Messages in this thread | | | Date | Tue, 2 Oct 2012 21:23:41 +1000 (EST) | From | James Morris <> | Subject | Re: [PATCH v2 resend] seccomp: Make syscall skipping and nr changes more consistent |
| |
On Mon, 1 Oct 2012, Andy Lutomirski wrote:
> This fixes two issues that could cause incompatibility between > kernel versions: > > - If a tracer uses SECCOMP_RET_TRACE to select a syscall number > higher than the largest known syscall, emulate the unknown > vsyscall by returning -ENOSYS. (This is unlikely to make a > noticeable difference on x86-64 due to the way the system call > entry works.) > > - On x86-64 with vsyscall=emulate, skipped vsyscalls were buggy. > > This updates the documentation accordingly. > > Signed-off-by: Andy Lutomirski <luto@amacapital.net> > Acked-by: Will Drewry <wad@chromium.org>
Applied to git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git next-queue
| |