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From: syzbot <syzbot+a6456f6334aa19425886@syzkaller.appspotmail.com>
To: akpm@linux-foundation.org, ebpqwerty472123@gmail.com,
	hughd@google.com,  linux-kernel@vger.kernel.org,
	linux-mm@kvack.org, paul@paul-moore.com,
	 stephen.smalley.work@gmail.com, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [mm?] possible deadlock in upgrade_mmap_lock_carefully
Date: Tue, 01 Oct 2024 21:48:02 -0700	[thread overview]
Message-ID: <66fcd082.050a0220.f28ec.04f1.GAE@google.com> (raw)
In-Reply-To: <66f8846e.050a0220.aab67.000b.GAE@google.com>

syzbot has bisected this issue to:

commit ea7e2d5e49c05e5db1922387b09ca74aa40f46e2
Author: Shu Han <ebpqwerty472123@gmail.com>
Date:   Tue Sep 17 09:41:04 2024 +0000

    mm: call the security_mmap_file() LSM hook in remap_file_pages()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1530539f980000
start commit:   e32cde8d2bd7 Merge tag 'sched_ext-for-6.12-rc1-fixes-1' of..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1730539f980000
console output: https://syzkaller.appspot.com/x/log.txt?x=1330539f980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=286b31f2cf1c36b5
dashboard link: https://syzkaller.appspot.com/bug?extid=a6456f6334aa19425886
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=154e8927980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1244bdd0580000

Reported-by: syzbot+a6456f6334aa19425886@syzkaller.appspotmail.com
Fixes: ea7e2d5e49c0 ("mm: call the security_mmap_file() LSM hook in remap_file_pages()")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection


  parent reply	other threads:[~2024-10-02  4:48 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-28 22:34 [syzbot] [mm?] possible deadlock in upgrade_mmap_lock_carefully syzbot
2024-10-01 18:46 ` syzbot
2024-10-02  4:48 ` syzbot [this message]
2024-10-02 12:14   ` Shu Han
2024-10-03  1:32     ` Paul Moore
2024-10-03  1:32       ` syzbot
2024-10-03  2:52         ` Paul Moore

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