This argument is required to extend the generic ptrace API with
PTRACE_GET_SYSCALL_INFO request: syscall_get_arch() is going
to be called from ptrace_request() along with syscall_get_nr(),
syscall_get_arguments(), syscall_get_error(), and
syscall_get_return_value() functions with a tracee as their argument.
The primary intent is that the triple (audit_arch, syscall_nr, arg1..arg6)
should describe what system call is being called and what its arguments
are.
Reverts: 5e937a9ae913 ("syscall_get_arch: remove useless function arguments")
Reverts: 1002d94d3076 ("syscall.h: fix doc text for syscall_get_arch()")
Reviewed-by: Andy Lutomirski # for x86
Reviewed-by: Palmer Dabbelt
Acked-by: Paul Moore
Acked-by: Paul Burton # MIPS parts
Acked-by: Michael Ellerman (powerpc)
Acked-by: Kees Cook # seccomp parts
Acked-by: Mark Salter # for the c6x bit
Cc: Elvira Khabirova
Cc: Eugene Syromyatnikov
Cc: Oleg Nesterov
Cc: x...@kernel.org
Cc: linux-alpha@vger.kernel.org
Cc: linux-snps-...@lists.infradead.org
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-c6x-...@linux-c6x.org
Cc: uclinux-h8-de...@lists.sourceforge.jp
Cc: linux-hexa...@vger.kernel.org
Cc: linux-i...@vger.kernel.org
Cc: linux-m...@lists.linux-m68k.org
Cc: linux-m...@vger.kernel.org
Cc: nios2-...@lists.rocketboards.org
Cc: openr...@lists.librecores.org
Cc: linux-par...@vger.kernel.org
Cc: linuxppc-...@lists.ozlabs.org
Cc: linux-ri...@lists.infradead.org
Cc: linux-s...@vger.kernel.org
Cc: linux...@vger.kernel.org
Cc: sparcli...@vger.kernel.org
Cc: linux...@lists.infradead.org
Cc: linux-xte...@linux-xtensa.org
Cc: linux-a...@vger.kernel.org
Cc: linux-au...@redhat.com
Signed-off-by: Dmitry V. Levin
---
Notes:
v2: unchanged
arch/alpha/include/asm/syscall.h | 2 +-
arch/arc/include/asm/syscall.h| 2 +-
arch/arm/include/asm/syscall.h| 2 +-
arch/arm64/include/asm/syscall.h | 4 ++--
arch/c6x/include/asm/syscall.h| 2 +-
arch/csky/include/asm/syscall.h | 2 +-
arch/h8300/include/asm/syscall.h | 2 +-
arch/hexagon/include/asm/syscall.h| 2 +-
arch/ia64/include/asm/syscall.h | 2 +-
arch/m68k/include/asm/syscall.h | 2 +-
arch/microblaze/include/asm/syscall.h | 2 +-
arch/mips/include/asm/syscall.h | 6 +++---
arch/mips/kernel/ptrace.c | 2 +-
arch/nds32/include/asm/syscall.h | 2 +-
arch/nios2/include/asm/syscall.h | 2 +-
arch/openrisc/include/asm/syscall.h | 2 +-
arch/parisc/include/asm/syscall.h | 4 ++--
arch/powerpc/include/asm/syscall.h| 10 --
arch/riscv/include/asm/syscall.h | 2 +-
arch/s390/include/asm/syscall.h | 4 ++--
arch/sh/include/asm/syscall_32.h | 2 +-
arch/sh/include/asm/syscall_64.h | 2 +-
arch/sparc/include/asm/syscall.h | 5 +++--
arch/unicore32/include/asm/syscall.h | 2 +-
arch/x86/include/asm/syscall.h| 8 +---
arch/x86/um/asm/syscall.h | 2 +-
arch/xtensa/include/asm/syscall.h | 2 +-
include/asm-generic/syscall.h | 5 +++--
kernel/auditsc.c | 4 ++--
kernel/seccomp.c | 4 ++--
30 files changed, 52 insertions(+), 42 deletions(-)
diff --git a/arch/alpha/include/asm/syscall.h b/arch/alpha/include/asm/syscall.h
index d73a6fcb519c..11c688c1d7ec 100644
--- a/arch/alpha/include/asm/syscall.h
+++ b/arch/alpha/include/asm/syscall.h
@@ -4,7 +4,7 @@
#include
-static inline int syscall_get_arch(void)
+static inline int syscall_get_arch(struct task_struct *task)
{
return AUDIT_ARCH_ALPHA;
}
diff --git a/arch/arc/include/asm/syscall.h b/arch/arc/include/asm/syscall.h
index c7fc4c0c3bcb..caf2697ef5b7 100644
--- a/arch/arc/include/asm/syscall.h
+++ b/arch/arc/include/asm/syscall.h
@@ -70,7 +70,7 @@ syscall_get_arguments(struct task_struct *task, struct
pt_regs *regs,
}
static inline int
-syscall_get_arch(void)
+syscall_get_arch(struct task_struct *task)
{
return IS_ENABLED(CONFIG_ISA_ARCOMPACT)
? (IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)
diff --git a/arch/arm/include/asm/syscall.h b/arch/arm/include/asm/syscall.h
index 06dea6bce293..3940ceac0bdc 100644
--- a/arch/arm/include/asm/syscall.h
+++ b/arch/arm/include/asm/syscall.h
@@ -104,7 +104,7 @@ static inline void syscall_set_arguments(struct task_struct
*task,
memcpy(>ARM_r0 + i, args, n * sizeof(args[0]));
}
-static inline int syscall_get_arch(void)
+static inline int syscall_get_arch(struct task_struct *task)
{
/* ARM tasks don't change audit architectures on the fly. */
return AUDIT_ARCH_ARM;
diff --git a/arch/arm64/include/asm/syscall.h b/arch/arm64/include/asm/syscall.h
index ad8be16a39c9..1870df03f774 100644
--- a/arch/arm64/include/asm/syscall.h
+++ b/arch/arm64/include/asm/syscall.h
@@ -117,9 +117,9 @@ static inline void syscall_set_arguments(struct task_struct
*task,
* We don't care about endianness (__AUDIT_ARCH_LE bit) here because
* AArch64 has the same system
