r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x42, 0x0)
clone3(&(0x7f00000008c0)={0x1040100, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58)
ioctl$EXT4_IOC_GROUP_EXTEND(r0, 0x40086607, &(0x7f0000000600)=0x7ffffff2)
mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, r0, 0xa159e000)
dup2(0xffffffffffffffff, 0xffffffffffffffff)
syz_genetlink_get_family_id$ethtool(0x0, 0xffffffffffffffff)