From bbfd810c3bfbeeffeb197d228d4e9e52e0d214b3 Mon Sep 17 00:00:00 2001
From: Alyssa Ross <hi@alyssa.is>
Date: Mon, 19 Jun 2023 12:37:24 +0000
Subject: [PATCH] vmm: allow restart_syscall() in PTY process

This can be triggered by debugging cloud-hypervisor using gdb, or
probably if the process is suspended and restarted.

Fixes: https://github.com/cloud-hypervisor/cloud-hypervisor/issues/5489
Signed-off-by: Alyssa Ross <hi@alyssa.is>
---
 vmm/src/seccomp_filters.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/vmm/src/seccomp_filters.rs b/vmm/src/seccomp_filters.rs
index ac41fc3eb..894913bdd 100644
--- a/vmm/src/seccomp_filters.rs
+++ b/vmm/src/seccomp_filters.rs
@@ -484,6 +484,7 @@ fn pty_foreground_thread_rules() -> Result<Vec<(i64, Vec<SeccompRule>)>, Backend
         #[cfg(target_arch = "aarch64")]
         (libc::SYS_ppoll, vec![]),
         (libc::SYS_read, vec![]),
+        (libc::SYS_restart_syscall, vec![]),
         (libc::SYS_rt_sigaction, vec![]),
         (libc::SYS_rt_sigreturn, vec![]),
         (libc::SYS_setsid, vec![]),