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Guangshuo Li ca46d2092f powerpc/smp: Add check for kcalloc() failure in parse_thread_groups() 
[ Upstream commit 33c1c6d8a2 ]

As kcalloc() may fail, check its return value to avoid a NULL pointer
dereference when passing it to of_property_read_u32_array().

Fixes: 790a1662d3 ("powerpc/smp: Parse ibm,thread-groups with multiple properties")
Cc: stable@vger.kernel.org
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Guangshuo Li <lgs201920130244@gmail.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20250923133235.1862108-1-lgs201920130244@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2026-03-04 07:21:51 -05:00
..
ptrace
powerpc: Fix typos
2024-05-08 00:21:30 +10:00
syscalls
powerpc: restore some missing spu syscalls
2024-06-25 15:57:26 +02:00
trace
ftrace: Make ftrace_regs abstract from direct use
2026-03-04 07:19:36 -05:00
vdso
powerpc/vdso: Fix build of VDSO32 with pcrel
2025-06-27 11:11:36 +01:00
.gitignore
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85xx_entry_mapping.S
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align.c
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asm-offsets.c
arch: Add the macro COMPILE_OFFSETS to all the asm-offsets.c
2025-11-02 22:15:22 +09:00
audit_32.h
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audit.c
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btext.c
powerpc: Add reloc_offset() to font bitmap pointer used for bootx_printf()
2026-01-08 10:14:22 +01:00
cacheinfo.c
powerpc: Constify struct kobj_type
2024-09-05 22:25:36 +10:00
cacheinfo.h
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compat_audit.c
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cpu_setup_6xx.S
powerpc: rename SPRN_HID2 define to SPRN_HID2_750FX
2024-05-08 00:25:00 +10:00
cpu_setup_44x.S
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cpu_setup_e500.S
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cpu_setup_pa6t.S
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cpu_setup_power.c
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cpu_setup_ppc970.S
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cpu_specs_8xx.h
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cpu_specs_44x.h
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cpu_specs_47x.h
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cpu_specs_85xx.h
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cpu_specs_book3s_32.h
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cpu_specs_book3s_64.h
powerpc: Add Power11 architected and raw mode
2024-02-21 23:11:00 +11:00
cpu_specs_e500mc.h
powerpc/cputable: Add missing PPC_FEATURE_BOOKE on PPC64 Book-E
2024-02-14 14:24:06 +11:00
cpu_specs.h
powerpc: Remove core support for 40x
2024-06-28 22:28:47 +10:00
cputable.c
powerpc: Make cpu_spec __ro_after_init
2023-11-27 22:01:14 +11:00
crash_dump.c
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dawr.c
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dbell.c
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dexcr.c
powerpc/dexcr: Add DEXCR prctl interface
2024-05-06 22:04:31 +10:00
dma-iommu.c
change alloc_pages name in dma_map_ops to avoid name conflicts
2024-04-25 20:55:53 -07:00
dma-mask.c
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dma-swiotlb.c
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dt_cpu_ftrs.c
of/fdt: add dt_phys arg to early_init_dt_scan and early_init_dt_verify
2024-12-05 14:01:32 +01:00
early_32.c
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eeh_cache.c
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eeh_driver.c
powerpc/eeh: fix recursive pci_lock_rescan_remove locking in EEH event handling
2026-03-04 07:19:44 -05:00
eeh_event.c
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eeh_pe.c
powerpc/eeh: fix recursive pci_lock_rescan_remove locking in EEH event handling
2026-03-04 07:19:44 -05:00
eeh_sysfs.c
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eeh.c
powerpc/eeh: Export eeh_unfreeze_pe()
2025-08-15 12:14:03 +02:00
entry_32.S
powerpc/32: Fix unpaired stwcx. on interrupt exit
2025-12-18 13:54:56 +01:00
epapr_hcalls.S
powerpc/4xx: Remove CONFIG_BOOKE_OR_40x
2024-06-28 22:28:48 +10:00
epapr_paravirt.c
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exceptions-64e.S
powerpc/64e: drop unused TLB miss handlers
2024-07-12 15:52:15 -07:00
exceptions-64s.S
powerpc/64s: Remove the "fast endian switch" syscall
2024-09-05 22:30:05 +10:00
fadump.c
fadump: reserve param area if below boot_mem_top
2024-12-05 14:02:12 +01:00
firmware.c
powerpc: Export kvm_guest static key, for bcachefs six locks
2024-01-01 11:47:38 -05:00
fpu.S
powerpc: Don't clobber f0/vs0 during fp|altivec register save
2023-11-28 23:04:43 +11:00
head_8xx.S
powerpc/8xx: Remove left-over instruction and comments in DataStoreTLBMiss handler
2025-10-15 11:59:54 +02:00
head_32.h
powerpc: Remove core support for 40x
2024-06-28 22:28:47 +10:00
head_44x.S
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head_64.S
powerpc/64s: Fix unnecessary copy to 0 when kernel is booted at address 0
2024-06-23 11:54:13 +10:00
head_85xx.S
powerpc/e500: use contiguous PMD instead of hugepd
2024-07-12 15:52:18 -07:00
head_book3s_32.S
powerpc/603: Inconditionally use task PGDIR in DTLB misses
2024-08-30 21:29:55 +10:00
head_booke.h
powerpc: Remove core support for 40x
2024-06-28 22:28:47 +10:00
hw_breakpoint_constraints.c
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hw_breakpoint.c
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idle_6xx.S
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idle_64e.S
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idle_85xx.S
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idle_book3s.S
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idle.c
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ima_arch.c
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interrupt_64.S
powerpc/64: Set task pt_regs->link to the LR value on scv entry
2024-02-05 22:43:19 +11:00
interrupt.c
treewide: context_tracking: Rename CONTEXT_* into CT_STATE_*
2024-07-29 07:33:10 +05:30
io-workarounds.c
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io.c
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iomap.c
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iommu.c
powerpc/pseries/iommu: IOMMU incorrectly marks MMIO range in DDW
2025-02-08 09:56:52 +01:00
irq_64.c
work around gcc bugs with 'asm goto' with outputs
2024-02-09 15:57:48 -08:00
irq.c
powerpc/4xx: Remove CONFIG_BOOKE_OR_40x
2024-06-28 22:28:48 +10:00
isa-bridge.c
mm: Introduce vmap_page_range() to map pages in PCI address space
2024-03-11 16:58:10 +01:00
jump_label.c
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kdebugfs.c
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kgdb.c
powerpc/4xx: Remove CONFIG_BOOKE_OR_40x
2024-06-28 22:28:48 +10:00
kprobes-ftrace.c
kprobe/ftrace: bail out if ftrace was killed
2024-05-16 07:23:30 +09:00
kprobes.c
powerpc: Replace kretprobe code with rethook on powerpc
2024-09-05 22:25:36 +10:00
kvm_emul.S
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kvm.c
powerpc/kvm: Fix ifdef to remove build warning
2025-09-04 15:31:45 +02:00
l2cr_6xx.S
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legacy_serial.c
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Makefile
powerpc/kernel: Fix ppc_save_regs inclusion in build
2025-07-10 16:05:13 +02:00
mce_power.c
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mce.c
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misc_32.S
powerpc: Remove core support for 40x
2024-06-28 22:28:47 +10:00
misc_64.S
powerpc: Fix typos
2024-05-08 00:21:30 +10:00
misc.S
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module_32.c
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module_64.c
powerpc/64: Convert patch_instruction() to patch_u32()
2024-08-21 20:15:13 +10:00
module.c
Merge tag 'powerpc-6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2024-05-17 09:05:46 -07:00
msi.c
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note.S
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nvram_64.c
printk: Add a short description string to kmsg_dump()
2024-07-17 12:35:24 +02:00
of_platform.c
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optprobes_head.S
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optprobes.c
powerpc: Replace kretprobe code with rethook on powerpc
2024-09-05 22:25:36 +10:00
paca.c
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pci_32.c
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pci_64.c
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pci_dn.c
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pci_of_scan.c
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pci-common.c
arch: Rename fbdev header and source files
2024-05-03 17:07:50 +02:00
pci-hotplug.c
PCI: pnv_php: Fix surprise plug detection and recovery
2025-08-15 12:14:04 +02:00
pmc.c
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ppc_save_regs.S
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proc_powerpc.c
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process.c
powerpc/64s/slb: Fix SLB multihit issue during SLB preload
2026-01-08 10:14:41 +01:00
prom_entry_64.S
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prom_init_check.sh
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prom_init.c
powerpc/prom_init: Fixup missing #size-cells on PowerBook6,7
2025-05-29 11:02:26 +02:00
prom_parse.c
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prom.c
powerpc/fadump: allocate memory for additional parameters early
2024-12-05 14:02:11 +01:00
reloc_32.S
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reloc_64.S
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rethook.c
powerpc: Replace kretprobe code with rethook on powerpc
2024-09-05 22:25:36 +10:00
rtas_entry.S
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rtas_flash.c
powerpc: add missing MODULE_DESCRIPTION() macros
2024-07-04 22:39:20 +10:00
rtas_pci.c
powerpc/rtas_pci: rename and properly expose config access APIs
2023-11-28 21:49:45 +11:00
rtas-proc.c
powerpc/rtas: Fix ppc_rtas_rmo_buf_show() kernel-doc
2023-11-07 13:13:45 +11:00
rtas-rtc.c
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rtas.c
powerpc/rtas: Prevent Spectre v1 gadget construction in sys_rtas()
2024-06-28 22:28:58 +10:00
rtasd.c
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secure_boot.c
powerpc: Stop using of_root
2024-03-03 22:20:29 +11:00
security.c
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secvar-ops.c
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secvar-sysfs.c
powerpc: Constify struct kobj_type
2024-09-05 22:25:36 +10:00
setup_32.c
powerpc/4xx: Remove CONFIG_BOOKE_OR_40x
2024-06-28 22:28:48 +10:00
setup_64.c
powerpc/pseries: Fix KVM guest detection for disabling hardlockup detector
2024-12-05 14:02:43 +01:00
setup-common.c
powerpc/fadump: Move fadump_cma_init to setup_arch() after initmem_init()
2024-12-05 14:02:04 +01:00
setup.h
powerpc/4xx: Remove CONFIG_BOOKE_OR_40x
2024-06-28 22:28:48 +10:00
signal_32.c
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signal_64.c
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signal.c
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signal.h
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smp-tbsync.c
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smp.c
powerpc/smp: Add check for kcalloc() failure in parse_thread_groups()
2026-03-04 07:21:51 -05:00
stacktrace.c
powerpc: Replace kretprobe code with rethook on powerpc
2024-09-05 22:25:36 +10:00
static_call.c
powerpc/32: Convert patch_instruction() to patch_uint()
2024-08-21 20:15:13 +10:00
suspend.c
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switch.S
…
swsusp_32.S
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swsusp_64.c
powerpc/suspend: Add prototype for do_after_copyback()
2023-11-30 13:15:49 +11:00
swsusp_85xx.S
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swsusp_asm64.S
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swsusp.c
…
sys_ppc32.c
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syscall.c
treewide: context_tracking: Rename CONTEXT_* into CT_STATE_*
2024-07-29 07:33:10 +05:30
syscalls.c
…
sysfs.c
powerpc: Fix typos
2024-05-08 00:21:30 +10:00
systbl.c
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tau_6xx.c
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time.c
powerpc/4xx: Remove CONFIG_BOOKE_OR_40x
2024-06-28 22:28:48 +10:00
tm.S
…
traps.c
powerpc/traps: Use backlight power constants
2024-08-07 22:48:26 +10:00
ucall.S
…
udbg_16550.c
powerpc: Remove core support for 40x
2024-06-28 22:28:47 +10:00
udbg.c
powerpc: Remove core support for 40x
2024-06-28 22:28:47 +10:00
uprobes.c
…
vdso32_wrapper.S
…
vdso64_wrapper.S
…
vdso.c
powerpc/vdso: refactor error handling
2024-09-01 20:26:13 -07:00
vecemu.c
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vector.S
powerpc: Don't clobber f0/vs0 during fp|altivec register save
2023-11-28 23:04:43 +11:00
vmlinux.lds.S
init/modpost: conditionally check section mismatch to __meminit*
2024-07-12 16:39:52 -07:00
watchdog.c
…