On Wed, 31 Jul 2019 01:29:05 -0700, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: fde50b96 Add linux-next specific files for 20190726 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=15ea7f3fa00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=4b58274564b354c1 > dashboard link: https://syzkaller.appspot.com/bug?extid=f5731e2256eb5130dbd6 > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > > Unfortunately, I don't have any reproducer for this crash yet. > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+f5731e2256eb5130d...@syzkaller.appspotmail.com > > ================================================================== > BUG: KASAN: double-free or invalid-free in tls_sk_proto_cleanup+0x216/0x3e0 > net/tls/tls_main.c:300
FWIW there is a fix in the works for this and all new TLS issues. I think John and Eric didn't have time yet to look at my theories, so I'd like to keep it in QA for one extra day before posting.