| Commit message (Collapse) | Author | Age |
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Signed-off-by: Ting Fu <ting.fu@intel.com>
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Signed-off-by: Ting Fu <ting.fu@intel.com>
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Reviewed-by: Paul B Mahol <onemda@gmail.com>
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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Also do not abort in some cases too early when transition is over.
Fixes #8823.
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It will be changed later anyway, and in case inlink have 0 channels
(should never happen) it will not pick some random value.
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This reverts commit 2a9b934675b9e2d3850b46f8a618c19b03f02551.
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In case the multichannel HRIR mode was enabled, an error could happen
between allocating a channel layouts list and attaching it to its target
destination. If an error happened, the list would leak. This is fixed by
attaching the list to its target directly after its allocation.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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The headphone filter uses a variable number of inpads and allocates them
in its init function; if all goes well, the number of inpads coincides
with a number stored in the filter's private context. Yet if allocating a
subsequent inpad fails, the uninit function nevertheless uses the number
stored in the private context to determine the number of inpads to free
and not the AVFilterContext's nb_inputs. This will lead to an access
beyond the end of the allocated AVFilterContext.input_pads array and
an invalid free.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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The signature filter uses qsort, but its compare function doesn't have
the signature required of such a function; therefore it casts the
function pointer to void. Yet this is wrong:
C90 only guarantees that one can convert a pointer to any incomplete
type or object type to void* and back with the result comparing equal
to the original which makes pointers to void generic pointers to
incomplete or object type. Yet C90 lacks a generic function pointer
type.
C99 additionally guarantees that a pointer to a function of one type may
be converted to a pointer to a function of another type with the result
and the original comparing equal when converting back.
This makes any function pointer type a generic function pointer type.
Yet even this does not make pointers to void generic function pointers.
Both GCC and Clang emit warnings for this when in pedantic mode.
This commit fixes this by modifying the compare function to comply with
the expected signature.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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If an error happens between allocating a string intended to be used as
an inpad's name and attaching it to its input pad, the string leaks.
Fix this by inserting the inpad directly after allocating its string.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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If the names are always the same, they need not be duplicated; doing so
saves allocations, checks for the allocations as well as frees.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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The aiir filter adds output pads in its init function. Each of these
output pads had a name which was allocated and to be freed in the uninit
function. Given that the aiir filter has between one and two outputs,
one output pad's name was freed unconditionally and a second was freed
conditionally.
Yet if adding output pads fails, there are no output pads at all and
trying to free a nonexistent pad's name will lead to a segfault.
Furthermore, if the name could be successfully allocated, yet adding the
new pad fails, the name would leak.
This commit fixes this by not allocating the pads' names at all any
more: They are constant anyway. This allows to remove the code to free
them and hence fixes the aforementioned bugs.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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These names are always the same, so not using duplicates saves
allocations, checks for the allocations as well as frees.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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These names are always the same, so not using duplicates saves
allocations, checks for the allocations as well as frees.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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These names are mostly the same, so not using duplicates saves
allocations, checks for the allocations as well as frees.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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These names are always the same, so not using duplicates saves
allocations, checks for the allocations as well as frees.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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These names are always the same, so not using duplicates saves
allocations, checks for the allocations as well as frees.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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These names leak because freeing them in the uninit function has been
forgotten. Instead of adding the freeing code, this commit stops
allocating these names. They are constants anyway.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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These names are always the same, so not using duplicates saves
allocations, checks for the allocations as well as frees.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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It has been forgotten to free the name of the second outpad if attaching
the first one to the AVFilterContext fails. Fixing this is easy: Only
prepare the second outpad after (and if) the first outpad has been
successfully attached to the AVFilterContext.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
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The amerge filter uses a variable number of inpads and allocates them
in its init function; if all goes well, the number of inpads coincides
with a number stored in the filter's private context. Yet if allocating a
subsequent inpad fails, the uninit function nevertheless uses the number
stored in the private context to determine the number of inpads to free
and not the AVFilterContext's nb_inputs. This will lead to an access
beyond the end of the allocated AVFilterContext.input_pads array and
an invalid free.
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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Forgotten after fdd93eabfb2644f541f7aac9943abce26776ea73.
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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Signed-off-by: Ting Fu <ting.fu@intel.com>
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Unify all error return as DNN_ERROR, in order to cease model executing
when return error in ff_dnn_execute_model_native layer_func.pf_exec
Signed-off-by: Ting Fu <ting.fu@intel.com>
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currently, output is set both at DNNModel.set_input_output and
DNNModule.execute_model, it makes sense that the output name is
provided at model inference time so all the output info is set
at a single place.
and so DNNModel.set_input_output is renamed to DNNModel.set_input
Signed-off-by: Guo, Yejun <yejun.guo@intel.com>
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Fixes part of ticket #8819.
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Signed-off-by: Mingyu Yin <mingyu.yin@intel.com>
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Signed-off-by: Mingyu Yin <mingyu.yin@intel.com>
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Fixes memleaks in case init fails (e.g. because of invalid parameters
like 'aformat=sample_fmts=s16:cl=wtf') or also if query_formats is never
called.
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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ff_add_format() and ff_add_channel_layout() already unref the list upon
error.
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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If adding the list of input formats to its AVFilterLink fails, the list
of output formats (which has not been attached to permanent storage yet)
leaks. This has been fixed by not creating the lists of in- and output
formats simultaneously. Instead creating said lists is relegated to
ff_formats_pixdesc_filter() (this also avoids the reallocations implicit
in using ff_add_format()) and the second list is only created after (and
if) the first list has been permanently attached to its AVFilterLink.
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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The formats API deals with lists of channel layouts, sample rates,
pixel formats and sample formats. These lists are refcounted in a way in
which the list structure itself contains pointers to all of its owners.
Furthermore, it is possible for a list to be not owned by anyone yet;
this status is temporary until the list has been attached to an owner.
Adding an owner to a list involves reallocating the list's list of
owners and can therefore fail.
In order to reduce the amount of checks and cleanup code for the users
of this API, the API is supposed to be lenient when faced with input
lists that are NULL and it is supposed to clean up if adding an owner
to a list fails, so that a simple use case like
list = ff_make_format_list(foo_fmts);
if ((ret = ff_formats_ref(list, &ctx->inputs[0]->out_formats)) < 0)
return ret;
needn't check whether list could be successfully allocated
(ff_formats_ref() return AVERROR(ENOMEM) if it couldn't) and it also
needn't free list if ff_formats_ref() couldn't add an owner for it.
But the cleaning up after itself was broken. The root cause was that
the refcount was decremented during unreferencing whether or not the
element to be unreferenced was actually an owner of the list or not.
This means that if the above sample code is continued by
if ((ret = ff_formats_ref(list, &ctx->inputs[1]->out_formats)) < 0)
return ret;
and that if an error happens at the second ff_formats_ref() call, the
automatic cleaning of list will decrement the refcount from 1 (the sole
owner of list at this moment is ctx->input[0]->out_formats) to 0 and so
the list will be freed; yet ctx->input[0]->out_formats still points to
the list and this will lead to a double free/use-after-free when
ctx->input[0] is freed later.
Presumably in order to work around such an issue, commit
93afb338a405eac0f9e7b092bc26603378bfcca6 restricted unreferencing to
lists with owners. This does not solve the root cause (the above example
is not fixed by this) at all, but it solves some crashs.
This commit fixes the API: The list's refcount is only decremented if
an owner is removed from the list of owners and not if the
unref-function is called with a pointer that is not among the owners of
the list. Furtermore, the requirement for the list to have owners is
dropped.
This implies that if the first call to ff_formats_ref() in the above
example fails, the refcount which is initially zero during unreferencing
is not modified, so that the list will be freed automatically in said
call to ff_formats_ref() as every list whose refcount reaches zero is.
If on the other hand, the second call to ff_formats_ref() is the first
to fail, the refcount would stay at one during the automatic
unreferencing in ff_formats_ref(). The list would later be freed when
its last (and in this case sole) owner (namely
ctx->inputs[0]->out_formats) gets unreferenced.
The issues described here for ff_formats_ref() also affected the other
functions of this API. E.g. ff_add_format() failed to clean up after
itself if adding an entry to an already existing list failed (the case
of a freshly allocated list was handled specially and this commit also
removes said code). E.g. ff_all_formats() inherited the flaw.
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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The query_formats function of the channelmap filter tries to allocate
a list of channel layouts which on success are attached to more permanent
objects (an AVFilterLink) for storage afterwards. If attaching succeeds,
the link becomes one of the common owners (in this case, the only owner)
of the list. Yet if the list has been successfully attached to the link
and an error happens lateron, the list was manually freed, which is wrong,
because it is owned by its link so that the link's pointer to the list will
become dangling and there will be a double-free/use-after-free when the link
is later cleaned up automatically.
This commit fixes this by removing the custom freeing code; this will
temporarily add a leaking codepath (if attaching the list fails, the list
will leak), but this will be fixed soon by making sure that an
AVFilterChannelLayouts without owner will be automatically freed when
attaching it to an AVFilterLink fails.
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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The query_formats function of the alphamerge filter tries to allocate
two lists of formats which on success are attached to more permanent
objects (AVFilterLinks) for storage afterwards. If attaching a list
to an AVFilterLink succeeds, the link becomes one of the owners of
the list. Yet if attaching a list to one of its links succeeds and
an error happens lateron, both lists were manually freed, which is wrong
if the list is already owned by one or more links; these links' pointers
to their lists will become dangling and there will be a double-free/use-
after-free when these links are cleaned up automatically.
This commit fixes this by removing the custom freeing code; this will
temporarily add a leaking codepath (if attaching a list not already
owned by a link to a link fails, the list will leak), but this will
be fixed soon by making sure that an AVFilterFormats without owner will
be automatically freed when attaching it to an AVFilterLink fails.
At most one list leaks because as of this commit a new list is only
allocated after the old list has been successfully attached to a link.
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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The query_formats function of the overlay filter tries to allocate
two lists (only one in a special case) of formats which on success
are attached to more permanent objects (AVFilterLinks) for storage
afterwards. If attaching a list to an AVFilterLink succeeds, it is
in turn owned by the AVFilterLink (or more exactly, the AVFilterLink
becomes one of the common owners of the list). Yet if attaching a list
to one of its links succeeds and an error happens lateron, both lists
were manually freed, whic is wrong if the list is already owned by one
or more links; these links' pointers to their lists will become dangling
and there will be a double-free/use-after-free when these links are
cleaned up automatically.
This commit fixes this by removing the custom freeing code; this will
temporarily add a leaking codepath (if attaching a list not already
owned by a link to a link fails, the list will leak), but this will
be fixed soon by making sure that an AVFilterFormats without owner will
be automatically freed when attaching it to an AVFilterLink fails.
Notice that at most one list leaks because a new list is only allocated
after the old list has been successfully attached to a link.
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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The query_formats function of the remap filter tries to allocate
two lists of formats which on success are attached to more permanent objects
(AVFilterLinks) for storage afterwards. If attaching a list to an
AVFilterLink succeeds, it is in turn owned by the AVFilterLink (or more
exactly, the AVFilterLink becomes one of the common owners of the list).
Yet if attaching a list to one of its links succeeds and an error happens
lateron, both lists were manually freed, which means that is wrong if the
list is already owned by one or more links; these links' pointers to
their lists will become dangling and there will be a double-free/use-after-
free when these links are cleaned up automatically.
This commit fixes this by removing the custom free code; this will
temporarily add a leaking codepath (if attaching a list not already
owned by a link to a link fails, the list will leak), but this will
be fixed soon by making sure that an AVFilterFormats without owner will
be automatically freed when attaching it to an AVFilterLink fails.
Notice at most one list leaks because a new list is only allocated
after the old list has been successfully attached to a link.
Reviewed-by: Nicolas George <george@nsup.org>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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The query_formats function of the showpalette filter tries to allocate
two lists of formats which on success are attached to more permanent objects
(AVFilterLinks) for storage afterwards. If attaching a list to an
AVFilterLink succeeds, the link becomes one (in this case the only one)
of the owners of the list. Yet if attaching the first list to its link
succeeds and attaching the second list fails, both lists were manually
freed, which means that the first link's pointer to the first list
becomes dangling and there will be a double-free when the first link is
cleaned up automatically.
This commit fixes this by removing the custom free code; this will
temporarily add a leaking codepath (if attaching a list to a link fails,
the list will leak), but this will be fixed shortly by making sure that
an AVFilterFormats without owner will be automatically freed when
attaching it to an AVFilterLink fails. Notice at most one list leaks
because as of this commit a new list is only allocated after the old list
has been successfully attached to a link.
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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The query_formats function of the amix filter tries to allocate a list
of channel layouts which are attached to more permanent objects
(an AVFilter's links) for storage afterwards on success. If attaching
a list to a link succeeds, the link becomes one of the common owners
of the list. Yet if a list has been successfully attached to links (or if
there were no links to attach it to in which case
ff_set_common_channel_layouts() already frees the list) and an error
happens lateron, the list was manually freed, which is wrong, because
the list has either already been freed or it is owned by its links in
which case these links' pointers to their list will become dangling and
there will be double-frees/uses-after-free when these links are cleaned
up automatically.
This commit fixes this by removing the custom freeing code; this is made
possible by using the list in ff_set_common_channel_layouts() directly
after its allocation (without anything that can fail in between).
Notice that ff_set_common_channel_layouts() is buggy itself which can
lead to double-frees on error. This is not fixed in this commit.
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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