X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=fs%2Fstat.c;h=bca07eb2003c395b8e40d33cfe3ce548065d9ff7;hb=346bc21026e7a92e1d7a4a1b3792c5e8b686133d;hp=60a31d5e5966a03ba0a3e009ae521bf02ade2adb;hpb=aebb1153ac54ddbbd3d3f0481a193f4bf0ead53b;p=mv-sheeva.git

diff --git a/fs/stat.c b/fs/stat.c
index 60a31d5e596..bca07eb2003 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -140,6 +140,8 @@ static int cp_old_stat(struct kstat *stat, struct __old_kernel_stat __user * sta
 	memset(&tmp, 0, sizeof(struct __old_kernel_stat));
 	tmp.st_dev = old_encode_dev(stat->dev);
 	tmp.st_ino = stat->ino;
+	if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino)
+		return -EOVERFLOW;
 	tmp.st_mode = stat->mode;
 	tmp.st_nlink = stat->nlink;
 	if (tmp.st_nlink != stat->nlink)
@@ -210,6 +212,8 @@ static int cp_new_stat(struct kstat *stat, struct stat __user *statbuf)
 	tmp.st_dev = new_encode_dev(stat->dev);
 #endif
 	tmp.st_ino = stat->ino;
+	if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino)
+		return -EOVERFLOW;
 	tmp.st_mode = stat->mode;
 	tmp.st_nlink = stat->nlink;
 	if (tmp.st_nlink != stat->nlink)
@@ -347,6 +351,8 @@ static long cp_new_stat64(struct kstat *stat, struct stat64 __user *statbuf)
 	tmp.st_rdev = huge_encode_dev(stat->rdev);
 #endif
 	tmp.st_ino = stat->ino;
+	if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino)
+		return -EOVERFLOW;
 #ifdef STAT64_HAS_BROKEN_ST_INO
 	tmp.__st_ino = stat->ino;
 #endif