From: Karel Zak <kzak@redhat.com>
Date: Fri, 12 Jan 2018 12:37:05 +0000 (+0100)
Subject: include/debug: print info when addresses suppressed
X-Git-Tag: v2.32-rc1~96
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=66643f3151205f5fe3c56c65594ba3518dfbd1e9;p=thirdparty%2Futil-linux.git

include/debug: print info when addresses suppressed

Suggested-by: Peter Cordes <peter@cordes.ca>
Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/include/debug.h b/include/debug.h
index 07a8dcb2a7..6d4ecd92b0 100644
--- a/include/debug.h
+++ b/include/debug.h
@@ -95,8 +95,10 @@ struct ul_debug_maskname {
 		} else \
 			lib ## _debug_mask = mask; \
 		if (lib ## _debug_mask) { \
-			if (getuid() != geteuid() || getgid() != getegid()) \
+			if (getuid() != geteuid() || getgid() != getegid()) { \
 				lib ## _debug_mask |= __UL_DEBUG_FL_NOADDR; \
+				fprintf(stderr, "%d: %s: SUID executable: pointer addresses suppressed.\n", getpid(), # lib); \
+			} \
 		} \
 		lib ## _debug_mask |= pref ## INIT; \
 	} while (0)