------------[ cut here ]------------ Please remove unsupported % in format string WARNING: CPU: 1 PID: 5834 at lib/vsprintf.c:2693 format_decode+0x8a2/0xca0 lib/vsprintf.c:2693 Modules linked in: CPU: 1 UID: 0 PID: 5834 Comm: syz-executor295 Not tainted 6.14.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:format_decode+0x8a2/0xca0 lib/vsprintf.c:2693 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 RSP: 0018:ffffc900041ef640 EFLAGS: 00010246 RAX: d1aa33c58551b300 RBX: ffffffff8d550e61 RCX: ffff88807a355a00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffffff8d550e60 R08: ffffffff81817e32 R09: fffffbfff1d3a614 R10: dffffc0000000000 R11: fffffbfff1d3a614 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffc900041ef8ec FS: 000055558bcc6380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f93cbd790d0 CR3: 0000000033ea8000 CR4: 0000000000350ef0 Call Trace: bstr_printf+0x165/0xee0 lib/vsprintf.c:3218 ____bpf_trace_printk kernel/trace/bpf_trace.c:378 [inline] bpf_trace_printk+0x1a1/0x230 kernel/trace/bpf_trace.c:363 bpf_prog_12183cdb1cd51dab+0x37/0x3f bpf_dispatcher_nop_func include/linux/bpf.h:1290 [inline] __bpf_prog_run include/linux/filter.h:701 [inline] bpf_prog_run include/linux/filter.h:708 [inline] bpf_test_run+0x4f2/0xa90 net/bpf/test_run.c:434 bpf_prog_test_run_skb+0xcaa/0x1830 net/bpf/test_run.c:1093 bpf_prog_test_run+0x2e6/0x360 kernel/bpf/syscall.c:4407 __sys_bpf+0x487/0x820 kernel/bpf/syscall.c:5813 __do_sys_bpf kernel/bpf/syscall.c:5902 [inline] __se_sys_bpf kernel/bpf/syscall.c:5900 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5900 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f93cbd02bb9 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 RSP: 002b:00007ffda6d076c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 64006ad576d86aa0 RCX: 00007f93cbd02bb9 RDX: 0000000000000028 RSI: 0000400000000080 RDI: 000000000000000a RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001