------------[ cut here ]------------ Please remove unsupported % in format string WARNING: CPU: 1 PID: 9108 at lib/vsprintf.c:2693 format_decode+0x8a2/0xca0 lib/vsprintf.c:2693 Modules linked in: CPU: 1 UID: 0 PID: 9108 Comm: syz.2.1070 Not tainted 6.13.0-syzkaller-gfc610c8c586c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:format_decode+0x8a2/0xca0 lib/vsprintf.c:2693 Code: 87 14 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 40 74 33 8d e8 4f f7 8e f5 90 <0f> 0b 90 90 e9 a1 fc ff ff e8 20 3e ce f5 4d 89 ee 4c 8b 6c 24 08 RSP: 0018:ffffc90003337640 EFLAGS: 00010246 RAX: 5cf339e1b9a4ad00 RBX: ffffffff8d336f41 RCX: 0000000000080000 RDX: ffffc9000d18a000 RSI: 000000000000398d RDI: 000000000000398e RBP: ffffffff8d336f40 R08: ffffffff81802842 R09: fffffbfff1cfa584 R10: dffffc0000000000 R11: fffffbfff1cfa584 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffc900033378ec FS: 00007fc8df1926c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 0000000033f12000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000020000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600 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_613b9d4f45fe7da7+0x43/0x45 bpf_dispatcher_nop_func include/linux/bpf.h:1290 [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:434 bpf_prog_test_run_skb+0xcaa/0x1830 net/bpf/test_run.c:1093 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4415 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5821 __do_sys_bpf kernel/bpf/syscall.c:5910 [inline] __se_sys_bpf kernel/bpf/syscall.c:5908 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5908 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: 0033:0x7fc8de38cda9 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:00007fc8df192038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fc8de5a5fa0 RCX: 00007fc8de38cda9 RDX: 000000000000004c RSI: 0000000020000240 RDI: 000000000000000a RBP: 00007fc8de40e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fc8de5a5fa0 R15: 00007fffa1c50248