79ae44b66d
kpatch: update sympos for duplicate symbols in vmlinux create-diff-object: fix segment fault when sec2->rela is NULL Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
31 lines
1.1 KiB
Diff
31 lines
1.1 KiB
Diff
From 8d1e6f4cfe3fc7007f17e0f01e7ec8aa71e18cae Mon Sep 17 00:00:00 2001
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From: Zhipeng Xie <xiezhipeng1@huawei.com>
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Date: Fri, 17 Sep 2021 10:22:24 +0800
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Subject: [PATCH] create-diff-object: fix segment fault when sec2->rela is NULL
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when patched section has no rela section, we meet segment fault in
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__kpatch_correlate_section. add sec2->rela check to fix it.
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Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
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Signed-off-by: hubin57 <hubin57@huawei.com>
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---
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kpatch-build/create-diff-object.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
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index ff2b0e4..2159cf0 100644
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--- a/kpatch-build/create-diff-object.c
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+++ b/kpatch-build/create-diff-object.c
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@@ -916,7 +916,7 @@ static void kpatch_correlate_section(struct section *sec1, struct section *sec2)
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__kpatch_correlate_section(sec1->base, sec2->base);
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sec1 = sec1->base;
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sec2 = sec2->base;
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- } else if (sec1->rela) {
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+ } else if (sec1->rela && sec2->rela) {
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__kpatch_correlate_section(sec1->rela, sec2->rela);
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}
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--
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2.27.0
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