hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

two overrun bug in ev.c & easy_mem_slab.c

Browse Source
This commit is contained in:
xy0
2022-03-21 16:22:15 +08:00
committed by LINxiansheng
parent 0dfdfca191
commit 94d730d951
2 changed files with 5 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
deps/easy/src/io/ev.c vendored
View File

@ -1274,8 +1274,8 @@ EV_CPP(extern "C" {
#endif
WL head;
} ANSIG;
static ANSIG signals [EV_NSIG - 1];
//whitescan for safety hole check
static ANSIG signals [EV_NSIG];
/*****************************************************************************/

5
deps/easy/src/memory/easy_mem_slab.c vendored
View File

@ -278,8 +278,9 @@ static void* easy_mem_cache_grow(easy_mem_cache_t* cache)
for (i = 0; i < cache->num; i++) {
slab->next_pos[i] = i + 1;
}
slab->next_pos[i - 1] = EASY_MEM_POS_END;
// for static safty hole check, i is uint32_t
// when i-1,i=0->0-1=unsigned(-1),convert -1 to unsigned as result may overflow
if(i>0) slab->next_pos[i - 1] = EASY_MEM_POS_END;
cache->free_objects += cache->num;
obj = easy_mem_slab_get_obj(cache, slab);