netlink: 148 bytes leftover after parsing attributes in process `syz-executor.3'.
==================================================================
BUG: KASAN: slab-out-of-bounds in udf_write_aext+0x847/0x860 fs/udf/inode.c:2059
Write of size 4 at addr ffff88809d601ff8 by task syz-executor.5/6543

CPU: 0 PID: 6543 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 print_address_description.cold+0x54/0x219 mm/kasan/report.c:256
 kasan_report_error.cold+0x8a/0x1b9 mm/kasan/report.c:354
 kasan_report mm/kasan/report.c:412 [inline]
 __asan_report_store_n_noabort+0x8b/0xa0 mm/kasan/report.c:449
 udf_write_aext+0x847/0x860 fs/udf/inode.c:2059
 udf_add_entry+0xdab/0x2a20 fs/udf/namei.c:496
 udf_mkdir+0x145/0x650 fs/udf/namei.c:693
 vfs_mkdir+0x508/0x7a0 fs/namei.c:3819
 do_mkdirat+0x262/0x2d0 fs/namei.c:3842
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f90f87ee5a9
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f90f7162168 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f90f890ff80 RCX: 00007f90f87ee5a9
RDX: 000000000000000a RSI: 00000000200001c0 RDI: ffffffffffffff9c
RBP: 00007f90f8849580 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeb0fdbeff R14: 00007f90f7162300 R15: 0000000000022000
overlayfs: './file0' not a directory

Allocated by task 6320:
 kmem_cache_alloc+0x122/0x370 mm/slab.c:3559
 getname_flags+0xce/0x590 fs/namei.c:140
 do_sys_open+0x26c/0x520 fs/open.c:1079
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

Freed by task 6320:
 __cache_free mm/slab.c:3503 [inline]
 kmem_cache_free+0x7f/0x260 mm/slab.c:3765
 putname+0xe1/0x120 fs/namei.c:261
 do_sys_open+0x2ba/0x520 fs/open.c:1094
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

The buggy address belongs to the object at ffff88809d600380
 which belongs to the cache names_cache of size 4096
The buggy address is located 3192 bytes to the right of
 4096-byte region [ffff88809d600380, ffff88809d601380)
The buggy address belongs to the page:
page:ffffea0002758000 count:1 mapcount:0 mapping:ffff88823b843380 index:0x0 compound_mapcount: 0
flags: 0xfff00000008100(slab|head)
raw: 00fff00000008100 ffffea00010af188 ffffea00026d1c08 ffff88823b843380
raw: 0000000000000000 ffff88809d600380 0000000100000001 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88809d601e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88809d601f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88809d601f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                                                                ^
 ffff88809d602000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88809d602080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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