a4c6ac59e6
Fixes socket leak that might cause denial of serivce. https://bugzilla.redhat.com/show_bug.cgi?id=1523547 Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
52 lines
1.4 KiB
Diff
52 lines
1.4 KiB
Diff
From 5097bc0559f592683faac1f67bf350e1bddf6ed4 Mon Sep 17 00:00:00 2001
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From: Thomas Markwalder <tmark@isc.org>
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Date: Thu, 7 Dec 2017 11:39:30 -0500
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Subject: [PATCH] [v4_3] Plugs a socket descriptor leak in OMAPI
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Merges in rt46767.
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[baruch: drop RELNOTES hunk]
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Signed-off-by: Baruch Siach <baruch@tkos.co.il>
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---
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Patch status: upstream commit 5097bc0559f
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omapip/buffer.c | 9 +++++++++
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omapip/message.c | 2 +-
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diff --git a/omapip/buffer.c b/omapip/buffer.c
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index f7fdc3250e82..809034d1317b 100644
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--- a/omapip/buffer.c
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+++ b/omapip/buffer.c
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@@ -566,6 +566,15 @@ isc_result_t omapi_connection_writer (omapi_object_t *h)
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omapi_buffer_dereference (&buffer, MDL);
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}
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}
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+
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+ /* If we had data left to write when we're told to disconnect,
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+ * we need recall disconnect, now that we're done writing.
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+ * See rt46767. */
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+ if (c->out_bytes == 0 && c->state == omapi_connection_disconnecting) {
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+ omapi_disconnect (h, 1);
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+ return ISC_R_SHUTTINGDOWN;
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+ }
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+
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return ISC_R_SUCCESS;
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}
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diff --git a/omapip/message.c b/omapip/message.c
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index 59ccdc2c05cf..21bcfc3822e7 100644
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--- a/omapip/message.c
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+++ b/omapip/message.c
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@@ -339,7 +339,7 @@ isc_result_t omapi_message_unregister (omapi_object_t *mo)
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}
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#ifdef DEBUG_PROTOCOL
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-static const char *omapi_message_op_name(int op) {
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+const char *omapi_message_op_name(int op) {
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switch (op) {
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case OMAPI_OP_OPEN: return "OMAPI_OP_OPEN";
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case OMAPI_OP_REFRESH: return "OMAPI_OP_REFRESH";
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--
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2.15.1
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