Getting "index is not configured" error while fuzzing an ARM arch.

[Manideep-Bhupalam]

running> tsffs.log-level 4
[tsffs] Changing log level: 1 -> 4
[tsffs info] Got magic instruction with magic #1)
[tsffs info] Magic instruction 1 was triggered by processor 0x55555d656910 with index 2129111884 but the index is not configured for this magic number or start/stop on harness was disabled. Configured indices are: start: 0, stop: [0], assert: [0]
[tsffs info] Got magic instruction with magic #4)
[tsffs info] Magic instruction 4 was triggered by processor 0x55555d656910 with index 2129111884 but the index is not configured for this magic number or start/stop on harness was disabled. Configured indices are: start: 0, stop: [0], assert: [0]

For reference, Discord discussion on this issue:
https://discord.com/channels/736989425770168422/850283052773015573/1418637688516509757

[Manideep-Bhupalam]

Disassemble of the program:

bash-4.4$ arm-openbmc-linux-gnueabi-objdump -d a.out 

a.out:     file format elf32-littlearm


Disassembly of section .init:

00000548 <_init>:
 548:   e92d4008        push    {r3, lr}
 54c:   eb000088        bl      774 <call_weak_fn>
 550:   e8bd8008        pop     {r3, pc}

Disassembly of section .plt:

00000554 <.plt>:
 554:   e52de004        push    {lr}            @ (str lr, [sp, #-4]!)
 558:   e59fe004        ldr     lr, [pc, #4]    @ 564 <.plt+0x10>
 55c:   e08fe00e        add     lr, pc, lr
 560:   e5bef008        ldr     pc, [lr, #8]!
 564:   00001a9c        .word   0x00001a9c

00000568 <__libc_start_main@plt>:
 568:   e28fc600        add     ip, pc, #0, 12
 56c:   e28cca01        add     ip, ip, #4096   @ 0x1000
 570:   e5bcfa9c        ldr     pc, [ip, #2716]!        @ 0xa9c

00000574 <__cxa_finalize@plt>:
 574:   e28fc600        add     ip, pc, #0, 12
 578:   e28cca01        add     ip, ip, #4096   @ 0x1000
 57c:   e5bcfa94        ldr     pc, [ip, #2708]!        @ 0xa94

00000580 <fflush@plt>:
 580:   e28fc600        add     ip, pc, #0, 12
 584:   e28cca01        add     ip, ip, #4096   @ 0x1000
 588:   e5bcfa8c        ldr     pc, [ip, #2700]!        @ 0xa8c

0000058c <sleep@plt>:
 58c:   e28fc600        add     ip, pc, #0, 12
 590:   e28cca01        add     ip, ip, #4096   @ 0x1000
 594:   e5bcfa84        ldr     pc, [ip, #2692]!        @ 0xa84

00000598 <__stack_chk_fail@plt>:
 598:   e28fc600        add     ip, pc, #0, 12
 59c:   e28cca01        add     ip, ip, #4096   @ 0x1000
 5a0:   e5bcfa7c        ldr     pc, [ip, #2684]!        @ 0xa7c

000005a4 <puts@plt>:
 5a4:   e28fc600        add     ip, pc, #0, 12
 5a8:   e28cca01        add     ip, ip, #4096   @ 0x1000
 5ac:   e5bcfa74        ldr     pc, [ip, #2676]!        @ 0xa74

000005b0 <__gmon_start__@plt>:
 5b0:   e28fc600        add     ip, pc, #0, 12
 5b4:   e28cca01        add     ip, ip, #4096   @ 0x1000
 5b8:   e5bcfa6c        ldr     pc, [ip, #2668]!        @ 0xa6c

000005bc <putchar@plt>:
 5bc:   e28fc600        add     ip, pc, #0, 12
 5c0:   e28cca01        add     ip, ip, #4096   @ 0x1000
 5c4:   e5bcfa64        ldr     pc, [ip, #2660]!        @ 0xa64

000005c8 <__printf_chk@plt>:
 5c8:   e28fc600        add     ip, pc, #0, 12
 5cc:   e28cca01        add     ip, ip, #4096   @ 0x1000
 5d0:   e5bcfa5c        ldr     pc, [ip, #2652]!        @ 0xa5c

000005d4 <abort@plt>:
 5d4:   e28fc600        add     ip, pc, #0, 12
 5d8:   e28cca01        add     ip, ip, #4096   @ 0x1000
 5dc:   e5bcfa54        ldr     pc, [ip, #2644]!        @ 0xa54

Disassembly of section .text:

000005e0 <main>:
 5e0:   e92d46f0        push    {r4, r5, r6, r7, r9, sl, lr}
 5e4:   e3a02008        mov     r2, #8
 5e8:   e59f1120        ldr     r1, [pc, #288]  @ 710 <main+0x130>
 5ec:   e24dd01c        sub     sp, sp, #28
 5f0:   e59f311c        ldr     r3, [pc, #284]  @ 714 <main+0x134>
 5f4:   e08f1001        add     r1, pc, r1
 5f8:   e28d700c        add     r7, sp, #12
 5fc:   e08f3003        add     r3, pc, r3
 600:   e59f5110        ldr     r5, [pc, #272]  @ 718 <main+0x138>
 604:   e58d2000        str     r2, [sp]
 608:   e28d4008        add     r4, sp, #8
 60c:   e58d2008        str     r2, [sp, #8]
 610:   e08f5005        add     r5, pc, r5
 614:   e59f2100        ldr     r2, [pc, #256]  @ 71c <main+0x13c>
 618:   e59f6100        ldr     r6, [pc, #256]  @ 720 <main+0x140>
 61c:   e08f6006        add     r6, pc, r6
 620:   e7912002        ldr     r2, [r1, r2]
 624:   e8930003        ldm     r3, {r0, r1}
 628:   e5922000        ldr     r2, [r2]
 62c:   e58d2014        str     r2, [sp, #20]
 630:   e3a02000        mov     r2, #0
 634:   e1a03004        mov     r3, r4
 638:   e1a02007        mov     r2, r7
 63c:   e8870003        stm     r7, {r0, r1}
 640:   e1a01005        mov     r1, r5
 644:   e3a00001        mov     r0, #1
 648:   ebffffde        bl      5c8 <__printf_chk@plt>
 64c:   e59f30d0        ldr     r3, [pc, #208]  @ 724 <main+0x144>
 650:   e7963003        ldr     r3, [r6, r3]
 654:   e5930000        ldr     r0, [r3]
 658:   ebffffc8        bl      580 <fflush@plt>
 65c:   e3a00003        mov     r0, #3
 660:   ebffffc9        bl      58c <sleep@plt>
 664:   e1a0a007        mov     sl, r7
 668:   e1a09004        mov     r9, r4
 66c:   e1811001        orr     r1, r1, r1
 670:   e59d0008        ldr     r0, [sp, #8]
 674:   e1a03004        mov     r3, r4
 678:   e58d0000        str     r0, [sp]
 67c:   e1a02007        mov     r2, r7
 680:   e1a01005        mov     r1, r5
 684:   e3a00001        mov     r0, #1
 688:   ebffffce        bl      5c8 <__printf_chk@plt>
 68c:   e59d3008        ldr     r3, [sp, #8]
 690:   e3530000        cmp     r3, #0
 694:   0a00000b        beq     6c8 <main+0xe8>
 698:   e59f6088        ldr     r6, [pc, #136]  @ 728 <main+0x148>
 69c:   e1a05007        mov     r5, r7
 6a0:   e3a04000        mov     r4, #0
 6a4:   e08f6006        add     r6, pc, r6
 6a8:   e4d52001        ldrb    r2, [r5], #1
 6ac:   e1a01006        mov     r1, r6
 6b0:   e3a00001        mov     r0, #1
 6b4:   e2844001        add     r4, r4, #1
 6b8:   ebffffc2        bl      5c8 <__printf_chk@plt>
 6bc:   e59d3008        ldr     r3, [sp, #8]
 6c0:   e1530004        cmp     r3, r4
 6c4:   8afffff7        bhi     6a8 <main+0xc8>
 6c8:   e3a0000a        mov     r0, #10
 6cc:   ebffffba        bl      5bc <putchar@plt>
 6d0:   e1a00007        mov     r0, r7
 6d4:   eb00006f        bl      898 <_Z5checkPc>
 6d8:   e1844004        orr     r4, r4, r4
 6dc:   e59f2048        ldr     r2, [pc, #72]   @ 72c <main+0x14c>
 6e0:   e59f3034        ldr     r3, [pc, #52]   @ 71c <main+0x13c>
 6e4:   e08f2002        add     r2, pc, r2
 6e8:   e7923003        ldr     r3, [r2, r3]
 6ec:   e5932000        ldr     r2, [r3]
 6f0:   e59d3014        ldr     r3, [sp, #20]
 6f4:   e0332002        eors    r2, r3, r2
 6f8:   e3a03000        mov     r3, #0
 6fc:   1a000002        bne     70c <main+0x12c>
 700:   e3a00000        mov     r0, #0
 704:   e28dd01c        add     sp, sp, #28
 708:   e8bd86f0        pop     {r4, r5, r6, r7, r9, sl, pc}
 70c:   ebffffa1        bl      598 <__stack_chk_fail@plt>
 710:   00001a04        .word   0x00001a04
 714:   00000428        .word   0x00000428
 718:   000003fc        .word   0x000003fc
 71c:   0000003c        .word   0x0000003c
 720:   000019dc        .word   0x000019dc
 724:   00000044        .word   0x00000044
 728:   00000378        .word   0x00000378
 72c:   00001914        .word   0x00001914

00000730 <_start>:
 730:   e3a0b000        mov     fp, #0
 734:   e3a0e000        mov     lr, #0
 738:   e49d1004        pop     {r1}            @ (ldr r1, [sp], #4)
 73c:   e1a0200d        mov     r2, sp
 740:   e52d2004        push    {r2}            @ (str r2, [sp, #-4]!)
 744:   e52d0004        push    {r0}            @ (str r0, [sp, #-4]!)
 748:   e59fa01c        ldr     sl, [pc, #28]   @ 76c <_start+0x3c>
 74c:   e28f3018        add     r3, pc, #24
 750:   e08aa003        add     sl, sl, r3
 754:   e3a03000        mov     r3, #0
 758:   e52d3004        push    {r3}            @ (str r3, [sp, #-4]!)
 75c:   e59f000c        ldr     r0, [pc, #12]   @ 770 <_start+0x40>
 760:   e79a0000        ldr     r0, [sl, r0]
 764:   ebffff7f        bl      568 <__libc_start_main@plt>
 768:   ebffff99        bl      5d4 <abort@plt>
 76c:   00001894        .word   0x00001894
 770:   00000048        .word   0x00000048

00000774 <call_weak_fn>:
 774:   e59f3014        ldr     r3, [pc, #20]   @ 790 <call_weak_fn+0x1c>
 778:   e59f2014        ldr     r2, [pc, #20]   @ 794 <call_weak_fn+0x20>
 77c:   e08f3003        add     r3, pc, r3
 780:   e7932002        ldr     r2, [r3, r2]
 784:   e3520000        cmp     r2, #0
 788:   012fff1e        bxeq    lr
 78c:   eaffff87        b       5b0 <__gmon_start__@plt>
 790:   0000187c        .word   0x0000187c
 794:   00000040        .word   0x00000040

00000798 <deregister_tm_clones>:
 798:   e59f002c        ldr     r0, [pc, #44]   @ 7cc <deregister_tm_clones+0x34>
 79c:   e59f302c        ldr     r3, [pc, #44]   @ 7d0 <deregister_tm_clones+0x38>
 7a0:   e08f0000        add     r0, pc, r0
 7a4:   e59f2028        ldr     r2, [pc, #40]   @ 7d4 <deregister_tm_clones+0x3c>
 7a8:   e08f3003        add     r3, pc, r3
 7ac:   e1530000        cmp     r3, r0
 7b0:   e08f2002        add     r2, pc, r2
 7b4:   012fff1e        bxeq    lr
 7b8:   e59f3018        ldr     r3, [pc, #24]   @ 7d8 <deregister_tm_clones+0x40>
 7bc:   e7923003        ldr     r3, [r2, r3]
 7c0:   e3530000        cmp     r3, #0
 7c4:   012fff1e        bxeq    lr
 7c8:   e12fff13        bx      r3
 7cc:   000018b4        .word   0x000018b4
 7d0:   000018ac        .word   0x000018ac
 7d4:   00001848        .word   0x00001848
 7d8:   00000038        .word   0x00000038

000007dc <register_tm_clones>:
 7dc:   e59f0038        ldr     r0, [pc, #56]   @ 81c <register_tm_clones+0x40>
 7e0:   e59f3038        ldr     r3, [pc, #56]   @ 820 <register_tm_clones+0x44>
 7e4:   e08f0000        add     r0, pc, r0
 7e8:   e59f2034        ldr     r2, [pc, #52]   @ 824 <register_tm_clones+0x48>
 7ec:   e08f3003        add     r3, pc, r3
 7f0:   e0433000        sub     r3, r3, r0
 7f4:   e08f2002        add     r2, pc, r2
 7f8:   e1a01fa3        lsr     r1, r3, #31
 7fc:   e0811143        add     r1, r1, r3, asr #2
 800:   e1b010c1        asrs    r1, r1, #1
 804:   012fff1e        bxeq    lr
 808:   e59f3018        ldr     r3, [pc, #24]   @ 828 <register_tm_clones+0x4c>
 80c:   e7923003        ldr     r3, [r2, r3]
 810:   e3530000        cmp     r3, #0
 814:   012fff1e        bxeq    lr
 818:   e12fff13        bx      r3
 81c:   00001870        .word   0x00001870
 820:   00001868        .word   0x00001868
 824:   00001804        .word   0x00001804
 828:   0000004c        .word   0x0000004c

0000082c <__do_global_dtors_aux>:
 82c:   e59f304c        ldr     r3, [pc, #76]   @ 880 <__do_global_dtors_aux+0x54>
 830:   e59f204c        ldr     r2, [pc, #76]   @ 884 <__do_global_dtors_aux+0x58>
 834:   e08f3003        add     r3, pc, r3
 838:   e08f2002        add     r2, pc, r2
 83c:   e5d33000        ldrb    r3, [r3]
 840:   e3530000        cmp     r3, #0
 844:   112fff1e        bxne    lr
 848:   e59f3038        ldr     r3, [pc, #56]   @ 888 <__do_global_dtors_aux+0x5c>
 84c:   e92d4010        push    {r4, lr}
 850:   e7923003        ldr     r3, [r2, r3]
 854:   e3530000        cmp     r3, #0
 858:   0a000002        beq     868 <__do_global_dtors_aux+0x3c>
 85c:   e59f3028        ldr     r3, [pc, #40]   @ 88c <__do_global_dtors_aux+0x60>
 860:   e79f0003        ldr     r0, [pc, r3]
 864:   ebffff42        bl      574 <__cxa_finalize@plt>
 868:   ebffffca        bl      798 <deregister_tm_clones>
 86c:   e59f301c        ldr     r3, [pc, #28]   @ 890 <__do_global_dtors_aux+0x64>
 870:   e3a02001        mov     r2, #1
 874:   e08f3003        add     r3, pc, r3
 878:   e5c32000        strb    r2, [r3]
 87c:   e8bd8010        pop     {r4, pc}
 880:   00001820        .word   0x00001820
 884:   000017c0        .word   0x000017c0
 888:   00000034        .word   0x00000034
 88c:   000017ec        .word   0x000017ec
 890:   000017e0        .word   0x000017e0

00000894 <frame_dummy>:
 894:   eaffffd0        b       7dc <register_tm_clones>

00000898 <_Z5checkPc>:
 898:   e59f30b0        ldr     r3, [pc, #176]  @ 950 <_Z5checkPc+0xb8>
 89c:   e5d01000        ldrb    r1, [r0]
 8a0:   e08f3003        add     r3, pc, r3
 8a4:   e5933000        ldr     r3, [r3]
 8a8:   e5d32000        ldrb    r2, [r3]
 8ac:   e1510002        cmp     r1, r2
 8b0:   0a000001        beq     8bc <_Z5checkPc+0x24>
 8b4:   e3a00000        mov     r0, #0
 8b8:   e12fff1e        bx      lr
 8bc:   e5d01001        ldrb    r1, [r0, #1]
 8c0:   e5d32001        ldrb    r2, [r3, #1]
 8c4:   e1510002        cmp     r1, r2
 8c8:   1afffff9        bne     8b4 <_Z5checkPc+0x1c>
 8cc:   e5d01002        ldrb    r1, [r0, #2]
 8d0:   e5d32002        ldrb    r2, [r3, #2]
 8d4:   e1510002        cmp     r1, r2
 8d8:   1afffff5        bne     8b4 <_Z5checkPc+0x1c>
 8dc:   e5d01003        ldrb    r1, [r0, #3]
 8e0:   e5d32003        ldrb    r2, [r3, #3]
 8e4:   e1510002        cmp     r1, r2
 8e8:   1afffff1        bne     8b4 <_Z5checkPc+0x1c>
 8ec:   e5d01004        ldrb    r1, [r0, #4]
 8f0:   e5d32004        ldrb    r2, [r3, #4]
 8f4:   e1510002        cmp     r1, r2
 8f8:   1affffed        bne     8b4 <_Z5checkPc+0x1c>
 8fc:   e5d01005        ldrb    r1, [r0, #5]
 900:   e5d32005        ldrb    r2, [r3, #5]
 904:   e1510002        cmp     r1, r2
 908:   1affffe9        bne     8b4 <_Z5checkPc+0x1c>
 90c:   e5d01006        ldrb    r1, [r0, #6]
 910:   e5d32006        ldrb    r2, [r3, #6]
 914:   e1510002        cmp     r1, r2
 918:   1affffe5        bne     8b4 <_Z5checkPc+0x1c>
 91c:   e5d02007        ldrb    r2, [r0, #7]
 920:   e5d33007        ldrb    r3, [r3, #7]
 924:   e1520003        cmp     r2, r3
 928:   1affffe1        bne     8b4 <_Z5checkPc+0x1c>
 92c:   e59f0020        ldr     r0, [pc, #32]   @ 954 <_Z5checkPc+0xbc>
 930:   e92d4010        push    {r4, lr}
 934:   e08f0000        add     r0, pc, r0
 938:   ebffff19        bl      5a4 <puts@plt>
 93c:   e3e03000        mvn     r3, #0
 940:   e3a02000        mov     r2, #0
 944:   e3a00000        mov     r0, #0
 948:   e5c32000        strb    r2, [r3]
 94c:   e8bd8010        pop     {r4, pc}
 950:   000017b0        .word   0x000017b0
 954:   000000b8        .word   0x000000b8

Disassembly of section .fini:

00000958 <_fini>:
 958:   e92d4008        push    {r3, lr}
 95c:   e8bd8008        pop     {r3, pc}