git: 961e6a12efdb - main - bhyve/snapshot: limit snapshot filename to NAME_MAX
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Date: Fri, 18 Mar 2022 05:53:28 UTC
The branch main has been updated by rew:
URL: https://cgit.FreeBSD.org/src/commit/?id=961e6a12efdbd48d92516beaf0772ff50008457d
commit 961e6a12efdbd48d92516beaf0772ff50008457d
Author: Robert Wing <rew@FreeBSD.org>
AuthorDate: 2022-03-18 05:51:31 +0000
Commit: Robert Wing <rew@FreeBSD.org>
CommitDate: 2022-03-18 05:51:31 +0000
bhyve/snapshot: limit snapshot filename to NAME_MAX
NAME_MAX is a better fit since strcat_extension() constructs the
filename of the snapshot file.
Reviewed by: markj
Differential Revision: https://reviews.freebsd.org/D34291
---
usr.sbin/bhyve/snapshot.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/usr.sbin/bhyve/snapshot.c b/usr.sbin/bhyve/snapshot.c
index 13154c68c3e7..585fc2bc6f47 100644
--- a/usr.sbin/bhyve/snapshot.c
+++ b/usr.sbin/bhyve/snapshot.c
@@ -181,10 +181,10 @@ strcat_extension(const char *base_str, const char *ext)
char *res;
size_t base_len, ext_len;
- base_len = strnlen(base_str, MAX_VMNAME);
- ext_len = strnlen(ext, MAX_VMNAME);
+ base_len = strnlen(base_str, NAME_MAX);
+ ext_len = strnlen(ext, NAME_MAX);
- if (base_len + ext_len > MAX_VMNAME) {
+ if (base_len + ext_len > NAME_MAX) {
fprintf(stderr, "Filename exceeds maximum length.\n");
return (NULL);
}