github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-27 09:36:22 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

isofs: handle set_blocksize failures

Browse Source 
isofs 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.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://patch.msgid.link/20260511071701.2456211-8-hch@lst.de
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
This commit is contained in:
Christoph Hellwig 2026-05-11 09:16:52 +02:00 committed by Christian Brauner
parent 0861182af5
commit 25ef4c4d9f
No known key found for this signature in database
GPG Key ID: 91C61BC06578DCA2
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
fs/isofs/inode.c
View File

@ -818,7 +818,8 @@ static int isofs_fill_super(struct super_block *s, struct fs_context *fc)
* entries. By forcing the blocksize in this way, we ensure
* that we will never be required to do this.
*/
sb_set_blocksize(s, orig_zonesize);
if (!sb_set_blocksize(s, orig_zonesize))
goto out_freesbi;
sbi->s_nls_iocharset = NULL;