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 X-Spam-Level: X-Spam-Status: No, score=-7.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 66C4CC433F5 for ; Tue, 7 Sep 2021 18:02:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4033A610F8 for ; Tue, 7 Sep 2021 18:02:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345113AbhIGSDl (ORCPT ); Tue, 7 Sep 2021 14:03:41 -0400 Received: from smtp-out1.suse.de ([195.135.220.28]:36886 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229574AbhIGSDl (ORCPT ); Tue, 7 Sep 2021 14:03:41 -0400 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id 884A7221B3; Tue, 7 Sep 2021 18:02:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1631037753; h=from:from:reply-to:reply-to:date:date:message-id:message-id:to:to: cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=E9Zg+ThEA4/07DJisLzjgT6ETBDNgNl2HqqRG0qj+3I=; b=MPQo9mUjf6sKGAr/JPgNaYHr5dxsf8tqCL83ZCWap7WERa22vuQzM2DkDadN+QG4XjgxTL 0Z8B0eEaGvy/I5vZSO/PSXH2DFGGlf+wh+e0/LICksPZRByQDgx+mu0OttW/BtbPcurW+O 5EpTD882H4CztTkb2rhjURYAL6jOO7s= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1631037753; h=from:from:reply-to:reply-to:date:date:message-id:message-id:to:to: cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=E9Zg+ThEA4/07DJisLzjgT6ETBDNgNl2HqqRG0qj+3I=; b=wimtjJpNLyI9tFwy4c0mc29bYdKTgWXYx5rXDVKXQ8e1BQa6Tt6G8qAqHC7W4EvBoyae1Y tg67/wKjhnscUNBA== Received: from ds.suse.cz (ds.suse.cz [10.100.12.205]) by relay2.suse.de (Postfix) with ESMTP id 811DBA3B8B; Tue, 7 Sep 2021 18:02:33 +0000 (UTC) Received: by ds.suse.cz (Postfix, from userid 10065) id 45E13DA7E1; Tue, 7 Sep 2021 20:02:29 +0200 (CEST) Date: Tue, 7 Sep 2021 20:02:28 +0200 From: David Sterba To: Qu Wenruo Cc: linux-btrfs@vger.kernel.org Subject: Re: [PATCH v2 00/26] btrfs: limited subpage compressed write support Message-ID: <20210907180228.GS3379@twin.jikos.cz> Reply-To: dsterba@suse.cz Mail-Followup-To: dsterba@suse.cz, Qu Wenruo , linux-btrfs@vger.kernel.org References: <20210829052458.15454-1-wqu@suse.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210829052458.15454-1-wqu@suse.com> User-Agent: Mutt/1.5.23.1-rc1 (2014-03-12) Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Crash in btrfs/138 btrfs/138 [17:47:31][ 3286.600120] run fstests btrfs/138 at 2021-09-07 17:47:31 [ 3286.932138] BTRFS: device fsid 438a1e94-63da-4e19-a479-3bc7d9b9b93a devid 1 transid 5 /dev/vdb scanned by mkfs.btrfs (22121) [ 3286.958963] BTRFS info (device vdb): flagging fs with big metadata feature [ 3286.960269] BTRFS info (device vdb): disk space caching is enabled [ 3286.961378] BTRFS info (device vdb): has skinny extents [ 3286.965129] BTRFS info (device vdb): checking UUID tree [ 3334.373345] BTRFS info (device vdb): flagging fs with big metadata feature [ 3334.374919] BTRFS info (device vdb): disk space caching is enabled [ 3334.376099] BTRFS info (device vdb): has skinny extents [ 3334.456496] BTRFS info (device vdb): setting incompat feature flag for COMPRESS_LZO (0x8) [ 3334.708351] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 3334.709746] #PF: supervisor read access in kernel mode [ 3334.710727] #PF: error_code(0x0000) - not-present page [ 3334.711741] PGD 0 P4D 0 [ 3334.712341] Oops: 0000 [#1] PREEMPT SMP [ 3334.713178] CPU: 2 PID: 22182 Comm: kworker/u8:7 Not tainted 5.14.0-rc7-default+ #1561 [ 3334.714773] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a-rebuilt.opensuse.org 04/01/2014 [ 3334.716942] Workqueue: btrfs-delalloc btrfs_work_helper [btrfs] [ 3334.718197] RIP: 0010:copy_compressed_data_to_page+0x1f7/0x2b0 [btrfs] [ 3334.723372] RSP: 0018:ffffa7c44a0c7c20 EFLAGS: 00010293 [ 3334.724418] RAX: 0000000000000000 RBX: 0000000000000fff RCX: 0000000000000000 [ 3334.725777] RDX: 0000000000000b3d RSI: 0000000000016000 RDI: 0000000000000000 [ 3334.727117] RBP: ffffa7c44a0c7cc4 R08: 0000000000000b3d R09: ffff9f1d45f34000 [ 3334.728517] R10: ffff9f1d7de00000 R11: 0000000000000000 R12: ffff9f1d5a812000 [ 3334.729878] R13: 0000000000000000 R14: ffffa7c44a0c7cc4 R15: 0000000000000000 [ 3334.731211] FS: 0000000000000000(0000) GS:ffff9f1d7da00000(0000) knlGS:0000000000000000 [ 3334.732756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3334.733821] CR2: 0000000000000000 CR3: 0000000076a0f002 CR4: 0000000000170ea0 [ 3334.735253] Call Trace: [ 3334.735873] lzo_compress_pages+0x182/0x320 [btrfs] [ 3334.736901] btrfs_compress_pages+0xbc/0x130 [btrfs] [ 3334.737910] compress_file_range+0x3ae/0x820 [btrfs] [ 3334.738876] ? rcu_read_lock_sched_held+0x12/0x70 [ 3334.739943] ? submit_compressed_extents+0xc0/0xc0 [btrfs] [ 3334.741058] async_cow_start+0x12/0x30 [btrfs] [ 3334.741933] btrfs_work_helper+0xd6/0x1d0 [btrfs] [ 3334.742987] process_one_work+0x262/0x5e0 [ 3334.743869] ? exit_to_user_mode_prepare+0x1b2/0x1c0 [ 3334.744869] ? process_one_work+0x5e0/0x5e0 [ 3334.745780] worker_thread+0x55/0x3c0 [ 3334.746598] ? process_one_work+0x5e0/0x5e0 [ 3334.747456] kthread+0x144/0x170 [ 3334.748139] ? set_kthread_struct+0x40/0x40 [ 3334.748995] ret_from_fork+0x1f/0x30 [ 3334.749787] Modules linked in: dm_flakey dm_mod btrfs blake2b_generic libcrc32c crc32c_intel xor zstd_decompress zstd_compress xxhash lzo_compress lzo_decompress raid6_pq loop [ 3334.752514] CR2: 0000000000000000 [ 3334.753164] ---[ end trace f1f62e4293ace345 ]--- [ 3334.753177] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 3334.753887] RIP: 0010:copy_compressed_data_to_page+0x1f7/0x2b0 [btrfs] [ 3334.754968] #PF: supervisor read access in kernel mode [ 3334.756704] #PF: error_code(0x0000) - not-present page [ 3334.759238] RSP: 0018:ffffa7c44a0c7c20 EFLAGS: 00010293 [ 3334.760011] PGD 0 P4D 0 [ 3334.760787] RAX: 0000000000000000 RBX: 0000000000000fff RCX: 0000000000000000 [ 3334.760790] RDX: 0000000000000b3d RSI: 0000000000016000 RDI: 0000000000000000 [ 3334.761227] Oops: 0000 [#2] PREEMPT SMP [ 3334.762222] RBP: ffffa7c44a0c7cc4 R08: 0000000000000b3d R09: ffff9f1d45f34000 [ 3334.763228] CPU: 1 PID: 30809 Comm: kworker/u8:10 Tainted: G D 5.14.0-rc7-default+ #1561 [ 3334.763828] R10: ffff9f1d7de00000 R11: 0000000000000000 R12: ffff9f1d5a812000 [ 3334.764833] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a-rebuilt.opensuse.org 04/01/2014 [ 3334.766165] R13: 0000000000000000 R14: ffffa7c44a0c7cc4 R15: 0000000000000000 [ 3334.767166] Workqueue: btrfs-delalloc btrfs_work_helper [btrfs] [ 3334.769097] FS: 0000000000000000(0000) GS:ffff9f1d7da00000(0000) knlGS:0000000000000000 [ 3334.770482] [ 3334.771422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3334.772857] RIP: 0010:copy_compressed_data_to_page+0x1f7/0x2b0 [btrfs] [ 3334.773201] CR2: 0000000000000000 CR3: 0000000076a0f002 CR4: 0000000000170ea0 [ 3334.779303] RSP: 0018:ffffa7c446f47c20 EFLAGS: 00010293 [ 3334.780739] RAX: 0000000000000000 RBX: 0000000000000fff RCX: 0000000000000000 [ 3334.783079] RDX: 0000000000000b47 RSI: 0000000000016000 RDI: 0000000000000000 [ 3334.784979] RBP: ffffa7c446f47cc4 R08: 0000000000000b47 R09: ffff9f1d1d088000 [ 3334.786059] R10: ffff9f1d7de00000 R11: 0000000000000000 R12: ffff9f1d249ba000 [ 3334.786654] R13: 0000000000000000 R14: ffffa7c446f47cc4 R15: 0000000000000000 [ 3334.787216] FS: 0000000000000000(0000) GS:ffff9f1d7d800000(0000) knlGS:0000000000000000 [ 3334.788178] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3334.788721] CR2: 0000000000000000 CR3: 0000000026af4005 CR4: 0000000000170ea0 [ 3334.789281] Call Trace: [ 3334.789527] lzo_compress_pages+0x182/0x320 [btrfs] [ 3334.790013] btrfs_compress_pages+0xbc/0x130 [btrfs] [ 3334.790468] compress_file_range+0x3ae/0x820 [btrfs] [ 3334.790921] ? rcu_read_lock_sched_held+0x12/0x70 [ 3334.791327] ? submit_compressed_extents+0xc0/0xc0 [btrfs] [ 3334.792104] async_cow_start+0x12/0x30 [btrfs] [ 3334.792615] btrfs_work_helper+0xd6/0x1d0 [btrfs] [ 3334.793059] process_one_work+0x262/0x5e0 [ 3334.793440] ? process_one_work+0x5e0/0x5e0 [ 3334.793807] worker_thread+0x55/0x3c0 [ 3334.794131] ? process_one_work+0x5e0/0x5e0 [ 3334.794489] kthread+0x144/0x170 [ 3334.794787] ? set_kthread_struct+0x40/0x40 [ 3334.795151] ret_from_fork+0x1f/0x30 [ 3334.795537] Modules linked in: dm_flakey dm_mod btrfs blake2b_generic libcrc32c crc32c_intel xor zstd_decompress zstd_compress xxhash lzo_compress lzo_decompress raid6_pq loop [ 3334.797011] CR2: 0000000000000000 [ 3334.797315] ---[ end trace f1f62e4293ace346 ]--- [ 3334.797341] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 3334.797704] RIP: 0010:copy_compressed_data_to_page+0x1f7/0x2b0 [btrfs] [ 3334.803174] #PF: supervisor read access in kernel mode [ 3334.804664] #PF: error_code(0x0000) - not-present page [ 3334.806086] RSP: 0018:ffffa7c44a0c7c20 EFLAGS: 00010293 [ 3334.806515] PGD 0 [ 3334.806515] [ 3334.806516] P4D 0 [ 3334.806939] RAX: 0000000000000000 RBX: 0000000000000fff RCX: 0000000000000000 [ 3334.807153] [ 3334.807331] RDX: 0000000000000b3d RSI: 0000000000016000 RDI: 0000000000000000 [ 3334.807703] Oops: 0000 [#3] PREEMPT SMP [ 3334.808689] RBP: ffffa7c44a0c7cc4 R08: 0000000000000b3d R09: ffff9f1d45f34000 [ 3334.808921] CPU: 2 PID: 12629 Comm: kworker/u8:16 Tainted: G D 5.14.0-rc7-default+ #1561 [ 3334.809492] R10: ffff9f1d7de00000 R11: 0000000000000000 R12: ffff9f1d5a812000 [ 3334.809831] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a-rebuilt.opensuse.org 04/01/2014 [ 3334.810388] R13: 0000000000000000 R14: ffffa7c44a0c7cc4 R15: 0000000000000000 [ 3334.811138] Workqueue: btrfs-delalloc btrfs_work_helper [btrfs] [ 3334.812090] FS: 0000000000000000(0000) GS:ffff9f1d7d800000(0000) knlGS:0000000000000000 [ 3334.814225] [ 3334.814227] RIP: 0010:copy_compressed_data_to_page+0x1f7/0x2b0 [btrfs] [ 3334.815124] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3334.817404] CR2: 0000000000000000 CR3: 0000000026af4005 CR4: 0000000000170ea0 [ 3334.817643] RSP: 0018:ffffa7c4462a7c20 EFLAGS: 00010293 [ 3334.823627] RAX: 0000000000000000 RBX: 0000000000000fff RCX: 0000000000000000 [ 3334.824686] RDX: 0000000000000b20 RSI: 0000000000013000 RDI: 0000000000000000 [ 3334.825690] RBP: ffffa7c4462a7cc4 R08: 0000000000000b20 R09: ffff9f1d0e25c000 [ 3334.826514] R10: ffff9f1d7de00000 R11: 0000000000000000 R12: ffff9f1d16c9a000 [ 3334.827798] R13: 0000000000000000 R14: ffffa7c4462a7cc4 R15: 0000000000000000 [ 3334.829022] FS: 0000000000000000(0000) GS:ffff9f1d7da00000(0000) knlGS:0000000000000000 [ 3334.831687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3334.832449] CR2: 0000000000000000 CR3: 0000000076a0f002 CR4: 0000000000170ea0 [ 3334.833424] Call Trace: [ 3334.833856] lzo_compress_pages+0x182/0x320 [btrfs] [ 3334.834594] btrfs_compress_pages+0xbc/0x130 [btrfs] [ 3334.835428] compress_file_range+0x3ae/0x820 [btrfs] [ 3334.836500] ? rcu_read_lock_sched_held+0x12/0x70 [ 3334.837485] ? submit_compressed_extents+0xc0/0xc0 [btrfs] [ 3334.838699] async_cow_start+0x12/0x30 [btrfs] [ 3334.839737] btrfs_work_helper+0xd6/0x1d0 [btrfs] [ 3334.840694] process_one_work+0x262/0x5e0 [ 3334.841483] ? process_one_work+0x5e0/0x5e0 [ 3334.842355] worker_thread+0x55/0x3c0 [ 3334.843458] ? process_one_work+0x5e0/0x5e0 [ 3334.844679] kthread+0x144/0x170 [ 3334.848139] ? set_kthread_struct+0x40/0x40 [ 3334.849036] ret_from_fork+0x1f/0x30 [ 3334.849753] Modules linked in: dm_flakey dm_mod btrfs blake2b_generic libcrc32c crc32c_intel xor zstd_decompress zstd_compress xxhash lzo_compress lzo_decompress raid6_pq loop [ 3334.853981] CR2: 0000000000000000 [ 3334.854724] ---[ end trace f1f62e4293ace347 ]--- [ 3334.855728] RIP: 0010:copy_compressed_data_to_page+0x1f7/0x2b0 [btrfs] [ 3334.861741] RSP: 0018:ffffa7c44a0c7c20 EFLAGS: 00010293 [ 3334.862726] RAX: 0000000000000000 RBX: 0000000000000fff RCX: 0000000000000000 [ 3334.863989] RDX: 0000000000000b3d RSI: 0000000000016000 RDI: 0000000000000000 [ 3334.865758] RBP: ffffa7c44a0c7cc4 R08: 0000000000000b3d R09: ffff9f1d45f34000 [ 3334.867185] R10: ffff9f1d7de00000 R11: 0000000000000000 R12: ffff9f1d5a812000 [ 3334.868428] R13: 0000000000000000 R14: ffffa7c44a0c7cc4 R15: 0000000000000000 [ 3334.869858] FS: 0000000000000000(0000) GS:ffff9f1d7da00000(0000) knlGS:0000000000000000 [ 3334.871360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3334.872497] CR2: 0000000000000000 CR3: 0000000076a0f002 CR4: 0000000000170ea0 [ 3334.873307] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 3334.874422] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 12629, name: kworker/u8:16 [ 3334.875559] INFO: lockdep is turned off. [ 3334.876390] irq event stamp: 0 [ 3334.876962] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 3334.877656] hardirqs last disabled at (0): [] copy_process+0x514/0x17e0 [ 3334.878434] softirqs last enabled at (0): [] copy_process+0x514/0x17e0 [ 3334.879105] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 3334.879748] CPU: 2 PID: 12629 Comm: kworker/u8:16 Tainted: G D 5.14.0-rc7-default+ #1561 [ 3334.882202] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a-rebuilt.opensuse.org 04/01/2014 [ 3334.884399] Workqueue: btrfs-delalloc btrfs_work_helper [btrfs] [ 3334.885295] Call Trace: [ 3334.885608] ? wake_up_klogd+0x29/0x90 [ 3334.886045] dump_stack_lvl+0x45/0x59 [ 3334.886405] ___might_sleep.cold+0x107/0x132 [ 3334.887080] exit_signals+0x1d/0x360 [ 3334.887534] do_exit+0xa2/0x4a0 [ 3334.888203] rewind_stack_do_exit+0x17/0x17 [ 3334.889005] RIP: 0000:0x0 [ 3334.889588] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 3334.890916] RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 [ 3334.892556] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 3334.893452] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 3334.894030] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 3334.894607] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 3334.895181] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 3334.940770] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 3334.942068] #PF: supervisor read access in kernel mode [ 3334.942907] #PF: error_code(0x0000) - not-present page [ 3334.943832] PGD 0 P4D 0 [ 3334.944322] Oops: 0000 [#4] PREEMPT SMP [ 3334.944956] CPU: 3 PID: 12136 Comm: kworker/u8:13 Tainted: G D W 5.14.0-rc7-default+ #1561 [ 3334.946320] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a-rebuilt.opensuse.org 04/01/2014 [ 3334.949150] Workqueue: btrfs-delalloc btrfs_work_helper [btrfs] [ 3334.950820] RIP: 0010:copy_compressed_data_to_page+0x1f7/0x2b0 [btrfs] [ 3334.956308] RSP: 0018:ffffa7c4456bfc20 EFLAGS: 00010293 [ 3334.957453] RAX: 0000000000000000 RBX: 0000000000000fff RCX: 0000000000000000 [ 3334.958890] RDX: 0000000000000b56 RSI: 0000000000007000 RDI: 0000000000000000 [ 3334.960140] RBP: ffffa7c4456bfcc4 R08: 0000000000000b56 R09: ffff9f1d09658000 [ 3334.961348] R10: ffff9f1d7de00000 R11: 0000000000000000 R12: ffff9f1d248aa000 [ 3334.963742] R13: 0000000000000000 R14: ffffa7c4456bfcc4 R15: 0000000000000000 [ 3334.969393] FS: 0000000000000000(0000) GS:ffff9f1d7dc00000(0000) knlGS:0000000000000000 [ 3334.971288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3334.973754] CR2: 0000000000000000 CR3: 00000000117ee006 CR4: 0000000000170ea0 [ 3334.975493] Call Trace: [ 3334.976151] lzo_compress_pages+0x182/0x320 [btrfs] [ 3334.977397] btrfs_compress_pages+0xbc/0x130 [btrfs] [ 3334.978906] compress_file_range+0x3ae/0x820 [btrfs] [ 3334.980271] ? rcu_read_lock_sched_held+0x12/0x70 [ 3334.981391] ? submit_compressed_extents+0xc0/0xc0 [btrfs] [ 3334.982740] async_cow_start+0x12/0x30 [btrfs] [ 3334.983962] btrfs_work_helper+0xd6/0x1d0 [btrfs] [ 3334.986359] process_one_work+0x262/0x5e0 [ 3334.987320] worker_thread+0x55/0x3c0 [ 3334.988282] ? process_one_work+0x5e0/0x5e0 [ 3334.989283] kthread+0x144/0x170 [ 3334.990107] ? set_kthread_struct+0x40/0x40 [ 3334.991160] ret_from_fork+0x1f/0x30 [ 3334.992044] Modules linked in: dm_flakey dm_mod btrfs blake2b_generic libcrc32c crc32c_intel xor zstd_decompress zstd_compress xxhash lzo_compress lzo_decompress raid6_pq loop [ 3334.995615] CR2: 0000000000000000 [ 3334.996498] ---[ end trace f1f62e4293ace348 ]--- [ 3334.997623] RIP: 0010:copy_compressed_data_to_page+0x1f7/0x2b0 [btrfs] [ 3335.003578] RSP: 0018:ffffa7c44a0c7c20 EFLAGS: 00010293 [ 3335.004802] RAX: 0000000000000000 RBX: 0000000000000fff RCX: 0000000000000000 [ 3335.006422] RDX: 0000000000000b3d RSI: 0000000000016000 RDI: 0000000000000000 [ 3335.008009] RBP: ffffa7c44a0c7cc4 R08: 0000000000000b3d R09: ffff9f1d45f34000 [ 3335.009396] R10: ffff9f1d7de00000 R11: 0000000000000000 R12: ffff9f1d5a812000 [ 3335.010622] R13: 0000000000000000 R14: ffffa7c44a0c7cc4 R15: 0000000000000000 [ 3335.011865] FS: 0000000000000000(0000) GS:ffff9f1d7dc00000(0000) knlGS:0000000000000000 [ 3335.013416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3335.014513] CR2: 0000000000000000 CR3: 00000000117ee006 CR4: 0000000000170ea0