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author | Caolán McNamara <caolanm@redhat.com> | 2021-03-26 09:26:10 +0000 |
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committer | Caolán McNamara <caolanm@redhat.com> | 2021-03-26 11:51:21 +0100 |
commit | 5453c8b92727eebdd1edbd36cd72c7042128f610 (patch) | |
tree | 88af013f59d8f116ad918f3987e2a801c6d601fd /hwpfilter | |
parent | 216561c4a8f4731901dcc34805e7a66cccb79ee1 (diff) |
ofz#32499 overflowing pos
Change-Id: I164537acbb4d4bcf7dee51a029ffb518a3687fda
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/113150
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Diffstat (limited to 'hwpfilter')
-rw-r--r-- | hwpfilter/source/hiodev.cxx | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/hwpfilter/source/hiodev.cxx b/hwpfilter/source/hiodev.cxx index 56d4719e4302..a9bd14b57b11 100644 --- a/hwpfilter/source/hiodev.cxx +++ b/hwpfilter/source/hiodev.cxx @@ -337,7 +337,7 @@ size_t HMemIODev::readBlock(void *p, size_t size) { if (state()) return 0; - if (length < pos + size) + if (size > length - pos) size = length - pos; memcpy(p, ptr + pos, size); pos += size; @@ -346,7 +346,7 @@ size_t HMemIODev::readBlock(void *p, size_t size) size_t HMemIODev::skipBlock(size_t size) { - if (state() || length < pos + size) + if (state() || size > length - pos) return 0; pos += size; return size; |