Andy Lutomirski 46aea38734 x86/mm/64: In vmalloc_fault(), use CR3 instead of current->active_mm ...

If we get a vmalloc fault while current->active_mm->pgd doesn't
match CR3, we'll crash without this change.  I've seen this failure
mode on heavily instrumented kernels with virtually mapped stacks.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/4650d7674185f165ed8fdf9ac4c5c35c5c179ba8.1468527351.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

2016-07-15 10:26:27 +02:00

..

kmemcheck

x86: Replace __get_cpu_var uses

2014-08-26 13:45:49 -04:00

amdtopology.c

x86/mm/numa: Simplify some bit mangling

2013-04-10 19:06:26 +02:00

debug_pagetables.c

x86/mm/ptdump: Make (debugfs)/kernel_page_tables read-only

2015-12-04 12:55:01 +01:00

dump_pagetables.c

x86/mm/ptdump: Remove paravirt_enabled()

2016-02-20 12:25:45 +01:00

extable.c

x86/segments/64: When loadsegment(fs, ...) fails, clear the base

2016-04-29 11:56:41 +02:00

fault.c

x86/mm/64: In vmalloc_fault(), use CR3 instead of current->active_mm

2016-07-15 10:26:27 +02:00

gup.c

Merge branch 'mm-pkeys-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2016-03-20 19:08:56 -07:00

highmem_32.c

kmap_atomic_to_page() has no users, remove it

2015-11-09 15:11:24 -08:00

hugetlbpage.c

x86: mm: use hugetlb_bad_size()

2016-05-19 19:12:14 -07:00

ident_map.c

x86/boot: Add missing file header comments

2016-05-10 10:12:03 +02:00

init_32.c

Merge branch 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2016-05-16 15:54:01 -07:00

init_64.c

x86/mm/hotplug: Don't remove PGD entries in remove_pagetable()

2016-07-15 10:26:24 +02:00

init.c

x86/cpufeature: Remove cpu_has_pse

2016-03-31 13:35:10 +02:00

iomap_32.c

Merge branch 'x86-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2015-06-22 17:59:09 -07:00

ioremap.c

x86/cpufeature: Remove cpu_has_pse

2016-03-31 13:35:10 +02:00

kasan_init_64.c

x86/kasan: Write protect kasan zero shadow

2016-02-09 13:33:14 +01:00

kmmio.c

x86/mm/kmmio: Fix mmiotrace for hugepages

2016-03-05 13:24:41 +01:00

Makefile

x86/mm: Build arch/x86/mm/tlb.c even on !SMP

2016-04-28 11:44:19 +02:00

mm_internal.h

x86: Enable PAT to use cache mode translation tables

2014-11-16 11:04:26 +01:00

mmap.c

Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2016-03-15 10:45:39 -07:00

mmio-mod.c

x86: delete __cpuinit usage from all x86 files

2013-07-14 19:36:56 -04:00

mpx.c

Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2016-03-24 09:47:32 -07:00

numa_32.c

x86: Fix the initialization of physnode_map

2014-02-01 22:15:51 -08:00

numa_64.c

x86, mm: kill numa_free_all_bootmem()

2012-11-17 11:59:47 -08:00

numa_emulation.c

x86: delete __cpuinit usage from all x86 files

2013-07-14 19:36:56 -04:00

numa_internal.h

x86-32, mm: Rip out x86_32 NUMA remapping code

2013-01-31 14:12:30 -08:00

numa.c

include/linux/nodemask.h: create next_node_in() helper

2016-05-19 19:12:14 -07:00

pageattr-test.c

x86/mm/pat: Make mm/pageattr[-test].c explicitly non-modular

2015-08-25 09:48:38 +02:00

pageattr.c

x86/mm: Remove kernel_unmap_pages_in_pgd() and efi_cleanup_page_tables()

2016-07-15 10:26:26 +02:00

pat_internal.h

x86/mm/pat: Convert to pr_*() usage

2015-05-27 14:40:59 +02:00

pat_rbtree.c

x86/mm/pat: Change free_memtype() to support shrinking case

2016-01-05 11:10:23 +01:00

pat.c

x86/mm/pat, /dev/mem: Remove superfluous error message

2016-07-08 11:52:58 +02:00

pf_in.c

x86: Eliminate various 'set but not used' warnings

2011-05-21 19:10:33 +02:00

pf_in.h

…

pgtable_32.c

x86/mm: Use pte_none() to test for empty PTE

2016-07-13 09:43:25 +02:00

pgtable.c

x86: get rid of superfluous __GFP_REPEAT

2016-06-24 17:23:52 -07:00

physaddr.c

x86, mm: Make DEBUG_VIRTUAL work earlier in boot

2013-01-25 16:33:22 -08:00

physaddr.h

…

pkeys.c

mm/core, x86/mm/pkeys: Add execute-only protection keys support

2016-02-18 19:46:33 +01:00

setup_nx.c

Revert "x86/mm/32: Set NX in __supported_pte_mask before enabling paging"

2016-04-26 19:52:57 +02:00

srat.c

x86/mm: Introduce max_possible_pfn

2015-12-06 12:46:31 +01:00

testmmiotrace.c

x86, kmmio/mmiotrace: Fix double free of kmmio_fault_pages

2010-06-18 11:30:09 +02:00

tlb.c

x86/mm, sched/core: Turn off IRQs in switch_mm()

2016-04-28 11:44:20 +02:00