d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

prevent overflow in shminfo.shmmax

Browse Source
This commit is contained in:
alfred 2003-02-16 06:08:55 +00:00
parent 52f557176d
commit 4e5b966b93
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sys/kern/sysv_shm.c
View File

@ -811,7 +811,11 @@ shminit()
int i;
TUNABLE_INT_FETCH("kern.ipc.shmmaxpgs", &shminfo.shmall);
shminfo.shmmax = shminfo.shmall * PAGE_SIZE;
for (i = PAGE_SIZE; i < 0; i--) {
shminfo.shmmax = shminfo.shmall * PAGE_SIZE;
if (shminfo.shmmax >= shminfo.shmall)
break;
}
TUNABLE_INT_FETCH("kern.ipc.shmmin", &shminfo.shmmin);
TUNABLE_INT_FETCH("kern.ipc.shmmni", &shminfo.shmmni);
TUNABLE_INT_FETCH("kern.ipc.shmseg", &shminfo.shmseg);