syzbot suspects this bug was fixed by commit: commit 85a8ce62c2eabe28b9d76ca4eecf37922402df93 Author: Ming Lei <ming.lei@xxxxxxxxxx> Date: Fri Dec 27 23:05:48 2019 +0000 block: add bio_truncate to fix guard_bio_eod bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13ebe101e00000 start commit: bf8d1cd4 Merge tag 'scsi-fixes' of git://git.kernel.org/pu.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=ed9d672709340e35 dashboard link: https://syzkaller.appspot.com/bug?extid=44c32606d8669fb0d45c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=137e2615e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11306971e00000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: block: add bio_truncate to fix guard_bio_eod For information about bisection process see: https://goo.gl/tpsmEJ#bisection