On Sat, Aug 01, 2020 at 02:06:46PM +0300, Dmitry V. Levin wrote:
> On Fri, Jul 31, 2020 at 10:08:41PM -0400, Peilin Ye wrote:
> > ptrace_get_syscall_info() is potentially copying uninitialized stack
> > memory to userspace, since the compiler may leave a 3-byte hole near the
> > beginning of
On Fri, Jul 31, 2020 at 10:08:41PM -0400, Peilin Ye wrote:
> ptrace_get_syscall_info() is potentially copying uninitialized stack
> memory to userspace, since the compiler may leave a 3-byte hole near the
> beginning of `info`. Fix it by adding a padding field to `struct
> ptrace_syscall_info`.
>
ptrace_get_syscall_info() is potentially copying uninitialized stack
memory to userspace, since the compiler may leave a 3-byte hole near the
beginning of `info`. Fix it by adding a padding field to `struct
ptrace_syscall_info`.
Cc: sta...@vger.kernel.org
Fixes: 201766a20e30 ("ptrace: add
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