./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1880926143 <...> Warning: Permanently added '10.128.0.104' (ED25519) to the list of known hosts. execve("./syz-executor1880926143", ["./syz-executor1880926143"], 0x7ffcbb4aaea0 /* 10 vars */) = 0 brk(NULL) = 0x55557a135000 brk(0x55557a135d00) = 0x55557a135d00 arch_prctl(ARCH_SET_FS, 0x55557a135380) = 0 set_tid_address(0x55557a135650) = 5831 set_robust_list(0x55557a135660, 24) = 0 rseq(0x55557a135ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1880926143", 4096) = 28 getrandom("\x19\x34\xdc\xc5\xab\xab\x8a\x54", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557a135d00 brk(0x55557a156d00) = 0x55557a156d00 brk(0x55557a157000) = 0x55557a157000 mprotect(0x7f00c78c4000, 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 executing program write(1, "executing program\n", 18) = 18 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 [ 63.852322][ T5831] ------------[ cut here ]------------ [ 63.858010][ T5831] Please remove unsupported % in format string [ 63.864779][ T5831] WARNING: CPU: 0 PID: 5831 at lib/vsprintf.c:2659 format_decode+0x1193/0x1bb0 [ 63.873780][ T5831] Modules linked in: [ 63.877697][ T5831] CPU: 0 UID: 0 PID: 5831 Comm: syz-executor188 Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #0 [ 63.888840][ T5831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 63.898938][ T5831] RIP: 0010:format_decode+0x1193/0x1bb0 [ 63.904532][ T5831] Code: 32 dd f5 c6 05 97 0a 4e 04 01 90 43 0f b6 04 34 84 c0 0f 85 14 0a 00 00 41 0f b6 75 00 48 c7 c7 e0 ac 34 8d e8 5e 27 9e f5 90 <0f> 0b 90 90 e9 0e fd ff ff 48 8b 4c 24 10 80 e1 07 38 c1 0f 8c 14 [ 63.924208][ T5831] RSP: 0018:ffffc9000386f5c0 EFLAGS: 00010246 [ 63.930270][ T5831] RAX: b0094a5d18138e00 RBX: 0000000000000000 RCX: ffff88807d3a0000 [ 63.938310][ T5831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 63.946367][ T5831] RBP: ffffc9000386f6b0 R08: ffffffff8155d162 R09: fffffbfff1cf9fd0 [ 63.954423][ T5831] R10: dffffc0000000000 R11: fffffbfff1cf9fd0 R12: 1ffff9200070df1d [ 63.962421][ T5831] R13: ffffc9000386f8ec R14: dffffc0000000000 R15: ffff0000ffffff00 [ 63.970438][ T5831] FS: 000055557a135380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 63.979406][ T5831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.986023][ T5831] CR2: 0000000018874398 CR3: 00000000794f8000 CR4: 00000000003526f0 [ 63.994042][ T5831] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.002031][ T5831] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.010106][ T5831] Call Trace: [ 64.013425][ T5831] [ 64.016352][ T5831] ? __warn+0x168/0x4e0 [ 64.020521][ T5831] ? format_decode+0x1193/0x1bb0 [ 64.025503][ T5831] ? report_bug+0x2b3/0x500 [ 64.030033][ T5831] ? format_decode+0x1193/0x1bb0 [ 64.035028][ T5831] ? handle_bug+0x60/0x90 [ 64.039406][ T5831] ? exc_invalid_op+0x1a/0x50 [ 64.044145][ T5831] ? asm_exc_invalid_op+0x1a/0x20 [ 64.049212][ T5831] ? __warn_printk+0x292/0x360 [ 64.054027][ T5831] ? format_decode+0x1193/0x1bb0 [ 64.058987][ T5831] ? __pfx_format_decode+0x10/0x10 [ 64.064180][ T5831] ? bstr_printf+0x721/0x1210 [ 64.068890][ T5831] bstr_printf+0x137/0x1210 [ 64.073447][ T5831] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 64.079795][ T5831] ? __pfx_bstr_printf+0x10/0x10 [ 64.084786][ T5831] ? timekeeping_get_ns+0x5c/0x420 [ 64.089914][ T5831] ? lockdep_hardirqs_on+0x99/0x150 [ 64.095153][ T5831] ? bpf_trace_printk+0x115/0x230 [ 64.100207][ T5831] bpf_trace_printk+0x1a1/0x230 [ 64.105102][ T5831] ? timekeeping_get_ns+0x2b1/0x420 [ 64.110319][ T5831] ? __pfx_bpf_trace_printk+0x10/0x10 [ 64.115747][ T5831] ? timekeeping_get_ns+0x2b1/0x420 [ 64.120959][ T5831] ? bpf_test_run+0x370/0xa90 [ 64.125688][ T5831] bpf_prog_12183cdb1cd51dab+0x37/0x3b [ 64.131167][ T5831] bpf_test_run+0x4f0/0xa90 [ 64.135705][ T5831] ? do_syscall_64+0xf3/0x230 [ 64.140393][ T5831] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.146523][ T5831] ? bpf_test_run+0x370/0xa90 [ 64.151217][ T5831] ? __pfx_bpf_test_run+0x10/0x10 [ 64.156315][ T5831] ? eth_type_trans+0x3d1/0x7a0 [ 64.161184][ T5831] ? __pfx_eth_type_trans+0x10/0x10 [ 64.166430][ T5831] ? convert___skb_to_skb+0x41/0x620 [ 64.171754][ T5831] bpf_prog_test_run_skb+0xc97/0x1820 [ 64.177192][ T5831] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 64.183066][ T5831] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 64.188910][ T5831] bpf_prog_test_run+0x2e4/0x360 [ 64.193929][ T5831] __sys_bpf+0x48d/0x810 [ 64.198236][ T5831] ? __pfx___sys_bpf+0x10/0x10 [ 64.203065][ T5831] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 64.209409][ T5831] ? do_syscall_64+0x100/0x230 [ 64.214222][ T5831] __x64_sys_bpf+0x7c/0x90 [ 64.218651][ T5831] do_syscall_64+0xf3/0x230 [ 64.223198][ T5831] ? clear_bhb_loop+0x35/0x90 [ 64.227889][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.233829][ T5831] RIP: 0033:0x7f00c78514e9 [ 64.238280][ T5831] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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 [ 64.258028][ T5831] RSP: 002b:00007fffb87a9c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 64.266572][ T5831] RAX: ffffffffffffffda RBX: 00007fffb87a9e18 RCX: 00007f00c78514e9 [ 64.274595][ T5831] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 64.282580][ T5831] RBP: 00007f00c78c4610 R08: 0000000000000000 R09: 00007fffb87a9e18 [ 64.290595][ T5831] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 64.298631][ T5831] R13: 00007fffb87a9e08 R14: 0000000000000001 R15: 0000000000000001 [ 64.306661][ T5831] [ 64.309698][ T5831] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 64.316978][ T5831] CPU: 0 UID: 0 PID: 5831 Comm: syz-executor188 Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #0 [ 64.328085][ T5831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 64.338136][ T5831] Call Trace: [ 64.341410][ T5831] [ 64.344336][ T5831] dump_stack_lvl+0x241/0x360 [ 64.349449][ T5831] ? __pfx_dump_stack_lvl+0x10/0x10 [ 64.354642][ T5831] ? __pfx__printk+0x10/0x10 [ 64.359233][ T5831] ? vscnprintf+0x5d/0x90 [ 64.363562][ T5831] panic+0x349/0x880 [ 64.367454][ T5831] ? __warn+0x177/0x4e0 [ 64.371603][ T5831] ? __pfx_panic+0x10/0x10 [ 64.376028][ T5831] __warn+0x34b/0x4e0 [ 64.380007][ T5831] ? format_decode+0x1193/0x1bb0 [ 64.384943][ T5831] report_bug+0x2b3/0x500 [ 64.389268][ T5831] ? format_decode+0x1193/0x1bb0 [ 64.394205][ T5831] handle_bug+0x60/0x90 [ 64.398356][ T5831] exc_invalid_op+0x1a/0x50 [ 64.402856][ T5831] asm_exc_invalid_op+0x1a/0x20 [ 64.407706][ T5831] RIP: 0010:format_decode+0x1193/0x1bb0 [ 64.413248][ T5831] Code: 32 dd f5 c6 05 97 0a 4e 04 01 90 43 0f b6 04 34 84 c0 0f 85 14 0a 00 00 41 0f b6 75 00 48 c7 c7 e0 ac 34 8d e8 5e 27 9e f5 90 <0f> 0b 90 90 e9 0e fd ff ff 48 8b 4c 24 10 80 e1 07 38 c1 0f 8c 14 [ 64.432850][ T5831] RSP: 0018:ffffc9000386f5c0 EFLAGS: 00010246 [ 64.438920][ T5831] RAX: b0094a5d18138e00 RBX: 0000000000000000 RCX: ffff88807d3a0000 [ 64.446887][ T5831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 64.454869][ T5831] RBP: ffffc9000386f6b0 R08: ffffffff8155d162 R09: fffffbfff1cf9fd0 [ 64.462834][ T5831] R10: dffffc0000000000 R11: fffffbfff1cf9fd0 R12: 1ffff9200070df1d [ 64.470806][ T5831] R13: ffffc9000386f8ec R14: dffffc0000000000 R15: ffff0000ffffff00 [ 64.478776][ T5831] ? __warn_printk+0x292/0x360 [ 64.483549][ T5831] ? __pfx_format_decode+0x10/0x10 [ 64.488660][ T5831] ? bstr_printf+0x721/0x1210 [ 64.493337][ T5831] bstr_printf+0x137/0x1210 [ 64.497856][ T5831] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 64.504220][ T5831] ? __pfx_bstr_printf+0x10/0x10 [ 64.509152][ T5831] ? timekeeping_get_ns+0x5c/0x420 [ 64.514261][ T5831] ? lockdep_hardirqs_on+0x99/0x150 [ 64.519467][ T5831] ? bpf_trace_printk+0x115/0x230 [ 64.524514][ T5831] bpf_trace_printk+0x1a1/0x230 [ 64.529361][ T5831] ? timekeeping_get_ns+0x2b1/0x420 [ 64.534555][ T5831] ? __pfx_bpf_trace_printk+0x10/0x10 [ 64.539924][ T5831] ? timekeeping_get_ns+0x2b1/0x420 [ 64.545118][ T5831] ? bpf_test_run+0x370/0xa90 [ 64.549805][ T5831] bpf_prog_12183cdb1cd51dab+0x37/0x3b [ 64.555258][ T5831] bpf_test_run+0x4f0/0xa90 [ 64.559751][ T5831] ? do_syscall_64+0xf3/0x230 [ 64.564422][ T5831] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.570485][ T5831] ? bpf_test_run+0x370/0xa90 [ 64.575162][ T5831] ? __pfx_bpf_test_run+0x10/0x10 [ 64.580183][ T5831] ? eth_type_trans+0x3d1/0x7a0 [ 64.585039][ T5831] ? __pfx_eth_type_trans+0x10/0x10 [ 64.590237][ T5831] ? convert___skb_to_skb+0x41/0x620 [ 64.595521][ T5831] bpf_prog_test_run_skb+0xc97/0x1820 [ 64.600903][ T5831] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 64.606706][ T5831] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 64.612503][ T5831] bpf_prog_test_run+0x2e4/0x360 [ 64.617441][ T5831] __sys_bpf+0x48d/0x810 [ 64.621678][ T5831] ? __pfx___sys_bpf+0x10/0x10 [ 64.626448][ T5831] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 64.632772][ T5831] ? do_syscall_64+0x100/0x230 [ 64.637537][ T5831] __x64_sys_bpf+0x7c/0x90 [ 64.641947][ T5831] do_syscall_64+0xf3/0x230 [ 64.646455][ T5831] ? clear_bhb_loop+0x35/0x90 [ 64.651128][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.657015][ T5831] RIP: 0033:0x7f00c78514e9 [ 64.661423][ T5831] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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 [ 64.681038][ T5831] RSP: 002b:00007fffb87a9c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 64.689450][ T5831] RAX: ffffffffffffffda RBX: 00007fffb87a9e18 RCX: 00007f00c78514e9 [ 64.697444][ T5831] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a [ 64.705411][ T5831] RBP: 00007f00c78c4610 R08: 0000000000000000 R09: 00007fffb87a9e18 [ 64.713376][ T5831] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 64.721342][ T5831] R13: 00007fffb87a9e08 R14: 0000000000000001 R15: 0000000000000001 [ 64.729315][ T5831] [ 64.732591][ T5831] Kernel Offset: disabled [ 64.736947][ T5831] Rebooting in 86400 seconds..