virtiofsd: Add `sigreturn` to the seccomp whitelist
The virtiofsd currently crashes on s390x. This is because of a `sigreturn` system call. See audit log below: type=SECCOMP msg=audit(1669382477.611:459): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:virtd_t:s0-s0:c0.c1023 pid=6649 comm="virtiofsd" exe="/usr/libexec/virtiofsd" sig=31 arch=80000016 syscall=119 compat=0 ip=0x3fff15f748a code=0x80000000AUID="unset" UID="root" GID="root" ARCH=s390x SYSCALL=sigreturn Signed-off-by: NMarc Hartmayer <mhartmay@linux.ibm.com> Reviewed-by: NGerman Maglione <gmaglione@redhat.com> Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com> Message-Id: <20221125143946.27717-1-mhartmay@linux.ibm.com>
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