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| author |   kettenis <kettenis@openbsd.org> | 2020-07-10 16:09:58 +0000 |
|---|---|---|
| committer | kettenis <kettenis@openbsd.org> | 2020-07-10 16:09:58 +0000 |
| commit | b890afa6f63e680b76f7ad9d165b4d98af6f155f (patch) | |
| tree | fb267953b465aa664c7009b47c175fdfa523f358 | |
| parent | base tree had only two uses of the printf %n format string, in this file. (diff) | |
| download | wireguard-openbsd-b890afa6f63e680b76f7ad9d165b4d98af6f155f.tar.xz wireguard-openbsd-b890afa6f63e680b76f7ad9d165b4d98af6f155f.zip | |
Add check for userland VSID overflow.
| -rw-r--r-- | sys/arch/powerpc64/powerpc64/pmap.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/arch/powerpc64/powerpc64/pmap.c b/sys/arch/powerpc64/powerpc64/pmap.c index c6916df1940..bb65b91f463 100644 --- a/sys/arch/powerpc64/powerpc64/pmap.c +++ b/sys/arch/powerpc64/powerpc64/pmap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.c,v 1.28 2020/07/10 12:09:53 kettenis Exp $ */ +/* $OpenBSD: pmap.c,v 1.29 2020/07/10 16:09:58 kettenis Exp $ */ /* * Copyright (c) 2015 Martin Pieuchot @@ -323,6 +323,7 @@ pmap_slbd_alloc(pmap_t pm, vaddr_t va) slbd->slbd_esid = esid; slbd->slbd_vsid = pmap_vsid++; + KASSERT((slbd->slbd_vsid & KERNEL_VSID_BIT) == 0); LIST_INSERT_HEAD(&pm->pm_slbd, slbd, slbd_list); /* We're almost certainly going to use it soon. */ |