netdev - Re: KASAN: use-after-free Read in __rhashtable

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Date:   Fri, 24 Aug 2018 19:04:46 -0400
From:   Sowmini Varadhan <sowmini.varadhan@...cle.com>
To:     syzbot <syzbot+8967084bcac563795dc6@...kaller.appspotmail.com>
Cc:     davem@...emloft.net, linux-kernel@...r.kernel.org,
        linux-rdma@...r.kernel.org, netdev@...r.kernel.org,
        rds-devel@....oracle.com, santosh.shilimkar@...cle.com,
        syzkaller-bugs@...glegroups.com
Subject: Re: KASAN: use-after-free Read in __rhashtable_lookup (2)



#syz dup KASAN: use-after-free Read in rds_find_bound

The problem is a missing synchronize_net() in rds_release.
References:
  https://www.spinics.net/lists/netdev/msg475074.html
  https://www.spinics.net/lists/netdev/msg507908.html