diff options
Diffstat (limited to 'Python')
| -rw-r--r-- | Python/bootstrap_hash.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Python/bootstrap_hash.c b/Python/bootstrap_hash.c index 9fd5cfb..073b2ea 100644 --- a/Python/bootstrap_hash.c +++ b/Python/bootstrap_hash.c @@ -301,10 +301,15 @@ dev_urandom(char *buffer, Py_ssize_t size, int raise) if (raise) { struct _Py_stat_struct st; + int fstat_result; if (urandom_cache.fd >= 0) { + Py_BEGIN_ALLOW_THREADS + fstat_result = _Py_fstat_noraise(urandom_cache.fd, &st); + Py_END_ALLOW_THREADS + /* Does the fd point to the same thing as before? (issue #21207) */ - if (_Py_fstat_noraise(urandom_cache.fd, &st) + if (fstat_result || st.st_dev != urandom_cache.st_dev || st.st_ino != urandom_cache.st_ino) { /* Something changed: forget the cached fd (but don't close it, |