[linux-next] LinuxNextTracking branch, master, updated. next-20180719

batman at open-mesh.org batman at open-mesh.org
Fri Jul 20 00:16:43 CEST 2018

The following commit has been merged in the master branch:
commit 4a519b83da16927fb98fd32b0f598e639d1f1859
Author: Linus Lüssing <linus.luessing at c0d3.blue>
Date:   Thu Jun 7 00:46:23 2018 +0200

    batman-adv: Avoid storing non-TT-sync flags on singular entries too
    Since commit 54e22f265e87 ("batman-adv: fix TT sync flag inconsistencies")
    TT sync flags and TT non-sync'd flags are supposed to be stored
    The previous patch missed to apply this separation on a TT entry with
    only a single TT orig entry.
    This is a minor fix because with only a single TT orig entry the DDoS
    issue the former patch solves does not apply.
    Fixes: 54e22f265e87 ("batman-adv: fix TT sync flag inconsistencies")
    Signed-off-by: Linus Lüssing <linus.luessing at c0d3.blue>
    Signed-off-by: Sven Eckelmann <sven at narfation.org>
    Signed-off-by: Simon Wunderlich <sw at simonwunderlich.de>

diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 3986551397ca..61ce300091f3 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -1705,7 +1705,8 @@ static bool batadv_tt_global_add(struct batadv_priv *bat_priv,
 		ether_addr_copy(common->addr, tt_addr);
 		common->vid = vid;
-		common->flags = flags;
+		common->flags = flags & (~BATADV_TT_SYNC_MASK);
 		tt_global_entry->roam_at = 0;
 		/* node must store current time in case of roaming. This is
 		 * needed to purge this entry out on timeout (if nobody claims


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