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SubjectRe: KASAN: slab-out-of-bounds Read in rhashtable_walk_enter
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syzbot has bisected this bug to:

commit 7e27e8d6130c5e88fac9ddec4249f7f2337fe7f8
Author: Junwei Hu <hujunwei4@huawei.com>
Date: Thu May 16 02:51:15 2019 +0000

tipc: switch order of device registration to fix a crash

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10dbe682a00000
start commit: 510e2ced ipv6: fix src addr routing with the exception table
git tree: net
final crash: https://syzkaller.appspot.com/x/report.txt?x=12dbe682a00000
console output: https://syzkaller.appspot.com/x/log.txt?x=14dbe682a00000
kernel config: https://syzkaller.appspot.com/x/.config?x=82f0809e8f0a8c87
dashboard link: https://syzkaller.appspot.com/bug?extid=21ad49ad4c11cbfba8d7
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1648fdb2a00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16437cf8a00000

Reported-by: syzbot+21ad49ad4c11cbfba8d7@syzkaller.appspotmail.com
Fixes: 7e27e8d6130c ("tipc: switch order of device registration to fix a
crash")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

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