./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3776457643 <...> Warning: Permanently added '10.128.1.80' (ED25519) to the list of known hosts. execve("./syz-executor3776457643", ["./syz-executor3776457643"], 0x7ffced301d80 /* 10 vars */) = 0 brk(NULL) = 0x5555886b4000 brk(0x5555886b4d00) = 0x5555886b4d00 arch_prctl(ARCH_SET_FS, 0x5555886b4380) = 0 set_tid_address(0x5555886b4650) = 5829 set_robust_list(0x5555886b4660, 24) = 0 rseq(0x5555886b4ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3776457643", 4096) = 28 getrandom("\xcf\xce\xf3\x4c\x77\x37\xe4\x4b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555886b4d00 brk(0x5555886d5d00) = 0x5555886d5d00 brk(0x5555886d6000) = 0x5555886d6000 mprotect(0x7f595a59c000, 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./strace-static-x86_64: Process 5830 attached , child_tidptr=0x5555886b4650) = 5830 [pid 5830] set_robust_list(0x5555886b4660, 24) = 0 [pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5830] setpgid(0, 0) = 0 [pid 5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "1000", 4) = 4 [pid 5830] close(3) = 0 executing program [pid 5830] write(1, "executing program\n", 18) = 18 [pid 5830] 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: [ 67.676034][ T5830] ------------[ cut here ]------------ [ 67.681913][ T5830] Please remove unsupported % in format string [ 67.688625][ T5830] WARNING: CPU: 0 PID: 5830 at lib/vsprintf.c:2704 format_decode+0x1193/0x1bb0 [ 67.698031][ T5830] Modules linked in: [ 67.702018][ T5830] CPU: 0 UID: 0 PID: 5830 Comm: syz-executor377 Not tainted 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0 [ 67.713166][ T5830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 67.723287][ T5830] RIP: 0010:format_decode+0x1193/0x1bb0 [ 67.728857][ T5830] Code: 99 da f5 c6 05 83 df 3e 04 01 90 43 0f b6 04 34 84 c0 0f 85 14 0a 00 00 41 0f b6 75 00 48 c7 c7 40 f1 31 8d e8 9e 3e 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 [ 67.748550][ T5830] RSP: 0018:ffffc9000405f5c0 EFLAGS: 00010246 [ 67.754665][ T5830] RAX: 9874a8a38aa24400 RBX: 0000000000000000 RCX: ffff88802f9f8000 [ 67.762678][ T5830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 67.770695][ T5830] RBP: ffffc9000405f6b0 R08: ffffffff81602ac2 R09: 1ffff110170c519a [ 67.778675][ T5830] R10: dffffc0000000000 R11: ffffed10170c519b R12: 1ffff9200080bf1d [ 67.786726][ T5830] R13: ffffc9000405f8ec R14: dffffc0000000000 R15: ffff0000ffffff00 [ 67.794763][ T5830] FS: 00005555886b4380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 67.803757][ T5830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.810410][ T5830] CR2: 00007f595a5a00d0 CR3: 0000000034f7c000 CR4: 00000000003526f0 [ 67.818407][ T5830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.826464][ T5830] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.834545][ T5830] Call Trace: [ 67.837861][ T5830] [ 67.840869][ T5830] ? __warn+0x165/0x4d0 [ 67.845053][ T5830] ? format_decode+0x1193/0x1bb0 [ 67.850049][ T5830] ? report_bug+0x2b3/0x500 [ 67.854572][ T5830] ? format_decode+0x1193/0x1bb0 [ 67.859581][ T5830] ? handle_bug+0x60/0x90 [ 67.863952][ T5830] ? exc_invalid_op+0x1a/0x50 [ 67.868673][ T5830] ? asm_exc_invalid_op+0x1a/0x20 [ 67.873767][ T5830] ? __warn_printk+0x292/0x360 [ 67.878561][ T5830] ? format_decode+0x1193/0x1bb0 [ 67.883551][ T5830] ? __pfx_format_decode+0x10/0x10 [ 67.888688][ T5830] ? bstr_printf+0x721/0x1210 [ 67.893415][ T5830] bstr_printf+0x137/0x1210 [ 67.897940][ T5830] ? __pfx_bstr_printf+0x10/0x10 [ 67.902915][ T5830] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 67.909260][ T5830] ? bpf_trace_printk+0x115/0x230 [ 67.914360][ T5830] bpf_trace_printk+0x1a1/0x230 [ 67.919246][ T5830] ? ktime_get+0x114/0x1f0 [ 67.923711][ T5830] ? __pfx_bpf_trace_printk+0x10/0x10 [ 67.929111][ T5830] ? ktime_get+0x114/0x1f0 [ 67.933570][ T5830] ? bpf_test_run+0x370/0xa90 [ 67.938270][ T5830] ? read_tsc+0x9/0x20 [ 67.942400][ T5830] bpf_prog_12183cdb1cd51dab+0x37/0x3b [ 67.947886][ T5830] bpf_test_run+0x4f0/0xa90 [ 67.952493][ T5830] ? bpf_test_run+0x370/0xa90 [ 67.957208][ T5830] ? __pfx_bpf_test_run+0x10/0x10 [ 67.962442][ T5830] ? __pfx_eth_type_trans+0x10/0x10 [ 67.967669][ T5830] ? convert___skb_to_skb+0x41/0x620 [ 67.973003][ T5830] bpf_prog_test_run_skb+0xca2/0x1820 [ 67.978399][ T5830] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 67.984248][ T5830] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 67.990111][ T5830] bpf_prog_test_run+0x2e4/0x360 [ 67.995051][ T5830] __sys_bpf+0x48d/0x810 [ 67.999283][ T5830] ? __pfx___sys_bpf+0x10/0x10 [ 68.004101][ T5830] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 68.010470][ T5830] ? exc_page_fault+0x590/0x8b0 [ 68.015324][ T5830] __x64_sys_bpf+0x7c/0x90 [ 68.019796][ T5830] do_syscall_64+0xf3/0x230 [ 68.024339][ T5830] ? clear_bhb_loop+0x35/0x90 [ 68.029017][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.034960][ T5830] RIP: 0033:0x7f595a529bf9 [ 68.039388][ T5830] 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 [ 68.059049][ T5830] RSP: 002b:00007ffdd734a408 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 68.067597][ T5830] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f595a529bf9 [ 68.075631][ T5830] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 68.083654][ T5830] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 68.091684][ T5830] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.099686][ T5830] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 68.107773][ T5830] [ 68.110869][ T5830] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 68.118165][ T5830] CPU: 0 UID: 0 PID: 5830 Comm: syz-executor377 Not tainted 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0 [ 68.129275][ T5830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 68.139333][ T5830] Call Trace: [ 68.142614][ T5830] [ 68.145711][ T5830] dump_stack_lvl+0x241/0x360 [ 68.150401][ T5830] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.155612][ T5830] ? __pfx__printk+0x10/0x10 [ 68.160201][ T5830] ? _printk+0xd5/0x120 [ 68.164396][ T5830] ? __init_begin+0x41000/0x41000 [ 68.169444][ T5830] ? vscnprintf+0x5d/0x90 [ 68.173771][ T5830] panic+0x349/0x880 [ 68.177687][ T5830] ? __warn+0x174/0x4d0 [ 68.181854][ T5830] ? __pfx_panic+0x10/0x10 [ 68.186273][ T5830] __warn+0x344/0x4d0 [ 68.190399][ T5830] ? format_decode+0x1193/0x1bb0 [ 68.195343][ T5830] report_bug+0x2b3/0x500 [ 68.199712][ T5830] ? format_decode+0x1193/0x1bb0 [ 68.204661][ T5830] handle_bug+0x60/0x90 [ 68.208807][ T5830] exc_invalid_op+0x1a/0x50 [ 68.213307][ T5830] asm_exc_invalid_op+0x1a/0x20 [ 68.218164][ T5830] RIP: 0010:format_decode+0x1193/0x1bb0 [ 68.223707][ T5830] Code: 99 da f5 c6 05 83 df 3e 04 01 90 43 0f b6 04 34 84 c0 0f 85 14 0a 00 00 41 0f b6 75 00 48 c7 c7 40 f1 31 8d e8 9e 3e 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 [ 68.243339][ T5830] RSP: 0018:ffffc9000405f5c0 EFLAGS: 00010246 [ 68.249409][ T5830] RAX: 9874a8a38aa24400 RBX: 0000000000000000 RCX: ffff88802f9f8000 [ 68.257398][ T5830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 68.265538][ T5830] RBP: ffffc9000405f6b0 R08: ffffffff81602ac2 R09: 1ffff110170c519a [ 68.273504][ T5830] R10: dffffc0000000000 R11: ffffed10170c519b R12: 1ffff9200080bf1d [ 68.281469][ T5830] R13: ffffc9000405f8ec R14: dffffc0000000000 R15: ffff0000ffffff00 [ 68.289475][ T5830] ? __warn_printk+0x292/0x360 [ 68.294257][ T5830] ? __pfx_format_decode+0x10/0x10 [ 68.299367][ T5830] ? bstr_printf+0x721/0x1210 [ 68.304047][ T5830] bstr_printf+0x137/0x1210 [ 68.308553][ T5830] ? __pfx_bstr_printf+0x10/0x10 [ 68.313512][ T5830] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 68.319837][ T5830] ? bpf_trace_printk+0x115/0x230 [ 68.324861][ T5830] bpf_trace_printk+0x1a1/0x230 [ 68.329712][ T5830] ? ktime_get+0x114/0x1f0 [ 68.334127][ T5830] ? __pfx_bpf_trace_printk+0x10/0x10 [ 68.339499][ T5830] ? ktime_get+0x114/0x1f0 [ 68.343914][ T5830] ? bpf_test_run+0x370/0xa90 [ 68.348618][ T5830] ? read_tsc+0x9/0x20 [ 68.352684][ T5830] bpf_prog_12183cdb1cd51dab+0x37/0x3b [ 68.358139][ T5830] bpf_test_run+0x4f0/0xa90 [ 68.362651][ T5830] ? bpf_test_run+0x370/0xa90 [ 68.367335][ T5830] ? __pfx_bpf_test_run+0x10/0x10 [ 68.372368][ T5830] ? __pfx_eth_type_trans+0x10/0x10 [ 68.377582][ T5830] ? convert___skb_to_skb+0x41/0x620 [ 68.382863][ T5830] bpf_prog_test_run_skb+0xca2/0x1820 [ 68.388243][ T5830] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 68.394057][ T5830] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 68.399861][ T5830] bpf_prog_test_run+0x2e4/0x360 [ 68.404804][ T5830] __sys_bpf+0x48d/0x810 [ 68.409043][ T5830] ? __pfx___sys_bpf+0x10/0x10 [ 68.413814][ T5830] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 68.420139][ T5830] ? exc_page_fault+0x590/0x8b0 [ 68.424997][ T5830] __x64_sys_bpf+0x7c/0x90 [ 68.429415][ T5830] do_syscall_64+0xf3/0x230 [ 68.433940][ T5830] ? clear_bhb_loop+0x35/0x90 [ 68.438625][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.444544][ T5830] RIP: 0033:0x7f595a529bf9 [ 68.448955][ T5830] 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 [ 68.468644][ T5830] RSP: 002b:00007ffdd734a408 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 68.477061][ T5830] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f595a529bf9 [ 68.485031][ T5830] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 68.493087][ T5830] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 68.501049][ T5830] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.509015][ T5830] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 68.516992][ T5830] [ 68.520232][ T5830] Kernel Offset: disabled [ 68.524569][ T5830] Rebooting in 86400 seconds..