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BAYES_HAM(-3.00)[99.99%]; NEURAL_HAM_LONG(-1.00)[-0.997]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; FUZZY_BLOCKED(0.00)[rspamd.com]; RCPT_COUNT_TWO(0.00)[2]; FREEMAIL_ENVRCPT(0.00)[163.com]; ARC_NA(0.00)[]; FREEMAIL_TO(0.00)[163.com]; MIME_TRACE(0.00)[0:+]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_TLS_ALL(0.00)[]; MISSING_XM_UA(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.cz:email,yuki.lan:mid] X-Virus-Scanned: clamav-milter 1.0.3 at in-6.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH v2] syscalls/{fanotify17, getxattr05}: Fix the ENOSPC error X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ltp@lists.linux.it Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" Hi! > If the value of max_user_namespaces is set to 10 but more than > 10 user namspaces are currently used on system. In this case, > these tests fail with ENOSPC. for example: > > # lsns -t user -n | wc -l > 17 > > # ./fanotify17 > ... > fanotify17.c:174: TINFO: Test #0: Global groups limit in init user ns > fanotify17.c:130: TPASS: Created 128 groups - below groups limit (128) > fanotify17.c:174: TINFO: Test #1: Global groups limit in privileged user ns > fanotify17.c:154: TFAIL: unshare(CLONE_NEWUSER) failed: ENOSPC (28) > tst_test.c:452: TBROK: Invalid child (6958) exit value 1 That's strange the test seems to work for me even if it's over the limit. $ lsns -t user -n | wc -l 14 I suppose that since the test is executed as a root since it has .require_root the limits does not apply. It's strange that they apply in your case. Which kernel is this? -- Cyril Hrubis chrubis@suse.cz -- Mailing list info: https://lists.linux.it/listinfo/ltp