./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor167419783 <...> Warning: Permanently added '10.128.0.65' (ED25519) to the list of known hosts. execve("./syz-executor167419783", ["./syz-executor167419783"], 0x7ffe8ef16480 /* 10 vars */) = 0 brk(NULL) = 0x55558f391000 brk(0x55558f391d00) = 0x55558f391d00 arch_prctl(ARCH_SET_FS, 0x55558f391380) = 0 set_tid_address(0x55558f391650) = 5235 set_robust_list(0x55558f391660, 24) = 0 rseq(0x55558f391ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor167419783", 4096) = 27 getrandom("\xa1\xde\x90\xaf\xec\xd9\x55\x99", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558f391d00 brk(0x55558f3b2d00) = 0x55558f3b2d00 brk(0x55558f3b3000) = 0x55558f3b3000 mprotect(0x7f2cdf565000, 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 5236 attached [pid 5236] set_robust_list(0x55558f391660, 24 [pid 5235] <... clone resumed>, child_tidptr=0x55558f391650) = 5236 [pid 5236] <... set_robust_list resumed>) = 0 [pid 5236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5236] setpgid(0, 0) = 0 [pid 5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5236] write(3, "1000", 4) = 4 [pid 5236] close(3) = 0 executing program [pid 5236] write(1, "executing program\n", 18) = 18 [pid 5236] 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 [ 78.861422][ T5236] ------------[ cut here ]------------ [ 78.867205][ T5236] Please remove unsupported % in format string [ 78.874450][ T5236] WARNING: CPU: 1 PID: 5236 at lib/vsprintf.c:2680 format_decode+0x1193/0x1bb0 [ 78.883519][ T5236] Modules linked in: [ 78.887536][ T5236] CPU: 1 UID: 0 PID: 5236 Comm: syz-executor167 Not tainted 6.11.0-rc6-syzkaller-00183-gb831f83e40a2 #0 [ 78.898802][ T5236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 78.908939][ T5236] RIP: 0010:format_decode+0x1193/0x1bb0 [ 78.914502][ T5236] Code: a6 e0 f5 c6 05 8f 6d 4f 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 6c 34 8d e8 5e ca a2 f5 90 <0f> 0b 90 90 e9 0e fd ff ff 48 8b 4c 24 10 80 e1 07 38 c1 0f 8c 14 [ 78.934193][ T5236] RSP: 0018:ffffc9000335f5c0 EFLAGS: 00010246 [ 78.940339][ T5236] RAX: f31cba8c868f4f00 RBX: 0000000000000000 RCX: ffff88802ce85a00 [ 78.948391][ T5236] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 78.956395][ T5236] RBP: ffffc9000335f6b0 R08: ffffffff8155b372 R09: 1ffff1101712519a [ 78.964448][ T5236] R10: dffffc0000000000 R11: ffffed101712519b R12: 1ffff9200066bf1d [ 78.972502][ T5236] R13: ffffc9000335f8ec R14: dffffc0000000000 R15: ffff0000ffffff00 [ 78.980564][ T5236] FS: 000055558f391380(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 [ 78.989576][ T5236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.996188][ T5236] CR2: 00007f2cdf5690d0 CR3: 000000002a9d4000 CR4: 00000000003506f0 [ 79.004240][ T5236] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.012286][ T5236] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.020338][ T5236] Call Trace: [ 79.023693][ T5236] [ 79.026717][ T5236] ? __warn+0x163/0x4e0 [ 79.030953][ T5236] ? format_decode+0x1193/0x1bb0 [ 79.035924][ T5236] ? report_bug+0x2b3/0x500 [ 79.040509][ T5236] ? format_decode+0x1193/0x1bb0 [ 79.045497][ T5236] ? handle_bug+0x3e/0x70 [ 79.049904][ T5236] ? exc_invalid_op+0x1a/0x50 [ 79.054643][ T5236] ? asm_exc_invalid_op+0x1a/0x20 [ 79.059765][ T5236] ? __warn_printk+0x292/0x360 [ 79.064565][ T5236] ? format_decode+0x1193/0x1bb0 [ 79.069594][ T5236] ? __pfx_format_decode+0x10/0x10 [ 79.074749][ T5236] ? bstr_printf+0x721/0x1210 [ 79.079540][ T5236] bstr_printf+0x137/0x1210 [ 79.084431][ T5236] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 79.090888][ T5236] ? __pfx_bstr_printf+0x10/0x10 [ 79.095906][ T5236] ? timekeeping_get_ns+0x5c/0x420 [ 79.101118][ T5236] ? lockdep_hardirqs_on+0x99/0x150 [ 79.106361][ T5236] ? bpf_trace_printk+0x115/0x230 [ 79.111478][ T5236] bpf_trace_printk+0x1a1/0x230 [ 79.116416][ T5236] ? timekeeping_get_ns+0x2b1/0x420 [ 79.121732][ T5236] ? __pfx_bpf_trace_printk+0x10/0x10 [ 79.127186][ T5236] ? timekeeping_get_ns+0x2b1/0x420 [ 79.132396][ T5236] ? bpf_test_run+0x370/0xa90 [ 79.137178][ T5236] bpf_prog_12183cdb1cd51dab+0x36/0x3a [ 79.142692][ T5236] bpf_test_run+0x4f0/0xa90 [ 79.147288][ T5236] ? do_syscall_64+0xf3/0x230 [ 79.151998][ T5236] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.158203][ T5236] ? bpf_test_run+0x370/0xa90 [ 79.162931][ T5236] ? __pfx_bpf_test_run+0x10/0x10 [ 79.168039][ T5236] ? eth_type_trans+0x3d1/0x7a0 [ 79.172937][ T5236] ? __pfx_eth_type_trans+0x10/0x10 [ 79.178274][ T5236] ? convert___skb_to_skb+0x41/0x620 [ 79.183604][ T5236] bpf_prog_test_run_skb+0xc97/0x1820 [ 79.189085][ T5236] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 79.194939][ T5236] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 79.200870][ T5236] bpf_prog_test_run+0x33a/0x3b0 [ 79.205874][ T5236] __sys_bpf+0x48d/0x810 [ 79.210286][ T5236] ? __pfx___sys_bpf+0x10/0x10 [ 79.215103][ T5236] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 79.221723][ T5236] ? exc_page_fault+0x590/0x8c0 [ 79.226652][ T5236] __x64_sys_bpf+0x7c/0x90 [ 79.231092][ T5236] do_syscall_64+0xf3/0x230 [ 79.235620][ T5236] ? clear_bhb_loop+0x35/0x90 [ 79.240372][ T5236] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.246396][ T5236] RIP: 0033:0x7f2cdf4f2bf9 [ 79.250886][ T5236] 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 [ 79.270615][ T5236] RSP: 002b:00007ffc30103cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 79.279143][ T5236] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2cdf4f2bf9 [ 79.287736][ T5236] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 79.295750][ T5236] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 79.303809][ T5236] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 79.311935][ T5236] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 79.319986][ T5236] [ 79.323014][ T5236] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 79.330322][ T5236] CPU: 1 UID: 0 PID: 5236 Comm: syz-executor167 Not tainted 6.11.0-rc6-syzkaller-00183-gb831f83e40a2 #0 [ 79.341440][ T5236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 79.351516][ T5236] Call Trace: [ 79.354801][ T5236] [ 79.357739][ T5236] dump_stack_lvl+0x241/0x360 [ 79.362514][ T5236] ? __pfx_dump_stack_lvl+0x10/0x10 [ 79.367743][ T5236] ? __pfx__printk+0x10/0x10 [ 79.372346][ T5236] ? vscnprintf+0x5d/0x90 [ 79.376693][ T5236] panic+0x349/0x860 [ 79.380594][ T5236] ? __warn+0x172/0x4e0 [ 79.384748][ T5236] ? __pfx_panic+0x10/0x10 [ 79.389178][ T5236] __warn+0x346/0x4e0 [ 79.393163][ T5236] ? format_decode+0x1193/0x1bb0 [ 79.398107][ T5236] report_bug+0x2b3/0x500 [ 79.402447][ T5236] ? format_decode+0x1193/0x1bb0 [ 79.407408][ T5236] handle_bug+0x3e/0x70 [ 79.411589][ T5236] exc_invalid_op+0x1a/0x50 [ 79.416108][ T5236] asm_exc_invalid_op+0x1a/0x20 [ 79.420969][ T5236] RIP: 0010:format_decode+0x1193/0x1bb0 [ 79.426530][ T5236] Code: a6 e0 f5 c6 05 8f 6d 4f 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 6c 34 8d e8 5e ca a2 f5 90 <0f> 0b 90 90 e9 0e fd ff ff 48 8b 4c 24 10 80 e1 07 38 c1 0f 8c 14 [ 79.446159][ T5236] RSP: 0018:ffffc9000335f5c0 EFLAGS: 00010246 [ 79.452277][ T5236] RAX: f31cba8c868f4f00 RBX: 0000000000000000 RCX: ffff88802ce85a00 [ 79.460259][ T5236] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 79.468236][ T5236] RBP: ffffc9000335f6b0 R08: ffffffff8155b372 R09: 1ffff1101712519a [ 79.476213][ T5236] R10: dffffc0000000000 R11: ffffed101712519b R12: 1ffff9200066bf1d [ 79.484190][ T5236] R13: ffffc9000335f8ec R14: dffffc0000000000 R15: ffff0000ffffff00 [ 79.492177][ T5236] ? __warn_printk+0x292/0x360 [ 79.496979][ T5236] ? __pfx_format_decode+0x10/0x10 [ 79.502108][ T5236] ? bstr_printf+0x721/0x1210 [ 79.506802][ T5236] bstr_printf+0x137/0x1210 [ 79.511325][ T5236] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 79.517691][ T5236] ? __pfx_bstr_printf+0x10/0x10 [ 79.522677][ T5236] ? timekeeping_get_ns+0x5c/0x420 [ 79.527833][ T5236] ? lockdep_hardirqs_on+0x99/0x150 [ 79.533062][ T5236] ? bpf_trace_printk+0x115/0x230 [ 79.538120][ T5236] bpf_trace_printk+0x1a1/0x230 [ 79.542995][ T5236] ? timekeeping_get_ns+0x2b1/0x420 [ 79.548260][ T5236] ? __pfx_bpf_trace_printk+0x10/0x10 [ 79.553690][ T5236] ? timekeeping_get_ns+0x2b1/0x420 [ 79.558931][ T5236] ? bpf_test_run+0x370/0xa90 [ 79.563671][ T5236] bpf_prog_12183cdb1cd51dab+0x36/0x3a [ 79.569180][ T5236] bpf_test_run+0x4f0/0xa90 [ 79.573796][ T5236] ? do_syscall_64+0xf3/0x230 [ 79.578504][ T5236] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.584596][ T5236] ? bpf_test_run+0x370/0xa90 [ 79.589295][ T5236] ? __pfx_bpf_test_run+0x10/0x10 [ 79.594423][ T5236] ? eth_type_trans+0x3d1/0x7a0 [ 79.599298][ T5236] ? __pfx_eth_type_trans+0x10/0x10 [ 79.604516][ T5236] ? convert___skb_to_skb+0x41/0x620 [ 79.609815][ T5236] bpf_prog_test_run_skb+0xc97/0x1820 [ 79.615225][ T5236] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 79.621060][ T5236] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 79.626978][ T5236] bpf_prog_test_run+0x33a/0x3b0 [ 79.631945][ T5236] __sys_bpf+0x48d/0x810 [ 79.636203][ T5236] ? __pfx___sys_bpf+0x10/0x10 [ 79.640996][ T5236] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 79.647340][ T5236] ? exc_page_fault+0x590/0x8c0 [ 79.652215][ T5236] __x64_sys_bpf+0x7c/0x90 [ 79.656645][ T5236] do_syscall_64+0xf3/0x230 [ 79.661160][ T5236] ? clear_bhb_loop+0x35/0x90 [ 79.665853][ T5236] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.671760][ T5236] RIP: 0033:0x7f2cdf4f2bf9 [ 79.676186][ T5236] 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 [ 79.695812][ T5236] RSP: 002b:00007ffc30103cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 79.704241][ T5236] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2cdf4f2bf9 [ 79.712221][ T5236] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 79.720202][ T5236] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 79.728182][ T5236] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 79.736192][ T5236] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 79.744236][ T5236] [ 79.747555][ T5236] Kernel Offset: disabled [ 79.751928][ T5236] Rebooting in 86400 seconds..