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25 lines
815 B
Diff
25 lines
815 B
Diff
From: Dermot Bradley <dermot_bradley@yahoo.com>
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Date: Mon, 10 Apr 2023 14:25 +0100
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On a failure of jent_read_entropy() where the entropy collector will
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be reallocated, jent_entropy_collector_free() is used to release
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*ec, but *ec is not set to NULL. If a failure occurs in the
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following call to jent_entropy_collector_ex() then the function will
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return with a dangling pointer remaining in *ec. Set *ec to NULL
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after freeing to prevent this.
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Upstream PR #97, already merged in master.
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---
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diff -aur a/src/jitterentropy-base.c b/src/jitterentropy-base.c
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--- a/src/jitterentropy-base.c
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+++ b/src/jitterentropy-base.c
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@@ -308,6 +308,7 @@
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* memory size
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*/
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jent_entropy_collector_free(*ec);
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+ *ec = NULL;
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/* Perform new health test with updated OSR */
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if (jent_entropy_init_ex(osr, flags))
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