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The VMSTATE_STRUCT_VARRAY_UINT32 macro is intended to handle migrating a field which is an array of structs, but where instead of migrating the entire array we only migrate a variable number of elements of it. The VMSTATE_STRUCT_VARRAY_POINTER_UINT32 macro is intended to handle migrating a field which is of pointer type, and points to a dynamically allocated array of structs of variable size. We weren't actually checking that the field passed to VMSTATE_STRUCT_VARRAY_UINT32 really is an array, with the result that accidentally using it where the _POINTER_ macro was intended would compile but silently corrupt memory on migration. Add type-checking that enforces that the field passed in is really of the right array type. This applies to all the VMSTATE macros which use flags including VMS_VARRAY_* but not VMS_POINTER. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Damien Hedde <damien.hedde@greensocs.com> Tested-by: Damien Hedde <damien.hedde@greensocs.com> Message-id: 20190725163710.11703-3-peter.maydell@linaro.org |
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| libdecnumber | ||
| migration | ||
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| standard-headers | ||
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| qemu-common.h | ||
| qemu-io.h | ||
| trace-tcg.h | ||