Multiple soft lockups observed on dput and dentry_kill functions for processes performing open/access/write/close functions.

Issue

• Multiple soft lockups observed on dput and dentry_kill functions for processes performing open/access/write/close functions.

Call Trace:
[<ffffffff8121859f>] dentry_kill+0x3f/0x1b0
[<ffffffff8121876e>] dput+0x5e/0xd0
[<ffffffff8120c501>] terminate_walk+0x41/0x50
[<ffffffff8120ed42>] path_lookupat+0x1e2/0x7b0
[<ffffffff8120b3e7>] ? path_get+0x27/0x30
[<ffffffff8120f33b>] filename_lookup+0x2b/0xc0
[<ffffffff81212e47>] user_path_at_empty+0x67/0xc0
[<ffffffff811de581>] ? __slab_free+0x81/0x2f0
[<ffffffff81212eb1>] user_path_at+0x11/0x20
[<ffffffff81206463>] vfs_fstatat+0x63/0xc0
[<ffffffff812069ce>] SYSC_newstat+0x2e/0x60
[<ffffffff81206cae>] SyS_newstat+0xe/0x10
[<ffffffff816b4fc9>] system_call_fastpath+0x16/0x1b