On Fri, Feb 02, 2018 at 02:57:32PM +0100, Dmitry Vyukov wrote: > On Fri, Feb 2, 2018 at 2:48 PM, syzbot > <syzbot+ffa3a158337bbc01ff09@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > > > syzbot hit the following crash on upstream commit > > 7109a04eae81c41ed529da9f3c48c3655ccea741 (Thu Feb 1 17:37:30 2018 +0000) > > Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide > > > > So far this crash happened 4 times on net-next, upstream. > > C reproducer is attached. > > syzkaller reproducer is attached. > > Raw console output is attached. > > compiler: gcc (GCC) 7.1.1 20170620 > > .config is attached. > > > From suspicious frames I see salsa20_asm_crypt there, so +crypto maintainers. > Looks like the x86 implementations of Salsa20 (both i586 and x86_64) need to be updated to not use %ebp/%rbp. - Eric
