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 ced72933 ("batman-adv: use CRC32C instead of CRC16 in TT code") inserted 'reserved' field into "struct batadv_tvlv_tt_data" and commit 7ea7b4a1 ("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: ced72933 ("batman-adv: use CRC32C instead of CRC16 in TT code") Fixes: 7ea7b4a1 ("batman-adv: make the TT CRC logic VLAN specific") Acked-by:
Sven Eckelmann <sven@narfation.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
22f69de1
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