Yongqiang Liu 3cdd91a916 cpufreq: Init completion before kobject_init_and_add() ... commit 5c51054896bcce1d33d39fead2af73fec24f40b6 upstream. In cpufreq_policy_alloc(), it will call uninitialed completion in cpufreq_sysfs_release() when kobject_init_and_add() fails. And that will cause a crash such as the following page fault in complete: BUG: unable to handle page fault for address: fffffffffffffff8 [..] RIP: 0010:complete+0x98/0x1f0 [..] Call Trace: kobject_put+0x1be/0x4c0 cpufreq_online.cold+0xee/0x1fd cpufreq_add_dev+0x183/0x1e0 subsys_interface_register+0x3f5/0x4e0 cpufreq_register_driver+0x3b7/0x670 acpi_cpufreq_init+0x56c/0x1000 [acpi_cpufreq] do_one_initcall+0x13d/0x780 do_init_module+0x1c3/0x630 load_module+0x6e67/0x73b0 __do_sys_finit_module+0x181/0x240 do_syscall_64+0x35/0x80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Fixes: 4ebe36c94a ("cpufreq: Fix kobject memleak") Signed-off-by: Yongqiang Liu <liuyongqiang13@huawei.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Cc: 5.2+ <stable@vger.kernel.org> # 5.2+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2023-01-18 11:41:46 +01:00
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acpi-cpufreq.c	x86/devicetable: Move x86 specific macro out of generic code	2022-10-07 09:16:54 +02:00
amd_freq_sensitivity.c	cpufreq: amd_freq_sensitivity: Add missing pci_dev_put()	2023-01-18 11:40:55 +01:00
arm_big_little.c
arm_big_little.h
armada-8k-cpufreq.c
armada-37xx-cpufreq.c
bmips-cpufreq.c
brcmstb-avs-cpufreq.c
cppc_cpufreq.c
cpufreq_conservative.c
cpufreq_governor_attr_set.c
cpufreq_governor.c
cpufreq_governor.h
cpufreq_ondemand.c
cpufreq_ondemand.h
cpufreq_performance.c
cpufreq_powersave.c
cpufreq_stats.c
cpufreq_userspace.c
cpufreq-dt-platdev.c
cpufreq-dt.c
cpufreq-dt.h
cpufreq-nforce2.c
cpufreq.c	cpufreq: Init completion before kobject_init_and_add()	2023-01-18 11:41:46 +01:00
davinci-cpufreq.c
e_powersaver.c
elanfreq.c
freq_table.c
gx-suspmod.c
highbank-cpufreq.c
ia64-acpi-cpufreq.c
imx6q-cpufreq.c
imx-cpufreq-dt.c
intel_pstate.c
Kconfig
Kconfig.arm
Kconfig.powerpc
Kconfig.x86
kirkwood-cpufreq.c
longhaul.c
longhaul.h
longrun.c
loongson1-cpufreq.c
loongson2_cpufreq.c
Makefile
maple-cpufreq.c
mediatek-cpufreq.c
mvebu-cpufreq.c
omap-cpufreq.c
p4-clockmod.c
pasemi-cpufreq.c
pcc-cpufreq.c
pmac32-cpufreq.c	cpufreq: pmac32-cpufreq: Fix refcount leak bug	2022-07-21 20:59:24 +02:00
pmac64-cpufreq.c
powernow-k6.c
powernow-k7.c
powernow-k7.h
powernow-k8.c
powernow-k8.h
powernv-cpufreq.c
ppc_cbe_cpufreq_pervasive.c
ppc_cbe_cpufreq_pmi.c
ppc_cbe_cpufreq.c
ppc_cbe_cpufreq.h
pxa2xx-cpufreq.c
pxa3xx-cpufreq.c
qcom-cpufreq-hw.c
qcom-cpufreq-nvmem.c
qoriq-cpufreq.c
raspberrypi-cpufreq.c
s3c24xx-cpufreq-debugfs.c
s3c24xx-cpufreq.c
s3c64xx-cpufreq.c
s3c2410-cpufreq.c
s3c2412-cpufreq.c
s3c2416-cpufreq.c
s3c2440-cpufreq.c
s5pv210-cpufreq.c
sa1100-cpufreq.c
sa1110-cpufreq.c
sc520_freq.c
scmi-cpufreq.c
scpi-cpufreq.c
sfi-cpufreq.c
sh-cpufreq.c
sparc-us2e-cpufreq.c
sparc-us3-cpufreq.c
spear-cpufreq.c
speedstep-centrino.c
speedstep-ich.c
speedstep-lib.c
speedstep-lib.h
speedstep-smi.c
sti-cpufreq.c
sun50i-cpufreq-nvmem.c
tango-cpufreq.c
tegra20-cpufreq.c
tegra124-cpufreq.c
tegra186-cpufreq.c
ti-cpufreq.c
unicore2-cpufreq.c
vexpress-spc-cpufreq.c