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mimic: core: crc cache should be invalidated when posting preallocated rx buffers #29247
Both simple and async messengers use c_str() when copying the data from the socket into the receive buffer, going behind bufferlist's back. If the receive buffer is preallocated, we need to invalidate its crc cache by hand to avoid possible data crc mismatches on the client side. Fixes: https://tracker.ceph.com/issues/38416 Signed-off-by: Ilya Dryomov <firstname.lastname@example.org> (cherry picked from commit 3eeab97) Conflicts: src/test/librados/io_cxx.cc - In master, 3730d10 renamed this file from src/test/librados/io.cc but that commit is not being backported to mimic. Manually cherry-picked the test mods into src/test/librados/io.cc.
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