git: a67749ac451e - stable/13 - vfs: Initialize "lastfail" in vfs_mountroot_wait()

[Mark Johnston]

The branch stable/13 has been updated by markj:

URL: https://cgit.FreeBSD.org/src/commit/?id=a67749ac451e1ca22bde3c2a63db9ec0e962aa21

commit a67749ac451e1ca22bde3c2a63db9ec0e962aa21
Author:     Mark Johnston <markj at FreeBSD.org>
AuthorDate: 2021-07-23 16:04:02 +0000
Commit:     Mark Johnston <markj at FreeBSD.org>
CommitDate: 2021-07-30 00:32:58 +0000

    vfs: Initialize "lastfail" in vfs_mountroot_wait()
    
    This variable is only used to rate-limit "Root mount waiting for: ..."
    messages using ppsratecheck().
    
    Reported by:    KMSAN
    Sponsored by:   The FreeBSD Foundation
    
    (cherry picked from commit 048cd371f3d793fa354f1d3a1d484bc2725a3fc1)
---
 sys/kern/vfs_mountroot.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/kern/vfs_mountroot.c b/sys/kern/vfs_mountroot.c
index 3b968fd19bbd..a34ae3fe06e3 100644
--- a/sys/kern/vfs_mountroot.c
+++ b/sys/kern/vfs_mountroot.c
@@ -982,6 +982,7 @@ vfs_mountroot_wait(void)
 	TSENTER();
 
 	curfail = 0;
+	lastfail.tv_sec = 0;
 	while (1) {
 		g_waitidle();
 		mtx_lock(&root_holds_mtx);