From: Vivek Goyal <vgoyal@redhat.com>
To: qemu-devel@nongnu.org
Cc: berrange@redhat.com, vromanso@redhat.com, dwalsh@redhat.com,
dgilbert@redhat.com, virtio-fs@redhat.com, stefanha@redhat.com,
vgoyal@redhat.com
Subject: [PATCH v2 5/5] virtiofsd: Skip setup_capabilities() in sandbox=NONE mode
Date: Thu, 30 Jul 2020 15:47:36 -0400 [thread overview]
Message-ID: <20200730194736.173994-6-vgoyal@redhat.com> (raw)
In-Reply-To: <20200730194736.173994-1-vgoyal@redhat.com>
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@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
next prev parent reply other threads:[~2020-07-30 19:50 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-30 19:47 [PATCH v2 0/5] virtiofsd: Add a unprivileged passthrough mode Vivek Goyal
2020-07-30 19:47 ` [PATCH v2 1/5] virtiofsd: Add notion of unprivileged mode Vivek Goyal
2020-08-07 16:33 ` Dr. David Alan Gilbert
2020-07-30 19:47 ` [PATCH v2 2/5] virtiofsd: create lock/pid file in per user cache dir Vivek Goyal
2020-08-07 17:34 ` Dr. David Alan Gilbert
2020-07-30 19:47 ` [PATCH v2 3/5] virtiofsd: open /proc/self/fd/ in sandbox=NONE mode Vivek Goyal
2020-08-07 17:42 ` Dr. David Alan Gilbert
2020-07-30 19:47 ` [PATCH v2 4/5] virtiofsd: Open lo->source while setting up root " Vivek Goyal
2020-08-03 9:54 ` Stefan Hajnoczi
2020-08-03 13:57 ` Vivek Goyal
2020-08-04 10:36 ` Stefan Hajnoczi
2020-07-30 19:47 ` Vivek Goyal [this message]
2020-08-07 17:58 ` [PATCH v2 5/5] virtiofsd: Skip setup_capabilities() " Dr. David Alan Gilbert
2020-08-03 9:45 ` [PATCH v2 0/5] virtiofsd: Add a unprivileged passthrough mode Stefan Hajnoczi
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