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BAYES_HAM(-3.00)[99.99%]; NEURAL_HAM_LONG(-1.00)[-0.997]; NEURAL_HAM_SHORT(-0.20)[-0.997]; MIME_GOOD(-0.10)[text/plain]; FREEMAIL_TO(0.00)[163.com]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; MISSING_XM_UA(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; FREEMAIL_ENVRCPT(0.00)[163.com]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; RCVD_TLS_ALL(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FUZZY_BLOCKED(0.00)[rspamd.com]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.cz:email] X-Virus-Scanned: clamav-milter 1.0.3 at in-5.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH] syscalls/{fanotify17, getxattr05}: simplify code by using save_restore 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 more than 10 user namspaces is currently used on system, it is still successfully to set > max_user_namespaces to 10. However, these tests fail with ENOSPC. for example: > # lsns -t user -l -n | wc -l > 17 > > root@fedora40:~/ltp/testcases/kernel/syscalls/fanotify# ./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 > > > > Just try to fix the issue by increasing the setting of max_user_namespaces. > BTW, it may be better to get the number of user namespaces in use and then add 10. Such change should be ideally in a separate patch with this explanation and not hidden in a patch that is supposedly just moving the code that restores the original value. -- Cyril Hrubis chrubis@suse.cz -- Mailing list info: https://lists.linux.it/listinfo/ltp