From mboxrd@z Thu Jan 1 00:00:00 1970 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id F1C21C433F5 for ; Wed, 16 Feb 2022 04:15:28 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 749FB6B0078; Tue, 15 Feb 2022 23:15:28 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 6D1376B007B; Tue, 15 Feb 2022 23:15:28 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 524B16B007D; Tue, 15 Feb 2022 23:15:28 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0006.hostedemail.com [216.40.44.6]) by kanga.kvack.org (Postfix) with ESMTP id 4047A6B0078 for ; Tue, 15 Feb 2022 23:15:28 -0500 (EST) Received: from smtpin08.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 010B18D6D2 for ; Wed, 16 Feb 2022 04:15:28 +0000 (UTC) X-FDA: 79147328736.08.B34A34B Received: from lgeamrelo11.lge.com (lgeamrelo11.lge.com [156.147.23.51]) by imf20.hostedemail.com (Postfix) with ESMTP id E64411C0002 for ; Wed, 16 Feb 2022 04:15:24 +0000 (UTC) Received: from unknown (HELO lgeamrelo04.lge.com) (156.147.1.127) by 156.147.23.51 with ESMTP; 16 Feb 2022 13:15:23 +0900 X-Original-SENDERIP: 156.147.1.127 X-Original-MAILFROM: byungchul.park@lge.com Received: from unknown (HELO localhost.localdomain) (10.177.244.38) by 156.147.1.127 with ESMTP; 16 Feb 2022 13:15:23 +0900 X-Original-SENDERIP: 10.177.244.38 X-Original-MAILFROM: byungchul.park@lge.com From: Byungchul Park To: tytso@mit.edu, adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org Cc: torvalds@linux-foundation.org, mingo@redhat.com, linux-kernel@vger.kernel.org, peterz@infradead.org, will@kernel.org, tglx@linutronix.de, rostedt@goodmis.org, joel@joelfernandes.org, sashal@kernel.org, daniel.vetter@ffwll.ch, chris@chris-wilson.co.uk, duyuyang@gmail.com, johannes.berg@intel.com, tj@kernel.org, willy@infradead.org, david@fromorbit.com, amir73il@gmail.com, bfields@fieldses.org, gregkh@linuxfoundation.org, kernel-team@lge.com, linux-mm@kvack.org, akpm@linux-foundation.org, mhocko@kernel.org, minchan@kernel.org, hannes@cmpxchg.org, vdavydov.dev@gmail.com, sj@kernel.org, jglisse@redhat.com, dennis@kernel.org, cl@linux.com, penberg@kernel.org, rientjes@google.com, vbabka@suse.cz, ngupta@vflare.org, linux-block@vger.kernel.org, axboe@kernel.dk, paolo.valente@linaro.org, josef@toxicpanda.com, linux-fsdevel@vger.kernel.org, viro@zeniv.linux.org.uk, jack@suse.cz, jlayton@kernel.org, dan.j.williams@intel.com, hch@infradead.org, djwong@kernel.org, dri-devel@lists.freedesktop.org, airlied@linux.ie, rodrigosiqueiramelo@gmail.com, melissa.srw@gmail.com, hamohammed.sa@gmail.com Subject: Report in ext4_file_write_iter() Date: Wed, 16 Feb 2022 13:15:15 +0900 Message-Id: <1644984918-27955-3-git-send-email-byungchul.park@lge.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1644984918-27955-1-git-send-email-byungchul.park@lge.com> References: <1644984711-26423-1-git-send-email-byungchul.park@lge.com> <1644984918-27955-1-git-send-email-byungchul.park@lge.com> X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: E64411C0002 X-Stat-Signature: qheqouqxxkd9ob4yz5qod55tap9uhm6f X-Rspam-User: Authentication-Results: imf20.hostedemail.com; dkim=none; dmarc=none; spf=pass (imf20.hostedemail.com: domain of byungchul.park@lge.com designates 156.147.23.51 as permitted sender) smtp.mailfrom=byungchul.park@lge.com X-HE-Tag: 1644984924-122711 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: [ 6.881168] =================================================== [ 6.881170] DEPT: Circular dependency has been detected. [ 6.881172] 5.17.0-rc1-00014-gcf3441bb2012 #2 Tainted: G W [ 6.881173] --------------------------------------------------- [ 6.881174] summary [ 6.881174] --------------------------------------------------- [ 6.881175] *** DEADLOCK *** [ 6.881175] [ 6.881176] context A [ 6.881176] [S] (unknown)(&(&journal->j_wait_commit)->dmap:0) [ 6.881178] [W] down_write(mapping.invalidate_lock:0) [ 6.881179] [E] event(&(&journal->j_wait_commit)->dmap:0) [ 6.881180] [ 6.881181] context B [ 6.881182] [S] __raw_write_lock(&journal->j_state_lock:8) [ 6.881183] [W] wait(&(&journal->j_wait_commit)->dmap:0) [ 6.881184] [E] write_unlock(&journal->j_state_lock:8) [ 6.881185] [ 6.881185] context C [ 6.881186] [S] down_write(mapping.invalidate_lock:0) [ 6.881187] [W] __raw_read_lock(&journal->j_state_lock:8) [ 6.881188] [E] up_write(mapping.invalidate_lock:0) [ 6.881189] [ 6.881190] [S]: start of the event context [ 6.881190] [W]: the wait blocked [ 6.881191] [E]: the event not reachable [ 6.881191] --------------------------------------------------- [ 6.881192] context A's detail [ 6.881193] --------------------------------------------------- [ 6.881193] context A [ 6.881194] [S] (unknown)(&(&journal->j_wait_commit)->dmap:0) [ 6.881195] [W] down_write(mapping.invalidate_lock:0) [ 6.881196] [E] event(&(&journal->j_wait_commit)->dmap:0) [ 6.881197] [ 6.881198] [S] (unknown)(&(&journal->j_wait_commit)->dmap:0): [ 6.881199] (N/A) [ 6.881199] [ 6.881200] [W] down_write(mapping.invalidate_lock:0): [ 6.881201] [] ext4_da_write_begin+0x183/0x2a0 [ 6.881207] stacktrace: [ 6.881207] down_write+0x68/0x580 [ 6.881210] ext4_da_write_begin+0x183/0x2a0 [ 6.881213] generic_perform_write+0xa6/0x1c0 [ 6.881215] ext4_buffered_write_iter+0x89/0x100 [ 6.881219] ext4_file_write_iter+0x4a/0x7f0 [ 6.881222] new_sync_write+0x100/0x190 [ 6.881225] vfs_write+0x134/0x360 [ 6.881228] ksys_write+0x4d/0xc0 [ 6.881230] do_syscall_64+0x3a/0x90 [ 6.881233] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 6.881236] [ 6.881237] [E] event(&(&journal->j_wait_commit)->dmap:0): [ 6.881238] [] __wake_up_common+0x93/0x1a0 [ 6.881240] stacktrace: [ 6.881240] dept_event+0x12b/0x1f0 [ 6.881243] __wake_up_common+0xb0/0x1a0 [ 6.881244] __wake_up_common_lock+0x65/0x90 [ 6.881246] __jbd2_log_start_commit+0x8a/0xa0 [ 6.881248] jbd2_log_start_commit+0x24/0x40 [ 6.881250] __jbd2_journal_force_commit+0x91/0xb0 [ 6.881251] jbd2_journal_force_commit_nested+0x5/0x10 [ 6.881253] ext4_should_retry_alloc+0x5b/0xb0 [ 6.881254] ext4_da_write_begin+0xf2/0x2a0 [ 6.881256] generic_perform_write+0xa6/0x1c0 [ 6.881258] ext4_buffered_write_iter+0x89/0x100 [ 6.881260] ext4_file_write_iter+0x4a/0x7f0 [ 6.881262] new_sync_write+0x100/0x190 [ 6.881264] vfs_write+0x134/0x360 [ 6.881265] ksys_write+0x4d/0xc0 [ 6.881267] do_syscall_64+0x3a/0x90 [ 6.881268] --------------------------------------------------- [ 6.881269] context B's detail [ 6.881270] --------------------------------------------------- [ 6.881270] context B [ 6.881271] [S] __raw_write_lock(&journal->j_state_lock:8) [ 6.881272] [W] wait(&(&journal->j_wait_commit)->dmap:0) [ 6.881273] [E] write_unlock(&journal->j_state_lock:8) [ 6.881274] [ 6.881275] [S] __raw_write_lock(&journal->j_state_lock:8): [ 6.881276] [] kjournald2+0x7e/0x260 [ 6.881277] stacktrace: [ 6.881278] _raw_write_lock+0x6e/0x90 [ 6.881280] kjournald2+0x7e/0x260 [ 6.881281] kthread+0xe3/0x110 [ 6.881287] ret_from_fork+0x22/0x30 [ 6.881290] [ 6.881290] [W] wait(&(&journal->j_wait_commit)->dmap:0): [ 6.881291] [] prepare_to_wait+0x47/0xd0 [ 6.881293] stacktrace: [ 6.881294] kjournald2+0x164/0x260 [ 6.881295] kthread+0xe3/0x110 [ 6.881297] ret_from_fork+0x22/0x30 [ 6.881298] [ 6.881299] [E] write_unlock(&journal->j_state_lock:8): [ 6.881300] [] kjournald2+0x1eb/0x260 [ 6.881301] stacktrace: [ 6.881302] _raw_write_unlock+0x30/0x70 [ 6.881304] kjournald2+0x1eb/0x260 [ 6.881305] kthread+0xe3/0x110 [ 6.881307] ret_from_fork+0x22/0x30 [ 6.881308] --------------------------------------------------- [ 6.881309] context C's detail [ 6.881309] --------------------------------------------------- [ 6.881310] context C [ 6.881311] [S] down_write(mapping.invalidate_lock:0) [ 6.881312] [W] __raw_read_lock(&journal->j_state_lock:8) [ 6.881313] [E] up_write(mapping.invalidate_lock:0) [ 6.881314] [ 6.881314] [S] down_write(mapping.invalidate_lock:0): [ 6.881315] [] ext4_setattr+0x3eb/0x8f0 [ 6.881317] stacktrace: [ 6.881318] down_write+0x8a/0x580 [ 6.881319] ext4_setattr+0x3eb/0x8f0 [ 6.881321] notify_change+0x352/0x4c0 [ 6.881323] do_truncate+0x6a/0xa0 [ 6.881325] path_openat+0x646/0x9c0 [ 6.881327] do_filp_open+0xaf/0x110 [ 6.881329] do_sys_openat2+0x1ff/0x300 [ 6.881330] do_sys_open+0x51/0x60 [ 6.881332] do_syscall_64+0x3a/0x90 [ 6.881333] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 6.881335] [ 6.881336] [W] __raw_read_lock(&journal->j_state_lock:8): [ 6.881337] [] start_this_handle+0xa7/0x5e0 [ 6.881340] stacktrace: [ 6.881340] _raw_read_lock+0x57/0xd0 [ 6.881342] start_this_handle+0xa7/0x5e0 [ 6.881344] jbd2__journal_start+0xe6/0x220 [ 6.881345] __ext4_journal_start_sb+0x11c/0x150 [ 6.881347] ext4_setattr+0x436/0x8f0 [ 6.881349] notify_change+0x352/0x4c0 [ 6.881350] do_truncate+0x6a/0xa0 [ 6.881352] path_openat+0x646/0x9c0 [ 6.881353] do_filp_open+0xaf/0x110 [ 6.881355] do_sys_openat2+0x1ff/0x300 [ 6.881356] do_sys_open+0x51/0x60 [ 6.881358] do_syscall_64+0x3a/0x90 [ 6.881360] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 6.881362] [ 6.881362] [E] up_write(mapping.invalidate_lock:0): [ 6.881363] [] ext4_setattr+0x73f/0x8f0 [ 6.881365] stacktrace: [ 6.881365] up_write+0x36/0x170 [ 6.881369] ext4_setattr+0x73f/0x8f0 [ 6.881370] notify_change+0x352/0x4c0 [ 6.881372] do_truncate+0x6a/0xa0 [ 6.881373] path_openat+0x646/0x9c0 [ 6.881375] do_filp_open+0xaf/0x110 [ 6.881376] do_sys_openat2+0x1ff/0x300 [ 6.881378] do_sys_open+0x51/0x60 [ 6.881379] do_syscall_64+0x3a/0x90 [ 6.881381] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 6.881383] --------------------------------------------------- [ 6.881383] information that might be helpful [ 6.881384] --------------------------------------------------- [ 6.881385] CPU: 2 PID: 628 Comm: rs:main Q:Reg Tainted: G W 5.17.0-rc1-00014-gcf3441bb2012 #2 [ 6.881387] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 6.881389] Call Trace: [ 6.881390] [ 6.881391] dump_stack_lvl+0x44/0x57 [ 6.881394] print_circle+0x384/0x510 [ 6.881396] ? __kernel_text_address+0x9/0x30 [ 6.881398] ? print_circle+0x510/0x510 [ 6.881400] cb_check_dl+0x58/0x60 [ 6.881401] bfs+0xdc/0x1b0 [ 6.881404] add_dep+0x94/0x120 [ 6.881406] do_event.isra.22+0x284/0x300 [ 6.881408] ? __wake_up_common+0x93/0x1a0 [ 6.881409] dept_event+0x12b/0x1f0 [ 6.881411] __wake_up_common+0xb0/0x1a0 [ 6.881413] __wake_up_common_lock+0x65/0x90 [ 6.881415] __jbd2_log_start_commit+0x8a/0xa0 [ 6.881417] jbd2_log_start_commit+0x24/0x40 [ 6.881419] __jbd2_journal_force_commit+0x91/0xb0 [ 6.881421] jbd2_journal_force_commit_nested+0x5/0x10 [ 6.881422] ext4_should_retry_alloc+0x5b/0xb0 [ 6.881424] ext4_da_write_begin+0xf2/0x2a0 [ 6.881427] generic_perform_write+0xa6/0x1c0 [ 6.881429] ext4_buffered_write_iter+0x89/0x100 [ 6.881432] ext4_file_write_iter+0x4a/0x7f0 [ 6.881435] new_sync_write+0x100/0x190 [ 6.881438] vfs_write+0x134/0x360 [ 6.881441] ksys_write+0x4d/0xc0 [ 6.881442] ? trace_hardirqs_on+0x38/0xe0 [ 6.881445] do_syscall_64+0x3a/0x90 [ 6.881447] entry_SYSCALL_64_after_hwframe+0x44/0xae