# https://syzkaller.appspot.com/bug?id=44b1dd9a2c253efd99e0087b25f20d301e3defa7 # See https://goo.gl/kgGztJ for information about syzkaller reproducers. #{"procs":1,"slowdown":1,"sandbox":"","sandbox_arg":0,"close_fds":false} r0 = userfaultfd(0x80001) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008032, 0xffffffffffffffff, 0xffffc000) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000080)={{&(0x7f00000e2000/0xc00000)=nil, 0xc00000}, 0x2}) ioctl$UFFDIO_WRITEPROTECT(r0, 0xc018aa06, &(0x7f00000000c0)={{&(0x7f0000497000/0x4000)=nil, 0x7fffdfb68000}, 0x1}) mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) mlock(&(0x7f0000000000/0x800000)=nil, 0x800000) migrate_pages(0x0, 0x3, &(0x7f0000000040)=0x7f, &(0x7f0000000300)=0xa)