Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF96FC636D7 for ; Mon, 13 Feb 2023 03:42:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229536AbjBMDmX (ORCPT ); Sun, 12 Feb 2023 22:42:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55780 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229436AbjBMDmW (ORCPT ); Sun, 12 Feb 2023 22:42:22 -0500 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 81357CC12 for ; Sun, 12 Feb 2023 19:42:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1676259739; x=1707795739; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=HVqDQXlbesnHaw/YR8mVcUIQJwZTqRaPvwT4zYlERaQ=; b=VWS03hlF18+/KjUNtZWMrSFegrTjXYD5WrHcQex4KZrN7BdXqrNXGhdT PFgnQdkkak0kGhF7646BseTmWG4txaE99MKt1Hp8QaTKWcqcQS/iwZG9l Cj1y0aXSI/wAO6FiYdtdDFSukceHWBsL2DMhjgGlM7iX9GF8SGKmVteV+ /9i8+GvxSMPD79hQA7Agkmr7nWUZxgZNQXZRrQ8Rp2Ud677H/ar/fEPr9 rbLRvzyGYd7B8d5Hy7y+pO2ggropz6Saz6ZWiVjCUpFXORryhqKQlNQFo 9YGKPDjZauVydqaStW0p7P8uc9T3WEKBcLsrvy7XpeV1z7NGKsvYHyXw5 g==; X-IronPort-AV: E=McAfee;i="6500,9779,10619"; a="332938101" X-IronPort-AV: E=Sophos;i="5.97,291,1669104000"; d="scan'208";a="332938101" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Feb 2023 19:42:06 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10619"; a="668669990" X-IronPort-AV: E=Sophos;i="5.97,291,1669104000"; d="scan'208";a="668669990" Received: from lkp-server01.sh.intel.com (HELO 4455601a8d94) ([10.239.97.150]) by orsmga002.jf.intel.com with ESMTP; 12 Feb 2023 19:42:03 -0800 Received: from kbuild by 4455601a8d94 with local (Exim 4.96) (envelope-from ) id 1pRPj9-0007Wl-0s; Mon, 13 Feb 2023 03:42:03 +0000 Date: Mon, 13 Feb 2023 11:41:29 +0800 From: kernel test robot To: Mike Christie , brauner@kernel.org, ebiederm@xmission.com, torvalds@linux-foundation.org, linux-kernel@vger.kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Mike Christie Subject: Re: [PATCH 5/5] kernel: Convert kthread to use setup_thread_fn Message-ID: <202302131159.2TPrVEmE-lkp@intel.com> References: <20230213010020.1813-6-michael.christie@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230213010020.1813-6-michael.christie@oracle.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Mike, I love your patch! Perhaps something to improve: [auto build test WARNING on tip/sched/core] [also build test WARNING on vfs-idmapping/for-next linus/master] [cannot apply to davem-sparc/master next-20230210] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Mike-Christie/kernel-Move-kernel_clone_args-s-fn-to-new-struct/20230213-090304 patch link: https://lore.kernel.org/r/20230213010020.1813-6-michael.christie%40oracle.com patch subject: [PATCH 5/5] kernel: Convert kthread to use setup_thread_fn config: mips-randconfig-r021-20230213 (https://download.01.org/0day-ci/archive/20230213/202302131159.2TPrVEmE-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project db0e6591612b53910a1b366863348bdb9d7d2fb1) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install mips cross compiling tool for clang build # apt-get install binutils-mipsel-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/9b34e5869b059d529620a0144a93c7437411cca0 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Mike-Christie/kernel-Move-kernel_clone_args-s-fn-to-new-struct/20230213-090304 git checkout 9b34e5869b059d529620a0144a93c7437411cca0 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202302131159.2TPrVEmE-lkp@intel.com/ All warnings (new ones prefixed by >>): kernel/fork.c:162:13: warning: no previous prototype for function 'arch_release_task_struct' [-Wmissing-prototypes] void __weak arch_release_task_struct(struct task_struct *tsk) ^ kernel/fork.c:162:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void __weak arch_release_task_struct(struct task_struct *tsk) ^ static kernel/fork.c:862:20: warning: no previous prototype for function 'arch_task_cache_init' [-Wmissing-prototypes] void __init __weak arch_task_cache_init(void) { } ^ kernel/fork.c:862:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void __init __weak arch_task_cache_init(void) { } ^ static >> kernel/fork.c:2565:1: warning: unused label 'bad_fork_cleanup_delayacct' [-Wunused-label] bad_fork_cleanup_delayacct: ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 3 warnings generated. vim +/bad_fork_cleanup_delayacct +2565 kernel/fork.c d741bf41d7c7db Peter Zijlstra 2020-08-29 2371 7e47682ea555e7 Aleksa Sarai 2015-06-09 2372 /* 7e47682ea555e7 Aleksa Sarai 2015-06-09 2373 * Ensure that the cgroup subsystem policies allow the new process to be 7b7b8a2c9560ef Randy Dunlap 2020-10-15 2374 * forked. It should be noted that the new process's css_set can be changed 7e47682ea555e7 Aleksa Sarai 2015-06-09 2375 * between here and cgroup_post_fork() if an organisation operation is in 7e47682ea555e7 Aleksa Sarai 2015-06-09 2376 * progress. 7e47682ea555e7 Aleksa Sarai 2015-06-09 2377 */ ef2c41cf38a755 Christian Brauner 2020-02-05 2378 retval = cgroup_can_fork(p, args); 7e47682ea555e7 Aleksa Sarai 2015-06-09 2379 if (retval) 5a5cf5cb30d781 Christian Brauner 2020-02-05 2380 goto bad_fork_put_pidfd; 7e47682ea555e7 Aleksa Sarai 2015-06-09 2381 b1e8206582f9d6 Peter Zijlstra 2022-02-14 2382 /* b1e8206582f9d6 Peter Zijlstra 2022-02-14 2383 * Now that the cgroups are pinned, re-clone the parent cgroup and put b1e8206582f9d6 Peter Zijlstra 2022-02-14 2384 * the new task on the correct runqueue. All this *before* the task b1e8206582f9d6 Peter Zijlstra 2022-02-14 2385 * becomes visible. b1e8206582f9d6 Peter Zijlstra 2022-02-14 2386 * b1e8206582f9d6 Peter Zijlstra 2022-02-14 2387 * This isn't part of ->can_fork() because while the re-cloning is b1e8206582f9d6 Peter Zijlstra 2022-02-14 2388 * cgroup specific, it unconditionally needs to place the task on a b1e8206582f9d6 Peter Zijlstra 2022-02-14 2389 * runqueue. b1e8206582f9d6 Peter Zijlstra 2022-02-14 2390 */ b1e8206582f9d6 Peter Zijlstra 2022-02-14 2391 sched_cgroup_fork(p, args); b1e8206582f9d6 Peter Zijlstra 2022-02-14 2392 7b55851367136b David Herrmann 2019-01-08 2393 /* 7b55851367136b David Herrmann 2019-01-08 2394 * From this point on we must avoid any synchronous user-space 7b55851367136b David Herrmann 2019-01-08 2395 * communication until we take the tasklist-lock. In particular, we do 7b55851367136b David Herrmann 2019-01-08 2396 * not want user-space to be able to predict the process start-time by 7b55851367136b David Herrmann 2019-01-08 2397 * stalling fork(2) after we recorded the start_time but before it is 7b55851367136b David Herrmann 2019-01-08 2398 * visible to the system. 7b55851367136b David Herrmann 2019-01-08 2399 */ 7b55851367136b David Herrmann 2019-01-08 2400 7b55851367136b David Herrmann 2019-01-08 2401 p->start_time = ktime_get_ns(); cf25e24db61cc9 Peter Zijlstra 2019-11-07 2402 p->start_boottime = ktime_get_boottime_ns(); 7b55851367136b David Herrmann 2019-01-08 2403 18c830df771f2b Oleg Nesterov 2013-07-03 2404 /* 18c830df771f2b Oleg Nesterov 2013-07-03 2405 * Make it visible to the rest of the system, but dont wake it up yet. 18c830df771f2b Oleg Nesterov 2013-07-03 2406 * Need tasklist lock for parent etc handling! 18c830df771f2b Oleg Nesterov 2013-07-03 2407 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 2408 write_lock_irq(&tasklist_lock); ^1da177e4c3f41 Linus Torvalds 2005-04-16 2409 ^1da177e4c3f41 Linus Torvalds 2005-04-16 2410 /* CLONE_PARENT re-uses the old parent */ 2d5516cbb9daf7 Oleg Nesterov 2009-03-02 2411 if (clone_flags & (CLONE_PARENT|CLONE_THREAD)) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 2412 p->real_parent = current->real_parent; 2d5516cbb9daf7 Oleg Nesterov 2009-03-02 2413 p->parent_exec_id = current->parent_exec_id; b4e00444cab4c3 Eddy Wu 2020-11-07 2414 if (clone_flags & CLONE_THREAD) b4e00444cab4c3 Eddy Wu 2020-11-07 2415 p->exit_signal = -1; b4e00444cab4c3 Eddy Wu 2020-11-07 2416 else b4e00444cab4c3 Eddy Wu 2020-11-07 2417 p->exit_signal = current->group_leader->exit_signal; 2d5516cbb9daf7 Oleg Nesterov 2009-03-02 2418 } else { ^1da177e4c3f41 Linus Torvalds 2005-04-16 2419 p->real_parent = current; 2d5516cbb9daf7 Oleg Nesterov 2009-03-02 2420 p->parent_exec_id = current->self_exec_id; b4e00444cab4c3 Eddy Wu 2020-11-07 2421 p->exit_signal = args->exit_signal; 2d5516cbb9daf7 Oleg Nesterov 2009-03-02 2422 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 2423 d83a7cb375eec2 Josh Poimboeuf 2017-02-13 2424 klp_copy_process(p); d83a7cb375eec2 Josh Poimboeuf 2017-02-13 2425 85dd3f61203c5c Peter Zijlstra 2021-03-29 2426 sched_core_fork(p); 85dd3f61203c5c Peter Zijlstra 2021-03-29 2427 ^1da177e4c3f41 Linus Torvalds 2005-04-16 2428 spin_lock(¤t->sighand->siglock); 4a2c7a7837da1b Oleg Nesterov 2006-03-28 2429 792575348ff70e Daniel Bristot de Oliveira 2022-07-29 2430 rv_task_fork(p); 792575348ff70e Daniel Bristot de Oliveira 2022-07-29 2431 d7822b1e24f2df Mathieu Desnoyers 2018-06-02 2432 rseq_fork(p, clone_flags); d7822b1e24f2df Mathieu Desnoyers 2018-06-02 2433 4ca1d3ee46130e Eric W. Biederman 2018-07-13 2434 /* Don't start children in a dying pid namespace */ e8cfbc245e2488 Gargi Sharma 2017-11-17 2435 if (unlikely(!(ns_of_pid(pid)->pid_allocated & PIDNS_ADDING))) { 3fd37226216620 Kirill Tkhai 2017-05-12 2436 retval = -ENOMEM; 3fd37226216620 Kirill Tkhai 2017-05-12 2437 goto bad_fork_cancel_cgroup; 3fd37226216620 Kirill Tkhai 2017-05-12 2438 } 4a2c7a7837da1b Oleg Nesterov 2006-03-28 2439 7673bf553b2732 Eric W. Biederman 2018-07-23 2440 /* Let kill terminate clone/fork in the middle */ 7673bf553b2732 Eric W. Biederman 2018-07-23 2441 if (fatal_signal_pending(current)) { 7673bf553b2732 Eric W. Biederman 2018-07-23 2442 retval = -EINTR; 7673bf553b2732 Eric W. Biederman 2018-07-23 2443 goto bad_fork_cancel_cgroup; 7673bf553b2732 Eric W. Biederman 2018-07-23 2444 } 7673bf553b2732 Eric W. Biederman 2018-07-23 2445 a1140cb215fa13 Kuniyuki Iwashima 2022-08-23 2446 /* No more failure paths after this point. */ a1140cb215fa13 Kuniyuki Iwashima 2022-08-23 2447 a1140cb215fa13 Kuniyuki Iwashima 2022-08-23 2448 /* a1140cb215fa13 Kuniyuki Iwashima 2022-08-23 2449 * Copy seccomp details explicitly here, in case they were changed a1140cb215fa13 Kuniyuki Iwashima 2022-08-23 2450 * before holding sighand lock. a1140cb215fa13 Kuniyuki Iwashima 2022-08-23 2451 */ a1140cb215fa13 Kuniyuki Iwashima 2022-08-23 2452 copy_seccomp(p); a1140cb215fa13 Kuniyuki Iwashima 2022-08-23 2453 2c4704756cab7c Eric W. Biederman 2017-09-26 2454 init_task_pid_links(p); 73b9ebfe126a4a Oleg Nesterov 2006-03-28 2455 if (likely(p->pid)) { 4b9d33e6d83cc0 Tejun Heo 2011-06-17 2456 ptrace_init_task(p, (clone_flags & CLONE_PTRACE) || trace); ^1da177e4c3f41 Linus Torvalds 2005-04-16 2457 8190773985141f Oleg Nesterov 2013-07-03 2458 init_task_pid(p, PIDTYPE_PID, pid); ^1da177e4c3f41 Linus Torvalds 2005-04-16 2459 if (thread_group_leader(p)) { 6883f81aac6f44 Eric W. Biederman 2017-06-04 2460 init_task_pid(p, PIDTYPE_TGID, pid); 8190773985141f Oleg Nesterov 2013-07-03 2461 init_task_pid(p, PIDTYPE_PGID, task_pgrp(current)); 8190773985141f Oleg Nesterov 2013-07-03 2462 init_task_pid(p, PIDTYPE_SID, task_session(current)); 8190773985141f Oleg Nesterov 2013-07-03 2463 1c4042c29bd2e8 Eric W. Biederman 2010-07-12 2464 if (is_child_reaper(pid)) { 17cf22c33e1f1b Eric W. Biederman 2010-03-02 2465 ns_of_pid(pid)->child_reaper = p; 1c4042c29bd2e8 Eric W. Biederman 2010-07-12 2466 p->signal->flags |= SIGNAL_UNKILLABLE; 1c4042c29bd2e8 Eric W. Biederman 2010-07-12 2467 } c3ad2c3b02e953 Eric W. Biederman 2018-07-23 2468 p->signal->shared_pending.signal = delayed.signal; 9c9f4ded90a59e Alan Cox 2008-10-13 2469 p->signal->tty = tty_kref_get(current->signal->tty); 749860ce242798 Pavel Tikhomirov 2017-01-30 2470 /* 749860ce242798 Pavel Tikhomirov 2017-01-30 2471 * Inherit has_child_subreaper flag under the same 749860ce242798 Pavel Tikhomirov 2017-01-30 2472 * tasklist_lock with adding child to the process tree 749860ce242798 Pavel Tikhomirov 2017-01-30 2473 * for propagate_has_child_subreaper optimization. 749860ce242798 Pavel Tikhomirov 2017-01-30 2474 */ 749860ce242798 Pavel Tikhomirov 2017-01-30 2475 p->signal->has_child_subreaper = p->real_parent->signal->has_child_subreaper || 749860ce242798 Pavel Tikhomirov 2017-01-30 2476 p->real_parent->signal->is_child_subreaper; 9cd80bbb07fcd6 Oleg Nesterov 2009-12-17 2477 list_add_tail(&p->sibling, &p->real_parent->children); 5e85d4abe3f43b Eric W. Biederman 2006-04-18 2478 list_add_tail_rcu(&p->tasks, &init_task.tasks); 6883f81aac6f44 Eric W. Biederman 2017-06-04 2479 attach_pid(p, PIDTYPE_TGID); 8190773985141f Oleg Nesterov 2013-07-03 2480 attach_pid(p, PIDTYPE_PGID); 8190773985141f Oleg Nesterov 2013-07-03 2481 attach_pid(p, PIDTYPE_SID); 909ea96468096b Christoph Lameter 2010-12-08 2482 __this_cpu_inc(process_counts); 80628ca06c5d42 Oleg Nesterov 2013-07-03 2483 } else { 80628ca06c5d42 Oleg Nesterov 2013-07-03 2484 current->signal->nr_threads++; d80f7d7b2c75c5 Eric W. Biederman 2022-06-21 2485 current->signal->quick_threads++; 80628ca06c5d42 Oleg Nesterov 2013-07-03 2486 atomic_inc(¤t->signal->live); 60d4de3ff7f775 Elena Reshetova 2019-01-18 2487 refcount_inc(¤t->signal->sigcnt); 924de3b8c9410c Eric W. Biederman 2018-07-23 2488 task_join_group_stop(p); 80628ca06c5d42 Oleg Nesterov 2013-07-03 2489 list_add_tail_rcu(&p->thread_group, 80628ca06c5d42 Oleg Nesterov 2013-07-03 2490 &p->group_leader->thread_group); 0c740d0afc3bff Oleg Nesterov 2014-01-21 2491 list_add_tail_rcu(&p->thread_node, 0c740d0afc3bff Oleg Nesterov 2014-01-21 2492 &p->signal->thread_head); ^1da177e4c3f41 Linus Torvalds 2005-04-16 2493 } 8190773985141f Oleg Nesterov 2013-07-03 2494 attach_pid(p, PIDTYPE_PID); ^1da177e4c3f41 Linus Torvalds 2005-04-16 2495 nr_threads++; 73b9ebfe126a4a Oleg Nesterov 2006-03-28 2496 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 2497 total_forks++; c3ad2c3b02e953 Eric W. Biederman 2018-07-23 2498 hlist_del_init(&delayed.node); 3f17da699431ec Oleg Nesterov 2006-02-15 2499 spin_unlock(¤t->sighand->siglock); 4af4206be2bd19 Oleg Nesterov 2014-04-13 2500 syscall_tracepoint_update(p); ^1da177e4c3f41 Linus Torvalds 2005-04-16 2501 write_unlock_irq(&tasklist_lock); 4af4206be2bd19 Oleg Nesterov 2014-04-13 2502 ddc204b517e60a Waiman Long 2022-02-08 2503 if (pidfile) ddc204b517e60a Waiman Long 2022-02-08 2504 fd_install(pidfd, pidfile); ddc204b517e60a Waiman Long 2022-02-08 2505 c13cf856cbe16a Andrew Morton 2005-11-28 2506 proc_fork_connector(p); b1e8206582f9d6 Peter Zijlstra 2022-02-14 2507 sched_post_fork(p); ef2c41cf38a755 Christian Brauner 2020-02-05 2508 cgroup_post_fork(p, args); cdd6c482c9ff9c Ingo Molnar 2009-09-21 2509 perf_event_fork(p); 43d2b113241d67 KAMEZAWA Hiroyuki 2012-01-10 2510 43d2b113241d67 KAMEZAWA Hiroyuki 2012-01-10 2511 trace_task_newtask(p, clone_flags); 3ab679661721b1 Oleg Nesterov 2013-10-16 2512 uprobe_copy_process(p, clone_flags); 43d2b113241d67 KAMEZAWA Hiroyuki 2012-01-10 2513 67197a4f28d28d Suren Baghdasaryan 2020-10-13 2514 copy_oom_score_adj(clone_flags, p); 67197a4f28d28d Suren Baghdasaryan 2020-10-13 2515 ^1da177e4c3f41 Linus Torvalds 2005-04-16 2516 return p; ^1da177e4c3f41 Linus Torvalds 2005-04-16 2517 7e47682ea555e7 Aleksa Sarai 2015-06-09 2518 bad_fork_cancel_cgroup: 85dd3f61203c5c Peter Zijlstra 2021-03-29 2519 sched_core_free(p); 3fd37226216620 Kirill Tkhai 2017-05-12 2520 spin_unlock(¤t->sighand->siglock); 3fd37226216620 Kirill Tkhai 2017-05-12 2521 write_unlock_irq(&tasklist_lock); ef2c41cf38a755 Christian Brauner 2020-02-05 2522 cgroup_cancel_fork(p, args); b3e5838252665e Christian Brauner 2019-03-27 2523 bad_fork_put_pidfd: 6fd2fe494b17bf Al Viro 2019-06-26 2524 if (clone_flags & CLONE_PIDFD) { 6fd2fe494b17bf Al Viro 2019-06-26 2525 fput(pidfile); 6fd2fe494b17bf Al Viro 2019-06-26 2526 put_unused_fd(pidfd); 6fd2fe494b17bf Al Viro 2019-06-26 2527 } 425fb2b4bf5dde Pavel Emelyanov 2007-10-18 2528 bad_fork_free_pid: 425fb2b4bf5dde Pavel Emelyanov 2007-10-18 2529 if (pid != &init_struct_pid) 425fb2b4bf5dde Pavel Emelyanov 2007-10-18 2530 free_pid(pid); 0740aa5f637568 Jiri Slaby 2016-05-20 2531 bad_fork_cleanup_thread: 0740aa5f637568 Jiri Slaby 2016-05-20 2532 exit_thread(p); fd0928df98b957 Jens Axboe 2008-01-24 2533 bad_fork_cleanup_io: b69f2292063d2c Louis Rilling 2009-12-04 2534 if (p->io_context) b69f2292063d2c Louis Rilling 2009-12-04 2535 exit_io_context(p); ab516013ad9ca4 Serge E. Hallyn 2006-10-02 2536 bad_fork_cleanup_namespaces: 444f378b237a0f Linus Torvalds 2007-01-30 2537 exit_task_namespaces(p); ^1da177e4c3f41 Linus Torvalds 2005-04-16 2538 bad_fork_cleanup_mm: c3f3ce049f7d97 Andrea Arcangeli 2019-05-14 2539 if (p->mm) { c3f3ce049f7d97 Andrea Arcangeli 2019-05-14 2540 mm_clear_owner(p->mm, p); ^1da177e4c3f41 Linus Torvalds 2005-04-16 2541 mmput(p->mm); c3f3ce049f7d97 Andrea Arcangeli 2019-05-14 2542 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 2543 bad_fork_cleanup_signal: 4ab6c08336535f Oleg Nesterov 2009-08-26 2544 if (!(clone_flags & CLONE_THREAD)) 1c5354de90c900 Mike Galbraith 2011-01-05 2545 free_signal_struct(p->signal); ^1da177e4c3f41 Linus Torvalds 2005-04-16 2546 bad_fork_cleanup_sighand: a7e5328a06a2be Oleg Nesterov 2006-03-28 2547 __cleanup_sighand(p->sighand); ^1da177e4c3f41 Linus Torvalds 2005-04-16 2548 bad_fork_cleanup_fs: ^1da177e4c3f41 Linus Torvalds 2005-04-16 2549 exit_fs(p); /* blocking */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 2550 bad_fork_cleanup_files: ^1da177e4c3f41 Linus Torvalds 2005-04-16 2551 exit_files(p); /* blocking */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 2552 bad_fork_cleanup_semundo: ^1da177e4c3f41 Linus Torvalds 2005-04-16 2553 exit_sem(p); e4e55b47ed9ae2 Tetsuo Handa 2017-03-24 2554 bad_fork_cleanup_security: e4e55b47ed9ae2 Tetsuo Handa 2017-03-24 2555 security_task_free(p); ^1da177e4c3f41 Linus Torvalds 2005-04-16 2556 bad_fork_cleanup_audit: ^1da177e4c3f41 Linus Torvalds 2005-04-16 2557 audit_free(p); 6c72e3501d0d62 Peter Zijlstra 2014-10-02 2558 bad_fork_cleanup_perf: cdd6c482c9ff9c Ingo Molnar 2009-09-21 2559 perf_event_free_task(p); 6c72e3501d0d62 Peter Zijlstra 2014-10-02 2560 bad_fork_cleanup_policy: b09be676e0ff25 Byungchul Park 2017-08-07 2561 lockdep_free_task(p); ^1da177e4c3f41 Linus Torvalds 2005-04-16 2562 #ifdef CONFIG_NUMA f0be3d32b05d3f Lee Schermerhorn 2008-04-28 2563 mpol_put(p->mempolicy); ^1da177e4c3f41 Linus Torvalds 2005-04-16 2564 #endif ff8288ff475e47 Eric W. Biederman 2021-12-20 @2565 bad_fork_cleanup_delayacct: 35df17c57cecb0 Shailabh Nagar 2006-08-31 2566 delayacct_tsk_free(p); ^1da177e4c3f41 Linus Torvalds 2005-04-16 2567 bad_fork_cleanup_count: 21d1c5e386bc75 Alexey Gladkov 2021-04-22 2568 dec_rlimit_ucounts(task_ucounts(p), UCOUNT_RLIMIT_NPROC, 1); e0e817392b9acf David Howells 2009-09-02 2569 exit_creds(p); ^1da177e4c3f41 Linus Torvalds 2005-04-16 2570 bad_fork_free: 2f064a59a11ff9 Peter Zijlstra 2021-06-11 2571 WRITE_ONCE(p->__state, TASK_DEAD); 1a03d3f13ffe5d Sebastian Andrzej Siewior 2022-02-17 2572 exit_task_stack_account(p); 68f24b08ee892d Andy Lutomirski 2016-09-15 2573 put_task_stack(p); c3f3ce049f7d97 Andrea Arcangeli 2019-05-14 2574 delayed_free_task(p); fe7d37d1fbf8ff Oleg Nesterov 2006-01-08 2575 fork_out: c3ad2c3b02e953 Eric W. Biederman 2018-07-23 2576 spin_lock_irq(¤t->sighand->siglock); c3ad2c3b02e953 Eric W. Biederman 2018-07-23 2577 hlist_del_init(&delayed.node); c3ad2c3b02e953 Eric W. Biederman 2018-07-23 2578 spin_unlock_irq(¤t->sighand->siglock); fe7d37d1fbf8ff Oleg Nesterov 2006-01-08 2579 return ERR_PTR(retval); ^1da177e4c3f41 Linus Torvalds 2005-04-16 2580 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 2581 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests