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bcachefs: kmsan asserts

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Catching these early makes them a lot easier to track down.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2025-03-20 14:17:53 -04:00
parent 53cf2a3daa
commit 28aa859b6b
3 changed files with 5 additions and 0 deletions
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1
fs/bcachefs/btree_trans_commit.c
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@ -164,6 +164,7 @@ bool bch2_btree_bset_insert_key(struct btree_trans *trans,
EBUG_ON(bpos_gt(insert->k.p, b->data->max_key));
EBUG_ON(insert->k.u64s > bch2_btree_keys_u64s_remaining(b));
EBUG_ON(!b->c.level && !bpos_eq(insert->k.p, path->pos));
kmsan_check_memory(insert, bkey_bytes(&insert->k));
k = bch2_btree_node_iter_peek_all(node_iter, b);
if (k && bkey_cmp_left_packed(b, k, &insert->k.p))

2
fs/bcachefs/btree_update.c
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@ -512,6 +512,8 @@ static noinline int bch2_trans_update_get_key_cache(struct btree_trans *trans,
int __must_check bch2_trans_update(struct btree_trans *trans, struct btree_iter *iter,
struct bkey_i *k, enum btree_iter_update_trigger_flags flags)
{
kmsan_check_memory(k, bkey_bytes(&k->k));
btree_path_idx_t path_idx = iter->update_path ?: iter->path;
int ret;

2
fs/bcachefs/btree_update.h
View File

@ -133,6 +133,8 @@ static inline int __must_check bch2_trans_update_buffered(struct btree_trans *tr
enum btree_id btree,
struct bkey_i *k)
{
kmsan_check_memory(k, bkey_bytes(&k->k));
if (unlikely(!btree_type_uses_write_buffer(btree))) {
int ret = bch2_btree_write_buffer_insert_err(trans, btree, k);
dump_stack();