diff options
Diffstat (limited to 'libc/sysdeps/linux/common/fstatat.c')
| -rw-r--r-- | libc/sysdeps/linux/common/fstatat.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/libc/sysdeps/linux/common/fstatat.c b/libc/sysdeps/linux/common/fstatat.c index a0bc3cd3a..06c3ab912 100644 --- a/libc/sysdeps/linux/common/fstatat.c +++ b/libc/sysdeps/linux/common/fstatat.c @@ -19,12 +19,23 @@ int fstatat(int fd, const char *file, struct stat *buf, int flag) { int ret; +# ifdef __ARCH_HAS_DEPRECATED_SYSCALLS__ struct kernel_stat64 kbuf; - ret = INLINE_SYSCALL(fstatat64, 4, fd, file, &kbuf, flag); if (ret == 0) __xstat32_conv(&kbuf, buf); - +# else + ret = INLINE_SYSCALL(fstatat64, 4, fd, file, buf, flag); + if (ret == 0) { + /* Did we overflow */ + if (buf->__pad1 || buf->__pad2 || buf->__pad3 + || buf->__pad4 || buf->__pad5 || buf->__pad6 + || buf->__pad7) { + __set_errno(EOVERFLOW); + return -1; + } + } +# endif /* __ARCH_HAS_DEPRECATED_SYSCALLS__ */ return ret; } #else |