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33 lines
1.1 KiB
33 lines
1.1 KiB
4 years ago
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commit bd3b0fbae33a9a4cc5e2daf049443d5cf03d4251
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Author: Andreas Schwab <schwab@suse.de>
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Date: Mon Nov 5 12:47:30 2018 +0100
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libanl: properly cleanup if first helper thread creation failed (bug 22927)
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2018-11-05 Andreas Schwab <schwab@suse.de>
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[BZ #22927]
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* resolv/gai_misc.c (__gai_enqueue_request): Don't crash if
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creating the first helper thread failed.
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[Note from DJ - hard to test; must force second calloc() call in
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getaddrinfo_a() to return NULL/ENOMEM]
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diff -rup a/resolv/gai_misc.c b/resolv/gai_misc.c
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--- a/resolv/gai_misc.c 2012-12-24 22:02:13.000000000 -0500
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+++ b/resolv/gai_misc.c 2019-01-22 16:19:30.514199534 -0500
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@@ -264,8 +264,11 @@ __gai_enqueue_request (struct gaicb *gai
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/* We cannot create a thread in the moment and there is
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also no thread running. This is a problem. `errno' is
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set to EAGAIN if this is only a temporary problem. */
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- assert (lastp->next == newp);
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- lastp->next = NULL;
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+ assert (requests == newp || lastp->next == newp);
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+ if (lastp != NULL)
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+ lastp->next = NULL;
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+ else
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+ requests = NULL;
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requests_tail = lastp;
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newp->next = freelist;
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