page_fault while low on memory results in stack overflow with btrfs filesystem

Issue

• page_fault while low on memory results in stack overflow with btrfs filesystem
• System crashed with below messages:

[   42.432578] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[   42.433307] BUG: unable to handle kernel paging request at ffff88028b78bfd8
[   42.433918] IP: [] 0xffff88028b78bfd7
[   42.434650] PGD 1f9f067 PUD 1fa2067 PMD 28b7be063 PTE 800000028b78b163
[   42.435249] Thread overran stack, or stack corrupted
[   42.435659] Oops: 0011 [#1] SMP 

• Server crashed while running container with memory limit and btrfs as backend filesystem.