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From: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
To: linux-bluetooth@vger.kernel.org
Subject: [PATCH v2] monitor: Fix invalid access
Date: Mon,  8 Mar 2021 14:42:28 -0800	[thread overview]
Message-ID: <20210308224228.344888-1-luiz.dentz@gmail.com> (raw)

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


             reply	other threads:[~2021-03-08 22:43 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-08 22:42 Luiz Augusto von Dentz [this message]
2021-03-08 23:00 ` [v2] monitor: Fix invalid access bluez.test.bot
2021-03-08 23:33   ` Luiz Augusto von Dentz

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