Re: [PATCH 4.14 000/211] 4.14.157-stable review

From: Naresh Kamboju
Date: Thu Nov 28 2019 - 00:17:01 EST


On Thu, 28 Nov 2019 at 02:16, Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> This is the start of the stable review cycle for the 4.14.157 release.
> There are 211 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 Fri, 29 Nov 2019 20:18:09 +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-4.14.157-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

Kernel BUG noticed on x86_64 device while booting 4.14.157-rc1 kernel.

Summary
------------------------------------------------------------------------

kernel: 4.14.157-rc1
git repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
git branch: linux-4.14.y
git commit: 3ecb26dddb12a0368baea19c0778c267e215edff
git describe: v4.14.156-212-g3ecb26dddb12
Test details: https://qa-reports.linaro.org/lkft/linux-stable-rc-4.14-oe-sanity/build/v4.14.156-212-g3ecb26dddb12
kernel-config: http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/intel-corei7-64/lkft/linux-stable-rc-4.14/655/config

Regressions (compared to build v4.14.156)

[ 2.777657] BUG: unable to handle kernel NULL pointer dereference
at 0000000000000090
[ 2.785487] IP: kernfs_find_ns+0x18/0xf0
[ 2.789408] PGD 0 P4D 0
[ 2.791941] Oops: 0000 [#1] SMP PTI
[ 2.795424] Modules linked in:
[ 2.798474] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.14.157-rc1 #1
[ 2.804906] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
2.2 05/23/2018
[ 2.812288] task: ffff8e09ee250000 task.stack: ffffa0f900028000
[ 2.818200] RIP: 0010:kernfs_find_ns+0x18/0xf0
[ 2.822636] RSP: 0000:ffffa0f90002bc48 EFLAGS: 00010286
[ 2.827854] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9e6fb326
[ 2.834978] RDX: 0000000000000000 RSI: ffffffff9e7b9c81 RDI: 0000000000000000
[ 2.842102] RBP: ffffffff9e7b9c81 R08: ffffffff9d718df0 R09: 00000000000020b0
[ 2.849225] R10: ffffa0f90002bc80 R11: ffffffff9f8cfc40 R12: 0000000000000000
[ 2.856351] R13: 0000000000000000 R14: ffffffff9e7b9c81 R15: 0000000000000004
[ 2.863475] FS: 0000000000000000(0000) GS:ffff8e09f7880000(0000)
knlGS:0000000000000000
[ 2.871550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.877288] CR2: 0000000000000090 CR3: 000000014f41e001 CR4: 00000000003606e0
[ 2.884411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2.891536] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2.898659] Call Trace:
[ 2.901106] kernfs_find_and_get_ns+0x2e/0x50
[ 2.905463] sysfs_remove_group+0x25/0x80
[ 2.909468] netdev_queue_update_kobjects+0xbe/0x150
[ 2.914426] netif_set_real_num_tx_queues+0x71/0x200
[ 2.919393] __igb_open+0x19a/0x5c0
[ 2.922885] __dev_open+0xa7/0x130
[ 2.926290] ? __dev_change_flags+0x7c/0x190
[ 2.930554] __dev_change_flags+0x153/0x190
[ 2.934739] ? set_debug_rodata+0x11/0x11
[ 2.938744] dev_change_flags+0x23/0x60
[ 2.942575] ip_auto_config+0x202/0xe4e
[ 2.946415] ? set_debug_rodata+0x11/0x11
[ 2.950424] ? root_nfs_parse_addr+0x9e/0x9e
[ 2.954690] ? do_one_initcall+0x3e/0x154
[ 2.958691] do_one_initcall+0x3e/0x154
[ 2.962524] kernel_init_freeable+0x1b1/0x238
[ 2.966875] ? rest_init+0x190/0x190
[ 2.970444] kernel_init+0xa/0x100
[ 2.973844] ret_from_fork+0x3a/0x50
[ 2.977422] Code: 85 a5 fe ff ff e9 3c fe ff ff 66 0f 1f 84 00 00
00 00 00 0f 1f 44 00 00 41 57 41 56 49 89 f6 41 55 41 54 49 89 fd 55
53 49 89 d4 <0f> b7 af 90 00 00 00 8b 05 cb ab 3b 01 48 8b 5f 68 66 83
e5 20
[ 2.996288] RIP: kernfs_find_ns+0x18/0xf0 RSP: ffffa0f90002bc48
[ 3.002199] CR2: 0000000000000090
[ 3.005512] ---[ end trace 93a0e1285ce8e359 ]---
[ 3.010131] BUG: sleeping function called from invalid context at
/usr/src/kernel/include/linux/percpu-rwsem.h:34
[ 3.020381] in_atomic(): 0, irqs_disabled(): 1, pid: 1, name: swapper/0
[ 3.026984] INFO: lockdep is turned off.
[ 3.030901] irq event stamp: 912954
[ 3.034388] hardirqs last enabled at (912953):
[<ffffffff9dfa6502>] _raw_spin_unlock_irqrestore+0x32/0x50
[ 3.044064] hardirqs last disabled at (912954):
[<ffffffff9e00159e>] error_entry+0x7e/0x100
[ 3.052415] softirqs last enabled at (910778):
[<ffffffff9e20037b>] __do_softirq+0x37b/0x4fa
[ 3.060933] softirqs last disabled at (910771):
[<ffffffff9d4d6731>] irq_exit+0xd1/0xe0
[ 3.068922] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G D
4.14.157-rc1 #1
[ 3.076567] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
2.2 05/23/2018
[ 3.083949] Call Trace:
[ 3.086397] dump_stack+0x71/0xa5
[ 3.089716] ___might_sleep+0x149/0x230
[ 3.093555] exit_signals+0x20/0x210
[ 3.097124] do_exit+0xa0/0xd00
[ 3.100263] ? kernel_init_freeable+0x1b1/0x238
[ 3.104796] rewind_stack_do_exit+0x17/0x20
[ 3.108995] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x00000009
[ 3.108995]
[ 3.118161] Kernel Offset: 0x1c400000 from 0xffffffff81000000
(relocation range: 0xffffffff80000000-0xffffffffbfffffff)

Full test log,
https://lkft.validation.linaro.org/scheduler/job/1026224#L793


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