diff options
| author | Alan Modra <amodra@gmail.com> | 2017-09-26 09:32:18 +0930 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2017-09-26 09:36:50 +0930 |
| commit | e338894dc2e603683bed2172e8e9f25b29051005 (patch) | |
| tree | 8f7df0c8c70dcd57c91a7622cad195fc7a4af26e /bfd | |
| parent | 898f57a89f3f75d542892c891e0736a8d91f42d3 (diff) | |
| download | gdb-e338894dc2e603683bed2172e8e9f25b29051005.zip gdb-e338894dc2e603683bed2172e8e9f25b29051005.tar.gz gdb-e338894dc2e603683bed2172e8e9f25b29051005.tar.bz2 | |
PR22204, Lack of DW_LNE_end_sequence causes "infinite" loop
PR 22204
* dwarf2.c (decode_line_info): Ensure line_ptr stays within
bounds in inner loop.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 6 | ||||
| -rw-r--r-- | bfd/dwarf2.c | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 54199ad..5c4cc2b 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2017-09-26 Alan Modra <amodra@gmail.com> + + PR 22204 + * dwarf2.c (decode_line_info): Ensure line_ptr stays within + bounds in inner loop. + 2017-09-25 Alan Modra <amodra@gmail.com> PR 22202 diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c index 9ae5fba..2c45790 100644 --- a/bfd/dwarf2.c +++ b/bfd/dwarf2.c @@ -2277,7 +2277,7 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash) bfd_vma high_pc = 0; /* Decode the table. */ - while (! end_sequence) + while (!end_sequence && line_ptr < line_end) { op_code = read_1_byte (abfd, line_ptr, line_end); line_ptr += 1; |