f5b3cfd78f
Aligned the package layout with the concurrent Debian packaging conventions. Added package files under debian/bullseye and debian/trixie. This change brings updates from the 'f/trixie' branch into 'master' to ensure consistent functionality and packaging structure across both branches. Test Plan: PASS master trixie build PASS master bullseye build Story: 2011360 Task: 53329 Change-Id: I3c3494720dbf1f9a234864a4aff9195595715f75 Signed-off-by: Abhinav Ayyapasetti <ayyapasetti.abhinav@windriver.com>
38 lines
1.4 KiB
Diff
38 lines
1.4 KiB
Diff
From e13c23b7db2d12cf4adf138f992eeca7f9488bee Mon Sep 17 00:00:00 2001
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From: Shung-Hsi Yu <shung-hsi.yu@suse.com>
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Date: Wed, 12 Oct 2022 10:23:53 +0800
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Subject: [PATCH 2/2] libbpf: Fix null-pointer dereference in
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find_prog_by_sec_insn()
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When there are no program sections, obj->programs is left unallocated,
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and find_prog_by_sec_insn()'s search lands on &obj->programs[0] == NULL,
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and will cause null-pointer dereference in the following access to
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prog->sec_idx.
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Guard the search with obj->nr_programs similar to what's being done in
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__bpf_program__iter() to prevent null-pointer access from happening.
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Fixes: db2b8b06423c ("libbpf: Support CO-RE relocations for multi-prog sections")
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Signed-off-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>
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Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
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Link: https://lore.kernel.org/bpf/20221012022353.7350-4-shung-hsi.yu@suse.com
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Signed-off-by: Iulian Mocanu <iulian.mocanu@windriver.com>
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---
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src/libbpf.c | 3 +++
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1 file changed, 3 insertions(+)
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Index: libbpf-0.4.0/src/libbpf.c
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===================================================================
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--- libbpf-0.4.0.orig/src/libbpf.c
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+++ libbpf-0.4.0/src/libbpf.c
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@@ -3724,6 +3724,9 @@ static struct bpf_program *find_prog_by_
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int l = 0, r = obj->nr_programs - 1, m;
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struct bpf_program *prog;
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+ if (!obj->nr_programs)
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+ return NULL;
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+
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while (l < r) {
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m = l + (r - l + 1) / 2;
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prog = &obj->programs[m];
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