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authorÉrico Rolim <ericonr@disroot.org>2020-12-24 01:18:04 -0300
committerRich Felker <dalias@aerifal.cx>2021-01-30 17:29:55 -0500
commit074932c84d34273821e3bfc2511e60a5ce78b8d8 (patch)
tree12ae0b99750b11438247dc9bf493f37fbeca362d /src
parent9b77aaca86b53c367f23505c24dd3c02e240efad (diff)
downloadmusl-074932c84d34273821e3bfc2511e60a5ce78b8d8.tar.gz
fix possible fd leak via missing O_CLOEXEC in pthread_setname_np
the omission of the flag here seems to have been an oversight when the function was added in 8fb28b0b3e7a5e958fb844722a4b2ef9bc244af1
Diffstat (limited to 'src')
-rw-r--r--src/thread/pthread_setname_np.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/thread/pthread_setname_np.c b/src/thread/pthread_setname_np.c
index 82d35e17..fc2d2306 100644
--- a/src/thread/pthread_setname_np.c
+++ b/src/thread/pthread_setname_np.c
@@ -19,7 +19,7 @@ int pthread_setname_np(pthread_t thread, const char *name)
snprintf(f, sizeof f, "/proc/self/task/%d/comm", thread->tid);
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
- if ((fd = open(f, O_WRONLY)) < 0 || write(fd, name, len) < 0) status = errno;
+ if ((fd = open(f, O_WRONLY|O_CLOEXEC)) < 0 || write(fd, name, len) < 0) status = errno;
if (fd >= 0) close(fd);
pthread_setcancelstate(cs, 0);
return status;