./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2140844228
<...>
Warning: Permanently added '10.128.1.101' (ED25519) to the list of known hosts.
execve("./syz-executor2140844228", ["./syz-executor2140844228"], 0x7ffcb57a5110 /* 10 vars */) = 0
brk(NULL) = 0x555577563000
brk(0x555577563d00) = 0x555577563d00
arch_prctl(ARCH_SET_FS, 0x555577563380) = 0
set_tid_address(0x555577563650) = 5829
set_robust_list(0x555577563660, 24) = 0
rseq(0x555577563ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2140844228", 4096) = 28
getrandom("\x1e\x48\x9e\xd0\x2c\xbe\x11\x75", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555577563d00
brk(0x555577584d00) = 0x555577584d00
brk(0x555577585000) = 0x555577585000
mprotect(0x7f7c9a940000, 16384, PROT_READ) = 0
mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000
mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000
mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577563650) = 5830
./strace-static-x86_64: Process 5830 attached
[pid 5830] set_robust_list(0x555577563660, 24) = 0
[pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5830] setpgid(0, 0) = 0
[pid 5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5830] write(3, "1000", 4) = 4
[pid 5830] close(3) = 0
executing program
[pid 5830] write(1, "executing program\n", 18) = 18
[pid 5830] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=8, insns=0x400000001000, 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
[ 76.780251][ T5830] ------------[ cut here ]------------
[ 76.785868][ T5830] Please remove unsupported % in format string
[ 76.793519][ T5830] WARNING: CPU: 1 PID: 5830 at lib/vsprintf.c:2693 format_decode+0x8a2/0xca0
[ 76.802349][ T5830] Modules linked in:
[ 76.806306][ T5830] CPU: 1 UID: 0 PID: 5830 Comm: syz-executor214 Not tainted 6.14.0-rc4-syzkaller-00015-g2a1944bff549 #0
[ 76.817465][ T5830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 76.827713][ T5830] RIP: 0010:format_decode+0x8a2/0xca0
[ 76.833128][ T5830] Code: b7 22 04 01 90 4c 89 f8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 f0 03 00 00 41 0f b6 37 48 c7 c7 80 17 55 8d e8 af 1c 7d f5 90 <0f> 0b 90 90 e9 a1 fc ff ff e8 00 5f bd f5 4d 89 ee 4c 8b 6c 24 08
[ 76.853034][ T5830] RSP: 0018:ffffc90003c4f640 EFLAGS: 00010246
[ 76.859341][ T5830] RAX: 976a32fd775d4d00 RBX: ffffffff8d551281 RCX: ffff888034bc8000
[ 76.867460][ T5830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 76.875485][ T5830] RBP: ffffffff8d551280 R08: ffffffff81817e32 R09: 1ffff110170e519a
[ 76.883542][ T5830] R10: dffffc0000000000 R11: ffffed10170e519b R12: dffffc0000000000
[ 76.891550][ T5830] R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90003c4f8ec
[ 76.899674][ T5830] FS: 0000555577563380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[ 76.908723][ T5830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 76.915424][ T5830] CR2: 00007f7c9a9440d0 CR3: 0000000034fc8000 CR4: 0000000000350ef0
[ 76.923480][ T5830] Call Trace:
[ 76.926761][ T5830]
[ 76.929693][ T5830] ? __warn+0x165/0x4d0
[ 76.933926][ T5830] ? format_decode+0x8a2/0xca0
[ 76.938733][ T5830] ? report_bug+0x2b3/0x500
[ 76.943394][ T5830] ? format_decode+0x8a2/0xca0
[ 76.948223][ T5830] ? handle_bug+0x60/0x90
[ 76.952566][ T5830] ? exc_invalid_op+0x1a/0x50
[ 76.957313][ T5830] ? asm_exc_invalid_op+0x1a/0x20
[ 76.962408][ T5830] ? __warn_printk+0x292/0x360
[ 76.967358][ T5830] ? format_decode+0x8a2/0xca0
[ 76.972384][ T5830] bstr_printf+0x165/0xee0
[ 76.976958][ T5830] ? __pfx_bpf_bprintf_prepare+0x10/0x10
[ 76.982674][ T5830] ? __pfx_bstr_printf+0x10/0x10
[ 76.987775][ T5830] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 76.994261][ T5830] ? bpf_trace_printk+0x115/0x230
[ 76.999412][ T5830] bpf_trace_printk+0x1a1/0x230
[ 77.004321][ T5830] ? ktime_get+0x102/0x200
[ 77.008771][ T5830] ? __pfx_bpf_trace_printk+0x10/0x10
[ 77.014296][ T5830] ? ktime_get+0x102/0x200
[ 77.018761][ T5830] ? bpf_test_run+0x370/0xa90
[ 77.023562][ T5830] ? srso_alias_return_thunk+0x5/0xfbef5
[ 77.029239][ T5830] ? srso_alias_return_thunk+0x5/0xfbef5
[ 77.034939][ T5830] bpf_prog_12183cdb1cd51dab+0x37/0x3f
[ 77.040427][ T5830] bpf_test_run+0x4f2/0xa90
[ 77.045031][ T5830] ? bpf_test_run+0x370/0xa90
[ 77.049767][ T5830] ? __pfx_bpf_test_run+0x10/0x10
[ 77.054892][ T5830] ? __pfx_eth_type_trans+0x10/0x10
[ 77.060129][ T5830] ? srso_alias_return_thunk+0x5/0xfbef5
[ 77.065905][ T5830] ? convert___skb_to_skb+0x41/0x630
[ 77.071390][ T5830] ? srso_alias_return_thunk+0x5/0xfbef5
[ 77.077128][ T5830] bpf_prog_test_run_skb+0xcaa/0x1830
[ 77.082565][ T5830] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 77.088463][ T5830] ? srso_alias_return_thunk+0x5/0xfbef5
[ 77.094172][ T5830] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 77.100026][ T5830] bpf_prog_test_run+0x2e6/0x360
[ 77.105052][ T5830] __sys_bpf+0x487/0x820
[ 77.109328][ T5830] ? __pfx___sys_bpf+0x10/0x10
[ 77.114175][ T5830] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 77.120551][ T5830] ? exc_page_fault+0x590/0x8b0
[ 77.125536][ T5830] ? srso_alias_return_thunk+0x5/0xfbef5
[ 77.131213][ T5830] __x64_sys_bpf+0x7c/0x90
[ 77.135713][ T5830] do_syscall_64+0xf3/0x230
[ 77.140273][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 77.146213][ T5830] RIP: 0033:0x7f7c9a8cdbb9
[ 77.150645][ T5830] 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
[ 77.170303][ T5830] RSP: 002b:00007ffccf23df98 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 77.178798][ T5830] RAX: ffffffffffffffda RBX: 64006ad576d86aa0 RCX: 00007f7c9a8cdbb9
[ 77.186860][ T5830] RDX: 0000000000000028 RSI: 0000400000000080 RDI: 000000000000000a
[ 77.194885][ T5830] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[ 77.202892][ T5830] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 77.210919][ T5830] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 77.218974][ T5830]
[ 77.222036][ T5830] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 77.229334][ T5830] CPU: 1 UID: 0 PID: 5830 Comm: syz-executor214 Not tainted 6.14.0-rc4-syzkaller-00015-g2a1944bff549 #0
[ 77.240449][ T5830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 77.250540][ T5830] Call Trace:
[ 77.253841][ T5830]
[ 77.256785][ T5830] dump_stack_lvl+0x241/0x360
[ 77.261481][ T5830] ? __pfx_dump_stack_lvl+0x10/0x10
[ 77.266694][ T5830] ? __pfx__printk+0x10/0x10
[ 77.271295][ T5830] ? _printk+0xd5/0x120
[ 77.275464][ T5830] ? __init_begin+0x41000/0x41000
[ 77.280603][ T5830] ? srso_alias_return_thunk+0x5/0xfbef5
[ 77.286258][ T5830] ? vscnprintf+0x5d/0x90
[ 77.290596][ T5830] panic+0x349/0x880
[ 77.294499][ T5830] ? __warn+0x174/0x4d0
[ 77.298674][ T5830] ? __pfx_panic+0x10/0x10
[ 77.303121][ T5830] __warn+0x344/0x4d0
[ 77.307150][ T5830] ? format_decode+0x8a2/0xca0
[ 77.311923][ T5830] report_bug+0x2b3/0x500
[ 77.316263][ T5830] ? format_decode+0x8a2/0xca0
[ 77.321122][ T5830] handle_bug+0x60/0x90
[ 77.325295][ T5830] exc_invalid_op+0x1a/0x50
[ 77.329813][ T5830] asm_exc_invalid_op+0x1a/0x20
[ 77.334710][ T5830] RIP: 0010:format_decode+0x8a2/0xca0
[ 77.340123][ T5830] Code: b7 22 04 01 90 4c 89 f8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 f0 03 00 00 41 0f b6 37 48 c7 c7 80 17 55 8d e8 af 1c 7d f5 90 <0f> 0b 90 90 e9 a1 fc ff ff e8 00 5f bd f5 4d 89 ee 4c 8b 6c 24 08
[ 77.359775][ T5830] RSP: 0018:ffffc90003c4f640 EFLAGS: 00010246
[ 77.365906][ T5830] RAX: 976a32fd775d4d00 RBX: ffffffff8d551281 RCX: ffff888034bc8000
[ 77.373894][ T5830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 77.381876][ T5830] RBP: ffffffff8d551280 R08: ffffffff81817e32 R09: 1ffff110170e519a
[ 77.389954][ T5830] R10: dffffc0000000000 R11: ffffed10170e519b R12: dffffc0000000000
[ 77.398026][ T5830] R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90003c4f8ec
[ 77.406014][ T5830] ? __warn_printk+0x292/0x360
[ 77.410876][ T5830] bstr_printf+0x165/0xee0
[ 77.415339][ T5830] ? __pfx_bpf_bprintf_prepare+0x10/0x10
[ 77.420992][ T5830] ? __pfx_bstr_printf+0x10/0x10
[ 77.425935][ T5830] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 77.432291][ T5830] ? bpf_trace_printk+0x115/0x230
[ 77.437358][ T5830] bpf_trace_printk+0x1a1/0x230
[ 77.442305][ T5830] ? ktime_get+0x102/0x200
[ 77.446731][ T5830] ? __pfx_bpf_trace_printk+0x10/0x10
[ 77.452108][ T5830] ? ktime_get+0x102/0x200
[ 77.456556][ T5830] ? bpf_test_run+0x370/0xa90
[ 77.461255][ T5830] ? srso_alias_return_thunk+0x5/0xfbef5
[ 77.466914][ T5830] ? srso_alias_return_thunk+0x5/0xfbef5
[ 77.472596][ T5830] bpf_prog_12183cdb1cd51dab+0x37/0x3f
[ 77.478082][ T5830] bpf_test_run+0x4f2/0xa90
[ 77.482703][ T5830] ? bpf_test_run+0x370/0xa90
[ 77.487409][ T5830] ? __pfx_bpf_test_run+0x10/0x10
[ 77.492519][ T5830] ? __pfx_eth_type_trans+0x10/0x10
[ 77.497764][ T5830] ? srso_alias_return_thunk+0x5/0xfbef5
[ 77.503515][ T5830] ? convert___skb_to_skb+0x41/0x630
[ 77.508864][ T5830] ? srso_alias_return_thunk+0x5/0xfbef5
[ 77.514529][ T5830] bpf_prog_test_run_skb+0xcaa/0x1830
[ 77.519952][ T5830] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 77.525795][ T5830] ? srso_alias_return_thunk+0x5/0xfbef5
[ 77.531546][ T5830] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 77.537384][ T5830] bpf_prog_test_run+0x2e6/0x360
[ 77.542389][ T5830] __sys_bpf+0x487/0x820
[ 77.546681][ T5830] ? __pfx___sys_bpf+0x10/0x10
[ 77.551503][ T5830] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 77.557866][ T5830] ? exc_page_fault+0x590/0x8b0
[ 77.562850][ T5830] ? srso_alias_return_thunk+0x5/0xfbef5
[ 77.568539][ T5830] __x64_sys_bpf+0x7c/0x90
[ 77.572982][ T5830] do_syscall_64+0xf3/0x230
[ 77.577510][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 77.583892][ T5830] RIP: 0033:0x7f7c9a8cdbb9
[ 77.588353][ T5830] 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
[ 77.607969][ T5830] RSP: 002b:00007ffccf23df98 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 77.616425][ T5830] RAX: ffffffffffffffda RBX: 64006ad576d86aa0 RCX: 00007f7c9a8cdbb9
[ 77.624424][ T5830] RDX: 0000000000000028 RSI: 0000400000000080 RDI: 000000000000000a
[ 77.632393][ T5830] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[ 77.640402][ T5830] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 77.648381][ T5830] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 77.656373][ T5830]
[ 77.659717][ T5830] Kernel Offset: disabled
[ 77.664091][ T5830] Rebooting in 86400 seconds..