Re: Re: KASAN: use-after-free Read in __rhashtable_lookup (2)

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Subject: Re: Re: KASAN: use-after-free Read in __rhashtable_lookup (2)
From: syzbot <syzbot+8967084bcac563795dc6@xxxxxxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 24 Aug 2018 16:05:01 -0700
Cc: davem@xxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-rdma@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, rds-devel@xxxxxxxxxxxxxx, santosh.shilimkar@xxxxxxxxxx, sowmini.varadhan@xxxxxxxxxx, syzkaller-bugs@xxxxxxxxxxxxxxxx
In-reply-to: <20180824230446.GA16891@oracle.com>

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


unknown command "dup"

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

References:
- Re: KASAN: use-after-free Read in __rhashtable_lookup (2)
  - From: Sowmini Varadhan

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