loop0: detected capacity change from 0 to 64
syz.0.0: attempt to access beyond end of device
loop0: rw=2049, sector=268435468, nr_sectors = 2 limit=64
------------[ cut here ]------------
WARNING: fs/inode.c:474 at inc_nlink+0x122/0x150 fs/inode.c:474, CPU#0: syz.0.0/5335
Modules linked in:
CPU: 0 UID: 0 PID: 5335 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:inc_nlink+0x122/0x150 fs/inode.c:474
Code: e7 ff e9 3a ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4c ff ff ff 48 89 df e8 79 09 e7 ff e9 3f ff ff ff e8 ff 5e 7f ff 90 <0f> 0b 90 eb 80 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 50 ff ff ff
RSP: 0018:ffffc9000de5f510 EFLAGS: 00010283
RAX: ffffffff8241a861 RBX: ffff8880120685c0 RCX: 0000000000100000
RDX: ffffc90020f02000 RSI: 0000000000001ad9 RDI: 0000000000001ada
RBP: 0000000000000000 R08: ffffffff8f824677 R09: 1ffffffff1f048ce
R10: dffffc0000000000 R11: fffffbfff1f048cf R12: dffffc0000000000
R13: 1ffff1100240d0b8 R14: ffff888012068578 R15: ffff888012068648
FS:  00007f0362d936c0(0000) GS:ffff88808d414000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001100 CR3: 00000000329ba000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 inode_inc_link_count include/linux/fs.h:2230 [inline]
 minix_mkdir+0x44/0x120 fs/minix/namei.c:117
 vfs_mkdir+0x512/0x5b0 fs/namei.c:5130
 ovl_do_mkdir fs/overlayfs/overlayfs.h:251 [inline]
 ovl_workdir_create+0x481/0x900 fs/overlayfs/super.c:345
 ovl_make_workdir fs/overlayfs/super.c:682 [inline]
 ovl_get_workdir fs/overlayfs/super.c:840 [inline]
 ovl_fill_super_creds fs/overlayfs/super.c:1453 [inline]
 ovl_fill_super+0x188f/0x5a90 fs/overlayfs/super.c:1567
 vfs_get_super fs/super.c:1324 [inline]
 get_tree_nodev+0xbb/0x150 fs/super.c:1343
 vfs_get_tree+0x92/0x2a0 fs/super.c:1751
 fc_mount fs/namespace.c:1199 [inline]
 do_new_mount_fc fs/namespace.c:3636 [inline]
 do_new_mount+0x302/0xa10 fs/namespace.c:3712
 do_mount fs/namespace.c:4035 [inline]
 __do_sys_mount fs/namespace.c:4224 [inline]
 __se_sys_mount+0x313/0x410 fs/namespace.c:4201
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0361f8f7c9
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:00007f0362d93038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f03621e5fa0 RCX: 00007f0361f8f7c9
RDX: 0000200000000200 RSI: 00002000000003c0 RDI: 0000000000000000
RBP: 00007f0362013f91 R08: 0000200000001100 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f03621e6038 R14: 00007f03621e5fa0 R15: 00007ffdda1ecbe8
 </TASK>