./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2466509170 <...> Warning: Permanently added '10.128.10.6' (ED25519) to the list of known hosts. execve("./syz-executor2466509170", ["./syz-executor2466509170"], 0x7fff34f8b5a0 /* 10 vars */) = 0 brk(NULL) = 0x5555892b2000 brk(0x5555892b2d00) = 0x5555892b2d00 arch_prctl(ARCH_SET_FS, 0x5555892b2380) = 0 set_tid_address(0x5555892b2650) = 5838 set_robust_list(0x5555892b2660, 24) = 0 rseq(0x5555892b2ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2466509170", 4096) = 28 getrandom("\xfa\x9c\xc3\x64\x9c\x95\x7c\x2c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555892b2d00 brk(0x5555892d3d00) = 0x5555892d3d00 brk(0x5555892d4000) = 0x5555892d4000 mprotect(0x7f23162c2000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5839 attached [pid 5839] set_robust_list(0x5555892b2660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x5555892b2650) = 5839 [pid 5839] <... set_robust_list resumed>) = 0 [pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5839] setpgid(0, 0) = 0 [pid 5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1000", 4) = 4 [pid 5839] close(3) = 0 executing program [pid 5839] write(1, "executing program\n", 18) = 18 [pid 5839] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=8, insns=0x200000001000, 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 [ 77.835573][ T5839] ------------[ cut here ]------------ [ 77.841070][ T5839] Please remove unsupported % in format string [ 77.848410][ T5839] WARNING: CPU: 1 PID: 5839 at lib/vsprintf.c:2724 format_decode+0x965/0xe30 [ 77.857234][ T5839] Modules linked in: [ 77.861167][ T5839] CPU: 1 UID: 0 PID: 5839 Comm: syz-executor246 Not tainted 6.16.0-rc2-syzkaller-gfa6f092cc0a0 #0 PREEMPT(full) [ 77.873098][ T5839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 77.883180][ T5839] RIP: 0010:format_decode+0x965/0xe30 [ 77.888625][ T5839] Code: e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 0f 85 b4 04 00 00 41 0f b6 34 24 48 c7 c7 c0 16 b9 8c e8 cc 87 21 f6 90 <0f> 0b 90 90 e9 6b fc ff ff e8 fd dc 5d f6 48 89 dd e9 55 fa ff ff [ 77.908248][ T5839] RSP: 0018:ffffc9000415f7b0 EFLAGS: 00010246 [ 77.914336][ T5839] RAX: 42179355a0ac3900 RBX: 0000000000000000 RCX: ffff88803282bc00 [ 77.922292][ T5839] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 77.930276][ T5839] RBP: ffffc9000415f9ac R08: 0000000000000003 R09: 0000000000000004 [ 77.938267][ T5839] R10: dffffc0000000000 R11: fffffbfff1bfa9ec R12: ffffc9000415f9ac [ 77.946255][ T5839] R13: ffffffff8cb911c0 R14: 0000000000000406 R15: 0000000000000400 [ 77.954246][ T5839] FS: 00005555892b2380(0000) GS:ffff888125d51000(0000) knlGS:0000000000000000 [ 77.963203][ T5839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.969797][ T5839] CR2: 00007f23162c60d0 CR3: 0000000072f9c000 CR4: 00000000003526f0 [ 77.977785][ T5839] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.985772][ T5839] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.993762][ T5839] Call Trace: [ 77.997048][ T5839] [ 77.999967][ T5839] bstr_printf+0xd0/0xb70 [ 78.004328][ T5839] bpf_trace_printk+0x10e/0x190 [ 78.009197][ T5839] ? ktime_get+0x3e/0x1f0 [ 78.013553][ T5839] ? __pfx_bpf_trace_printk+0x10/0x10 [ 78.018940][ T5839] ? __local_bh_disable_ip+0xf1/0x190 [ 78.024337][ T5839] ? bpf_test_timer_enter+0x1a/0x140 [ 78.029635][ T5839] ? read_tsc+0x9/0x20 [ 78.033718][ T5839] ? ktime_get+0x1cb/0x1f0 [ 78.038140][ T5839] bpf_prog_12183cdb1cd51dab+0x37/0x3f [ 78.043620][ T5839] bpf_test_run+0x38e/0x830 [ 78.048135][ T5839] ? bpf_test_run+0x205/0x830 [ 78.052844][ T5839] ? __pfx_bpf_test_run+0x10/0x10 [ 78.057883][ T5839] ? slab_build_skb+0x273/0x3e0 [ 78.062721][ T5839] ? convert___skb_to_skb+0x3d/0x590 [ 78.068026][ T5839] bpf_prog_test_run_skb+0xb30/0x1560 [ 78.073428][ T5839] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 78.079221][ T5839] bpf_prog_test_run+0x2c4/0x340 [ 78.084185][ T5839] __sys_bpf+0x4a4/0x860 [ 78.088436][ T5839] ? __pfx___sys_bpf+0x10/0x10 [ 78.093242][ T5839] __x64_sys_bpf+0x7c/0x90 [ 78.097663][ T5839] do_syscall_64+0xfa/0x3b0 [ 78.102146][ T5839] ? lockdep_hardirqs_on+0x9c/0x150 [ 78.107369][ T5839] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.113454][ T5839] ? clear_bhb_loop+0x60/0xb0 [ 78.118116][ T5839] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.124023][ T5839] RIP: 0033:0x7f231624fbb9 [ 78.128441][ T5839] 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 [ 78.148061][ T5839] RSP: 002b:00007ffc0a2848b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 78.156496][ T5839] RAX: ffffffffffffffda RBX: 64006ad576d86aa0 RCX: 00007f231624fbb9 [ 78.164491][ T5839] RDX: 0000000000000028 RSI: 0000200000000080 RDI: 000000000000000a [ 78.172469][ T5839] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 78.180453][ T5839] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 78.188438][ T5839] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 78.196439][ T5839] [ 78.199459][ T5839] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 78.206721][ T5839] CPU: 1 UID: 0 PID: 5839 Comm: syz-executor246 Not tainted 6.16.0-rc2-syzkaller-gfa6f092cc0a0 #0 PREEMPT(full) [ 78.218586][ T5839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 78.228622][ T5839] Call Trace: [ 78.231967][ T5839] [ 78.234882][ T5839] dump_stack_lvl+0x99/0x250 [ 78.239460][ T5839] ? __asan_memcpy+0x40/0x70 [ 78.244040][ T5839] ? __pfx_dump_stack_lvl+0x10/0x10 [ 78.249228][ T5839] ? __pfx__printk+0x10/0x10 [ 78.253808][ T5839] panic+0x2db/0x790 [ 78.257697][ T5839] ? __pfx_panic+0x10/0x10 [ 78.262107][ T5839] __warn+0x31b/0x4b0 [ 78.266073][ T5839] ? format_decode+0x965/0xe30 [ 78.270825][ T5839] ? format_decode+0x965/0xe30 [ 78.275571][ T5839] report_bug+0x2be/0x4f0 [ 78.279887][ T5839] ? format_decode+0x965/0xe30 [ 78.284637][ T5839] ? format_decode+0x965/0xe30 [ 78.289407][ T5839] ? format_decode+0x967/0xe30 [ 78.294156][ T5839] handle_bug+0x84/0x160 [ 78.298389][ T5839] exc_invalid_op+0x1a/0x50 [ 78.302882][ T5839] asm_exc_invalid_op+0x1a/0x20 [ 78.307721][ T5839] RIP: 0010:format_decode+0x965/0xe30 [ 78.313083][ T5839] Code: e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 0f 85 b4 04 00 00 41 0f b6 34 24 48 c7 c7 c0 16 b9 8c e8 cc 87 21 f6 90 <0f> 0b 90 90 e9 6b fc ff ff e8 fd dc 5d f6 48 89 dd e9 55 fa ff ff [ 78.332674][ T5839] RSP: 0018:ffffc9000415f7b0 EFLAGS: 00010246 [ 78.338728][ T5839] RAX: 42179355a0ac3900 RBX: 0000000000000000 RCX: ffff88803282bc00 [ 78.346706][ T5839] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 78.354672][ T5839] RBP: ffffc9000415f9ac R08: 0000000000000003 R09: 0000000000000004 [ 78.362633][ T5839] R10: dffffc0000000000 R11: fffffbfff1bfa9ec R12: ffffc9000415f9ac [ 78.370594][ T5839] R13: ffffffff8cb911c0 R14: 0000000000000406 R15: 0000000000000400 [ 78.378568][ T5839] bstr_printf+0xd0/0xb70 [ 78.382900][ T5839] bpf_trace_printk+0x10e/0x190 [ 78.387741][ T5839] ? ktime_get+0x3e/0x1f0 [ 78.392056][ T5839] ? __pfx_bpf_trace_printk+0x10/0x10 [ 78.397419][ T5839] ? __local_bh_disable_ip+0xf1/0x190 [ 78.402782][ T5839] ? bpf_test_timer_enter+0x1a/0x140 [ 78.408060][ T5839] ? read_tsc+0x9/0x20 [ 78.412116][ T5839] ? ktime_get+0x1cb/0x1f0 [ 78.416526][ T5839] bpf_prog_12183cdb1cd51dab+0x37/0x3f [ 78.421974][ T5839] bpf_test_run+0x38e/0x830 [ 78.426470][ T5839] ? bpf_test_run+0x205/0x830 [ 78.431146][ T5839] ? __pfx_bpf_test_run+0x10/0x10 [ 78.436170][ T5839] ? slab_build_skb+0x273/0x3e0 [ 78.441009][ T5839] ? convert___skb_to_skb+0x3d/0x590 [ 78.446281][ T5839] bpf_prog_test_run_skb+0xb30/0x1560 [ 78.451650][ T5839] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 78.457444][ T5839] bpf_prog_test_run+0x2c4/0x340 [ 78.462379][ T5839] __sys_bpf+0x4a4/0x860 [ 78.466613][ T5839] ? __pfx___sys_bpf+0x10/0x10 [ 78.471380][ T5839] __x64_sys_bpf+0x7c/0x90 [ 78.475784][ T5839] do_syscall_64+0xfa/0x3b0 [ 78.480270][ T5839] ? lockdep_hardirqs_on+0x9c/0x150 [ 78.485460][ T5839] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.491520][ T5839] ? clear_bhb_loop+0x60/0xb0 [ 78.496184][ T5839] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.502061][ T5839] RIP: 0033:0x7f231624fbb9 [ 78.506468][ T5839] 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 [ 78.526061][ T5839] RSP: 002b:00007ffc0a2848b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 78.534472][ T5839] RAX: ffffffffffffffda RBX: 64006ad576d86aa0 RCX: 00007f231624fbb9 [ 78.542431][ T5839] RDX: 0000000000000028 RSI: 0000200000000080 RDI: 000000000000000a [ 78.550416][ T5839] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 78.558372][ T5839] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 78.566330][ T5839] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 78.574297][ T5839] [ 78.577431][ T5839] Kernel Offset: disabled [ 78.581752][ T5839] Rebooting in 86400 seconds..