./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor900022917
<...>
Warning: Permanently added '10.128.0.103' (ED25519) to the list of known hosts.
execve("./syz-executor900022917", ["./syz-executor900022917"], 0x7ffedca1c8a0 /* 10 vars */) = 0
brk(NULL) = 0x555581f51000
brk(0x555581f51d00) = 0x555581f51d00
arch_prctl(ARCH_SET_FS, 0x555581f51380) = 0
set_tid_address(0x555581f51650) = 5855
set_robust_list(0x555581f51660, 24) = 0
rseq(0x555581f51ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor900022917", 4096) = 27
getrandom("\xd5\x91\xd9\x29\x4d\xa5\x58\x38", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555581f51d00
brk(0x555581f72d00) = 0x555581f72d00
brk(0x555581f73000) = 0x555581f73000
mprotect(0x7fd994c5e000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0executing program
) = 0x200001000000
write(1, "executing program\n", 18) = 18
bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=8, insns=0x200000001000, 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
[ 91.175856][ T5855] ------------[ cut here ]------------
[ 91.181408][ T5855] Please remove unsupported % in format string
[ 91.188719][ T5855] WARNING: CPU: 0 PID: 5855 at lib/vsprintf.c:2724 format_decode+0x965/0xe30
[ 91.197555][ T5855] Modules linked in:
[ 91.201587][ T5855] CPU: 0 UID: 0 PID: 5855 Comm: syz-executor900 Not tainted 6.16.0-rc3-syzkaller-g6e5cae9ddae7 #0 PREEMPT(full)
[ 91.213531][ T5855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 91.223640][ T5855] RIP: 0010:format_decode+0x965/0xe30
[ 91.229095][ T5855] Code: e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 0f 85 b4 04 00 00 41 0f b6 34 24 48 c7 c7 e0 d1 b9 8c e8 8c c7 17 f6 90 <0f> 0b 90 90 e9 6b fc ff ff e8 6d 24 54 f6 48 89 dd e9 55 fa ff ff
[ 91.248784][ T5855] RSP: 0018:ffffc90003ebf7b0 EFLAGS: 00010246
[ 91.254861][ T5855] RAX: f99d26a01da19000 RBX: 0000000000000000 RCX: ffff88807f385a00
[ 91.262924][ T5855] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 91.270936][ T5855] RBP: ffffc90003ebf9ac R08: ffff8880b8624293 R09: 1ffff110170c4852
[ 91.278955][ T5855] R10: dffffc0000000000 R11: ffffed10170c4853 R12: ffffc90003ebf9ac
[ 91.286967][ T5855] R13: ffffffff8cb9cce0 R14: 0000000000000406 R15: 0000000000000400
[ 91.294991][ T5855] FS: 0000555581f51380(0000) GS:ffff888125c19000(0000) knlGS:0000000000000000
[ 91.304000][ T5855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 91.310655][ T5855] CR2: 0000200000001000 CR3: 0000000075a76000 CR4: 00000000003526f0
[ 91.318698][ T5855] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 91.326714][ T5855] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 91.334762][ T5855] Call Trace:
[ 91.338063][ T5855]
[ 91.341056][ T5855] bstr_printf+0xd0/0xb70
[ 91.345426][ T5855] bpf_trace_printk+0x10e/0x190
[ 91.350340][ T5855] ? ktime_get+0x3e/0x1f0
[ 91.354707][ T5855] ? __pfx_bpf_trace_printk+0x10/0x10
[ 91.360143][ T5855] ? __local_bh_disable_ip+0xf1/0x190
[ 91.365577][ T5855] ? read_tsc+0x9/0x20
[ 91.369710][ T5855] ? ktime_get+0x1cb/0x1f0
[ 91.374179][ T5855] bpf_prog_12183cdb1cd51dab+0x37/0x3f
[ 91.379706][ T5855] bpf_test_run+0x38e/0x830
[ 91.384266][ T5855] ? bpf_test_run+0x205/0x830
[ 91.389005][ T5855] ? __pfx_bpf_test_run+0x10/0x10
[ 91.394104][ T5855] ? slab_build_skb+0x273/0x3e0
[ 91.399022][ T5855] ? convert___skb_to_skb+0x3d/0x590
[ 91.404346][ T5855] bpf_prog_test_run_skb+0xb30/0x1560
[ 91.409779][ T5855] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 91.415616][ T5855] bpf_prog_test_run+0x2c4/0x340
[ 91.420621][ T5855] __sys_bpf+0x581/0x870
[ 91.424913][ T5855] ? __pfx___sys_bpf+0x10/0x10
[ 91.429776][ T5855] __x64_sys_bpf+0x7c/0x90
[ 91.434255][ T5855] do_syscall_64+0xfa/0x3b0
[ 91.438820][ T5855] ? lockdep_hardirqs_on+0x9c/0x150
[ 91.444048][ T5855] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 91.450166][ T5855] ? clear_bhb_loop+0x60/0xb0
[ 91.454868][ T5855] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 91.460803][ T5855] RIP: 0033:0x7fd994beb4a9
[ 91.465243][ T5855] 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
[ 91.484933][ T5855] RSP: 002b:00007ffe09a700d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 91.493416][ T5855] RAX: ffffffffffffffda RBX: 64006ad576d86aa0 RCX: 00007fd994beb4a9
[ 91.501471][ T5855] RDX: 0000000000000028 RSI: 0000200000000080 RDI: 000000000000000a
[ 91.509500][ T5855] RBP: 00007fd994c5e610 R08: 0000000000000000 R09: 00007ffe09a702a8
[ 91.517473][ T5855] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 91.525481][ T5855] R13: 00007ffe09a70298 R14: 0000000000000001 R15: 0000000000000001
[ 91.533509][ T5855]
[ 91.536528][ T5855] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 91.543892][ T5855] CPU: 0 UID: 0 PID: 5855 Comm: syz-executor900 Not tainted 6.16.0-rc3-syzkaller-g6e5cae9ddae7 #0 PREEMPT(full)
[ 91.555787][ T5855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 91.565854][ T5855] Call Trace:
[ 91.569166][ T5855]
[ 91.572114][ T5855] dump_stack_lvl+0x99/0x250
[ 91.576722][ T5855] ? __asan_memcpy+0x40/0x70
[ 91.581329][ T5855] ? __pfx_dump_stack_lvl+0x10/0x10
[ 91.586542][ T5855] ? __pfx__printk+0x10/0x10
[ 91.591163][ T5855] panic+0x2db/0x790
[ 91.595077][ T5855] ? __pfx_panic+0x10/0x10
[ 91.599527][ T5855] __warn+0x31b/0x4b0
[ 91.603523][ T5855] ? format_decode+0x965/0xe30
[ 91.608319][ T5855] ? format_decode+0x965/0xe30
[ 91.613098][ T5855] report_bug+0x2be/0x4f0
[ 91.617439][ T5855] ? format_decode+0x965/0xe30
[ 91.622213][ T5855] ? format_decode+0x965/0xe30
[ 91.626987][ T5855] ? format_decode+0x967/0xe30
[ 91.631783][ T5855] handle_bug+0x84/0x160
[ 91.636045][ T5855] exc_invalid_op+0x1a/0x50
[ 91.640580][ T5855] asm_exc_invalid_op+0x1a/0x20
[ 91.645444][ T5855] RIP: 0010:format_decode+0x965/0xe30
[ 91.650825][ T5855] Code: e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 0f 85 b4 04 00 00 41 0f b6 34 24 48 c7 c7 e0 d1 b9 8c e8 8c c7 17 f6 90 <0f> 0b 90 90 e9 6b fc ff ff e8 6d 24 54 f6 48 89 dd e9 55 fa ff ff
[ 91.670459][ T5855] RSP: 0018:ffffc90003ebf7b0 EFLAGS: 00010246
[ 91.676551][ T5855] RAX: f99d26a01da19000 RBX: 0000000000000000 RCX: ffff88807f385a00
[ 91.684538][ T5855] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 91.692527][ T5855] RBP: ffffc90003ebf9ac R08: ffff8880b8624293 R09: 1ffff110170c4852
[ 91.700506][ T5855] R10: dffffc0000000000 R11: ffffed10170c4853 R12: ffffc90003ebf9ac
[ 91.708508][ T5855] R13: ffffffff8cb9cce0 R14: 0000000000000406 R15: 0000000000000400
[ 91.716512][ T5855] bstr_printf+0xd0/0xb70
[ 91.720866][ T5855] bpf_trace_printk+0x10e/0x190
[ 91.725742][ T5855] ? ktime_get+0x3e/0x1f0
[ 91.730095][ T5855] ? __pfx_bpf_trace_printk+0x10/0x10
[ 91.735493][ T5855] ? __local_bh_disable_ip+0xf1/0x190
[ 91.740884][ T5855] ? read_tsc+0x9/0x20
[ 91.744966][ T5855] ? ktime_get+0x1cb/0x1f0
[ 91.749406][ T5855] bpf_prog_12183cdb1cd51dab+0x37/0x3f
[ 91.754880][ T5855] bpf_test_run+0x38e/0x830
[ 91.759419][ T5855] ? bpf_test_run+0x205/0x830
[ 91.764210][ T5855] ? __pfx_bpf_test_run+0x10/0x10
[ 91.769280][ T5855] ? slab_build_skb+0x273/0x3e0
[ 91.774157][ T5855] ? convert___skb_to_skb+0x3d/0x590
[ 91.779469][ T5855] bpf_prog_test_run_skb+0xb30/0x1560
[ 91.784896][ T5855] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 91.790729][ T5855] bpf_prog_test_run+0x2c4/0x340
[ 91.795685][ T5855] __sys_bpf+0x581/0x870
[ 91.799966][ T5855] ? __pfx___sys_bpf+0x10/0x10
[ 91.804783][ T5855] __x64_sys_bpf+0x7c/0x90
[ 91.809235][ T5855] do_syscall_64+0xfa/0x3b0
[ 91.813766][ T5855] ? lockdep_hardirqs_on+0x9c/0x150
[ 91.818981][ T5855] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 91.825065][ T5855] ? clear_bhb_loop+0x60/0xb0
[ 91.829769][ T5855] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 91.835678][ T5855] RIP: 0033:0x7fd994beb4a9
[ 91.840110][ T5855] 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
[ 91.859729][ T5855] RSP: 002b:00007ffe09a700d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 91.868163][ T5855] RAX: ffffffffffffffda RBX: 64006ad576d86aa0 RCX: 00007fd994beb4a9
[ 91.876142][ T5855] RDX: 0000000000000028 RSI: 0000200000000080 RDI: 000000000000000a
[ 91.884130][ T5855] RBP: 00007fd994c5e610 R08: 0000000000000000 R09: 00007ffe09a702a8
[ 91.892122][ T5855] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 91.900101][ T5855] R13: 00007ffe09a70298 R14: 0000000000000001 R15: 0000000000000001
[ 91.908095][ T5855]
[ 91.911476][ T5855] Kernel Offset: disabled
[ 91.915814][ T5855] Rebooting in 86400 seconds..