./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor250045164 <...> Warning: Permanently added '10.128.10.25' (ED25519) to the list of known hosts. execve("./syz-executor250045164", ["./syz-executor250045164"], 0x7fff529e0fb0 /* 10 vars */) = 0 brk(NULL) = 0x555555cbe000 brk(0x555555cbed00) = 0x555555cbed00 arch_prctl(ARCH_SET_FS, 0x555555cbe380) = 0 set_tid_address(0x555555cbe650) = 5093 set_robust_list(0x555555cbe660, 24) = 0 rseq(0x555555cbeca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor250045164", 4096) = 27 getrandom("\x2b\x16\xa4\x56\xde\x88\x7e\xba", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555cbed00 brk(0x555555cdfd00) = 0x555555cdfd00 brk(0x555555ce0000) = 0x555555ce0000 mprotect(0x7f2a2969d000, 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 5094 attached , child_tidptr=0x555555cbe650) = 5094 [pid 5094] set_robust_list(0x555555cbe660, 24) = 0 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5094] setpgid(0, 0) = 0 [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5094] write(3, "1000", 4) = 4 [pid 5094] close(3) = 0 executing program [pid 5094] write(1, "executing program\n", 18) = 18 [pid 5094] 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: [ 59.345654][ T5094] ------------[ cut here ]------------ [ 59.351325][ T5094] Please remove unsupported % in format string [ 59.357883][ T5094] WARNING: CPU: 0 PID: 5094 at lib/vsprintf.c:2680 format_decode+0x1193/0x1bb0 [ 59.367000][ T5094] Modules linked in: [ 59.370947][ T5094] CPU: 0 PID: 5094 Comm: syz-executor250 Not tainted 6.10.0-rc6-syzkaller-01414-g58f9416d413a #0 [ 59.381490][ T5094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 59.391601][ T5094] RIP: 0010:format_decode+0x1193/0x1bb0 [ 59.397160][ T5094] Code: cb 12 f6 c6 05 e7 04 15 04 01 90 43 0f b6 04 34 84 c0 0f 85 14 0a 00 00 41 0f b6 75 00 48 c7 c7 00 c7 ec 8c e8 0e f9 d4 f5 90 <0f> 0b 90 90 e9 0e fd ff ff 48 8b 4c 24 10 80 e1 07 38 c1 0f 8c 14 [ 59.416853][ T5094] RSP: 0018:ffffc900034175c0 EFLAGS: 00010246 [ 59.422969][ T5094] RAX: be6d2ab7a695d500 RBX: 0000000000000000 RCX: ffff888021f29e00 [ 59.430994][ T5094] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.438983][ T5094] RBP: ffffc900034176b0 R08: ffffffff81585752 R09: 1ffff1101728519a [ 59.447100][ T5094] R10: dffffc0000000000 R11: ffffed101728519b R12: 1ffff92000682f1d [ 59.455120][ T5094] R13: ffffc900034178ec R14: dffffc0000000000 R15: ffff0000ffffff00 [ 59.463128][ T5094] FS: 0000555555cbe380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 59.472193][ T5094] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.478768][ T5094] CR2: 00005576e9432798 CR3: 000000001f7e6000 CR4: 00000000003506f0 [ 59.486786][ T5094] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.494803][ T5094] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.502819][ T5094] Call Trace: [ 59.506107][ T5094] [ 59.509026][ T5094] ? __warn+0x163/0x4e0 [ 59.513226][ T5094] ? format_decode+0x1193/0x1bb0 [ 59.518182][ T5094] ? report_bug+0x2b3/0x500 [ 59.522726][ T5094] ? format_decode+0x1193/0x1bb0 [ 59.527680][ T5094] ? handle_bug+0x3e/0x70 [ 59.532052][ T5094] ? exc_invalid_op+0x1a/0x50 [ 59.536749][ T5094] ? asm_exc_invalid_op+0x1a/0x20 [ 59.541860][ T5094] ? __warn_printk+0x292/0x360 [ 59.546652][ T5094] ? format_decode+0x1193/0x1bb0 [ 59.551662][ T5094] ? __pfx_format_decode+0x10/0x10 [ 59.556790][ T5094] ? bstr_printf+0x721/0x1210 [ 59.561530][ T5094] bstr_printf+0x137/0x1210 [ 59.566045][ T5094] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 59.572423][ T5094] ? __pfx_bstr_printf+0x10/0x10 [ 59.577577][ T5094] ? timekeeping_get_ns+0x5c/0x420 [ 59.582755][ T5094] ? lockdep_hardirqs_on+0x99/0x150 [ 59.587973][ T5094] ? bpf_trace_printk+0x115/0x230 [ 59.593074][ T5094] bpf_trace_printk+0x1a1/0x230 [ 59.598027][ T5094] ? timekeeping_get_ns+0x2b1/0x420 [ 59.603294][ T5094] ? __pfx_bpf_trace_printk+0x10/0x10 [ 59.608696][ T5094] ? timekeeping_get_ns+0x2b1/0x420 [ 59.614036][ T5094] ? bpf_test_run+0x370/0xa90 [ 59.618732][ T5094] bpf_prog_12183cdb1cd51dab+0x36/0x3a [ 59.624252][ T5094] bpf_test_run+0x4f0/0xa90 [ 59.628780][ T5094] ? do_syscall_64+0xf3/0x230 [ 59.633511][ T5094] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.639595][ T5094] ? bpf_test_run+0x370/0xa90 [ 59.644336][ T5094] ? __pfx_bpf_test_run+0x10/0x10 [ 59.649380][ T5094] ? eth_type_trans+0x3d1/0x7a0 [ 59.654294][ T5094] ? __pfx_eth_type_trans+0x10/0x10 [ 59.659514][ T5094] ? convert___skb_to_skb+0x41/0x620 [ 59.664942][ T5094] bpf_prog_test_run_skb+0xc97/0x1820 [ 59.670377][ T5094] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 59.676187][ T5094] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 59.682042][ T5094] bpf_prog_test_run+0x33a/0x3b0 [ 59.686996][ T5094] __sys_bpf+0x48d/0x810 [ 59.691388][ T5094] ? __pfx___sys_bpf+0x10/0x10 [ 59.696218][ T5094] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 59.702615][ T5094] ? exc_page_fault+0x590/0x8c0 [ 59.707485][ T5094] __x64_sys_bpf+0x7c/0x90 [ 59.711950][ T5094] do_syscall_64+0xf3/0x230 [ 59.716470][ T5094] ? clear_bhb_loop+0x35/0x90 [ 59.721193][ T5094] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.727097][ T5094] RIP: 0033:0x7f2a2962abb9 [ 59.731582][ T5094] 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 [ 59.751238][ T5094] RSP: 002b:00007ffd50ae3ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 59.759649][ T5094] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a2962abb9 [ 59.767689][ T5094] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 59.775707][ T5094] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 59.783726][ T5094] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 59.791753][ T5094] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 59.799800][ T5094] [ 59.802814][ T5094] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 59.810085][ T5094] CPU: 0 PID: 5094 Comm: syz-executor250 Not tainted 6.10.0-rc6-syzkaller-01414-g58f9416d413a #0 [ 59.820568][ T5094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 59.830625][ T5094] Call Trace: [ 59.833893][ T5094] [ 59.836826][ T5094] dump_stack_lvl+0x241/0x360 [ 59.841501][ T5094] ? __pfx_dump_stack_lvl+0x10/0x10 [ 59.846687][ T5094] ? __pfx__printk+0x10/0x10 [ 59.851270][ T5094] ? vscnprintf+0x5d/0x90 [ 59.855586][ T5094] panic+0x349/0x860 [ 59.859495][ T5094] ? __warn+0x172/0x4e0 [ 59.863660][ T5094] ? __pfx_panic+0x10/0x10 [ 59.868079][ T5094] __warn+0x346/0x4e0 [ 59.872056][ T5094] ? format_decode+0x1193/0x1bb0 [ 59.876984][ T5094] report_bug+0x2b3/0x500 [ 59.881363][ T5094] ? format_decode+0x1193/0x1bb0 [ 59.886293][ T5094] handle_bug+0x3e/0x70 [ 59.890444][ T5094] exc_invalid_op+0x1a/0x50 [ 59.894939][ T5094] asm_exc_invalid_op+0x1a/0x20 [ 59.899780][ T5094] RIP: 0010:format_decode+0x1193/0x1bb0 [ 59.905314][ T5094] Code: cb 12 f6 c6 05 e7 04 15 04 01 90 43 0f b6 04 34 84 c0 0f 85 14 0a 00 00 41 0f b6 75 00 48 c7 c7 00 c7 ec 8c e8 0e f9 d4 f5 90 <0f> 0b 90 90 e9 0e fd ff ff 48 8b 4c 24 10 80 e1 07 38 c1 0f 8c 14 [ 59.924916][ T5094] RSP: 0018:ffffc900034175c0 EFLAGS: 00010246 [ 59.930975][ T5094] RAX: be6d2ab7a695d500 RBX: 0000000000000000 RCX: ffff888021f29e00 [ 59.938945][ T5094] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.946918][ T5094] RBP: ffffc900034176b0 R08: ffffffff81585752 R09: 1ffff1101728519a [ 59.954886][ T5094] R10: dffffc0000000000 R11: ffffed101728519b R12: 1ffff92000682f1d [ 59.962850][ T5094] R13: ffffc900034178ec R14: dffffc0000000000 R15: ffff0000ffffff00 [ 59.970819][ T5094] ? __warn_printk+0x292/0x360 [ 59.975586][ T5094] ? __pfx_format_decode+0x10/0x10 [ 59.980699][ T5094] ? bstr_printf+0x721/0x1210 [ 59.985388][ T5094] bstr_printf+0x137/0x1210 [ 59.989880][ T5094] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 59.996207][ T5094] ? __pfx_bstr_printf+0x10/0x10 [ 60.001134][ T5094] ? timekeeping_get_ns+0x5c/0x420 [ 60.006240][ T5094] ? lockdep_hardirqs_on+0x99/0x150 [ 60.011434][ T5094] ? bpf_trace_printk+0x115/0x230 [ 60.016472][ T5094] bpf_trace_printk+0x1a1/0x230 [ 60.021313][ T5094] ? timekeeping_get_ns+0x2b1/0x420 [ 60.026504][ T5094] ? __pfx_bpf_trace_printk+0x10/0x10 [ 60.031869][ T5094] ? timekeeping_get_ns+0x2b1/0x420 [ 60.037063][ T5094] ? bpf_test_run+0x370/0xa90 [ 60.041734][ T5094] bpf_prog_12183cdb1cd51dab+0x36/0x3a [ 60.047176][ T5094] bpf_test_run+0x4f0/0xa90 [ 60.051713][ T5094] ? do_syscall_64+0xf3/0x230 [ 60.056380][ T5094] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 60.062443][ T5094] ? bpf_test_run+0x370/0xa90 [ 60.067115][ T5094] ? __pfx_bpf_test_run+0x10/0x10 [ 60.072129][ T5094] ? eth_type_trans+0x3d1/0x7a0 [ 60.077070][ T5094] ? __pfx_eth_type_trans+0x10/0x10 [ 60.082261][ T5094] ? convert___skb_to_skb+0x41/0x620 [ 60.087536][ T5094] bpf_prog_test_run_skb+0xc97/0x1820 [ 60.092910][ T5094] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 60.098709][ T5094] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 60.104591][ T5094] bpf_prog_test_run+0x33a/0x3b0 [ 60.109522][ T5094] __sys_bpf+0x48d/0x810 [ 60.113759][ T5094] ? __pfx___sys_bpf+0x10/0x10 [ 60.118527][ T5094] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 60.124847][ T5094] ? exc_page_fault+0x590/0x8c0 [ 60.129694][ T5094] __x64_sys_bpf+0x7c/0x90 [ 60.134109][ T5094] do_syscall_64+0xf3/0x230 [ 60.138599][ T5094] ? clear_bhb_loop+0x35/0x90 [ 60.143270][ T5094] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 60.149152][ T5094] RIP: 0033:0x7f2a2962abb9 [ 60.153554][ T5094] 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 [ 60.173152][ T5094] RSP: 002b:00007ffd50ae3ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 60.181556][ T5094] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a2962abb9 [ 60.189519][ T5094] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 60.197478][ T5094] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 60.205433][ T5094] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 60.213395][ T5094] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 60.221365][ T5094] [ 60.224601][ T5094] Kernel Offset: disabled [ 60.228945][ T5094] Rebooting in 86400 seconds..