From: Markos Chandras <[email protected]>
Signed-off-by: Markos Chandras <[email protected]>
---
libc/sysdeps/linux/common/fstatat.c | 15 +++++++++++++--
libc/sysdeps/linux/common/fstatat64.c | 4 ++++
2 files changed, 17 insertions(+), 2 deletions(-)
diff --git a/libc/sysdeps/linux/common/fstatat.c
b/libc/sysdeps/linux/common/fstatat.c
index a0bc3cd..2fde220 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
diff --git a/libc/sysdeps/linux/common/fstatat64.c
b/libc/sysdeps/linux/common/fstatat64.c
index 9020fb5..cabed91 100644
--- a/libc/sysdeps/linux/common/fstatat64.c
+++ b/libc/sysdeps/linux/common/fstatat64.c
@@ -20,6 +20,7 @@
# include "xstatconv.h"
int fstatat64(int fd, const char *file, struct stat64 *buf, int flag)
{
+#ifdef __ARCH_HAS_DEPRECATED_SYSCALLS__
int ret;
struct kernel_stat64 kbuf;
@@ -28,6 +29,9 @@ int fstatat64(int fd, const char *file, struct stat64 *buf,
int flag)
__xstat64_conv(&kbuf, buf);
return ret;
+#else
+ return INLINE_SYSCALL(fstatat64, 4, fd, file, buf, flag);
+#endif
}
#else
/* should add emulation with fstat64() and /proc/self/fd/ ... */
--
1.8.1.1
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