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Make minor improvements

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This commit is contained in:
Justine Tunney 2021-05-15 21:53:26 -07:00
parent 221817e537
commit 4864565198
41 changed files with 394 additions and 367 deletions
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7
libc/sock/recvfrom.c
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@ -19,6 +19,7 @@
#include "libc/calls/internal.h"
#include "libc/calls/struct/iovec.h"
#include "libc/dce.h"
#include "libc/intrin/asan.internal.h"
#include "libc/nt/winsock.h"
#include "libc/sock/internal.h"
#include "libc/sock/sock.h"
@ -43,6 +44,12 @@
ssize_t recvfrom(int fd, void *buf, size_t size, uint32_t flags,
void *opt_out_srcaddr, uint32_t *opt_inout_srcaddrsize) {
ssize_t got;
if (IsAsan() &&
(!__asan_is_valid(buf, size) ||
(opt_out_srcaddr &&
!__asan_is_valid(opt_out_srcaddr, *opt_inout_srcaddrsize)))) {
return efault();
}
if (!IsWindows()) {
got = sys_recvfrom(fd, buf, size, flags, opt_out_srcaddr,
opt_inout_srcaddrsize);