| author |  Timon Kruiper <timonkruiper@gmail.com> 2020-03-31 20:15:09+02:00 |
| committer |  Andrew Kelley <andrew@ziglang.org> 2020-03-31 15:26:06-04:00 |
| log | 9e019ed26bf2ab46040099dadaf778dec436bc4a |
| tree | 97fbc7f93c0ddb91e84eeba4fad0fb81f6077ada |
| parent | c7a37967340da7e21281fca09e82f8fffb3f15d8 |
Fix possible unaligned ptr from `getauxval`
This caused SIGILL on armv7a-linux1 files changed, 4 insertions(+), 1 deletions(-)
src
src/os.cpp+4-1
| ... | ... | @@ -1456,7 +1456,10 @@ static void init_rand() { |
| 1456 | 1456 | memcpy(&seed, bytes, sizeof(unsigned)); |
| 1457 | 1457 | srand(seed); |
| 1458 | 1458 | #elif defined(ZIG_OS_LINUX) |
| 1459 | srand(*((unsigned*)getauxval(AT_RANDOM))); | |
| 1459 | unsigned char *ptr_random = (unsigned char*)getauxval(AT_RANDOM); | |
| 1460 | unsigned seed; | |
| 1461 | memcpy(&seed, ptr_random, sizeof(seed)); | |
| 1462 | srand(seed); | |
| 1460 | 1463 | #else |
| 1461 | 1464 | int fd = open("/dev/urandom", O_RDONLY|O_CLOEXEC); |
| 1462 | 1465 | if (fd == -1) { |