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* [PATCH v2] monitor: Fix invalid access
@ 2021-03-08 22:42 Luiz Augusto von Dentz
  2021-03-08 23:00 ` [v2] " bluez.test.bot
  0 siblings, 1 reply; 3+ messages in thread
From: Luiz Augusto von Dentz @ 2021-03-08 22:42 UTC (permalink / raw)
  To: linux-bluetooth

From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

ident can be NULL when printing user logs which may lead ot invalid
access.

Fixes: https://github.com/bluez/bluez/issues/92
---
 monitor/packet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/monitor/packet.c b/monitor/packet.c
index a72b424fe..8b87d3d8b 100644
--- a/monitor/packet.c
+++ b/monitor/packet.c
@@ -11306,7 +11306,7 @@ void packet_user_logging(struct timeval *tv, struct ucred *cred,
 			label = "Message";
 	}
 
-	if (ident[0] == '<' || ident[0] == '>') {
+	if (ident && (ident[0] == '<' || ident[0] == '>')) {
 		packet_decode(tv, cred, ident[0], index, color,
 				label == ident ? &ident[2] : label,
 				data, size);
-- 
2.29.2


^ permalink raw reply related	[flat|nested] 3+ messages in thread

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Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2021-03-08 22:42 [PATCH v2] monitor: Fix invalid access Luiz Augusto von Dentz
2021-03-08 23:00 ` [v2] " bluez.test.bot
2021-03-08 23:33   ` Luiz Augusto von Dentz

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