linux-kernel - [iomap] 2fa482b890: WARNING:at_fs/iomap/buffered-io.c:#iomap_page

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Message-ID: <20200728091746.GI23458@shao2-debian>
Date:   Tue, 28 Jul 2020 17:17:46 +0800
From:   kernel test robot <rong.a.chen@...el.com>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     Christoph Hellwig <hch@...radead.org>,
        "Darrick J. Wong" <darrick.wong@...cle.com>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Brian Foster <bfoster@...hat.com>,
        linux-kernel@...r.kernel.org, 0day robot <lkp@...el.com>,
        lkp@...ts.01.org
Subject: [iomap] 2fa482b890:
 WARNING:at_fs/iomap/buffered-io.c:#iomap_page_release

Greeting,

FYI, we noticed the following commit (built with gcc-9):

commit: 2fa482b890bea511f691f90c61b35c822fe179f0 ("[PATCH] iomap: Ensure iop->uptodate matches PageUptodate")
url: https://github.com/0day-ci/linux/commits/Matthew-Wilcox-Oracle/iomap-Ensure-iop-uptodate-matches-PageUptodate/20200726-171340
base: https://git.kernel.org/cgit/fs/xfs/xfs-linux.git for-next

in testcase: xfstests
with following parameters:

	disk: 4HDD
	fs: xfs
	test: generic-group05

test-description: xfstests is a regression test suite for xfs and other files ystems.
test-url: git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git


on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):


+-------------------------------------------------------+------------+------------+
|                                                       | 9f347d7a7e | 2fa482b890 |
+-------------------------------------------------------+------------+------------+
| boot_successes                                        | 6          | 4          |
| boot_failures                                         | 0          | 16         |
| WARNING:at_fs/iomap/buffered-io.c:#iomap_page_release | 0          | 16         |
| RIP:iomap_page_release                                | 0          | 16         |
+-------------------------------------------------------+------------+------------+


If you fix the issue, kindly add following tag
Reported-by: kernel test robot <rong.a.chen@...el.com>


[   64.812624] WARNING: CPU: 0 PID: 31096 at fs/iomap/buffered-io.c:78 iomap_page_release+0xb9/0xd0
[   64.814332] Modules linked in: xfs libcrc32c dm_mod sr_mod cdrom bochs_drm sg ata_generic drm_vram_helper drm_ttm_helper intel_rapl_msr intel_rapl_common ttm crct10dif_pclmul drm_kms_helper crc32_pclmul crc32c_intel syscopyarea ipmi_devintf sysfillrect ipmi_msghandler ghash_clmulni_intel sysimgblt fb_sys_fops ata_piix ppdev drm joydev serio_raw libata parport_pc i2c_piix4 parport ip_tables
[   64.826546] CPU: 0 PID: 31096 Comm: umount Not tainted 5.8.0-rc4-00117-g2fa482b890bea #1
[   64.828357] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[   64.831332] RIP: 0010:iomap_page_release+0xb9/0xd0
[   64.832790] Code: e0 07 83 f8 04 75 a4 48 8b 47 08 8b 80 d0 00 00 00 83 e8 01 83 f8 01 77 92 e8 03 f0 eb ff eb 91 e8 6c ef eb ff eb 8a 5b 5d c3 <0f> 0b eb c0 0f 0b eb 92 0f 0b eb 87 66 66 2e 0f 1f 84 00 00 00 00
[   64.838790] RSP: 0018:ffffaceacbbd3bc8 EFLAGS: 00010202
[   64.840355] RAX: 0000000000000001 RBX: fffff6d70f6d6740 RCX: fffff6d70f4c0607
[   64.842930] RDX: 0000000000000000 RSI: 0000000000000000 RDI: fffff6d70f6d6740
[   64.845282] RBP: ffff891aac234a00 R08: ffffaceacbbd3c18 R09: ffff8917c7770538
[   64.846996] R10: 0000000000000000 R11: 0000000000000000 R12: ffffaceacbbd3d10
[   64.849610] R13: ffffaceacbbd3c90 R14: ffffaceacbbd3c18 R15: 0000000000000001
[   64.851311] FS:  00007fa0d735d080(0000) GS:ffff891affc00000(0000) knlGS:0000000000000000
[   64.854247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.855849] CR2: 00007fa0d77e1580 CR3: 00000003ec9d2000 CR4: 00000000000406f0
[   64.858557] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   64.860273] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   64.863865] Call Trace:
[   64.866122]  truncate_cleanup_page+0x42/0xc0
[   64.867574]  truncate_inode_pages_range+0x232/0x850
[   64.869704]  ? update_load_avg+0x78/0x650
[   64.871102]  ? lock_timer_base+0x61/0x80
[   64.873003]  ? add_timer+0x111/0x210
[   64.874342]  ? __inode_wait_for_writeback+0x7e/0xf0
[   64.876536]  ? var_wake_function+0x20/0x20
[   64.877922]  evict+0x19a/0x1b0
[   64.879643]  dispose_list+0x48/0x70
[   64.881495]  evict_inodes+0x180/0x1e0
[   64.882816]  generic_shutdown_super+0x37/0x110
[   64.884811]  kill_block_super+0x21/0x50
[   64.886145]  deactivate_locked_super+0x36/0x70
[   64.888176]  cleanup_mnt+0x104/0x160
[   64.889481]  task_work_run+0x69/0xb0
[   64.891283]  __prepare_exit_to_usermode+0x176/0x180
[   64.892706]  do_syscall_64+0x53/0x80
[   64.894503]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   64.895908] RIP: 0033:0x7fa0d7783507
[   64.897687] Code: Bad RIP value.
[   64.899318] RSP: 002b:00007ffff7067128 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   64.900933] RAX: 0000000000000000 RBX: 000055ceba305970 RCX: 00007fa0d7783507
[   64.903469] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 000055ceba30a900
[   64.905085] RBP: 0000000000000000 R08: 000055ceba30e010 R09: 0000000000000000
[   64.907664] R10: 000055ceba305010 R11: 0000000000000246 R12: 000055ceba30a900
[   64.909972] R13: 00007fa0d78a91c4 R14: 000055ceba305a68 R15: 000055ceba305b80
[   64.911506] ---[ end trace d46e79ddc80b2332 ]---


To reproduce:

        # build kernel
	cd linux
	cp config-5.8.0-rc4-00117-g2fa482b890bea .config
	make HOSTCC=gcc-9 CC=gcc-9 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage modules
	make HOSTCC=gcc-9 CC=gcc-9 ARCH=x86_64 INSTALL_MOD_PATH=<mod-install-dir> modules_install
	cd <mod-install-dir>
	find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz


        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp qemu -k <bzImage> -m modules.cgz job-script # job-script is attached in this email



Thanks,
Rong Chen


View attachment "config-5.8.0-rc4-00117-g2fa482b890bea" of type "text/plain" (158415 bytes)

View attachment "job-script" of type "text/plain" (5721 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (21988 bytes)

View attachment "xfstests" of type "text/plain" (2315 bytes)