syzbot

WARNING: CPU: 1 PID: 5821 at lib/vsprintf.c:2702 format_decode+0xac6/0xd40 lib/vsprintf.c:2702
Modules linked in:
CPU: 1 UID: 0 PID: 5821 Comm: syz-executor619 Not tainted 6.15.0-rc3-syzkaller-00019-gbc3372351d0c #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 ab 90 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:ffffc900033f76b8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817adff8
RDX: ffff888030ef0000 RSI: ffffffff817ae005 RDI: 0000000000000001
RBP: ffffc900033f7758 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004
R13: ffffc900033f795c R14: ffffc900033f77e8 R15: 0000000000000000
FS:  0000555560a28380(0000) GS:ffff888124ab2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f035a71f0d0 CR3: 00000000742a0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 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: 0033:0x7f035a6a8bb9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc80d21738 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 64006ad576d86aa0 RCX: 00007f035a6a8bb9
RDX: 0000000000000028 RSI: 0000200000000080 RDI: 000000000000000a
RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
 </TASK>