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#6037 socket accept() failure could lead to NULL ptr dereference

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This commit is contained in:
Andrew Nelless
2017-05-12 00:10:16 +01:00
parent 1c5e986dcf
commit 485540bbb4
1 changed files with 7 additions and 3 deletions
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10
src/lib/arch/win32/ArchNetworkWinsock.cpp
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@@ -311,7 +311,7 @@ ArchNetworkWinsock::listenOnSocket(ArchSocket s)
}
ArchSocket
ArchNetworkWinsock::acceptSocket(ArchSocket s, ArchNetAddress* addr)
ArchNetworkWinsock::acceptSocket(ArchSocket s, ArchNetAddress* const addr)
{
assert(s != NULL);
@@ -325,7 +325,9 @@ ArchNetworkWinsock::acceptSocket(ArchSocket s, ArchNetAddress* addr)
int err = getsockerror_winsock();
delete socket;
free(tmp);
*addr = NULL;
if (addr) {
*addr = NULL;
}
if (err == WSAEWOULDBLOCK) {
return NULL;
}
@@ -339,7 +341,9 @@ ArchNetworkWinsock::acceptSocket(ArchSocket s, ArchNetAddress* addr)
close_winsock(fd);
delete socket;
free(tmp);
*addr = NULL;
if (addr) {
*addr = NULL;
}
throw;
}