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fuzz: Add fuzzer callbacks to DMA-read functions

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We should be careful to not call any functions besides fuzz_dma_read_cb.
Without --enable-fuzzing, fuzz_dma_read_cb is an empty inlined function.

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-Id: <20201023150746.107063-7-alxndr@bu.edu>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Alexander Bulekov 2020-10-23 11:07:35 -04:00 • committed by Thomas Huth
parent e7d3222e2e
commit a3c20e91de
5 changed files with 11 additions and 0 deletions
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1
include/exec/memory.h
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@ -2462,6 +2462,7 @@ address_space_read_cached(MemoryRegionCache *cache, hwaddr addr,
void *buf, hwaddr len)
{
assert(addr < cache->len && len <= cache->len - addr);
fuzz_dma_read_cb(cache->xlat + addr, len, cache->mrs.mr, false);
if (likely(cache->ptr)) {
memcpy(buf, cache->ptr + addr, len);
return MEMTX_OK;