diff --git a/binutils/ChangeLog b/binutils/ChangeLog index 94099d7940f65e0f760d1884be7c62859be7233c..10718ab1d67b6d00fe16d2f077e80b11c3df799d 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,3 +1,9 @@ +2023-03-14 Nick Clifton <nickc@redhat.com> + + PR 30227 + * dwarf.c (process_cu_tu_index): Prevent excessive memory + allocation when nused is large and ncols is zero. + 2023-02-09 Tom Tromey <tromey@adacore.com> * dwarf-mode.el: Bump version to 1.8. diff --git a/binutils/dwarf.c b/binutils/dwarf.c index a4799f0198c1ba6bdfaae28a2db88d1c2a6e4284..89b0b80d9490876ef66e135d36dc95df7e6048a0 100644 --- a/binutils/dwarf.c +++ b/binutils/dwarf.c @@ -10912,6 +10912,9 @@ process_cu_tu_index (struct dwarf_section *section, int do_display) if (nused == -1u || _mul_overflow ((size_t) ncols, 4, &temp) || _mul_overflow ((size_t) nused + 1, temp, &total) + || total > (size_t) (limit - ppool) + /* PR 30227: ncols could be 0. */ + || _mul_overflow ((size_t) nused + 1, 4, &total) || total > (size_t) (limit - ppool)) { warn (_("Section %s too small for offset and size tables\n"),