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libc: Ensure /dev/random is opened with O_CLOEXEC on init

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apio 2022-10-27 17:50:15 +02:00
parent d93a4062a2
commit 8ed0ff1381
1 changed files with 2 additions and 1 deletions
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3
libs/libc/src/init.cpp
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@ -15,7 +15,8 @@ static void initialize_random()
{ {
unsigned int seed = 3735928559U; unsigned int seed = 3735928559U;
FILE* fp = fopen("/dev/random", "rw"); int fd = open("/dev/random", O_RDONLY | O_CLOEXEC); // If we somehow fail to close this file, close it on exec.
FILE* fp = fdopen(fd, "r");
if (!fp) if (!fp)
{ {
errno = 0; errno = 0;