[Buildroot] [PATCH] strace: fix build for no-MMU targets

Baruch Siach baruch at tkos.co.il
Thu Mar 11 04:59:27 UTC 2021


Add patch to disable fork() calling code on !HAVE_FORK.

Signed-off-by: Baruch Siach <baruch at tkos.co.il>
---
 ...et_syscall_info-disable_ptrace_getre.patch | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 package/strace/0001-disable_ptrace_get_syscall_info-disable_ptrace_getre.patch

diff --git a/package/strace/0001-disable_ptrace_get_syscall_info-disable_ptrace_getre.patch b/package/strace/0001-disable_ptrace_get_syscall_info-disable_ptrace_getre.patch
new file mode 100644
index 000000000000..1367d2985a0f
--- /dev/null
+++ b/package/strace/0001-disable_ptrace_get_syscall_info-disable_ptrace_getre.patch
@@ -0,0 +1,33 @@
+From 84536a993417f3bfff4a54830fa34a3f91f5716e Mon Sep 17 00:00:00 2001
+From: Baruch Siach <baruch at tkos.co.il>
+Date: Thu, 11 Mar 2021 06:43:26 +0200
+Subject: [PATCH] disable_ptrace_get_syscall_info, disable_ptrace_getregset:
+ require fork()
+
+These helper programs require fork(), so they are incompatible with
+no-MMU systems. Make the code depend on HAVE_FORK.
+
+Signed-off-by: Baruch Siach <baruch at tkos.co.il>
+---
+Upstream status: https://lists.strace.io/pipermail/strace-devel/2021-March/010421.html
+
+ src/disable_ptrace_request.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/src/disable_ptrace_request.c b/src/disable_ptrace_request.c
+index 57163e77f0f4..715006941572 100644
+--- a/src/disable_ptrace_request.c
++++ b/src/disable_ptrace_request.c
+@@ -41,7 +41,8 @@ init(int argc, char **argv)
+  && defined PR_SET_NO_NEW_PRIVS \
+  && defined PR_SET_SECCOMP \
+  && defined BPF_JUMP \
+- && defined BPF_STMT
++ && defined BPF_STMT \
++ && defined HAVE_FORK
+ 
+ static unsigned int
+ get_arch(void)
+-- 
+2.30.1
+
-- 
2.30.1



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