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| author | Michael Buesch <mb@bu3sch.de> | 2009-07-19 09:15:19 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-07-21 20:36:25 -0700 |
| commit | 2fc2111c2729462b99b6e37f39a48917054776f5 (patch) | |
| tree | e8803cdde80db3b3d5e8ecd4e0e90579c44a2073 | |
| parent | bc146d23d1358af43f03793c3ad8c9f16bbcffcb (diff) | |
| download | linux-2fc2111c2729462b99b6e37f39a48917054776f5.tar.gz linux-2fc2111c2729462b99b6e37f39a48917054776f5.tar.bz2 linux-2fc2111c2729462b99b6e37f39a48917054776f5.zip | |
ide-tape: Don't leak kernel stack information
Don't leak kernel stack information through uninitialized structure members.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Acked-by: Borislav Petkov <petkovbb@gmail.com>.
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/ide/ide-tape.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 013dc595fab6..bc5fb12b913c 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -1064,6 +1064,7 @@ static int idetape_blkdev_ioctl(ide_drive_t *drive, unsigned int cmd, tape->best_dsc_rw_freq = config.dsc_rw_frequency; break; case 0x0350: + memset(&config, 0, sizeof(config)); config.dsc_rw_frequency = (int) tape->best_dsc_rw_freq; config.nr_stages = 1; if (copy_to_user(argp, &config, sizeof(config))) |