From: syzbot <syzbot+a50c7541a4a55cd49b02@syzkaller.appspotmail.com>
To: aarcange@redhat.com, adilger.kernel@dilger.ca,
akpm@linux-foundation.org, aneesh.kumar@linux.vnet.ibm.com,
dave@stgolabs.net, davem@davemloft.net, hughd@google.com,
jiangshanlai@gmail.com, kirill.shutemov@linux.intel.com,
kuznet@ms2.inr.ac.ru, linux-ext4@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
mhocko@kernel.org, mike.kravetz@oracle.com,
n-horiguchi@ah.jp.nec.com, netdev@vger.kernel.org,
prakash.sangappa@oracle.com, sbrivio@redhat.com,
sd@queasysnail.net, syzkaller-bugs@googlegroups.com,
tj@kernel.org, torvalds@linux-foundation.org, tytso@mit.edu,
viro@zeniv.linux.org.uk, yoshfuji@linux-ipv6.org
Subject: Re: possible deadlock in flush_workqueue (2)
Date: Thu, 07 Nov 2019 05:42:07 -0800 [thread overview]
Message-ID: <000000000000d8b0630596c1d4a0@google.com> (raw)
In-Reply-To: <000000000000bfd4270578abe88b@google.com>
syzbot suspects this bug was fixed by commit:
commit e7c58097793ef15d58fadf190ee58738fbf447cd
Author: Mike Kravetz <mike.kravetz@oracle.com>
Date: Tue Jan 8 23:23:32 2019 +0000
hugetlbfs: revert "Use i_mmap_rwsem to fix page fault/truncate race"
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14ec0d2c600000
start commit: ca9eb48f Merge tag 'regulator-v5.0' of git://git.kernel.or..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=963b24abf3f7c2d8
dashboard link: https://syzkaller.appspot.com/bug?extid=a50c7541a4a55cd49b02
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12097f03400000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10b55ac5400000
If the result looks correct, please mark the bug fixed by replying with:
#syz fix: hugetlbfs: revert "Use i_mmap_rwsem to fix page fault/truncate
race"
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
prev parent reply other threads:[~2019-11-07 13:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-20 16:57 possible deadlock in flush_workqueue (2) syzbot
2018-10-23 9:42 ` syzbot
2018-10-23 14:28 ` Theodore Y. Ts'o
2018-10-23 19:40 ` Tejun Heo
2019-03-22 11:12 ` syzbot
2019-11-07 13:42 ` syzbot [this message]
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