signalfd4(0xffffffffffffffff, &(0x7f0000000140)={[0x3fd]}, 0x8, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='fdinfo/3\x00') pread64(r0, &(0x7f0000001100)=""/4095, 0xae3, 0x0)