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path: root/third_party/libopenjpeg20/pi.c
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2017-05-04Fix undefined shift in opj_get_all_encoding_parametersNicolas Pena
The value 1u << (l_pdx + l_level_no) is only used to calculate a minimum, so skip it when the shift doesn't even fit unsigned integer. Also use the uint min version since all values being considered are unsigned anyways. Bug: chromium:666892 Change-Id: I79c6e52022aa894033c5cdabec29c4b8313e293b Reviewed-on: https://pdfium-review.googlesource.com/4891 Reviewed-by: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
2017-03-13LibopenJPEG: Fix some divisions by 0 in pi.cNicolas Pena
The undefined shifts in libopenjpeg are sometimes used as divisors. This CL checks that we are not trying to divide by 0 or mod by 0 in some places in pi.c. BUG=chromium:699491 Change-Id: Iaf629112437068d6479dbbb52b339bec6edefed0 Reviewed-on: https://pdfium-review.googlesource.com/2962 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
2016-01-15Merge to XFA: openjpeg: Set proper upper bound for an array in ↵Oliver Chang
opj_pi_update_decode_poc(). R=tsepez@chromium.org TBR=tsepez@chromium.org BUG=571480 Original Review URL: https://codereview.chromium.org/1583233008 . (cherry picked from commit 7a0f441e1410b3a0d97374c00c4007552d7dd27a) Review URL: https://codereview.chromium.org/1594603004 .
2016-01-14Merge to XFA: openjpeg: Fix potential bad precno value in opj_pi_next* ↵chromium/2622Oliver Chang
functions. TBR=thestig@chromium.org BUG=571479 Original Review URL: https://codereview.chromium.org/1585243003 . (cherry picked from commit 0b56371b1e9683676cf191f2d9d41d40d47c3726) Review URL: https://codereview.chromium.org/1590593002 .
2015-10-13upgrade openjpeg to commit# cf352afJun Fang
BUG=457480,497355 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1338973005 .
2015-07-13Merge to XFA: Fix an integer overflow issue in openJpegJUN FANG
Fixing this issue for an urgent request. It should be fixed in OpenJPEG side. BUG=506763 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1231933008 .
2015-06-18Merge to XFA: Move libopenjpeg to third_party/Tom Sepez
Original Review URL: https://codereview.chromium.org/1185373010. TBR=thestig@chromium.org Review URL: https://codereview.chromium.org/1193773002.
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