syzbot has bisected this issue to:
commit 3a77b282e256d880791a4c5aa10ede13d6417425
Author: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Date: Wed Aug 16 15:11:58 2023 +0000
mm: free up a word in the first tail page
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13297387a80000
start commit: 7271b2a53042 Add linux-next specific files for 20230818
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=10a97387a80000
console output: https://syzkaller.appspot.com/x/log.txt?x=17297387a80000
kernel config: https://syzkaller.appspot.com/x/.config?x=1936af09cdef7dd6
dashboard link: https://syzkaller.appspot.com/bug?extid=7423f066b632d9ff23d5
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=112386f3a80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15044717a80000
Reported-by: syzbot+7423f066b632d9ff23d5@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 3a77b282e256 ("mm: free up a word in the first tail page")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
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