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| author | Dan Carpenter <error27@gmail.com> | 2010-06-09 14:01:54 +0200 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2010-06-10 16:06:33 -0400 |
| commit | 14e45c15e1dcc4d972b41343661683efd60fed72 (patch) | |
| tree | 96635555f499e15ae8b0eb2a0e0d45233544f80b | |
| parent | 7908a9e5fc3f9a679b1777ed231a03636c068446 (diff) | |
| download | linux-14e45c15e1dcc4d972b41343661683efd60fed72.tar.gz | |
sata_sil24: memset() overflow
cb->atapi.cdb is an array of 16 u8 elements. The call too memset() would set the first part of the sge array to zero as well. It's not a packed struct. This one has been around for five years. I found it with Smatch. I think the reason no one has seen it before is because we normally call sil24_fill_sg() and that overwrites sge with proper information? Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
| -rw-r--r-- | drivers/ata/sata_sil24.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index 70b58fe9e5b1..a7f0139c3aae 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -865,7 +865,7 @@ static void sil24_qc_prep(struct ata_queued_cmd *qc) } else { prb = &cb->atapi.prb; sge = cb->atapi.sge; - memset(cb->atapi.cdb, 0, 32); + memset(cb->atapi.cdb, 0, sizeof(cb->atapi.cdb)); memcpy(cb->atapi.cdb, qc->cdb, qc->dev->cdb_len); if (ata_is_data(qc->tf.protocol)) { |