The branch main has been updated by markj:
URL:
https://cgit.FreeBSD.org/src/commit/?id=6f6cd1e8e8aa3a48b35598992f1b6c21003d35cd
commit 6f6cd1e8e8aa3a48b35598992f1b6c21003d35cd
Author: Mark Johnston <ma...@freebsd.org>
AuthorDate: 2021-05-23 17:20:05 +0000
Commit: Mark Johnston <ma...@freebsd.org>
CommitDate: 2021-05-23 18:13:01 +0000
ktrace: Remove vrele() at the end of ktr_writerequest()
As of commit fc369a353 we no longer ref the vnode when writing a record.
Drop the corresponding vrele() call in the error case.
Fixes: fc369a353 ("ktrace: fix a race between writes and close")
Reported by: syzbot+9b96ea7a5ff8917d3...@syzkaller.appspotmail.com
Reported by: syzbot+6120ebbb354cd52e5...@syzkaller.appspotmail.com
Reviewed by: kib
MFC after: 6 days
Differential Revision: https://reviews.freebsd.org/D30404
---
sys/kern/kern_ktrace.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/sys/kern/kern_ktrace.c b/sys/kern/kern_ktrace.c
index 3a223215a60d..9059a75f571c 100644
--- a/sys/kern/kern_ktrace.c
+++ b/sys/kern/kern_ktrace.c
@@ -1361,7 +1361,6 @@ ktr_writerequest(struct thread *td, struct ktr_request
*req)
PROC_UNLOCK(p);
ktr_io_params_free(kiop1);
ktr_io_params_free(kiop);
- vrele(vp);
}
/*
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