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authorAndreas Rheinhardt <andreas.rheinhardt@gmail.com>2020-09-14 04:58:34 +0200
committerAndreas Rheinhardt <andreas.rheinhardt@gmail.com>2020-09-17 00:09:07 +0200
commita0750f412ade5a969b1f90e038d707d531c97342 (patch)
tree6abf51de1886e7a66c2e2104a9a9f5c97892a9bf /libavcodec/sh4
parent8de4a132ff5cf9efa1c35c78c881dc22ba255c10 (diff)
downloadffmpeg-a0750f412ade5a969b1f90e038d707d531c97342.tar.gz
avcodec/ffv1: Fix segfaults on allocation error
When allocating FFV1 slice contexts fails, ff_ffv1_init_slice_contexts() frees everything that it has allocated, yet it does not reset the counter for the number of allocated slice contexts. This inconsistent state leads to segfaults lateron in ff_ffv1_close(), because said function presumes that the slice contexts have been allocated. Fix this by making sure that the number of slice contexts on error is consistent (namely zero). (This issue only affected the FFV1 decoder, because the encoder does not clean up after itself on init failure.) Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Diffstat (limited to 'libavcodec/sh4')
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