From: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue, 24 Mar 2015 01:59:07 +0000 (+0000)
Subject: get_scno: add diagnostics for invalid syscall numbers
X-Git-Tag: v4.11~544
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ea00900a85ae0dc09d58b73b41309794855811a3;p=strace

get_scno: add diagnostics for invalid syscall numbers

* syscall.c (get_scno): Print a debug level message
for !SCNO_IS_VALID syscall numbers.
---

diff --git a/syscall.c b/syscall.c
index 435dc808..d54d8b66 100644
--- a/syscall.c
+++ b/syscall.c
@@ -1268,6 +1268,9 @@ get_scno(struct tcb *tcp)
 		};
 		tcp->s_ent = &unknown;
 		tcp->qual_flg = UNDEFINED_SCNO | QUAL_RAW | DEFAULT_QUAL_FLAGS;
+		if (debug_flag)
+			fprintf(stderr, "pid %d invalid syscall %ld\n",
+				tcp->pid, scno);
 	}
 	return 1;
 }