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[PATCH] libvhost-user: Handling potential memory allocation failures
From: |
jianchunfu |
Subject: |
[PATCH] libvhost-user: Handling potential memory allocation failures |
Date: |
Tue, 8 Nov 2022 16:01:41 +0800 |
Add malloc check of virtqueue element in libvhost-user.
Signed-off-by: jianchunfu <jianchunfu@cmss.chinamobile.com>
---
subprojects/libvhost-user/libvhost-user.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/subprojects/libvhost-user/libvhost-user.c
b/subprojects/libvhost-user/libvhost-user.c
index 47d2efc60f..901cd7a2c0 100644
--- a/subprojects/libvhost-user/libvhost-user.c
+++ b/subprojects/libvhost-user/libvhost-user.c
@@ -2551,6 +2551,10 @@ virtqueue_alloc_element(size_t sz,
assert(sz >= sizeof(VuVirtqElement));
elem = malloc(out_sg_end);
+ if (!elem) {
+ DPRINT("%s: failed to malloc virtqelement\n", __func__);
+ exit(0);
+ }
elem->out_num = out_num;
elem->in_num = in_num;
elem->in_sg = (void *)elem + in_sg_ofs;
--
2.18.4
- [PATCH] libvhost-user: Handling potential memory allocation failures,
jianchunfu <=