r0 = signalfd4(0xffffffffffffffff, &(0x7f00000000c0), 0x8, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000180)='fdinfo/3\x00') close(r0) syz_open_dev$tty20(0xc, 0x4, 0x0) pread64(r1, &(0x7f0000000000)=""/122, 0x7a, 0x0)