On Wed, Nov 29, 2017 at 12:33:01AM -0800, syzbot wrote: > Hello, > > syzkaller hit the following crash on > 1ea8d039f9edcfefb20d8ddfe136930f6e551529 > git://git.cmpxchg.org/linux-mmots.git/master > compiler: gcc (GCC) 7.1.1 20170620 > .config is attached > Raw console output is attached. > > Unfortunately, I don't have any reproducer for this bug yet. > > > device gre0 entered promiscuous mode > ================================================================== > BUG: KASAN: stack-out-of-bounds in __le32_to_cpup > include/uapi/linux/byteorder/little_endian.h:58 [inline] > BUG: KASAN: stack-out-of-bounds in le32_to_cpuvp > crypto/chacha20_generic.c:19 [inline] > BUG: KASAN: stack-out-of-bounds in crypto_chacha20_init > crypto/chacha20_generic.c:58 [inline] > BUG: KASAN: stack-out-of-bounds in crypto_chacha20_crypt+0xaf1/0xbd0 > crypto/chacha20_generic.c:91 > Read of size 4 at addr ffff8801d1547630 by task syz-executor3/15071 > #syz dup: general protection fault in crypto_chacha20_crypt
