In the Linux kernel, the following vulnerability has been resolved:
omfs: handle set_blocksize failures
omfs uses buffer_heads, which don't handle block size > PAGE_SIZE well.
Without this, mounting we will hit the
BUG_ON(offset >= folio_size(folio));
in folio_set_bh on the first __bread_gfp call.
References 3
https://git.kernel.org/stable/c/18c3d6fcb557f920c9143711497625e70153874c
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/61ffc31cd8642d7a950b6831720629c8331365f6
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/fd4d6593c51253c79be422d6ae42e318250e20a7
416baaa9-dc9f-4396-8d5f-8c081fb06d67