From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Stable <stable@vger.kernel.org>, Jan Engelhardt <jengelh@inai.de>,
linux-arch@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH 3.18 04/57] vm: add VM_FAULT_SIGSEGV handling support
Date: Wed, 11 Feb 2015 11:43:07 +0800 [thread overview]
Message-ID: <20150211034307.GA2932@kroah.com> (raw)
In-Reply-To: <CALYGNiPVvgxMFyDTSFv4mUhkq-5Q+Gp2UEY5W9G0gEc8YajipQ@mail.gmail.com>
On Tue, Feb 10, 2015 at 12:22:41PM +0400, Konstantin Khlebnikov wrote:
> I've found regression:
>
> [ 257.139907] ================================================
> [ 257.139909] [ BUG: lock held when returning to user space! ]
> [ 257.139912] 3.18.6-debug+ #161 Tainted: G U
> [ 257.139914] ------------------------------------------------
> [ 257.139916] python/22843 is leaving the kernel with locks still held!
> [ 257.139918] 1 lock held by python/22843:
> [ 257.139920] #0: (&mm->mmap_sem){++++++}, at: [<ffffffff8104e4c2>]
> __do_page_fault+0x162/0x570
>
> upstream commit 7fb08eca45270d0ae86e1ad9d39c40b7a55d0190 must be backported too.
Ah, nice, I missed that one. How did you test this?
thanks,
greg k-h
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next prev parent reply other threads:[~2015-02-11 3:43 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-03 23:13 [PATCH 3.18 00/57] 3.18.6-stable review Greg Kroah-Hartman
2015-02-03 23:13 ` [PATCH 3.18 01/57] x86, build: replace Perl script with Shell script Greg Kroah-Hartman
2015-02-03 23:13 ` [PATCH 3.18 02/57] spi: dw: Fix detecting FIFO depth Greg Kroah-Hartman
2015-02-03 23:13 ` [PATCH 3.18 03/57] spi: dw-mid: fix FIFO size Greg Kroah-Hartman
2015-02-03 23:13 ` [PATCH 3.18 04/57] vm: add VM_FAULT_SIGSEGV handling support Greg Kroah-Hartman
2015-02-10 8:22 ` Konstantin Khlebnikov
2015-02-11 3:43 ` Greg Kroah-Hartman [this message]
2015-02-11 3:49 ` Linus Torvalds
2015-02-11 4:16 ` Greg Kroah-Hartman
2015-02-11 5:34 ` Konstantin Khlebnikov
2015-02-16 9:50 ` Luis Henriques
2015-02-03 23:13 ` [PATCH 3.18 05/57] arc: mm: Fix build failure Greg Kroah-Hartman
2015-02-03 23:13 ` [PATCH 3.18 06/57] vm: make stack guard page errors return VM_FAULT_SIGSEGV rather than SIGBUS Greg Kroah-Hartman
2015-02-03 23:13 ` [PATCH 3.18 07/57] ASoC: wm8960: Fix capture sample rate from 11250 to 11025 Greg Kroah-Hartman
2015-02-03 23:13 ` [PATCH 3.18 08/57] ASoC: pcm512x: Fix DSP program selection Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 09/57] ASoC: fsl_esai: Fix incorrect xDC field width of xCCR registers Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 10/57] ASoC: soc-compress.c: fix NULL dereference Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 11/57] ASoC: simple-card: Fix crash in asoc_simple_card_unref() Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 12/57] ASoC: omap-mcbsp: Correct CBM_CFS dai format configuration Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 13/57] udf: Release preallocation on last writeable close Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 14/57] can: kvaser_usb: Do not sleep in atomic context Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 15/57] can: kvaser_usb: Send correct context to URB completion Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 16/57] can: kvaser_usb: Retry the first bulk transfer on -ETIMEDOUT Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 17/57] can: kvaser_usb: Fix state handling upon BUS_ERROR events Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 18/57] powerpc/xmon: Fix another endiannes issue in RTAS call from xmon Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 19/57] ALSA: seq-dummy: remove deadlock-causing events on close Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 20/57] rbd: drop parent_ref in rbd_dev_unprobe() unconditionally Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 21/57] rbd: fix rbd_dev_parent_get() when parent_overlap == 0 Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 22/57] USB: Add OTG PET device to TPL Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 23/57] usb-storage/SCSI: blacklist FUA on JMicron 152d:2566 USB-SATA controller Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 24/57] uas: Add no-report-opcodes quirk for Simpletech devices with id 4971:8017 Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 25/57] i2c: s3c2410: fix ABBA deadlock by keeping clock prepared Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 26/57] Input: synaptics - adjust min/max for Lenovo ThinkPad X1 Carbon 2nd Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 27/57] Input: elantech - add more Fujtisu notebooks to force crc_enabled Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 28/57] Input: i8042 - add noloop quirk for Medion Akoya E7225 (MD98857) Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 29/57] nfs: fix dio deadlock when O_DIRECT flag is flipped Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 30/57] NFSv4.1: Fix an Oops in nfs41_walk_client_list Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 31/57] mac80211: properly set CCK flag in radiotap Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 32/57] mac80211: only roll back station states for WDS when suspending Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 33/57] nl80211: fix per-station group key get/del and memory leak Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 34/57] pinctrl: at91: allow to have disabled gpio bank Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 35/57] ARM: mvebu: dont set the PL310 in I/O coherency mode when I/O coherency is disabled Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 36/57] dm thin: dont allow messages to be sent to a pool target in READ_ONLY or FAIL mode Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 37/57] dm cache: fix missing ERR_PTR returns and handling Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 38/57] drm/vmwgfx: Replace the hw mutex with a hw spinlock Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 41/57] spi/pxa2xx: Clear cur_chip pointer before starting next message Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 42/57] drivers/rtc/rtc-s5m.c: terminate s5m_rtc_id array with empty element Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 43/57] regulator: core: fix race condition in regulator_put() Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 44/57] drivers: net: cpsw: discard dual emac default vlan configuration Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 45/57] drm: fix fb-helper vs MST dangling connector ptrs (v2) Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 46/57] drm/i915: Only fence tiled region of object Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 47/57] drm/i915: BDW Fix Halo PCI IDs marked as ULT Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 48/57] drm/i915: Init PPGTT before context enable Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 49/57] drm/i915: fix inconsistent brightness after resume Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 50/57] quota: Switch ->get_dqblk() and ->set_dqblk() to use bytes as space units Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 51/57] memcg: remove extra newlines from memcg oom kill log Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 52/57] perf/x86/intel: Add model number for Airmont Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 53/57] perf/rapl: Fix crash in rapl_scale() Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 54/57] HID: rmi: Check for additional ACM registers appended to F11 data report Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 55/57] can: c_can: end pending transmission on network stop (ifdown) Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 56/57] clocksource: arch_timer: Only use the virtual counter (CNTVCT) on arm64 Greg Kroah-Hartman
2015-02-03 23:14 ` [PATCH 3.18 57/57] xen/arm/arm64: introduce xen_arch_need_swiotlb Greg Kroah-Hartman
2015-02-04 14:03 ` [PATCH 3.18 00/57] 3.18.6-stable review Guenter Roeck
2015-02-04 19:22 ` Greg Kroah-Hartman
2015-02-04 17:30 ` Shuah Khan
2015-02-04 19:22 ` Greg Kroah-Hartman
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