This is a note to let you know that I've just added the patch titled
libbpf: Fix arm syscall regs spec in bpf_tracing.h
to the 6.3-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
libbpf-fix-arm-syscall-regs-spec-in-bpf_tracing.h.patch
and it can be found in the queue-6.3 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 361a40b9bcd5c694efec30bb22569a187f9356ac
Author: Puranjay Mohan <puranjay12@xxxxxxxxx>
Date: Thu Feb 23 09:53:46 2023 +0000
libbpf: Fix arm syscall regs spec in bpf_tracing.h
[ Upstream commit 06943ae675945c762bb8d5edc93d203f2b041d8d ]
The syscall register definitions for ARM in bpf_tracing.h doesn't define
the fifth parameter for the syscalls. Because of this some KPROBES based
selftests fail to compile for ARM architecture.
Define the fifth parameter that is passed in the R5 register (uregs[4]).
Fixes: 3a95c42d65d5 ("libbpf: Define arm syscall regs spec in bpf_tracing.h")
Signed-off-by: Puranjay Mohan <puranjay12@xxxxxxxxx>
Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
Link: https://lore.kernel.org/bpf/20230223095346.10129-1-puranjay12@xxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/tools/lib/bpf/bpf_tracing.h b/tools/lib/bpf/bpf_tracing.h
index 6db88f41fa0df..2cd888733b1c9 100644
--- a/tools/lib/bpf/bpf_tracing.h
+++ b/tools/lib/bpf/bpf_tracing.h
@@ -204,6 +204,7 @@ struct pt_regs___s390 {
#define __PT_PARM2_SYSCALL_REG __PT_PARM2_REG
#define __PT_PARM3_SYSCALL_REG __PT_PARM3_REG
#define __PT_PARM4_SYSCALL_REG __PT_PARM4_REG
+#define __PT_PARM5_SYSCALL_REG uregs[4]
#define __PT_PARM6_SYSCALL_REG uregs[5]
#define __PT_PARM7_SYSCALL_REG uregs[6]
