oysteikt/mpd
0
0
Fork 0
Code Issues Pull Requests Releases Activity

update: fixed stack corruption due to pthread_join() call

Browse Source 
pthread_join() expects a "pointer to a pointer" parameter, but it got
a "pointer to an enum".  On AMD64, an enum is smaller than a pointer,
leading to a buffer overflow.
This commit is contained in:
Max Kellermann 2008-10-09 19:17:33 +02:00
parent b4f1b20fd9
commit 69e34f11f5
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/update.c
View File

@ -451,6 +451,7 @@ int directory_update_init(char *path)
void reap_update_task(void)
{
void *thread_return;
enum update_return ret;
assert(pthread_equal(pthread_self(), main_task));
@ -467,8 +468,9 @@ void reap_update_task(void)
if (progress != UPDATE_PROGRESS_DONE)
return;
if (pthread_join(update_thr, (void **)&ret))
if (pthread_join(update_thr, &thread_return))
FATAL("error joining update thread: %s\n", strerror(errno));
ret = (enum update_return)(size_t)thread_return;
if (ret == UPDATE_RETURN_UPDATED)
playlistVersionChange();