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Date: Tue, 31 Dec 2019 00:51:22 -0800 (PST) From: David Miller <davem@...emloft.net> To: ap420073@...il.com Cc: jakub.kicinski@...ronome.com, netdev@...r.kernel.org Subject: Re: [PATCH net] hsr: fix slab-out-of-bounds Read in hsr_debugfs_rename() From: Taehee Yoo <ap420073@...il.com> Date: Sat, 28 Dec 2019 16:28:09 +0000 > hsr slave interfaces don't have debugfs directory. > So, hsr_debugfs_rename() shouldn't be called when hsr slave interface name > is changed. > > Test commands: > ip link add dummy0 type dummy > ip link add dummy1 type dummy > ip link add hsr0 type hsr slave1 dummy0 slave2 dummy1 > ip link set dummy0 name ap > > Splat looks like: ... > Reported-by: syzbot+9328206518f08318a5fd@...kaller.appspotmail.com > Fixes: 4c2d5e33dcd3 ("hsr: rename debugfs file when interface name is changed") > Signed-off-by: Taehee Yoo <ap420073@...il.com> Applied, thank you.
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