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acp: handle some errors better

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Handle allocation failure and size overflow.
This commit is contained in:
Wim Taymans 2024-05-16 11:03:20 +02:00
parent 6ee9e62787
commit 3c9bd37fa1
1 changed files with 6 additions and 0 deletions
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6
spa/plugins/alsa/acp/compat.h
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@ -35,6 +35,7 @@ extern "C" {
#include <stdlib.h> #include <stdlib.h>
#include <unistd.h> #include <unistd.h>
#include <math.h> #include <math.h>
#include <limits.h>
#include <spa/utils/string.h> #include <spa/utils/string.h>
@ -660,6 +661,8 @@ static inline char *pa_readlink(const char *p) {
ssize_t n; ssize_t n;
c = pa_xmalloc(l); c = pa_xmalloc(l);
if (c == NULL)
return NULL;
if ((n = readlink(p, c, l-1)) < 0) { if ((n = readlink(p, c, l-1)) < 0) {
pa_xfree(c); pa_xfree(c);
@ -672,6 +675,9 @@ static inline char *pa_readlink(const char *p) {
} }
pa_xfree(c); pa_xfree(c);
if (l >= (size_t)(INT_MAX / 2))
return NULL;
l *= 2; l *= 2;
} }
#else #else