r0 = syz_open_dev$loop(&(0x7f00000016c0), 0x0, 0x0)
ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c08, 0x1000)
open_tree(0xffffffffffffffff, &(0x7f0000000000)='./file1\x00', 0x1000)
ioctl$EXT4_IOC_GROUP_EXTEND(0xffffffffffffffff, 0x40086607, &(0x7f00000004c0))
epoll_create1(0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x105142, 0x0)
open_tree(r1, 0x0, 0x1000)
ioctl$EXT4_IOC_GROUP_EXTEND(r1, 0x40086607, &(0x7f00000004c0))