diff options
| author | Mark Wielaard <[email protected]> | 2011-04-26 17:15:28 +0200 |
|---|---|---|
| committer | Mark Wielaard <[email protected]> | 2011-04-26 17:15:28 +0200 |
| commit | f4c39c7ccba57bcc71ab92760f4194b3e4667bb7 (patch) | |
| tree | 2c05ab56dcd010ea6e15e2d9af717e2187d2e52b /libdw/dwarf_child.c | |
| parent | ed52618203ac78179e3a0cf36db5bdca8958da1d (diff) | |
libdw: Sanity check end of section against cu_data () of die->cu.
A Dwarf_CU can come from either the debug_info compile unit or a
debug_type type unit section. Use the correct one for sanity checking
whether we have a truncated section.
Diffstat (limited to 'libdw/dwarf_child.c')
| -rw-r--r-- | libdw/dwarf_child.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libdw/dwarf_child.c b/libdw/dwarf_child.c index 1ec3704e..0c2df004 100644 --- a/libdw/dwarf_child.c +++ b/libdw/dwarf_child.c @@ -177,13 +177,13 @@ dwarf_child (die, result) /* RESULT can be the same as DIE. So preserve what we need. */ struct Dwarf_CU *cu = die->cu; + Elf_Data *cu_sec = cu_data (cu); /* It's kosher (just suboptimal) to have a null entry first thing (7.5.3). So if this starts with ULEB128 of 0 (even with silly encoding of 0), it is a kosher null entry and we do not really have any children. */ const unsigned char *code = addr; - const unsigned char *endp = (cu->dbg->sectiondata[IDX_debug_info]->d_buf - + cu->dbg->sectiondata[IDX_debug_info]->d_size); + const unsigned char *endp = (cu_sec->d_buf + cu_sec->d_size); while (1) { if (unlikely (code >= endp)) /* Truncated section. */ |