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([121.185.186.233]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7ff7af2b537sm36919564b3a.20.2026.01.01.00.33.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Jan 2026 00:33:14 -0800 (PST) From: Jeongjun Park 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 Message-Id: <20260101083311.838910-1-aha310510@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <694a2745.050a0220.19928e.0017.GAE@google.com> References: <694a2745.050a0220.19928e.0017.GAE@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit #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; --