------------[ cut here ]------------ Please remove unsupported % in format string WARNING: CPU: 0 PID: 6143 at lib/vsprintf.c:2679 format_decode+0xcfd/0x13d0 lib/vsprintf.c:2679 Modules linked in: CPU: 0 PID: 6143 Comm: syz.2.116 Not tainted 6.6.94-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:format_decode+0xcfd/0x13d0 lib/vsprintf.c:2679 Code: ff e8 87 89 2e f7 c6 05 ae 53 dd 03 01 41 0f b6 04 1c 84 c0 0f 85 be 06 00 00 41 0f b6 36 48 c7 c7 20 93 c8 8b e8 63 ee f8 f6 <0f> 0b e9 79 fe ff ff 48 8b 0c 24 80 e1 07 38 c1 0f 8c 46 f3 ff ff RSP: 0018:ffffc9000b647888 EFLAGS: 00010246 RAX: 84b69cd2bb03bf00 RBX: dffffc0000000000 RCX: 0000000000080000 RDX: ffffc9000c0a9000 RSI: 0000000000003b31 RDI: 0000000000003b32 RBP: ffff0000ffffff00 R08: ffff8880b8e28c13 R09: 1ffff110171c5182 R10: dffffc0000000000 R11: ffffed10171c5183 R12: 1ffff920016c8f55 R13: 0000000000000000 R14: ffffc9000b647aac R15: ffff0a00ffffff00 FS: 00007f913548a6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000002c40 CR3: 000000002430f000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bstr_printf+0xc4/0xf90 lib/vsprintf.c:3252 ____bpf_trace_printk kernel/trace/bpf_trace.c:386 [inline] bpf_trace_printk+0x10f/0x190 kernel/trace/bpf_trace.c:371 bpf_prog_12183cdb1cd51dab+0x36/0x3a bpf_dispatcher_nop_func include/linux/bpf.h:1213 [inline] __bpf_prog_run include/linux/filter.h:612 [inline] bpf_prog_run include/linux/filter.h:619 [inline] bpf_test_run+0x340/0x8a0 net/bpf/test_run.c:424 bpf_prog_test_run_skb+0xa67/0x11c0 net/bpf/test_run.c:1050 bpf_prog_test_run+0x321/0x390 kernel/bpf/syscall.c:4123 __sys_bpf+0x440/0x800 kernel/bpf/syscall.c:5485 __do_sys_bpf kernel/bpf/syscall.c:5571 [inline] __se_sys_bpf kernel/bpf/syscall.c:5569 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5569 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f913458e929 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f913548a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f91347b5fa0 RCX: 00007f913458e929 RDX: 0000000000000028 RSI: 0000200000000080 RDI: 000000000000000a RBP: 00007f9134610b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f91347b5fa0 R15: 00007ffee054a988