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Message-ID: <CA+G9fYuAY+14aPiRVUcXLbsr5zJ-GLjULX=s9jcGWcw_vb5Kzw@mail.gmail.com>
Date: Thu, 28 Nov 2019 12:23:41 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: open list <linux-kernel@...r.kernel.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Guenter Roeck <linux@...ck-us.net>,
Shuah Khan <shuah@...nel.org>, patches@...nelci.org,
Ben Hutchings <ben.hutchings@...ethink.co.uk>,
lkft-triage@...ts.linaro.org,
linux- stable <stable@...r.kernel.org>,
Netdev <netdev@...r.kernel.org>,
Al Viro <viro@...iv.linux.org.uk>,
linux-fsdevel@...r.kernel.org, Eric Dumazet <edumazet@...gle.com>,
jouni.hogander@...kie.com, "David S. Miller" <davem@...emloft.net>,
lukas.bulwahn@...il.com
Subject: Re: [PATCH 4.19 000/306] 4.19.87-stable review
On Thu, 28 Nov 2019 at 02:25, Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 4.19.87 release.
> There are 306 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-4.19.87-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-4.19.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h
Kernel BUG noticed on x86_64 device while booting 4.19.87-rc1 kernel.
The problematic patch is,
> Jouni Hogander <jouni.hogander@...kie.com>
> net-sysfs: Fix reference count leak in rx|netdev_queue_add_kobject
And this kernel panic is been fixed by below patch,
commit 48a322b6f9965b2f1e4ce81af972f0e287b07ed0
Author: Eric Dumazet <edumazet@...gle.com>
Date: Wed Nov 20 19:19:07 2019 -0800
net-sysfs: fix netdev_queue_add_kobject() breakage
kobject_put() should only be called in error path.
Fixes: b8eb718348b8 ("net-sysfs: Fix reference count leak in
rx|netdev_queue_add_kobject")
Signed-off-by: Eric Dumazet <edumazet@...gle.com>
Cc: Jouni Hogander <jouni.hogander@...kie.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Summary
------------------------------------------------------------------------
kernel: 4.19.87-rc1
git repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
git branch: linux-4.19.y
git commit: 57c5d287ed483d6100bdca528c57562b894487b5
git describe: v4.19.86-307-g57c5d287ed48
Test details: https://qa-reports.linaro.org/lkft/linux-stable-rc-4.19-oe-sanity/build/v4.19.86-307-g57c5d287ed48
Regressions (compared to build v4.19.86)
[ 3.556598] BUG: unable to handle kernel NULL pointer dereference
at 0000000000000090
[ 3.569683] PGD 0 P4D 0
[ 3.572221] Oops: 0000 [#1] SMP PTI
[ 3.575705] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.19.87-rc1 #1
[ 3.582049] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
2.0b 07/27/2017
[ 3.589523] RIP: 0010:kernfs_find_ns+0x1f/0x130
[ 3.594053] Code: fe ff ff 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00
55 48 89 e5 41 57 41 56 41 55 41 54 49 89 ff 53 49 89 f6 49 89 d5 48
83 ec 08 <0f> b7 87 90 00 00 00 48 8b 5f 68 66 83 e0 20 66 89 45 d6 8b
05 68
[ 3.612788] RSP: 0000:ffffaf514002fba8 EFLAGS: 00010292
[ 3.618007] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff95d15b89
[ 3.625130] RDX: 0000000000000000 RSI: ffffffff95ddefc7 RDI: 0000000000000000
[ 3.632254] RBP: ffffaf514002fbd8 R08: ffffffff94b88f05 R09: 0000000000000001
[ 3.639377] R10: ffffaf514002fbd8 R11: 0000000000000001 R12: ffffffff95ddefc7
[ 3.646502] R13: 0000000000000000 R14: ffffffff95ddefc7 R15: 0000000000000000
[ 3.653625] FS: 0000000000000000(0000) GS:ffff95c0dfb00000(0000)
knlGS:0000000000000000
[ 3.661704] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3.667442] CR2: 0000000000000090 CR3: 00000003bc01e001 CR4: 00000000003606e0
[ 3.674565] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3.681689] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3.688811] Call Trace:
[ 3.691259] kernfs_find_and_get_ns+0x33/0x60
[ 3.695616] sysfs_remove_group+0x2a/0x90
[ 3.699622] netdev_queue_update_kobjects+0xc6/0x150
[ 3.704587] netif_set_real_num_tx_queues+0x7e/0x230
[ 3.709546] ? igb_configure_msix+0xde/0x170
[ 3.713816] __igb_open+0x19e/0x5e0
[ 3.717322] igb_open+0x10/0x20
[ 3.720506] __dev_open+0xd7/0x170
[ 3.723904] ? _raw_spin_unlock_bh+0x35/0x40
[ 3.728168] __dev_change_flags+0x17e/0x1d0
[ 3.732363] dev_change_flags+0x29/0x60
[ 3.736195] ip_auto_config+0x28b/0xf04
[ 3.740033] ? tcp_set_default_congestion_control+0xac/0x150
[ 3.745683] ? root_nfs_parse_addr+0xa5/0xa5
[ 3.749948] ? set_debug_rodata+0x17/0x17
[ 3.753951] do_one_initcall+0x61/0x2b4
[ 3.757783] ? do_one_initcall+0x61/0x2b4
[ 3.761793] ? set_debug_rodata+0xa/0x17
[ 3.765713] ? rcu_read_lock_sched_held+0x81/0x90
[ 3.770418] kernel_init_freeable+0x1d8/0x270
[ 3.774777] ? rest_init+0x190/0x190
[ 3.778354] kernel_init+0xe/0x110
[ 3.781753] ret_from_fork+0x3a/0x50
[ 3.785349] Modules linked in:
[ 3.788427] CR2: 0000000000000090
[ 3.791740] ---[ end trace 831b7578b86a527b ]---
[ 3.796358] RIP: 0010:kernfs_find_ns+0x1f/0x130
[ 3.800889] Code: fe ff ff 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00
55 48 89 e5 41 57 41 56 41 55 41 54 49 89 ff 53 49 89 f6 49 89 d5 48
83 ec 08 <0f> b7 87 90 00 00 00 48 8b 5f 68 66 83 e0 20 66 89 45 d6 8b
05 68
[ 3.819625] RSP: 0000:ffffaf514002fba8 EFLAGS: 00010292
[ 3.824843] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff95d15b89
[ 3.831968] RDX: 0000000000000000 RSI: ffffffff95ddefc7 RDI: 0000000000000000
[ 3.839091] RBP: ffffaf514002fbd8 R08: ffffffff94b88f05 R09: 0000000000000001
[ 3.846216] R10: ffffaf514002fbd8 R11: 0000000000000001 R12: ffffffff95ddefc7
[ 3.853363] R13: 0000000000000000 R14: ffffffff95ddefc7 R15: 0000000000000000
[ 3.860499] FS: 0000000000000000(0000) GS:ffff95c0dfb00000(0000)
knlGS:0000000000000000
[ 3.868583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3.874323] CR2: 0000000000000090 CR3: 00000003bc01e001 CR4: 00000000003606e0
[ 3.881454] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3.888576] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3.895702] BUG: sleeping function called from invalid context at
/usr/src/kernel/include/linux/percpu-rwsem.h:34
[ 3.905946] in_atomic(): 0, irqs_disabled(): 1, pid: 1, name: swapper/0
[ 3.912550] INFO: lockdep is turned off.
[ 3.916465] irq event stamp: 1027104
[ 3.920038] hardirqs last enabled at (1027103):
[<ffffffff9553abd6>] _raw_spin_unlock_irqrestore+0x36/0x50
[ 3.929770] hardirqs last disabled at (1027104):
[<ffffffff94801c8b>] trace_hardirqs_off_thunk+0x1a/0x1c
[ 3.939233] softirqs last enabled at (1025718):
[<ffffffff9580031f>] __do_softirq+0x31f/0x426
[ 3.947832] softirqs last disabled at (1025703):
[<ffffffff948eddb6>] irq_exit+0xd6/0xe0
[ 3.955916] CPU: 2 PID: 1 Comm: swapper/0 Tainted: G D
4.19.87-rc1 #1
[ 3.963648] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
2.0b 07/27/2017
[ 3.971126] Call Trace:
[ 3.973572] dump_stack+0x7a/0xa5
[ 3.976890] ___might_sleep+0x152/0x240
[ 3.980720] __might_sleep+0x4a/0x80
[ 3.984309] exit_signals+0x33/0x240
[ 3.987896] do_exit+0xbd/0xcf0
[ 3.991035] ? kernel_init_freeable+0x1d8/0x270
[ 3.995567] ? rest_init+0x190/0x190
[ 3.999136] rewind_stack_do_exit+0x17/0x20
[ 4.003348] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x00000009
[ 4.003348]
[ 4.012537] Kernel Offset: 0x13800000 from 0xffffffff81000000
(relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 4.023318] ---[ end Kernel panic - not syncing: Attempted to kill
init! exitcode=0x00000009
[ 4.023318] ]---
--
Linaro LKFT
https://lkft.linaro.org
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