Messages in this thread | | | Date | Thu, 09 Oct 2014 11:25:54 +0900 | From | AKASHI Takahiro <> | Subject | Re: [PATCH v7 5/6] arm64: add SIGSYS siginfo for compat task |
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On 10/08/2014 11:30 PM, Will Deacon wrote: > On Thu, Oct 02, 2014 at 10:46:15AM +0100, AKASHI Takahiro wrote: >> SIGSYS is primarily used in secure computing to notify tracer. >> This patch allows signal handler on compat task to get correct information >> with SA_SIGINFO specified when this signal is delivered. >> >> Reviewed-by: Kees Cook <keescook@chromium.org> >> Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> >> --- >> arch/arm64/include/asm/compat.h | 7 +++++++ >> arch/arm64/kernel/signal32.c | 6 ++++++ >> 2 files changed, 13 insertions(+) >> >> diff --git a/arch/arm64/include/asm/compat.h b/arch/arm64/include/asm/compat.h >> index 253e33b..c877915 100644 >> --- a/arch/arm64/include/asm/compat.h >> +++ b/arch/arm64/include/asm/compat.h >> @@ -205,6 +205,13 @@ typedef struct compat_siginfo { >> compat_long_t _band; /* POLL_IN, POLL_OUT, POLL_MSG */ >> int _fd; >> } _sigpoll; >> + >> + /* SIGSYS */ >> + struct { >> + compat_uptr_t _call_addr; /* calling user insn */ >> + int _syscall; /* triggering system call number */ >> + unsigned int _arch; /* AUDIT_ARCH_* of syscall */ > > nit, but compat_uint_t looks better here (I have no idea why I didn't do > this for the signed int types, but hey).
I will fix it.
-Takahiro AKASHI
> Will >
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