./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor940386511 <...> Warning: Permanently added '10.128.0.123' (ED25519) to the list of known hosts. execve("./syz-executor940386511", ["./syz-executor940386511"], 0x7ffe136405c0 /* 10 vars */) = 0 brk(NULL) = 0x555594cff000 brk(0x555594cffd00) = 0x555594cffd00 arch_prctl(ARCH_SET_FS, 0x555594cff380) = 0 set_tid_address(0x555594cff650) = 5076 set_robust_list(0x555594cff660, 24) = 0 rseq(0x555594cffca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor940386511", 4096) = 27 getrandom("\x4c\xd1\x7d\xe2\x7a\x03\x34\x7c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555594cffd00 brk(0x555594d20d00) = 0x555594d20d00 brk(0x555594d21000) = 0x555594d21000 mprotect(0x7fe57c6df000, 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, child_tidptr=0x555594cff650) = 5077 ./strace-static-x86_64: Process 5077 attached [pid 5077] set_robust_list(0x555594cff660, 24) = 0 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5077] setpgid(0, 0) = 0 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1000", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] 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 [ 109.739238][ T5077] ------------[ cut here ]------------ [ 109.745016][ T5077] Please remove unsupported % in format string [ 109.753276][ T5077] WARNING: CPU: 1 PID: 5077 at lib/vsprintf.c:2680 format_decode+0xa07/0xba0 [ 109.762420][ T5077] Modules linked in: [ 109.766435][ T5077] CPU: 1 PID: 5077 Comm: syz-executor940 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 109.776599][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 109.786757][ T5077] RIP: 0010:format_decode+0xa07/0xba0 [ 109.792334][ T5077] Code: f6 41 c6 44 24 05 08 e9 c4 fa ff ff e8 f2 a3 c9 f6 c6 05 8b 52 c4 04 01 90 48 c7 c7 60 a5 5b 8c 40 0f b6 f5 e8 fa 59 8c f6 90 <0f> 0b 90 90 e9 17 fc ff ff 48 8b 3c 24 e8 a7 85 24 f7 e9 0f f7 ff [ 109.812086][ T5077] RSP: 0018:ffffc90004297780 EFLAGS: 00010286 [ 109.818221][ T5077] RAX: 0000000000000000 RBX: ffffc900042979f4 RCX: ffffffff8150f3e9 [ 109.826284][ T5077] RDX: ffff88802abd0000 RSI: ffffffff8150f3f6 RDI: 0000000000000001 [ 109.834438][ T5077] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 109.842630][ T5077] R10: 0000000000000000 R11: 0000000000000001 R12: ffffc90004297880 [ 109.850715][ T5077] R13: 0000000000000000 R14: 0000000000000000 R15: 00000000ffffffd0 [ 109.858954][ T5077] FS: 0000555594cff380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 109.867955][ T5077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.874720][ T5077] CR2: 00007fe57c6e30d0 CR3: 0000000077848000 CR4: 0000000000350ef0 [ 109.882835][ T5077] Call Trace: [ 109.886154][ T5077] [ 109.889197][ T5077] ? show_regs+0x8c/0xa0 [ 109.893509][ T5077] ? __warn+0xe5/0x390 [ 109.897617][ T5077] ? __wake_up_klogd.part.0+0x99/0xf0 [ 109.903177][ T5077] ? format_decode+0xa07/0xba0 [ 109.908029][ T5077] ? report_bug+0x3c0/0x580 [ 109.912671][ T5077] ? handle_bug+0x3d/0x70 [ 109.917166][ T5077] ? exc_invalid_op+0x17/0x50 [ 109.922897][ T5077] ? asm_exc_invalid_op+0x1a/0x20 [ 109.928037][ T5077] ? __warn_printk+0x199/0x350 [ 109.932913][ T5077] ? __warn_printk+0x1a6/0x350 [ 109.937763][ T5077] ? format_decode+0xa07/0xba0 [ 109.942678][ T5077] ? __pfx_format_decode+0x10/0x10 [ 109.948460][ T5077] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 109.954410][ T5077] ? srso_return_thunk+0x5/0x5f [ 109.959363][ T5077] ? bpf_bprintf_prepare+0x5ea/0x1490 [ 109.964834][ T5077] bstr_printf+0x137/0x1090 [ 109.969458][ T5077] ? __pfx_bstr_printf+0x10/0x10 [ 109.974467][ T5077] ? bpf_test_run+0x396/0x9e0 [ 109.979677][ T5077] bpf_trace_printk+0x10b/0x190 [ 109.984592][ T5077] ? __pfx_bpf_trace_printk+0x10/0x10 [ 109.990078][ T5077] ? bpf_test_run+0x396/0x9e0 [ 109.994811][ T5077] ? lockdep_hardirqs_on+0x7c/0x110 [ 110.000103][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.005024][ T5077] ? ktime_get+0x2a5/0x4a0 [ 110.009541][ T5077] bpf_prog_12183cdb1cd51dab+0x36/0x3e [ 110.015036][ T5077] bpf_test_run+0x3e5/0x9e0 [ 110.019644][ T5077] ? __pfx_bpf_test_run+0x10/0x10 [ 110.024753][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.029698][ T5077] ? kasan_save_track+0x14/0x30 [ 110.034616][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.039655][ T5077] ? eth_type_trans+0x2b2/0x680 [ 110.044585][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.049531][ T5077] ? krealloc+0xa7/0x100 [ 110.053848][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.058802][ T5077] bpf_prog_test_run_skb+0xb17/0x1db0 [ 110.064256][ T5077] ? __x86_indirect_jump_thunk_r11+0x20/0x20 [ 110.070603][ T5077] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 110.076475][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.081437][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.086462][ T5077] ? __fget_light+0x176/0x210 [ 110.091247][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.096193][ T5077] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 110.102105][ T5077] __sys_bpf+0xd59/0x4b40 [ 110.106525][ T5077] ? __pfx_lock_acquire+0x10/0x10 [ 110.111639][ T5077] ? ptrace_stop.part.0+0x44a/0x940 [ 110.116913][ T5077] ? __pfx___sys_bpf+0x10/0x10 [ 110.121778][ T5077] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 110.127211][ T5077] ? cgroup_update_frozen+0x144/0x6b0 [ 110.132734][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.137693][ T5077] ? _raw_spin_unlock_irq+0x23/0x50 [ 110.142995][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.147915][ T5077] ? lockdep_hardirqs_on+0x7c/0x110 [ 110.153219][ T5077] __x64_sys_bpf+0x78/0xc0 [ 110.157719][ T5077] do_syscall_64+0xd5/0x260 [ 110.162329][ T5077] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.168388][ T5077] RIP: 0033:0x7fe57c66cbb9 [ 110.172944][ T5077] 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 [ 110.192761][ T5077] RSP: 002b:00007ffef494da38 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 110.201298][ T5077] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe57c66cbb9 [ 110.209460][ T5077] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 110.217483][ T5077] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 110.225593][ T5077] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 110.233666][ T5077] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 110.241776][ T5077] [ 110.244831][ T5077] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 110.252144][ T5077] CPU: 1 PID: 5077 Comm: syz-executor940 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 110.262610][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 110.272692][ T5077] Call Trace: [ 110.276000][ T5077] [ 110.278948][ T5077] dump_stack_lvl+0x3d/0x1f0 [ 110.283580][ T5077] panic+0x6f5/0x7a0 [ 110.287515][ T5077] ? __pfx_panic+0x10/0x10 [ 110.291982][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.296866][ T5077] ? show_trace_log_lvl+0x363/0x500 [ 110.302132][ T5077] ? check_panic_on_warn+0x1f/0xb0 [ 110.307278][ T5077] ? format_decode+0xa07/0xba0 [ 110.312339][ T5077] check_panic_on_warn+0xab/0xb0 [ 110.317337][ T5077] __warn+0xf1/0x390 [ 110.321293][ T5077] ? __wake_up_klogd.part.0+0x99/0xf0 [ 110.326712][ T5077] ? format_decode+0xa07/0xba0 [ 110.331526][ T5077] report_bug+0x3c0/0x580 [ 110.335919][ T5077] handle_bug+0x3d/0x70 [ 110.340116][ T5077] exc_invalid_op+0x17/0x50 [ 110.344643][ T5077] asm_exc_invalid_op+0x1a/0x20 [ 110.349534][ T5077] RIP: 0010:format_decode+0xa07/0xba0 [ 110.355023][ T5077] Code: f6 41 c6 44 24 05 08 e9 c4 fa ff ff e8 f2 a3 c9 f6 c6 05 8b 52 c4 04 01 90 48 c7 c7 60 a5 5b 8c 40 0f b6 f5 e8 fa 59 8c f6 90 <0f> 0b 90 90 e9 17 fc ff ff 48 8b 3c 24 e8 a7 85 24 f7 e9 0f f7 ff [ 110.374661][ T5077] RSP: 0018:ffffc90004297780 EFLAGS: 00010286 [ 110.380754][ T5077] RAX: 0000000000000000 RBX: ffffc900042979f4 RCX: ffffffff8150f3e9 [ 110.388758][ T5077] RDX: ffff88802abd0000 RSI: ffffffff8150f3f6 RDI: 0000000000000001 [ 110.396750][ T5077] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 110.404764][ T5077] R10: 0000000000000000 R11: 0000000000000001 R12: ffffc90004297880 [ 110.412937][ T5077] R13: 0000000000000000 R14: 0000000000000000 R15: 00000000ffffffd0 [ 110.421047][ T5077] ? __warn_printk+0x199/0x350 [ 110.425885][ T5077] ? __warn_printk+0x1a6/0x350 [ 110.430754][ T5077] ? __pfx_format_decode+0x10/0x10 [ 110.436081][ T5077] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 110.442721][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.447643][ T5077] ? bpf_bprintf_prepare+0x5ea/0x1490 [ 110.453097][ T5077] bstr_printf+0x137/0x1090 [ 110.457647][ T5077] ? __pfx_bstr_printf+0x10/0x10 [ 110.462640][ T5077] ? bpf_test_run+0x396/0x9e0 [ 110.467351][ T5077] bpf_trace_printk+0x10b/0x190 [ 110.472252][ T5077] ? __pfx_bpf_trace_printk+0x10/0x10 [ 110.477680][ T5077] ? bpf_test_run+0x396/0x9e0 [ 110.482401][ T5077] ? lockdep_hardirqs_on+0x7c/0x110 [ 110.487664][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.492611][ T5077] ? ktime_get+0x2a5/0x4a0 [ 110.497079][ T5077] bpf_prog_12183cdb1cd51dab+0x36/0x3e [ 110.502570][ T5077] bpf_test_run+0x3e5/0x9e0 [ 110.507145][ T5077] ? __pfx_bpf_test_run+0x10/0x10 [ 110.512208][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.517092][ T5077] ? kasan_save_track+0x14/0x30 [ 110.522000][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.526896][ T5077] ? eth_type_trans+0x2b2/0x680 [ 110.531786][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.536709][ T5077] ? krealloc+0xa7/0x100 [ 110.541015][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.545934][ T5077] bpf_prog_test_run_skb+0xb17/0x1db0 [ 110.551354][ T5077] ? __x86_indirect_jump_thunk_r11+0x20/0x20 [ 110.557380][ T5077] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 110.563252][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.568375][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.573275][ T5077] ? __fget_light+0x176/0x210 [ 110.578006][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.582905][ T5077] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 110.588754][ T5077] __sys_bpf+0xd59/0x4b40 [ 110.593119][ T5077] ? __pfx_lock_acquire+0x10/0x10 [ 110.598283][ T5077] ? ptrace_stop.part.0+0x44a/0x940 [ 110.603584][ T5077] ? __pfx___sys_bpf+0x10/0x10 [ 110.608762][ T5077] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 110.614164][ T5077] ? cgroup_update_frozen+0x144/0x6b0 [ 110.619589][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.624718][ T5077] ? _raw_spin_unlock_irq+0x23/0x50 [ 110.630067][ T5077] ? srso_return_thunk+0x5/0x5f [ 110.634958][ T5077] ? lockdep_hardirqs_on+0x7c/0x110 [ 110.640204][ T5077] __x64_sys_bpf+0x78/0xc0 [ 110.644667][ T5077] do_syscall_64+0xd5/0x260 [ 110.649238][ T5077] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.655193][ T5077] RIP: 0033:0x7fe57c66cbb9 [ 110.659639][ T5077] 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 [ 110.679298][ T5077] RSP: 002b:00007ffef494da38 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 110.687762][ T5077] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe57c66cbb9 [ 110.695762][ T5077] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 110.703755][ T5077] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 110.711757][ T5077] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 110.719747][ T5077] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 110.727763][ T5077] [ 110.731048][ T5077] Kernel Offset: disabled [ 110.735433][ T5077] Rebooting in 86400 seconds..