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charset="UTF-8" X-Rspamd-Queue-Id: 3AEB440005 X-Stat-Signature: 1sm3xqmdhc1m1hc6cst5f4snr9ysjmdm X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1676451186-751204 X-HE-Meta: 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 cjIQZ5ED 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, 15 Feb 2023 at 07:02, Yu Zhao wrote: > > On Tue, 14 Feb 2023 00:14:42 -0800 > > > syzbot has found a reproducer for the following issue on: > > > > > > HEAD commit: f6feea56f66d Merge tag 'mm-hotfixes-stable-2023-02-13-13-5.. > > > git tree: upstream > > > console+strace: https://syzkaller.appspot.com/x/log.txt?x=165ee62b480000 > > > kernel config: https://syzkaller.appspot.com/x/.config?x=42ba4da8e1e6af9f > > > dashboard link: https://syzkaller.appspot.com/bug?extid=f0c4082ce5ebebdac63b > > > compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 > > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14ba7207480000 > > > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15fd30d0c80000 > > > > > > Downloadable assets: > > > disk image: https://storage.googleapis.com/syzbot-assets/1ae0143f08d5/disk-f6feea56.raw.xz > > > vmlinux: https://storage.googleapis.com/syzbot-assets/18b8a23fa0cb/vmlinux-f6feea56.xz > > > kernel image: https://storage.googleapis.com/syzbot-assets/d915f4c5c8c0/bzImage-f6feea56.xz > > > mounted in repro: https://storage.googleapis.com/syzbot-assets/1acd3b288433/mount_0.gz > > > > > > > folio_mark_accessed+0x51c/0xf00 mm/swap.c:515 > > > > Syzbot was launched without MGLRU enabled [1]. > > Dmitry could you turn it on by default? > > Thanks for the heads up! > > (I should have followed up with Dmitry earlier... doing it now.) Here is configs change (speak up if you don't agree with something): https://github.com/google/syzkaller/pull/3683/commits/e3c95b410e328b52fef013a8071e47c6c278b1ed