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bcachefs: Check for key size > offset

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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Kent Overstreet 2019-06-29 18:03:40 -04:00 committed by Kent Overstreet
parent 91052b9de8
commit e812cf38c5
1 changed files with 3 additions and 0 deletions
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3
fs/bcachefs/bkey_methods.c
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@ -90,6 +90,9 @@ const char *__bch2_bkey_invalid(struct bch_fs *c, struct bkey_s_c k,
if (btree_node_type_is_extents(type)) {
if ((k.k->size == 0) != bkey_deleted(k.k))
return "bad size field";
if (k.k->size > k.k->p.offset)
return "size greater than offset";
} else {
if (k.k->size)
return "nonzero size field";