./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1412660488 <...> Warning: Permanently added '10.128.1.18' (ED25519) to the list of known hosts. execve("./syz-executor1412660488", ["./syz-executor1412660488"], 0x7fff903f1bf0 /* 10 vars */) = 0 brk(NULL) = 0x555587bd7000 brk(0x555587bd7d00) = 0x555587bd7d00 arch_prctl(ARCH_SET_FS, 0x555587bd7380) = 0 set_tid_address(0x555587bd7650) = 5828 set_robust_list(0x555587bd7660, 24) = 0 rseq(0x555587bd7ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1412660488", 4096) = 28 getrandom("\x43\x4a\x93\xeb\x9f\x29\xbf\xa4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555587bd7d00 brk(0x555587bf8d00) = 0x555587bf8d00 brk(0x555587bf9000) = 0x555587bf9000 mprotect(0x7f01176b2000, 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 executing program 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 [ 58.185343][ T5828] ------------[ cut here ]------------ [ 58.190862][ T5828] Please remove unsupported % in format string [ 58.197792][ T5828] WARNING: CPU: 1 PID: 5828 at lib/vsprintf.c:2659 format_decode+0x1193/0x1bb0 [ 58.206848][ T5828] Modules linked in: [ 58.210767][ T5828] CPU: 1 UID: 0 PID: 5828 Comm: syz-executor141 Not tainted 6.12.0-rc5-syzkaller-00047-g4236f913808c #0 [ 58.221908][ T5828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 58.232012][ T5828] RIP: 0010:format_decode+0x1193/0x1bb0 [ 58.237626][ T5828] Code: 32 dd f5 c6 05 97 0a 4e 04 01 90 43 0f b6 04 34 84 c0 0f 85 14 0a 00 00 41 0f b6 75 00 48 c7 c7 e0 ac 34 8d e8 5e 27 9e f5 90 <0f> 0b 90 90 e9 0e fd ff ff 48 8b 4c 24 10 80 e1 07 38 c1 0f 8c 14 [ 58.257300][ T5828] RSP: 0018:ffffc9000352f5c0 EFLAGS: 00010246 [ 58.263384][ T5828] RAX: 580c49842822cf00 RBX: 0000000000000000 RCX: ffff88807d5a0000 [ 58.271408][ T5828] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 58.279425][ T5828] RBP: ffffc9000352f6b0 R08: ffffffff8155d162 R09: fffffbfff1cf9fd0 [ 58.287482][ T5828] R10: dffffc0000000000 R11: fffffbfff1cf9fd0 R12: 1ffff920006a5f1d [ 58.295487][ T5828] R13: ffffc9000352f8ec R14: dffffc0000000000 R15: ffff0000ffffff00 [ 58.303446][ T5828] FS: 0000555587bd7380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 58.312403][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.319019][ T5828] CR2: 0000000020001000 CR3: 000000003414a000 CR4: 00000000003526f0 [ 58.327023][ T5828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.335072][ T5828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.343047][ T5828] Call Trace: [ 58.346369][ T5828] [ 58.349306][ T5828] ? __warn+0x168/0x4e0 [ 58.353478][ T5828] ? format_decode+0x1193/0x1bb0 [ 58.358480][ T5828] ? report_bug+0x2b3/0x500 [ 58.363003][ T5828] ? format_decode+0x1193/0x1bb0 [ 58.367998][ T5828] ? handle_bug+0x60/0x90 [ 58.372355][ T5828] ? exc_invalid_op+0x1a/0x50 [ 58.377086][ T5828] ? asm_exc_invalid_op+0x1a/0x20 [ 58.382123][ T5828] ? __warn_printk+0x292/0x360 [ 58.386953][ T5828] ? format_decode+0x1193/0x1bb0 [ 58.391908][ T5828] ? __pfx_format_decode+0x10/0x10 [ 58.397084][ T5828] ? bstr_printf+0x721/0x1210 [ 58.401777][ T5828] bstr_printf+0x137/0x1210 [ 58.406316][ T5828] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 58.412667][ T5828] ? __pfx_bstr_printf+0x10/0x10 [ 58.417641][ T5828] ? timekeeping_get_ns+0x5c/0x420 [ 58.422764][ T5828] ? lockdep_hardirqs_on+0x99/0x150 [ 58.428040][ T5828] ? bpf_trace_printk+0x115/0x230 [ 58.433092][ T5828] bpf_trace_printk+0x1a1/0x230 [ 58.438028][ T5828] ? timekeeping_get_ns+0x2b1/0x420 [ 58.443242][ T5828] ? __pfx_bpf_trace_printk+0x10/0x10 [ 58.448653][ T5828] ? timekeeping_get_ns+0x2b1/0x420 [ 58.453871][ T5828] ? bpf_test_run+0x370/0xa90 [ 58.458631][ T5828] bpf_prog_12183cdb1cd51dab+0x37/0x3b [ 58.464142][ T5828] bpf_test_run+0x4f0/0xa90 [ 58.468695][ T5828] ? do_syscall_64+0xf3/0x230 [ 58.473370][ T5828] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.479469][ T5828] ? bpf_test_run+0x370/0xa90 [ 58.484226][ T5828] ? __pfx_bpf_test_run+0x10/0x10 [ 58.489264][ T5828] ? eth_type_trans+0x3d1/0x7a0 [ 58.494166][ T5828] ? __pfx_eth_type_trans+0x10/0x10 [ 58.499388][ T5828] ? convert___skb_to_skb+0x41/0x620 [ 58.504727][ T5828] bpf_prog_test_run_skb+0xc97/0x1820 [ 58.510142][ T5828] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 58.515980][ T5828] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 58.521794][ T5828] bpf_prog_test_run+0x2e4/0x360 [ 58.526771][ T5828] __sys_bpf+0x48d/0x810 [ 58.531046][ T5828] ? __pfx___sys_bpf+0x10/0x10 [ 58.535865][ T5828] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 58.542216][ T5828] ? do_syscall_64+0x100/0x230 [ 58.547028][ T5828] __x64_sys_bpf+0x7c/0x90 [ 58.551453][ T5828] do_syscall_64+0xf3/0x230 [ 58.556005][ T5828] ? clear_bhb_loop+0x35/0x90 [ 58.560702][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.566626][ T5828] RIP: 0033:0x7f011763f4e9 [ 58.571074][ T5828] 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 [ 58.590726][ T5828] RSP: 002b:00007ffdfb3cfcf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 58.599202][ T5828] RAX: ffffffffffffffda RBX: 00007ffdfb3cfec8 RCX: 00007f011763f4e9 [ 58.607198][ T5828] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 58.615200][ T5828] RBP: 00007f01176b2610 R08: 0000000000000000 R09: 00007ffdfb3cfec8 [ 58.623161][ T5828] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 58.631182][ T5828] R13: 00007ffdfb3cfeb8 R14: 0000000000000001 R15: 0000000000000001 [ 58.639229][ T5828] [ 58.642269][ T5828] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 58.649590][ T5828] CPU: 1 UID: 0 PID: 5828 Comm: syz-executor141 Not tainted 6.12.0-rc5-syzkaller-00047-g4236f913808c #0 [ 58.660687][ T5828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 58.670738][ T5828] Call Trace: [ 58.674010][ T5828] [ 58.676933][ T5828] dump_stack_lvl+0x241/0x360 [ 58.681608][ T5828] ? __pfx_dump_stack_lvl+0x10/0x10 [ 58.686799][ T5828] ? __pfx__printk+0x10/0x10 [ 58.691387][ T5828] ? vscnprintf+0x5d/0x90 [ 58.695716][ T5828] panic+0x349/0x880 [ 58.699611][ T5828] ? __warn+0x177/0x4e0 [ 58.703763][ T5828] ? __pfx_panic+0x10/0x10 [ 58.708183][ T5828] __warn+0x34b/0x4e0 [ 58.712158][ T5828] ? format_decode+0x1193/0x1bb0 [ 58.717091][ T5828] report_bug+0x2b3/0x500 [ 58.721456][ T5828] ? format_decode+0x1193/0x1bb0 [ 58.726393][ T5828] handle_bug+0x60/0x90 [ 58.730564][ T5828] exc_invalid_op+0x1a/0x50 [ 58.735061][ T5828] asm_exc_invalid_op+0x1a/0x20 [ 58.739930][ T5828] RIP: 0010:format_decode+0x1193/0x1bb0 [ 58.745506][ T5828] Code: 32 dd f5 c6 05 97 0a 4e 04 01 90 43 0f b6 04 34 84 c0 0f 85 14 0a 00 00 41 0f b6 75 00 48 c7 c7 e0 ac 34 8d e8 5e 27 9e f5 90 <0f> 0b 90 90 e9 0e fd ff ff 48 8b 4c 24 10 80 e1 07 38 c1 0f 8c 14 [ 58.765102][ T5828] RSP: 0018:ffffc9000352f5c0 EFLAGS: 00010246 [ 58.771163][ T5828] RAX: 580c49842822cf00 RBX: 0000000000000000 RCX: ffff88807d5a0000 [ 58.779127][ T5828] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 58.787088][ T5828] RBP: ffffc9000352f6b0 R08: ffffffff8155d162 R09: fffffbfff1cf9fd0 [ 58.795052][ T5828] R10: dffffc0000000000 R11: fffffbfff1cf9fd0 R12: 1ffff920006a5f1d [ 58.803017][ T5828] R13: ffffc9000352f8ec R14: dffffc0000000000 R15: ffff0000ffffff00 [ 58.810985][ T5828] ? __warn_printk+0x292/0x360 [ 58.815760][ T5828] ? __pfx_format_decode+0x10/0x10 [ 58.820872][ T5828] ? bstr_printf+0x721/0x1210 [ 58.825549][ T5828] bstr_printf+0x137/0x1210 [ 58.830048][ T5828] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 58.836373][ T5828] ? __pfx_bstr_printf+0x10/0x10 [ 58.841305][ T5828] ? timekeeping_get_ns+0x5c/0x420 [ 58.846417][ T5828] ? lockdep_hardirqs_on+0x99/0x150 [ 58.851605][ T5828] ? bpf_trace_printk+0x115/0x230 [ 58.856630][ T5828] bpf_trace_printk+0x1a1/0x230 [ 58.861475][ T5828] ? timekeeping_get_ns+0x2b1/0x420 [ 58.866670][ T5828] ? __pfx_bpf_trace_printk+0x10/0x10 [ 58.872035][ T5828] ? timekeeping_get_ns+0x2b1/0x420 [ 58.877229][ T5828] ? bpf_test_run+0x370/0xa90 [ 58.881926][ T5828] bpf_prog_12183cdb1cd51dab+0x37/0x3b [ 58.887387][ T5828] bpf_test_run+0x4f0/0xa90 [ 58.891919][ T5828] ? do_syscall_64+0xf3/0x230 [ 58.896591][ T5828] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.902657][ T5828] ? bpf_test_run+0x370/0xa90 [ 58.907339][ T5828] ? __pfx_bpf_test_run+0x10/0x10 [ 58.912364][ T5828] ? eth_type_trans+0x3d1/0x7a0 [ 58.917221][ T5828] ? __pfx_eth_type_trans+0x10/0x10 [ 58.922420][ T5828] ? convert___skb_to_skb+0x41/0x620 [ 58.927702][ T5828] bpf_prog_test_run_skb+0xc97/0x1820 [ 58.933082][ T5828] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 58.938887][ T5828] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 58.944686][ T5828] bpf_prog_test_run+0x2e4/0x360 [ 58.949623][ T5828] __sys_bpf+0x48d/0x810 [ 58.953865][ T5828] ? __pfx___sys_bpf+0x10/0x10 [ 58.958637][ T5828] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 58.964965][ T5828] ? do_syscall_64+0x100/0x230 [ 58.969729][ T5828] __x64_sys_bpf+0x7c/0x90 [ 58.974139][ T5828] do_syscall_64+0xf3/0x230 [ 58.978636][ T5828] ? clear_bhb_loop+0x35/0x90 [ 58.983306][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.989194][ T5828] RIP: 0033:0x7f011763f4e9 [ 58.993603][ T5828] 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 [ 59.013200][ T5828] RSP: 002b:00007ffdfb3cfcf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 59.021607][ T5828] RAX: ffffffffffffffda RBX: 00007ffdfb3cfec8 RCX: 00007f011763f4e9 [ 59.029571][ T5828] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 59.037553][ T5828] RBP: 00007f01176b2610 R08: 0000000000000000 R09: 00007ffdfb3cfec8 [ 59.045527][ T5828] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 59.053493][ T5828] R13: 00007ffdfb3cfeb8 R14: 0000000000000001 R15: 0000000000000001 [ 59.061473][ T5828] [ 59.064738][ T5828] Kernel Offset: disabled [ 59.069068][ T5828] Rebooting in 86400 seconds..