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Suraj Jitindar Singh a7d6392866 powerpc/crash: Rearrange loop condition to avoid out of bounds array access 
The array crash_shutdown_handles[] has size CRASH_HANDLER_MAX, thus when
we loop over the elements of the list we check crash_shutdown_handles[i]
&& i < CRASH_HANDLER_MAX. However this means that when we increment i to
CRASH_HANDLER_MAX we will perform an out of bound array access checking
the first condition before exiting on the second condition.

To avoid the out of bounds access, simply reorder the loop conditions.

Fixes: 1d1451655bad ("powerpc: Add array bounds checking to crash_shutdown_handlers")
Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-07-14 20:26:22 +10:00
..
vdso32
powerpc: enable UBSAN support
2016-01-20 17:09:18 -08:00
vdso64
powerpc: enable UBSAN support
2016-01-20 17:09:18 -08:00
.gitignore
…
align.c
powerpc: Send SIGBUS on unaligned copy and paste
2016-07-05 23:49:51 +10:00
asm-offsets.c
powerpc/asm: Remove unused symbols in asm-offsets.c
2016-06-16 15:11:25 +10:00
audit.c
…
btext.c
powerpc/mm: Use a helper for finding pte bits mapping I/O area
2016-05-01 18:32:32 +10:00
cacheinfo.c
powerpc: Fix missing L2 cache size in /sys/devices/system/cpu
2015-04-11 20:49:28 +10:00
cacheinfo.h
…
compat_audit.c
…
cpu_setup_6xx.S
powerpc: Various typo fixes
2016-06-14 13:58:26 +10:00
cpu_setup_44x.S
…
cpu_setup_fsl_booke.S
powerpc/cache: add cache flush operation for various e500
2016-03-04 23:44:51 -06:00
cpu_setup_pa6t.S
…
cpu_setup_power.S
powerpc/perf: factor out power8 __init_pmu code
2016-07-05 23:49:47 +10:00
cpu_setup_ppc970.S
…
cputable.c
powerpc: Remove unused remnants from A2 cpu
2016-05-11 21:54:00 +10:00
crash_dump.c
powerpc: Remove superfluous bootmem includes
2014-11-10 09:59:26 +11:00
crash.c
powerpc/crash: Rearrange loop condition to avoid out of bounds array access
2016-07-14 20:26:22 +10:00
dbell.c
powerpc/powernv: Fixes for hypervisor doorbell handling
2015-03-20 14:51:53 +11:00
dma-iommu.c
powerpc/iommu: Support "hybrid" iommu/direct DMA ops for coherent_mask < dma_mask
2015-07-13 10:10:55 +10:00
dma-swiotlb.c
powerpc/iommu: Support "hybrid" iommu/direct DMA ops for coherent_mask < dma_mask
2015-07-13 10:10:55 +10:00
dma.c
powerpc/dma: dma_set_coherent_mask() should not be GPL only
2015-10-28 14:20:50 +09:00
eeh_cache.c
powerpc/eeh: Fix pr_debug()s in eeh_cache.c
2016-07-08 22:09:50 +10:00
eeh_dev.c
powerpc/pci: Delay populating pdn
2016-06-21 15:30:56 +10:00
eeh_driver.c
powerpc: Various typo fixes
2016-06-14 13:58:26 +10:00
eeh_event.c
powerpc: sparse: static-ify some things
2016-04-12 21:05:18 +10:00
eeh_pe.c
powerpc/eeh: fix misleading indentation
2016-04-27 09:19:37 +10:00
eeh_sysfs.c
powerpc/eeh: Fix PE state format
2014-11-27 09:32:58 +11:00
eeh.c
Revert "powerpc/eeh: Fix crash in eeh_add_device_early() on Cell"
2016-05-12 19:52:21 +10:00
entry_32.S
powerpc/kernel: Change the do_syscall_trace_enter() API
2015-07-29 11:56:11 +10:00
entry_64.S
powerpc: Define and use PPC64_ELF_ABI_v2/v1
2016-06-14 13:58:27 +10:00
epapr_hcalls.S
…
epapr_paravirt.c
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
2014-06-10 18:54:22 -07:00
exceptions-64e.S
powerpc: Various typo fixes
2016-06-14 13:58:26 +10:00
exceptions-64s.S
powerpc/powernv: Rename machine_check_pSeries_early() to powernv
2016-05-11 21:54:11 +10:00
fadump.c
powerpc/fadump: Fix build error introduced by recent cleanup
2016-07-05 23:49:46 +10:00
firmware.c
…
fpu.S
powerpc: Add the ability to save FPU without giving it up
2016-03-02 23:34:49 +11:00
fsl_booke_entry_mapping.S
powerpc/fsl: Force coherent memory on e500mc derivatives
2015-08-07 23:00:01 -05:00
ftrace.c
powerpc: Define and use PPC64_ELF_ABI_v2/v1
2016-06-14 13:58:27 +10:00
head_8xx.S
powerpc/8xx: rewrite set_context() in C
2016-03-11 17:20:11 -06:00
head_32.S
…
head_40x.S
powerpc: Remove check for CONFIG_SERIAL_TEXT_DEBUG
2014-06-11 16:31:21 +10:00
head_44x.S
powerpc: Fix misspellings in comments.
2016-03-01 19:27:20 +11:00
head_64.S
powerpc: Define and use PPC64_ELF_ABI_v2/v1
2016-06-14 13:58:27 +10:00
head_booke.h
…
head_fsl_booke.S
powerpc/cache: add cache flush operation for various e500
2016-03-04 23:44:51 -06:00
hw_breakpoint.c
powerpc/hw_breakpoint: Fix oops when destroying hw_breakpoint event
2016-03-03 22:06:08 +11:00
ibmebus.c
powerpc: sparse: static-ify some things
2016-04-12 21:05:18 +10:00
idle_6xx.S
…
idle_book3e.S
powerpc: No need to use dot symbols when branching to a function
2014-04-23 10:05:16 +10:00
idle_e500.S
powerpc/e500mc: Remove dead L2 flushing code in idle_e500.S
2015-06-02 21:37:19 -05:00
idle_power4.S
powerpc: No need to use dot symbols when branching to a function
2014-04-23 10:05:16 +10:00
idle_power7.S
powerpc/mm: Move hash related mmu-*.h headers to book3s/
2016-03-03 21:19:21 +11:00
idle.c
…
io-workarounds.c
powerpc/mm: Differentiate between hugetlb and THP during page walk
2015-10-12 15:30:09 +11:00
io.c
powerpc/powernv: Add PIO accessors for Power8 LPC bus
2013-08-14 14:58:08 +10:00
iomap.c
powerpc/kerenl: Enable EEH for IO accessors
2014-06-24 12:43:13 +10:00
iommu.c
powerpc/iommu/powernv: Release replaced TCE
2015-06-11 15:16:49 +10:00
irq.c
powerpc: Fix typo in comment reference to CONFIG_TRACE_IRQFLAGS
2016-07-08 22:10:03 +10:00
isa-bridge.c
powerpc/mm: Use a helper for finding pte bits mapping I/O area
2016-05-01 18:32:32 +10:00
jump_label.c
jump_label: Rename JUMP_LABEL_{EN,DIS}ABLE to JUMP_LABEL_{JMP,NOP}
2015-08-03 11:34:12 +02:00
kgdb.c
powerpc: Fix kgdb on little endian ppc64le
2016-02-18 00:03:26 +11:00
kprobes.c
powerpc/kprobes: Remove kretprobe_trampoline_holder.
2016-06-21 15:30:49 +10:00
kvm_emul.S
…
kvm.c
powerpc: Remove redundant breaks
2015-08-06 15:10:20 +10:00
l2cr_6xx.S
…
legacy_serial.c
powerpc: make of_device_ids const
2014-09-25 23:14:46 +10:00
machine_kexec_32.c
…
machine_kexec_64.c
powerpc: Introduce asm-prototypes.h
2016-06-16 22:39:54 +10:00
machine_kexec.c
powerpc: Update of_remove_property() call sites to remove null checking
2016-05-11 21:54:04 +10:00
Makefile
powerpc/ftrace: Use $(CC_FLAGS_FTRACE) when disabling ftrace
2016-03-07 14:53:55 +11:00
mce_power.c
powerpc/mm/radix: Fix CONFIG_PPC_MMU_STD_64 typo
2016-05-11 21:53:59 +10:00
mce.c
powerpc updates for 4.7
2016-05-20 10:12:41 -07:00
misc_32.S
powerpc/32: Get rid of sub_reloc_offset()
2016-06-14 13:58:26 +10:00
misc_64.S
powerpc: Define and use PPC64_ELF_ABI_v2/v1
2016-06-14 13:58:27 +10:00
misc.S
powerpc: Rename __get_SP() to current_stack_pointer()
2014-10-15 11:23:20 +11:00
module_32.c
powerpc/module: Only try to generate the ftrace_caller() stub once
2016-03-07 14:53:53 +11:00
module_64.c
powerpc: Define and use PPC64_ELF_ABI_v2/v1
2016-06-14 13:58:27 +10:00
module.c
powerpc/module: Only try to generate the ftrace_caller() stub once
2016-03-07 14:53:53 +11:00
msi.c
powerpc: Remove MSI-related PCI controller ops from ppc_md
2015-06-02 11:47:45 +10:00
nvram_64.c
powerpc: make kernel/nvram_64.c explicitly non-modular
2016-04-11 20:30:43 +10:00
of_platform.c
powerpc/eeh: Do probe on pci_dn
2015-03-24 13:15:52 +11:00
paca.c
powerpc: Create a helper for getting the kernel toc value
2016-03-07 14:53:52 +11:00
pci_32.c
powerpc: Remove more traces of bootmem
2014-11-19 21:41:51 +11:00
pci_64.c
powerpc: Various typo fixes
2016-06-14 13:58:26 +10:00
pci_dn.c
powerpc/pci: Fix build with PCI_IOV=y and EEH=n
2016-07-07 16:33:27 +10:00
pci_of_scan.c
PCI/MSI: Initialize MSI capability for all architectures
2015-11-24 17:45:18 -06:00
pci-common.c
powerpc/pci: Assign fixed PHB number based on device-tree properties
2016-07-07 22:06:55 +10:00
pci-hotplug.c
powerpc/pci: Don't scan empty slot
2016-05-11 21:54:26 +10:00
pmc.c
…
ppc32.h
…
ppc_ksyms_32.c
powerpc32: Remove clear_pages() and define clear_page() inline
2016-03-11 17:20:11 -06:00
ppc_ksyms.c
powerpc32: move xxxxx_dcache_range() functions inline
2016-03-11 17:20:12 -06:00
ppc_save_regs.S
…
proc_powerpc.c
…
process.c
powerpc: Load Monitor Register Support
2016-06-21 15:30:50 +10:00
prom_init_check.sh
powerpc: Simplify symbol check in prom_init_check.sh
2014-09-25 23:14:46 +10:00
prom_init.c
powerpc/pseries: Fix IBM_ARCH_VEC_NRCORES_OFFSET since POWER8NVL was added
2016-06-08 10:40:05 +10:00
prom_parse.c
powerpc: of_parse_dma_window should take a __be32 *dma_window
2013-08-14 15:33:26 +10:00
prom.c
powerpc: Move epapr_paravirt_early_init() to early_init_devtree()
2016-07-11 20:09:40 +10:00
ptrace32.c
powerpc: move debug registers in a structure
2013-10-18 18:44:49 -05:00
ptrace.c
powerpc/ptrace: Fix out of bounds array access warning
2016-06-06 10:48:07 +10:00
reloc_32.S
…
reloc_64.S
powerpc: Align p_dyn, p_rela and p_st symbols
2014-03-07 13:50:19 +11:00
rtas_flash.c
powerpc: Fix endianness of flash_block_list in rtas_flash
2014-07-28 11:30:54 +10:00
rtas_pci.c
powerpc: move find_and_init_phbs() to pSeries specific code
2015-04-11 20:49:09 +10:00
rtas-proc.c
powerpc: Various typo fixes
2016-06-14 13:58:26 +10:00
rtas-rtc.c
…
rtas.c
powerpc/rtas: Don't test for machine type in rtas_initialize()
2016-07-13 18:15:38 +10:00
rtasd.c
powerpc/pseries: start rtasd before PCI probing
2016-07-08 19:22:15 +10:00
setup_32.c
powerpc: Move epapr_paravirt_early_init() to early_init_devtree()
2016-07-11 20:09:40 +10:00
setup_64.c
powerpc: Move epapr_paravirt_early_init() to early_init_devtree()
2016-07-11 20:09:40 +10:00
setup-common.c
powerpc: Don't test for machine type in smp_setup_cpu_maps()
2016-07-13 18:15:38 +10:00
signal_32.c
powerpc fixes for 4.4 #2
2015-12-14 20:40:32 +11:00
signal_64.c
powerpc: Avoid load hit store in setup_sigcontext()
2016-06-14 13:58:25 +10:00
signal.c
powerpc: Fix misspellings in comments.
2016-03-01 19:27:20 +11:00
signal.h
powerpc: Fix misspellings in comments.
2016-03-01 19:27:20 +11:00
smp-tbsync.c
powerpc: Delete non-required instances of include <linux/init.h>
2014-01-15 13:46:44 +11:00
smp.c
powerpc: export cpu_to_core_id()
2016-06-21 15:30:51 +10:00
stacktrace.c
powerpc: Implement save_stack_trace_regs() to enable kprobe stack tracing
2016-01-11 14:27:28 +11:00
suspend.c
nosave: consolidate __nosave_{begin,end} in <asm/sections.h>
2014-10-09 22:26:04 -04:00
swsusp_32.S
…
swsusp_64.c
…
swsusp_asm64.S
powerpc: Only save/restore SDR1 if in hypervisor mode
2013-10-31 12:37:29 +11:00
swsusp_booke.S
powerpc/fsl-booke: Use SPRN_SPRGn rather than mfsprg/mtsprg
2014-01-07 19:06:03 -06:00
swsusp.c
powerpc/mm: Abstraction for switch_mmu_context()
2016-05-01 18:33:04 +10:00
sys_ppc32.c
…
syscalls.c
powerpc: Add a proper syscall for switching endianness
2015-03-28 22:03:40 +11:00
sysfs.c
powerpc/sparse: make some things static
2016-06-16 22:23:11 +10:00
systbl_chk.c
powerpc: Standardise on NR_syscalls rather than __NR_syscalls.
2015-11-26 22:11:17 +11:00
systbl_chk.sh
powerpc: Standardise on NR_syscalls rather than __NR_syscalls.
2015-11-26 22:11:17 +11:00
systbl.S
powerpc: Add a proper syscall for switching endianness
2015-03-28 22:03:40 +11:00
tau_6xx.c
…
time.c
powerpc/timer: Large Decrementer support
2016-07-05 23:58:53 +10:00
tm.S
powerpc/kernel: Rename PACA_DSCR to PACA_DSCR_DEFAULT
2015-06-07 19:29:00 +10:00
trace_clock.c
powerpc/ftrace: add powerpc timebase as a trace clock source
2015-08-06 16:36:23 +10:00
traps.c
powerpc: Load Monitor Register Support
2016-06-21 15:30:50 +10:00
udbg_16550.c
powerpc: Fix bad NULL pointer check in udbg_uart_getc_poll()
2014-11-12 13:47:20 +11:00
udbg.c
powerpc: Remove the celleb support
2015-04-07 17:15:13 +10:00
uprobes.c
uprobes/powerpc: Kill arch_uprobe->ainsn
2013-11-20 16:31:01 +01:00
vdso.c
vdso: make arch_setup_additional_pages wait for mmap_sem for write killable
2016-05-23 17:04:14 -07:00
vecemu.c
powerpc: Put FP/VSX and VR state into structures
2013-10-11 17:26:49 +11:00
vector.S
powerpc: Add the ability to save VSX without giving it up
2016-03-02 23:34:50 +11:00
vio.c
powerpc: sparse: static-ify some things
2016-04-12 21:05:18 +10:00
vmlinux.lds.S
arch, ftrace: for KASAN put hard/soft IRQ entries into separate sections
2016-03-25 16:37:42 -07:00