# https://syzkaller.appspot.com/bug?id=30a6b273c9f604c178b9bde61c4b0461ae7e21b9
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{"repeat":true,"procs":1,"sandbox":"","fault_call":-1,"close_fds":false}
socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
io_setup(0x2000000000000006, &(0x7f00000001c0)=<r1=>0x0)
close(r0)
userfaultfd(0x0)
io_submit(r1, 0x1, &(0x7f0000000600)=[&(0x7f0000000180)={0x0, 0x0, 0x0, 0x5, 0x0, r0, 0x0}])
r2 = userfaultfd(0x0)
ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000140)={0xaa, 0x40})
read(r2, &(0x7f00000000c0)=""/128, 0x80)