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author | Martin Schiller <ms@dev.tdt.de> | 2020-01-09 07:31:14 +0100 |
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committer | David S. Miller <davem@davemloft.net> | 2020-01-09 18:39:33 -0800 |
commit | e21dba7a4df4d93da237da65a096084b4f2e87b4 (patch) | |
tree | fe4194f409a60212ac0b10cc6a18b19dc14e730f /net/rfkill | |
parent | 3249b1e442a1be1a6b9f1026785b519d1443f807 (diff) | |
download | linux-e21dba7a4df4d93da237da65a096084b4f2e87b4.tar.gz |
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>
Diffstat (limited to 'net/rfkill')
0 files changed, 0 insertions, 0 deletions