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Wed, 21 Jun 2023 10:09:12 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.9.0-alpha0-499-gf27bbf33e2-fm-20230619.001-gf27bbf33 Mime-Version: 1.0 Message-Id: <89dfc918-9757-4487-aa72-615f7029f6c1@app.fastmail.com> In-Reply-To: References: Date: Wed, 21 Jun 2023 16:08:50 +0200 From: "Arnd Bergmann" To: "Naresh Kamboju" , "open list" , linux-fsdevel@vger.kernel.org, lkft-triage@lists.linaro.org, linux-block , "LTP List" , linux-mm , "Rahul Rameshbabu" , "Richard Cochran" Cc: "Alexander Viro" , "Christian Brauner" , "Andrew Morton" , "Dan Carpenter" , "David S. Miller" , "Maciek Machnikowski" , "Richard Cochran" , "Shuah Khan" , "Jakub Kicinski" Subject: Re: next: ltp: fs: read_all: block sda: the capability attribute has been deprecated. - supervisor instruction fetch in kernel mode Content-Type: text/plain X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 2E79A140135 X-Stat-Signature: obdaiwf8xeikrnr31oxbs76a377bsneg X-Rspam-User: X-HE-Tag: 1687356553-331989 X-HE-Meta: U2FsdGVkX1+3xPR1nWUp9T5NRCCbfNA816dJcgAcwTmXFvt+SQ23bTE0seTGBEeN6KemQlVxJ+EYfoZcJKQ4TtLE2XfDuNmie7nSrkSf5cKAbUXGFmsI/fpBOxZ5UBvP9N8KF+TAekvjvKay32lcgNTr1dhHjf+mYvWp1gmYTgXZs5CNHEsBpPghPufTM4Y42X1Du+jgpaQnThwOz7WvAPnbkZ9W5RD4t1z/KunBox+++G0t/It3kuTWOaTEniRfwtNmt52m5O9IaqU4FWVZbQi1xLkP+HURxK5PXa3iqEKT5UVRjFRvXk+QbkK2SR5CUazfDhX4J2WQFMUS4bKlr2Ha3NiTWeQTNzkryfb7Bx8qZAIpgj7NjvCngbRUoJEkbvCcikss85m8TmelM4Fw9zjkFSMkvZ7cw0HnLK5qyOMclKB+/MPEhe1K0eOPqw/zx1E/I8iilE8Vlv40+Uv/vTC9XOUJUFz37LSxDXmP47bZbdnyoTjnSxEmBLBvmeCXB1uZ2qqZLYblDcrpsWRaLkIPjaTn+LruyciCaTThA/TJLOVJMAxnpvB5TRMDyhAc5hhMFZtLfrGzX94kOBn4pW6F2I1xB/5632EZsXaWxTmD48Yn8FuFCSCDDmh6dFbKV/68ZHExSJm89PbMdyL8I67uMlrXeOQ7RxfG/puCmHBp2+ngxjqRE+dtOmvVkpjW0e6yjyIYpb902s1yR5EyjRs//yLXMCY4GLjF5lbUfBGCpjpirFk4qxHAJvb6abLE8dYOIJQmrqHR8XHHI0KRxaJU59JbLGCPTxRveD24Xr9h/089P68AsHWVIYt3bX/1hyC2gL2r5I2BBLcxR1GOOCXApqXbPakJAY0ZCAHaoD1Hyyr9z+QxJllSQJyQxA020bW63RgeywkdpZ0gX/L9Qify0RUXbKjJWvSizU2+E3t6xIVyS7l8M9/hx01Nqvekravfy9e8jTqKnafrv6G iHCVQSMn A8r2NCd3fwYazv3iBnKrNfhnFuEVmLf4OqncWcFEd7R4LXQETld7v3GYgRBamvReRwJ3221lUqhkDYaS6bw3H7pWtnNhwt8VKL2RzgotzsOsUGJuVWRx4+cNB/u0mjdvKLCmBctElgjDDIagu4i4LZJXfRlzt+2F7GadBMXjPCDL+BJjgBCPEIaX+uCSqhkxeYpcvnggLHt+TR7f3fS1oRdzSoUFbxRTjz86drhh45FE+Fck= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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 > > 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] > [ 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