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| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2023-09-01 18:39:24 +0000 |
|---|---|---|
| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2023-09-01 18:39:24 +0000 |
| commit | b768cb11aa4cbf3b419aae2ae2b9da854f92cfd2 (patch) | |
| tree | ac2dd68c0d08b879b20abe3c5aa173c847ee9a7e | |
| parent | 5aa834adf317acf463fe360e0b328fd6b3321ce9 (diff) | |
| download | netpbm-mirror-b768cb11aa4cbf3b419aae2ae2b9da854f92cfd2.tar.gz netpbm-mirror-b768cb11aa4cbf3b419aae2ae2b9da854f92cfd2.tar.xz netpbm-mirror-b768cb11aa4cbf3b419aae2ae2b9da854f92cfd2.zip | |
Fix arithmetic overflow
git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@4626 9d0c8265-081b-0410-96cb-a4ca84ce46f8
| -rw-r--r-- | converter/other/sirtopnm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/converter/other/sirtopnm.c b/converter/other/sirtopnm.c index d7bda045..6a36a110 100644 --- a/converter/other/sirtopnm.c +++ b/converter/other/sirtopnm.c @@ -90,6 +90,10 @@ convertPpm(FILE * const ifP, unsigned char * sirarray; /* malloc'ed array */ unsigned int row; + if (UINT_MAX/cols/rows < 3) + pm_error("Image is too large (%u x %u x %u) for computation", + cols, rows, 3); + MALLOCARRAY(sirarray, picsize); if (!sirarray) |