Re: net/llc: BUG in llc_sap_state_process/skb_set_owner_r

2017-02-12 Thread Eric Dumazet
On Sun, Feb 12, 2017 at 8:44 AM, Andrey Konovalov wrote: > Hi, > > I've got the following error report while fuzzing the kernel with syzkaller. > > On commit 926af6273fc683cd98cd0ce7bf0d04a02eed6742. > > A reproducer and .config are attached Thanks for the report. llc sets skb->sk without corr

net/llc: BUG in llc_sap_state_process/skb_set_owner_r

2017-02-12 Thread Andrey Konovalov
Hi, I've got the following error report while fuzzing the kernel with syzkaller. On commit 926af6273fc683cd98cd0ce7bf0d04a02eed6742. A reproducer and .config are attached kernel BUG at ./include/linux/skbuff.h:2389! invalid opcode: [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer em