r0 = clone3(&(0x7f00000008c0)={0x1040100, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, &(0x7f00000005c0)='fdinfo/3\x00')
kcmp$KCMP_EPOLL_TFD(r0, r0, 0x7, 0xffffffffffffffff, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff, 0x7})
ioctl$BTRFS_IOC_START_SYNC(0xffffffffffffffff, 0x80089418, 0x0)