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Message-Id: <20181011233117.7883-7-rick.p.edgecombe@intel.com>
Date: Thu, 11 Oct 2018 16:31:16 -0700
From: Rick Edgecombe <rick.p.edgecombe@...el.com>
To: kernel-hardening@...ts.openwall.com,
daniel@...earbox.net,
keescook@...omium.org,
catalin.marinas@....com,
will.deacon@....com,
davem@...emloft.net,
tglx@...utronix.de,
mingo@...hat.com,
bp@...en8.de,
x86@...nel.org,
arnd@...db.de,
jeyu@...nel.org,
linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
linux-mips@...ux-mips.org,
linux-s390@...r.kernel.org,
sparclinux@...r.kernel.org,
linux-fsdevel@...r.kernel.org,
linux-arch@...r.kernel.org
Cc: kristen@...ux.intel.com,
dave.hansen@...el.com,
arjan@...ux.intel.com,
deneen.t.dock@...el.com,
Rick Edgecombe <rick.p.edgecombe@...el.com>
Subject: [PATCH v2 6/7] sparc/modules: Add rlimit for sparc modules
This adds in the rlimit checking for the sparc module allocator.
This has not been tested.
Signed-off-by: Rick Edgecombe <rick.p.edgecombe@...el.com>
---
arch/sparc/kernel/module.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c
index df39580f398d..24854fdfa7c3 100644
--- a/arch/sparc/kernel/module.c
+++ b/arch/sparc/kernel/module.c
@@ -44,10 +44,15 @@ void *module_alloc(unsigned long size)
{
void *ret;
+ if (check_inc_mod_rlimit(size))
+ return NULL;
+
ret = module_map(size);
if (ret)
memset(ret, 0, size);
+ update_mod_rlimit(ret, size);
+
return ret;
}
--
2.17.1
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