49 lines
1.4 KiB
Diff
49 lines
1.4 KiB
Diff
From c8ec34109cab8c92685958ddfef0776a4b3b8460 Mon Sep 17 00:00:00 2001
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From: Rich Salz <rsalz@openssl.org>
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Date: Wed, 31 May 2017 12:14:55 -0400
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Subject: [PATCH] Only release thread-local key if we created it.
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Thanks to Jan Alexander Steffens for finding the bug and confirming the
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fix.
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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(Merged from https://github.com/openssl/openssl/pull/3592)
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(cherry picked from commit 73bc53708c386c1ea85941d345721e23dc61c05c)
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---
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crypto/err/err.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/crypto/err/err.c b/crypto/err/err.c
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index f866f2f..c55f849 100644
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--- a/crypto/err/err.c
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+++ b/crypto/err/err.c
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@@ -122,6 +122,7 @@ static ERR_STRING_DATA ERR_str_reasons[] = {
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#endif
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static CRYPTO_ONCE err_init = CRYPTO_ONCE_STATIC_INIT;
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+static int set_err_thread_local;
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static CRYPTO_THREAD_LOCAL err_thread_local;
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static CRYPTO_ONCE err_string_init = CRYPTO_ONCE_STATIC_INIT;
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@@ -260,7 +261,8 @@ DEFINE_RUN_ONCE_STATIC(do_err_strings_init)
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void err_cleanup(void)
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{
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- CRYPTO_THREAD_cleanup_local(&err_thread_local);
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+ if (set_err_thread_local != 0)
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+ CRYPTO_THREAD_cleanup_local(&err_thread_local);
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CRYPTO_THREAD_lock_free(err_string_lock);
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err_string_lock = NULL;
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}
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@@ -639,6 +641,7 @@ void ERR_remove_state(unsigned long pid)
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DEFINE_RUN_ONCE_STATIC(err_do_init)
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{
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+ set_err_thread_local = 1;
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return CRYPTO_THREAD_init_local(&err_thread_local, NULL);
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}
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--
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2.9.3
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