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Message-ID: <20230807204648.50070-1-kuniyu@amazon.com> Date: Mon, 7 Aug 2023 13:46:47 -0700 From: Kuniyuki Iwashima <kuniyu@...zon.com> To: <mirsad.todorovac@....unizg.hr> CC: <alexander@...alicyn.com>, <davem@...emloft.net>, <edumazet@...gle.com>, <fw@...len.de>, <kuba@...nel.org>, <kuniyu@...zon.com>, <linux-kernel@...r.kernel.org>, <linux-kselftest@...r.kernel.org>, <netdev@...r.kernel.org>, <pabeni@...hat.com>, <shuah@...nel.org> Subject: Re: selftests: net/af_unix test_unix_oob [FAILED] From: Mirsad Todorovac <mirsad.todorovac@....unizg.hr> Date: Mon, 7 Aug 2023 21:44:41 +0200 > Hi all, > > In the kernel 6.5-rc5 build on Ubuntu 22.04 LTS (jammy jellyfish) on a Ryzen 7950 assembled box, > vanilla torvalds tree kernel, the test test_unix_oob unexpectedly fails: > > # selftests: net/af_unix: test_unix_oob > # Test 2 failed, sigurg 23 len 63 OOB % > > It is this code: > > /* Test 2: > * Verify that the first OOB is over written by > * the 2nd one and the first OOB is returned as > * part of the read, and sigurg is received. > */ > wait_for_data(pfd, POLLIN | POLLPRI); > len = 0; > while (len < 70) > len = recv(pfd, buf, 1024, MSG_PEEK); > len = read_data(pfd, buf, 1024); > read_oob(pfd, &oob); > if (!signal_recvd || len != 127 || oob != '#') { > fprintf(stderr, "Test 2 failed, sigurg %d len %d OOB %c\n", > signal_recvd, len, oob); > die(1); > } > > In 6.5-rc4, this test was OK, so it might mean we have a regression? Thanks for reporting. I confirmed the test doesn't fail on net-next at least, but it's based on v6.5-rc4. ---8<--- [root@...alhost ~]# ./test_unix_oob [root@...alhost ~]# echo $? 0 [root@...alhost ~]# uname -r 6.5.0-rc4-01192-g66244337512f ---8<--- I'll check 6.5-rc5 later. > > marvin@...iant:~/linux/kernel/linux_torvalds$ grep test_unix_oob ../kselftest-6.5-rc4-1.log > /net/af_unix/test_unix_oob > # selftests: net/af_unix: test_unix_oob > ok 2 selftests: net/af_unix: test_unix_oob > marvin@...iant:~/linux/kernel/linux_torvalds$ > > Hope this helps. > > NOTE: the kernel is vanilla torvalds tree, only "dirty" because the selftests were modified. > > Kind regards, > Mirsad Todorovac
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