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| /linux/sound/core/ |
| H A D | pcm_misc.c | 2f7a26ab Sat Apr 09 01:26:55 GMT 2022 Fabio M. De Francesco <fmdefrancesco@gmail.com> ALSA: pcm: Test for "silence" field in struct "pcm_format_data"
Syzbot reports "KASAN: null-ptr-deref Write in
snd_pcm_format_set_silence".[1]
It is due to missing validation of the "silence" field of struct
"pcm_format_data" in "pcm_formats" array.
Add a test for valid "pat" and, if it is not so, return -EINVAL.
[1] https://lore.kernel.org/lkml/000000000000d188ef05dc2c7279@google.com/
Reported-and-tested-by: syzbot+205eb15961852c2c5974@syzkaller.appspotmail.com
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220409012655.9399-1-fmdefrancesco@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2f7a26ab Sat Apr 09 01:26:55 GMT 2022 Fabio M. De Francesco <fmdefrancesco@gmail.com> ALSA: pcm: Test for "silence" field in struct "pcm_format_data"
Syzbot reports "KASAN: null-ptr-deref Write in
snd_pcm_format_set_silence".[1]
It is due to missing validation of the "silence" field of struct
"pcm_format_data" in "pcm_formats" array.
Add a test for valid "pat" and, if it is not so, return -EINVAL.
[1] https://lore.kernel.org/lkml/000000000000d188ef05dc2c7279@google.com/
Reported-and-tested-by: syzbot+205eb15961852c2c5974@syzkaller.appspotmail.com
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220409012655.9399-1-fmdefrancesco@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2f7a26ab Sat Apr 09 01:26:55 GMT 2022 Fabio M. De Francesco <fmdefrancesco@gmail.com> ALSA: pcm: Test for "silence" field in struct "pcm_format_data"
Syzbot reports "KASAN: null-ptr-deref Write in
snd_pcm_format_set_silence".[1]
It is due to missing validation of the "silence" field of struct
"pcm_format_data" in "pcm_formats" array.
Add a test for valid "pat" and, if it is not so, return -EINVAL.
[1] https://lore.kernel.org/lkml/000000000000d188ef05dc2c7279@google.com/
Reported-and-tested-by: syzbot+205eb15961852c2c5974@syzkaller.appspotmail.com
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220409012655.9399-1-fmdefrancesco@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2f7a26ab Sat Apr 09 01:26:55 GMT 2022 Fabio M. De Francesco <fmdefrancesco@gmail.com> ALSA: pcm: Test for "silence" field in struct "pcm_format_data"
Syzbot reports "KASAN: null-ptr-deref Write in
snd_pcm_format_set_silence".[1]
It is due to missing validation of the "silence" field of struct
"pcm_format_data" in "pcm_formats" array.
Add a test for valid "pat" and, if it is not so, return -EINVAL.
[1] https://lore.kernel.org/lkml/000000000000d188ef05dc2c7279@google.com/
Reported-and-tested-by: syzbot+205eb15961852c2c5974@syzkaller.appspotmail.com
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220409012655.9399-1-fmdefrancesco@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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