[Virtio-fs] [PATCH v2 5/5] virtiofsd: Skip setup_capabilities() in sandbox=NONE mode
Vivek Goyal
vgoyal at redhat.com
Thu Jul 30 19:47:36 UTC 2020
setup_capabilites() tries to give some of the required capabilities
to act as a full fledged file server in priviliged mode. In unpriviliged
mode we can't get those capabilities and setup_capabilities() will fail.
So don't setup capabilities when sandbox=NONE.
Signed-off-by: Vivek Goyal <vgoyal at redhat.com>
---
tools/virtiofsd/passthrough_ll.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c
index a6fa816b6c..1a0b24cbf2 100644
--- a/tools/virtiofsd/passthrough_ll.c
+++ b/tools/virtiofsd/passthrough_ll.c
@@ -3030,7 +3030,8 @@ static void setup_sandbox(struct lo_data *lo, struct fuse_session *se,
}
setup_seccomp(enable_syslog);
- setup_capabilities(g_strdup(lo->modcaps));
+ if (lo->sandbox != SANDBOX_NONE)
+ setup_capabilities(g_strdup(lo->modcaps));
}
/* Set the maximum number of open file descriptors */
--
2.25.4
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