------------[ cut here ]------------ Please remove unsupported % in format string WARNING: CPU: 0 PID: 5109 at lib/vsprintf.c:2659 format_decode+0x1193/0x1bb0 lib/vsprintf.c:2659 Modules linked in: CPU: 0 UID: 0 PID: 5109 Comm: syz.0.0 Not tainted 6.11.0-syzkaller-11624-ge477dba5442c #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:format_decode+0x1193/0x1bb0 lib/vsprintf.c:2659 Code: 6d d6 f5 c6 05 ec 6f 48 04 01 90 43 0f b6 04 34 84 c0 0f 85 14 0a 00 00 41 0f b6 75 00 48 c7 c7 40 66 35 8d e8 5e 61 97 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:ffffc9000301f5c0 EFLAGS: 00010246 RAX: c1c53ba4d6f96900 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc9000b391000 RSI: 0000000000000a13 RDI: 0000000000000a14 RBP: ffffc9000301f6b0 R08: ffffffff8155aaa2 R09: 1ffff11003f8519a R10: dffffc0000000000 R11: ffffed1003f8519b R12: 1ffff92000603f1d R13: ffffc9000301f8ec R14: dffffc0000000000 R15: ffff0000ffffff00 FS: 00007fbde09646c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 000000003f8aa000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bstr_printf+0x137/0x1210 lib/vsprintf.c:3232 ____bpf_trace_printk kernel/trace/bpf_trace.c:389 [inline] bpf_trace_printk+0x1a1/0x230 kernel/trace/bpf_trace.c:374 bpf_prog_12183cdb1cd51dab+0x37/0x3b bpf_dispatcher_nop_func include/linux/bpf.h:1257 [inline] __bpf_prog_run include/linux/filter.h:692 [inline] bpf_prog_run include/linux/filter.h:708 [inline] bpf_test_run+0x7b8/0xa90 net/bpf/test_run.c:433 bpf_prog_test_run_skb+0xc97/0x1820 net/bpf/test_run.c:1094 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4247 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5652 __do_sys_bpf kernel/bpf/syscall.c:5741 [inline] __se_sys_bpf kernel/bpf/syscall.c:5739 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739 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: 0033:0x7fbddfb7dff9 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:00007fbde0964038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fbddfd35f80 RCX: 00007fbddfb7dff9 RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a RBP: 00007fbddfbf0296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fbddfd35f80 R15: 00007ffd541b4068