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From: Jeongjun Park <aha310510@gmail.com>
To: syzbot+b165fc2e11771c66d8ba@syzkaller.appspotmail.com
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [mm?] WARNING in folio_remove_rmap_ptes
Date: Thu,  1 Jan 2026 17:33:11 +0900	[thread overview]
Message-ID: <20260101083311.838910-1-aha310510@gmail.com> (raw)
In-Reply-To: <694a2745.050a0220.19928e.0017.GAE@google.com>

#syz test upstream master

---
 mm/mremap.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mm/mremap.c b/mm/mremap.c
index 672264807db6..9d823ac8ebd3 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -1604,6 +1604,9 @@ static bool vrm_move_only(struct vma_remap_struct *vrm)
 	if (!(vrm->flags & MREMAP_FIXED))
 		return false;
 
+	if (vrm->flags & MREMAP_DONTUNMAP)
+		return false;
+
 	if (vrm->old_len != vrm->new_len)
 		return false;
 
--

  parent reply	other threads:[~2026-01-01  8:33 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-23  5:23 [syzbot] [mm?] WARNING in folio_remove_rmap_ptes syzbot
2025-12-23  8:24 ` David Hildenbrand (Red Hat)
2025-12-24  2:48   ` Hillf Danton
2025-12-23  9:42 ` Hillf Danton
2025-12-23 10:10   ` syzbot
2025-12-24  5:35 ` Harry Yoo
2025-12-30 22:02   ` David Hildenbrand (Red Hat)
2025-12-31  6:59     ` Harry Yoo
2026-01-01 13:09       ` Jeongjun Park
2026-01-01 13:45         ` Harry Yoo
2026-01-01 14:30           ` Jeongjun Park
2026-01-01 16:32             ` Lorenzo Stoakes
2026-01-01 17:06               ` David Hildenbrand (Red Hat)
2026-01-01 21:28                 ` Lorenzo Stoakes
2026-01-02  8:14                   ` Harry Yoo
2026-01-02 11:31                     ` Lorenzo Stoakes
2026-01-02 15:49                     ` Lorenzo Stoakes
2026-01-02 16:30                     ` Lorenzo Stoakes
2026-01-02 17:46                       ` Lorenzo Stoakes
2026-01-01 16:54         ` Lorenzo Stoakes
2026-01-01  8:33 ` Jeongjun Park [this message]
2026-01-01  8:53   ` syzbot
2026-01-01 17:43   ` Lorenzo Stoakes
2026-01-03  3:13 ` Jeongjun Park
2026-01-03  3:35   ` syzbot
2026-01-06 14:39 ` Jeongjun Park
2026-01-06 15:00   ` syzbot

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