./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2953769041 <...> Warning: Permanently added '10.128.0.246' (ED25519) to the list of known hosts. execve("./syz-executor2953769041", ["./syz-executor2953769041"], 0x7fff510e1c00 /* 10 vars */) = 0 brk(NULL) = 0x55558bcc6000 brk(0x55558bcc6d00) = 0x55558bcc6d00 arch_prctl(ARCH_SET_FS, 0x55558bcc6380) = 0 set_tid_address(0x55558bcc6650) = 5833 set_robust_list(0x55558bcc6660, 24) = 0 rseq(0x55558bcc6ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2953769041", 4096) = 28 getrandom("\x06\xb1\x7c\x95\x26\xff\x09\x02", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558bcc6d00 brk(0x55558bce7d00) = 0x55558bce7d00 brk(0x55558bce8000) = 0x55558bce8000 mprotect(0x7f93cbd75000, 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./strace-static-x86_64: Process 5834 attached <unfinished ...> [pid 5834] set_robust_list(0x55558bcc6660, 24 <unfinished ...> [pid 5833] <... clone resumed>, child_tidptr=0x55558bcc6650) = 5834 [pid 5834] <... set_robust_list resumed>) = 0 [pid 5834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5834] setpgid(0, 0) = 0 [pid 5834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "1000", 4) = 4 [pid 5834] close(3executing program ) = 0 [pid 5834] write(1, "executing program\n", 18) = 18 [pid 5834] 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 [ 77.432291][ T5834] ------------[ cut here ]------------ [ 77.437856][ T5834] Please remove unsupported %� in format string [ 77.445478][ T5834] WARNING: CPU: 1 PID: 5834 at lib/vsprintf.c:2693 format_decode+0x8a2/0xca0 [ 77.454378][ T5834] Modules linked in: [ 77.458292][ T5834] CPU: 1 UID: 0 PID: 5834 Comm: syz-executor295 Not tainted 6.14.0-rc4-syzkaller #0 [ 77.467784][ T5834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 77.477970][ T5834] RIP: 0010:format_decode+0x8a2/0xca0 [ 77.483398][ T5834] Code: c7 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 60 13 55 8d e8 af 2c 7d f5 90 <0f> 0b 90 90 e9 a1 fc ff ff e8 00 6f bd f5 4d 89 ee 4c 8b 6c 24 08 [ 77.503075][ T5834] RSP: 0018:ffffc900041ef640 EFLAGS: 00010246 [ 77.509155][ T5834] RAX: d1aa33c58551b300 RBX: ffffffff8d550e61 RCX: ffff88807a355a00 [ 77.517188][ T5834] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 77.526501][ T5834] RBP: ffffffff8d550e60 R08: ffffffff81817e32 R09: fffffbfff1d3a614 [ 77.534538][ T5834] R10: dffffc0000000000 R11: fffffbfff1d3a614 R12: dffffc0000000000 [ 77.542549][ T5834] R13: 0000000000000000 R14: 0000000000000000 R15: ffffc900041ef8ec [ 77.550527][ T5834] FS: 000055558bcc6380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 77.559513][ T5834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.566145][ T5834] CR2: 00007f93cbd790d0 CR3: 0000000033ea8000 CR4: 0000000000350ef0 [ 77.574161][ T5834] Call Trace: [ 77.577454][ T5834] <TASK> [ 77.580376][ T5834] ? __warn+0x165/0x4d0 [ 77.584600][ T5834] ? format_decode+0x8a2/0xca0 [ 77.589391][ T5834] ? report_bug+0x2b3/0x500 [ 77.593951][ T5834] ? format_decode+0x8a2/0xca0 [ 77.598744][ T5834] ? handle_bug+0x60/0x90 [ 77.603140][ T5834] ? exc_invalid_op+0x1a/0x50 [ 77.607859][ T5834] ? asm_exc_invalid_op+0x1a/0x20 [ 77.612945][ T5834] ? __warn_printk+0x292/0x360 [ 77.617759][ T5834] ? format_decode+0x8a2/0xca0 [ 77.622588][ T5834] bstr_printf+0x165/0xee0 [ 77.627046][ T5834] ? __pfx_bpf_bprintf_prepare+0x10/0x10 [ 77.632742][ T5834] ? __pfx_bstr_printf+0x10/0x10 [ 77.637719][ T5834] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 77.644112][ T5834] ? bpf_trace_printk+0x115/0x230 [ 77.649172][ T5834] bpf_trace_printk+0x1a1/0x230 [ 77.654081][ T5834] ? ktime_get+0x102/0x200 [ 77.658522][ T5834] ? __pfx_bpf_trace_printk+0x10/0x10 [ 77.663941][ T5834] ? ktime_get+0x102/0x200 [ 77.668397][ T5834] ? bpf_test_run+0x370/0xa90 [ 77.673155][ T5834] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.678836][ T5834] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.684623][ T5834] bpf_prog_12183cdb1cd51dab+0x37/0x3f [ 77.690112][ T5834] bpf_test_run+0x4f2/0xa90 [ 77.694686][ T5834] ? bpf_test_run+0x370/0xa90 [ 77.699440][ T5834] ? __pfx_bpf_test_run+0x10/0x10 [ 77.704587][ T5834] ? __pfx_eth_type_trans+0x10/0x10 [ 77.709822][ T5834] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.715531][ T5834] ? convert___skb_to_skb+0x41/0x630 [ 77.720863][ T5834] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.726586][ T5834] bpf_prog_test_run_skb+0xcaa/0x1830 [ 77.732011][ T5834] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 77.737908][ T5834] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.743602][ T5834] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 77.749422][ T5834] bpf_prog_test_run+0x2e6/0x360 [ 77.754426][ T5834] __sys_bpf+0x487/0x820 [ 77.758700][ T5834] ? __pfx___sys_bpf+0x10/0x10 [ 77.763556][ T5834] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 77.769934][ T5834] ? exc_page_fault+0x590/0x8b0 [ 77.774841][ T5834] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.780688][ T5834] __x64_sys_bpf+0x7c/0x90 [ 77.785177][ T5834] do_syscall_64+0xf3/0x230 [ 77.789738][ T5834] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 77.795689][ T5834] RIP: 0033:0x7f93cbd02bb9 [ 77.800126][ T5834] 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 [ 77.820084][ T5834] RSP: 002b:00007ffda6d076c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 77.828581][ T5834] RAX: ffffffffffffffda RBX: 64006ad576d86aa0 RCX: 00007f93cbd02bb9 [ 77.836607][ T5834] RDX: 0000000000000028 RSI: 0000400000000080 RDI: 000000000000000a [ 77.844713][ T5834] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 77.852751][ T5834] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 77.860754][ T5834] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 77.868810][ T5834] </TASK> [ 77.871848][ T5834] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 77.879128][ T5834] CPU: 1 UID: 0 PID: 5834 Comm: syz-executor295 Not tainted 6.14.0-rc4-syzkaller #0 [ 77.888507][ T5834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 77.898574][ T5834] Call Trace: [ 77.901853][ T5834] <TASK> [ 77.904785][ T5834] dump_stack_lvl+0x241/0x360 [ 77.909487][ T5834] ? __pfx_dump_stack_lvl+0x10/0x10 [ 77.914690][ T5834] ? __pfx__printk+0x10/0x10 [ 77.919277][ T5834] ? _printk+0xd5/0x120 [ 77.923437][ T5834] ? __init_begin+0x41000/0x41000 [ 77.928473][ T5834] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.934116][ T5834] ? vscnprintf+0x5d/0x90 [ 77.938451][ T5834] panic+0x349/0x880 [ 77.942363][ T5834] ? __warn+0x174/0x4d0 [ 77.946573][ T5834] ? __pfx_panic+0x10/0x10 [ 77.951006][ T5834] __warn+0x344/0x4d0 [ 77.954999][ T5834] ? format_decode+0x8a2/0xca0 [ 77.959770][ T5834] report_bug+0x2b3/0x500 [ 77.964109][ T5834] ? format_decode+0x8a2/0xca0 [ 77.968902][ T5834] handle_bug+0x60/0x90 [ 77.973084][ T5834] exc_invalid_op+0x1a/0x50 [ 77.977631][ T5834] asm_exc_invalid_op+0x1a/0x20 [ 77.982487][ T5834] RIP: 0010:format_decode+0x8a2/0xca0 [ 77.987860][ T5834] Code: c7 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 60 13 55 8d e8 af 2c 7d f5 90 <0f> 0b 90 90 e9 a1 fc ff ff e8 00 6f bd f5 4d 89 ee 4c 8b 6c 24 08 [ 78.007466][ T5834] RSP: 0018:ffffc900041ef640 EFLAGS: 00010246 [ 78.013539][ T5834] RAX: d1aa33c58551b300 RBX: ffffffff8d550e61 RCX: ffff88807a355a00 [ 78.021511][ T5834] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 78.029478][ T5834] RBP: ffffffff8d550e60 R08: ffffffff81817e32 R09: fffffbfff1d3a614 [ 78.037481][ T5834] R10: dffffc0000000000 R11: fffffbfff1d3a614 R12: dffffc0000000000 [ 78.045449][ T5834] R13: 0000000000000000 R14: 0000000000000000 R15: ffffc900041ef8ec [ 78.053424][ T5834] ? __warn_printk+0x292/0x360 [ 78.058221][ T5834] bstr_printf+0x165/0xee0 [ 78.062651][ T5834] ? __pfx_bpf_bprintf_prepare+0x10/0x10 [ 78.068292][ T5834] ? __pfx_bstr_printf+0x10/0x10 [ 78.073406][ T5834] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 78.079752][ T5834] ? bpf_trace_printk+0x115/0x230 [ 78.084780][ T5834] bpf_trace_printk+0x1a1/0x230 [ 78.089633][ T5834] ? ktime_get+0x102/0x200 [ 78.094073][ T5834] ? __pfx_bpf_trace_printk+0x10/0x10 [ 78.099448][ T5834] ? ktime_get+0x102/0x200 [ 78.103871][ T5834] ? bpf_test_run+0x370/0xa90 [ 78.108566][ T5834] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.114203][ T5834] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.119854][ T5834] bpf_prog_12183cdb1cd51dab+0x37/0x3f [ 78.125308][ T5834] bpf_test_run+0x4f2/0xa90 [ 78.129831][ T5834] ? bpf_test_run+0x370/0xa90 [ 78.134532][ T5834] ? __pfx_bpf_test_run+0x10/0x10 [ 78.139591][ T5834] ? __pfx_eth_type_trans+0x10/0x10 [ 78.144794][ T5834] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.150446][ T5834] ? convert___skb_to_skb+0x41/0x630 [ 78.155744][ T5834] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.161396][ T5834] bpf_prog_test_run_skb+0xcaa/0x1830 [ 78.166805][ T5834] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 78.172630][ T5834] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.178272][ T5834] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 78.184103][ T5834] bpf_prog_test_run+0x2e6/0x360 [ 78.189049][ T5834] __sys_bpf+0x487/0x820 [ 78.193304][ T5834] ? __pfx___sys_bpf+0x10/0x10 [ 78.198110][ T5834] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 78.204452][ T5834] ? exc_page_fault+0x590/0x8b0 [ 78.209324][ T5834] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.214972][ T5834] __x64_sys_bpf+0x7c/0x90 [ 78.219393][ T5834] do_syscall_64+0xf3/0x230 [ 78.223921][ T5834] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.229840][ T5834] RIP: 0033:0x7f93cbd02bb9 [ 78.234252][ T5834] 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 [ 78.253865][ T5834] RSP: 002b:00007ffda6d076c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 78.262297][ T5834] RAX: ffffffffffffffda RBX: 64006ad576d86aa0 RCX: 00007f93cbd02bb9 [ 78.270283][ T5834] RDX: 0000000000000028 RSI: 0000400000000080 RDI: 000000000000000a [ 78.278264][ T5834] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 78.286328][ T5834] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 78.294313][ T5834] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 78.302301][ T5834] </TASK> [ 78.305459][ T5834] Kernel Offset: disabled [ 78.309831][ T5834] Rebooting in 86400 seconds..