Hm,, how did that "-" slip in (-TAGRET_PAGE_SIZE would be correct). This
currently makes us exceed one page in a single probe_write() call,
essentially leaving some memory unchecked.
Fixes: c5a7392cfb96 ("s390x/tcg: Provide probe_write_access helper")
Signed-off-by: David Hildenbrand <[email protected]>
---
target/s390x/mem_helper.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c
index 7819aca15d..4b43440e89 100644
--- a/target/s390x/mem_helper.c
+++ b/target/s390x/mem_helper.c
@@ -2623,7 +2623,7 @@ void probe_write_access(CPUS390XState *env, uint64_t
addr, uint64_t len,
#else
/* test the actual access, not just any access to the page due to LAP */
while (len) {
- const uint64_t pagelen = -(addr | -TARGET_PAGE_MASK);
+ const uint64_t pagelen = -(addr | TARGET_PAGE_MASK);
const uint64_t curlen = MIN(pagelen, len);
probe_write(env, addr, curlen, cpu_mmu_index(env, false), ra);
--
2.21.0
