# https://syzkaller.appspot.com/bug?id=09b56d900d511e06f0f5331c2afb941aa083e198
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{"procs":1,"slowdown":1,"sandbox":"none","sandbox_arg":0,"close_fds":false,"vhci":true,"swap":true,"callcomments":true}
mlock(&(0x7f0000ffe000/0x2000)=nil, 0x2000)
munlock(&(0x7f0000ffc000/0x4000)=nil, 0x4000)
madvise(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x15)
r0 = userfaultfd(0x801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040)={0xaa, 0x10})
ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000080)={{&(0x7f0000ffd000/0x3000)=nil, 0x3000}, 0x2})
ioctl$UFFDIO_WRITEPROTECT(r0, 0xc018aa06, &(0x7f00000000c0)={{&(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x1})
ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000200)={{&(0x7f0000ffc000/0x3000)=nil, 0x3000}, 0x1})
ioctl$UFFDIO_UNREGISTER(r0, 0x8010aa01, &(0x7f0000000240)={&(0x7f0000ffb000/0x3000)=nil, 0x3000})
mlock(&(0x7f0000ffd000/0x3000)=nil, 0x3000)