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Date: Wed, 10 Jun 2020 17:25:02 -0700 From: syzbot <syzbot+bca9799bf129256190da@...kaller.appspotmail.com> To: adilger.kernel@...ger.ca, akpm@...ux-foundation.org, dan.j.williams@...el.com, jack@...e.cz, linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mm@...ck.org, syzkaller-bugs@...glegroups.com, tytso@....edu Subject: Re: BUG: unable to handle kernel NULL pointer dereference in generic_perform_write (2) Hello, syzbot has tested the proposed patch and the reproducer did not trigger crash: Reported-and-tested-by: syzbot+bca9799bf129256190da@...kaller.appspotmail.com Tested on: commit: 5749fe5a ext4: avoid race conditions when remounting with .. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git kernel config: https://syzkaller.appspot.com/x/.config?x=175fcaead7a60c3f dashboard link: https://syzkaller.appspot.com/bug?extid=bca9799bf129256190da compiler: gcc (GCC) 9.0.0 20181231 (experimental) Note: testing is done by a robot and is best-effort only.
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