Re: UBSan: Undefined Behavior in vrefcnt

[syzbot <syzbot+b584943ad1f8ab9d4fe0%syzkaller.appspotmail.com@localhost>]

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

failed to apply patch:
can't find file to patch at input line 5
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|Index: sys/dev/raidframe/rf_disks.c
|===================================================================
|--- sys/dev/raidframe/rf_disks.c	8 Dec 2019 12:14:40 -0000	1.92
|+++ sys/dev/raidframe/rf_disks.c	6 Aug 2022 22:40:42 -0000
--------------------------
No file to patch.  Skipping patch.
1 out of 1 hunk ignored
can't find file to patch at input line 27
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|Index: sys/dev/raidframe/rf_driver.c
|===================================================================
|--- sys/dev/raidframe/rf_driver.c	23 Jul 2021 02:35:14 -0000	1.139
|+++ sys/dev/raidframe/rf_driver.c	6 Aug 2022 22:40:42 -0000
--------------------------
No file to patch.  Skipping patch.
1 out of 1 hunk ignored
can't find file to patch at input line 46
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|Index: sys/dev/raidframe/rf_strutils.c
|===================================================================
|--- sys/dev/raidframe/rf_strutils.c	13 Nov 2001 07:11:17 -0000	1.4
|+++ sys/dev/raidframe/rf_strutils.c	6 Aug 2022 22:40:42 -0000
--------------------------
No file to patch.  Skipping patch.
1 out of 1 hunk ignored
can't find file to patch at input line 71
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|Index: sys/dev/raidframe/rf_utils.h
|===================================================================
|--- sys/dev/raidframe/rf_utils.h	4 Oct 2001 15:58:56 -0000	1.5
|+++ sys/dev/raidframe/rf_utils.h	6 Aug 2022 22:40:42 -0000
--------------------------
No file to patch.  Skipping patch.
1 out of 1 hunk ignored



Tested on:

commit:         73fcda93 s/blity/bility/ in various words, mainly in c..
git tree:       https://github.com/NetBSD/src trunk
dashboard link: https://syzkaller.appspot.com/bug?extid=b584943ad1f8ab9d4fe0
compiler:       
patch:          https://syzkaller.appspot.com/x/patch.diff?x=1594613e080000

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