# https://syzkaller.appspot.com/bug?id=43e90142e4bacf3df42a366ff47a94b7a43d07e0
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{"threaded":true,"repeat":true,"procs":6,"slowdown":1,"sandbox":"none","close_fds":false,"tmpdir":true,"segv":true}
r0 = openat(0xffffffffffffffff, &(0x7f0000001640)='/proc/self/exe\x00', 0x0, 0x0)
preadv(r0, &(0x7f0000001580)=[{0x0}], 0x1, 0x0)
mmap(&(0x7f000044e000/0x3000)=nil, 0x3000, 0x3, 0x10, r0, 0x0, 0x0)
mkdir(&(0x7f00000011c0)='./file0\x00', 0x0)
compat_40_mount(&(0x7f0000000140)='overlay\x00', &(0x7f0000000080)='./file0\x00', 0x89, &(0x7f00000000c0))
unmount(&(0x7f0000000000)='./file0\x00', 0x20)
unmount(&(0x7f0000000040)='./file0\x00', 0x40000000)