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Date: Thu, 31 Mar 2022 14:42:15 +0800 From: Tony Lu <tonylu@...ux.alibaba.com> To: syzbot <syzbot+6e29a053eb165bd50de5@...kaller.appspotmail.com> Cc: davem@...emloft.net, kgraul@...ux.ibm.com, kuba@...nel.org, linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org, netdev@...r.kernel.org, pabeni@...hat.com, syzkaller-bugs@...glegroups.com Subject: Re: [syzbot] memory leak in smc_create (2) On Mon, Mar 28, 2022 at 01:59:26PM -0700, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: ed4643521e6a Merge tag 'arm-dt-5.18' of git://git.kernel.o.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=14d17b99700000 > kernel config: https://syzkaller.appspot.com/x/.config?x=8414405fa34d7154 > dashboard link: https://syzkaller.appspot.com/bug?extid=6e29a053eb165bd50de5 > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16431151700000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15f44cdb700000 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+6e29a053eb165bd50de5@...kaller.appspotmail.com __smc_release() does not handle it properly when it falls back and sk_state is SMC_CLOSED but not calls sock_put(). This makes sk leaks. I will fix it soon. Tony Lu
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