[syzbot] BUG: Bad rss-counter state (6)

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Feb 7, 2026, 7:32:34 PM (7 hours ago) Feb 7
to linux-...@vger.kernel.org, syzkall...@googlegroups.com
Hello,

syzbot found the following issue on:

HEAD commit: e84d960149e7 Merge tag 'for-6.19-rc5-tag' of git://git.ker..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=145c3b9a580000
kernel config: https://syzkaller.appspot.com/x/.config?x=1859476832863c41
dashboard link: https://syzkaller.appspot.com/bug?extid=5981772e2b70777a3b01
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-e84d9601.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/da873e352c9a/vmlinux-e84d9601.xz
kernel image: https://storage.googleapis.com/syzbot-assets/ee84236e98b6/bzImage-e84d9601.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+598177...@syzkaller.appspotmail.com

BUG: Bad rss-counter state mm:ffff88801b484980 type:MM_FILEPAGES val:1 Comm:syz-executor Pid:32615
BUG: Bad rss-counter state mm:ffff88801b484980 type:MM_SWAPENTS val:148 Comm:syz-executor Pid:32615


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