diff options
| author | Hans Rosenfeld <hans.rosenfeld@joyent.com> | 2018-07-05 15:42:17 +0000 |
|---|---|---|
| committer | Hans Rosenfeld <hans.rosenfeld@joyent.com> | 2018-07-05 17:59:24 +0200 |
| commit | eebde15ca4eb2442e9bbce950bbf9782b60ec1a5 (patch) | |
| tree | 69897570d698177e262d8897512368f0850e55fd | |
| parent | 17296045b06634567568b1654a46c22c764d76e9 (diff) | |
| download | illumos-joyent-eebde15ca4eb2442e9bbce950bbf9782b60ec1a5.tar.gz | |
OS-7062 bhyve: return EINVAL for allocations > max_page_get
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Reviewed by: Patrick Mooney <patrick.mooney@joyent.com>
Approved by: Jerry Jelinek <jerry.jelinek@joyent.com>
| -rw-r--r-- | usr/src/uts/i86pc/io/vmm/vmm.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/usr/src/uts/i86pc/io/vmm/vmm.c b/usr/src/uts/i86pc/io/vmm/vmm.c index 2370da62d2..0f722facb0 100644 --- a/usr/src/uts/i86pc/io/vmm/vmm.c +++ b/usr/src/uts/i86pc/io/vmm/vmm.c @@ -760,12 +760,21 @@ vm_alloc_memseg(struct vm *vm, int ident, size_t len, bool sysmem) struct mem_seg *seg; vm_object_t obj; +#ifndef __FreeBSD__ + extern pgcnt_t get_max_page_get(void); +#endif + if (ident < 0 || ident >= VM_MAX_MEMSEGS) return (EINVAL); if (len == 0 || (len & PAGE_MASK)) return (EINVAL); +#ifndef __FreeBSD__ + if (len > ptob(get_max_page_get())) + return (EINVAL); +#endif + seg = &vm->mem_segs[ident]; if (seg->object != NULL) { if (seg->len == len && seg->sysmem == sysmem) |