x50 [ 59.315421][ T5836] asm_exc_invalid_op+0x1a/0x20 [ 59.320256][ T5836] RIP: 0010:format_decode+0x1193/0x1bb0 [ 59.325800][ 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 [ 59.345391][ T5836] RSP: 0018:ffffc90003daf5c0 EFLAGS: 00010246 [ 59.351455][ T5836] RAX: fdde45f09bafec00 RBX: 0000000000000000 RCX: ffff888035191e00 [ 59.359413][ T5836] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.367384][ T5836] RBP: ffffc90003daf6b0 R08: ffffffff81600a42 R09: fffffbfff1cfa210 [ 59.375339][ T5836] R10: dffffc0000000000 R11: fffffbfff1cfa210 R12: 1ffff920007b5f1d [ 59.383291][ T5836] R13: ffffc90003daf8ec R14: dffffc0000000000 R15: ffff0000ffffff00 [ 59.391250][ T5836] ? __warn_printk+0x292/0x360 [ 59.396009][ T5836] ? __pfx_format_decode+0x10/0x10 [ 59.401124][ T5836] ? bstr_printf+0x721/0x1210 [ 59.405790][ T5836] bstr_printf+0x137/0x1210 [ 59.410296][ T5836] ? __pfx_bstr_printf+0x10/0x10 [ 59.415215][ T5836] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 59.421527][ T5836] ? bpf_trace_printk+0x115/0x230 [ 59.426549][ T5836] bpf_trace_printk+0x1a1/0x230 [ 59.431386][ T5836] ? ktime_get+0x114/0x1f0 [ 59.435786][ T5836] ? __pfx_bpf_trace_printk+0x10/0x10 [ 59.441143][ T5836] ? ktime_get+0x114/0x1f0 [ 59.445542][ T5836] ? bpf_test_run+0x370/0xa90 [ 59.450293][ T5836] ? read_tsc+0x9/0x20 [ 59.454344][ T5836] bpf_prog_12183cdb1cd51dab+0x37/0x3b [ 59.459786][ T5836] bpf_test_run+0x4f0/0xa90 [ 59.464272][ T5836] ? bpf_test_run+0x370/0xa90 [ 59.468948][ T5836] ? __pfx_bpf_test_run+0x10/0x10 [ 59.473962][ T5836] ? __pfx_eth_type_trans+0x10/0x10 [ 59.479145][ T5836] ? convert___skb_to_skb+0x41/0x620 [ 59.484423][ T5836] bpf_prog_test_run_skb+0xca2/0x1820 [ 59.489786][ T5836] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 59.495585][ T5836] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 59.501463][ T5836] bpf_prog_test_run+0x2e4/0x360 [ 59.506417][ T5836] __sys_bpf+0x48d/0x810 [ 59.510670][ T5836] ? __pfx___sys_bpf+0x10/0x10 [ 59.515425][ T5836] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 59.521740][ T5836] ? do_syscall_64+0x100/0x230 [ 59.526516][ T5836] __x64_sys_bpf+0x7c/0x90 [ 59.530933][ T5836] do_syscall_64+0xf3/0x230 [ 59.535422][ T5836] ? clear_bhb_loop+0x35/0x90 [ 59.540083][ T5836] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.545963][ T5836] RIP: 0033:0x7f6a0f9074e9 [ 59.550362][ 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 [ 59.569952][ T5836] RSP: 002b:00007fff77c11448 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 59.578353][ T5836] RAX: ffffffffffffffda RBX: 00007fff77c11618 RCX: 00007f6a0f9074e9 [ 59.586309][ T5836] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 59.594264][ T5836] RBP: 00007f6a0f97a610 R08: 0000000000000000 R09: 00007fff77c11618 [ 59.602223][ T5836] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 59.610270][ T5836] R13: 00007fff77c11608 R14: 0000000000000001 R15: 0000000000000001 [ 59.618239][ T5836] [ 59.621527][ T5836] Kernel Offset: disabled [ 59.625873][ T5836] Rebooting in 86400 seconds..