wpa_supplicant rebuild
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+38
@@ -0,0 +1,38 @@
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From 947272febe24a8f0ea828b5b2f35f13c3821901e Mon Sep 17 00:00:00 2001
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From: Jouni Malinen <jouni@codeaurora.org>
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Date: Mon, 9 Nov 2020 11:43:12 +0200
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Subject: [PATCH] P2P: Fix copying of secondary device types for P2P group
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client
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Parsing and copying of WPS secondary device types list was verifying
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that the contents is not too long for the internal maximum in the case
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of WPS messages, but similar validation was missing from the case of P2P
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group information which encodes this information in a different
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attribute. This could result in writing beyond the memory area assigned
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for these entries and corrupting memory within an instance of struct
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p2p_device. This could result in invalid operations and unexpected
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behavior when trying to free pointers from that corrupted memory.
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Credit to OSS-Fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27269
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Fixes: e57ae6e19edf ("P2P: Keep track of secondary device types for peers")
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Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
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---
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src/p2p/p2p.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/src/p2p/p2p.c b/src/p2p/p2p.c
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index 74b7b52ae05c..5cbfc217fc1f 100644
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--- a/src/p2p/p2p.c
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+++ b/src/p2p/p2p.c
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@@ -453,6 +453,8 @@ static void p2p_copy_client_info(struct p2p_device *dev,
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dev->info.config_methods = cli->config_methods;
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os_memcpy(dev->info.pri_dev_type, cli->pri_dev_type, 8);
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dev->info.wps_sec_dev_type_list_len = 8 * cli->num_sec_dev_types;
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+ if (dev->info.wps_sec_dev_type_list_len > WPS_SEC_DEV_TYPE_MAX_LEN)
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+ dev->info.wps_sec_dev_type_list_len = WPS_SEC_DEV_TYPE_MAX_LEN;
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os_memcpy(dev->info.wps_sec_dev_type_list, cli->sec_dev_types,
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dev->info.wps_sec_dev_type_list_len);
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}
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--
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2.25.1
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@@ -24,6 +24,8 @@
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<Dependency>readline-devel</Dependency>
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</BuildDependencies>
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<Patches>
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<Patch level="1">0001-P2P-Fix-copying-of-secondary-device-types-for-P2P-gr.patch</Patch>
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<Patch level="1">ubuntu/01_use_pkg-config_for_pcsc-lite_module.patch</Patch>
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<!--<Patch level="1">wpa_supplicant-1.0-generate-libeap-peer.patch</Patch>-->
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<Patch level="1">wpa_supplicant-1.0-dbus-path-fix.patch</Patch>
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@@ -81,6 +83,13 @@
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</Package>
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<History>
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<Update release="6">
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<Date>2021-07-02</Date>
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<Version>2.9</Version>
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<Comment>Rebuild.</Comment>
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<Name>Mustafa Cinasal</Name>
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<Email>muscnsl@gmail.com</Email>
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</Update>
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<Update release="5">
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<Date>2020-01-22</Date>
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<Version>2.9</Version>
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