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4218. [bug] Potential null pointer dereference on out of memory if mmap is not supported. [RT #40777]

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This commit is contained in:
Mark Andrews 2015-09-19 07:12:02 +10:00
parent cc52a16096
commit 4dd41c7d59
3 changed files with 8 additions and 0 deletions
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2
CHANGES
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@ -1,3 +1,5 @@
4218. [bug] Potential null pointer dereference on out of memory if mmap is not supported. [RT #40777]
4217. [protocol] Add support for CSYNC. [RT #40532]
4216. [cleanup] Silence static analysis warnings. [RT #40649]

3
lib/isc/unix/file.c
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@ -678,6 +678,9 @@ isc_file_mmap(void *addr, size_t len, int prot,
len = end - offset;
buf = malloc(len);
if (buf == NULL)
return (NULL);
ret = read(fd, buf, len);
if (ret != (ssize_t) len) {
free(buf);

3
lib/isc/win32/file.c
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@ -757,6 +757,9 @@ isc_file_mmap(void *addr, size_t len, int prot,
len = end - offset;
buf = malloc(len);
if (buf == NULL)
return (NULL);
ret = read(fd, buf, (unsigned int) len);
if (ret != (ssize_t) len) {
free(buf);