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SUSE:SLE-12-SP2:GA
qemu.611
0149-cpu-assert-host-pointer-offset-with.patch
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File 0149-cpu-assert-host-pointer-offset-with.patch of Package qemu.611
From cf471bdeca53e1514ee8af1883378196ff7ab10b Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" <mst@redhat.com> Date: Wed, 12 Nov 2014 11:44:44 +0200 Subject: [PATCH] cpu: assert host pointer offset within block Make accesses safer in case we missed some check somewhere. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Amos Kong <akong@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com> (cherry picked from commit fd5f3b636788f79843d42188ed843c0416643326) Signed-off-by: Alexander Graf <agraf@suse.de> --- include/exec/cpu-all.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h index 8097763..8df6e20 100644 --- a/include/exec/cpu-all.h +++ b/include/exec/cpu-all.h @@ -435,6 +435,7 @@ typedef struct RAMBlock { static inline void *ramblock_ptr(RAMBlock *block, ram_addr_t offset) { + assert(offset < block->length); return (char *)block->host + offset; }
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