linux-kernel - Re: KASAN: null-ptr-deref Write in blk_mq_map

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Message-ID: <b30f9b35-1504-a8f6-91cd-828e56c59eef@acm.org>
Date:   Wed, 24 Jun 2020 21:05:52 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     syzbot <syzbot+313d95e8a7a49263f88d@...kaller.appspotmail.com>,
        a@...table.cc, axboe@...nel.dk, b.a.t.m.a.n@...ts.open-mesh.org,
        davem@...emloft.net, dongli.zhang@...cle.com, hdanton@...a.com,
        jianchao.w.wang@...cle.com, linux-block@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        mareklindner@...mailbox.ch, netdev@...r.kernel.org,
        sven@...fation.org, sw@...onwunderlich.de,
        syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk
Subject: Re: KASAN: null-ptr-deref Write in blk_mq_map_swqueue

On 2020-06-24 20:01, syzbot wrote:
> This bug is marked as fixed by commit:
> blk-mq: Fix a recently introduced regression in
> But I can't find it in any tested tree for more than 90 days.
> Is it a correct commit? Please update it by replying:
> #syz fix: exact-commit-title
> Until then the bug is still considered open and
> new crashes with the same signature are ignored.

#syz fix: blk-mq: Fix a recently introduced regression in blk_mq_realloc_hw_ctxs()