svn commit: r309457 - stable/9/sys/fs/ext2fs

Pedro F. Giffuni pfg at FreeBSD.org
Sat Dec 3 00:46:20 UTC 2016


Author: pfg
Date: Sat Dec  3 00:46:18 2016
New Revision: 309457
URL: https://svnweb.freebsd.org/changeset/base/309457

Log:
  MFC r309179:
  ext2fs: avoid possible overflow when calculating malloc size.
  
  This is inspired on r308064 for the case of mounting UFS.

Modified:
  stable/9/sys/fs/ext2fs/ext2_vfsops.c
Directory Properties:
  stable/9/sys/   (props changed)
  stable/9/sys/fs/   (props changed)

Modified: stable/9/sys/fs/ext2fs/ext2_vfsops.c
==============================================================================
--- stable/9/sys/fs/ext2fs/ext2_vfsops.c	Sat Dec  3 00:45:13 2016	(r309456)
+++ stable/9/sys/fs/ext2fs/ext2_vfsops.c	Sat Dec  3 00:46:18 2016	(r309457)
@@ -527,7 +527,8 @@ ext2_mountfs(struct vnode *devvp, struct
 	struct csum *sump;
 	int error;
 	int ronly;
-	int i, size;
+	int i;
+	u_long size;
 	int32_t *lp;
 	int32_t e2fs_maxcontig;
 


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