From: Christoph Hellwig <hch@infradead.org>
To: Christian Brauner <brauner@kernel.org>
Cc: Jan Kara <jack@suse.cz>, Christoph Hellwig <hch@lst.de>,
Jens Axboe <axboe@kernel.dk>,
"Darrick J. Wong" <djwong@kernel.org>,
linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org
Subject: Re: [PATCH v2 01/34] bdev: open block device as files
Date: Tue, 12 Mar 2024 19:32:35 -0700 [thread overview]
Message-ID: <ZfEQQ9jZZVes0WCZ@infradead.org> (raw)
In-Reply-To: <20240123-vfs-bdev-file-v2-1-adbd023e19cc@kernel.org>
Now that this is in mainline it seems to cause blktests to crash
nbd/003 with a rather non-obvious oops for me:
nbd/003 (mount/unmount concurrently with NBD_CLEAR_SOCK)
runtime 8.139s ...
[ 802.941685] run blktests nbd/003 at 2024-03-12 14:51:20
[ 803.171958] nbd0: detected capacity change from 0 to 20971520
[ 803.183725] block nbd0: shutting down sockets
[ 803.184645] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0
[ 803.185156] EXT4-fs (nbd0): unable to read superblock
[ 803.186214] I/O error, dev nbd0, sector 20968432 op 0x0:(READ) flags
0x80700 phys_seg 1 prio clas0
[ 803.186770] I/O error, dev nbd0, sector 20968432 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 803.187026] Buffer I/O error on dev nbd0, logical block 10484216, async page read
[ 803.187335] I/O error, dev nbd0, sector 20968434 op 0x0:(READ) flags 0x0 phys_seg 3 prio class 0
[ 803.187593] Buffer I/O error on dev nbd0, logical block 10484217, async page read
[ 803.187809] Buffer I/O error on dev nbd0, logical block 10484218, async page read
[ 803.188027] Buffer I/O error on dev nbd0, logical block 10484219, async page read
[ 803.194147] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 803.194400] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 803.194634] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 803.194880] Buffer I/O error on dev nbd0, logical block 1, async page read
[ 803.195296] I/O error, dev nbd0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 803.195548] Buffer I/O error on dev nbd0, logical block 2, async page read
[ 803.195781] I/O error, dev nbd0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 803.196015] Buffer I/O error on dev nbd0, logical block 3, async page read
[ 803.196246] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 803.196743] ldm_validate_partition_table(): Disk read failed.
[ 803.197375] Dev nbd0: unable to read RDB block 0
[ 803.198007] nbd0: unable to read partition table
[ 803.198467] EXT4-fs (nbd0): unable to read superblock
[ 803.199444] ldm_validate_partition_table(): Disk read failed.
[ 803.200487] Dev nbd0: unable to read RDB block 0
[ 803.201046] nbd0: unable to read partition table
[ 803.207369] (udev-worker): attempt to access beyond end of device
[ 803.207369] nbd0: rw=0, sector=2, nr_sectors = 2 limit=0
[ 803.208100] (udev-worker): attempt to access beyond end of device
[ 803.208100] nbd0: rw=0, sector=4, nr_sectors = 2 limit=0
[ 803.208807] (udev-worker): attempt to access beyond end of device
[ 803.208807] nbd0: rw=0, sector=6, nr_sectors = 2 limit=0
[ 803.209197] ldm_validate_partition_table(): Disk read failed.
[ 803.209365] Dev nbd0: unable to read RDB block 0
[ 803.209506] nbd0: unable to read partition table
[ 803.209679] nbd0: partition table beyond EOD, truncated
[ 803.210132] mount_clear_soc: attempt to access beyond end of device
[ 803.210132] nbd0: rw=4096, sector=2, nr_sectors = 2 limit=0
[ 803.210896] EXT4-fs (nbd0): unable to read superblock
[ 803.212990] mount_clear_soc: attempt to access beyond end of device
[ 803.212990] nbd0: rw=4096, sector=2, nr_sectors = 2 limit=0
[ 803.213374] EXT4-fs (nbd0): unable to read superblock
[ 803.221502] mount_clear_soc: attempt to access beyond end of device
[ 803.221502] nbd0: rw=4096, sector=2, nr_sectors = 2 limit=0
[ 803.221868] EXT4-fs (nbd0): unable to read superblock
[ 803.223990] mount_clear_soc: attempt to access beyond end of device
[ 803.223990] nbd0: rw=4096, sector=2, nr_sectors = 2 limit=0
[ 803.224334] EXT4-fs (nbd0): unable to read superblock
[ 803.229317] mount_clear_soc: attempt to access beyond end of device
[ 803.229317] nbd0: rw=4096, sector=2, nr_sectors = 2 limit=0
[ 803.229665] EXT4-fs (nbd0): unable to read superblock
[ 803.231698] mount_clear_soc: attempt to access beyond end of device
[ 803.231698] nbd0: rw=4096, sector=2, nr_sectors = 2 limit=0
[ 803.232068] EXT4-fs (nbd0): unable to read superblock
[ 803.233702] mount_clear_soc: attempt to access beyond end of device
[ 803.233702] nbd0: rw=4096, sector=2, nr_sectors = 2 limit=0
[ 803.234049] EXT4-fs (nbd0): unable to read superblock
[ 803.235263] general protection fault, maybe for address 0x0: 0000 [#1] PREEMPT SMP NOPTI
[ 803.235505] CPU: 1 PID: 53579 Comm: mount_clear_soc Not tainted 6.8.0+ #2288
[ 803.235712] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/014
[ 803.235973] RIP: 0010:srso_alias_safe_ret+0x5/0x7
[ 803.236118] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc
[ 803.236637] RSP: 0018:ffffc900000d4ef8 EFLAGS: 00010202
[ 803.236789] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000001
[ 803.236991] RDX: 6b6b6b6b6b6b6b6b RSI: ffffffff833adc6a RDI: ffff888112581870
[ 803.237200] RBP: ffffffff8124ae64 R08: 00000000ffffffff R09: 00000000ffffffff
[ 803.237402] R10: 0000000000000002 R11: ffff8881130cb458 R12: ffff8881130caa40
[ 803.237605] R13: 0000000000000000 R14: 0000000000031688 R15: ffffffff8124adde
[ 803.237811] FS: 0000000000000000(0000) GS:ffff8881f9d00000(0000) knlGS:0000000000000000
[ 803.238038] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 803.238206] CR2: 00007f2bb5507740 CR3: 0000000110dd2000 CR4: 0000000000750ef0
[ 803.238412] PKRU: 55555554
[ 803.238496] Call Trace:
[ 803.238571] <IRQ>
[ 803.238634] ? die_addr+0x31/0x80
[ 803.238740] ? exc_general_protection+0x24a/0x480
[ 803.238886] ? asm_exc_general_protection+0x26/0x30
[ 803.239028] ? rcu_core+0x34e/0xae0
[ 803.239141] ? rcu_core+0x3d4/0xae0
[ 803.239255] ? srso_alias_safe_ret+0x5/0x7
[ 803.239379] ? srso_alias_return_thunk+0x5/0xfbef5
[ 803.239523] ? rcu_core+0x3d9/0xae0
[ 803.239636] ? __do_softirq+0xec/0x481
[ 803.239757] ? __irq_exit_rcu+0x89/0xe0
[ 803.239874] ? irq_exit_rcu+0x9/0x30
[ 803.239982] ? sysvec_apic_timer_interrupt+0xa1/0xd0
[ 803.240130] </IRQ>
[ 803.240197] <TASK>
[ 803.240265] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 803.240423] ? __memcg_slab_free_hook+0x11e/0x230
[ 803.240566] ? __memcg_slab_free_hook+0x68/0x230
[ 803.240705] ? unlink_anon_vmas+0x78/0x200
[ 803.240833] ? kmem_cache_free+0x2ca/0x310
[ 803.240960] ? unlink_anon_vmas+0x78/0x200
[ 803.241086] ? free_pgtables+0x141/0x260
[ 803.241218] ? exit_mmap+0x194/0x440
[ 803.241337] ? __mmput+0x3a/0x110
[ 803.241445] ? do_exit+0x2bf/0xb10
[ 803.241553] ? do_group_exit+0x31/0x90
[ 803.241669] ? __x64_sys_exit_group+0x13/0x20
[ 803.241801] ? do_syscall_64+0x75/0x150
[ 803.241921] ? entry_SYSCALL_64_after_hwframe+0x6c/0x74
next prev parent reply other threads:[~2024-03-13 2:32 UTC|newest]
Thread overview: 146+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-23 13:26 [PATCH v2 00/34] Open block devices as files Christian Brauner
2024-01-23 13:26 ` [PATCH v2 01/34] bdev: open block device " Christian Brauner
2024-01-29 16:02 ` Christoph Hellwig
2024-02-01 17:08 ` Christian Brauner
2024-02-02 6:43 ` Christoph Hellwig
2024-02-02 11:46 ` Christian Brauner
2024-02-09 11:39 ` Christian Brauner
2024-03-13 2:32 ` Christoph Hellwig [this message]
2024-03-14 11:10 ` Christian Brauner
2024-03-14 14:47 ` Christian Brauner
2024-03-14 16:45 ` Christian Brauner
2024-03-14 16:58 ` Jan Kara
2024-03-15 13:23 ` [PATCH] fs,block: get holder during claim Christian Brauner
2024-03-15 14:28 ` Jan Kara
2024-03-19 16:24 ` remove holder ops Christian Brauner
2024-03-19 17:03 ` Matthew Wilcox
2024-03-19 23:13 ` Christoph Hellwig
2024-03-17 20:53 ` [PATCH] fs,block: get holder during claim Christoph Hellwig
2024-03-18 8:33 ` Christian Brauner
2024-03-18 9:10 ` Yi Zhang
2024-01-23 13:26 ` [PATCH v2 02/34] block/ioctl: port blkdev_bszset() to file Christian Brauner
2024-01-29 16:14 ` Christoph Hellwig
2024-01-31 18:10 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 03/34] block/genhd: port disk_scan_partitions() " Christian Brauner
2024-01-29 16:14 ` Christoph Hellwig
2024-01-31 18:13 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 04/34] md: port block device access " Christian Brauner
2024-01-29 16:14 ` Christoph Hellwig
2024-01-31 18:15 ` Jan Kara
2024-04-15 9:26 ` Ming Lei
2024-04-15 12:35 ` Christian Brauner
2024-04-15 13:56 ` Mike Snitzer
2024-04-15 14:35 ` Ming Lei
2024-04-15 14:53 ` Christian Brauner
2024-04-15 15:11 ` Ming Lei
2024-04-15 15:53 ` Mike Snitzer
2024-04-15 16:22 ` Jan Kara
2024-04-16 0:27 ` Ming Lei
2024-01-23 13:26 ` [PATCH v2 05/34] swap: port block device usage " Christian Brauner
2024-01-29 16:15 ` Christoph Hellwig
2024-01-31 18:16 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 06/34] power: port block device access " Christian Brauner
2024-01-29 16:15 ` Christoph Hellwig
2024-01-31 18:17 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 07/34] xfs: port block device access to files Christian Brauner
2024-01-29 16:17 ` Christoph Hellwig
2024-02-01 14:33 ` Christian Brauner
2024-01-31 18:19 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 08/34] drbd: port block device access to file Christian Brauner
2024-01-31 18:22 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 09/34] pktcdvd: " Christian Brauner
2024-01-31 18:26 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 10/34] rnbd: " Christian Brauner
2024-01-31 18:28 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 11/34] xen: " Christian Brauner
2024-01-31 18:31 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 12/34] zram: " Christian Brauner
2024-01-31 18:32 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 13/34] bcache: port block device access to files Christian Brauner
2024-02-01 9:45 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 14/34] block2mtd: port " Christian Brauner
2024-02-01 9:47 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 15/34] nvme: port block device access to file Christian Brauner
2024-02-01 9:48 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 16/34] s390: " Christian Brauner
2024-02-01 10:11 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 17/34] target: " Christian Brauner
2024-02-01 10:12 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 18/34] bcachefs: " Christian Brauner
2024-02-01 10:13 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 19/34] btrfs: port " Christian Brauner
2024-02-01 10:16 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 20/34] erofs: " Christian Brauner
2024-02-01 10:16 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 21/34] ext4: port block " Christian Brauner
2024-02-01 10:18 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 22/34] f2fs: port block device access to files Christian Brauner
2024-02-01 10:19 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 23/34] jfs: port block device access to file Christian Brauner
2024-02-01 10:19 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 24/34] nfs: port block device access to files Christian Brauner
2024-02-01 10:22 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 25/34] ocfs2: port block device access to file Christian Brauner
2024-02-01 10:22 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 26/34] reiserfs: " Christian Brauner
2024-02-01 10:24 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 27/34] bdev: remove bdev_open_by_path() Christian Brauner
2024-01-29 16:17 ` Christoph Hellwig
2024-02-01 10:24 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 28/34] bdev: make bdev_release() private to block layer Christian Brauner
2024-01-29 16:19 ` Christoph Hellwig
2024-02-01 10:26 ` Jan Kara
2024-02-01 14:48 ` Christian Brauner
2024-01-23 13:26 ` [PATCH v2 29/34] bdev: make struct bdev_handle private to the " Christian Brauner
2024-01-29 16:22 ` Christoph Hellwig
2024-02-01 14:50 ` Christian Brauner
2024-02-01 10:54 ` Jan Kara
2024-02-01 15:07 ` Christian Brauner
2024-02-01 17:42 ` Jan Kara
2024-02-01 11:23 ` Jan Kara
2024-02-01 14:52 ` Christian Brauner
2024-01-23 13:26 ` [PATCH v2 30/34] bdev: remove bdev pointer from struct bdev_handle Christian Brauner
2024-01-29 16:22 ` Christoph Hellwig
2024-02-01 10:57 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 31/34] block: use file->f_op to indicate restricted writes Christian Brauner
2024-01-29 16:49 ` Christoph Hellwig
2024-01-29 17:09 ` [PATCH v2 31/34] block: use file->f_op to indicate restricted writes^[ Christian Brauner
2024-01-30 8:32 ` Christoph Hellwig
2024-01-30 9:11 ` Christian Brauner
2024-02-01 11:08 ` [PATCH v2 31/34] block: use file->f_op to indicate restricted writes Jan Kara
2024-02-01 16:16 ` Christian Brauner
2024-02-01 17:36 ` Jan Kara
2024-02-02 11:45 ` Christian Brauner
2024-02-02 11:51 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 32/34] block: remove bdev_handle completely Christian Brauner
2024-01-29 16:50 ` Christoph Hellwig
2024-02-01 11:20 ` Jan Kara
2024-02-01 16:18 ` Christian Brauner
2024-01-23 13:26 ` [PATCH v2 33/34] block: expose bdev_file_inode() Christian Brauner
2024-02-01 10:09 ` Jan Kara
2024-01-23 13:26 ` [PATCH v2 34/34] ext4: rely on sb->f_bdev only Christian Brauner
2024-02-01 11:34 ` Jan Kara
2024-02-01 13:40 ` Christian Brauner
2024-01-29 6:17 ` [PATCH v2 00/34] Open block devices as files Christoph Hellwig
2024-01-29 10:17 ` Christian Brauner
2024-01-29 10:56 ` [PATCH RFC 0/2] fs & block: remove bd_inode Christian Brauner
2024-01-29 10:56 ` [PATCH RFC 1/2] fs & block: remove bdev->bd_inode Christian Brauner
2024-02-20 11:57 ` Yu Kuai
2024-02-21 7:36 ` Christian Brauner
2024-01-29 10:56 ` [PATCH RFC 2/2] fs,drivers: remove bdev_inode() usage outside of block layer and drivers Christian Brauner
2024-01-29 14:37 ` Christoph Hellwig
2024-01-29 15:29 ` Christian Brauner
2024-01-29 15:36 ` Christoph Hellwig
2024-02-19 13:34 ` Yu Kuai
2024-02-19 13:42 ` Yu Kuai
2024-02-05 11:55 ` [PATCH v2 00/34] Open block devices as files Christian Brauner
2024-02-05 14:19 ` Jan Kara
2024-02-06 13:39 ` Christian Brauner
2024-02-06 13:58 ` Jan Kara
2024-02-06 16:10 ` Christian Brauner
2024-03-21 22:17 ` Matthew Wilcox
2024-03-22 3:38 ` Kent Overstreet
2024-03-22 13:56 ` Christian Brauner
2024-03-22 12:31 ` Christian Brauner
2024-03-22 12:40 ` Matthew Wilcox
2024-03-22 13:53 ` Christian Brauner
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