[syzbot] WARNING: CPU: NUM PID: NUM at mm/huge_memory.c:LINE split_huge_page_to_l

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syzbot

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Aug 23, 2022, 9:02:37 PM8/23/22
to ak...@linux-foundation.org, linux-...@vger.kernel.org, linu...@kvack.org, syzkall...@googlegroups.com
Hello,

syzbot found the following issue on:

HEAD commit: 680fb5b009e8 Merge tag 'arm64-upstream' into for-kernelci
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
console output: https://syzkaller.appspot.com/x/log.txt?x=13d186a5080000
kernel config: https://syzkaller.appspot.com/x/.config?x=4557ad2600fc45f4
dashboard link: https://syzkaller.appspot.com/bug?extid=2184d61af7d9d86337fc
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: arm64
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13c0bffd080000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1217ce8d080000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2184d6...@syzkaller.appspotmail.com

raw: 05ffc00000010801 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000002ffffffff 0000000000000000
page dumped because: VM_WARN_ON_ONCE_PAGE(is_hzp)
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3026 at mm/huge_memory.c:2555 split_huge_page_to_l


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Aleksandr Nogikh

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Sep 2, 2022, 8:32:31 AM9/2/22
to syzbot, Andrew Morton, LKML, linu...@kvack.org, 'Aleksandr Nogikh' via syzkaller-bugs
#syz dup: WARNING in split_huge_page_to_list (2)
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