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Ursula Braun authored
When an SMC socket is connecting it is decided whether fallback to TCP is needed. To avoid races between connect and ioctl move the sock lock before the use_fallback check. Reported-by: syzbot+5b2cece1a8ecb2ca77d8@syzkaller.appspotmail.com Reported-by: syzbot+19557374321ca3710990@syzkaller.appspotmail.com Fixes: 1992d998 ("net/smc: take sock lock in smc_ioctl()") Signed-off-by:
Ursula Braun <ubraun@linux.ibm.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
7311d665