diff options
| author | Kees Cook <keescook@chromium.org> | 2024-02-16 10:17:23 -0800 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2024-02-20 21:23:24 -0800 |
| commit | 0022c7f08e85bc4c9f0d56926893ce787129221b (patch) | |
| tree | ea2c408e79fe2fe9253c9ef9e2374d192d1389dd | |
| parent | db6f545ffb1c0fe635e849d8dda063c0c15cd7fe (diff) | |
| download | linux-dev/v6.8-rc2/signed-trunc-sanitizer.tar.gz | |
[WIP] maple_tree: Avoid while (var--) patterndev/v6.8-rc2/signed-trunc-sanitizer
Avoid a sanitizer splat when reaching 0 during "while (var--)"
Signed-off-by: Kees Cook <keescook@chromium.org>
---
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: "Liam R. Howlett" <Liam.Howlett@oracle.com>
Cc: maple-tree@lists.infradead.org
Cc: linux-mm@kvack.org
| -rw-r--r-- | lib/maple_tree.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/maple_tree.c b/lib/maple_tree.c index 6f241bb3879920..940e6c1654a992 100644 --- a/lib/maple_tree.c +++ b/lib/maple_tree.c @@ -1554,7 +1554,7 @@ static inline unsigned long ma_max_gap(struct maple_node *node, unsigned long *gaps, enum maple_type mt, unsigned char *off) { - unsigned char offset, i; + unsigned short offset, i; unsigned long max_gap = 0; i = offset = ma_meta_end(node, mt); @@ -1689,7 +1689,7 @@ static inline void mas_adopt_children(struct ma_state *mas, void __rcu **slots = ma_slots(node, type); unsigned long *pivots = ma_pivots(node, type); struct maple_enode *child; - unsigned char offset; + short offset; offset = ma_data_end(node, type, pivots, mas->max); do { |