Re: UBSAN: Undefined behaviour in /root/linux-source-4.14/drivers/vhost/vhost.c:LINE
On Tue, Apr 3, 2018 at 11:07 AM, Eric Biggers <ebiggers3@gmail.com> wrote:
> On Tue, Apr 03, 2018 at 10:56:37AM +0800, Kaipeng Zeng wrote:
>> Syzkaller hit 'UBSAN: Undefined behaviour in
>> /root/linux-source-4.14/drivers/vhost/vhost.c:LINE' bug.
>> Kernel: debian package linux-source-4.14, build with UBSAN enable
>> Log & repro:
>> Syzkaller hit 'UBSAN: Undefined behaviour in
>> /root/linux-source-4.14/drivers/vhost/vhost.c:LINE' bug.
>> tun: Universal TUN/TAP device driver, 1.6
>> ================================================================================
>> UBSAN: Undefined behaviour in /root/linux-source-4.14/drivers/vhost/vhost.c:52:1
>> member access within null pointer of type 'struct rb_root_cached'
>
> You need to send this to the maintainers of the code (use
> scripts/get_maintainer.pl). Otherwise no one will pay attention to it.
>
> Eric
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