redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

Btrfs: fix double free in find_lock_delalloc_range 

We need to NULL the cached_state after freeing it, otherwise
we might free it again if find_delalloc_range doesn't find anything.

Signed-off-by: Chris Mason <clm@fb.com>
cc: stable@vger.kernel.org
hifive-unleashed-5.1
Chris Mason 2014-05-21 05:49:54 -07:00
parent 58dfae6365
commit 7d78874273
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
fs/btrfs/extent_io.c
View File

@ -1693,6 +1693,7 @@ again:
* shortening the size of the delalloc range we're searching
*/
free_extent_state(cached_state);
cached_state = NULL;
if (!loops) {
max_bytes = PAGE_CACHE_SIZE;
loops = 1;