# https://syzkaller.appspot.com/bug?id=b1bcbf8868f8fa685c7ae873b211a351129fbc90
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{"threaded":true,"repeat":true,"procs":1,"slowdown":1,"sandbox":"","sandbox_arg":0,"close_fds":false,"callcomments":true}
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
r0 = userfaultfd(0x80001)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0))
ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000080)={{&(0x7f0000000000/0x800000)=nil, 0x800000}, 0x1})
mremap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x400000, 0x3, &(0x7f0000c00000/0x400000)=nil) (fail_nth: 19)