virtiofsd: Add restart_syscall to the seccomp whitelist

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 <[email protected]> Message-Id: <[email protected]> Reviewed-by: Dr. David Alan Gilbert <[email protected]> Reviewed-by: Stefan Hajnoczi <[email protected]> Signed-off-by: Dr. David Alan Gilbert <[email protected]>
zhugh2333 · Feb 4, 2021 · cf269ff · cf269ff
1 parent 62124e5
commit cf269ff
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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),