This bug was fixed in the package linux - 3.13.0-87.133
---------------
linux (3.13.0-87.133) trusty; urgency=low
[ Kamal Mostafa ]
* Release Tracking Bug
- LP: #1585315
[ Upstream Kernel Changes ]
* Revert "usb: hub: do not clear BOS field during reset device"
- LP: #1582864
linux (3.13.0-87.132) trusty; urgency=low
[ Kamal Mostafa ]
* Release Tracking Bug
- LP: #1582398
[ Kamal Mostafa ]
* [Config] Drop ozwpan from the ABI
[ Luis Henriques ]
* [Config] CONFIG_USB_WPAN_HCD=n
- LP: #1463740
- CVE-2015-4004
[ Prarit Bhargava ]
* SAUCE: (no-up) ACPICA: Dispatcher: Update thread ID for recursive
method calls
- LP: #1577898
[ Upstream Kernel Changes ]
* usbnet: cleanup after bind() in probe()
- LP: #1567191
- CVE-2016-3951
* KVM: x86: bit-ops emulation ignores offset on 64-bit
- LP: #1423672
* USB: usbip: fix potential out-of-bounds write
- LP: #1572666
- CVE-2016-3955
* x86/mm/32: Enable full randomization on i386 and X86_32
- LP: #1568523
- CVE-2016-3672
* Input: gtco - fix crash on detecting device without endpoints
- LP: #1575706
- CVE-2016-2187
* atl2: Disable unimplemented scatter/gather feature
- LP: #1561403
- CVE-2016-2117
* ALSA: usb-audio: Skip volume controls triggers hangup on Dell USB Dock
- LP: #1577905
* fs/pnode.c: treat zero mnt_group_id-s as unequal
- LP: #1572316
* propogate_mnt: Handle the first propogated copy being a slave
- LP: #1572316
* drm: Balance error path for GEM handle allocation
- LP: #1579610
* x86/mm: Add barriers and document switch_mm()-vs-flush synchronization
- LP: #1538429
- CVE-2016-2069
* x86/mm: Improve switch_mm() barrier comments
- LP: #1538429
- CVE-2016-2069
* net: fix infoleak in llc
- LP: #1578496
- CVE-2016-4485
* net: fix infoleak in rtnetlink
- LP: #1578497
- CVE-2016-4486
-- Kamal Mostafa <ka...@canonical.com> Tue, 24 May 2016 11:04:30 -0700
** Changed in: linux (Ubuntu Trusty)
Status: Fix Committed => Fix Released
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-4004
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-2069
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-2117
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-2187
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-3672
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-3951
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-3955
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-4485
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-4486
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1579610
Title:
drm.ko < kernel version 4.5 has a dead lock bug
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Trusty:
Fix Released
Status in linux source package in Vivid:
Fix Committed
Status in linux source package in Wily:
Fix Committed
Status in linux source package in Xenial:
Fix Committed
Status in linux source package in Yakkety:
Fix Released
Bug description:
This bug go the code path
drvers/gpu/drm/{drm_prime.c,drm_gem.c}
drm_gem_prime_fd_to_handle()
| mutex_lock(&file_priv->prime.lock);
| drm_gem_handle_create_tail()
| | dev->driver->gem_open_object() (for amdgpu.ko driver, this is
amdgpu_gem_object_open)
| | drm_gem_handle_delete()
| | | drm_gem_remove_prime_handles()
| | | | mutex_lock(&filp->prime.lock);
This causes the dead lock if gem_open_object() return with error.
Patch fixing this is already in Linux 4.5:
https://github.com/torvalds/linux/commit/6984128d01cf935820a0563f3a00c6623ba58109
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-generic 4.4.0.22.23
ProcVersionSignature: Ubuntu 4.4.0-22.39-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
ApportVersion: 2.20.1-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: yuq 1566 F.... pulseaudio
/dev/snd/controlC1: yuq 1566 F.... pulseaudio
CurrentDesktop: Unity
Date: Mon May 9 11:20:26 2016
HibernationDevice: RESUME=UUID=2e71a82b-c613-4a96-88e3-0672a366c396
InstallationDate: Installed on 2016-03-01 (69 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160228)
IwConfig:
enp7s0 no wireless extensions.
lo no wireless extensions.
MachineType: Gigabyte Technology Co., Ltd. X58A-UD3R
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-22-generic
root=UUID=c137e0c1-ad99-47f4-acf5-e7f4792afa9e ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-22-generic N/A
linux-backports-modules-4.4.0-22-generic N/A
linux-firmware 1.157
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/23/2010
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: FE
dmi.board.name: X58A-UD3R
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias:
dmi:bvnAwardSoftwareInternational,Inc.:bvrFE:bd12/23/2010:svnGigabyteTechnologyCo.,Ltd.:pnX58A-UD3R:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnX58A-UD3R:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: X58A-UD3R
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
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