31 lines
1.0 KiB
Diff
31 lines
1.0 KiB
Diff
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From 02ffc5158d1ad270e0b5c7ce6dfe4414a6ec029f Mon Sep 17 00:00:00 2001
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From: Michal Domonkos <mdomonko@redhat.com>
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Date: Wed, 31 Jul 2024 16:19:40 +0200
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Subject: [PATCH] Fix division by zero in elfdeps (RhBug:2299414)
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Conflict:NA
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Reference:https://github.com/rpm-software-management/rpm/commit/02ffc5158d1ad270e0b5c7ce6dfe4414a6ec029f
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Assume that the section does not hold a table if sh_entsize is 0 (as
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specified in the elf(5) man page) and just skip it if that's the case.
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---
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tools/elfdeps.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/tools/elfdeps.c b/tools/elfdeps.c
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index cb388f08d..822359ab9 100644
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--- a/tools/elfdeps.c
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+++ b/tools/elfdeps.c
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@@ -196,6 +196,8 @@ static void processVerNeed(Elf_Scn *scn, GElf_Shdr *shdr, elfInfo *ei)
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static void processDynamic(Elf_Scn *scn, GElf_Shdr *shdr, elfInfo *ei)
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{
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Elf_Data *data = NULL;
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+ if (shdr->sh_entsize == 0)
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+ return;
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while ((data = elf_getdata(scn, data)) != NULL) {
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for (int i = 0; i < (shdr->sh_size / shdr->sh_entsize); i++) {
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const char *s = NULL;
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--
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2.33.0
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