./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2508764826 <...> Warning: Permanently added '10.128.0.239' (ED25519) to the list of known hosts. execve("./syz-executor2508764826", ["./syz-executor2508764826"], 0x7ffc7d7be3d0 /* 10 vars */) = 0 brk(NULL) = 0x5555943a6000 brk(0x5555943a6d00) = 0x5555943a6d00 arch_prctl(ARCH_SET_FS, 0x5555943a6380) = 0 set_tid_address(0x5555943a6650) = 5818 set_robust_list(0x5555943a6660, 24) = 0 rseq(0x5555943a6ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2508764826", 4096) = 28 getrandom("\x62\xe2\x00\xe5\x83\x7d\x1e\x03", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555943a6d00 brk(0x5555943c7d00) = 0x5555943c7d00 brk(0x5555943c8000) = 0x5555943c8000 mprotect(0x7f6bc4504000, 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 5819 attached [pid 5819] set_robust_list(0x5555943a6660, 24 [pid 5818] <... clone resumed>, child_tidptr=0x5555943a6650) = 5819 [pid 5819] <... set_robust_list resumed>) = 0 [pid 5819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5819] setpgid(0, 0) = 0 [pid 5819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "1000", 4) = 4 [pid 5819] close(3) = 0 [pid 5819] write(1, "executing program\n", 18executing program ) = 18 [pid 5819] 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 [ 68.465528][ T5819] ------------[ cut here ]------------ [ 68.471196][ T5819] Please remove unsupported % in format string [ 68.477852][ T5819] WARNING: CPU: 0 PID: 5819 at lib/vsprintf.c:2704 format_decode+0x1193/0x1bb0 [ 68.486881][ T5819] Modules linked in: [ 68.490833][ T5819] CPU: 0 UID: 0 PID: 5819 Comm: syz-executor250 Not tainted 6.13.0-rc6-syzkaller-00046-g0b7958fa05d5 #0 [ 68.502005][ T5819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 68.512114][ T5819] RIP: 0010:format_decode+0x1193/0x1bb0 [ 68.517665][ T5819] Code: 9a e2 f5 c6 05 f6 c9 45 04 01 90 43 0f b6 04 34 84 c0 0f 85 14 0a 00 00 41 0f b6 75 00 48 c7 c7 20 15 31 8d e8 7e 3d a3 f5 90 <0f> 0b 90 90 e9 0e fd ff ff 48 8b 4c 24 10 80 e1 07 38 c1 0f 8c 14 [ 68.537325][ T5819] RSP: 0018:ffffc9000409f5c0 EFLAGS: 00010246 [ 68.543472][ T5819] RAX: 6d39ae2ba7021200 RBX: 0000000000000000 RCX: ffff888078e70000 [ 68.551488][ T5819] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 68.559495][ T5819] RBP: ffffc9000409f6b0 R08: ffffffff816019a2 R09: 1ffff110170c519a [ 68.567484][ T5819] R10: dffffc0000000000 R11: ffffed10170c519b R12: 1ffff92000813f1d [ 68.575494][ T5819] R13: ffffc9000409f8ec R14: dffffc0000000000 R15: ffff0000ffffff00 [ 68.583508][ T5819] FS: 00005555943a6380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 68.592508][ T5819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.599138][ T5819] CR2: 00007f6bc45080d0 CR3: 00000000761d4000 CR4: 00000000003526f0 [ 68.607109][ T5819] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.615202][ T5819] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.623213][ T5819] Call Trace: [ 68.626520][ T5819] [ 68.629484][ T5819] ? __warn+0x165/0x4d0 [ 68.633677][ T5819] ? format_decode+0x1193/0x1bb0 [ 68.638614][ T5819] ? report_bug+0x2b3/0x500 [ 68.643165][ T5819] ? format_decode+0x1193/0x1bb0 [ 68.648125][ T5819] ? handle_bug+0x60/0x90 [ 68.652495][ T5819] ? exc_invalid_op+0x1a/0x50 [ 68.657186][ T5819] ? asm_exc_invalid_op+0x1a/0x20 [ 68.662257][ T5819] ? __warn_printk+0x292/0x360 [ 68.667070][ T5819] ? format_decode+0x1193/0x1bb0 [ 68.672098][ T5819] ? __pfx_format_decode+0x10/0x10 [ 68.677237][ T5819] ? bstr_printf+0x721/0x1210 [ 68.681971][ T5819] bstr_printf+0x137/0x1210 [ 68.686503][ T5819] ? __pfx_bstr_printf+0x10/0x10 [ 68.691514][ T5819] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 68.697869][ T5819] ? bpf_trace_printk+0x115/0x230 [ 68.702959][ T5819] bpf_trace_printk+0x1a1/0x230 [ 68.707828][ T5819] ? ktime_get+0x114/0x1f0 [ 68.712382][ T5819] ? __pfx_bpf_trace_printk+0x10/0x10 [ 68.717779][ T5819] ? ktime_get+0x114/0x1f0 [ 68.722251][ T5819] ? bpf_test_run+0x370/0xa90 [ 68.726950][ T5819] ? read_tsc+0x9/0x20 [ 68.731089][ T5819] bpf_prog_12183cdb1cd51dab+0x37/0x3b [ 68.737099][ T5819] bpf_test_run+0x4f0/0xa90 [ 68.741698][ T5819] ? bpf_test_run+0x370/0xa90 [ 68.746402][ T5819] ? __pfx_bpf_test_run+0x10/0x10 [ 68.751501][ T5819] ? __pfx_eth_type_trans+0x10/0x10 [ 68.756751][ T5819] ? convert___skb_to_skb+0x41/0x620 [ 68.762099][ T5819] bpf_prog_test_run_skb+0xca2/0x1820 [ 68.767504][ T5819] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 68.773363][ T5819] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 68.779214][ T5819] bpf_prog_test_run+0x2e4/0x360 [ 68.784185][ T5819] __sys_bpf+0x48d/0x810 [ 68.788445][ T5819] ? __pfx___sys_bpf+0x10/0x10 [ 68.793264][ T5819] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 68.799643][ T5819] ? exc_page_fault+0x590/0x8b0 [ 68.804502][ T5819] __x64_sys_bpf+0x7c/0x90 [ 68.808990][ T5819] do_syscall_64+0xf3/0x230 [ 68.813525][ T5819] ? clear_bhb_loop+0x35/0x90 [ 68.818229][ T5819] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.824176][ T5819] RIP: 0033:0x7f6bc4491bf9 [ 68.828609][ T5819] 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 [ 68.848266][ T5819] RSP: 002b:00007ffdb1519048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 68.856731][ T5819] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6bc4491bf9 [ 68.864817][ T5819] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 68.872828][ T5819] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 68.880864][ T5819] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.888870][ T5819] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 68.896871][ T5819] [ 68.899949][ T5819] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 68.907248][ T5819] CPU: 0 UID: 0 PID: 5819 Comm: syz-executor250 Not tainted 6.13.0-rc6-syzkaller-00046-g0b7958fa05d5 #0 [ 68.918355][ T5819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 68.928405][ T5819] Call Trace: [ 68.931778][ T5819] [ 68.934719][ T5819] dump_stack_lvl+0x241/0x360 [ 68.939405][ T5819] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.944603][ T5819] ? __pfx__printk+0x10/0x10 [ 68.949196][ T5819] ? _printk+0xd5/0x120 [ 68.953351][ T5819] ? __init_begin+0x41000/0x41000 [ 68.958384][ T5819] ? vscnprintf+0x5d/0x90 [ 68.962715][ T5819] panic+0x349/0x880 [ 68.966615][ T5819] ? __warn+0x174/0x4d0 [ 68.970763][ T5819] ? __pfx_panic+0x10/0x10 [ 68.975182][ T5819] __warn+0x344/0x4d0 [ 68.979239][ T5819] ? format_decode+0x1193/0x1bb0 [ 68.984168][ T5819] report_bug+0x2b3/0x500 [ 68.988495][ T5819] ? format_decode+0x1193/0x1bb0 [ 68.993429][ T5819] handle_bug+0x60/0x90 [ 68.997578][ T5819] exc_invalid_op+0x1a/0x50 [ 69.002075][ T5819] asm_exc_invalid_op+0x1a/0x20 [ 69.006922][ T5819] RIP: 0010:format_decode+0x1193/0x1bb0 [ 69.012457][ T5819] Code: 9a e2 f5 c6 05 f6 c9 45 04 01 90 43 0f b6 04 34 84 c0 0f 85 14 0a 00 00 41 0f b6 75 00 48 c7 c7 20 15 31 8d e8 7e 3d a3 f5 90 <0f> 0b 90 90 e9 0e fd ff ff 48 8b 4c 24 10 80 e1 07 38 c1 0f 8c 14 [ 69.032059][ T5819] RSP: 0018:ffffc9000409f5c0 EFLAGS: 00010246 [ 69.038122][ T5819] RAX: 6d39ae2ba7021200 RBX: 0000000000000000 RCX: ffff888078e70000 [ 69.046085][ T5819] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 69.054046][ T5819] RBP: ffffc9000409f6b0 R08: ffffffff816019a2 R09: 1ffff110170c519a [ 69.062009][ T5819] R10: dffffc0000000000 R11: ffffed10170c519b R12: 1ffff92000813f1d [ 69.069979][ T5819] R13: ffffc9000409f8ec R14: dffffc0000000000 R15: ffff0000ffffff00 [ 69.077950][ T5819] ? __warn_printk+0x292/0x360 [ 69.082721][ T5819] ? __pfx_format_decode+0x10/0x10 [ 69.087842][ T5819] ? bstr_printf+0x721/0x1210 [ 69.092511][ T5819] bstr_printf+0x137/0x1210 [ 69.097007][ T5819] ? __pfx_bstr_printf+0x10/0x10 [ 69.101943][ T5819] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 69.108264][ T5819] ? bpf_trace_printk+0x115/0x230 [ 69.113286][ T5819] bpf_trace_printk+0x1a1/0x230 [ 69.118133][ T5819] ? ktime_get+0x114/0x1f0 [ 69.122542][ T5819] ? __pfx_bpf_trace_printk+0x10/0x10 [ 69.127901][ T5819] ? ktime_get+0x114/0x1f0 [ 69.132336][ T5819] ? bpf_test_run+0x370/0xa90 [ 69.137003][ T5819] ? read_tsc+0x9/0x20 [ 69.141074][ T5819] bpf_prog_12183cdb1cd51dab+0x37/0x3b [ 69.146539][ T5819] bpf_test_run+0x4f0/0xa90 [ 69.151051][ T5819] ? bpf_test_run+0x370/0xa90 [ 69.155728][ T5819] ? __pfx_bpf_test_run+0x10/0x10 [ 69.160764][ T5819] ? __pfx_eth_type_trans+0x10/0x10 [ 69.165958][ T5819] ? convert___skb_to_skb+0x41/0x620 [ 69.171328][ T5819] bpf_prog_test_run_skb+0xca2/0x1820 [ 69.176698][ T5819] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 69.182505][ T5819] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 69.188405][ T5819] bpf_prog_test_run+0x2e4/0x360 [ 69.193425][ T5819] __sys_bpf+0x48d/0x810 [ 69.197662][ T5819] ? __pfx___sys_bpf+0x10/0x10 [ 69.202456][ T5819] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 69.208864][ T5819] ? exc_page_fault+0x590/0x8b0 [ 69.213726][ T5819] __x64_sys_bpf+0x7c/0x90 [ 69.218141][ T5819] do_syscall_64+0xf3/0x230 [ 69.222668][ T5819] ? clear_bhb_loop+0x35/0x90 [ 69.227342][ T5819] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.233234][ T5819] RIP: 0033:0x7f6bc4491bf9 [ 69.237638][ T5819] 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 [ 69.257435][ T5819] RSP: 002b:00007ffdb1519048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 69.265849][ T5819] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6bc4491bf9 [ 69.273818][ T5819] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 69.281789][ T5819] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 69.289780][ T5819] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.297746][ T5819] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 69.305722][ T5819] [ 69.309028][ T5819] Kernel Offset: disabled [ 69.313377][ T5819] Rebooting in 86400 seconds..