------------[ cut here ]------------ Please remove unsupported % in format string WARNING: CPU: 1 PID: 10215 at lib/vsprintf.c:2702 format_decode+0xac6/0xd40 lib/vsprintf.c:2702 Modules linked in: CPU: 1 UID: 0 PID: 10215 Comm: syz.3.977 Not tainted 6.15.0-rc2-syzkaller-00257-gb5c6891b2c5b #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:format_decode+0xac6/0xd40 lib/vsprintf.c:2702 Code: ea 03 0f b6 04 02 4c 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 c2 01 00 00 41 0f b6 75 00 48 c7 c7 80 2b f2 8c e8 8b a0 0b f6 90 <0f> 0b 90 90 e9 d8 fa ff ff 49 bc 00 00 00 00 00 fc ff df 31 db e8 RSP: 0018:ffffc9001c08f6b8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9000cfdd000 RDX: 0000000000080000 RSI: ffffffff817ad005 RDI: 0000000000000001 RBP: ffffc9001c08f758 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000004 R13: ffffc9001c08f95c R14: ffffc9001c08f7e8 R15: 0000000000000000 FS: 00007f4d648166c0(0000) GS:ffff888124ab0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c28ea74 CR3: 0000000031f98000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bstr_printf+0x168/0x10a0 lib/vsprintf.c:3227 ____bpf_trace_printk kernel/trace/bpf_trace.c:378 [inline] bpf_trace_printk+0x10a/0x190 kernel/trace/bpf_trace.c:363 bpf_prog_12183cdb1cd51dab+0x37/0x3b bpf_dispatcher_nop_func include/linux/bpf.h:1316 [inline] __bpf_prog_run include/linux/filter.h:718 [inline] bpf_prog_run include/linux/filter.h:725 [inline] bpf_test_run+0x489/0xa70 net/bpf/test_run.c:434 bpf_prog_test_run_skb+0xb92/0x2280 net/bpf/test_run.c:1093 bpf_prog_test_run kernel/bpf/syscall.c:4427 [inline] __sys_bpf+0x1485/0x4d80 kernel/bpf/syscall.c:5852 __do_sys_bpf kernel/bpf/syscall.c:5941 [inline] __se_sys_bpf kernel/bpf/syscall.c:5939 [inline] __x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:5939 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4d6398e169 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:00007f4d64816038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f4d63bb5fa0 RCX: 00007f4d6398e169 RDX: 0000000000000028 RSI: 0000200000000080 RDI: 000000000000000a RBP: 00007f4d63a10a68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f4d63bb5fa0 R15: 00007fff7d4d49b8