From: Eric Dumazet
Date: Tue, 12 Mar 2019 06:50:11 -0700
> Back in 2013 Hannes took care of most of such leaks in commit
> bceaa90240b6 ("inet: prevent leakage of uninitialized memory to user in recv
> syscalls")
>
> But the bug in l2tp_ip6_recvmsg() has not been fixed.
>
> syzbot report :
..
Back in 2013 Hannes took care of most of such leaks in commit
bceaa90240b6 ("inet: prevent leakage of uninitialized memory to user in recv
syscalls")
But the bug in l2tp_ip6_recvmsg() has not been fixed.
syzbot report :
BUG: KMSAN: kernel-infoleak in _copy_to_user+0x16b/0x1f0 lib/usercopy.c:32
