Previously, we returned 0, meaning successful decoding but 0
bytes consumed, leading to an infinite loop.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 9fb0de86b49e9fb0709a8ad1e1875e35da841887)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
(cherry picked from commit 812955a12b190012c134be33a93f27308953eb2f)
If the input buffer contains more data after the deflate stream,
the loop previously left running infinitely, with inflate returning
Z_STREAM_END.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit a81cad8f86d1feb7e4bfae29e43f3e994935a5c7)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
(cherry picked from commit a63e83cd4b43c3dcef38f7fefe41c002a263af0f)
This is similar to the fix in 35cbc98b.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit e9d61de96c113ee0ef8082833c7e682df0e23eec)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
(cherry picked from commit bacf5db1962a6955ce80eea6bbc86c6970d7d360)
Previously, s->context_initialized was left set to 1
if ff_vc1_decode_init_alloc_tables failed, skipping the
initialization completely on the next decode call.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit b772b0e28eba6abf76d86ee8c6e459a86642db5a)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
The init function reads one byte of extradata.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit f50803354c6acb4575379d7c54ca48ec5d36dd61)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This is similar to an existing check for the second-last frame
from 062421e3.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit ea78a348d86a3a733f6c1e0a65cfdd8283d924b9)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Conflicts:
libavcodec/eacmv.c
(cherry picked from commit 2e12af4587613dd5b2c3431e5c8194d73b03434f)
This avoids a potential division by zero.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit f875a732e36786d49f3650e3235272891a820600)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
(cherry picked from commit c8c93795e4afd04c2c5b74e29e8dec29b6a76b81)
Also don't pointlessly set the buffer size to 1 after copying
one packet.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 0d61f260010707f3028b818e8b24598e1a83d696)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This avoids crashes when initializing the range coder for
the first slice context.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit b1db33159fdc2da4bdd8c75e4ff9a7dd0ef2f0c2)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Also pass on any returned error code.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 1115689d54ea95a084421f5a182b8dc56cbff978)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Conflicts:
libavcodec/svq3.c
q4-q7/d8-d15 are supposed to not be clobbered by the callee.
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit d307e408d4a9ada22df443cc38be77cc5e492694)
q4-q7/d8-d15 are supposed to not be clobbered by the callee.
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit d307e408d4a9ada22df443cc38be77cc5e492694)
Signed-off-by: Martin Storsjö <martin@martin.st>
* commit '86d0bf0e96bf917e283d24239ce0eed08351da86':
mov: Seek back if overreading an individual atom
vcr1: add sanity checks
pictordec: pass correct context to avpriv_request_sample
dsicinav: Clip the source size to the expected maximum
alsdec: Clean up error paths
ogg: Fix potential infinite discard loop
nuv: check rtjpeg_decode_frame_yuv420 return value
Conflicts:
libavcodec/pictordec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '36fc320747a768335ae4538a24a5739033b7eb74':
nuv: Pad the lzo outbuf
nuv: Do not ignore lzo decompression failures
oma: correctly mark and decrypt partial packets
oma: check geob tag boundary
Conflicts:
libavcodec/nuv.c
libavformat/omadec.c
tests/ref/fate/nuv
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit 'e930b112d14d7acd050d5087d11b6dd4c56a8e4e':
oma: refactor seek function
8bps: Bound-check the input buffer
rtmp: Do not misuse memcmp
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '067713f15989dd0b8c0888a3b43fd193819a1058':
rtmp: rename data_size to size
lavc: set the default rc_initial_buffer_occupancy
4xm: Reject not a multiple of 16 dimension
Conflicts:
avconv.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '12dc01bb1f07112cd7eb31e183d75cb3c0fb92ca':
4xm: do not overread the prestream buffer
Conflicts:
libavcodec/4xm.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit 'cd9b0bb07a66d3299bd62922e9dfa742219abe79':
4xm: validate the buffer size before parsing it
indeo: Do not reference mismatched tiles
indeo: Sanitize ff_ivi_init_planes fail paths
Conflicts:
libavcodec/4xm.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
The function accidentally uses mmxext instructions, so it causes sigill
on mmx-only CPUs and provides no benefit on CPUs with mmxext available.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Some code paths can call it with invalid length.
CC: libav-stable@libav.org
(cherry picked from commit 71953ebcf94fe4ef316cdad1f276089205dd1d65)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
A packet larger than cin->bitmap_size does not make sense.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
(cherry picked from commit fd8189932147a524fe43532b46baa35e8be92a1b)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Conflicts:
libavcodec/dsicinav.c
Fix at least a memory leak.
CC: libav-stable@libav.org
(cherry picked from commit ca488ad480360dfafcb5766f7bfbb567a0638979)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Conflicts:
libavcodec/alsdec.c