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authorAl Viro <viro@zeniv.linux.org.uk>2017-03-25 00:43:43 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2017-04-06 02:10:31 -0400
commit1c87ea4566612ef37e31f6389cbb232bd49cdd45 (patch)
tree2332c1659bde70ba5a8f64a88d97c8d0e3474c6f /arch/alpha/kernel
parente73a67f7cd471a14bb1351954609e0b0ef5d2187 (diff)
alpha: fix stack smashing in old_adjtimex(2)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/alpha/kernel')
-rw-r--r--arch/alpha/kernel/osf_sys.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 0b961093ca5c..6d76e528ab8f 100644
--- 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);