linux-kernel - Re: kmemleak panic

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Date:   Fri, 18 Jan 2019 12:38:33 -0500
From:   Qian Cai <cai@....pw>
To:     Marc Gonzalez <marc.w.gonzalez@...e.fr>,
        Catalin Marinas <catalin.marinas@....com>
Cc:     Robin Murphy <robin.murphy@....com>,
        Mark Rutland <mark.rutland@....com>,
        Arnd Bergmann <arnd@...db.de>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Oscar Salvador <osalvador@...e.de>,
        Wei Yang <richard.weiyang@...il.com>,
        Michal Hocko <mhocko@...e.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Sri Krishna chowdary <schowdary@...dia.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: kmemleak panic



On 1/18/19 12:05 PM, Marc Gonzalez wrote:
> On 18/01/2019 17:14, Qian Cai wrote:
> 
>> This looks like something different from the original "invalid PFNs from
>> pfn_to_online_page()" issue. What's your .config ?
> 
> Here's my defconfig:
> 
> # CONFIG_SWAP is not set
> CONFIG_NO_HZ_IDLE=y
> CONFIG_HIGH_RES_TIMERS=y
> CONFIG_PREEMPT=y
> CONFIG_IKCONFIG=y
> CONFIG_IKCONFIG_PROC=y
> CONFIG_LOG_BUF_SHIFT=20
> CONFIG_BLK_DEV_INITRD=y
> CONFIG_ARCH_QCOM=y
> # CONFIG_EFI is not set
> # CONFIG_SUSPEND is not set
> CONFIG_PM=y
> # CONFIG_MQ_IOSCHED_DEADLINE is not set
> # CONFIG_MQ_IOSCHED_KYBER is not set
> CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
> CONFIG_DEVTMPFS=y
> CONFIG_DEVTMPFS_MOUNT=y
> # CONFIG_BLK_DEV is not set
> # CONFIG_INPUT_KEYBOARD is not set
> # CONFIG_INPUT_MOUSE is not set
> # CONFIG_SERIO_SERPORT is not set
> CONFIG_VT_HW_CONSOLE_BINDING=y
> CONFIG_LEGACY_PTY_COUNT=16
> CONFIG_SERIAL_8250=y
> CONFIG_SERIAL_MSM=y
> CONFIG_SERIAL_MSM_CONSOLE=y
> CONFIG_SERIAL_DEV_BUS=y
> # CONFIG_HW_RANDOM is not set
> # CONFIG_HWMON is not set
> CONFIG_REGULATOR=y
> CONFIG_REGULATOR_FIXED_VOLTAGE=y
> CONFIG_REGULATOR_QCOM_SMD_RPM=y
> # CONFIG_HID is not set
> # CONFIG_USB_SUPPORT is not set
> # CONFIG_COMMON_CLK_XGENE is not set
> CONFIG_COMMON_CLK_QCOM=y
> # CONFIG_QCOM_A53PLL is not set
> # CONFIG_QCOM_CLK_APCS_MSM8916 is not set
> CONFIG_QCOM_CLK_SMD_RPM=y
> CONFIG_MSM_GCC_8998=y
> CONFIG_HWSPINLOCK=y
> CONFIG_HWSPINLOCK_QCOM=y
> CONFIG_MAILBOX=y
> CONFIG_QCOM_APCS_IPC=y
> CONFIG_RPMSG_QCOM_GLINK_RPM=y
> CONFIG_RPMSG_QCOM_GLINK_SMEM=y
> CONFIG_RPMSG_QCOM_SMD=y
> CONFIG_RPMSG_VIRTIO=y
> CONFIG_QCOM_COMMAND_DB=y
> CONFIG_QCOM_SMEM=y
> CONFIG_QCOM_SMD_RPM=y
> CONFIG_TMPFS=y
> CONFIG_DEBUG_INFO=y
> CONFIG_DEBUG_KERNEL=y
> CONFIG_DEBUG_KMEMLEAK=y
> CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE=4000
> CONFIG_FUNCTION_TRACER=y
> 

This is truncated. I'll need your whole .config file, so I can try to reproduce
it here on an arm64 ThunderX2 server.