Kernel Panic at kernel BUG at fs/namei.c:2536

Issue

• System crashed with following panic message:

[1023709.753167] kernel BUG at fs/namei.c:2536!
[1023709.753169] invalid opcode: 0000 [#1] SMP 
:
:
[1023709.753284]  0100000000000037 000000005a5f5f6e 0000000000000000 0000000000000000
[1023709.753286] Call Trace:
[1023709.753290]  [<ffffffff812112ca>] vfs_rename+0xaa/0x8c0
[1023709.753293]  [<ffffffff8120bd32>] ? __lookup_hash+0x42/0x60
[1023709.753309]  [<ffffffffc0338c98>] nfsd_rename+0x3b8/0x440 [nfsd]
[1023709.753321]  [<ffffffffc034159a>] nfsd3_proc_rename+0xca/0x180 [nfsd]
[1023709.753332]  [<ffffffffc0332593>] nfsd_dispatch+0xd3/0x280 [nfsd]
[1023709.753358]  [<ffffffffc02ee453>] svc_process_common+0x453/0x6f0 [sunrpc]
[1023709.753374]  [<ffffffffc02ee7f3>] svc_process+0x103/0x190 [sunrpc]
[1023709.753381]  [<ffffffffc0331eff>] nfsd+0xdf/0x150 [nfsd]
[1023709.753389]  [<ffffffffc0331e20>] ? nfsd_destroy+0x80/0x80 [nfsd]
[1023709.753391]  [<ffffffff810b098f>] kthread+0xcf/0xe0
[1023709.753393]  [<ffffffff810b08c0>] ? insert_kthread_work+0x40/0x40
[1023709.753397]  [<ffffffff816b4f18>] ret_from_fork+0x58/0x90
[1023709.753399]  [<ffffffff810b08c0>] ? insert_kthread_work+0x40/0x40
[1023709.753400] Code: ff e9 7b ff ff ff 0f 1f 00 48 39 5b 18 75 b7 b8 f0 ff ff ff e9 68 ff ff ff 0f 1f 84 00 00 00 00 00 b8 fe ff ff ff e9 56 ff ff ff <0f> 0b 0f 0b 66 90 0f 1f 44 00 00 55 65 48 8b 04 25 00 ce 00 00 
[1023709.753424] RIP  [<ffffffff8120cf7a>] may_delete+0x16a/0x170
[1023709.753426]  RSP <ffff88bbc4703c88>

• System crashed with following panic message on RHEL6

kernel BUG at fs/namei.c:1859!