------------[ cut here ]------------ Please remove unsupported % in format string WARNING: CPU: 1 PID: 5063 at lib/vsprintf.c:2680 format_decode+0x1193/0x1bb0 lib/vsprintf.c:2680 Modules linked in: CPU: 1 PID: 5063 Comm: syz-executor368 Not tainted 6.8.0-rc4-syzkaller-00212-g40b9385dd8e6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:format_decode+0x1193/0x1bb0 lib/vsprintf.c:2680 Code: 6c 33 f6 c6 05 00 17 10 04 01 90 43 0f b6 04 34 84 c0 0f 85 14 0a 00 00 41 0f b6 75 00 48 c7 c7 c0 08 c6 8c e8 ae 76 f7 f5 90 <0f> 0b 90 90 e9 0e fd ff ff 48 8b 4c 24 10 80 e1 07 38 c1 0f 8c 14 RSP: 0018:ffffc90003a8f660 EFLAGS: 00010246 RAX: b00ac3a521cd7500 RBX: 0000000000000000 RCX: ffff88802b1e1dc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90003a8f750 R08: ffffffff81577992 R09: 1ffff92000751e20 R10: dffffc0000000000 R11: fffff52000751e21 R12: 1ffff92000751f31 R13: ffffc90003a8f98c R14: dffffc0000000000 R15: ffff0000ffffff00 FS: 0000555555d8e380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 000000002c02e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bstr_printf+0x137/0x1210 lib/vsprintf.c:3253 ____bpf_trace_printk kernel/trace/bpf_trace.c:390 [inline] bpf_trace_printk+0x1a1/0x230 kernel/trace/bpf_trace.c:375 bpf_prog_12183cdb1cd51dab+0x36/0x3a bpf_dispatcher_nop_func include/linux/bpf.h:1231 [inline] __bpf_prog_run include/linux/filter.h:651 [inline] bpf_prog_run include/linux/filter.h:658 [inline] bpf_test_run+0x408/0x900 net/bpf/test_run.c:423 bpf_prog_test_run_skb+0xaf9/0x13a0 net/bpf/test_run.c:1056 bpf_prog_test_run+0x33a/0x3b0 kernel/bpf/syscall.c:4107 __sys_bpf+0x448/0x810 kernel/bpf/syscall.c:5475 __do_sys_bpf kernel/bpf/syscall.c:5561 [inline] __se_sys_bpf kernel/bpf/syscall.c:5559 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5559 do_syscall_64+0xf9/0x240 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7f50c64204e9 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 RSP: 002b:00007fffdc558ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fffdc5590b8 RCX: 00007f50c64204e9 RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a RBP: 00007f50c6493610 R08: 0000000000000000 R09: 00007fffdc5590b8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fffdc5590a8 R14: 0000000000000001 R15: 0000000000000001