Commit a4685d2f authored Jan 23, 2017 by Linus Torvalds

linux-tile

Pull tile bugfix from Chris Metcalf:
 "This avoids an issue with short userspace reads for regset via ptrace"

* 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
  tile/ptrace: Preserve previous registers for short regset write

parents 63021182 fd7c9914

arch/tile/kernel/ptrace.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -111,7 +111,7 @@ static int tile_gpr_set(struct task_struct *target,
		const void kbuf, const void __user ubuf)
		{
		int ret;
		struct pt_regs regs;
		struct pt_regs regs = *task_pt_regs(target);

		ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &regs, 0,
		sizeof(regs));