syz_genetlink_get_family_id$ethtool(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x28, 0x0, 0x0, 0x70bd2a, 0x25dfdbfb, {}, [@ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x6}, @ETHTOOL_A_LINKINFO_HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x28}}, 0xc000)
ioctl$sock_inet6_SIOCSIFDSTADDR(0xffffffffffffffff, 0x8918, &(0x7f0000000280)={@mcast1, 0x30})
syz_open_pts(0xffffffffffffffff, 0x171200)
r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000002c0), 0x80000, 0x0)
ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0xc)
openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000340), 0x40, 0x0)
ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82)