./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3705077779 <...> Warning: Permanently added '10.128.1.113' (ED25519) to the list of known hosts. execve("./syz-executor3705077779", ["./syz-executor3705077779"], 0x7ffc4b9e9860 /* 10 vars */) = 0 brk(NULL) = 0x555560c6d000 brk(0x555560c6dd00) = 0x555560c6dd00 arch_prctl(ARCH_SET_FS, 0x555560c6d380) = 0 set_tid_address(0x555560c6d650) = 5852 set_robust_list(0x555560c6d660, 24) = 0 rseq(0x555560c6dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3705077779", 4096) = 28 getrandom("\x4b\xb4\x03\x82\x15\xc2\x3b\x8d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555560c6dd00 brk(0x555560c8ed00) = 0x555560c8ed00 brk(0x555560c8f000) = 0x555560c8f000 mprotect(0x7f090e6f2000, 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 5853 attached [pid 5853] set_robust_list(0x555560c6d660, 24 [pid 5852] <... clone resumed>, child_tidptr=0x555560c6d650) = 5853 [pid 5853] <... set_robust_list resumed>) = 0 [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5853] setpgid(0, 0) = 0 [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5853] write(3, "1000", 4) = 4 [pid 5853] close(3executing program ) = 0 [pid 5853] write(1, "executing program\n", 18) = 18 [pid 5853] 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 [ 73.692810][ T5853] ------------[ cut here ]------------ [ 73.698362][ T5853] Please remove unsupported % in format string [ 73.705461][ T5853] WARNING: CPU: 1 PID: 5853 at lib/vsprintf.c:2724 format_decode+0x965/0xe30 [ 73.714280][ T5853] Modules linked in: [ 73.718294][ T5853] CPU: 1 UID: 0 PID: 5853 Comm: syz-executor370 Not tainted 6.16.0-rc3-syzkaller-g6e5cae9ddae7 #0 PREEMPT(full) [ 73.730272][ T5853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 73.740395][ T5853] RIP: 0010:format_decode+0x965/0xe30 [ 73.745818][ T5853] 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 e0 d1 b9 8c e8 8c c7 17 f6 90 <0f> 0b 90 90 e9 6b fc ff ff e8 6d 24 54 f6 48 89 dd e9 55 fa ff ff [ 73.765552][ T5853] RSP: 0018:ffffc90003f9f7b0 EFLAGS: 00010246 [ 73.771648][ T5853] RAX: cb9014106ee08c00 RBX: 0000000000000000 RCX: ffff88802ac50000 [ 73.779663][ T5853] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 73.787690][ T5853] RBP: ffffc90003f9f9ac R08: ffff8880b8724293 R09: 1ffff110170e4852 [ 73.795721][ T5853] R10: dffffc0000000000 R11: ffffed10170e4853 R12: ffffc90003f9f9ac [ 73.803722][ T5853] R13: ffffffff8cb9cce0 R14: 0000000000000406 R15: 0000000000000400 [ 73.811741][ T5853] FS: 0000555560c6d380(0000) GS:ffff888125d19000(0000) knlGS:0000000000000000 [ 73.820713][ T5853] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.827332][ T5853] CR2: 00007f090e6f60d0 CR3: 000000003177e000 CR4: 00000000003526f0 [ 73.835605][ T5853] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.843587][ T5853] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.851693][ T5853] Call Trace: [ 73.854985][ T5853] [ 73.857955][ T5853] bstr_printf+0xd0/0xb70 [ 73.862325][ T5853] bpf_trace_printk+0x10e/0x190 [ 73.867228][ T5853] ? ktime_get+0x3e/0x1f0 [ 73.871577][ T5853] ? __pfx_bpf_trace_printk+0x10/0x10 [ 73.877003][ T5853] ? __local_bh_disable_ip+0xf1/0x190 [ 73.882396][ T5853] ? read_tsc+0x9/0x20 [ 73.886512][ T5853] ? ktime_get+0x1cb/0x1f0 [ 73.890956][ T5853] bpf_prog_12183cdb1cd51dab+0x37/0x3f [ 73.896937][ T5853] bpf_test_run+0x38e/0x830 [ 73.901482][ T5853] ? bpf_test_run+0x205/0x830 [ 73.906207][ T5853] ? __pfx_bpf_test_run+0x10/0x10 [ 73.911260][ T5853] ? slab_build_skb+0x273/0x3e0 [ 73.916144][ T5853] ? convert___skb_to_skb+0x3d/0x590 [ 73.921448][ T5853] bpf_prog_test_run_skb+0xb30/0x1560 [ 73.926885][ T5853] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 73.932710][ T5853] bpf_prog_test_run+0x2c4/0x340 [ 73.937689][ T5853] __sys_bpf+0x581/0x870 [ 73.941945][ T5853] ? __pfx___sys_bpf+0x10/0x10 [ 73.946764][ T5853] __x64_sys_bpf+0x7c/0x90 [ 73.951200][ T5853] do_syscall_64+0xfa/0x3b0 [ 73.955731][ T5853] ? lockdep_hardirqs_on+0x9c/0x150 [ 73.960945][ T5853] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.967047][ T5853] ? clear_bhb_loop+0x60/0xb0 [ 73.971735][ T5853] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.977662][ T5853] RIP: 0033:0x7f090e67fbb9 [ 73.982090][ T5853] 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 [ 74.001736][ T5853] RSP: 002b:00007ffe746b8868 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 74.010202][ T5853] RAX: ffffffffffffffda RBX: 64006ad576d86aa0 RCX: 00007f090e67fbb9 [ 74.018224][ T5853] RDX: 0000000000000028 RSI: 0000200000000080 RDI: 000000000000000a [ 74.026238][ T5853] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 74.034221][ T5853] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.042244][ T5853] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 74.050269][ T5853] [ 74.053294][ T5853] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 74.060564][ T5853] CPU: 1 UID: 0 PID: 5853 Comm: syz-executor370 Not tainted 6.16.0-rc3-syzkaller-g6e5cae9ddae7 #0 PREEMPT(full) [ 74.072444][ T5853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 74.082492][ T5853] Call Trace: [ 74.085760][ T5853] [ 74.088778][ T5853] dump_stack_lvl+0x99/0x250 [ 74.093359][ T5853] ? __asan_memcpy+0x40/0x70 [ 74.097936][ T5853] ? __pfx_dump_stack_lvl+0x10/0x10 [ 74.103122][ T5853] ? __pfx__printk+0x10/0x10 [ 74.107716][ T5853] panic+0x2db/0x790 [ 74.111608][ T5853] ? __pfx_panic+0x10/0x10 [ 74.116019][ T5853] __warn+0x31b/0x4b0 [ 74.119983][ T5853] ? format_decode+0x965/0xe30 [ 74.124730][ T5853] ? format_decode+0x965/0xe30 [ 74.129474][ T5853] report_bug+0x2be/0x4f0 [ 74.133793][ T5853] ? format_decode+0x965/0xe30 [ 74.138546][ T5853] ? format_decode+0x965/0xe30 [ 74.143292][ T5853] ? format_decode+0x967/0xe30 [ 74.148038][ T5853] handle_bug+0x84/0x160 [ 74.152274][ T5853] exc_invalid_op+0x1a/0x50 [ 74.156796][ T5853] asm_exc_invalid_op+0x1a/0x20 [ 74.161660][ T5853] RIP: 0010:format_decode+0x965/0xe30 [ 74.167038][ T5853] 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 e0 d1 b9 8c e8 8c c7 17 f6 90 <0f> 0b 90 90 e9 6b fc ff ff e8 6d 24 54 f6 48 89 dd e9 55 fa ff ff [ 74.186646][ T5853] RSP: 0018:ffffc90003f9f7b0 EFLAGS: 00010246 [ 74.192717][ T5853] RAX: cb9014106ee08c00 RBX: 0000000000000000 RCX: ffff88802ac50000 [ 74.200685][ T5853] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 74.208651][ T5853] RBP: ffffc90003f9f9ac R08: ffff8880b8724293 R09: 1ffff110170e4852 [ 74.216619][ T5853] R10: dffffc0000000000 R11: ffffed10170e4853 R12: ffffc90003f9f9ac [ 74.224583][ T5853] R13: ffffffff8cb9cce0 R14: 0000000000000406 R15: 0000000000000400 [ 74.232572][ T5853] bstr_printf+0xd0/0xb70 [ 74.236908][ T5853] bpf_trace_printk+0x10e/0x190 [ 74.241755][ T5853] ? ktime_get+0x3e/0x1f0 [ 74.246083][ T5853] ? __pfx_bpf_trace_printk+0x10/0x10 [ 74.251452][ T5853] ? __local_bh_disable_ip+0xf1/0x190 [ 74.256827][ T5853] ? read_tsc+0x9/0x20 [ 74.260888][ T5853] ? ktime_get+0x1cb/0x1f0 [ 74.265308][ T5853] bpf_prog_12183cdb1cd51dab+0x37/0x3f [ 74.270761][ T5853] bpf_test_run+0x38e/0x830 [ 74.275287][ T5853] ? bpf_test_run+0x205/0x830 [ 74.279968][ T5853] ? __pfx_bpf_test_run+0x10/0x10 [ 74.285066][ T5853] ? slab_build_skb+0x273/0x3e0 [ 74.289928][ T5853] ? convert___skb_to_skb+0x3d/0x590 [ 74.295214][ T5853] bpf_prog_test_run_skb+0xb30/0x1560 [ 74.300609][ T5853] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 74.306414][ T5853] bpf_prog_test_run+0x2c4/0x340 [ 74.311353][ T5853] __sys_bpf+0x581/0x870 [ 74.315596][ T5853] ? __pfx___sys_bpf+0x10/0x10 [ 74.320382][ T5853] __x64_sys_bpf+0x7c/0x90 [ 74.324825][ T5853] do_syscall_64+0xfa/0x3b0 [ 74.329346][ T5853] ? lockdep_hardirqs_on+0x9c/0x150 [ 74.334559][ T5853] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.340627][ T5853] ? clear_bhb_loop+0x60/0xb0 [ 74.345310][ T5853] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.351197][ T5853] RIP: 0033:0x7f090e67fbb9 [ 74.355608][ T5853] 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 [ 74.375230][ T5853] RSP: 002b:00007ffe746b8868 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 74.383644][ T5853] RAX: ffffffffffffffda RBX: 64006ad576d86aa0 RCX: 00007f090e67fbb9 [ 74.391621][ T5853] RDX: 0000000000000028 RSI: 0000200000000080 RDI: 000000000000000a [ 74.399586][ T5853] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 74.407570][ T5853] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.415551][ T5853] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 74.423537][ T5853] [ 74.426792][ T5853] Kernel Offset: disabled [ 74.431111][ T5853] Rebooting in 86400 seconds..