diff mbox

libext2fs: fix tst_badblocks buffer overrun

Message ID 1448401810-90675-1-git-send-email-adilger@dilger.ca
State Accepted, archived
Headers show

Commit Message

Andreas Dilger Nov. 24, 2015, 9:50 p.m. UTC
The test2[] array is not 0-terminated and the create_test_list() for
loop does not terminate properly at the end of this array, but
continues until it hits the 0 at the end of test3[].

Reported-by: Hanno Boeck <hanno@hboeck.de>
Addresses: https://bugzilla.kernel.org/show_bug.cgi?id=104311
Signed-off-by: Andreas Dilger <adilger@dilger.ca>
---
 lib/ext2fs/tst_badblocks.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Theodore Ts'o Nov. 30, 2015, 5:10 p.m. UTC | #1
On Tue, Nov 24, 2015 at 02:50:10PM -0700, Andreas Dilger wrote:
> The test2[] array is not 0-terminated and the create_test_list() for
> loop does not terminate properly at the end of this array, but
> continues until it hits the 0 at the end of test3[].
> 
> Reported-by: Hanno Boeck <hanno@hboeck.de>
> Addresses: https://bugzilla.kernel.org/show_bug.cgi?id=104311
> Signed-off-by: Andreas Dilger <adilger@dilger.ca>

Thanks, applied.

					- Ted
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diff mbox

Patch

diff --git a/lib/ext2fs/tst_badblocks.c b/lib/ext2fs/tst_badblocks.c
index 3b39ef1..c685f33 100644
--- a/lib/ext2fs/tst_badblocks.c
+++ b/lib/ext2fs/tst_badblocks.c
@@ -30,11 +30,11 @@ 
 #define DEL_BLK	0x0002
 
 blk_t test1[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 0 };
-blk_t test2[] = { 11, 10, 9, 8, 7, 6, 5, 4, 3, 3, 2, 1 };
+blk_t test2[] = { 11, 10, 9, 8, 7, 6, 5, 4, 3, 3, 2, 1, 0 };
 blk_t test3[] = { 3, 1, 4, 5, 9, 2, 7, 10, 5, 6, 10, 8, 0 };
 blk_t test4[] = { 20, 50, 12, 17, 13, 2, 66, 23, 56, 0 };
 blk_t test4a[] = {
- 	20, 1,
+	20, 1,
 	50, 1,
 	3, 0,
 	17, 1,