Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+bbb353775d51424087f2@xxxxxxxxxxxxxxxxxxxxxxxxx Tested on: commit: ae0bac79 erofs: avoid pcpubuf.c inclusion if CONFIG_ER.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git fixes console output: https://syzkaller.appspot.com/x/log.txt?x=16793226280000 kernel config: https://syzkaller.appspot.com/x/.config?x=6beb6ffe4f59ef2a dashboard link: https://syzkaller.appspot.com/bug?extid=bbb353775d51424087f2 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.