linux-kernel - Re: Null-ptr-deref due to "sanitized pathwalk machinery (v4)"

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Message-ID: <20200325140508.GN23230@ZenIV.linux.org.uk>
Date:   Wed, 25 Mar 2020 14:05:08 +0000
From:   Al Viro <viro@...iv.linux.org.uk>
To:     Qian Cai <cai@....pw>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-fsdevel@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: Null-ptr-deref due to "sanitized pathwalk machinery (v4)"

On Wed, Mar 25, 2020 at 02:02:07PM +0000, Al Viro wrote:
> > +		if (unlikely(error))
> > +			return ERR_PTR(error);
			return error;
that is