xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile

Browse Source 
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
This commit is contained in:
Linus Torvalds
2017-01-23 13:51:59 -08:00
parent 6302118226 fd7c99142d
commit a4685d2f58
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/tile/kernel/ptrace.c
View File

@@ -111,7 +111,7 @@ static int tile_gpr_set(struct task_struct *target,
const void *kbuf, const void __user *ubuf) const void *kbuf, const void __user *ubuf)
{ {
int ret; int ret;
struct pt_regs regs; struct pt_regs regs = *task_pt_regs(target);
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &regs, 0, ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &regs, 0,
sizeof(regs)); sizeof(regs));