From: "Theodore Ts'o" <tytso@mit.edu>
To: Tahsin Erdogan <tahsin@google.com>
Cc: Andreas Dilger <adilger@dilger.ca>,
"Darrick J . Wong" <darrick.wong@oracle.com>,
Jan Kara <jack@suse.cz>,
linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 03/32] ext4: lock inode before calling ext4_orphan_add()
Date: Wed, 21 Jun 2017 21:20:50 -0400 [thread overview]
Message-ID: <20170622012050.j7zrfiflipc67dpk@thunk.org> (raw)
In-Reply-To: <20170621212142.16581-3-tahsin@google.com>
On Wed, Jun 21, 2017 at 02:21:13PM -0700, Tahsin Erdogan wrote:
> ext4_orphan_add() requires caller to be holding the inode lock.
> Add missing lock statements.
>
> WARNING: CPU: 3 PID: 1806 at fs/ext4/namei.c:2731 ext4_orphan_add+0x4e/0x240
> CPU: 3 PID: 1806 Comm: python Not tainted 4.12.0-rc1+ #746
> Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
> task: ffff880135d466c0 task.stack: ffffc900014b0000
> RIP: 0010:ext4_orphan_add+0x4e/0x240
> RSP: 0018:ffffc900014b3d50 EFLAGS: 00010246
> RAX: 0000000000000000 RBX: ffff8801348fe1f0 RCX: ffffc900014b3c64
> RDX: 0000000000000000 RSI: ffff8801348fe1f0 RDI: ffff8801348fe1f0
> RBP: ffffc900014b3da0 R08: 0000000000000000 R09: ffffffff80e82025
> R10: 0000000000004692 R11: 000000000000468d R12: ffff880137598000
> R13: ffff880137217000 R14: ffff880134ac58d0 R15: 0000000000000000
> FS: 00007fc50f09e740(0000) GS:ffff88013fd80000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 00000000008bc2e0 CR3: 00000001375ac000 CR4: 00000000000006e0
> Call Trace:
> ext4_xattr_inode_orphan_add.constprop.19+0x9d/0xf0
> ext4_xattr_delete_inode+0x1c4/0x2f0
> ext4_evict_inode+0x15a/0x7f0
> evict+0xc0/0x1a0
> iput+0x16a/0x270
> do_unlinkat+0x172/0x290
> SyS_unlink+0x11/0x20
> entry_SYSCALL_64_fastpath+0x18/0xad
>
> Signed-off-by: Tahsin Erdogan <tahsin@google.com>
Thanks, added to the ext4 patch queue.
- Ted
next prev parent reply other threads:[~2017-06-22 1:21 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-21 21:21 [PATCH 01/32] ext4: xattr-in-inode support Tahsin Erdogan
2017-06-21 21:21 ` [PATCH 02/32] ext4: fix lockdep warning about recursive inode locking Tahsin Erdogan
2017-06-22 1:18 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 03/32] ext4: lock inode before calling ext4_orphan_add() Tahsin Erdogan
2017-06-22 1:20 ` Theodore Ts'o [this message]
2017-06-21 21:21 ` [PATCH 04/32] ext4: do not set posix acls on xattr inodes Tahsin Erdogan
2017-06-22 1:23 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 05/32] ext4: attach jinode after creation of xattr inode Tahsin Erdogan
2017-06-22 1:26 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 06/32] ext4: ea_inode owner should be the same as the inode owner Tahsin Erdogan
2017-06-22 1:28 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 07/32] ext4: call journal revoke when freeing ea_inode blocks Tahsin Erdogan
2017-06-22 1:38 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 08/32] ext4: fix ref counting for ea_inode Tahsin Erdogan
2017-06-22 1:40 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 09/32] ext4: extended attribute value size limit is enforced by vfs Tahsin Erdogan
2017-06-22 1:42 ` Theodore Ts'o
2017-06-22 18:02 ` Darrick J. Wong
2017-06-22 19:40 ` Andreas Dilger
2017-06-22 22:27 ` Theodore Ts'o
2017-06-22 23:21 ` Darrick J. Wong
2017-06-21 21:21 ` [PATCH 10/32] ext4: change ext4_xattr_inode_iget() signature Tahsin Erdogan
2017-06-22 1:55 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 11/32] ext4: clean up ext4_xattr_inode_get() Tahsin Erdogan
2017-06-22 1:58 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 12/32] ext4: add missing le32_to_cpu(e_value_inum) conversions Tahsin Erdogan
2017-06-22 2:00 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 13/32] ext4: ext4_xattr_value_same() should return false for external data Tahsin Erdogan
2017-06-22 2:04 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 14/32] ext4: fix ext4_xattr_make_inode_space() value size calculation Tahsin Erdogan
2017-06-22 2:09 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 15/32] ext4: fix ext4_xattr_move_to_block() Tahsin Erdogan
2017-06-22 2:13 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 16/32] ext4: fix ext4_xattr_cmp() Tahsin Erdogan
2017-06-22 2:15 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 17/32] ext4: fix credits calculation for xattr inode Tahsin Erdogan
2017-06-22 2:19 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 18/32] ext4: retry storing value in external inode with xattr block too Tahsin Erdogan
2017-06-22 2:22 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 19/32] ext4: ext4_xattr_delete_inode() should return accurate errors Tahsin Erdogan
2017-06-22 2:27 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 20/32] ext4: improve journal credit handling in set xattr paths Tahsin Erdogan
2017-06-22 2:30 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 21/32] ext4: modify ext4_xattr_ino_array to hold struct inode * Tahsin Erdogan
2017-06-22 14:28 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 22/32] ext4: move struct ext4_xattr_inode_array to xattr.h Tahsin Erdogan
2017-06-22 14:29 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 23/32] mbcache: make mbcache naming more generic Tahsin Erdogan
2017-06-22 14:37 ` Theodore Ts'o
2017-06-21 21:21 ` [PATCH 24/32] ext2, ext4: make mb block cache names more explicit Tahsin Erdogan
2017-06-21 21:21 ` [PATCH 25/32] ext4: add ext4_is_quota_file() Tahsin Erdogan
2017-06-21 21:21 ` [PATCH 26/32] ext4: cleanup transaction restarts during inode deletion Tahsin Erdogan
2017-06-21 21:21 ` [PATCH 27/32] ext4: xattr inode deduplication Tahsin Erdogan
2017-06-21 21:21 ` [PATCH 28/32] quota: add get_inode_usage callback to transfer multi-inode charges Tahsin Erdogan
2017-06-21 21:21 ` [PATCH 29/32] ext4: reserve space for xattr entries/names Tahsin Erdogan
2017-06-21 21:21 ` [PATCH 30/32] ext4: eliminate xattr entry e_hash recalculation for removes Tahsin Erdogan
2017-06-21 21:21 ` [PATCH 31/32] ext4: strong binding of xattr inode references Tahsin Erdogan
2017-06-21 21:21 ` [PATCH 32/32] ext4: add nombcache mount option Tahsin Erdogan
2017-06-22 1:16 ` [PATCH 01/32] ext4: xattr-in-inode support Theodore Ts'o
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