diff options
| author |   visa <visa@openbsd.org> | 2019-06-24 12:49:03 +0000 |
|---|---|---|
| committer | visa <visa@openbsd.org> | 2019-06-24 12:49:03 +0000 |
| commit | 5699f997603f91289e6ed86fd4bdbb59e4513ec3 (patch) | |
| tree | fc18c56403c4fc762960e8ac96f8d7040b7e011b /sys/kern/kern_resource.c | |
| parent | Do not use a warning flag that base gcc does not understand, (diff) | |
| download | wireguard-openbsd-5699f997603f91289e6ed86fd4bdbb59e4513ec3.tar.xz wireguard-openbsd-5699f997603f91289e6ed86fd4bdbb59e4513ec3.zip | |
Guard uvm_map_protect() with kernel lock to prepare dosetrlimit()
for unlocking.
OK semarie@ mpi@ deraadt@ anton@
Diffstat (limited to 'sys/kern/kern_resource.c')
| -rw-r--r-- | sys/kern/kern_resource.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/kern/kern_resource.c b/sys/kern/kern_resource.c index 050326ab6fd..191abef1c35 100644 --- a/sys/kern/kern_resource.c +++ b/sys/kern/kern_resource.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_resource.c,v 1.65 2019/06/21 09:39:48 visa Exp $ */ +/* $OpenBSD: kern_resource.c,v 1.66 2019/06/24 12:49:03 visa Exp $ */ /* $NetBSD: kern_resource.c,v 1.38 1996/10/23 07:19:38 matthias Exp $ */ /*- @@ -326,8 +326,10 @@ dosetrlimit(struct proc *p, u_int which, struct rlimit *limp) } addr = trunc_page(addr); size = round_page(size); + KERNEL_LOCK(); (void) uvm_map_protect(&vm->vm_map, addr, addr+size, prot, FALSE); + KERNEL_UNLOCK(); } } |