renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-22 12:14:01 +08:00
Code

libceph: fix off-by-one bug in ceph_encode_filepath()

Browse Source 
There is a BUG_ON() call that doesn't account for the single byte
structure version at the start of an encoded filepath in
ceph_encode_filepath().  Fix that.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Yehuda Sadeh <yehuda@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
This commit is contained in:
Alex Elder 2012-07-03 16:01:18 -05:00 committed by Sage Weil
parent 8842b3be96
commit c61a1abd21
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/linux/ceph/decode.h
View File

@ -151,7 +151,7 @@ static inline void ceph_encode_filepath(void **p, void *end,
u64 ino, const char *path) u64 ino, const char *path)
{ {
u32 len = path ? strlen(path) : 0; u32 len = path ? strlen(path) : 0;
BUG_ON(*p + sizeof(ino) + sizeof(len) + len > end); BUG_ON(*p + 1 + sizeof(ino) + sizeof(len) + len > end);
ceph_encode_8(p, 1); ceph_encode_8(p, 1);
ceph_encode_64(p, ino); ceph_encode_64(p, ino);
ceph_encode_32(p, len); ceph_encode_32(p, len);