------------[ cut here ]------------ Please remove unsupported % in format string WARNING: CPU: 1 PID: 9994 at lib/vsprintf.c:2680 format_decode+0x1193/0x1bb0 lib/vsprintf.c:2680 Modules linked in: CPU: 1 UID: 0 PID: 9994 Comm: syz.3.1553 Not tainted 6.11.0-rc6-syzkaller-00204-gd1aaaa2e0a67 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:format_decode+0x1193/0x1bb0 lib/vsprintf.c:2680 Code: a6 e0 f5 c6 05 0f 6d 4f 04 01 90 43 0f b6 04 34 84 c0 0f 85 14 0a 00 00 41 0f b6 75 00 48 c7 c7 20 6c 34 8d e8 5e ca a2 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:ffffc90003b975c0 EFLAGS: 00010246 RAX: 1f46cf46f0ea2900 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90019202000 RSI: 0000000000008e13 RDI: 0000000000008e14 RBP: ffffc90003b976b0 R08: ffffffff8155b372 R09: 1ffff92000772e58 R10: dffffc0000000000 R11: fffff52000772e59 R12: 1ffff92000772f1d R13: ffffc90003b978ec R14: dffffc0000000000 R15: ffff0000ffffff00 FS: 00007fc9dcc3e6c0(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c246bc8 CR3: 000000006dede000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bstr_printf+0x137/0x1210 lib/vsprintf.c:3253 ____bpf_trace_printk kernel/trace/bpf_trace.c:390 [inline] bpf_trace_printk+0x1a1/0x230 kernel/trace/bpf_trace.c:375 bpf_prog_12183cdb1cd51dab+0x36/0x3a bpf_dispatcher_nop_func include/linux/bpf.h:1243 [inline] __bpf_prog_run include/linux/filter.h:682 [inline] bpf_prog_run include/linux/filter.h:698 [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+0x33a/0x3b0 kernel/bpf/syscall.c:4313 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5728 __do_sys_bpf kernel/bpf/syscall.c:5817 [inline] __se_sys_bpf kernel/bpf/syscall.c:5815 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5815 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: 0033:0x7fc9dbd7def9 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:00007fc9dcc3e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fc9dbf35f80 RCX: 00007fc9dbd7def9 RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a RBP: 00007fc9dbdf0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fc9dbf35f80 R15: 00007ffd77a07828