diff options
Diffstat (limited to 'meta/recipes-multimedia/alsa/alsa-lib/0001-ucm-Use-strncmp-to-avoid-access-out-of-boundary.patch')
| -rw-r--r-- | meta/recipes-multimedia/alsa/alsa-lib/0001-ucm-Use-strncmp-to-avoid-access-out-of-boundary.patch | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/meta/recipes-multimedia/alsa/alsa-lib/0001-ucm-Use-strncmp-to-avoid-access-out-of-boundary.patch b/meta/recipes-multimedia/alsa/alsa-lib/0001-ucm-Use-strncmp-to-avoid-access-out-of-boundary.patch deleted file mode 100644 index 96dcd8abac..0000000000 --- a/meta/recipes-multimedia/alsa/alsa-lib/0001-ucm-Use-strncmp-to-avoid-access-out-of-boundary.patch +++ /dev/null | |||
| @@ -1,41 +0,0 @@ | |||
| 1 | From 4b6fe372c68d1ff50e7c161cffadeb298734f49c Mon Sep 17 00:00:00 2001 | ||
| 2 | From: paulhsia <paulhsia@chromium.org> | ||
| 3 | Date: Sat, 30 Nov 2019 03:35:30 +0800 | ||
| 4 | Subject: [PATCH 1/5] ucm: Use strncmp to avoid access-out-of-boundary | ||
| 5 | |||
| 6 | If the length of the identifier is less than the length of the prefix, | ||
| 7 | access-out-of-boundary will occur in memcmp(). | ||
| 8 | |||
| 9 | Signed-off-by: paulhsia <paulhsia@chromium.org> | ||
| 10 | Signed-off-by: Jaroslav Kysela <perex@perex.cz> | ||
| 11 | |||
| 12 | Upstream-Status: Backport | ||
| 13 | Signed-off-by: Tanu Kaskinen <tanuk@iki.fi> | ||
| 14 | --- | ||
| 15 | src/ucm/main.c | 8 +++++--- | ||
| 16 | 1 file changed, 5 insertions(+), 3 deletions(-) | ||
| 17 | |||
| 18 | diff --git a/src/ucm/main.c b/src/ucm/main.c | ||
| 19 | index b0b6ffb3..252e50d9 100644 | ||
| 20 | --- a/src/ucm/main.c | ||
| 21 | +++ b/src/ucm/main.c | ||
| 22 | @@ -61,11 +61,13 @@ static int check_identifier(const char *identifier, const char *prefix) | ||
| 23 | { | ||
| 24 | int len; | ||
| 25 | |||
| 26 | - if (strcmp(identifier, prefix) == 0) | ||
| 27 | - return 1; | ||
| 28 | len = strlen(prefix); | ||
| 29 | - if (memcmp(identifier, prefix, len) == 0 && identifier[len] == '/') | ||
| 30 | + if (strncmp(identifier, prefix, len) != 0) | ||
| 31 | + return 0; | ||
| 32 | + | ||
| 33 | + if (identifier[len] == 0 || identifier[len] == '/') | ||
| 34 | return 1; | ||
| 35 | + | ||
| 36 | return 0; | ||
| 37 | } | ||
| 38 | |||
| 39 | -- | ||
| 40 | 2.20.1 | ||
| 41 | |||
