From: Jeremy Harris <jgh146exb@wizmail.org>
Date: Sat, 13 Aug 2022 19:58:29 +0000 (+0100)
Subject: Dump stack for "bad memory reference".  Bug 2904
X-Git-Tag: exim-4.97-RC0~255
X-Git-Url: https://git.exim.org/exim.git/commitdiff_plain/766af058762b2c4e21b69f335adf77265fe9509a

Dump stack for "bad memory reference".  Bug 2904
---

diff --git a/src/src/exim.c b/src/src/exim.c
index 23e206d2a..ea4286af3 100644
--- a/src/src/exim.c
+++ b/src/src/exim.c
@@ -232,7 +232,7 @@ exit(1);
 ***********************************************/
 
 #define STACKDUMP_MAX 24
-static void
+void
 stackdump(void)
 {
 #ifndef NO_EXECINFO
diff --git a/src/src/functions.h b/src/src/functions.h
index e71823410..92a4831e3 100644
--- a/src/src/functions.h
+++ b/src/src/functions.h
@@ -547,6 +547,7 @@ extern int     stdin_ferror(void);
 extern BOOL    stdin_hasc(void);
 extern int     stdin_ungetc(int);
 
+extern void    stackdump(void);
 extern void    store_exit(void);
 extern void    store_init(void);
 extern void    store_writeprotect(int);
diff --git a/src/src/store.c b/src/src/store.c
index c98fcbf21..d99d2ab69 100644
--- a/src/src/store.c
+++ b/src/src/store.c
@@ -274,6 +274,9 @@ for (pp = paired_pools; pp < paired_pools + N_PAIRED_POOLS; pp++)
   for (b = pp->chainbase; b; b = b->next)
     if (is_pointer_in_block(b, p)) return pp;
 
+#ifndef COMPILE_UTILITY
+stackdump();
+#endif
 log_write(0, LOG_MAIN|LOG_PANIC_DIE,
   "bad memory reference; pool not found, at %s %d", func, linenumber);
 return NULL;