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| author | mattjala <124107509+mattjala@users.noreply.github.com> | 2023-05-18 16:13:34 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-05-18 16:13:34 (GMT) |
| commit | 8dcc7dc17ff4e797edc5570a6eaa1d8da691b97e (patch) | |
| tree | 53b1f43c643978533a0e679aa07a8169f4367ee0 /src/H5private.h | |
| parent | d5143567c8f08f6f6de80ffcffa3ede98634ca78 (diff) | |
| download | hdf5-8dcc7dc17ff4e797edc5570a6eaa1d8da691b97e.zip hdf5-8dcc7dc17ff4e797edc5570a6eaa1d8da691b97e.tar.gz hdf5-8dcc7dc17ff4e797edc5570a6eaa1d8da691b97e.tar.bz2 | |
Prevent buffer overrun in H5S_select_deserialize (#2956)
Diffstat (limited to 'src/H5private.h')
| -rw-r--r-- | src/H5private.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/H5private.h b/src/H5private.h index 7d15312..36a40ad 100644 --- a/src/H5private.h +++ b/src/H5private.h @@ -403,6 +403,15 @@ */ #define H5_IS_BUFFER_OVERFLOW(ptr, size, buffer_end) (((ptr) + (size)-1) > (buffer_end)) +/* Variant of H5_IS_BUFFER_OVERFLOW, used with functions such as H5Tdecode() + * that don't take a size parameter, where we need to skip the bounds checks. + * + * This is a separate macro since we don't want to inflict that behavior on + * the entire library. + */ +#define H5_IS_KNOWN_BUFFER_OVERFLOW(skip, ptr, size, buffer_end) \ + (skip ? FALSE : ((ptr) + (size)-1) > (buffer_end)) + /* * HDF Boolean type. */ |