------------[ cut here ]------------
WARNING: CPU: 0 PID: 11155 at fs/overlayfs/dir.c:213 ovl_create_real+0x5ab/0x670 fs/overlayfs/dir.c:213
Modules linked in:
CPU: 0 UID: 0 PID: 11155 Comm: syz.2.1376 Not tainted 6.13.0-rc2-syzkaller-00382-gdccbe2047a5b #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:ovl_create_real+0x5ab/0x670 fs/overlayfs/dir.c:213
Code: 89 e2 48 c7 c6 c0 c2 89 8b 48 c7 c7 90 4d 0d 90 e8 6a b3 ba 01 e9 d9 fb ff ff e8 b0 d4 ef fe e9 93 fc ff ff e8 a6 61 8d fe 90 <0f> 0b 90 4c 89 e3 49 c7 c4 fb ff ff ff e9 d5 fc ff ff e8 ce 15 0e
RSP: 0018:ffffc90003ddfc28 EFLAGS: 00010287
RAX: 0000000000001cf5 RBX: ffff888067972eb0 RCX: ffffc9000d0a1000
RDX: 0000000000080000 RSI: ffffffff830bed4a RDI: ffff888067972f18
RBP: 1ffff920007bbf86 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000004 R12: ffff888067972eb0
R13: 0000000000000000 R14: ffff88804ceead10 R15: 000000000000a000
FS: 0000000000000000(0000) GS:ffff88802b400000(0063) knlGS:00000000f5085b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000000c2dee4f CR3: 000000006bf56000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
ovl_create_upper fs/overlayfs/dir.c:334 [inline]
ovl_create_or_link+0x2a4/0x800 fs/overlayfs/dir.c:632
ovl_create_object+0x268/0x300 fs/overlayfs/dir.c:673
vfs_symlink fs/namei.c:4669 [inline]
vfs_symlink+0x3e8/0x660 fs/namei.c:4653
do_symlinkat+0x263/0x310 fs/namei.c:4695
__do_sys_symlink fs/namei.c:4716 [inline]
__se_sys_symlink fs/namei.c:4714 [inline]
__ia32_sys_symlink+0x74/0x90 fs/namei.c:4714
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f55579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f508555c EFLAGS: 00000296 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00000000200049c0 RCX: 00000000200059c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
0: 10 06 adc %al,(%rsi)
2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi
6: 10 07 adc %al,(%rdi)
8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi
c: 10 08 adc %cl,(%rax)
e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi
1e: 00 51 52 add %dl,0x52(%rcx)
21: 55 push %rbp
22: 89 e5 mov %esp,%ebp
24: 0f 34 sysenter
26: cd 80 int $0x80
* 28: 5d pop %rbp <-- trapping instruction
29: 5a pop %rdx
2a: 59 pop %rcx
2b: c3 ret
2c: 90 nop
2d: 90 nop
2e: 90 nop
2f: 90 nop
30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi