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authorLiu ShuoX <shuox.liu@intel.com>2014-03-12 17:34:06 +0400
committerTony Luck <tony.luck@intel.com>2014-03-18 01:14:03 +0400
commite32634f5d57f1dce88624b70a6d625915f6ea09e (patch)
tree4513a848223494dfc910554f74f7e89b084c9e39
parent017321cf390045dd4c4afc4a232995ea50bcf66d (diff)
downloadlinux-e32634f5d57f1dce88624b70a6d625915f6ea09e.tar.xz
pstore: Fix memory leak when decompress using big_oops_buf
After sucessful decompressing, the buffer which pointed by 'buf' will be lost as 'buf' is overwrite by 'big_oops_buf' and will never be freed. Signed-off-by: Liu ShuoX <shuox.liu@intel.com> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
-rw-r--r--fs/pstore/platform.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index 78c3c2097787..46d269e38706 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -497,6 +497,7 @@ void pstore_get_records(int quiet)
big_oops_buf_sz);
if (unzipped_len > 0) {
+ kfree(buf);
buf = big_oops_buf;
size = unzipped_len;
compressed = false;