------------[ cut here ]------------ Please remove unsupported % in format string WARNING: CPU: 1 PID: 20478 at lib/vsprintf.c:2704 format_decode+0xa07/0xba0 lib/vsprintf.c:2704 Modules linked in: CPU: 1 UID: 0 PID: 20478 Comm: syz.5.5032 Not tainted 6.13.0-rc3-syzkaller-00062-gc061cf420ded #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:format_decode+0xa07/0xba0 lib/vsprintf.c:2704 Code: f6 41 c6 44 24 05 08 e9 c4 fa ff ff e8 32 25 76 f6 c6 05 98 22 24 05 01 90 48 c7 c7 60 0b cd 8c 40 0f b6 f5 e8 3a 5f 36 f6 90 <0f> 0b 90 90 e9 17 fc ff ff 48 8b 3c 24 e8 17 f1 d7 f6 e9 0f f7 ff RSP: 0018:ffffc90003b476e0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffc90003b47954 RCX: ffffc9000c649000 RDX: 0000000000080000 RSI: ffffffff815a5086 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffffc90003b477e0 R13: 0000000000000000 R14: 0000000000000000 R15: 00000000ffffffd0 FS: 00007f513e47f6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fe1fffc CR3: 0000000066e80000 CR4: 0000000000350ef0 Call Trace: bstr_printf+0x137/0x1090 lib/vsprintf.c:3277 ____bpf_trace_printk kernel/trace/bpf_trace.c:389 [inline] bpf_trace_printk+0x10b/0x190 kernel/trace/bpf_trace.c:374 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+0x4a0/0xa90 net/bpf/test_run.c:434 bpf_prog_test_run_skb+0xb8d/0x2270 net/bpf/test_run.c:1095 bpf_prog_test_run kernel/bpf/syscall.c:4402 [inline] __sys_bpf+0xfc9/0x49c0 kernel/bpf/syscall.c:5808 __do_sys_bpf kernel/bpf/syscall.c:5897 [inline] __se_sys_bpf kernel/bpf/syscall.c:5895 [inline] __x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:5895 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f513d585d29 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:00007f513e47f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f513d775fa0 RCX: 00007f513d585d29 RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a RBP: 00007f513d601a20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f513d775fa0 R15: 00007ffffc430378