* [binutils-gdb] Fix an illegal memorty access when running gprof over corrupt data.
@ 2023-04-11 15:23 Nick Clifton
0 siblings, 0 replies; only message in thread
From: Nick Clifton @ 2023-04-11 15:23 UTC (permalink / raw)
To: bfd-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=91496180eba5150fb169c5edaff16877eefae7f9
commit 91496180eba5150fb169c5edaff16877eefae7f9
Author: Nick Clifton <nickc@redhat.com>
Date: Tue Apr 11 16:22:28 2023 +0100
Fix an illegal memorty access when running gprof over corrupt data.
PR 30324
* symtab.c (symtab_finalize): Only change the end address if dst has been updated.
Diff:
---
gprof/ChangeLog | 6 ++++++
gprof/symtab.c | 2 +-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/gprof/ChangeLog b/gprof/ChangeLog
index d49b1894905..33a95f272fa 100644
--- a/gprof/ChangeLog
+++ b/gprof/ChangeLog
@@ -1,3 +1,9 @@
+2023-04-11 Nick Clifton <nickc@redhat.com>
+
+ PR 30324
+ * symtab.c (symtab_finalize): Only change the end address if dst
+ has been updated.
+
2023-02-20 Nick Clifton <nickc@redhat.com>
* po/ms.po: Updated Malayasian translation.
diff --git a/gprof/symtab.c b/gprof/symtab.c
index ea47aac47b5..61feebc5d02 100644
--- a/gprof/symtab.c
+++ b/gprof/symtab.c
@@ -147,7 +147,7 @@ symtab_finalize (Sym_Table *tab)
}
}
- if (tab->len > 0 && dst[-1].end_addr == 0)
+ if (tab->len > 0 && dst > tab->base && dst[-1].end_addr == 0)
dst[-1].end_addr
= core_text_sect->vma + bfd_section_size (core_text_sect) - 1;
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