diff options
Diffstat (limited to 'meta-oe/recipes-extended/hplip/hplip/030-replace_unsafe_memcpy_with_memmove.patch')
| -rw-r--r-- | meta-oe/recipes-extended/hplip/hplip/030-replace_unsafe_memcpy_with_memmove.patch | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/meta-oe/recipes-extended/hplip/hplip/030-replace_unsafe_memcpy_with_memmove.patch b/meta-oe/recipes-extended/hplip/hplip/030-replace_unsafe_memcpy_with_memmove.patch new file mode 100644 index 0000000000..2babb2b67a --- /dev/null +++ b/meta-oe/recipes-extended/hplip/hplip/030-replace_unsafe_memcpy_with_memmove.patch @@ -0,0 +1,15 @@ +https://bugs.launchpad.net/hplip/+bug/1672256 + +memcpy should never be used with overlapping memory regions + +--- a/io/hpmud/musb.c ++++ b/io/hpmud/musb.c +@@ -775,7 +775,7 @@ static int device_id(int fd, unsigned ch + len = size-1; /* leave byte for zero termination */ + if (len > 2) + len -= 2; +- memcpy(buffer, buffer+2, len); /* remove length */ ++ memmove(buffer, buffer+2, len); /* remove length */ + buffer[len]=0; + DBG("read actual device_id successfully fd=%d len=%d\n", fd, len); + |