[PATCH 4.4 051/114] bpf: generally move prog destruction to RCU deferral

4.4-stable review patch. If anyone has any objections, please let me know. -- [ Upstream commit 1aacde3d22c42281236155c1ef6d7a5aa32a826b ] Jann Horn reported following analysis that could potentially result in a very hard to trigger (if not impossible) UAF race, to quote his

[PATCH 4.4 051/114] bpf: generally move prog destruction to RCU deferral

4.4-stable review patch. If anyone has any objections, please let me know. -- [ Upstream commit 1aacde3d22c42281236155c1ef6d7a5aa32a826b ] Jann Horn reported following analysis that could potentially result in a very hard to trigger (if not impossible) UAF race, to quote his