# https://syzkaller.appspot.com/bug?id=9f86fabfdd07b7257ccd37a8c105a58b162fa356
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{"threaded":true,"collide":true,"repeat":true,"procs":6,"sandbox":"none","fault_call":-1,"tun":true,"netdev":true,"resetnet":true,"cgroups":true,"binfmt_misc":true,"close_fds":true,"tmpdir":true,"segv":true}
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
io_setup(0x8, &(0x7f0000000100)=<r2=>0x0)
close(r1)
r3 = dup3(r0, r0, 0x80000)
ioctl$UFFDIO_ZEROPAGE(r3, 0xc020aa04, 0x0)
io_submit(r2, 0x1, &(0x7f0000000600)=[&(0x7f0000000180)={0x0, 0x0, 0x0, 0x5, 0x0, r1, 0x0}])
r4 = userfaultfd(0x0)
ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000380)={0xaa, 0x74})
read(r4, &(0x7f0000009f9c)=""/100, 0x64)