32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
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From 3942ee1f7bc754dd0dd9ae79f89d0f2635be334f Mon Sep 17 00:00:00 2001
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From: David Lamparter <equinox@opensourcerouting.org>
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Date: Wed, 10 Nov 2021 15:30:07 +0100
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Subject: [PATCH] lib: fix elf_py TLS section handling
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... need to ignore TLS sections, their address is effectively
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meaningless but can overlap other sections we actually need to access.
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Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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[Retrieved from:
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https://github.com/FRRouting/frr/commit/3942ee1f7bc754dd0dd9ae79f89d0f2635be334f]
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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---
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lib/elf_py.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/lib/elf_py.c b/lib/elf_py.c
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index 1c306893ad8..f230add6957 100644
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--- a/lib/elf_py.c
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+++ b/lib/elf_py.c
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@@ -636,6 +636,9 @@ static Elf_Scn *elf_find_addr(struct elffile *ef, uint64_t addr, size_t *idx)
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Elf_Scn *scn = elf_getscn(ef->elf, i);
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GElf_Shdr _shdr, *shdr = gelf_getshdr(scn, &_shdr);
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+ /* virtual address is kinda meaningless for TLS sections */
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+ if (shdr->sh_flags & SHF_TLS)
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+ continue;
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if (addr < shdr->sh_addr ||
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addr >= shdr->sh_addr + shdr->sh_size)
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continue;
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