git: 5098a5b48357 - stable/14 - md: Use a larger buffer for the ident string

From: Mark Johnston <markj_at_FreeBSD.org>
Date: Wed, 09 Jul 2025 00:44:40 UTC
The branch stable/14 has been updated by markj:

URL: https://cgit.FreeBSD.org/src/commit/?id=5098a5b48357d4d51ad8369330d292e6bbd7490e

commit 5098a5b48357d4d51ad8369330d292e6bbd7490e
Author:     Mark Johnston <markj@FreeBSD.org>
AuthorDate: 2025-06-25 21:12:33 +0000
Commit:     Mark Johnston <markj@FreeBSD.org>
CommitDate: 2025-07-09 00:44:18 +0000

    md: Use a larger buffer for the ident string
    
    With the old size, the string could easily be truncated, resulting in
    non-unique identifiers.
    
    PR:             287679
    Reported by:    Phil Krylov <phil@krylov.eu>
    Reviewed by:    kib
    MFC after:      2 weeks
    
    (cherry picked from commit 5286b96c56ff5aa3c1cee824ab8564f0ffffc381)
---
 sys/dev/md/md.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/dev/md/md.c b/sys/dev/md/md.c
index 95926706443b..1b434eda19a5 100644
--- a/sys/dev/md/md.c
+++ b/sys/dev/md/md.c
@@ -258,7 +258,7 @@ struct md_s {
 	unsigned opencount;
 	unsigned fwheads;
 	unsigned fwsectors;
-	char ident[32];
+	char ident[DISK_IDENT_SIZE];
 	unsigned flags;
 	char name[20];
 	struct proc *procp;