From: Peter Maydell <1910603@bugs.launchpad.net>
To: qemu-devel@nongnu.org
Subject: [Bug 1910603] Re: [OSS-Fuzz] Issue 29174 sb16: Abrt in audio_bug
Date: Fri, 15 Jan 2021 16:09:10 -0000 [thread overview]
Message-ID: <161072695088.23238.5391621119340121758.launchpad@soybean.canonical.com> (raw)
In-Reply-To: 161005830186.3494.9820259593524409716.malonedeb@wampee.canonical.com
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https://bugs.launchpad.net/bugs/1910603
Title:
[OSS-Fuzz] Issue 29174 sb16: Abrt in audio_bug
Status in QEMU:
New
Bug description:
=== Reproducer ===
cat << EOF | ../build-system/qemu-system-i386 \
-machine q35 -device sb16,audiodev=snd0 \
-audiodev none,id=snd0 -nographic -nodefaults \
-qtest stdio
outw 0x22c 0x41
outb 0x22c 0x0
outw 0x22c 0x1004
outw 0x22c 0x1c
EOF
=== Stack Trace ===
A bug was just triggered in audio_calloc
Save all your work and restart without audio
I am sorry
Context:
Aborted
#0 raise
#1 abort
#2 audio_bug /src/qemu/audio/audio.c:119:9
#3 audio_calloc /src/qemu/audio/audio.c:154:9
#4 audio_pcm_sw_alloc_resources_out /src/qemu/audio/audio_template.h:116:15
#5 audio_pcm_sw_init_out /src/qemu/audio/audio_template.h:175:11
#6 audio_pcm_create_voice_pair_out /src/qemu/audio/audio_template.h:410:9
#7 AUD_open_out /src/qemu/audio/audio_template.h:503:14
#8 continue_dma8 /src/qemu/hw/audio/sb16.c:216:20
#9 dma_cmd8 /src/qemu/hw/audio/sb16.c:276:5
#10 command /src/qemu/hw/audio/sb16.c:0
#11 dsp_write /src/qemu/hw/audio/sb16.c:949:13
#12 portio_write /src/qemu/softmmu/ioport.c:205:13
#13 memory_region_write_accessor /src/qemu/softmmu/memory.c:491:5
#14 access_with_adjusted_size /src/qemu/softmmu/memory.c:552:18
#15 memory_region_dispatch_write /src/qemu/softmmu/memory.c:0:13
#16 flatview_write_continue /src/qemu/softmmu/physmem.c:2759:23
#17 flatview_write /src/qemu/softmmu/physmem.c:2799:14
#18 address_space_write /src/qemu/softmmu/physmem.c:2891:18
#19 cpu_outw /src/qemu/softmmu/ioport.c:70:5
OSS-Fuzz Report:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29174
To manage notifications about this bug go to:
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next prev parent reply other threads:[~2021-01-15 16:21 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-07 22:25 [Bug 1910603] [NEW] [OSS-Fuzz] Issue 29174 sb16: Abrt in audio_bug Alexander Bulekov
2021-01-15 16:09 ` Peter Maydell [this message]
2021-05-26 15:31 ` [Bug 1910603] " Thomas Huth
2021-06-01 15:18 ` [PATCH] hw/audio/sb16: Avoid assertion by restricting I/O sampling rate range Philippe Mathieu-Daudé
2021-06-01 15:18 ` [Bug 1910603] " Philippe Mathieu-Daudé
2021-06-14 11:13 ` Philippe Mathieu-Daudé
2021-06-14 12:11 ` Qiang Liu
2021-06-14 15:06 ` Philippe Mathieu-Daudé
2021-06-15 13:43 ` Qiang Liu
2021-06-16 9:16 ` Gerd Hoffmann
2021-06-16 10:41 ` Philippe Mathieu-Daudé
2021-06-19 19:45 ` [Bug 1910603] Re: [OSS-Fuzz] Issue 29174 sb16: Abrt in audio_bug Alexander Bulekov
2021-06-20 17:22 ` Thomas Huth
2021-08-25 7:12 ` Thomas Huth
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