linux-kernel - Re: [syzbot] [kernel?] WARNING in get_pat

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Message-ID: <6862ee2e.a70a0220.2f4de1.002d.GAE@google.com>
Date: Mon, 30 Jun 2025 13:06:06 -0700
From: syzbot <syzbot+16b1da89309a06cd0e3a@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, bhelgaas@...gle.com, bp@...en8.de, 
	dave.hansen@...ux.intel.com, david@...hat.com, guohui.study@...il.com, 
	hpa@...or.com, jannh@...gle.com, kirill.shutemov@...ux.intel.com, 
	liam.howlett@...cle.com, linux-kernel@...r.kernel.org, linux-mm@...ck.org, 
	lorenzo.stoakes@...cle.com, luto@...nel.org, mingo@...hat.com, 
	peterz@...radead.org, seanjc@...gle.com, syzkaller-bugs@...glegroups.com, 
	tglx@...utronix.de, torvalds@...ux-foundation.org, x86@...nel.org
Subject: Re: [syzbot] [kernel?] WARNING in get_pat_info

syzbot suspects this issue was fixed by commit:

commit f8e97613fed25758ddf52159b87e1c66e619a23a
Author: David Hildenbrand <david@...hat.com>
Date:   Mon May 12 12:34:17 2025 +0000

    mm: convert VM_PFNMAP tracking to pfnmap_track() + pfnmap_untrack()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12f1448c580000
start commit:   fac04efc5c79 Linux 6.13-rc2
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=fee25f93665c89ac
dashboard link: https://syzkaller.appspot.com/bug?extid=16b1da89309a06cd0e3a
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13e2ab30580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11d113e8580000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: mm: convert VM_PFNMAP tracking to pfnmap_track() + pfnmap_untrack()

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