[Virtio-fs] [PATCH 3/3] virtiofsd: check whether strdup lo.source return NULL in main func
Haotian Li
lihaotian9 at huawei.com
Wed Nov 11 01:10:38 UTC 2020
In main func, strdup lo.source may fail. So check whether strdup
lo.source return NULL before using it.
Signed-off-by: Haotian Li <lihaotian9 at huawei.com>
Signed-off-by: Zhiqiang Liu <liuzhiqiang26 at huawei.com>
---
tools/virtiofsd/passthrough_ll.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c
index 3e9bbc7a04..0c11134fb5 100644
--- a/tools/virtiofsd/passthrough_ll.c
+++ b/tools/virtiofsd/passthrough_ll.c
@@ -3525,6 +3525,10 @@ int main(int argc, char *argv[])
}
} else {
lo.source = strdup("/");
+ if (!lo.source) {
+ fuse_log(FUSE_LOG_ERR, "failed to strdup source\n");
+ goto err_out1;
+ }
}
if (lo.xattrmap) {
--
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