net/smc: transfer fasync_list in case of fallback
SMC does not work together with FASTOPEN. If sendmsg() is called with flag MSG_FASTOPEN in SMC_INIT state, the SMC-socket switches to fallback mode. To handle the previous ioctl FIOASYNC call correctly in this case, it is necessary to transfer the socket wait queue fasync_list to the internal TCP socket. Reported-by:<syzbot+4b1fe8105f8044a26162@syzkaller.appspotmail.com> Fixes: ee9dfbef ("net/smc: handle sockopts forcing fallback") Signed-off-by:
Ursula Braun <ubraun@linux.ibm.com> Signed-off-by:
Karsten Graul <kgraul@linux.ibm.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
dc221a28
Please register or sign in to comment