| Message ID | 20210201193305.136390-1-groug@kaod.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | virtiofsd: Add restart_syscall to the seccomp whitelist | expand |
* Greg Kurz (groug@kaod.org) wrote: > This is how linux restarts some system calls after SIGSTOP/SIGCONT. > This is needed to avoid virtiofsd termination when resuming execution > under GDB for example. Ah! Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> > Signed-off-by: Greg Kurz <groug@kaod.org> > --- > > This has passed Travis and gitlab CI without errors. > > tools/virtiofsd/passthrough_seccomp.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/tools/virtiofsd/passthrough_seccomp.c b/tools/virtiofsd/passthrough_seccomp.c > index a60d7da4b4e2..da03e97d35e4 100644 > --- a/tools/virtiofsd/passthrough_seccomp.c > +++ b/tools/virtiofsd/passthrough_seccomp.c > @@ -88,6 +88,7 @@ static const int syscall_whitelist[] = { > SCMP_SYS(renameat), > SCMP_SYS(renameat2), > SCMP_SYS(removexattr), > + SCMP_SYS(restart_syscall), > SCMP_SYS(rt_sigaction), > SCMP_SYS(rt_sigprocmask), > SCMP_SYS(rt_sigreturn), > -- > 2.26.2 >
On Mon, Feb 01, 2021 at 08:33:05PM +0100, Greg Kurz wrote: > This is how linux restarts some system calls after SIGSTOP/SIGCONT. > This is needed to avoid virtiofsd termination when resuming execution > under GDB for example. > > Signed-off-by: Greg Kurz <groug@kaod.org> > --- > > This has passed Travis and gitlab CI without errors. > > tools/virtiofsd/passthrough_seccomp.c | 1 + > 1 file changed, 1 insertion(+) Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
diff --git a/tools/virtiofsd/passthrough_seccomp.c b/tools/virtiofsd/passthrough_seccomp.c index a60d7da4b4e2..da03e97d35e4 100644 --- a/tools/virtiofsd/passthrough_seccomp.c +++ b/tools/virtiofsd/passthrough_seccomp.c @@ -88,6 +88,7 @@ static const int syscall_whitelist[] = { SCMP_SYS(renameat), SCMP_SYS(renameat2), SCMP_SYS(removexattr), + SCMP_SYS(restart_syscall), SCMP_SYS(rt_sigaction), SCMP_SYS(rt_sigprocmask), SCMP_SYS(rt_sigreturn),
This is how linux restarts some system calls after SIGSTOP/SIGCONT. This is needed to avoid virtiofsd termination when resuming execution under GDB for example. Signed-off-by: Greg Kurz <groug@kaod.org> --- This has passed Travis and gitlab CI without errors. tools/virtiofsd/passthrough_seccomp.c | 1 + 1 file changed, 1 insertion(+)