Re: [FFmpeg-devel] [PATCH 3/3] avcodec/x86/diracdsp: Fix incorrect src addressing in dequant_subband_32()

2020-01-30 Thread Michael Niedermayer
On Thu, Jan 30, 2020 at 10:11:05PM +0100, Michael Niedermayer wrote: > On Thu, Jan 30, 2020 at 05:14:18PM -0300, James Almer wrote: > > On 1/29/2020 6:55 PM, Michael Niedermayer wrote: > > > Fixes: Segfault (not reproducable with asm, which made this hard to debug) > > > Fixes: decoding errors > >

Re: [FFmpeg-devel] [PATCH 3/3] avcodec/x86/diracdsp: Fix incorrect src addressing in dequant_subband_32()

2020-01-30 Thread Michael Niedermayer
On Thu, Jan 30, 2020 at 11:11:27PM +0100, Carl Eugen Hoyos wrote: > Am Mi., 29. Jan. 2020 um 22:56 Uhr schrieb Michael Niedermayer > : > > > > Fixes: Segfault (not reproducable with asm, which made this hard to debug) > > without? well i had the testcase from ossfuzz but that didnt reproduce

Re: [FFmpeg-devel] [PATCH 3/3] avcodec/x86/diracdsp: Fix incorrect src addressing in dequant_subband_32()

2020-01-30 Thread Carl Eugen Hoyos
Am Mi., 29. Jan. 2020 um 22:56 Uhr schrieb Michael Niedermayer : > > Fixes: Segfault (not reproducable with asm, which made this hard to debug) without? > Fixes: decoding errors > Fixes: > 19854/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5729372837511168 > > Found-by: contin

Re: [FFmpeg-devel] [PATCH 3/3] avcodec/x86/diracdsp: Fix incorrect src addressing in dequant_subband_32()

2020-01-30 Thread Michael Niedermayer
On Thu, Jan 30, 2020 at 05:14:18PM -0300, James Almer wrote: > On 1/29/2020 6:55 PM, Michael Niedermayer wrote: > > Fixes: Segfault (not reproducable with asm, which made this hard to debug) > > Fixes: decoding errors > > Fixes: > > 19854/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuz

Re: [FFmpeg-devel] [PATCH 3/3] avcodec/x86/diracdsp: Fix incorrect src addressing in dequant_subband_32()

2020-01-30 Thread James Almer
On 1/29/2020 6:55 PM, Michael Niedermayer wrote: > Fixes: Segfault (not reproducable with asm, which made this hard to debug) > Fixes: decoding errors > Fixes: > 19854/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5729372837511168 > > Found-by: continuous fuzzing process > https

Re: [FFmpeg-devel] [PATCH 3/3] avcodec/x86/diracdsp: Fix incorrect src addressing in dequant_subband_32()

2020-01-30 Thread Michael Niedermayer
On Thu, Jan 30, 2020 at 11:30:03AM +0100, Paul B Mahol wrote: > probably ok will apply thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Many things microsoft did are stupid, but not doing something just because microsoft did it is even more stupid. If everyt

Re: [FFmpeg-devel] [PATCH 3/3] avcodec/x86/diracdsp: Fix incorrect src addressing in dequant_subband_32()

2020-01-30 Thread Paul B Mahol
probably ok On 1/29/20, Michael Niedermayer wrote: > Fixes: Segfault (not reproducable with asm, which made this hard to debug) > Fixes: decoding errors > Fixes: > 19854/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5729372837511168 > > Found-by: continuous fuzzing process > http

[FFmpeg-devel] [PATCH 3/3] avcodec/x86/diracdsp: Fix incorrect src addressing in dequant_subband_32()

2020-01-29 Thread Michael Niedermayer
Fixes: Segfault (not reproducable with asm, which made this hard to debug) Fixes: decoding errors Fixes: 19854/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5729372837511168 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signe