From: "Arnd Bergmann" <arnd@arndb.de>
To: "Naresh Kamboju" <naresh.kamboju@linaro.org>,
"open list" <linux-kernel@vger.kernel.org>,
linux-fsdevel@vger.kernel.org, lkft-triage@lists.linaro.org,
linux-block <linux-block@vger.kernel.org>,
"LTP List" <ltp@lists.linux.it>, linux-mm <linux-mm@kvack.org>,
"Rahul Rameshbabu" <rrameshbabu@nvidia.com>,
"Richard Cochran" <richardcochran@gmail.com>
Cc: "Alexander Viro" <viro@zeniv.linux.org.uk>,
"Christian Brauner" <brauner@kernel.org>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Dan Carpenter" <dan.carpenter@linaro.org>,
"David S. Miller" <davem@davemloft.net>,
"Maciek Machnikowski" <maciek@machnikowski.net>,
"Richard Cochran" <richardcochran@gmail.com>,
"Shuah Khan" <shuah@kernel.org>,
"Jakub Kicinski" <kuba@kernel.org>
Subject: Re: next: ltp: fs: read_all: block sda: the capability attribute has been deprecated. - supervisor instruction fetch in kernel mode
Date: Wed, 21 Jun 2023 16:08:50 +0200 [thread overview]
Message-ID: <89dfc918-9757-4487-aa72-615f7029f6c1@app.fastmail.com> (raw)
In-Reply-To: <CA+G9fYtKCZeAUTtwe69iK8Xcz1mOKQzwcy49wd+imZrfj6ifXA@mail.gmail.com>
On Wed, Jun 21, 2023, at 16:01, Naresh Kamboju wrote:
> While running LTP fs testing on x86_64 device the following kernel BUG:
> notice with Linux next-20230621.
>
> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
>
> Steps to reproduce:
>
> # cd /opt/ltp
> # ./runltp -f fs
>
> Test log:
> ======
> read_all.c:687: TPASS: Finished reading files
> Summary:
> passed 1
> failed 0
> broken 0
> skipped 0
> warnings 0
> tst_test.c:1558: TINFO: Timeout per run is 0h 06m 40s
> read_all.c:568: TINFO: Worker timeout set to 10% of max_runtime: 1000ms
> [ 1344.664349] block sda: the capability attribute has been deprecated.
I think the oops is unrelated to the line above
> [ 1344.679885] BUG: kernel NULL pointer dereference, address: 0000000000000000
> [ 1344.686839] #PF: supervisor instruction fetch in kernel mode
> [ 1344.692490] #PF: error_code(0x0010) - not-present page
> [ 1344.697620] PGD 8000000105569067 P4D 8000000105569067 PUD 1056ed067 PMD 0
> [ 1344.704494] Oops: 0010 [#1] PREEMPT SMP PTI
> [ 1344.708680] CPU: 0 PID: 5649 Comm: read_all Not tainted
> 6.4.0-rc7-next-20230621 #1
> [ 1344.716245] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
> 2.5 11/26/2020
> [ 1344.723629] RIP: 0010:0x0
> [ 1344.726257] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
> [ 1344.732780] RSP: 0018:ffff98d38123bd38 EFLAGS: 00010286
> [ 1344.737998] RAX: 0000000000000000 RBX: ffffffffbea38720 RCX: 0000000000000000
> [ 1344.745123] RDX: ffff979e42e31000 RSI: ffffffffbea38720 RDI: ffff979e40371900
> [ 1344.752246] RBP: ffff98d38123bd48 R08: ffff979e4080a0f0 R09: 0000000000000001
> [ 1344.759371] R10: ffff979e42e31000 R11: 0000000000000000 R12: ffff979e42e31000
> [ 1344.766495] R13: 0000000000000001 R14: ffff979e432dd2f8 R15: ffff979e432dd2d0
> [ 1344.773621] FS: 00007ff745d4b740(0000) GS:ffff97a1a7a00000(0000)
> knlGS:0000000000000000
> [ 1344.781704] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 1344.787442] CR2: ffffffffffffffd6 CR3: 000000010563c004 CR4: 00000000003706f0
> [ 1344.794587] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 1344.801733] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [ 1344.808857] Call Trace:
> [ 1344.811301] <TASK>
> [ 1344.813399] ? show_regs+0x6e/0x80
> [ 1344.816804] ? __die+0x29/0x70
> [ 1344.819857] ? page_fault_oops+0x154/0x470
> [ 1344.823957] ? do_user_addr_fault+0x355/0x6c0
> [ 1344.828314] ? exc_page_fault+0x6e/0x170
> [ 1344.832239] ? asm_exc_page_fault+0x2b/0x30
> [ 1344.836420] max_phase_adjustment_show+0x23/0x50
The function is newly added by commit c3b60ab7a4dff ("ptp: Add
getmaxphase callback to ptp_clock_info"), adding everyone from
that patch to Cc.
Arnd
next prev parent reply other threads:[~2023-06-21 14:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-21 14:01 Naresh Kamboju
2023-06-21 14:08 ` Arnd Bergmann [this message]
2023-06-27 17:00 ` Rahul Rameshbabu
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