[kernel] Linux v3.4-rc4 Disable debugging options.
Josh Boyer
jwboyer at fedoraproject.org
Mon Apr 23 12:25:09 UTC 2012
commit 2b371fe14722275d23b381aa31e9098791f8059c
Author: Josh Boyer <jwboyer at redhat.com>
Date: Mon Apr 23 08:24:30 2012 -0400
Linux v3.4-rc4
Disable debugging options.
config-generic | 8 +-
config-nodebug | 110 +++++++-------
config-x86-generic | 2 +-
kernel.spec | 14 +-
linux-2.6-32bit-mmap-exec-randomization.patch | 194 +++++++++++++------------
sources | 1 +
6 files changed, 170 insertions(+), 159 deletions(-)
---
diff --git a/config-generic b/config-generic
index d6d04e5..df5fbe4 100644
--- a/config-generic
+++ b/config-generic
@@ -1464,13 +1464,13 @@ CONFIG_B43_SDIO=y
CONFIG_B43_BCMA=y
# CONFIG_B43_BCMA_EXTRA is not set
CONFIG_B43_BCMA_PIO=y
-CONFIG_B43_DEBUG=y
+# CONFIG_B43_DEBUG is not set
CONFIG_B43_PHY_LP=y
CONFIG_B43_PHY_N=y
CONFIG_B43_PHY_HT=y
# CONFIG_B43_FORCE_PIO is not set
CONFIG_B43LEGACY=m
-CONFIG_B43LEGACY_DEBUG=y
+# CONFIG_B43LEGACY_DEBUG is not set
CONFIG_B43LEGACY_DMA=y
CONFIG_B43LEGACY_PIO=y
CONFIG_B43LEGACY_DMA_AND_PIO_MODE=y
@@ -3054,7 +3054,7 @@ CONFIG_USB_STORAGE_REALTEK=m
CONFIG_REALTEK_AUTOPM=y
CONFIG_USB_STORAGE_ENE_UB6250=m
# CONFIG_USB_LIBUSUAL is not set
-CONFIG_USB_UAS=m
+# CONFIG_USB_UAS is not set
#
@@ -3959,7 +3959,7 @@ CONFIG_IBMASR=m
CONFIG_PM_DEBUG=y
CONFIG_PM_TRACE=y
CONFIG_PM_TRACE_RTC=y
-CONFIG_PM_TEST_SUSPEND=y
+# CONFIG_PM_TEST_SUSPEND is not set
CONFIG_PM_RUNTIME=y
# CONFIG_PM_OPP is not set
diff --git a/config-nodebug b/config-nodebug
index c147542..aff3001 100644
--- a/config-nodebug
+++ b/config-nodebug
@@ -2,109 +2,109 @@ CONFIG_SND_VERBOSE_PRINTK=y
CONFIG_SND_DEBUG=y
CONFIG_SND_PCM_XRUN_DEBUG=y
-CONFIG_DEBUG_ATOMIC_SLEEP=y
-
-CONFIG_DEBUG_MUTEXES=y
-CONFIG_DEBUG_RT_MUTEXES=y
-CONFIG_DEBUG_LOCK_ALLOC=y
-CONFIG_PROVE_LOCKING=y
-CONFIG_DEBUG_SPINLOCK=y
-CONFIG_PROVE_RCU=y
+# CONFIG_DEBUG_ATOMIC_SLEEP is not set
+
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_PROVE_RCU is not set
# CONFIG_PROVE_RCU_REPEATEDLY is not set
-CONFIG_DEBUG_PER_CPU_MAPS=y
+# CONFIG_DEBUG_PER_CPU_MAPS is not set
CONFIG_CPUMASK_OFFSTACK=y
-CONFIG_CPU_NOTIFIER_ERROR_INJECT=m
+# CONFIG_CPU_NOTIFIER_ERROR_INJECT is not set
-CONFIG_FAULT_INJECTION=y
-CONFIG_FAILSLAB=y
-CONFIG_FAIL_PAGE_ALLOC=y
-CONFIG_FAIL_MAKE_REQUEST=y
-CONFIG_FAULT_INJECTION_DEBUG_FS=y
-CONFIG_FAULT_INJECTION_STACKTRACE_FILTER=y
-CONFIG_FAIL_IO_TIMEOUT=y
-CONFIG_FAIL_MMC_REQUEST=y
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_FAILSLAB is not set
+# CONFIG_FAIL_PAGE_ALLOC is not set
+# CONFIG_FAIL_MAKE_REQUEST is not set
+# CONFIG_FAULT_INJECTION_DEBUG_FS is not set
+# CONFIG_FAULT_INJECTION_STACKTRACE_FILTER is not set
+# CONFIG_FAIL_IO_TIMEOUT is not set
+# CONFIG_FAIL_MMC_REQUEST is not set
-CONFIG_SLUB_DEBUG_ON=y
+# CONFIG_SLUB_DEBUG_ON is not set
-CONFIG_LOCK_STAT=y
+# CONFIG_LOCK_STAT is not set
-CONFIG_DEBUG_STACK_USAGE=y
+# CONFIG_DEBUG_STACK_USAGE is not set
-CONFIG_ACPI_DEBUG=y
+# CONFIG_ACPI_DEBUG is not set
# CONFIG_ACPI_DEBUG_FUNC_TRACE is not set
-CONFIG_DEBUG_SG=y
+# CONFIG_DEBUG_SG is not set
# CONFIG_DEBUG_PAGEALLOC is not set
-CONFIG_DEBUG_WRITECOUNT=y
-CONFIG_DEBUG_OBJECTS=y
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_OBJECTS is not set
# CONFIG_DEBUG_OBJECTS_SELFTEST is not set
-CONFIG_DEBUG_OBJECTS_FREE=y
-CONFIG_DEBUG_OBJECTS_TIMERS=y
-CONFIG_DEBUG_OBJECTS_RCU_HEAD=y
+# CONFIG_DEBUG_OBJECTS_FREE is not set
+# CONFIG_DEBUG_OBJECTS_TIMERS is not set
+# CONFIG_DEBUG_OBJECTS_RCU_HEAD is not set
CONFIG_DEBUG_OBJECTS_ENABLE_DEFAULT=1
-CONFIG_X86_PTDUMP=y
+# CONFIG_X86_PTDUMP is not set
-CONFIG_CAN_DEBUG_DEVICES=y
+# CONFIG_CAN_DEBUG_DEVICES is not set
-CONFIG_MODULE_FORCE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
-CONFIG_SYSCTL_SYSCALL_CHECK=y
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
-CONFIG_DEBUG_NOTIFIERS=y
+# CONFIG_DEBUG_NOTIFIERS is not set
-CONFIG_DMA_API_DEBUG=y
+# CONFIG_DMA_API_DEBUG is not set
-CONFIG_MMIOTRACE=y
+# CONFIG_MMIOTRACE is not set
-CONFIG_DEBUG_CREDENTIALS=y
+# CONFIG_DEBUG_CREDENTIALS is not set
# off in both production debug and nodebug builds,
# on in rawhide nodebug builds
-CONFIG_DEBUG_FORCE_WEAK_PER_CPU=y
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
-CONFIG_EXT4_DEBUG=y
+# CONFIG_EXT4_DEBUG is not set
-CONFIG_DEBUG_PERF_USE_VMALLOC=y
+# CONFIG_DEBUG_PERF_USE_VMALLOC is not set
-CONFIG_JBD2_DEBUG=y
+# CONFIG_JBD2_DEBUG is not set
-CONFIG_DEBUG_BLK_CGROUP=y
+# CONFIG_DEBUG_BLK_CGROUP is not set
-CONFIG_DRBD_FAULT_INJECTION=y
+# CONFIG_DRBD_FAULT_INJECTION is not set
-CONFIG_ATH_DEBUG=y
-CONFIG_CARL9170_DEBUGFS=y
-CONFIG_IWLWIFI_DEVICE_TRACING=y
+# CONFIG_ATH_DEBUG is not set
+# CONFIG_CARL9170_DEBUGFS is not set
+# CONFIG_IWLWIFI_DEVICE_TRACING is not set
-CONFIG_DEBUG_OBJECTS_WORK=y
+# CONFIG_DEBUG_OBJECTS_WORK is not set
-CONFIG_DMADEVICES_DEBUG=y
-CONFIG_DMADEVICES_VDEBUG=y
+# CONFIG_DMADEVICES_DEBUG is not set
+# CONFIG_DMADEVICES_VDEBUG is not set
CONFIG_PM_ADVANCED_DEBUG=y
-CONFIG_CEPH_LIB_PRETTYDEBUG=y
-CONFIG_QUOTA_DEBUG=y
+# CONFIG_CEPH_LIB_PRETTYDEBUG is not set
+# CONFIG_QUOTA_DEBUG is not set
CONFIG_PCI_DEFAULT_USE_CRS=y
CONFIG_KGDB_KDB=y
CONFIG_KDB_KEYBOARD=y
-CONFIG_DEBUG_OBJECTS_PERCPU_COUNTER=y
-CONFIG_TEST_LIST_SORT=y
+# CONFIG_DEBUG_OBJECTS_PERCPU_COUNTER is not set
+# CONFIG_TEST_LIST_SORT is not set
-CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_DETECT_HUNG_TASK is not set
CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=120
# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
-CONFIG_X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK=y
+# CONFIG_X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK is not set
-CONFIG_DEBUG_KMEMLEAK=y
+# CONFIG_DEBUG_KMEMLEAK is not set
CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE=1024
# CONFIG_DEBUG_KMEMLEAK_TEST is not set
CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF=y
diff --git a/config-x86-generic b/config-x86-generic
index 71e9053..4ed8404 100644
--- a/config-x86-generic
+++ b/config-x86-generic
@@ -314,7 +314,7 @@ CONFIG_STRICT_DEVMEM=y
# CONFIG_NO_BOOTMEM is not set
# CONFIG_MEMTEST is not set
-CONFIG_MAXSMP=y
+# CONFIG_MAXSMP is not set
CONFIG_HP_ILO=m
diff --git a/kernel.spec b/kernel.spec
index 5582462..ebf6b72 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -62,7 +62,7 @@ Summary: The Linux kernel
# For non-released -rc kernels, this will be appended after the rcX and
# gitX tags, so a 3 here would become part of release "0.rcX.gitX.3"
#
-%global baserelease 2
+%global baserelease 1
%global fedora_build %{baserelease}
# base_sublevel is the kernel version we're starting with and patching
@@ -93,9 +93,9 @@ Summary: The Linux kernel
# The next upstream release sublevel (base_sublevel+1)
%define upstream_sublevel %(echo $((%{base_sublevel} + 1)))
# The rc snapshot level
-%define rcrev 3
+%define rcrev 4
# The git snapshot level
-%define gitrev 4
+%define gitrev 0
# Set rpm version accordingly
%define rpmversion 3.%{upstream_sublevel}.0
%endif
@@ -163,7 +163,7 @@ Summary: The Linux kernel
# Set debugbuildsenabled to 1 for production (build separate debug kernels)
# and 0 for rawhide (all kernels are debug kernels).
# See also 'make debug' and 'make release'.
-%define debugbuildsenabled 0
+%define debugbuildsenabled 1
# Want to build a vanilla kernel build without any non-upstream patches?
%define with_vanilla %{?_with_vanilla: 1} %{?!_with_vanilla: 0}
@@ -176,7 +176,7 @@ Summary: The Linux kernel
%define doc_build_fail true
%endif
-%define rawhide_skip_docs 1
+%define rawhide_skip_docs 0
%if 0%{?rawhide_skip_docs}
%define with_doc 0
%define doc_build_fail true
@@ -2323,6 +2323,10 @@ fi
# ||----w |
# || ||
%changelog
+* Mon Apr 23 2012 Josh Boyer <jwboyer at gmail.com> - 3.4.0-0.rc4.git0.1
+- Disable debugging options.
+- Linux v3.4-rc4
+
* Fri Apr 20 2012 Josh Boyer <jwboyer at redhat.com>
- Move the dlm module to modules-extra and do additional cleanup (rhbz 811547)
diff --git a/linux-2.6-32bit-mmap-exec-randomization.patch b/linux-2.6-32bit-mmap-exec-randomization.patch
index c253233..e493699 100644
--- a/linux-2.6-32bit-mmap-exec-randomization.patch
+++ b/linux-2.6-32bit-mmap-exec-randomization.patch
@@ -7,10 +7,96 @@ Heap randomisation test (PIE) : 19 bits (guessed)
Main executable randomisation (PIE) : 12 bits (guessed)
-
---- b/include/linux/sched.h
+diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
+index 1d92a5a..81fef23 100644
+--- a/arch/x86/kernel/process.c
++++ b/arch/x86/kernel/process.c
+@@ -753,6 +753,16 @@ unsigned long arch_align_stack(unsigned long sp)
+ unsigned long arch_randomize_brk(struct mm_struct *mm)
+ {
+ unsigned long range_end = mm->brk + 0x02000000;
+- return randomize_range(mm->brk, range_end, 0) ? : mm->brk;
++ unsigned long bump = 0;
++#ifdef CONFIG_X86_32
++ /* in the case of NX emulation, shove the brk segment way out of the
++ way of the exec randomization area, since it can collide with
++ future allocations if not. */
++ if ( (mm->get_unmapped_exec_area == arch_get_unmapped_exec_area) &&
++ (mm->brk < 0x08000000) ) {
++ bump = (TASK_SIZE/6);
++ }
++#endif
++ return bump + (randomize_range(mm->brk, range_end, 0) ? : mm->brk);
+ }
+
+diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c
+index 845df68..d437466 100644
+--- a/arch/x86/mm/mmap.c
++++ b/arch/x86/mm/mmap.c
+@@ -119,6 +119,12 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
+ } else {
+ mm->mmap_base = mmap_base();
+ mm->get_unmapped_area = arch_get_unmapped_area_topdown;
++#ifdef CONFIG_X86_32
++ if (!(current->personality & READ_IMPLIES_EXEC)
++ && !(__supported_pte_mask & _PAGE_NX)
++ && mmap_is_ia32())
++ mm->get_unmapped_exec_area = arch_get_unmapped_exec_area;
++#endif
+ mm->unmap_area = arch_unmap_area_topdown;
+ }
+ }
+diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c
+index 66e6d93..b80cde7 100644
+--- a/arch/x86/vdso/vdso32-setup.c
++++ b/arch/x86/vdso/vdso32-setup.c
+@@ -330,7 +330,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
+ if (compat)
+ addr = VDSO_HIGH_BASE;
+ else {
+- addr = get_unmapped_area(NULL, 0, PAGE_SIZE, 0, 0);
++ addr = get_unmapped_area_prot(NULL, 0, PAGE_SIZE, 0, 0, 1);
+ if (IS_ERR_VALUE(addr)) {
+ ret = addr;
+ goto up_fail;
+diff --git a/include/linux/mm.h b/include/linux/mm.h
+index 74aa71b..d9971db 100644
+--- a/include/linux/mm.h
++++ b/include/linux/mm.h
+@@ -1391,7 +1391,13 @@ extern int install_special_mapping(struct mm_struct *mm,
+ unsigned long addr, unsigned long len,
+ unsigned long flags, struct page **pages);
+
+-extern unsigned long get_unmapped_area(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
++extern unsigned long get_unmapped_area_prot(struct file *, unsigned long, unsigned long, unsigned long, unsigned long, int);
++
++static inline unsigned long get_unmapped_area(struct file *file, unsigned long addr,
++ unsigned long len, unsigned long pgoff, unsigned long flags)
++{
++ return get_unmapped_area_prot(file, addr, len, pgoff, flags, 0);
++}
+
+ extern unsigned long mmap_region(struct file *file, unsigned long addr,
+ unsigned long len, unsigned long flags,
+diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
+index 3cc3062..b42f00b 100644
+--- a/include/linux/mm_types.h
++++ b/include/linux/mm_types.h
+@@ -293,6 +293,9 @@ struct mm_struct {
+ unsigned long (*get_unmapped_area) (struct file *filp,
+ unsigned long addr, unsigned long len,
+ unsigned long pgoff, unsigned long flags);
++ unsigned long (*get_unmapped_exec_area) (struct file *filp,
++ unsigned long addr, unsigned long len,
++ unsigned long pgoff, unsigned long flags);
+ void (*unmap_area) (struct mm_struct *mm, unsigned long addr);
+ #endif
+ unsigned long mmap_base; /* base of mmap area */
+diff --git a/include/linux/sched.h b/include/linux/sched.h
+index 81a173c..3f9f5c4 100644
+--- a/include/linux/sched.h
+++ b/include/linux/sched.h
-@@ -397,6 +397,10 @@
+@@ -390,6 +390,10 @@ extern void arch_pick_mmap_layout(struct mm_struct *mm);
extern unsigned long
arch_get_unmapped_area(struct file *, unsigned long, unsigned long,
unsigned long, unsigned long);
@@ -21,9 +107,11 @@ Main executable randomisation (PIE) : 12 bits (guessed)
extern unsigned long
arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr,
unsigned long len, unsigned long pgoff,
---- b/mm/mmap.c
+diff --git a/mm/mmap.c b/mm/mmap.c
+index 848ef52..65650a5 100644
+--- a/mm/mmap.c
+++ b/mm/mmap.c
-@@ -28,6 +28,7 @@
+@@ -30,6 +30,7 @@
#include <linux/perf_event.h>
#include <linux/audit.h>
#include <linux/khugepaged.h>
@@ -31,7 +119,7 @@ Main executable randomisation (PIE) : 12 bits (guessed)
#include <asm/uaccess.h>
#include <asm/cacheflush.h>
-@@ -1000,7 +1001,8 @@
+@@ -995,7 +996,8 @@ static unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
/* Obtain the address to map to. we verify (or select) it and ensure
* that it represents a valid section of the address space.
*/
@@ -41,7 +129,7 @@ Main executable randomisation (PIE) : 12 bits (guessed)
if (addr & ~PAGE_MASK)
return addr;
-@@ -1552,8 +1554,8 @@
+@@ -1580,8 +1582,8 @@ void arch_unmap_area_topdown(struct mm_struct *mm, unsigned long addr)
}
unsigned long
@@ -52,7 +140,7 @@ Main executable randomisation (PIE) : 12 bits (guessed)
{
unsigned long (*get_area)(struct file *, unsigned long,
unsigned long, unsigned long, unsigned long);
-@@ -1566,7 +1568,11 @@
+@@ -1594,7 +1596,11 @@ get_unmapped_area(struct file *file, unsigned long addr, unsigned long len,
if (len > TASK_SIZE)
return -ENOMEM;
@@ -65,7 +153,7 @@ Main executable randomisation (PIE) : 12 bits (guessed)
if (file && file->f_op && file->f_op->get_unmapped_area)
get_area = file->f_op->get_unmapped_area;
addr = get_area(file, addr, len, pgoff, flags);
-@@ -1580,8 +1586,83 @@
+@@ -1608,8 +1614,83 @@ get_unmapped_area(struct file *file, unsigned long addr, unsigned long len,
return arch_rebalance_pgtables(addr, len);
}
@@ -150,71 +238,11 @@ Main executable randomisation (PIE) : 12 bits (guessed)
/* Look up the first VMA which satisfies addr < vm_end, NULL if none. */
struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
---- a/arch/x86/mm/mmap.c
-+++ b/arch/x86/mm/mmap.c
-@@ -124,13 +124,19 @@ static unsigned long mmap_legacy_base(void)
- */
- void arch_pick_mmap_layout(struct mm_struct *mm)
- {
- if (mmap_is_legacy()) {
- mm->mmap_base = mmap_legacy_base();
- mm->get_unmapped_area = arch_get_unmapped_area;
- mm->unmap_area = arch_unmap_area;
- } else {
- mm->mmap_base = mmap_base();
- mm->get_unmapped_area = arch_get_unmapped_area_topdown;
-+#ifdef CONFIG_X86_32
-+ if (!(current->personality & READ_IMPLIES_EXEC)
-+ && !(__supported_pte_mask & _PAGE_NX)
-+ && mmap_is_ia32())
-+ mm->get_unmapped_exec_area = arch_get_unmapped_exec_area;
-+#endif
- mm->unmap_area = arch_unmap_area_topdown;
- }
- }
---- a/arch/x86/vdso/vdso32-setup.c
-+++ b/arch/x86/vdso/vdso32-setup.c
-@@ -331,7 +331,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
- if (compat)
- addr = VDSO_HIGH_BASE;
- else {
-- addr = get_unmapped_area(NULL, 0, PAGE_SIZE, 0, 0);
-+ addr = get_unmapped_area_prot(NULL, 0, PAGE_SIZE, 0, 0, 1);
- if (IS_ERR_VALUE(addr)) {
- ret = addr;
- goto up_fail;
---- a/include/linux/mm.h
-+++ b/include/linux/mm.h
-@@ -1263,7 +1263,13 @@ extern int install_special_mapping(struct mm_struct *mm,
- unsigned long addr, unsigned long len,
- unsigned long flags, struct page **pages);
-
--extern unsigned long get_unmapped_area(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
-+extern unsigned long get_unmapped_area_prot(struct file *, unsigned long, unsigned long, unsigned long, unsigned long, int);
-+
-+static inline unsigned long get_unmapped_area(struct file *file, unsigned long addr,
-+ unsigned long len, unsigned long pgoff, unsigned long flags)
-+{
-+ return get_unmapped_area_prot(file, addr, len, pgoff, flags, 0);
-+}
-
- extern unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
- unsigned long len, unsigned long prot,
---- a/include/linux/mm_types.h
-+++ b/include/linux/mm_types.h
-@@ -227,6 +227,9 @@ struct mm_struct {
- unsigned long (*get_unmapped_area) (struct file *filp,
- unsigned long addr, unsigned long len,
- unsigned long pgoff, unsigned long flags);
-+ unsigned long (*get_unmapped_exec_area) (struct file *filp,
-+ unsigned long addr, unsigned long len,
-+ unsigned long pgoff, unsigned long flags);
- void (*unmap_area) (struct mm_struct *mm, unsigned long addr);
- #endif
- unsigned long mmap_base; /* base of mmap area */
+diff --git a/mm/mremap.c b/mm/mremap.c
+index db8d983..3a2d940 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
-@@ -487,10 +487,10 @@ unsigned long do_mremap(unsigned long addr,
+@@ -521,10 +521,10 @@ unsigned long do_mremap(unsigned long addr,
if (vma->vm_flags & VM_MAYSHARE)
map_flags |= MAP_SHARED;
@@ -227,25 +255,3 @@ Main executable randomisation (PIE) : 12 bits (guessed)
if (new_addr & ~PAGE_MASK) {
ret = new_addr;
goto out;
-diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
-index 57d1868..29c0c35 100644
---- a/arch/x86/kernel/process.c
-+++ b/arch/x86/kernel/process.c
-@@ -669,6 +669,16 @@ unsigned long arch_align_stack(unsigned long sp)
- unsigned long arch_randomize_brk(struct mm_struct *mm)
- {
- unsigned long range_end = mm->brk + 0x02000000;
-- return randomize_range(mm->brk, range_end, 0) ? : mm->brk;
-+ unsigned long bump = 0;
-+#ifdef CONFIG_X86_32
-+ /* in the case of NX emulation, shove the brk segment way out of the
-+ way of the exec randomization area, since it can collide with
-+ future allocations if not. */
-+ if ( (mm->get_unmapped_exec_area == arch_get_unmapped_exec_area) &&
-+ (mm->brk < 0x08000000) ) {
-+ bump = (TASK_SIZE/6);
-+ }
-+#endif
-+ return bump + (randomize_range(mm->brk, range_end, 0) ? : mm->brk);
- }
-
diff --git a/sources b/sources
index 8b3b84b..1eef44d 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,4 @@
7133f5a2086a7d7ef97abac610c094f5 linux-3.3.tar.xz
2dfdc406169c0fcec64d5f939a44aff0 patch-3.4-rc3.xz
3625feae37f8e7dbd1f3cd2243a37bed patch-3.4-rc3-git4.xz
+289c0dffa34671905f808830d1582cba patch-3.4-rc4.xz
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