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| author | Nick Clifton <nickc@redhat.com> | 2020-06-08 11:24:06 +0100 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2020-06-08 11:24:06 +0100 |
| commit | c4b2f181c3d2ddc681ce42bf60bfa874e44b1cfe (patch) | |
| tree | 95813f7860043bc95dba23e43ced6436e95f92eb /binutils | |
| parent | 9f3e7dbcbaa7d6dc86d04f40197d8d4331222222 (diff) | |
| download | gdb-c4b2f181c3d2ddc681ce42bf60bfa874e44b1cfe.zip gdb-c4b2f181c3d2ddc681ce42bf60bfa874e44b1cfe.tar.gz gdb-c4b2f181c3d2ddc681ce42bf60bfa874e44b1cfe.tar.bz2 | |
Fix an illegal memory access when parsing corrupt DWARF debug information.
PR 26086
* dwarf.c (process_debug_info): Check that there is space in the
debug_information array before filling in an entry.
Diffstat (limited to 'binutils')
| -rw-r--r-- | binutils/ChangeLog | 6 | ||||
| -rw-r--r-- | binutils/dwarf.c | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog index ba3f6ad..36c6c71 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,3 +1,9 @@ +2020-06-08 Nick Clifton <nickc@redhat.com> + + PR 26086 + * dwarf.c (process_debug_info): Check that there is space in the + debug_information array before filling in an entry. + 2020-06-06 Alan Modra <amodra@gmail.com> * doc/binutils.texi (PowerPC -M option): Mention power10 and pwr10. diff --git a/binutils/dwarf.c b/binutils/dwarf.c index 598f856..c2e73f7 100644 --- a/binutils/dwarf.c +++ b/binutils/dwarf.c @@ -3267,6 +3267,7 @@ process_debug_info (struct dwarf_section * section, if ((do_loc || do_debug_loc || do_debug_ranges) && num_debug_info_entries == 0 + && alloc_num_debug_info_entries > unit && ! do_types) { debug_information [unit].cu_offset = cu_offset; |