git: d056fef82aef - stable/13 - linux(4): Make ptrace_pokeusr machine dependent

The branch stable/13 has been updated by dchagin:

URL: https://cgit.FreeBSD.org/src/commit/?id=d056fef82aefb703441a33af719db9182ab566bc

commit d056fef82aefb703441a33af719db9182ab566bc
Author:     Dmitry Chagin <dchagin@FreeBSD.org>
AuthorDate: 2023-05-18 17:01:12 +0000
Commit:     Dmitry Chagin <dchagin@FreeBSD.org>
CommitDate: 2023-06-29 08:15:59 +0000

    linux(4): Make ptrace_pokeusr machine dependent
    
    Differential Revision:  https://reviews.freebsd.org/D40096
    MFC after:              1 week
    
    (cherry picked from commit 3d0addcd35193461e927db6cfe4b6d9b579eed6b)
---
 sys/amd64/linux/linux.h             | 2 ++
 sys/amd64/linux/linux_machdep.c     | 8 ++++++++
 sys/amd64/linux32/linux.h           | 2 ++
 sys/amd64/linux32/linux32_machdep.c | 9 +++++++++
 sys/arm64/linux/linux.h             | 2 ++
 sys/arm64/linux/linux_machdep.c     | 9 +++++++++
 sys/compat/linux/linux_ptrace.c     | 8 --------
 7 files changed, 32 insertions(+), 8 deletions(-)

diff --git a/sys/amd64/linux/linux.h b/sys/amd64/linux/linux.h
index 57f1ee0115e6..a2fb6c94466e 100644
--- a/sys/amd64/linux/linux.h
+++ b/sys/amd64/linux/linux.h
@@ -324,6 +324,8 @@ int	linux_ptrace_getregs_machdep(struct thread *td, pid_t pid,
 	    struct linux_pt_regset *l_regset);
 int	linux_ptrace_peekuser(struct thread *td, pid_t pid,
 	    void *addr, void *data);
+int	linux_ptrace_pokeuser(struct thread *td, pid_t pid,
+	    void *addr, void *data);
 #endif /* _KERNEL */
 
 #endif /* !_AMD64_LINUX_H_ */
diff --git a/sys/amd64/linux/linux_machdep.c b/sys/amd64/linux/linux_machdep.c
index 233d66a40899..ddb291169a03 100644
--- a/sys/amd64/linux/linux_machdep.c
+++ b/sys/amd64/linux/linux_machdep.c
@@ -397,4 +397,12 @@ linux_ptrace_peekuser(struct thread *td, pid_t pid, void *addr, void *data)
 	return (copyout(&val, data, sizeof(val)));
 }
 
+int
+linux_ptrace_pokeuser(struct thread *td, pid_t pid, void *addr, void *data)
+{
+
+	LINUX_RATELIMIT_MSG_OPT1("PTRACE_POKEUSER offset %ld "
+	    "not implemented; returning EINVAL", (uintptr_t)addr);
+	return (EINVAL);
+}
 #undef LINUX_URO
diff --git a/sys/amd64/linux32/linux.h b/sys/amd64/linux32/linux.h
index a98777adeaf5..0553fe2cae45 100644
--- a/sys/amd64/linux32/linux.h
+++ b/sys/amd64/linux32/linux.h
@@ -467,6 +467,8 @@ void	bsd_to_linux_regset32(const struct reg32 *b_reg,
 	    struct linux_pt_regset32 *l_regset);
 int	linux_ptrace_peekuser(struct thread *td, pid_t pid,
 	    void *addr, void *data);
+int	linux_ptrace_pokeuser(struct thread *td, pid_t pid,
+	    void *addr, void *data);
 
 extern bool linux32_emulate_i386;
 #endif /* _KERNEL */
diff --git a/sys/amd64/linux32/linux32_machdep.c b/sys/amd64/linux32/linux32_machdep.c
index afc60fb7e822..23d8f8767282 100644
--- a/sys/amd64/linux32/linux32_machdep.c
+++ b/sys/amd64/linux32/linux32_machdep.c
@@ -751,3 +751,12 @@ linux_ptrace_peekuser(struct thread *td, pid_t pid, void *addr, void *data)
 	    "returning EINVAL", (uintptr_t)addr);
 	return (EINVAL);
 }
+
+int
+linux_ptrace_pokeuser(struct thread *td, pid_t pid, void *addr, void *data)
+{
+
+	LINUX_RATELIMIT_MSG_OPT1("PTRACE_POKEUSER offset %ld "
+	    "not implemented; returning EINVAL", (uintptr_t)addr);
+	return (EINVAL);
+}
diff --git a/sys/arm64/linux/linux.h b/sys/arm64/linux/linux.h
index be6733c81d97..700a97045dd1 100644
--- a/sys/arm64/linux/linux.h
+++ b/sys/arm64/linux/linux.h
@@ -240,6 +240,8 @@ int	linux_ptrace_getregs_machdep(struct thread *td, pid_t pid,
 	    struct linux_pt_regset *l_regset);
 int	linux_ptrace_peekuser(struct thread *td, pid_t pid,
 	    void *addr, void *data);
+int	linux_ptrace_pokeuser(struct thread *td, pid_t pid,
+	    void *addr, void *data);
 #endif /* _KERNEL */
 
 #endif /* _ARM64_LINUX_H_ */
diff --git a/sys/arm64/linux/linux_machdep.c b/sys/arm64/linux/linux_machdep.c
index 2e472869eedb..87014950497e 100644
--- a/sys/arm64/linux/linux_machdep.c
+++ b/sys/arm64/linux/linux_machdep.c
@@ -160,3 +160,12 @@ linux_ptrace_peekuser(struct thread *td, pid_t pid, void *addr, void *data)
 	    "returning EINVAL", (uintptr_t)addr);
 	return (EINVAL);
 }
+
+int
+linux_ptrace_pokeuser(struct thread *td, pid_t pid, void *addr, void *data)
+{
+
+	LINUX_RATELIMIT_MSG_OPT1("PTRACE_POKEUSER offset %ld "
+	    "not implemented; returning EINVAL", (uintptr_t)addr);
+	return (EINVAL);
+}
diff --git a/sys/compat/linux/linux_ptrace.c b/sys/compat/linux/linux_ptrace.c
index c1c7abf70a9d..5b971bbfb497 100644
--- a/sys/compat/linux/linux_ptrace.c
+++ b/sys/compat/linux/linux_ptrace.c
@@ -174,14 +174,6 @@ linux_ptrace_peek(struct thread *td, pid_t pid, void *addr, void *data)
 	return (error);
 }
 
-static int
-linux_ptrace_pokeuser(struct thread *td, pid_t pid, void *addr, void *data)
-{
-
-	linux_msg(td, "PTRACE_POKEUSER not implemented; returning EINVAL");
-	return (EINVAL);
-}
-
 static int
 linux_ptrace_setoptions(struct thread *td, pid_t pid, l_ulong data)
 {