lkml.org 
[lkml]   [2019]   [Aug]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: WARNING in aa_sock_msg_perm
From
Date
On 2019/08/12 21:30, syzbot wrote:
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit: fcc32a21 liquidio: Use pcie_flr() instead of reimplementin..
> git tree: net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=11233726600000
> kernel config: https://syzkaller.appspot.com/x/.config?x=d4cf1ffb87d590d7
> dashboard link: https://syzkaller.appspot.com/bug?extid=cda1ac91660a61b51495
> compiler: gcc (GCC) 9.0.0 20181231 (experimental)

> ------------[ cut here ]------------
> AppArmor WARN aa_sock_msg_perm: ((!sock)):

This is not AppArmor's bug. LSM modules expect that "struct socket" is not NULL.
For some reason, peer->local->socket became NULL. Thus, suspecting rxrpc's bug.

> rxrpc_send_keepalive+0x1ff/0x940 net/rxrpc/output.c:656

\
 
 \ /
  Last update: 2019-08-12 15:55    [W:0.259 / U:0.264 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site