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authorManu Abraham <manu@linuxtv.org>2005-11-09 06:35:24 +0100
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-09 16:56:02 +0100
commit5c15c0b4fa850543b8ccfcf93686d24456cc384d (patch)
tree85863bed32aedbed05a079efc077e04827f58f89 /drivers/media/dvb/bt8xx
parent[PATCH] dvb: dst: remove redundant checksum calculation (diff)
downloadlinux-5c15c0b4fa850543b8ccfcf93686d24456cc384d.tar.xz
linux-5c15c0b4fa850543b8ccfcf93686d24456cc384d.zip
[PATCH] dvb: dst: Fix possible buffer overflow
Fixes a possible buffer overflow due to reading more than 8 bytes into an 8 byte long array Thanks to Perceval Anichini <perceval.anichini@streamvision.fr> for pointing out the bug. Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Cc: Johannes Stezenbach <js@linuxtv.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/media/dvb/bt8xx')
-rw-r--r--drivers/media/dvb/bt8xx/dst_ca.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/dvb/bt8xx/dst_ca.c b/drivers/media/dvb/bt8xx/dst_ca.c
index 16645e06dea2..38c728945bf1 100644
--- a/drivers/media/dvb/bt8xx/dst_ca.c
+++ b/drivers/media/dvb/bt8xx/dst_ca.c
@@ -196,7 +196,7 @@ static int ca_get_slot_info(struct dst_state *state, struct ca_slot_info *p_ca_s
int i;
static u8 slot_command[8] = {0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
- u8 *slot_info = state->rxbuffer;
+ u8 *slot_info = state->messages;
put_checksum(&slot_command[0], 7);
if ((dst_put_ci(state, slot_command, sizeof (slot_command), slot_info, GET_REPLY)) < 0) {