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Add a sanity check: The provided offset for the desired location list

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should not exceed the size of the .debug_loc section.
This commit is contained in:
Kai Wang 2014-01-19 13:38:40 +00:00
parent 9c016dc4b2
commit 255d921adc
1 changed files with 5 additions and 0 deletions
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5
contrib/elftoolchain/libdwarf/libdwarf_loclist.c
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@ -127,6 +127,11 @@ _dwarf_loclist_add(Dwarf_Debug dbg, Dwarf_CU cu, uint64_t lloff,
return (DW_DLE_NO_ENTRY);
}
if (lloff >= ds->ds_size) {
DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
return (DW_DLE_NO_ENTRY);
}
if ((ll = malloc(sizeof(struct _Dwarf_Loclist))) == NULL) {
DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY);
return (DW_DLE_MEMORY);