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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-11-25 02:05:02 -0500 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-12-21 01:36:20 -0500 |
| commit | dba8243f3b466dd39ef05ff63890d5acab30c852 (patch) | |
| tree | b377cc82f3a6ac12cd36489bf7f57c62d6cc36a9 /fs/bcachefs/btree_node_scan.c | |
| parent | bcachefs: Fix dup/misordered check in btree node read (diff) | |
| download | linux-dba8243f3b466dd39ef05ff63890d5acab30c852.tar.gz linux-dba8243f3b466dd39ef05ff63890d5acab30c852.zip | |
bcachefs: Don't try to en/decrypt when encryption not available
If a btree node says it's encrypted, but the superblock never had an
encryptino key - whoops, that needs to be handled.
Reported-by: syzbot+026f1857b12f5eb3f9e9@syzkaller.appspotmail.com
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/btree_node_scan.c')
| -rw-r--r-- | fs/bcachefs/btree_node_scan.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/bcachefs/btree_node_scan.c b/fs/bcachefs/btree_node_scan.c index 4b4df31d4b95..327f1a1859b9 100644 --- a/fs/bcachefs/btree_node_scan.c +++ b/fs/bcachefs/btree_node_scan.c @@ -159,6 +159,9 @@ static void try_read_btree_node(struct find_btree_nodes *f, struct bch_dev *ca, return; if (bch2_csum_type_is_encryption(BSET_CSUM_TYPE(&bn->keys))) { + if (!c->chacha20) + return; + struct nonce nonce = btree_nonce(&bn->keys, 0); unsigned bytes = (void *) &bn->keys - (void *) &bn->flags; |