# https://syzkaller.appspot.com/bug?id=f55849742bdcdf58f6eaae61e747ac00e5c061f4 # See https://goo.gl/kgGztJ for information about syzkaller reproducers. #{"procs":1,"slowdown":1,"sandbox":"","sandbox_arg":0,"close_fds":false} mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x80001) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000080)={{&(0x7f00000e2000/0xc00000)=nil, 0xc00000}, 0x7}) ioctl$UFFDIO_WRITEPROTECT(r0, 0xc018aa06, &(0x7f00000000c0)={{&(0x7f000063d000/0x3000)=nil, 0x3000}, 0x1})