pipe2(&(0x7f0000000580)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x0)
r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f00000000c0)='mountinfo\x00')
sendfile(r0, r1, &(0x7f00000005c0)=0x696, 0x3f)