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Merge pull request #658 from ecsv/batadv-for-19.07 

openwrt-19.07: batman-adv: Merge bugfixes from 2021.1
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Simon Wunderlich 2021-05-18 19:09:21 +02:00 committed by GitHub
parent 118536cfb0 a995b62043
commit 101632e153
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2 changed files with 42 additions and 1 deletions
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2
batman-adv/Makefile
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@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=batman-adv
PKG_VERSION:=2019.2
PKG_RELEASE:=11
PKG_RELEASE:=12
PKG_HASH:=70c3f6a6cf88d2b25681a76768a52ed92d9fe992ba8e358368b6a8088757adc8
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz

41
batman-adv/patches/0010-batman-adv-initialize-struct-batadv_tvlv_tt_vlan_dat.patch Normal file
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@ -0,0 +1,41 @@
From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Date: Mon, 5 Apr 2021 19:16:50 +0900
Subject: batman-adv: initialize "struct batadv_tvlv_tt_vlan_data"->reserved field
KMSAN found uninitialized value at batadv_tt_prepare_tvlv_local_data()
[1], for commit ced72933a5e8ab52 ("batman-adv: use CRC32C instead of CRC16
in TT code") inserted 'reserved' field into "struct batadv_tvlv_tt_data"
and commit 7ea7b4a142758dea ("batman-adv: make the TT CRC logic VLAN
specific") moved that field to "struct batadv_tvlv_tt_vlan_data" but left
that field uninitialized.
[1] https://syzkaller.appspot.com/bug?id=07f3e6dba96f0eb3cabab986adcd8a58b9bdbe9d
Reported-by: syzbot <syzbot+50ee810676e6a089487b@syzkaller.appspotmail.com>
Tested-by: syzbot <syzbot+50ee810676e6a089487b@syzkaller.appspotmail.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Fixes: c5e7a06a2961 ("batman-adv: use CRC32C instead of CRC16 in TT code")
Fixes: 21a57f6e7a3b ("batman-adv: make the TT CRC logic VLAN specific")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Origin: upstream, https://git.open-mesh.org/batman-adv.git/commit/fe8bf38f47a0c1a0e53c487228e3f5a44c86939f
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 8a482c5ec67bb22167bca02b4181252045e3b605..c5271ea4dc8321fadc75fca7790b1382102dbb5a 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -891,6 +891,7 @@ batadv_tt_prepare_tvlv_global_data(struct batadv_orig_node *orig_node,
hlist_for_each_entry_rcu(vlan, &orig_node->vlan_list, list) {
tt_vlan->vid = htons(vlan->vid);
tt_vlan->crc = htonl(vlan->tt.crc);
+ tt_vlan->reserved = 0;
tt_vlan++;
}
@@ -974,6 +975,7 @@ batadv_tt_prepare_tvlv_local_data(struct batadv_priv *bat_priv,
tt_vlan->vid = htons(vlan->vid);
tt_vlan->crc = htonl(vlan->tt.crc);
+ tt_vlan->reserved = 0;
tt_vlan++;
}