* [PATCH] ia64: beyond ARRAY_SIZE of unw.hash
@ 2009-02-22 1:33 Roel Kluin
0 siblings, 0 replies; only message in thread
From: Roel Kluin @ 2009-02-22 1:33 UTC (permalink / raw)
To: linux-ia64
static struct {
... :114
unsigned short hash[UNW_HASH_SIZE];
... :147
} unw = {
... :228
.hash = { [0 ... UNW_HASH_SIZE - 1] = -1 },
...
};
This is a bug, isn't it?
--------------------------->8-------------8<------------------------------
Do not go beyond ARRAY_SIZE of unw.hash
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
diff --git a/arch/ia64/kernel/unwind.c b/arch/ia64/kernel/unwind.c
index 67810b7..b6c0e63 100644
--- a/arch/ia64/kernel/unwind.c
+++ b/arch/ia64/kernel/unwind.c
@@ -2149,7 +2149,7 @@ unw_remove_unwind_table (void *handle)
/* next, remove hash table entries for this table */
- for (index = 0; index <= UNW_HASH_SIZE; ++index) {
+ for (index = 0; index < UNW_HASH_SIZE; ++index) {
tmp = unw.cache + unw.hash[index];
if (unw.hash[index] >= UNW_CACHE_SIZE
|| tmp->ip < table->start || tmp->ip >= table->end)
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2009-02-22 1:33 [PATCH] ia64: beyond ARRAY_SIZE of unw.hash Roel Kluin
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