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authorEli Zaretskii <eliz@gnu.org>2004-02-27 17:46:11 +0000
committerEli Zaretskii <eliz@gnu.org>2004-02-27 17:46:11 +0000
commite6a8a7d2ae3a1c722ad2f8fa1ad20232af2dbfd3 (patch)
treec1a9b6971675db8335e495d07ecdc308f30a9004 /gdb
parentb60d7a1a49802b79d6aae68c834e02e801f5aaf9 (diff)
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2004-02-27 Eli Zaretskii <eliz@elta.co.il>
* coffread.c (enter_linenos): Don't let rawptr reference memory outside linetab[]'s limits.
Diffstat (limited to 'gdb')
-rw-r--r--gdb/ChangeLog5
-rw-r--r--gdb/coffread.c8
2 files changed, 11 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 60aed30..7f9d399 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2004-02-27 Eli Zaretskii <eliz@elta.co.il>
+
+ * coffread.c (enter_linenos): Don't let rawptr reference memory
+ outside linetab[]'s limits.
+
2004-02-27 Andrew Cagney <cagney@redhat.com>
* hppa-tdep.c (hppa32_push_dummy_call): Fix code reserving
diff --git a/gdb/coffread.c b/gdb/coffread.c
index b0468e0..056ba13 100644
--- a/gdb/coffread.c
+++ b/gdb/coffread.c
@@ -1362,11 +1362,15 @@ enter_linenos (long file_offset, int first_line,
/* line numbers start at one for the first line of the function */
first_line--;
- for (;;)
+ /* If the line number table is full (e.g. 64K lines in COFF debug
+ info), the next function's L_LNNO32 might not be zero, so don't
+ overstep the table's end in any case. */
+ while (rawptr <= &linetab[0] + linetab_size)
{
bfd_coff_swap_lineno_in (symfile_bfd, rawptr, &lptr);
rawptr += local_linesz;
- /* The next function, or the sentinel, will have L_LNNO32 zero; we exit. */
+ /* The next function, or the sentinel, will have L_LNNO32 zero;
+ we exit. */
if (L_LNNO32 (&lptr) && L_LNNO32 (&lptr) <= last_line)
record_line (current_subfile, first_line + L_LNNO32 (&lptr),
lptr.l_addr.l_paddr