Re: [syzbot] kernel BUG in __filemap_get_folio

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+cf4cf13056f85dec2c40@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         559089e0 vmalloc: replace VM_NO_HUGE_VMAP with VM_ALLO..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/
kernel config:  https://syzkaller.appspot.com/x/.config?x=dd7c9a79dfcfa205
dashboard link: https://syzkaller.appspot.com/bug?extid=cf4cf13056f85dec2c40
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
patch:          https://syzkaller.appspot.com/x/patch.diff?x=1670e278f00000

Note: testing is done by a robot and is best-effort only.