commit 498a1157279c3dcd5d83d0fcb80eecd7f108d028
author Aurélien Nephtali <aurelien.nephtali@corp.ovh.com> Fri Mar 09 18:51:16 2018 +0100
committer Willy Tarreau <w@1wt.eu> Mon Mar 12 07:47:26 2018 +0100
tree a329307cf7d8bf86586f9bab1b5b3d8b45d72ffb
parent 84b118f3120b3c61156f0ada12ae6456bd1a0b5a

BUG/MINOR: cli: Fix a crash when passing a negative or too large value to "show fd"

This bug is present since 7a4a0ac71d ("MINOR: cli: add a new "show fd"
command").

This should be backported to 1.8.

Signed-off-by: Aurélien Nephtali <aurelien.nephtali@corp.ovh.com>

src/cli.c

diff --git a/src/cli.c b/src/cli.c
index fbd2646..51efbc4 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -772,7 +772,7 @@
 	/* we have two inner loops here, one for the proxy, the other one for
 	 * the buffer.
 	 */
-	while (fd < global.maxsock) {
+	while (fd >= 0 && fd < global.maxsock) {
 		struct fdtab fdt;
 		struct listener *li = NULL;
 		struct server *sv = NULL;