diff options
| author | Kees Cook <keescook@chromium.org> | 2017-02-16 01:44:37 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-02-23 17:43:09 +0100 |
| commit | 6787d3ecbef743ef446d79ce1a1de1f9f4a7ff04 (patch) | |
| tree | a73d05d5602b6e0b75de528d228a3cff01b521b8 /arch/arm/lib/getuser.S | |
| parent | e6394c7d1c191005baa2d39ca2cc325374a7a35f (diff) | |
ARM: 8658/1: uaccess: fix zeroing of 64-bit get_user()
commit 9e3440481845b2ec22508f60837ee2cab2b6054f upstream.
The 64-bit get_user() wasn't clearing the high word due to a typo in the
error handler. The exception handler entry was already correct, though.
Noticed during recent usercopy test additions in lib/test_user_copy.c.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm/lib/getuser.S')
| -rw-r--r-- | arch/arm/lib/getuser.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/lib/getuser.S b/arch/arm/lib/getuser.S index 8ecfd15c3a02..df73914e81c8 100644 --- a/arch/arm/lib/getuser.S +++ b/arch/arm/lib/getuser.S @@ -67,7 +67,7 @@ ENTRY(__get_user_4) ENDPROC(__get_user_4) ENTRY(__get_user_8) - check_uaccess r0, 8, r1, r2, __get_user_bad + check_uaccess r0, 8, r1, r2, __get_user_bad8 #ifdef CONFIG_THUMB2_KERNEL 5: TUSER(ldr) r2, [r0] 6: TUSER(ldr) r3, [r0, #4] |