19 lines
749 B
Diff
19 lines
749 B
Diff
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diff --git a/src/swtpm/ctrlchannel.c b/src/swtpm/ctrlchannel.c
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index f76a68b..f847960 100644
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--- a/src/swtpm/ctrlchannel.c
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+++ b/src/swtpm/ctrlchannel.c
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@@ -691,7 +691,12 @@ int ctrlchannel_process_fd(int fd,
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data = (ptm_hdata *)&output.body;
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- data->u.resp.tpm_result = htobe32(res);
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+ /* gcc-11 flags this code with a diagnostic. I'm not sure the diagnostic
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+ is valid, but regardless, this is reasonable workaround. Essentially
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+ we are trying to obfuscate the above cast and store below from the
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+ analysis for out of bounds object access diagnostics. */
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+ uint32_t __x = htobe32(res);
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+ memcpy (&data->u.resp.tpm_result, &__x, sizeof (__x));
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out_len = sizeof(data->u.resp.tpm_result);
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break;
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