Subject: + drivers-block-paride-pgc-underflow-bug-in-pg_write.patch added to -mm tree
To: dan.carpenter@xxxxxxxxxx,axboe@xxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Thu, 17 Oct 2013 14:14:28 -0700
The patch titled
Subject: drivers/block/paride/pg.c: underflow bug in pg_write()
has been added to the -mm tree. Its filename is
drivers-block-paride-pgc-underflow-bug-in-pg_write.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/drivers-block-paride-pgc-underflow-bug-in-pg_write.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/drivers-block-paride-pgc-underflow-bug-in-pg_write.patch
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------------------------------------------------------
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Subject: drivers/block/paride/pg.c: underflow bug in pg_write()
The test here can underflow so we pass bogus lengths to the hardware.
It's a static checker fix and I don't know the impact.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/block/paride/pg.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/block/paride/pg.c~drivers-block-paride-pgc-underflow-bug-in-pg_write drivers/block/paride/pg.c
--- a/drivers/block/paride/pg.c~drivers-block-paride-pgc-underflow-bug-in-pg_write
+++ a/drivers/block/paride/pg.c
@@ -581,7 +581,7 @@ static ssize_t pg_write(struct file *fil
if (hdr.magic != PG_MAGIC)
return -EINVAL;
- if (hdr.dlen > PG_MAX_DATA)
+ if (hdr.dlen < 0 || hdr.dlen > PG_MAX_DATA)
return -EINVAL;
if ((count - hs) > PG_MAX_DATA)
return -EINVAL;
_
Patches currently in -mm which might be from dan.carpenter@xxxxxxxxxx are
origin.patch
ocfs2-add-missing-errno-in-ocfs2_ioctl_move_extents.patch
drivers-block-paride-pgc-underflow-bug-in-pg_write.patch
backlight-lm3630-signedness-bug-in-lm3630a_chip_init.patch
backlight-lm3630-potential-null-deref-in-probe.patch
linux-next.patch
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