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:

sys/dev/raidframe/rf_disks.c:128:31: error: format '%p' expects argument of type 'void *', but argument 4 has type 'RF_RowCol_t' {aka 'int'} [-Werror=format=]
sys/dev/raidframe/rf_disks.c:128:8: error: too many arguments for format [-Werror=format-extra-args]
sys/dev/raidframe/rf_netbsdkintf.c:1269:51: error: 'numCol' undeclared (first use in this function)
sys/dev/raidframe/rf_netbsdkintf.c:1274:53: error: 'numSpare' undeclared (first use in this function)
ERROR: Failed to make all in "sys/arch/amd64/compile/obj/GENERIC_SYZKALLER"


Tested on:

commit:         0caacf7b aarch64: Implement __aarch64_casN_sync.
git tree:       https://github.com/NetBSD/src trunk
dashboard link: https://syzkaller.appspot.com/bug?extid=b584943ad1f8ab9d4fe0
compiler:       g++ (Debian 10.2.1-6) 10.2.1 20210110
patch:          https://syzkaller.appspot.com/x/patch.diff?x=169877f2080000

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