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authorChristian Krinitsin <mail@krinitsin.com>2025-06-01 21:35:14 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-06-01 21:35:14 +0200
commit3e4c5a6261770bced301b5e74233e7866166ea5b (patch)
tree9379fddaba693ef8a045da06efee8529baa5f6f4 /gitlab/issues_text/target_missing/host_missing/accel_missing/2427
parente5634e2806195bee44407853c4bf8776f7abfa4f (diff)
downloadqemu-analysis-3e4c5a6261770bced301b5e74233e7866166ea5b.tar.gz
qemu-analysis-3e4c5a6261770bced301b5e74233e7866166ea5b.zip
clean up repository
Diffstat (limited to 'gitlab/issues_text/target_missing/host_missing/accel_missing/2427')
-rw-r--r--gitlab/issues_text/target_missing/host_missing/accel_missing/2427141
1 files changed, 0 insertions, 141 deletions
diff --git a/gitlab/issues_text/target_missing/host_missing/accel_missing/2427 b/gitlab/issues_text/target_missing/host_missing/accel_missing/2427
deleted file mode 100644
index 4e467c621..000000000
--- a/gitlab/issues_text/target_missing/host_missing/accel_missing/2427
+++ /dev/null
@@ -1,141 +0,0 @@
-Heap-buffer-overflow in virtio-sound
-Description of problem:
-The following log reveals it:
-
-```
-==852995==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x50400002f2f9 at pc 0x5b291f531ba9 bp 0x7ffd8e80c0a0 sp 0x7ffd8e80c098
-WRITE of size 2 at 0x50400002f2f9 thread T0
-    #0 0x5b291f531ba8 in clip_natural_int16_t_from_stereo audio/mixeng_template.h:133:16
-    #1 0x5b291f4ea707 in audio_pcm_sw_read audio/audio.c:604:5
-    #2 0x5b291f4e9502 in AUD_read audio/audio.c:900:16
-    #3 0x5b291e6db7c7 in virtio_snd_pcm_in_cb hw/audio/virtio-snd.c:1279:24
-    #4 0x5b291f4f3017 in audio_run_in audio/audio.c:1331:21
-    #5 0x5b291f4eda89 in audio_run audio/audio.c:1389:5
-    #6 0x5b291fa34311 in alsa_poll_handler audio/alsaaudio.c:205:9
-    #7 0x5b2921054bb3 in aio_dispatch_handler util/aio-posix.c:372:9
-    #8 0x5b292104b9d5 in aio_dispatch_handlers util/aio-posix.c:414:20
-    #9 0x5b292104b4b9 in aio_dispatch util/aio-posix.c:424:5
-    #10 0x5b29210ede0e in aio_ctx_dispatch util/async.c:360:5
-    #11 0x79b4f927fd3a in g_main_context_dispatch (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x55d3a) (BuildId: 224ac2a88b72bc8e2fe8566ee28fae789fc69241)
-    #12 0x5b29210f1851 in glib_pollfds_poll util/main-loop.c:287:9
-    #13 0x5b29210f007a in os_host_main_loop_wait util/main-loop.c:310:5
-    #14 0x5b29210efc24 in main_loop_wait util/main-loop.c:589:11
-    #15 0x5b291f5e5475 in qemu_main_loop system/runstate.c:795:9
-    #16 0x5b292067eefb in qemu_default_main system/main.c:37:14
-    #17 0x5b292067ef7d in main system/main.c:48:12
-    #18 0x79b4f8829d8f in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
-    #19 0x79b4f8829e3f in __libc_start_main csu/../csu/libc-start.c:392:3
-    #20 0x5b291e29bef4 in _start (/usr/local/bin/qemu-system-x86_64+0x1c8fef4)
-
-0x50400002f2f9 is located 1 bytes after 40-byte region [0x50400002f2d0,0x50400002f2f8)
-allocated by thread T0 here:
-    #0 0x5b291e339758 in calloc /home/runner/work/llvm-project/llvm-project/final/llvm-project/compiler-rt/lib/asan/asan_malloc_linux.cpp:77:3
-    #1 0x79b4f9288c50 in g_malloc0 (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x5ec50) (BuildId: 224ac2a88b72bc8e2fe8566ee28fae789fc69241)
-    #2 0x5b29202d0efd in virtio_queue_notify hw/virtio/virtio.c:2297:9
-    #3 0x5b291f3d242e in virtio_pci_notify_write hw/virtio/virtio-pci.c:1721:9
-    #4 0x5b29203c82a4 in memory_region_write_accessor system/memory.c:497:5
-    #5 0x5b29203c7951 in access_with_adjusted_size system/memory.c:573:18
-    #6 0x5b29203c57eb in memory_region_dispatch_write system/memory.c:1521:16
-    #7 0x5b292046cb42 in flatview_write_continue_step system/physmem.c:2757:18
-    #8 0x5b292046c3c1 in flatview_write_continue system/physmem.c:2787:19
-    #9 0x5b29204424c9 in flatview_write system/physmem.c:2818:12
-    #10 0x5b2920441f1e in address_space_write system/physmem.c:2938:18
-    #11 0x5b291f5d8eac in qtest_process_command system/qtest.c:643:9
-    #12 0x5b291f5cfec5 in qtest_process_inbuf system/qtest.c:776:9
-    #13 0x5b291f5de05e in qtest_read system/qtest.c:788:5
-    #14 0x5b2920d2aef0 in qemu_chr_be_write_impl chardev/char.c:214:9
-    #15 0x5b2920d2afb1 in qemu_chr_be_write chardev/char.c:226:9
-    #16 0x5b2920d37388 in fd_chr_read chardev/char-fd.c:72:9
-    #17 0x5b2920719767 in qio_channel_fd_source_dispatch io/channel-watch.c:84:12
-    #18 0x79b4f927fc43 in g_main_context_dispatch (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x55c43) (BuildId: 224ac2a88b72bc8e2fe8566ee28fae789fc69241)
-
-SUMMARY: AddressSanitizer: heap-buffer-overflow audio/mixeng_template.h:133:16 in clip_natural_int16_t_from_stereo
-Shadow bytes around the buggy address:
-  0x50400002f000: fa fa fd fd fd fd fd fd fa fa fd fd fd fd fd fd
-  0x50400002f080: fa fa fd fd fd fd fd fd fa fa fd fd fd fd fd fd
-  0x50400002f100: fa fa fd fd fd fd fd fd fa fa fd fd fd fd fd fd
-  0x50400002f180: fa fa 00 00 00 00 00 fa fa fa fd fd fd fd fd fd
-  0x50400002f200: fa fa fd fd fd fd fd fd fa fa fd fd fd fd fd fd
-=>0x50400002f280: fa fa fd fd fd fd fd fd fa fa 00 00 00 00 00[fa]
-  0x50400002f300: fa fa fd fd fd fd fd fd fa fa fd fd fd fd fd fd
-  0x50400002f380: fa fa fd fd fd fd fd fd fa fa fd fd fd fd fd fd
-  0x50400002f400: fa fa fd fd fd fd fd fd fa fa fd fd fd fd fd fd
-  0x50400002f480: fa fa fd fd fd fd fd fd fa fa fd fd fd fd fd fd
-  0x50400002f500: fa fa fd fd fd fd fd fd fa fa fd fd fd fd fd fd
-Shadow byte legend (one shadow byte represents 8 application bytes):
-  Addressable:           00
-  Partially addressable: 01 02 03 04 05 06 07
-  Heap left redzone:       fa
-  Freed heap region:       fd
-  Stack left redzone:      f1
-  Stack mid redzone:       f2
-  Stack right redzone:     f3
-  Stack after return:      f5
-  Stack use after scope:   f8
-  Global redzone:          f9
-  Global init order:       f6
-  Poisoned by user:        f7
-  Container overflow:      fc
-  Array cookie:            ac
-  Intra object redzone:    bb
-  ASan internal:           fe
-  Left alloca redzone:     ca
-  Right alloca redzone:    cb
-```
-Steps to reproduce:
-```
-cat << EOF | qemu-system-x86_64 -display none \
--machine accel=qtest, -m 512M -machine q35 -device \
-virtio-sound,audiodev=my_audiodev,streams=2 -audiodev \
-alsa,id=my_audiodev -qtest stdio
-outl 0xcf8 0x80001804
-outw 0xcfc 0x7
-outl 0xcf8 0x80001820
-outl 0xcfc 0xe0008000
-write 0xe0008020 0x4 0x00001000
-write 0xe0008028 0x4 0x00101000
-write 0xe0008016 0x1 0x03
-write 0xe0008020 0x4 0x00901000
-write 0xe0008028 0x4 0x00a01000
-write 0xe0008016 0x1 0x00
-write 0xe000801c 0x1 0x01
-write 0xe0008016 0x1 0x03
-write 0xe000801c 0x1 0x01
-write 0x100008 0x1 0x08
-write 0x109008 0x1 0x04
-write 0x11e000 0x1 0x04
-write 0x11e001 0x1 0x01
-write 0x11e004 0x1 0x01
-write 0x100081 0x1 0xe0
-write 0x100082 0x1 0x11
-write 0x100088 0x1 0x08
-write 0x10100a 0x1 0x08
-write 0x151000 0x1 0x01
-write 0x1090c1 0x1 0x10
-write 0x1090c2 0x1 0x15
-write 0x1090c8 0x1 0x04
-write 0x10a00c 0x1 0x0c
-write 0x10a002 0x1 0x05
-write 0xe000b00c 0x1 0x03
-write 0x101002 0x1 0x1d
-write 0xe000b001 0x1 0x00
-outl 0xcfc 0xe0008000
-outl 0xcf8 0x80001885
-outl 0xcf8 0x80001870
-outl 0xcf8 0x80001878
-inl 0xcfc
-outl 0xcf8 0x80001870
-outl 0xcf8 0x80001863
-outl 0xcf8 0x80001853
-inb 0xcfc
-outl 0xcf8 0x80001854
-inb 0xcfc
-inb 0xcfc
-outl 0xcf8 0x80001898
-inb 0xcfc
-outl 0xcf8 0x80001899
-outl 0xcf8 0x80001870
-inb 0xcfc
-inb 0xcfc
-EOF
-```