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Message-Id: <1381488130-30235-70-git-send-email-luis.henriques@canonical.com> Date: Fri, 11 Oct 2013 11:41:39 +0100 From: Luis Henriques <luis.henriques@...onical.com> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org, kernel-team@...ts.ubuntu.com Cc: Kirill Tkhai <tkhai@...dex.ru>, David Miller <davem@...emloft.net>, Luis Henriques <luis.henriques@...onical.com> Subject: [PATCH 069/100] sparc64: Fix not SRA'ed %o5 in 32-bit traced syscall 3.5.7.23 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Kirill Tkhai <tkhai@...dex.ru> commit ab2abda6377723e0d5fbbfe5f5aa16a5523344d1 upstream. (From v1 to v2: changed comment) On the way linux_sparc_syscall32->linux_syscall_trace32->goto 2f, register %o5 doesn't clear its second 32-bit. Fix that. Signed-off-by: Kirill Tkhai <tkhai@...dex.ru> CC: David Miller <davem@...emloft.net> Signed-off-by: David S. Miller <davem@...emloft.net> Signed-off-by: Luis Henriques <luis.henriques@...onical.com> --- arch/sparc/kernel/syscalls.S | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S index 7f5f65d..817187d 100644 --- a/arch/sparc/kernel/syscalls.S +++ b/arch/sparc/kernel/syscalls.S @@ -147,7 +147,7 @@ linux_syscall_trace32: srl %i4, 0, %o4 srl %i1, 0, %o1 srl %i2, 0, %o2 - ba,pt %xcc, 2f + ba,pt %xcc, 5f srl %i3, 0, %o3 linux_syscall_trace: @@ -177,13 +177,13 @@ linux_sparc_syscall32: srl %i1, 0, %o1 ! IEU0 Group ldx [%g6 + TI_FLAGS], %l0 ! Load - srl %i5, 0, %o5 ! IEU1 + srl %i3, 0, %o3 ! IEU0 srl %i2, 0, %o2 ! IEU0 Group andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %g0 bne,pn %icc, linux_syscall_trace32 ! CTI mov %i0, %l5 ! IEU1 - call %l7 ! CTI Group brk forced - srl %i3, 0, %o3 ! IEU0 +5: call %l7 ! CTI Group brk forced + srl %i5, 0, %o5 ! IEU1 ba,a,pt %xcc, 3f /* Linux native system calls enter here... */ -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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