28 lines
876 B
Diff
28 lines
876 B
Diff
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From 9714331843ef3a6d9c10ff1d3bc5fcf53d44d930 Mon Sep 17 00:00:00 2001
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From: Karel Zak <kzak@redhat.com>
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Date: Tue, 31 Aug 2021 12:31:15 +0200
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Subject: [PATCH] column: segmentation fault on invalid unicode input passed to
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-s option
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The function mbs_to_wcs() returns NULL on invalid UTF.
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Fixes: https://github.com/karelzak/util-linux/issues/1425
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Signed-off-by: Karel Zak <kzak@redhat.com>
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---
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text-utils/column.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/text-utils/column.c b/text-utils/column.c
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index 1bc90e84e3..f9878e4422 100644
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--- a/text-utils/column.c
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+++ b/text-utils/column.c
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@@ -814,6 +814,8 @@ int main(int argc, char **argv)
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case 's':
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free(ctl.input_separator);
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ctl.input_separator = mbs_to_wcs(optarg);
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+ if (!ctl.input_separator)
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+ err(EXIT_FAILURE, _("failed to use input separator"));
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ctl.greedy = 0;
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break;
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case 'T':
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