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42eedb04c1
Calling discard_cache() is likely to result in a call to free_memblock(), which will call valgrind_make_blocks_noaccess() before returning. This causes valgrind to report an invalid read on the next iteration through the loop in alloc_memblock(). Fix by explicitly calling valgrind_make_blocks_defined() after discard_cache() returns. Also call valgrind_make_blocks_noaccess() before calling discard_cache(), to guard against free list corruption while executing cache discarders. Signed-off-by: Michael Brown <mcb30@ipxe.org>
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