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46609b90d9
qemu/tests
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Philippe Mathieu-Daudé 46609b90d9 tests/qtest/fdc-test: Add a regression test for CVE-2021-3507 
Add the reproducer from https://gitlab.com/qemu-project/qemu/-/issues/339

Without the previous commit, when running 'make check-qtest-i386'
with QEMU configured with '--enable-sanitizers' we get:

  ==4028352==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x619000062a00 at pc 0x5626d03c491a bp 0x7ffdb4199410 sp 0x7ffdb4198bc0
  READ of size 786432 at 0x619000062a00 thread T0
      #0 0x5626d03c4919 in __asan_memcpy (qemu-system-i386+0x1e65919)
      #1 0x5626d1c023cc in flatview_write_continue softmmu/physmem.c:2787:13
      #2 0x5626d1bf0c0f in flatview_write softmmu/physmem.c:2822:14
      #3 0x5626d1bf0798 in address_space_write softmmu/physmem.c:2914:18
      #4 0x5626d1bf0f37 in address_space_rw softmmu/physmem.c:2924:16
      #5 0x5626d1bf14c8 in cpu_physical_memory_rw softmmu/physmem.c:2933:5
      #6 0x5626d0bd5649 in cpu_physical_memory_write include/exec/cpu-common.h:82:5
      #7 0x5626d0bd0a07 in i8257_dma_write_memory hw/dma/i8257.c:452:9
      #8 0x5626d09f825d in fdctrl_transfer_handler hw/block/fdc.c:1616:13
      #9 0x5626d0a048b4 in fdctrl_start_transfer hw/block/fdc.c:1539:13
      #10 0x5626d09f4c3e in fdctrl_write_data hw/block/fdc.c:2266:13
      #11 0x5626d09f22f7 in fdctrl_write hw/block/fdc.c:829:9
      #12 0x5626d1c20bc5 in portio_write softmmu/ioport.c:207:17

  0x619000062a00 is located 0 bytes to the right of 512-byte region [0x619000062800,0x619000062a00)
  allocated by thread T0 here:
      #0 0x5626d03c66ec in posix_memalign (qemu-system-i386+0x1e676ec)
      #1 0x5626d2b988d4 in qemu_try_memalign util/oslib-posix.c:210:11
      #2 0x5626d2b98b0c in qemu_memalign util/oslib-posix.c:226:27
      #3 0x5626d09fbaf0 in fdctrl_realize_common hw/block/fdc.c:2341:20
      #4 0x5626d0a150ed in isabus_fdc_realize hw/block/fdc-isa.c:113:5
      #5 0x5626d2367935 in device_set_realized hw/core/qdev.c:531:13

  SUMMARY: AddressSanitizer: heap-buffer-overflow (qemu-system-i386+0x1e65919) in __asan_memcpy
  Shadow bytes around the buggy address:
    0x0c32800044f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
    0x0c3280004500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    0x0c3280004510: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    0x0c3280004520: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    0x0c3280004530: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  =>0x0c3280004540:[fa]fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
    0x0c3280004550: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
    0x0c3280004560: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
    0x0c3280004570: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
    0x0c3280004580: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
    0x0c3280004590: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  Shadow byte legend (one shadow byte represents 8 application bytes):
    Addressable:           00
    Heap left redzone:       fa
    Freed heap region:       fd
  ==4028352==ABORTING

[ kwolf: Added snapshot=on to prevent write file lock failure ]

Reported-by: Alexander Bulekov <alxndr@bu.edu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alexander Bulekov <alxndr@bu.edu>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-05-12 13:03:25 +02:00
..
avocado test/avocado/machine_aspeed.py: Add ast1030 test case 2022-05-02 17:03:04 +02:00
bench osdep: Move memalign-related functions to their own header 2022-03-07 13:16:49 +00:00
data tests/acpi: update expected data files 2022-03-15 09:31:44 +01:00
decode decodetree: Extend argument set syntax to allow types 2021-05-01 11:45:35 -07:00
docker Testing, docs and gdbstub updates: 2022-04-20 11:13:08 -07:00
fp compiler.h: replace QEMU_NORETURN with G_NORETURN 2022-04-21 17:03:51 +04:00
guest-debug tests/guest-debug: better handle gdb crashes 2022-04-20 16:04:20 +01:00
image-fuzzer
include tests: add missing generated sources to testqapi 2020-10-17 10:45:50 -04:00
keys tests/vm: Add Haiku test based on their vagrant images 2020-11-17 09:45:24 +01:00
lcitool tests: Drop perl-Test-Harness from the CI containers / VMs 2022-04-20 08:54:16 +02:00
migration tests/migration: fix unix socket migration 2021-07-14 14:15:52 +01:00
multiboot Remove superfluous .gitignore files 2020-10-13 12:48:17 +02:00
perf/block/qcow2
plugin tests/plugins: add instruction matching to libinsn.so 2022-02-09 12:08:42 +00:00
qapi-schema qapi-schema: test: add a unit test for parsing array alternates 2022-04-21 10:11:25 +02:00
qemu-iotests tests/qemu-iotests: print intent to run a test in TAP mode 2022-05-12 12:27:20 +02:00
qtest tests/qtest/fdc-test: Add a regression test for CVE-2021-3507 2022-05-12 13:03:25 +02:00
rocker
tcg tests/tcg/xtensa: fix vectors and checks in timer test 2022-05-06 15:27:40 -07:00
tsan
uefi-test-tools Remove superfluous .gitignore files 2020-10-13 12:48:17 +02:00
unit util: rename qemu_*block() socket functions 2022-05-03 15:53:20 +04:00
vm tests/vm: update openbsd to release 7.1 2022-05-09 08:21:14 +02:00
vmstate-static-checker-data hw: Replace anti-social QOM type names 2021-03-19 15:18:43 +01:00
check-block.sh tests/qemu-iotests: Move the bash and sanitizer checks to meson.build 2022-04-20 09:46:54 +02:00
dbus-vmstate-daemon.sh
Makefile.include tests/tcg: invoke Makefile.target directly from QEMU's makefile 2022-04-20 16:04:20 +01:00
meson.build meson: create have_vhost_* variables 2022-05-07 07:46:58 +02:00
requirements.txt acceptance tests: bump Avocado version to 88.1 2021-06-01 16:21:21 -04:00
test-qht-par.c
vhost-user-bridge.c Replace qemu_real_host_page variables with inlined functions 2022-04-06 10:50:38 +02:00