The quilt patch titled Subject: maple_tree: should get pivots boundary by type has been removed from the -mm tree. Its filename was maple_tree-should-get-pivots-boundary-by-type.patch This patch was dropped because it was merged into the mm-hotfixes-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Wei Yang <richard.weiyang@xxxxxxxxx> Subject: maple_tree: should get pivots boundary by type Date: Sat, 12 Nov 2022 23:43:08 +0000 We should get pivots boundary by type. Fixes a potential overindexing of mt_pivots[]. Link: https://lkml.kernel.org/r/20221112234308.23823-1-richard.weiyang@xxxxxxxxx Fixes: 54a611b60590 ("Maple Tree: add new data structure") Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx> Reviewed-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- lib/maple_tree.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) --- a/lib/maple_tree.c~maple_tree-should-get-pivots-boundary-by-type +++ a/lib/maple_tree.c @@ -670,12 +670,13 @@ static inline unsigned long mte_pivot(co unsigned char piv) { struct maple_node *node = mte_to_node(mn); + enum maple_type type = mte_node_type(mn); - if (piv >= mt_pivots[piv]) { + if (piv >= mt_pivots[type]) { WARN_ON(1); return 0; } - switch (mte_node_type(mn)) { + switch (type) { case maple_arange_64: return node->ma64.pivot[piv]; case maple_range_64: _ Patches currently in -mm which might be from richard.weiyang@xxxxxxxxx are