Martin Schiller e21dba7a4d net/x25: fix nonblocking connect ... This patch fixes 2 issues in x25_connect(): 1. It makes absolutely no sense to reset the neighbour and the connection state after a (successful) nonblocking call of x25_connect. This prevents any connection from being established, since the response (call accept) cannot be processed. 2. Any further calls to x25_connect() while a call is pending should simply return, instead of creating new Call Request (on different logical channels). This patch should also fix the "KASAN: null-ptr-deref Write in x25_connect" and "BUG: unable to handle kernel NULL pointer dereference in x25_connect" bugs reported by syzbot. Signed-off-by: Martin Schiller <ms@dev.tdt.de> Reported-by: syzbot+429c200ffc8772bfe070@syzkaller.appspotmail.com Reported-by: syzbot+eec0c87f31a7c3b66f7b@syzkaller.appspotmail.com Signed-off-by: David S. Miller <davem@davemloft.net>		2020-01-09 18:39:33 -08:00
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af_x25.c	net/x25: fix nonblocking connect	2020-01-09 18:39:33 -08:00
Kconfig
Makefile
sysctl_net_x25.c
x25_dev.c
x25_facilities.c
x25_forward.c
x25_in.c
x25_link.c
x25_out.c
x25_proc.c
x25_route.c
x25_subr.c
x25_timer.c