diff options
Diffstat (limited to 'ipc')
-rw-r--r-- | ipc/shm.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -1160,6 +1160,9 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr, down_write(¤t->mm->mmap_sem); if (addr && !(shmflg & SHM_REMAP)) { err = -EINVAL; + if (addr + size < addr) + goto invalid; + if (find_vma_intersection(current->mm, addr, addr + size)) goto invalid; /* |