From: Christoph Hellwig <hch@lst.de>
To: Greg Ungerer <gerg@linux-m68k.org>
Cc: Michal Simek <monstr@monstr.eu>,
linux-arm-kernel@lists.infradead.org,
linux-c6x-dev@linux-c6x.org,
uclinux-h8-devel@lists.sourceforge.jp,
linux-m68k@lists.linux-m68k.org, linux-riscv@lists.infradead.org,
linux-sh@vger.kernel.org, linux-xtensa@linux-xtensa.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 01/15] binfmt_flat: remove flat_reloc_valid
Date: Mon, 10 Jun 2019 23:20:01 +0200 [thread overview]
Message-ID: <20190610212015.9157-2-hch@lst.de> (raw)
In-Reply-To: <20190610212015.9157-1-hch@lst.de>
This helper is the same for all architectures, open code it in the only
caller.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
arch/arm/include/asm/flat.h | 1 -
arch/c6x/include/asm/flat.h | 1 -
arch/h8300/include/asm/flat.h | 1 -
arch/m68k/include/asm/flat.h | 1 -
arch/microblaze/include/asm/flat.h | 1 -
arch/sh/include/asm/flat.h | 1 -
arch/xtensa/include/asm/flat.h | 1 -
fs/binfmt_flat.c | 2 +-
8 files changed, 1 insertion(+), 8 deletions(-)
diff --git a/arch/arm/include/asm/flat.h b/arch/arm/include/asm/flat.h
index f0c75ddeea23..10cce9ecf151 100644
--- a/arch/arm/include/asm/flat.h
+++ b/arch/arm/include/asm/flat.h
@@ -10,7 +10,6 @@
#define flat_argvp_envp_on_stack() 1
#define flat_old_ram_flag(flags) (flags)
-#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
u32 *addr, u32 *persistent)
diff --git a/arch/c6x/include/asm/flat.h b/arch/c6x/include/asm/flat.h
index 76fd0bb962a3..ecc6aea6606c 100644
--- a/arch/c6x/include/asm/flat.h
+++ b/arch/c6x/include/asm/flat.h
@@ -6,7 +6,6 @@
#define flat_argvp_envp_on_stack() 0
#define flat_old_ram_flag(flags) (flags)
-#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
u32 *addr, u32 *persistent)
{
diff --git a/arch/h8300/include/asm/flat.h b/arch/h8300/include/asm/flat.h
index f4cdfcbdd2ba..dcc7775115dd 100644
--- a/arch/h8300/include/asm/flat.h
+++ b/arch/h8300/include/asm/flat.h
@@ -10,7 +10,6 @@
#define flat_argvp_envp_on_stack() 1
#define flat_old_ram_flag(flags) 1
-#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
#define flat_set_persistent(relval, p) 0
/*
diff --git a/arch/m68k/include/asm/flat.h b/arch/m68k/include/asm/flat.h
index 4f1d1e373420..a631caf5e18f 100644
--- a/arch/m68k/include/asm/flat.h
+++ b/arch/m68k/include/asm/flat.h
@@ -10,7 +10,6 @@
#define flat_argvp_envp_on_stack() 1
#define flat_old_ram_flag(flags) (flags)
-#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
u32 *addr, u32 *persistent)
{
diff --git a/arch/microblaze/include/asm/flat.h b/arch/microblaze/include/asm/flat.h
index 3d2747d4c967..34be5ed011be 100644
--- a/arch/microblaze/include/asm/flat.h
+++ b/arch/microblaze/include/asm/flat.h
@@ -15,7 +15,6 @@
#define flat_argvp_envp_on_stack() 0
#define flat_old_ram_flag(flags) (flags)
-#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
#define flat_set_persistent(relval, p) 0
/*
diff --git a/arch/sh/include/asm/flat.h b/arch/sh/include/asm/flat.h
index 843d458b8329..8f2929b32f2e 100644
--- a/arch/sh/include/asm/flat.h
+++ b/arch/sh/include/asm/flat.h
@@ -13,7 +13,6 @@
#define flat_argvp_envp_on_stack() 0
#define flat_old_ram_flag(flags) (flags)
-#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
u32 *addr, u32 *persistent)
{
diff --git a/arch/xtensa/include/asm/flat.h b/arch/xtensa/include/asm/flat.h
index b8532d7877b3..6ee5a35eb0ec 100644
--- a/arch/xtensa/include/asm/flat.h
+++ b/arch/xtensa/include/asm/flat.h
@@ -6,7 +6,6 @@
#define flat_argvp_envp_on_stack() 0
#define flat_old_ram_flag(flags) (flags)
-#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
u32 *addr, u32 *persistent)
{
diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index 82a48e830018..afddea583999 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -345,7 +345,7 @@ calc_reloc(unsigned long r, struct lib_info *p, int curid, int internalp)
start_code = p->lib_list[id].start_code;
text_len = p->lib_list[id].text_len;
- if (!flat_reloc_valid(r, start_brk - start_data + text_len)) {
+ if (r > start_brk - start_data + text_len) {
pr_err("reloc outside program 0x%lx (0 - 0x%lx/0x%lx)",
r, start_brk-start_data+text_len, text_len);
goto failed;
--
2.20.1
next prev parent reply other threads:[~2019-06-10 21:20 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-10 21:20 binfmt_flat cleanups and RISC-V support Christoph Hellwig
2019-06-10 21:20 ` Christoph Hellwig [this message]
2019-06-11 9:44 ` [PATCH 01/15] binfmt_flat: remove flat_reloc_valid Vladimir Murzin
2019-06-10 21:20 ` [PATCH 02/15] binfmt_flat: remove flat_set_persistent Christoph Hellwig
2019-06-11 9:45 ` Vladimir Murzin
2019-06-10 21:20 ` [PATCH 03/15] binfmt_flat: provide a default version of flat_get_relocate_addr Christoph Hellwig
2019-06-11 9:46 ` Vladimir Murzin
2019-06-10 21:20 ` [PATCH 04/15] binfmt_flat: remove flat_old_ram_flag Christoph Hellwig
2019-06-11 6:04 ` Greg Ungerer
2019-06-11 7:36 ` Christoph Hellwig
2019-06-11 13:07 ` Greg Ungerer
2019-06-11 9:47 ` Vladimir Murzin
2019-06-10 21:20 ` [PATCH 05/15] binfmt_flat: replace flat_argvp_envp_on_stack with a Kconfig variable Christoph Hellwig
2019-06-11 9:49 ` Vladimir Murzin
2019-06-10 21:20 ` [PATCH 06/15] binfmt_flat: remove the uapi <linux/flat.h> header Christoph Hellwig
2019-06-11 9:51 ` Vladimir Murzin
2019-06-10 21:20 ` [PATCH 07/15] binfmt_flat: use __be32 for the on-disk format Christoph Hellwig
2019-06-11 8:25 ` Geert Uytterhoeven
2019-06-11 9:57 ` Vladimir Murzin
2019-06-10 21:20 ` [PATCH 08/15] binfmt_flat: add endianess annotations Christoph Hellwig
2019-06-11 9:58 ` Vladimir Murzin
2019-06-10 21:20 ` [PATCH 09/15] binfmt_flat: add a ARCH_HAS_BINFMT_FLAT option Christoph Hellwig
2019-06-11 9:59 ` Vladimir Murzin
2019-06-10 21:20 ` [PATCH 10/15] binfmt_flat: make support for old format binaries optional Christoph Hellwig
2019-06-10 21:20 ` [PATCH 11/15] binfmt_flat: provide an asm-generic/flat.h Christoph Hellwig
2019-06-11 10:01 ` Vladimir Murzin
2019-06-10 21:20 ` [PATCH 12/15] binfmt_flat: remove the persistent argument from flat_get_addr_from_rp Christoph Hellwig
2019-06-10 21:20 ` [PATCH 13/15] binfmt_flat: move the MAX_SHARED_LIBS definition to binfmt_flat.c Christoph Hellwig
2019-06-10 21:20 ` [PATCH 14/15] binfmt_flat: don't offset the data start Christoph Hellwig
2019-06-10 21:20 ` [PATCH 15/15] riscv: add binfmt_flat support Christoph Hellwig
2019-06-11 8:16 ` Vladimir Murzin
2019-06-11 9:20 ` Christoph Hellwig
2019-06-11 6:51 ` binfmt_flat cleanups and RISC-V support Greg Ungerer
2019-06-11 7:38 ` Christoph Hellwig
2019-06-11 13:02 ` Greg Ungerer
2019-06-11 8:05 ` Vladimir Murzin
2019-06-11 8:11 ` Christoph Hellwig
2019-06-11 10:08 ` Vladimir Murzin
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