[Virtio-fs] [PULL 5/5] virtiofsd: Add restart_syscall to the seccomp whitelist
Dr. David Alan Gilbert (git)
dgilbert at redhat.com
Thu Feb 4 18:34:39 UTC 2021
From: Greg Kurz <groug at kaod.org>
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 at kaod.org>
Message-Id: <20210201193305.136390-1-groug at kaod.org>
Reviewed-by: Dr. David Alan Gilbert <dgilbert at redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha at redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert at redhat.com>
---
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 1ecf5bf318..ea852e2e33 100644
--- a/tools/virtiofsd/passthrough_seccomp.c
+++ b/tools/virtiofsd/passthrough_seccomp.c
@@ -89,6 +89,7 @@ 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),
--
2.29.2
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