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| /openbmc/linux/fs/ext4/ |
| H A D | xattr.c | 0de5983d Wed Jun 21 20:19:16 CDT 2017 Tahsin Erdogan <tahsin@google.com> ext4: lock inode before calling ext4_orphan_add()
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>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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