In the Linux kernel, the following vulnerability has been resolved:
qnx4: handle set_blocksize failures
qnx4 uses buffer_heads, which don't handle block size > PAGE_SIZE well.
Without this, mounting 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/60f7ccf669882262330171eda51a4f52fa2e69c9
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/aac97a4b3f47c36a47f934aa679407b718b67537
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c7d911ea1cc9a63b07e52f5e75b263be0615b289
416baaa9-dc9f-4396-8d5f-8c081fb06d67