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qemu-e2k/tests/qtest/fuzz-sdcard-test.c
Philippe Mathieu-Daudé 27801168ec tests/qtest/fuzz-sdcard-test: Add reproducer for OSS-Fuzz (Issue 29225) 
Include the qtest reproducer provided by Alexander Bulekov
in https://gitlab.com/qemu-project/qemu/-/issues/451. Without
the previous commit, we get:

  $ make check-qtest-i386
  ...
  Running test qtest-i386/fuzz-sdcard-test
  ==447470==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x61500002a080 at pc 0x564c71766d48 bp 0x7ffc126c62b0 sp 0x7ffc126c62a8
  READ of size 1 at 0x61500002a080 thread T0
      #0 0x564c71766d47 in sdhci_read_dataport hw/sd/sdhci.c:474:18
      #1 0x564c7175f139 in sdhci_read hw/sd/sdhci.c:1022:19
      #2 0x564c721b937b in memory_region_read_accessor softmmu/memory.c:440:11
      #3 0x564c72171e51 in access_with_adjusted_size softmmu/memory.c:554:18
      #4 0x564c7216f47c in memory_region_dispatch_read1 softmmu/memory.c:1424:16
      #5 0x564c7216ebb9 in memory_region_dispatch_read softmmu/memory.c:1452:9
      #6 0x564c7212db5d in flatview_read_continue softmmu/physmem.c:2879:23
      #7 0x564c7212f958 in flatview_read softmmu/physmem.c:2921:12
      #8 0x564c7212f418 in address_space_read_full softmmu/physmem.c:2934:18
      #9 0x564c721305a9 in address_space_rw softmmu/physmem.c:2962:16
      #10 0x564c7175a392 in dma_memory_rw_relaxed include/sysemu/dma.h:89:12
      #11 0x564c7175a0ea in dma_memory_rw include/sysemu/dma.h:132:12
      #12 0x564c71759684 in dma_memory_read include/sysemu/dma.h:152:12
      #13 0x564c7175518c in sdhci_do_adma hw/sd/sdhci.c:823:27
      #14 0x564c7174bf69 in sdhci_data_transfer hw/sd/sdhci.c:935:13
      #15 0x564c7176aaa7 in sdhci_send_command hw/sd/sdhci.c:376:9
      #16 0x564c717629ee in sdhci_write hw/sd/sdhci.c:1212:9
      #17 0x564c72172513 in memory_region_write_accessor softmmu/memory.c:492:5
      #18 0x564c72171e51 in access_with_adjusted_size softmmu/memory.c:554:18
      #19 0x564c72170766 in memory_region_dispatch_write softmmu/memory.c:1504:16
      #20 0x564c721419ee in flatview_write_continue softmmu/physmem.c:2812:23
      #21 0x564c721301eb in flatview_write softmmu/physmem.c:2854:12
      #22 0x564c7212fca8 in address_space_write softmmu/physmem.c:2950:18
      #23 0x564c721d9a53 in qtest_process_command softmmu/qtest.c:727:9

  0x61500002a080 is located 0 bytes to the right of 512-byte region [0x615000029e80,0x61500002a080)
  allocated by thread T0 here:
      #0 0x564c708e1737 in __interceptor_calloc (qemu-system-i386+0x1e6a737)
      #1 0x7ff05567b5e0 in g_malloc0 (/lib64/libglib-2.0.so.0+0x5a5e0)
      #2 0x564c71774adb in sdhci_pci_realize hw/sd/sdhci-pci.c:36:5

  SUMMARY: AddressSanitizer: heap-buffer-overflow hw/sd/sdhci.c:474:18 in sdhci_read_dataport
  Shadow bytes around the buggy address:
    0x0c2a7fffd3c0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
    0x0c2a7fffd3d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    0x0c2a7fffd3e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    0x0c2a7fffd3f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    0x0c2a7fffd400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  =>0x0c2a7fffd410:[fa]fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
    0x0c2a7fffd420: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
    0x0c2a7fffd430: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
    0x0c2a7fffd440: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
    0x0c2a7fffd450: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
    0x0c2a7fffd460: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  Shadow byte legend (one shadow byte represents 8 application bytes):
    Addressable:           00
    Heap left redzone:       fa
    Freed heap region:       fd
  ==447470==ABORTING
  Broken pipe
  ERROR qtest-i386/fuzz-sdcard-test - too few tests run (expected 3, got 2)

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20211215205656.488940-4-philmd@redhat.com>
[thuth: Replaced "-m 4G" with "-m 512M"]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-03-21 14:05:42 +01:00

179 lines
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/*
* QTest fuzzer-generated testcase for sdcard device
*
* Copyright (c) 2021 Philippe Mathieu-Daudé <f4bug@amsat.org>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "qemu/osdep.h"
#include "libqos/libqtest.h"
/*
* https://gitlab.com/qemu-project/qemu/-/issues/450
* Used to trigger:
* Assertion `wpnum < sd->wpgrps_size' failed.
*/
static void oss_fuzz_29225(void)
{
QTestState *s;
s = qtest_init(" -display none -m 512m -nodefaults -nographic"
" -device sdhci-pci,sd-spec-version=3"
" -device sd-card,drive=d0"
" -drive if=none,index=0,file=null-co://,format=raw,id=d0");
qtest_outl(s, 0xcf8, 0x80001010);
qtest_outl(s, 0xcfc, 0xd0690);
qtest_outl(s, 0xcf8, 0x80001003);
qtest_outl(s, 0xcf8, 0x80001013);
qtest_outl(s, 0xcfc, 0xffffffff);
qtest_outl(s, 0xcf8, 0x80001003);
qtest_outl(s, 0xcfc, 0x3effe00);
qtest_bufwrite(s, 0xff0d062c, "\xff", 0x1);
qtest_bufwrite(s, 0xff0d060f, "\xb7", 0x1);
qtest_bufwrite(s, 0xff0d060a, "\xc9", 0x1);
qtest_bufwrite(s, 0xff0d060f, "\x29", 0x1);
qtest_bufwrite(s, 0xff0d060f, "\xc2", 0x1);
qtest_bufwrite(s, 0xff0d0628, "\xf7", 0x1);
qtest_bufwrite(s, 0x0, "\xe3", 0x1);
qtest_bufwrite(s, 0x7, "\x13", 0x1);
qtest_bufwrite(s, 0x8, "\xe3", 0x1);
qtest_bufwrite(s, 0xf, "\xe3", 0x1);
qtest_bufwrite(s, 0xff0d060f, "\x03", 0x1);
qtest_bufwrite(s, 0xff0d0605, "\x01", 0x1);
qtest_bufwrite(s, 0xff0d060b, "\xff", 0x1);
qtest_bufwrite(s, 0xff0d060c, "\xff", 0x1);
qtest_bufwrite(s, 0xff0d060e, "\xff", 0x1);
qtest_bufwrite(s, 0xff0d060f, "\x06", 0x1);
qtest_bufwrite(s, 0xff0d060f, "\x9e", 0x1);
qtest_quit(s);
}
/*
* https://gitlab.com/qemu-project/qemu/-/issues/495
* Used to trigger:
* Assertion `wpnum < sd->wpgrps_size' failed.
*/
static void oss_fuzz_36217(void)
{
QTestState *s;
s = qtest_init(" -display none -m 32 -nodefaults -nographic"
" -device sdhci-pci,sd-spec-version=3 "
"-device sd-card,drive=d0 "
"-drive if=none,index=0,file=null-co://,format=raw,id=d0");
qtest_outl(s, 0xcf8, 0x80001010);
qtest_outl(s, 0xcfc, 0xe0000000);
qtest_outl(s, 0xcf8, 0x80001004);
qtest_outw(s, 0xcfc, 0x02);
qtest_bufwrite(s, 0xe000002c, "\x05", 0x1);
qtest_bufwrite(s, 0xe000000f, "\x37", 0x1);
qtest_bufwrite(s, 0xe000000a, "\x01", 0x1);
qtest_bufwrite(s, 0xe000000f, "\x29", 0x1);
qtest_bufwrite(s, 0xe000000f, "\x02", 0x1);
qtest_bufwrite(s, 0xe000000f, "\x03", 0x1);
qtest_bufwrite(s, 0xe0000005, "\x01", 0x1);
qtest_bufwrite(s, 0xe000000f, "\x06", 0x1);
qtest_bufwrite(s, 0xe000000c, "\x05", 0x1);
qtest_bufwrite(s, 0xe000000e, "\x20", 0x1);
qtest_bufwrite(s, 0xe000000f, "\x08", 0x1);
qtest_bufwrite(s, 0xe000000b, "\x3d", 0x1);
qtest_bufwrite(s, 0xe000000f, "\x1e", 0x1);
qtest_quit(s);
}
/*
* https://gitlab.com/qemu-project/qemu/-/issues/451
* Used to trigger a heap buffer overflow.
*/
static void oss_fuzz_36391(void)
{
QTestState *s;
s = qtest_init(" -display none -m 512M -nodefaults -nographic"
" -device sdhci-pci,sd-spec-version=3"
" -device sd-card,drive=drv"
" -drive if=none,index=0,file=null-co://,format=raw,id=drv");
qtest_outl(s, 0xcf8, 0x80001010);
qtest_outl(s, 0xcfc, 0xe0000000);
qtest_outl(s, 0xcf8, 0x80001004);
qtest_outw(s, 0xcfc, 0x7);
qtest_bufwrite(s, 0xe0000005, "\x73", 0x1);
qtest_bufwrite(s, 0xe0000028, "\x55", 0x1);
qtest_bufwrite(s, 0xe000002c, "\x55", 0x1);
qtest_bufwrite(s, 0x0, "\x65", 0x1);
qtest_bufwrite(s, 0x7, "\x69", 0x1);
qtest_bufwrite(s, 0x8, "\x65", 0x1);
qtest_bufwrite(s, 0xf, "\x69", 0x1);
qtest_bufwrite(s, 0x10, "\x65", 0x1);
qtest_bufwrite(s, 0x17, "\x69", 0x1);
qtest_bufwrite(s, 0x18, "\x65", 0x1);
qtest_bufwrite(s, 0x1f, "\x69", 0x1);
qtest_bufwrite(s, 0x20, "\x65", 0x1);
qtest_bufwrite(s, 0x27, "\x69", 0x1);
qtest_bufwrite(s, 0x28, "\x65", 0x1);
qtest_bufwrite(s, 0x2f, "\x69", 0x1);
qtest_bufwrite(s, 0x30, "\x65", 0x1);
qtest_bufwrite(s, 0x37, "\x69", 0x1);
qtest_bufwrite(s, 0x38, "\x65", 0x1);
qtest_bufwrite(s, 0x3f, "\x69", 0x1);
qtest_bufwrite(s, 0x40, "\x65", 0x1);
qtest_bufwrite(s, 0x47, "\x69", 0x1);
qtest_bufwrite(s, 0x48, "\x65", 0x1);
qtest_bufwrite(s, 0xe000000c, "\x55", 0x1);
qtest_bufwrite(s, 0xe000000e, "\x2c", 0x1);
qtest_bufwrite(s, 0xe000000f, "\x5b", 0x1);
qtest_bufwrite(s, 0xe0000010, "\x06\x46", 0x2);
qtest_bufwrite(s, 0x50, "\x65", 0x1);
qtest_bufwrite(s, 0x57, "\x69", 0x1);
qtest_bufwrite(s, 0x58, "\x65", 0x1);
qtest_bufwrite(s, 0x5f, "\x69", 0x1);
qtest_bufwrite(s, 0x60, "\x65", 0x1);
qtest_bufwrite(s, 0x67, "\x69", 0x1);
qtest_bufwrite(s, 0x68, "\x65", 0x1);
qtest_bufwrite(s, 0x6f, "\x69", 0x1);
qtest_bufwrite(s, 0x70, "\x65", 0x1);
qtest_bufwrite(s, 0x77, "\x69", 0x1);
qtest_bufwrite(s, 0x78, "\x65", 0x1);
qtest_bufwrite(s, 0x7f, "\x69", 0x1);
qtest_bufwrite(s, 0x80, "\x65", 0x1);
qtest_bufwrite(s, 0x87, "\x69", 0x1);
qtest_bufwrite(s, 0x88, "\x65", 0x1);
qtest_bufwrite(s, 0x8f, "\x69", 0x1);
qtest_bufwrite(s, 0x90, "\x65", 0x1);
qtest_bufwrite(s, 0x97, "\x69", 0x1);
qtest_bufwrite(s, 0x98, "\x65", 0x1);
qtest_bufwrite(s, 0xe0000026, "\x5a\x06", 0x2);
qtest_bufwrite(s, 0xe0000028, "\x46\xc0\xc9\xc9", 0x4);
qtest_bufwrite(s, 0xe0000028, "\x55", 0x1);
qtest_bufwrite(s, 0xe000002a, "\x5a", 0x1);
qtest_bufwrite(s, 0xa0, "\x65", 0x1);
qtest_bufwrite(s, 0xa5, "\xff", 0x1);
qtest_bufwrite(s, 0xa6, "\xff", 0x1);
qtest_bufwrite(s, 0xa7, "\xdf", 0x1);
qtest_bufwrite(s, 0xe000000c, "\x27", 0x1);
qtest_bufwrite(s, 0xe000000f, "\x55", 0x1);
qtest_quit(s);
}
int main(int argc, char **argv)
{
const char *arch = qtest_get_arch();
g_test_init(&argc, &argv, NULL);
if (strcmp(arch, "i386") == 0) {
qtest_add_func("fuzz/sdcard/oss_fuzz_29225", oss_fuzz_29225);
qtest_add_func("fuzz/sdcard/oss_fuzz_36217", oss_fuzz_36217);
qtest_add_func("fuzz/sdcard/oss_fuzz_36391", oss_fuzz_36391);
}
return g_test_run();
}
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