On 01.02.2017 17:25, Steinar H. Gunderson wrote:
> On Wed, Feb 01, 2017 at 02:17:05AM +0100, Andreas Cadhalpun wrote:
>>> Would you mind sharing an input where this actually triggers? None of the
>>> samples I have seem to trigger this, so I suppose it's some sort of fuzzed
>>> input.
>> Indeed it
On Wed, Feb 01, 2017 at 02:17:05AM +0100, Andreas Cadhalpun wrote:
>> Would you mind sharing an input where this actually triggers? None of the
>> samples I have seem to trigger this, so I suppose it's some sort of fuzzed
>> input.
> Indeed it is. I've sent you a sample.
Could you please try the a
On Wed, Feb 01, 2017 at 09:56:41AM +0100, Steinar H. Gunderson wrote:
> On Wed, Feb 01, 2017 at 02:17:05AM +0100, Andreas Cadhalpun wrote:
> >> Would you mind sharing an input where this actually triggers? None of the
> >> samples I have seem to trigger this, so I suppose it's some sort of fuzzed
>
On Wed, Feb 01, 2017 at 02:17:05AM +0100, Andreas Cadhalpun wrote:
>> Would you mind sharing an input where this actually triggers? None of the
>> samples I have seem to trigger this, so I suppose it's some sort of fuzzed
>> input.
> Indeed it is. I've sent you a sample.
Thanks; I see what is happ
On 31.01.2017 09:43, Steinar H. Gunderson wrote:
> On Tue, Jan 31, 2017 at 01:57:31AM +0100, Andreas Cadhalpun wrote:
>>> This sounds like a strangeness in constructing the table, which shouldn't be
>>> papered over in the inner loop of the decoder.
>> Maybe, I don't know what the contents of the t
On Tue, Jan 31, 2017 at 01:57:31AM +0100, Andreas Cadhalpun wrote:
>> This sounds like a strangeness in constructing the table, which shouldn't be
>> papered over in the inner loop of the decoder.
> Maybe, I don't know what the contents of the table should be, but the
> following
> are {-1, 0}: 32
On 31.01.2017 00:59, Steinar H. Gunderson wrote:
> On Tue, Jan 31, 2017 at 12:49:56AM +0100, Andreas Cadhalpun wrote:
>>> How can you get a negative run, which would be required for this to happen?
>> Some values in ff_dc_alpha_run_vlc_le.table are negative, e.g.:
>> ff_dc_alpha_run_vlc_le.table[3
On Tue, Jan 31, 2017 at 12:49:56AM +0100, Andreas Cadhalpun wrote:
>> How can you get a negative run, which would be required for this to happen?
> Some values in ff_dc_alpha_run_vlc_le.table are negative, e.g.:
> ff_dc_alpha_run_vlc_le.table[32] = {-1, 0}
This sounds like a strangeness in constr
On 30.01.2017 09:23, Steinar H. Gunderson wrote:
> How can you get a negative run, which would be required for this to happen?
Some values in ff_dc_alpha_run_vlc_le.table are negative, e.g.:
ff_dc_alpha_run_vlc_le.table[32] = {-1, 0}
Best regards,
Andreas
___
On Mon, Jan 30, 2017 at 02:31:08AM +0100, Andreas Cadhalpun wrote:
> Fixes out-of-bounds writes.
Hi,
How can you get a negative run, which would be required for this to happen?
/* Steinar */
--
Homepage: https://www.sesse.net/
___
ffmpeg-devel mailing
Fixes out-of-bounds writes.
Signed-off-by: Andreas Cadhalpun
---
libavcodec/speedhq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/speedhq.c b/libavcodec/speedhq.c
index 385f779f83..6ae1e0f8df 100644
--- a/libavcodec/speedhq.c
+++ b/libavcodec/speedhq.c
@@ -198,
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