diff options
| author | Dave Martin <Dave.Martin@arm.com> | 2017-01-18 16:25:20 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-26 08:24:40 +0100 |
| commit | 357cfd6c83ee601f88f741b026c3301d6ca564e0 (patch) | |
| tree | a43183664a0ab28de9a48412be73bc99bf222769 /mm | |
| parent | de327948c009792ea49b07139c21e3a953137344 (diff) | |
arm64/ptrace: Preserve previous registers for short regset write
commit 9a17b876b573441bfb3387ad55d98bf7184daf9d upstream.
Ensure that if userspace supplies insufficient data to
PTRACE_SETREGSET to fill all the registers, the thread's old
registers are preserved.
Fixes: 478fcb2cdb23 ("arm64: Debugging support")
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Acked-by: Will Deacon <Will.Deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions