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authorNick Terrell <terrelln@fb.com>2022-10-21 16:00:35 -0700
committerNick Terrell <terrelln@fb.com>2022-10-21 16:00:35 -0700
commit14e77332e74603efab8347c89d3cda447c3b97c9 (patch)
treeb7b8a48f4f75590266a763c52e072dda32b228ae /lib/usercopy.c
parent88a309465b3f05a100c3b81966982c0f9f5d23a6 (diff)
parent1d61754caa8c69f566504e63c8b3f3a2df0954c8 (diff)
Merge branch 'main' into zstd-next
Diffstat (limited to 'lib/usercopy.c')
-rw-r--r--lib/usercopy.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/usercopy.c b/lib/usercopy.c
index 7413dd300516..1505a52f23a0 100644
--- a/lib/usercopy.c
+++ b/lib/usercopy.c
@@ -12,8 +12,9 @@ unsigned long _copy_from_user(void *to, const void __user *from, unsigned long n
unsigned long res = n;
might_fault();
if (!should_fail_usercopy() && likely(access_ok(from, n))) {
- instrument_copy_from_user(to, from, n);
+ instrument_copy_from_user_before(to, from, n);
res = raw_copy_from_user(to, from, n);
+ instrument_copy_from_user_after(to, from, n, res);
}
if (unlikely(res))
memset(to + (n - res), 0, res);