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authorTakashi Iwai <[email protected]>2022-12-22 08:11:48 +0000
committerTakashi Iwai <[email protected]>2022-12-22 08:11:48 +0000
commit2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b (patch)
treef711bc9cab45f4963e4883ef15ff4c54a6cbc12e /arch/x86/lib/usercopy.c
parentMerge tag 'asoc-fix-v6.1-rc7' of https://git.kernel.org/pub/scm/linux/kernel/... (diff)
parentALSA: hda/hdmi: fix stream-id config keep-alive for rt suspend (diff)
downloadkernel-2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b.tar.gz
kernel-2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b.zip
Merge branch 'for-next' into for-linus
Diffstat (limited to 'arch/x86/lib/usercopy.c')
-rw-r--r--arch/x86/lib/usercopy.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/lib/usercopy.c b/arch/x86/lib/usercopy.c
index f1bb18617156..24b48af27417 100644
--- a/arch/x86/lib/usercopy.c
+++ b/arch/x86/lib/usercopy.c
@@ -6,6 +6,7 @@
#include <linux/uaccess.h>
#include <linux/export.h>
+#include <linux/instrumented.h>
#include <asm/tlbflush.h>
@@ -44,7 +45,9 @@ copy_from_user_nmi(void *to, const void __user *from, unsigned long n)
* called from other contexts.
*/
pagefault_disable();
+ instrument_copy_from_user_before(to, from, n);
ret = raw_copy_from_user(to, from, n);
+ instrument_copy_from_user_after(to, from, n, ret);
pagefault_enable();
return ret;