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From: syzbot <>
Subject: Re: KASAN: null-ptr-deref Write in blk_mq_map_swqueue
Date: Thu, 26 Mar 2020 18:28:03 -0700
Message-ID: <> (raw)
In-Reply-To: <>

syzbot has bisected this bug to:

commit 768134d4f48109b90f4248feecbeeb7d684e410c
Author: Jens Axboe <>
Date:   Mon Nov 11 03:30:53 2019 +0000

    io_uring: don't do flush cancel under inflight_lock

bisection log:
start commit:   1b649e0b Merge git://
git tree:       upstream
final crash:
console output:
kernel config:
dashboard link:
syz repro:
C reproducer:

Fixes: 768134d4f481 ("io_uring: don't do flush cancel under inflight_lock")

For information about bisection process see:

       reply index

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <>
2020-03-27  1:28 ` syzbot [this message]
2020-03-27  3:00   ` Bart Van Assche
2020-03-27 15:06   ` Jens Axboe

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