commit 59fa0c2d996621af5c6990534fe9a07864882975 Author: Nick Mathewson nickm@torproject.org Date: Mon Jun 15 10:13:11 2015 -0400

Fix another seccomp2 issue

Allow pipe() and pipe2() syscalls; we need these when eventfd2() support is missing. Fixes bug 16363; bugfix on 0.2.6.3-alpha. Patch from "teor". --- changes/bug16363 | 4 ++++ src/common/sandbox.c | 8 ++++++++ 2 files changed, 12 insertions(+)

diff --git a/changes/bug16363 b/changes/bug16363 new file mode 100644 index 0000000..1a6f8c6 --- /dev/null +++ b/changes/bug16363 @@ -0,0 +1,4 @@ + o Minor bugfixes (Linux seccomp2 sandbox): + - Allow pipe() and pipe2() syscalls; we need these when eventfd2() + support is missing. Fixes bug 16363; bugfix on 0.2.6.3-alpha. + Patch from "teor". diff --git a/src/common/sandbox.c b/src/common/sandbox.c index cdb4521..161eab7 100644 --- a/src/common/sandbox.c +++ b/src/common/sandbox.c @@ -129,7 +129,15 @@ static int filter_nopar_gen[] = { SCMP_SYS(clone), SCMP_SYS(epoll_create), SCMP_SYS(epoll_wait), +#ifdef HAVE_EVENTFD SCMP_SYS(eventfd2), +#endif +#ifdef HAVE_PIPE2 + SCMP_SYS(pipe2), +#endif +#ifdef HAVE_PIPE + SCMP_SYS(pipe), +#endif SCMP_SYS(fcntl), SCMP_SYS(fstat), #ifdef __NR_fstat64