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Commit 5c15c0b4 authored by Manu Abraham's avatar Manu Abraham Committed by Linus Torvalds
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[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: default avatarManu Abraham <manu@linuxtv.org>
Signed-off-by: default avatarMichael Krufky <mkrufky@linuxtv.org>
Cc: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 4fbbc7ee

drivers/media/dvb/bt8xx/dst_ca.c

+1 −1
Original line number Diff line number Diff line
@@ -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) {