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| author | Alan Modra <amodra@gmail.com> | 2017-09-24 17:10:14 +0930 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2017-09-24 21:01:30 +0930 |
| commit | a26a013f22a19e2c16729e64f40ef8a7dfcc086e (patch) | |
| tree | e34c6fbf1e01b3d26e1b6409fc1a5a090a033064 /bfd/dwarf2.c | |
| parent | 52a93b95ec0771c97e26f0bb28630a271a667bd2 (diff) | |
| download | gdb-a26a013f22a19e2c16729e64f40ef8a7dfcc086e.zip gdb-a26a013f22a19e2c16729e64f40ef8a7dfcc086e.tar.gz gdb-a26a013f22a19e2c16729e64f40ef8a7dfcc086e.tar.bz2 | |
PR22191, memory leak in dwarf2.c
table->sequences is a linked list before it is replaced by a bfd_alloc
array in sort_line_sequences.
PR 22191
* dwarf2.c (decode_line_info): Properly free line sequences on error.
Diffstat (limited to 'bfd/dwarf2.c')
| -rw-r--r-- | bfd/dwarf2.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c index ec4c311..1566cd8 100644 --- a/bfd/dwarf2.c +++ b/bfd/dwarf2.c @@ -2476,8 +2476,12 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash) return table; fail: - if (table->sequences != NULL) - free (table->sequences); + while (table->sequences != NULL) + { + struct line_sequence* seq = table->sequences; + table->sequences = table->sequences->prev_sequence; + free (seq); + } if (table->files != NULL) free (table->files); if (table->dirs != NULL) |