From a7dd3bff82e650cfa70732369772d0852d9bb01e Mon Sep 17 00:00:00 2001
From: Mathieu Faverge <mathieu.faverge@inria.fr>
Date: Thu, 6 Jul 2023 14:36:50 +0200
Subject: [PATCH] descriptors: Protect dist_m, dist_n against negative values
---
control/descriptor_helpers.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/control/descriptor_helpers.c b/control/descriptor_helpers.c
index f11e487d3..87846e3a5 100644
--- a/control/descriptor_helpers.c
+++ b/control/descriptor_helpers.c
@@ -139,6 +139,15 @@ int chameleon_getrankof_custom_init( custom_dist_t **custom_dist,
return CHAMELEON_ERR_ILLEGAL_VALUE;
}
+ if ( (dist_m <= 0 ) || (dist_n <= 0) ) {
+ char message[300];
+ snprintf( message, 300, "Incorrect values for dist_m(%d) and/or dist_n(%d)", dist_m, dist_n );
+ chameleon_error( "chameleon_getrankof_custom_init", message );
+ free( result );
+ fclose( f );
+ return CHAMELEON_ERR_ILLEGAL_VALUE;
+ }
+
result->dist_m = dist_m;
result->dist_n = dist_n;
--
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