KEYS: 64-bit MIPS needs to use compat_sys_keyctl for 32-bit userspace

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

MIPS64 needs to use compat_sys_keyctl for 32-bit userspace rather than
calling sys_keyctl. The latter will work in a lot of cases, thereby hiding
the issue.

Reported-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: stable@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-security-module@vger.kernel.org
Cc: keyrings@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13832/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

authored by

David Howells and committed by

Ralf Baechle 9 years ago 20f06ed9 5573f6ad

+2 -2

2 changed files

expand all

arch

mips

kernel

scall64-n32.S

scall64-o32.S

+1 -1

arch/mips/kernel/scall64-n32.S

··· 348 348 PTR sys_ni_syscall /* available, was setaltroot */ 349 349 PTR sys_add_key 350 350 PTR sys_request_key 351 - PTR sys_keyctl /* 6245 */ 351 + PTR compat_sys_keyctl /* 6245 */ 352 352 PTR sys_set_thread_area 353 353 PTR sys_inotify_init 354 354 PTR sys_inotify_add_watch

+1 -1

arch/mips/kernel/scall64-o32.S

··· 504 504 PTR sys_ni_syscall /* available, was setaltroot */ 505 505 PTR sys_add_key /* 4280 */ 506 506 PTR sys_request_key 507 - PTR sys_keyctl 507 + PTR compat_sys_keyctl 508 508 PTR sys_set_thread_area 509 509 PTR sys_inotify_init 510 510 PTR sys_inotify_add_watch /* 4285 */