Re: KASAN: slab-out-of-bounds Read in tls_write_space

[Jakub Kicinski]

On Tue, 25 Sep 2018 16:54:03 -0700, syzbot wrote:
> Hello,
> 
> syzbot found the following crash on:
> 
> HEAD commit:    bd4d08daeb95 Merge branch 'net-dsa-b53-SGMII-modes-fixes'
> git tree:       net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=110b6a1a400000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=e79b9299baeb2298
> dashboard link: https://syzkaller.appspot.com/bug?extid=12638b747fd208f6cff0
> compiler:       gcc (GCC) 8.0.1 20180413 (experimental)
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=167d9b9e400000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15c4003a400000
> 
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+12638b747fd208f6cff0@xxxxxxxxxxxxxxxxxxxxxxxxx

#syz dup: general protection fault in tls_write_space