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| author | Ingo van Lil <inguin@gmx.de> | 2008-03-24 12:29:44 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-03-24 19:22:19 -0700 |
| commit | 2875fb65f8e40401c4b781ebc5002df10485f635 (patch) | |
| tree | fe111c02b7aa2c943e7f824aadd6e7fa06da3d0f | |
| parent | 1312848e92a0686cb5124aa86ea58d55ba795742 (diff) | |
| download | linux-2875fb65f8e40401c4b781ebc5002df10485f635.tar.gz | |
mtd: memory corruption in block2mtd.c
The block2mtd driver (drivers/mtd/devices/block2mtd.c) will kfree an on-stack pointer when handling an invalid argument line (e.g. block2mtd=/dev/loop0,xxx). The kfree was added some time ago when "name" was dynamically allocated. Signed-off-by: Ingo van Lil <inguin@gmx.de> Acked-by: Joern Engel <joern@lazybastard.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: <stable@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/mtd/devices/block2mtd.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c index eeaaa9dce6ef..ad1880c67518 100644 --- a/drivers/mtd/devices/block2mtd.c +++ b/drivers/mtd/devices/block2mtd.c @@ -408,7 +408,6 @@ static int block2mtd_setup2(const char *val) if (token[1]) { ret = parse_num(&erase_size, token[1]); if (ret) { - kfree(name); parse_err("illegal erase size"); } } |