From: Maciej W. Rozycki <macro@imgtec.com>
Date: Fri, 4 Mar 2016 01:42:49 +0000 (+0000)
Subject: MIPS: traps: Fix SIGFPE information leak from `do_ov' and `do_trap_or_bp'
X-Git-Tag: v3.2.79~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5476a24d66a7d275ed1e0a3113f26c1158684462;p=pandora-kernel.git

MIPS: traps: Fix SIGFPE information leak from `do_ov' and `do_trap_or_bp'

commit e723e3f7f9591b79e8c56b3d7c5a204a9c571b55 upstream.

Avoid sending a partially initialised `siginfo_t' structure along SIGFPE
signals issued from `do_ov' and `do_trap_or_bp', leading to information
leaking from the kernel stack.

Signed-off-by: Maciej W. Rozycki <macro@imgtec.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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