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Date: Mon, 4 Oct 2021 10:44:50 -0700
From: Eric Dumazet <edumazet@...gle.com>
To: Naresh Kamboju <naresh.kamboju@...aro.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
open list <linux-kernel@...r.kernel.org>,
Shuah Khan <shuah@...nel.org>,
Florian Fainelli <f.fainelli@...il.com>, patches@...nelci.org,
lkft-triage@...ts.linaro.org, Jon Hunter <jonathanh@...dia.com>,
linux-stable <stable@...r.kernel.org>,
Pavel Machek <pavel@...x.de>,
Andrew Morton <akpm@...ux-foundation.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Guenter Roeck <linux@...ck-us.net>,
Netdev <netdev@...r.kernel.org>, Jann Horn <jannh@...gle.com>,
"Eric W. Biederman" <ebiederm@...ssion.com>,
Luiz Augusto von Dentz <luiz.von.dentz@...el.com>,
Marcel Holtmann <marcel@...tmann.org>,
"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH 4.19 00/95] 4.19.209-rc1 review
On Mon, Oct 4, 2021 at 10:40 AM Naresh Kamboju
<naresh.kamboju@...aro.org> wrote:
>
> On Mon, 4 Oct 2021 at 18:32, Greg Kroah-Hartman
> <gregkh@...uxfoundation.org> wrote:
> >
> > This is the start of the stable review cycle for the 4.19.209 release.
> > There are 95 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, 06 Oct 2021 12:50:17 +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-4.19.209-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
>
> Regression found on arm, arm64, i386 and x86.
> following kernel crash reported on stable-rc linux-4.19.y.
>
Stable teams should backport cred: allow get_cred() and put_cred() to
be given NULL.
f06bc03339ad4c1baa964a5f0606247ac1c3c50b
Or they should have tweaked my patch before backporting it.
> metadata:
> git branch: linux-4.19.y
> git repo: https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc
> git commit: ee3e528d83e91547f386a30677ccb96c28e78218
> git describe: v4.19.208-96-gee3e528d83e9
> make_kernelversion: 4.19.209-rc1
> kernel-config: https://builds.tuxbuild.com/1z2izwX1xMgF2OSYM5EN6ELHEij/config
>
>
> Kernel crash:
> --------------
> [ 14.900875] BUG: unable to handle kernel NULL pointer dereference
> at 0000000000000000
> [ 14.908699] PGD 0 P4D 0
> [ 14.911230] Oops: 0002 [#1] SMP PTI
> [ 14.914714] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.209-rc1 #1
> [ 14.921147] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
> 2.2 05/23/2018
> [ 14.928531] RIP: 0010:__sk_destruct+0xb9/0x190
> [ 14.932965] Code: 48 8b 47 08 48 8d 50 ff a8 01 48 0f 45 fa f0 ff
> 4f 34 0f 84 d9 00 00 00 48 c7 83 00 ff ff ff 00 00 00 00 48 8b bb 78
> ff ff ff <f0> ff 0f 0f 84 a0 00 00 00 48 8b bb 70 ff ff ff e8 32 41 6d
> ff f6
> [ 14.951704] RSP: 0000:ffff9e242f803dc0 EFLAGS: 00010246
> [ 14.956920] RAX: 0000000000000000 RBX: ffff9e242cfc82c0 RCX: 0000000000000001
> [ 14.964043] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
> [ 14.971167] RBP: ffff9e242f803de0 R08: ffff9e242cfc8000 R09: 0000000000000000
> [ 14.978291] R10: 0000000000000000 R11: 0000000000000000 R12: ffff9e242cfc8000
> [ 14.985415] R13: ffff9e242cfc82c0 R14: ffff9e242cde8600 R15: 00000000ffffff0c
> [ 14.992540] FS: 0000000000000000(0000) GS:ffff9e242f800000(0000)
> knlGS:0000000000000000
> [ 15.000617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 15.006359] CR2: 0000000000000000 CR3: 0000000013c0a001 CR4: 00000000003606f0
> [ 15.013504] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 15.020628] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [ 15.027752] Call Trace:
> [ 15.030198] <IRQ>
> [ 15.032207] __sk_free+0x71/0x110
> [ 15.035518] __sock_wfree+0x2c/0x30
> [ 15.039002] skb_release_head_state+0x56/0xa0
> [ 15.043359] napi_consume_skb+0x5a/0x140
> [ 15.047297] igb_poll+0xc7/0xf30
> [ 15.050522] net_rx_action+0x13a/0x3a0
> [ 15.054273] ? __napi_schedule+0x54/0x70
> [ 15.058189] __do_softirq+0xf6/0x2ed
> [ 15.061760] irq_exit+0xab/0xe0
> [ 15.064897] do_IRQ+0x86/0xe0
> [ 15.067862] common_interrupt+0xf/0xf
> [ 15.071519] </IRQ>
> [ 15.073618] RIP: 0010:cpuidle_enter_state+0x119/0x2c0
> [ 15.078669] Code: 77 ff 80 7d c7 00 74 12 9c 58 f6 c4 02 0f 85 8e
> 01 00 00 31 ff e8 07 1d 7d ff e8 b2 84 82 ff fb 48 ba cf f7 53 e3 a5
> 9b c4 20 <4c> 2b 7d c8 4c 89 f8 49 c1 ff 3f 48 f7 ea b8 ff ff ff 7f 48
> c1 fa
> [ 15.097405] RSP: 0000:ffffffff9ce03e00 EFLAGS: 00000282 ORIG_RAX:
> ffffffffffffffdc
> [ 15.104961] RAX: ffffffff9ce03e40 RBX: ffff9e242d6ce000 RCX: 000000000000001f
> [ 15.112085] RDX: 20c49ba5e353f7cf RSI: ffffffff9c028777 RDI: ffffffff9c02858e
> [ 15.119210] RBP: ffffffff9ce03e40 R08: 0000000378293f7f R09: 0000000000000022
> [ 15.126358] R10: 0000000000000034 R11: ffff9e242f81ed08 R12: 0000000000000001
> [ 15.133510] R13: ffffffff9ceca620 R14: ffffffff9ceca680 R15: 0000000378293f7f
> [ 15.140636] ? cpuidle_enter+0x17/0x20
> [ 15.144415] ? cpuidle_enter_state+0x10e/0x2c0
> [ 15.148859] cpuidle_enter+0x17/0x20
> [ 15.152430] call_cpuidle+0x23/0x40
> [ 15.155914] do_idle+0x1b9/0x240
> [ 15.159138] cpu_startup_entry+0x73/0x80
> [ 15.163055] rest_init+0xa3/0xa5
> [ 15.166280] start_kernel+0x483/0x4a5
> [ 15.169937] x86_64_start_reservations+0x24/0x26
> [ 15.174547] x86_64_start_kernel+0x70/0x74
> [ 15.178637] secondary_startup_64+0xa4/0xb0
> [ 15.182813] Modules linked in:
> [ 15.185866] CR2: 0000000000000000
> [ 15.189177] ---[ end trace 87e25bcdd88d2b4b ]---
> [ 15.193785] RIP: 0010:__sk_destruct+0xb9/0x190
> [ 15.198222] Code: 48 8b 47 08 48 8d 50 ff a8 01 48 0f 45 fa f0 ff
> 4f 34 0f 84 d9 00 00 00 48 c7 83 00 ff ff ff 00 00 00 00 48 8b bb 78
> ff ff ff <f0> ff 0f 0f 84 a0 00 00 00 48 8b bb 70 ff ff ff e8 32 41 6d
> ff f6
> [ 15.216960] RSP: 0000:ffff9e242f803dc0 EFLAGS: 00010246
> [ 15.222176] RAX: 0000000000000000 RBX: ffff9e242cfc82c0 RCX: 0000000000000001
> [ 15.229302] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
> [ 15.236424] RBP: ffff9e242f803de0 R08: ffff9e242cfc8000 R09: 0000000000000000
> [ 15.243548] R10: 0000000000000000 R11: 0000000000000000 R12: ffff9e242cfc8000
> [ 15.250673] R13: ffff9e242cfc82c0 R14: ffff9e242cde8600 R15: 00000000ffffff0c
> [ 15.257796] FS: 0000000000000000(0000) GS:ffff9e242f800000(0000)
> knlGS:0000000000000000
> [ 15.265872] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 15.271613] CR2: 0000000000000000 CR3: 0000000013c0a001 CR4: 00000000003606f0
> [ 15.278734] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 15.285858] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [ 15.292982] Kernel panic - not syncing: Fatal exception in interrupt
> [ 15.299375] Kernel Offset: 0x1a600000 from 0xffffffff81000000
> (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
>
> Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
>
> ref:
> https://lkft.validation.linaro.org/scheduler/job/3657592#L928
> https://lkft.validation.linaro.org/scheduler/job/3657638#L933
> https://lkft.validation.linaro.org/scheduler/job/3657762#L949
> https://lkft.validation.linaro.org/scheduler/job/3657822#L1899
>
> --
> Linaro LKFT
> https://lkft.linaro.org
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