alpha: fix stack smashing in old_adjtimex(2)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
8 years ago · 1c87ea4566
parent e73a67f7cd
commit 1c87ea4566
1 changed files with 1 additions and 1 deletions
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@ -1290,7 +1290,7 @@ SYSCALL_DEFINE1(old_adjtimex, struct timex32 __user *, txc_p)
 	/* copy relevant bits of struct timex. */
 	if (copy_from_user(&txc, txc_p, offsetof(struct timex32, time)) ||
 	    copy_from_user(&txc.tick, &txc_p->tick, sizeof(struct timex32) - 
-			   offsetof(struct timex32, time)))
+			   offsetof(struct timex32, tick)))
 	  return -EFAULT;

 	ret = do_adjtimex(&txc);