From: tip-bot for Segher Boessenkool <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: luto@kernel.org, paul.gortmaker@windriver.com,
linux-kernel@vger.kernel.org, mingo@kernel.org, hpa@zytor.com,
sfr@canb.auug.org.au, tglx@linutronix.de,
segher@kernel.crashing.org
Subject: [tip:x86/urgent] x86/vdso: Fix building on big endian host
Date: Fri, 30 Sep 2016 03:44:03 -0700 [thread overview]
Message-ID: <tip-e4aad64597d7a2455a541f904365b48d607916db@git.kernel.org> (raw)
In-Reply-To: <20160929193442.GA16617@gate.crashing.org>
Commit-ID: e4aad64597d7a2455a541f904365b48d607916db
Gitweb: http://git.kernel.org/tip/e4aad64597d7a2455a541f904365b48d607916db
Author: Segher Boessenkool <segher@kernel.crashing.org>
AuthorDate: Thu, 29 Sep 2016 11:51:00 +0000
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Fri, 30 Sep 2016 12:37:40 +0200
x86/vdso: Fix building on big endian host
We need to call GET_LE to read hdr->e_type.
Fixes: 57f90c3dfc75 ("x86/vdso: Error out if the vDSO isn't a valid DSO")
Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Segher Boessenkool <segher@kernel.crashing.org>
Acked-by: Andy Lutomirski <luto@kernel.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: linux-next@vger.kernel.org
Link: http://lkml.kernel.org/r/20160929193442.GA16617@gate.crashing.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/entry/vdso/vdso2c.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/entry/vdso/vdso2c.h b/arch/x86/entry/vdso/vdso2c.h
index 4f74119..3dab75f 100644
--- a/arch/x86/entry/vdso/vdso2c.h
+++ b/arch/x86/entry/vdso/vdso2c.h
@@ -22,7 +22,7 @@ static void BITSFUNC(go)(void *raw_addr, size_t raw_len,
ELF(Phdr) *pt = (ELF(Phdr) *)(raw_addr + GET_LE(&hdr->e_phoff));
- if (hdr->e_type != ET_DYN)
+ if (GET_LE(&hdr->e_type) != ET_DYN)
fail("input is not a shared object\n");
/* Walk the segment table. */
prev parent reply other threads:[~2016-09-30 10:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-21 6:56 linux-next: Tree for Jul 21 Stephen Rothwell
2016-07-21 16:21 ` linux-next: Tree for Jul 21 (gpu/virtio) Randy Dunlap
2016-07-21 23:52 ` linux-next: Tree for Jul 21 Paul Gortmaker
2016-09-29 19:34 ` Segher Boessenkool
2016-09-29 23:14 ` Stephen Rothwell
2016-09-29 23:22 ` Andy Lutomirski
2016-09-30 10:44 ` tip-bot for Segher Boessenkool [this message]
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