shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-07 19:30:30 +09:00
Code Issues Packages Projects Releases Wiki Activity

sparc/ptrace: Preserve previous registers for short regset write

Browse Source 
commit d3805c546b upstream.

Ensure that if userspace supplies insufficient data to PTRACE_SETREGSET
to fill all the registers, the thread's old registers are preserved.

Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dave Martin
2017-03-27 15:10:59 +01:00
committed by Greg Kroah-Hartman
parent c869366685
commit 962b95a885
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/sparc/kernel/ptrace_64.c
View File

@@ -311,7 +311,7 @@ static int genregs64_set(struct task_struct *target,
}
if (!ret) {
unsigned long y;
unsigned long y = regs->y;
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
&y,