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Mon, 02 Mar 2026 19:01:27 -0800 (PST) From: Qing Wang To: syzbot+6e4cb1cac5efc96ea0ca@syzkaller.appspotmail.com Cc: chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [f2fs?] general protection fault in f2fs_in_warm_node_list Date: Tue, 3 Mar 2026 11:01:21 +0800 Message-Id: <20260303030121.3626665-1-wangqing7171@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <699a2e3f.050a0220.340abe.0d2a.GAE@google.com> References: <699a2e3f.050a0220.340abe.0d2a.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 diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 338df7a2aea6..e2b751944c1d 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -397,7 +397,7 @@ static void f2fs_write_end_io(struct bio *bio) wq_has_sleeper(&sbi->cp_wait)) wake_up(&sbi->cp_wait); - if (f2fs_in_warm_node_list(sbi, folio)) + if (sbi->node_inode && f2fs_in_warm_node_list(sbi, folio)) f2fs_del_fsync_node_entry(sbi, folio); folio_clear_f2fs_gcing(folio); folio_end_writeback(folio);