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aio: fix kernel memory disclosure in io_getevents() introduced in v3.10
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
fs
/
compat_ioctl.c
diff --git
a/fs/compat_ioctl.c
b/fs/compat_ioctl.c
index
dc52e13
..
3881610
100644
(file)
--- a/
fs/compat_ioctl.c
+++ b/
fs/compat_ioctl.c
@@
-680,7
+680,8
@@
static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd,
struct i2c_msg __user *tmsgs;
struct i2c_msg32 __user *umsgs;
compat_caddr_t datap;
- int nmsgs, i;
+ u32 nmsgs;
+ int i;
if (get_user(nmsgs, &udata->nmsgs))
return -EFAULT;