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| author | Thiago Macieira <thiago.macieira@intel.com> | 2018-09-14 17:38:53 -0700 |
|---|---|---|
| committer | Thiago Macieira <thiago.macieira@intel.com> | 2018-09-25 23:24:01 +0000 |
| commit | 91c83d842c54180f98b23a1cf8878b9d7a22f1b2 (patch) | |
| tree | e00d6553e98ab0c7927a33dfce94c2a4b0bd6adf /src/corelib/plugin/qelfparser_p.h | |
| parent | b0c6f2da7c90d5fb7d5f0a26c123d2b185a5181c (diff) | |
Fix integer overflow in very long sections in ELF objects
The source is an ElfXX_Off, which is an unsigned 32- or 64-bit. That
means any section bigger than 2 GB would cause an overflow when we
assigned in
m_stringTableFileOffset = strtab.offset;
Change-Id: Ib47c56818178458a88b4fffd15546bd47a89894e
Fixes: QTBUG-70560
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
(cherry picked from commit cb5c24fa26142edaff8fd2c9787dbe45c222b4ff)
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@qt.io>
(cherry picked from commit 9f95f25d2ef3de76d449bc4de5b09e87e9ed537a)
Diffstat (limited to 'src/corelib/plugin/qelfparser_p.h')
| -rw-r--r-- | src/corelib/plugin/qelfparser_p.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/corelib/plugin/qelfparser_p.h b/src/corelib/plugin/qelfparser_p.h index 5501be009b..35361f99fd 100644 --- a/src/corelib/plugin/qelfparser_p.h +++ b/src/corelib/plugin/qelfparser_p.h @@ -77,7 +77,7 @@ public: int m_endian; int m_bits; - int m_stringTableFileOffset; + qelfoff_t m_stringTableFileOffset; template <typename T> T read(const char *s) |