On Fri, 11 Jul 2025 18:32:03 +0200, Jan Kara wrote: > Syzbot came up with a reproducer where a loop device block size is > changed underneath a mounted filesystem. This causes a mismatch between > the block device block size and the block size stored in the superblock > causing confusion in various places such as fs/buffer.c. The particular > issue triggered by syzbot was a warning in __getblk_slow() due to > requested buffer size not matching block device block size. > > [...] Applied, thanks! [1/1] loop: Avoid updating block size under exclusive owner commit: 7e49538288e523427beedd26993d446afef1a6fb Best regards, -- Jens Axboe