r2 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0)
sendfile(r0, r2, 0x0, 0x100000001)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='mountinfo\x00')
fchmod(r3, 0x0)
ioctl$LOOP_CTL_GET_FREE(r3, 0x4c82)
BUG: leak checking failed