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SubjectRe: [PATCH 4.14 000/267] 4.14.159-stable review
Results from Linaro’s test farm.
Regressions on arm and qemu_arm.

Regressions (compared to build v4.14.158)
------------------------------------------------------------------------
x15:
ltp-fs-tests:
* proc01

qemu_arm:
libhugetlbfs:
* HUGETLB_SHM_yes-shmoverride_linked-2M-32
* LD_PRELOAD_libhugetlbfs.so-HUGETLB_SHM_yes-shmoverride_unlinked-2M-32
* counters.sh-2M-32
* truncate_sigbus_versus_oom-2M-32

ltp-fs-tests:
* proc01

On Mon, 16 Dec 2019 at 23:21, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 4.14.159 release.
> There are 267 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Wed, 18 Dec 2019 17:41:25 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
> https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.14.159-rc1.gz
> or in the git tree and branch at:
> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.14.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h
>
> -------------
> Pseudo-Shortlog of commits:
>
> Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Linux 4.14.159-rc1

> Michal Hocko <mhocko@suse.com>
> mm, thp, proc: report THP eligibility for each vma

LTP proc01 :
----------------
[ 1205.874471] ICMPv6: process `proc01' is using deprecated sysctl
(syscall) net.ipv6.neigh.default.base_reachable_time - use
net.ipv6.neigh.default.base_reachable_time_ms instead
[ 1205.905262] nr_pdflush_threads exported in /proc is scheduled for removal
[ 1215.501494] Unable to handle kernel NULL pointer dereference at
virtual address 000001d0
[ 1215.505049] pgd = ea89e7c0
[ 1215.506115] [000001d0] *pgd=6b2fc003, *pmd=13f916003
[ 1215.508081] Internal error: Oops: 207 [#1] SMP ARM
[ 1215.510200] Modules linked in: crc32_arm_ce sha2_arm_ce sha256_arm
sha1_arm_ce sha1_arm aes_arm_ce crypto_simd cryptd fuse
[ 1215.515303] CPU: 2 PID: 4950 Comm: proc01 Not tainted 4.14.159-rc1 #1
[ 1215.518334] Hardware name: Generic DT based system
[ 1215.520553] task: ea874240 task.stack: eb5e8000
[ 1215.522681] PC is at transparent_hugepage_enabled+0x54/0xb4
[ 1215.525237] LR is at transparent_hugepage_enabled+0x48/0xb4
[ 1215.527831] pc : [<c060d1bc>] lr : [<c060d1b0>] psr: 600f0013
[ 1215.530735] sp : eb5e9d68 ip : eb5e9d68 fp : eb5e9d7c
[ 1215.533145] r10: 00000004 r9 : 00000000 r8 : 0000d6f0
[ 1215.535559] r7 : ec74ff00 r6 : eb5e9de8 r5 : c1c0e320 r4 : c1c0e320
[ 1215.538507] r3 : 00000000 r2 : 80000000 r1 : c165d6cd r0 : 00000000
[ 1215.541498] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
[ 1215.544839] Control: 30c5383d Table: 6a89e7c0 DAC: dbadc0de
[ 1215.547527] Process proc01 (pid: 4950, stack limit = 0xeb5e8220)
[ 1215.550292] Stack: (0xeb5e9d68 to 0xeb5ea000)
....
[ 1215.631288] [<c060d1bc>] (transparent_hugepage_enabled) from
[<c06a4ba8>] (show_smap+0x298/0x454)
[ 1215.635364] [<c06a4ba8>] (show_smap) from [<c06a4da0>]
(show_tid_smap+0x1c/0x20)
[ 1215.638733] [<c06a4da0>] (show_tid_smap) from [<c065acb0>]
(seq_read+0x3c4/0x520)
[ 1215.642134] [<c065acb0>] (seq_read) from [<c062d274>] (__vfs_read+0x38/0x12c)
[ 1215.645410] [<c062d274>] (__vfs_read) from [<c062d404>] (vfs_read+0x9c/0x164)
[ 1215.648750] [<c062d404>] (vfs_read) from [<c062d9f0>] (SyS_read+0x5c/0xd0)
[ 1215.651906] [<c062d9f0>] (SyS_read) from [<c0408d20>]
(ret_fast_syscall+0x0/0x28)
[ 1215.655371] Code: ebff672f e3500000 1afffff7 e5943020 (e59331d0)
[ 1215.658332] ---[ end trace 6088de7e307c3c4c ]---

libhugetlbfs test suite caused this failure on arm32,
---------------------------------------------------------------------

malloc (2M: 32): [ 45.815802] Unable to handle kernel NULL pointer
dereference at virtual address 000001d0
[ 45.824194] pgd = ec174080
[ 45.827020] [000001d0] *pgd=ac29b003, *pmd=fb076003
[ 45.831953] Internal error: Oops: 207 [#1] SMP ARM
[ 45.836773] Modules linked in: snd_soc_simple_card
snd_soc_simple_card_utils snd_soc_core ac97_bus snd_pcm_dmaengine
snd_pcm snd_timer snd soundcore fuse
[ 45.850649] CPU: 1 PID: 436 Comm: malloc Not tainted 4.14.159-rc1 #1
[ 45.857039] Hardware name: Generic DRA74X (Flattened Device Tree)
[ 45.863166] task: ec116a00 task.stack: ec64c000
[ 45.867731] PC is at transparent_hugepage_enabled+0x54/0xb4
[ 45.873333] LR is at transparent_hugepage_enabled+0x48/0xb4
[ 45.878934] pc : [<c060d1bc>] lr : [<c060d1b0>] psr: 600b0013
[ 45.885234] sp : ec64dd68 ip : ec64dd68 fp : ec64dd7c
[ 45.890487] r10: 00000004 r9 : 00000000 r8 : 0000d6f0
[ 45.895740] r7 : ca2a29c0 r6 : ec64dde8 r5 : c1c0e320 r4 : c1c0e320
[ 45.902301] r3 : 00000000 r2 : 80000000 r1 : c165d6cd r0 : 00000000
[ 45.908864] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
[ 45.916036] Control: 30c5387d Table: ac174080 DAC: 55555555
[ 45.921813] Process malloc (pid: 436, stack limit = 0xec64c220)
[ 45.927765] Stack: (0xec64dd68 to 0xec64e000)
..
[ 46.104774] [<c060d1bc>] (transparent_hugepage_enabled) from
[<c06a4ba8>] (show_smap+0x298/0x454)
[ 46.113697] [<c06a4ba8>] (show_smap) from [<c06a4d80>]
(show_pid_smap+0x1c/0x20)
[ 46.121136] [<c06a4d80>] (show_pid_smap) from [<c065a9d0>]
(seq_read+0xe4/0x520)
[ 46.128576] [<c065a9d0>] (seq_read) from [<c062d274>] (__vfs_read+0x38/0x12c)
[ 46.135752] [<c062d274>] (__vfs_read) from [<c062d404>] (vfs_read+0x9c/0x164)
[ 46.142926] [<c062d404>] (vfs_read) from [<c062d9f0>] (SyS_read+0x5c/0xd0)
[ 46.149842] [<c062d9f0>] (SyS_read) from [<c0408d20>]
(ret_fast_syscall+0x0/0x28)
[ 46.157367] Code: ebff672f e3500000 1afffff7 e5943020 (e59331d0)
[ 46.163616] ---[ end trace c51b58b4d19d6cce ]---


Full test log,
https://lkft.validation.linaro.org/scheduler/job/1058080#L1126
https://lkft.validation.linaro.org/scheduler/job/1057628#L5461

--
Linaro LKFT
https://lkft.linaro.org

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