This bug was fixed in the package linux-azure - 4.18.0-1025.27~18.04.1
---------------
linux-azure (4.18.0-1025.27~18.04.1) bionic; urgency=medium
* linux-azure: 4.18.0-1025.27~18.04.1 -proposed tracker (LP: #1835436)
[ Ubuntu: 4.18.0-1025.27 ]
* linux-azure: 4.18.0-1025.27 -proposed tracker (LP: #1835438)
* [linux-azure] panic in ext4_resize_fs() found during storage testing
(LP: #1835322)
- ext4: fix crash during online resizing
* linux: 4.18.0-26.27 -proposed tracker (LP: #1834904)
* QCA9377 isn't being recognized sometimes (LP: #1757218)
- SAUCE: USB: Disable USB2 LPM at shutdown
* hns: fix ICMP6 neighbor solicitation messages discard problem (LP: #1833140)
- net: hns: fix ICMP6 neighbor solicitation messages discard problem
- net: hns: fix unsigned comparison to less than zero
* Fix occasional boot time crash in hns driver (LP: #1833138)
- net: hns: Fix probabilistic memory overwrite when HNS driver initialized
* use-after-free in hns_nic_net_xmit_hw (LP: #1833136)
- net: hns: fix KASAN: use-after-free in hns_nic_net_xmit_hw()
* hns: attempt to restart autoneg when disabled should report error
(LP: #1833147)
- net: hns: Restart autoneg need return failed when autoneg off
* [UBUNTU] pkey: Indicate old mkvp only if old and curr. mkvp are different
(LP: #1832625)
- pkey: Indicate old mkvp only if old and current mkvp are different
* [UBUNTU] kernel: Fix gcm-aes-s390 wrong scatter-gather list processing
(LP: #1832623)
- s390/crypto: fix gcm-aes-s390 selftest failures
* rtlwifi: aggressive memory leak (LP: #1831751)
- rtlwifi: Fix leak of skb when processing C2H_BT_INFO
* Kernel modules generated incorrectly when system is localized to a non-
English language (LP: #1828084)
- scripts: override locale from environment when running recordmcount.pl
* CVE-2019-11815
- net: rds: force to destroy connection if t_sock is NULL in
rds_tcp_kill_sock().
* Sound device not detected after resume from hibernate (LP: #1826868)
- drm/i915: Force 2*96 MHz cdclk on glk/cnl when audio power is enabled
- drm/i915: Save the old CDCLK atomic state
- drm/i915: Remove redundant store of logical CDCLK state
- drm/i915: Skip modeset for cdclk changes if possible
* Handle overflow in proc_get_long of sysctl (LP: #1833935)
- sysctl: handle overflow in proc_get_long
* Dell XPS 13 (9370) defaults to s2idle sleep/suspend instead of deep, NVMe
drains lots of power under s2idle (LP: #1808957)
- Revert "UBUNTU: SAUCE: pci/nvme: prevent WDC PC SN720 NVMe from entering
D3
and being disabled"
- Revert "UBUNTU: SAUCE: nvme: add quirk to not call disable function when
suspending"
- Revert "UBUNTU: SAUCE: pci: prevent Intel NVMe SSDPEKKF from entering D3"
- Revert "SAUCE: nvme: add quirk to not call disable function when
suspending"
- Revert "SAUCE: pci: prevent sk hynix nvme from entering D3"
- PCI: PM: Avoid possible suspend-to-idle issue
- PCI: PM: Skip devices in D0 for suspend-to-idle
- nvme-pci: Sync queues on reset
- nvme: Export get and set features
- nvme-pci: Use host managed power state for suspend
* hinic: fix oops due to race in set_rx_mode (LP: #1832048)
- hinic: fix a bug in set rx mode
* ubuntu 18.04 flickering screen with Radeon X1600 (LP: #1791312)
- drm/radeon: prefer lower reference dividers
* [linux-azure] Block Layer Commits Requested in Azure Kernels (LP: #1834499)
- block: Clear kernel memory before copying to user
- block/bio: Do not zero user pages
* CONFIG_LOG_BUF_SHIFT set to 14 is too low on arm64 (LP: #1824864)
- [Config] CONFIG_LOG_BUF_SHIFT=18 on all 64bit arches
* Handle overflow for file-max (LP: #1834310)
- sysctl: handle overflow for file-max
- kernel/sysctl.c: fix out-of-bounds access when setting file-max
* [ALSA] [PATCH] Headset fixup for System76 Gazelle (gaze14) (LP: #1827555)
- ALSA: hda/realtek - Headset fixup for System76 Gazelle (gaze14)
- ALSA: hda/realtek - Corrected fixup for System76 Gazelle (gaze14)
* crashdump fails on HiSilicon D06 (LP: #1828868)
- iommu/arm-smmu-v3: Don't disable SMMU in kdump kernel
* CVE-2019-11833
- ext4: zero out the unused memory region in the extent tree block
* does not detect headphone when there is no other output devices
(LP: #1831065)
- ALSA: hda/realtek - Fixed hp_pin no value
- ALSA: hda/realtek - Use a common helper for hp pin reference
* Support new ums-realtek device (LP: #1831840)
- USB: usb-storage: Add new ID to ums-realtek
* amd_iommu possible data corruption (LP: #1823037)
- iommu/amd: Reserve exclusion range in iova-domain
- iommu/amd: Set exclusion range correctly
* Add new sound card PCIID into the alsa driver (LP: #1832299)
- ALSA: hda/intel: add CometLake PCI IDs
* sky2 ethernet card doesn't work after returning from suspend
(LP: #1807259) // sky2 ethernet card link not up after suspend
(LP: #1809843)
- sky2: Disable MSI on Dell Inspiron 1545 and Gateway P-79
* idle-page oopses when accessing page frames that are out of range
(LP: #1833410)
- mm/page_idle.c: fix oops because end_pfn is larger than max_pfn
* Add pointstick support on HP ZBook 17 G5 (LP: #1833387)
- Revert "HID: multitouch: Support ALPS PTP stick with pid 0x120A"
- SAUCE: HID: multitouch: Add pointstick support for ALPS Touchpad
* [SRU][B/B-OEM/B-OEM-OSP-1/C/D/E] Add trackpoint middle button support of 2
new thinpads (LP: #1833637)
- Input: elantech - enable middle button support on 2 ThinkPads
* CVE-2019-11884
- Bluetooth: hidp: fix buffer overflow
* af_alg06 test from crypto test suite in LTP failed with kernel oops on B/C
(LP: #1829725)
- crypto: authenc - fix parsing key with misaligned rta_len
* Address performance issue w/ GICv4-based guests (LP: #1829942)
- arm64: KVM: Always set ICH_HCR_EL2.EN if GICv4 is enabled
* CVE-2018-12126 // CVE-2018-12127 // CVE-2018-12130 // CVE-2019-11091
- SAUCE: Synchronize MDS mitigations with upstream
- Documentation: Correct the possible MDS sysfs values
- x86/speculation/mds: Fix documentation typo
* CVE-2019-11091
- x86/mds: Add MDSUM variant to the MDS documentation
* CVE-2019-11085
- drm/i915/gvt: Fix mmap range check
* alignment test in powerpc from ubuntu_kernel_selftests failed on B/C Power9
(LP: #1813118)
- selftests/powerpc: Remove Power9 copy_unaligned test
* TRACE_syscall.ptrace_syscall_dropped in seccomp from ubuntu_kernel_selftests
failed on B/C PowerPC (LP: #1812796)
- selftests/seccomp: Enhance per-arch ptrace syscall skip tests
* Eletrical noise occurred when external headset enter powersaving mode on a
DEll machine (LP: #1828798)
- ALSA: hda/realtek - Reduce click noise on Dell Precision 5820 headphone
- ALSA: hda/realtek - Fixup headphone noise via runtime suspend
* [18.04/18.10] File libperf-jvmti.so is missing in linux-tools-common deb on
Ubuntu (LP: #1761379)
- [Packaging] Support building libperf-jvmti.so
* TCP : race condition on socket ownership in tcp_close() (LP: #1830813)
- tcp: do not release socket ownership in tcp_close()
* ethtool identify command doesn't blink LED on Hi1620 NICs (LP: #1829306)
- net: phy: marvell: add new default led configure for m88e151x
* Add support to Comet Lake LPSS (LP: #1830175)
- mfd: intel-lpss: Add Intel Comet Lake PCI IDs
* Reduce NAPI weight in hns driver from 256 to 64 (LP: #1830587)
- net: hns: Use NAPI_POLL_WEIGHT for hns driver
-- Marcelo Henrique Cerri <marcelo.ce...@canonical.com> Thu, 04 Jul
2019 17:12:00 -0300
** Changed in: linux-azure (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1835322
Title:
[linux-azure] panic in ext4_resize_fs() found during storage testing
Status in linux-azure package in Ubuntu:
Fix Released
Status in linux-azure source package in Xenial:
Fix Released
Status in linux-azure source package in Cosmic:
Fix Committed
Bug description:
A panic was observed during file system testing. The trace is the
following:
[ 8783.243586] kernel BUG at
/build/linux-azure-3iFJ9j/linux-azure-4.18.0/fs/ext4/resize.c:266!
[ 8783.252751] invalid opcode: 0000 [#1] SMP PTI
[ 8783.256735] CPU: 7 PID: 39476 Comm: resize2fs Not tainted
4.18.0-1023-azure #24~18.04.1-Ubuntu
[ 8783.256735] Hardware name: Microsoft Corporation Virtual Machine/Virtual
Machine, BIOS 090007 06/02/2017
[ 8783.256735] RIP: 0010:ext4_resize_fs+0x73b/0xf10
[ 8783.256735] Code: 50 ff ff ff 41 8b 75 10 4d 8b 65 00 85 f6 0f 94 c0 4d 85
e4 0f 94 c1 09 c8 83 bd 5c ff ff ff 01 7e 48 84 c0 0f 84 43 06 00 00 <0f> 0b 48
c7 c2 68 a7 8d 8f 48 c7 c6 00 fb 88 8f 4c 89 f7 e8 0d f8
[ 8783.256735] RSP: 0018:ffff984e8dce7cb0 EFLAGS: 00010202
[ 8783.256735] RAX: 0000000000205c01 RBX: 000000000000001f RCX:
0000000000000000
[ 8783.256735] RDX: ffff8b1dbe1367d0 RSI: 0000000000000000 RDI:
0000000000000000
[ 8783.256735] RBP: ffff984e8dce7d88 R08: ffff984e8dce7d4c R09:
ffff984e8dce7d54
[ 8783.256735] R10: 0000000000000120 R11: 0000000000000001 R12:
ffff8b1dbe136800
[ 8783.256735] R13: ffff8b1d74aefe80 R14: ffff8b1dbdeb9000 R15:
0000000000000000
[ 8783.256735] FS: 00007f213fed30c0(0000) GS:ffff8b1ded7c0000(0000)
knlGS:0000000000000000
[ 8783.256735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8783.256735] CR2: 0000556aa08ae9b8 CR3: 0000001b8e324005 CR4:
00000000003606e0
[ 8783.256735] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 8783.256735] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 8783.256735] Call Trace:
[ 8783.256735] ? security_capable+0x3c/0x60
[ 8783.256735] ext4_ioctl+0xf91/0x14d0
[ 8783.256735] ? audit_filter_rules.constprop.14+0x325/0xf90
[ 8783.256735] ? audit_filter_rules.constprop.14+0x24b/0xf90
[ 8783.256735] do_vfs_ioctl+0xa8/0x630
[ 8783.256735] ksys_ioctl+0x75/0x80
[ 8783.256735] __x64_sys_ioctl+0x1a/0x20
[ 8783.256735] do_syscall_64+0x6a/0x1a0
[ 8783.256735] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 8783.256735] RIP: 0033:0x7f213f3825d7
[ 8783.256735] Code: b3 66 90 48 8b 05 b1 48 2d 00 64 c7 00 26 00 00 00 48 c7
c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01
f0 ff ff 73 01 c3 48 8b 0d 81 48 2d 00 f7 d8 64 89 01 48
[ 8783.256735] RSP: 002b:00007ffe8effd688 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[ 8783.256735] RAX: ffffffffffffffda RBX: 0000556aa08aa980 RCX:
00007f213f3825d7
[ 8783.256735] RDX: 00007ffe8effd7d0 RSI: 0000000040086610 RDI:
0000000000000004
[ 8783.256735] RBP: 0000000000000004 R08: 0000000000000000 R09:
0000000000000000
[ 8783.256735] R10: 0000000000000000 R11: 0000000000000246 R12:
0000556aa08ac980
[ 8783.256735] R13: 00007ffe8effd7d0 R14: 0000556aa08a92d0 R15:
0000000000000000
This issue is resolved by the following upstream commit:
f96c3ac8dfc2 ("ext4: fix crash during online resizing")
Commit f96c3ac8dfc2 is in mainline as of v5.1-rc1. This commit was requested
in the upstream stable kernels. However, the Ubuntu kernels are EOL upstream.
Please include this commit in the 16.04 and 18.04 linux-azure kernels.
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