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c44987411c
Reported via IRC in #buildroot connmanctl segfaults randomly on startup and keyboard input is not echoed back. Could be reproduced with Raspberry PI4 (32 Bit) defconfig and glibc based userland. Signed-off-by: Waldemar Brodkorb <wbx@openadk.org> Signed-off-by: Arnout Vandecappelle <arnout@rnout.be>
23 lines
1.1 KiB
Diff
23 lines
1.1 KiB
Diff
From 9a3a2388e376eb2b43a2fe3dd8c5ce6e62ee3cc0 Mon Sep 17 00:00:00 2001
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From: Chet Ramey <chet.ramey@case.edu>
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Date: Wed, 10 Dec 2025 11:34:13 -0500
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Subject: [PATCH] Readline-8.3 patch 2: fix crash if the calling application
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sets rl_prompt to NULL without setting a new value
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Upstream: https://cgit.git.savannah.gnu.org/cgit/readline.git/commit/?id=9a3a2388e376eb2b43a2fe3dd8c5ce6e62ee3cc0
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Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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diff --git a/display.c b/display.c
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index 9aa8c7b..edb525d 100644
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--- a/display.c
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+++ b/display.c
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@@ -783,7 +783,7 @@ _rl_optimize_redisplay (void)
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/* Useful shorthand used by rl_redisplay, update_line, rl_move_cursor_relative */
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#define INVIS_FIRST() (local_prompt_invis_chars[0])
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-#define WRAP_OFFSET(line, offset) ((line <= prompt_last_screen_line) ? local_prompt_invis_chars[line] : 0)
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+#define WRAP_OFFSET(line, offset) ((line <= prompt_last_screen_line && local_prompt_invis_chars) ? local_prompt_invis_chars[line] : 0)
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#define W_OFFSET(line, offset) ((line) == 0 ? offset : 0)
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#define VIS_LLEN(l) ((l) > _rl_vis_botlin ? 0 : (vis_lbreaks[l+1] - vis_lbreaks[l]))
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