diff options
Diffstat (limited to 'util-linux')
| -rw-r--r-- | util-linux/seedrng.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/util-linux/seedrng.c b/util-linux/seedrng.c index 2965f3d..04e52a9 100644 --- a/util-linux/seedrng.c +++ b/util-linux/seedrng.c @@ -56,7 +56,11 @@ enum { MIN_SEED_LEN = SHA256_OUTSIZE, - MAX_SEED_LEN = 512 + /* kernels < 5.18 could return short reads from getrandom() + * if signal is pending and length is > 256. + * Let's limit our reads to 256 bytes. + */ + MAX_SEED_LEN = 256, }; static size_t determine_optimal_seed_len(void) |