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-rw-r--r-- | binutils/ChangeLog | 6 | ||||
-rw-r--r-- | binutils/dwarf.c | 3 |
2 files changed, 9 insertions, 0 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog index 94099d7..10718ab 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 a4799f0..89b0b80 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"), |