linux-kernel - Re: possible deadlock in shmem

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Message-ID: <0000000000005609bd05800d09e9@google.com>
Date:   Tue, 22 Jan 2019 06:46:03 -0800
From:   syzbot <syzbot+4b8b031b89e6b96c4b2e@...kaller.appspotmail.com>
To:     arve@...roid.com, dvyukov@...gle.com, hughd@...gle.com,
        joelaf@...gle.com, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, penguin-kernel@...ove.sakura.ne.jp,
        syzkaller-bugs@...glegroups.com, tkjos@...gle.com,
        willy@...radead.org, xieyisheng1@...wei.com
Subject: Re: possible deadlock in shmem_fallocate (2)

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger  
crash:

Reported-and-tested-by:  
syzbot+4b8b031b89e6b96c4b2e@...kaller.appspotmail.com

Tested on:

commit:         48b161983ae5 Merge tag 'xarray-5.0-rc3' of git://git.infra..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=864ab9949c515a07
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
patch:          https://syzkaller.appspot.com/x/patch.diff?x=1064a9a0c00000

Note: testing is done by a robot and is best-effort only.