# https://syzkaller.appspot.com/bug?id=020917aba613423f033552788edb1a53f2c69809
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{"repeat":true,"procs":1,"slowdown":1,"sandbox":"none","sandbox_arg":0,"netdev":true,"close_fds":true}
r0 = socket(0x10, 0x3, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$ethtool(&(0x7f00000004c0), 0xffffffffffffffff)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f00000007c0)={'batadv_slave_1\x00', <r3=>0x0})
sendmsg$ETHTOOL_MSG_LINKINFO_GET(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x20, r2, 0x1, 0x0, 0x0, {0x1b}, [@HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}]}]}, 0x20}}, 0x0)