diff options
| author | Christoph Hellwig <hch@lst.de> | 2026-05-11 10:16:50 +0300 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2026-05-21 14:39:35 +0300 |
| commit | 7597d42a25332617a3dfe596758d780ec6c028d7 (patch) | |
| tree | a269a990216cca394e74275bf36603e9d222dfac | |
| parent | 05107f5602751fcfd3d108c1f579eb45aabead52 (diff) | |
| download | linux-7597d42a25332617a3dfe596758d780ec6c028d7.tar.xz | |
befs: handle set_blocksize failures
befs 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/20260511071701.2456211-6-hch@lst.de
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
| -rw-r--r-- | fs/befs/linuxvfs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c index c12caae9a967..ee0cbae521b9 100644 --- a/fs/befs/linuxvfs.c +++ b/fs/befs/linuxvfs.c @@ -860,7 +860,8 @@ befs_fill_super(struct super_block *sb, struct fs_context *fc) */ sb->s_magic = BEFS_SUPER_MAGIC; /* Set real blocksize of fs */ - sb_set_blocksize(sb, (ulong) befs_sb->block_size); + if (!sb_set_blocksize(sb, (ulong) befs_sb->block_size)) + goto unacquire_priv_sbp; sb->s_op = &befs_sops; sb->s_export_op = &befs_export_operations; sb->s_time_min = 0; |