R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f5dae935f80 R15: 00007fff2a608d88
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5853 at fs/overlayfs/copy_up.c:448 ovl_encode_real_fh+0x2e2/0x410 fs/overlayfs/copy_up.c:448
Modules linked in:
CPU: 0 UID: 0 PID: 5853 Comm: syz.0.17 Not tainted 6.12.0-rc7-syzkaller-g2d5404caa8c7 #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_encode_real_fh+0x2e2/0x410 fs/overlayfs/copy_up.c:448
Code: 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 85 9b 75 fe 90 0f 0b 90 eb 14 e8 7a 9b 75 fe 90 0f 0b 90 eb 09 e8 6f 9b 75 fe 90 <0f> 0b 90 4c 89 ff e8 03 50 d3 fe 49 c7 c7 fb ff ff ff eb 8b 89 d1
RSP: 0018:ffffc9000262f3c0 EFLAGS: 00010293
RAX: ffffffff831f3ea1 RBX: 1ffff920004c5e80 RCX: ffff88801ed4a440
RDX: 0000000000000000 RSI: 00000000000000ff RDI: 00000000000000ff
RBP: ffffc9000262f470 R08: ffffffff831f3d3c R09: 1ffffffff203a13d
R10: dffffc0000000000 R11: fffffbfff203a13e R12: 00000000000000ff
R13: 0000000000000080 R14: 1ffff920004c5e7c R15: ffff88801eb16d00
FS:  00007f5daf5d16c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0021e8000 CR3: 000000004e1e8000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ovl_get_origin_fh fs/overlayfs/copy_up.c:484 [inline]
 ovl_do_copy_up fs/overlayfs/copy_up.c:961 [inline]
 ovl_copy_up_one fs/overlayfs/copy_up.c:1203 [inline]
 ovl_copy_up_flags+0x1068/0x46f0 fs/overlayfs/copy_up.c:1258
 ovl_setattr+0x11d/0x5a0 fs/overlayfs/inode.c:40
 notify_change+0xbca/0xe90 fs/attr.c:503
 chown_common+0x501/0x850 fs/open.c:793
 do_fchownat+0x16a/0x240 fs/open.c:824
 __do_sys_fchownat fs/open.c:839 [inline]
 __se_sys_fchownat fs/open.c:836 [inline]
 __x64_sys_fchownat+0xb5/0xd0 fs/open.c:836
 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: 0033:0x7f5dae77dff9
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:00007f5daf5d1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000104
RAX: ffffffffffffffda RBX: 00007f5dae935f80 RCX: 00007f5dae77dff9
RDX: 0000000000000000 RSI: 0000000020000440 RDI: ffffffffffffff9c
RBP: 00007f5daf5d1090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f5dae935f80 R15: 00007fff2a608d88
 </TASK>