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| author | Nick Clifton <nickc@redhat.com> | 2022-12-23 13:02:04 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2022-12-23 13:02:42 +0000 |
| commit | 8af23b30edbaedf009bc9b243cd4dfa10ae1ac09 (patch) | |
| tree | e754087159e116506e93ee151c5c99987b031fab /bfd | |
| parent | 8fbad19958c9b9c06a710bf7d6589d52f1ed8a64 (diff) | |
| download | gdb-8af23b30edbaedf009bc9b243cd4dfa10ae1ac09.zip gdb-8af23b30edbaedf009bc9b243cd4dfa10ae1ac09.tar.gz gdb-8af23b30edbaedf009bc9b243cd4dfa10ae1ac09.tar.bz2 | |
Fix illegal memory access parsing corrupt DWARF information.
PR 29936
* dwarf2.c (concat_filename): Fix check for a directory index off
the end of the directory table.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 6 | ||||
| -rw-r--r-- | bfd/dwarf2.c | 3 |
2 files changed, 8 insertions, 1 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 81227dc..49e18c9 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2022-12-23 Nick Clifton <nickc@redhat.com> + + PR 29936 + * dwarf2.c (concat_filename): Fix check for a directory index off + the end of the directory table. + 2022-12-21 Nick Clifton <nickc@redhat.com> * po/ro.po: Updated Romanian translation. diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c index b608afb..88335cb 100644 --- a/bfd/dwarf2.c +++ b/bfd/dwarf2.c @@ -2047,7 +2047,8 @@ concat_filename (struct line_info_table *table, unsigned int file) if (table->files[file].dir /* PR 17512: file: 0317e960. */ - && table->files[file].dir <= table->num_dirs + && table->files[file].dir + <= (table->use_dir_and_file_0 ? table->num_dirs - 1 : table->num_dirs) /* PR 17512: file: 7f3d2e4b. */ && table->dirs != NULL) { |