* [PATCH] a2dp: Fix not checking for asprintf return value
@ 2019-04-19 10:58 Szymon Janc
0 siblings, 0 replies; only message in thread
From: Szymon Janc @ 2019-04-19 10:58 UTC (permalink / raw)
To: linux-bluetooth; +Cc: Szymon Janc
asprintf may return -1 on menmory allocation failure or other error leaving
sep->path with undefined content.
CC profiles/audio/bluetoothd-media.o
profiles/audio/a2dp.c: In function ‘register_remote_sep’:
profiles/audio/a2dp.c:1775:2: error: ignoring return value of ‘asprintf’,
declared with attribute warn_unused_result [-Werror=unused-result]
asprintf(&sep->path, "%s/sep%d", device_get_path(chan->device),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
avdtp_get_seid(rsep));
~~~~~~~~~~~~~~~~~~~~~
---
profiles/audio/a2dp.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/profiles/audio/a2dp.c b/profiles/audio/a2dp.c
index 8f141739c..481fd7861 100644
--- a/profiles/audio/a2dp.c
+++ b/profiles/audio/a2dp.c
@@ -1772,8 +1772,9 @@ static void register_remote_sep(void *data, void *user_data)
if (!(g_dbus_get_flags() & G_DBUS_FLAG_ENABLE_EXPERIMENTAL))
goto done;
- asprintf(&sep->path, "%s/sep%d", device_get_path(chan->device),
- avdtp_get_seid(rsep));
+ if (asprintf(&sep->path, "%s/sep%d", device_get_path(chan->device),
+ avdtp_get_seid(rsep)) < 0 )
+ goto done;
if (g_dbus_register_interface(btd_get_dbus_connection(),
sep->path, MEDIA_ENDPOINT_INTERFACE,
--
2.20.1
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2019-04-19 10:58 [PATCH] a2dp: Fix not checking for asprintf return value Szymon Janc
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