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charset="utf-8" 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 Reviewed-by: Darren Kenny --- include/exec/memory.h | 1 + include/exec/memory_ldst_cached.h.inc | 3 +++ memory_ldst.c.inc | 4 ++++ softmmu/memory.c | 1 + softmmu/physmem.c | 2 ++ 5 files changed, 11 insertions(+) diff --git a/include/exec/memory.h b/include/exec/memory.h index 854480859d..588668547b 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -2462,6 +2462,7 @@ address_space_read_cached(MemoryRegionCache *cache, h= waddr addr, void *buf, hwaddr len) { assert(addr < cache->len && len <=3D 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; diff --git a/include/exec/memory_ldst_cached.h.inc b/include/exec/memory_ld= st_cached.h.inc index fd4bbb40e7..aff574039f 100644 --- a/include/exec/memory_ldst_cached.h.inc +++ b/include/exec/memory_ldst_cached.h.inc @@ -28,6 +28,7 @@ static inline uint32_t ADDRESS_SPACE_LD_CACHED(l)(MemoryR= egionCache *cache, hwaddr addr, MemTxAttrs attrs, MemTxResult *result) { assert(addr < cache->len && 4 <=3D cache->len - addr); + fuzz_dma_read_cb(cache->xlat + addr, 4, cache->mrs.mr, false); if (likely(cache->ptr)) { return LD_P(l)(cache->ptr + addr); } else { @@ -39,6 +40,7 @@ static inline uint64_t ADDRESS_SPACE_LD_CACHED(q)(MemoryR= egionCache *cache, hwaddr addr, MemTxAttrs attrs, MemTxResult *result) { assert(addr < cache->len && 8 <=3D cache->len - addr); + fuzz_dma_read_cb(cache->xlat + addr, 8, cache->mrs.mr, false); if (likely(cache->ptr)) { return LD_P(q)(cache->ptr + addr); } else { @@ -50,6 +52,7 @@ static inline uint32_t ADDRESS_SPACE_LD_CACHED(uw)(Memory= RegionCache *cache, hwaddr addr, MemTxAttrs attrs, MemTxResult *result) { assert(addr < cache->len && 2 <=3D cache->len - addr); + fuzz_dma_read_cb(cache->xlat + addr, 2, cache->mrs.mr, false); if (likely(cache->ptr)) { return LD_P(uw)(cache->ptr + addr); } else { diff --git a/memory_ldst.c.inc b/memory_ldst.c.inc index c54aee4a95..8d45d2eeff 100644 --- a/memory_ldst.c.inc +++ b/memory_ldst.c.inc @@ -42,6 +42,7 @@ static inline uint32_t glue(address_space_ldl_internal, S= UFFIX)(ARG1_DECL, MO_32 | devend_memop(endian), attr= s); } else { /* RAM case */ + fuzz_dma_read_cb(addr, 4, mr, false); ptr =3D qemu_map_ram_ptr(mr->ram_block, addr1); switch (endian) { case DEVICE_LITTLE_ENDIAN: @@ -110,6 +111,7 @@ static inline uint64_t glue(address_space_ldq_internal,= SUFFIX)(ARG1_DECL, MO_64 | devend_memop(endian), attr= s); } else { /* RAM case */ + fuzz_dma_read_cb(addr, 8, mr, false); ptr =3D qemu_map_ram_ptr(mr->ram_block, addr1); switch (endian) { case DEVICE_LITTLE_ENDIAN: @@ -175,6 +177,7 @@ uint32_t glue(address_space_ldub, SUFFIX)(ARG1_DECL, r =3D memory_region_dispatch_read(mr, addr1, &val, MO_8, attrs); } else { /* RAM case */ + fuzz_dma_read_cb(addr, 1, mr, false); ptr =3D qemu_map_ram_ptr(mr->ram_block, addr1); val =3D ldub_p(ptr); r =3D MEMTX_OK; @@ -212,6 +215,7 @@ static inline uint32_t glue(address_space_lduw_internal= , SUFFIX)(ARG1_DECL, MO_16 | devend_memop(endian), attr= s); } else { /* RAM case */ + fuzz_dma_read_cb(addr, 2, mr, false); ptr =3D qemu_map_ram_ptr(mr->ram_block, addr1); switch (endian) { case DEVICE_LITTLE_ENDIAN: diff --git a/softmmu/memory.c b/softmmu/memory.c index d3cdb46459..d7fdca2603 100644 --- a/softmmu/memory.c +++ b/softmmu/memory.c @@ -1429,6 +1429,7 @@ MemTxResult memory_region_dispatch_read(MemoryRegion = *mr, unsigned size =3D memop_size(op); MemTxResult r; =20 + fuzz_dma_read_cb(addr, size, mr, false); if (!memory_region_access_valid(mr, addr, size, false, attrs)) { *pval =3D unassigned_mem_read(mr, addr, size); return MEMTX_DECODE_ERROR; diff --git a/softmmu/physmem.c b/softmmu/physmem.c index e319fb2a1e..a9adedb9f8 100644 --- a/softmmu/physmem.c +++ b/softmmu/physmem.c @@ -2832,6 +2832,7 @@ MemTxResult flatview_read_continue(FlatView *fv, hwad= dr addr, stn_he_p(buf, l, val); } else { /* RAM case */ + fuzz_dma_read_cb(addr, len, mr, false); ram_ptr =3D qemu_ram_ptr_length(mr->ram_block, addr1, &l, fals= e); memcpy(buf, ram_ptr, l); } @@ -3192,6 +3193,7 @@ void *address_space_map(AddressSpace *as, memory_region_ref(mr); *plen =3D flatview_extend_translation(fv, addr, len, mr, xlat, l, is_write, attrs); + fuzz_dma_read_cb(addr, *plen, mr, is_write); ptr =3D qemu_ram_ptr_length(mr->ram_block, xlat, plen, true); =20 return ptr; --=20 2.28.0