32 lines
904 B
Diff
32 lines
904 B
Diff
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From c8f999803ab38f97488091ea20d8d2e4967452d2 Mon Sep 17 00:00:00 2001
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From: liuxu <liuxu156@huawei.com>
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Date: Wed, 19 Jun 2024 11:44:32 +0800
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Subject: [PATCH 4/4] awk: fix use after free (CVE-2023-42363)
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backport from upstream:
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https://git.alpinelinux.org/aports/plain/main/busybox/0001-awk-fix-use-after-free-CVE-2023-42363.patch
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Signed-off-by: liuxu <liuxu156@huawei.com>
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---
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editors/awk.c | 4 ----
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1 file changed, 4 deletions(-)
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diff --git a/editors/awk.c b/editors/awk.c
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index 7a73f04..8f146fc 100644
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--- a/editors/awk.c
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+++ b/editors/awk.c
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@@ -2944,10 +2944,6 @@ static var *evaluate(node *op, var *res)
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/* yes, remember where Fields[] is */
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old_Fields_ptr = Fields;
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}
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- if (opinfo & OF_STR1) {
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- L.s = getvar_s(L.v);
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- debug_printf_eval("L.s:'%s'\n", L.s);
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- }
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if (opinfo & OF_NUM1) {
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L_d = getvar_i(L.v);
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debug_printf_eval("L_d:%f\n", L_d);
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--
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2.43.0
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