Commit b2303d7bf76d36a5176c793df628d302be29ab82
Committed by
Kees Cook
Kees Cook
1 parent
c817e6ccb2
Convert vhost to struct_size
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com> Signed-off-by: Kees Cook <keescook@chromium.org>
Showing 1 changed file with 2 additions and 1 deletions Side-by-side Diff
drivers/vhost/vhost.c
| ... | ... | @@ -1286,7 +1286,8 @@ |
| 1286 | 1286 | return -EOPNOTSUPP; |
| 1287 | 1287 | if (mem.nregions > max_mem_regions) |
| 1288 | 1288 | return -E2BIG; |
| 1289 | - newmem = kvzalloc(size + mem.nregions * sizeof(*m->regions), GFP_KERNEL); | |
| 1289 | + newmem = kvzalloc(struct_size(newmem, regions, mem.nregions), | |
| 1290 | + GFP_KERNEL); | |
| 1290 | 1291 | if (!newmem) |
| 1291 | 1292 | return -ENOMEM; |
| 1292 | 1293 |