Issue

• Kernel crashes during a rsync into a filesystem that is exported via NFS.
• Kernel panics with following messages:

[  275.853422] ------------[ cut here ]------------
[  275.853599] kernel BUG at fs/attr.c:243!
[  275.853746] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC
[  275.854117] Modules linked in: ext4 mbcache jbd2 loop rpcsec_gss_krb5 syscopyarea sysfillrect sysimgblt ttm ata_generic drm_kms_helper pata_acpi drm serio_raw ata_piix pcspkr i2c_piix4 floppy virtio_balloon virtio_blk virtio_console libata i2c_core nfsd ip_tables
[  275.856346] CPU: 3 PID: 4969 Comm: chown Not tainted 3.10.0-vanilla #3
[  275.856540] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  275.856717] task: ffff88005f7e0300 ti: ffff880071038000 task.ti: ffff880071038000
[  275.856928] RIP: 0010:[<ffffffff8120ca2a>]  [<ffffffff8120ca2a>] notify_change+0x35a/0x3d0
[  275.857223] RSP: 0018:ffff88007103be40  EFLAGS: 00010202
[  275.857390] RAX: 0000000057520639 RBX: ffff880093984ef8 RCX: 0000000007de2900
[  275.858073] RDX: 0000000007de2900 RSI: 0000000000000001 RDI: ffff8800b0a45800
[  275.858754] RBP: ffff88007103be78 R08: 0000000057520639 R09: 0000000000000000
[  275.859430] R10: 0000000000000000 R11: ffff88005f7e0c00 R12: 0000000000008479
[  275.860111] R13: ffff880076507a00 R14: 0000000000001847 R15: ffff88007103be98
[  275.860792] FS:  00007fe7da01e740(0000) GS:ffff8800bc6c0000(0000) knlGS:0000000000000000
[  275.861977] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[  275.862627] CR2: 00007fe7d9b2f4f0 CR3: 0000000085d48000 CR4: 00000000000006e0
[  275.863311] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  275.864003] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[  275.864691] Stack:
[  275.865273]  ffff880076507a00 ffff88007103be90 ffff880076507ad8 0000000000000000
[  275.866709]  ffff88007103bf40 ffff88005f7e0300 00000000000041b0 ffff88007103bf18
[  275.868138]  ffffffff811ec06e 00007d945f7e0300 0000000000000000 0000807900001847
[  275.869541] Call Trace:
[  275.870143]  [<ffffffff811ec06e>] chown_common.isra.12+0xee/0x190
[  275.870804]  [<ffffffff811ecf3e>] SyS_fchownat+0xce/0x120
[  275.871453]  [<ffffffff817115c9>] system_call_fastpath+0x16/0x1b
[  275.872114] Code: 1f fe ff ff 0f 1f 44 00 00 83 ca 01 41 89 17 41 89 d6 41 0f b7 45 00 e9 46 fe ff ff 0f 1f 44 00 00 b8 ff ff ff ff e9 f8 fd ff ff <0f> 0b 0f 1f 40 00 4c 89 fe 48 89 df e8 a5 a2 00 00 e9 09 ff ff 
[  275.878231] RIP  [<ffffffff8120ca2a>] notify_change+0x35a/0x3d0
[  275.878959]  RSP <ffff88007103be40>