63 lines
2.3 KiB
Diff
63 lines
2.3 KiB
Diff
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From 1b6b6329daf70e29221f341ef1946717f158ec8a Mon Sep 17 00:00:00 2001
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From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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Date: Mon, 8 Feb 2021 07:23:54 +0100
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Subject: [PATCH] src/privsep-linux.c: add support for arc (#28)
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Fix the following build failure:
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privsep-linux.c:206:4: error: #error "Platform does not support seccomp filter yet"
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# error "Platform does not support seccomp filter yet"
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^~~~~
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In file included from privsep-linux.c:36:
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privsep-linux.c:213:38: error: 'SECCOMP_AUDIT_ARCH' undeclared here (not in a function); did you mean 'SECCOMP_ALLOW_ARG'?
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BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, SECCOMP_AUDIT_ARCH, 1, 0),
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^~~~~~~~~~~~~~~~~~
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It should be noted that AUDIT_ARCH_{ARCOMPACT,ARCV2} is only defined
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since kernel 5.2 and
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https://github.com/torvalds/linux/commit/67f2a8a29311841ba6ab9b0e2d1b8f1e9978cd84
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Detection of arc compact and arc v2 have been "copy/pasted" from
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https://github.com/wbx-github/uclibc-ng/commit/afab56958f1cbb47b831ee3ebff231dfbae74af2
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Fixes:
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- http://autobuild.buildroot.org/results/d29083700a80dd647621eed06faeeae03f0587d3
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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(cherry picked from commit 82386110e67cf75c224e9817fce55e6b0f143266)
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Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
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---
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src/privsep-linux.c | 16 ++++++++++++++++
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1 file changed, 16 insertions(+)
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diff --git a/src/privsep-linux.c b/src/privsep-linux.c
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index 58df5c30..fc269a5c 100644
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--- a/src/privsep-linux.c
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+++ b/src/privsep-linux.c
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@@ -149,6 +149,22 @@ ps_root_sendnetlink(struct dhcpcd_ctx *ctx, int protocol, struct msghdr *msg)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_I386
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#elif defined(__x86_64__)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_X86_64
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+#elif defined(__arc__)
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+# if defined(__A7__)
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+# if (BYTE_ORDER == LITTLE_ENDIAN)
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+# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARCOMPACT
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+# else
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+# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARCOMPACTBE
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+# endif
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+# elif defined(__HS__)
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+# if (BYTE_ORDER == LITTLE_ENDIAN)
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+# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARCV2
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+# else
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+# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARCV2BE
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+# endif
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+# else
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+# error "Platform does not support seccomp filter yet"
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+# endif
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#elif defined(__arm__)
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# ifndef EM_ARM
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# define EM_ARM 40
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--
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2.29.2
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