./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2921756243 <...> Warning: Permanently added '10.128.0.161' (ED25519) to the list of known hosts. execve("./syz-executor2921756243", ["./syz-executor2921756243"], 0x7ffe8d9d3940 /* 10 vars */) = 0 brk(NULL) = 0x5555745c8000 brk(0x5555745c8d00) = 0x5555745c8d00 arch_prctl(ARCH_SET_FS, 0x5555745c8380) = 0 set_tid_address(0x5555745c8650) = 5827 set_robust_list(0x5555745c8660, 24) = 0 rseq(0x5555745c8ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2921756243", 4096) = 28 getrandom("\xff\xdf\x86\x16\x00\x66\x2f\xb7", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555745c8d00 brk(0x5555745e9d00) = 0x5555745e9d00 brk(0x5555745ea000) = 0x5555745ea000 mprotect(0x7f97ed08d000, 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 executing program 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 [ 62.500852][ T5827] ------------[ cut here ]------------ [ 62.506484][ T5827] Please remove unsupported % in format string [ 62.513157][ T5827] WARNING: CPU: 1 PID: 5827 at lib/vsprintf.c:2704 format_decode+0x1193/0x1bb0 [ 62.522191][ T5827] Modules linked in: [ 62.526139][ T5827] CPU: 1 UID: 0 PID: 5827 Comm: syz-executor292 Not tainted 6.13.0-rc3-syzkaller-gc5d2bac978c5 #0 [ 62.536760][ T5827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 62.546868][ T5827] RIP: 0010:format_decode+0x1193/0x1bb0 [ 62.552423][ T5827] Code: 1a db f5 c6 05 c2 67 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 e3 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 [ 62.572071][ T5827] RSP: 0018:ffffc90003d6f5c0 EFLAGS: 00010246 [ 62.578192][ T5827] RAX: ef443bdee7600900 RBX: 0000000000000000 RCX: ffff88807e8c8000 [ 62.586197][ T5827] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 62.594200][ T5827] RBP: ffffc90003d6f6b0 R08: ffffffff81601a42 R09: 1ffff110170e519a [ 62.602250][ T5827] R10: dffffc0000000000 R11: ffffed10170e519b R12: 1ffff920007adf1d [ 62.610263][ T5827] R13: ffffc90003d6f8ec R14: dffffc0000000000 R15: ffff0000ffffff00 [ 62.618272][ T5827] FS: 00005555745c8380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 62.627267][ T5827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.633849][ T5827] CR2: 00000000143c4388 CR3: 0000000079632000 CR4: 00000000003526f0 [ 62.641883][ T5827] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.649918][ T5827] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.657928][ T5827] Call Trace: [ 62.661215][ T5827] [ 62.664140][ T5827] ? __warn+0x165/0x4d0 [ 62.668337][ T5827] ? format_decode+0x1193/0x1bb0 [ 62.673291][ T5827] ? report_bug+0x2b3/0x500 [ 62.677844][ T5827] ? format_decode+0x1193/0x1bb0 [ 62.682822][ T5827] ? handle_bug+0x60/0x90 [ 62.687205][ T5827] ? exc_invalid_op+0x1a/0x50 [ 62.691899][ T5827] ? asm_exc_invalid_op+0x1a/0x20 [ 62.696980][ T5827] ? __warn_printk+0x292/0x360 [ 62.701765][ T5827] ? format_decode+0x1193/0x1bb0 [ 62.706771][ T5827] ? __pfx_format_decode+0x10/0x10 [ 62.711908][ T5827] ? bstr_printf+0x721/0x1210 [ 62.716629][ T5827] bstr_printf+0x137/0x1210 [ 62.721173][ T5827] ? __pfx_bstr_printf+0x10/0x10 [ 62.726159][ T5827] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 62.732528][ T5827] ? bpf_trace_printk+0x115/0x230 [ 62.737605][ T5827] bpf_trace_printk+0x1a1/0x230 [ 62.742476][ T5827] ? ktime_get+0x114/0x1f0 [ 62.746938][ T5827] ? __pfx_bpf_trace_printk+0x10/0x10 [ 62.752329][ T5827] ? ktime_get+0x114/0x1f0 [ 62.756821][ T5827] ? bpf_test_run+0x370/0xa90 [ 62.761531][ T5827] ? read_tsc+0x9/0x20 [ 62.765653][ T5827] bpf_prog_12183cdb1cd51dab+0x37/0x3b [ 62.771180][ T5827] bpf_test_run+0x4f0/0xa90 [ 62.775756][ T5827] ? bpf_test_run+0x370/0xa90 [ 62.780512][ T5827] ? __pfx_bpf_test_run+0x10/0x10 [ 62.785604][ T5827] ? __pfx_eth_type_trans+0x10/0x10 [ 62.790827][ T5827] ? convert___skb_to_skb+0x41/0x620 [ 62.796312][ T5827] bpf_prog_test_run_skb+0xcaa/0x1830 [ 62.801724][ T5827] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 62.807615][ T5827] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 62.813441][ T5827] bpf_prog_test_run+0x2e4/0x360 [ 62.818426][ T5827] __sys_bpf+0x48d/0x810 [ 62.822755][ T5827] ? __pfx___sys_bpf+0x10/0x10 [ 62.827575][ T5827] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 62.833940][ T5827] ? do_syscall_64+0x100/0x230 [ 62.838754][ T5827] __x64_sys_bpf+0x7c/0x90 [ 62.843203][ T5827] do_syscall_64+0xf3/0x230 [ 62.847748][ T5827] ? clear_bhb_loop+0x35/0x90 [ 62.852454][ T5827] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.858401][ T5827] RIP: 0033:0x7f97ed01a4e9 [ 62.862834][ T5827] 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 [ 62.882488][ T5827] RSP: 002b:00007fff01c1aea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 62.890957][ T5827] RAX: ffffffffffffffda RBX: 00007fff01c1b078 RCX: 00007f97ed01a4e9 [ 62.898970][ T5827] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 62.907001][ T5827] RBP: 00007f97ed08d610 R08: 0000000000000000 R09: 00007fff01c1b078 [ 62.914982][ T5827] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 62.922997][ T5827] R13: 00007fff01c1b068 R14: 0000000000000001 R15: 0000000000000001 [ 62.931109][ T5827] [ 62.934132][ T5827] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 62.941488][ T5827] CPU: 1 UID: 0 PID: 5827 Comm: syz-executor292 Not tainted 6.13.0-rc3-syzkaller-gc5d2bac978c5 #0 [ 62.952076][ T5827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 62.962143][ T5827] Call Trace: [ 62.965416][ T5827] [ 62.968342][ T5827] dump_stack_lvl+0x241/0x360 [ 62.973013][ T5827] ? __pfx_dump_stack_lvl+0x10/0x10 [ 62.978235][ T5827] ? __pfx__printk+0x10/0x10 [ 62.982831][ T5827] ? _printk+0xd5/0x120 [ 62.986994][ T5827] ? __init_begin+0x41000/0x41000 [ 62.992028][ T5827] ? vscnprintf+0x5d/0x90 [ 62.996374][ T5827] panic+0x349/0x880 [ 63.000274][ T5827] ? __warn+0x174/0x4d0 [ 63.004425][ T5827] ? __pfx_panic+0x10/0x10 [ 63.008842][ T5827] __warn+0x344/0x4d0 [ 63.012819][ T5827] ? format_decode+0x1193/0x1bb0 [ 63.017745][ T5827] report_bug+0x2b3/0x500 [ 63.022063][ T5827] ? format_decode+0x1193/0x1bb0 [ 63.026996][ T5827] handle_bug+0x60/0x90 [ 63.031141][ T5827] exc_invalid_op+0x1a/0x50 [ 63.035636][ T5827] asm_exc_invalid_op+0x1a/0x20 [ 63.040492][ T5827] RIP: 0010:format_decode+0x1193/0x1bb0 [ 63.046033][ T5827] Code: 1a db f5 c6 05 c2 67 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 e3 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 [ 63.065642][ T5827] RSP: 0018:ffffc90003d6f5c0 EFLAGS: 00010246 [ 63.071722][ T5827] RAX: ef443bdee7600900 RBX: 0000000000000000 RCX: ffff88807e8c8000 [ 63.079688][ T5827] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 63.087672][ T5827] RBP: ffffc90003d6f6b0 R08: ffffffff81601a42 R09: 1ffff110170e519a [ 63.095632][ T5827] R10: dffffc0000000000 R11: ffffed10170e519b R12: 1ffff920007adf1d [ 63.103595][ T5827] R13: ffffc90003d6f8ec R14: dffffc0000000000 R15: ffff0000ffffff00 [ 63.111561][ T5827] ? __warn_printk+0x292/0x360 [ 63.116335][ T5827] ? __pfx_format_decode+0x10/0x10 [ 63.121436][ T5827] ? bstr_printf+0x721/0x1210 [ 63.126102][ T5827] bstr_printf+0x137/0x1210 [ 63.130598][ T5827] ? __pfx_bstr_printf+0x10/0x10 [ 63.135523][ T5827] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 63.141841][ T5827] ? bpf_trace_printk+0x115/0x230 [ 63.146861][ T5827] bpf_trace_printk+0x1a1/0x230 [ 63.151722][ T5827] ? ktime_get+0x114/0x1f0 [ 63.156221][ T5827] ? __pfx_bpf_trace_printk+0x10/0x10 [ 63.161587][ T5827] ? ktime_get+0x114/0x1f0 [ 63.166076][ T5827] ? bpf_test_run+0x370/0xa90 [ 63.170746][ T5827] ? read_tsc+0x9/0x20 [ 63.174817][ T5827] bpf_prog_12183cdb1cd51dab+0x37/0x3b [ 63.180278][ T5827] bpf_test_run+0x4f0/0xa90 [ 63.184789][ T5827] ? bpf_test_run+0x370/0xa90 [ 63.189463][ T5827] ? __pfx_bpf_test_run+0x10/0x10 [ 63.194508][ T5827] ? __pfx_eth_type_trans+0x10/0x10 [ 63.199706][ T5827] ? convert___skb_to_skb+0x41/0x620 [ 63.204982][ T5827] bpf_prog_test_run_skb+0xcaa/0x1830 [ 63.210355][ T5827] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 63.216162][ T5827] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 63.221957][ T5827] bpf_prog_test_run+0x2e4/0x360 [ 63.226889][ T5827] __sys_bpf+0x48d/0x810 [ 63.231172][ T5827] ? __pfx___sys_bpf+0x10/0x10 [ 63.235968][ T5827] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 63.242340][ T5827] ? do_syscall_64+0x100/0x230 [ 63.247118][ T5827] __x64_sys_bpf+0x7c/0x90 [ 63.251535][ T5827] do_syscall_64+0xf3/0x230 [ 63.256057][ T5827] ? clear_bhb_loop+0x35/0x90 [ 63.260750][ T5827] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.266680][ T5827] RIP: 0033:0x7f97ed01a4e9 [ 63.271086][ T5827] 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 [ 63.290691][ T5827] RSP: 002b:00007fff01c1aea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 63.299106][ T5827] RAX: ffffffffffffffda RBX: 00007fff01c1b078 RCX: 00007f97ed01a4e9 [ 63.307157][ T5827] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 63.315131][ T5827] RBP: 00007f97ed08d610 R08: 0000000000000000 R09: 00007fff01c1b078 [ 63.323110][ T5827] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 63.331072][ T5827] R13: 00007fff01c1b068 R14: 0000000000000001 R15: 0000000000000001 [ 63.339044][ T5827] [ 63.342339][ T5827] Kernel Offset: disabled [ 63.346688][ T5827] Rebooting in 86400 seconds..