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commit 6b93714b83d59ae4147b8ec3887261aca7fd6f65
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Author: Dave Anderson <anderson@redhat.com>
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Date: Mon Jan 7 10:44:29 2019 -0500
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Prevent a SIGSEGV if a user attempts to input a command line that
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exceeds the maximum length of 1500 bytes. The patch displays an
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error message and ignores the command line.
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(anderson@redhat.com)
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diff --git a/cmdline.c b/cmdline.c
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index 665f48c..796f7c5 100644
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--- a/cmdline.c
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+++ b/cmdline.c
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@@ -1,8 +1,8 @@
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/* cmdline.c - core analysis suite
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*
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* Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc.
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- * Copyright (C) 2002-2015,2018 David Anderson
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- * Copyright (C) 2002-2015,2018 Red Hat, Inc. All rights reserved.
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+ * Copyright (C) 2002-2015,2019 David Anderson
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+ * Copyright (C) 2002-2015,2019 Red Hat, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@@ -121,9 +121,11 @@ process_command_line(void)
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args[0] = NULL;
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fprintf(fp, "\n");
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return;
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- }
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-
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- strcpy(pc->command_line, pc->readline);
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+ }
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+ if (strlen(pc->readline) >= BUFSIZE)
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+ error(FATAL, "input line exceeds maximum of 1500 bytes\n");
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+ else
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+ strcpy(pc->command_line, pc->readline);
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free(pc->readline);
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clean_line(pc->command_line);
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