In the Linux kernel, the following vulnerability has been resolved: dm snapshot: fix lockup in dm_exception_table_exit There was reported lockup when we exit a snapshot with many exceptions. Fix this by adding "cond_resched" to the loop that frees the exceptions.
https://git.kernel.org/stable/c/fa5c055800a7fd49a36bbb52593aca4ea986a366
https://git.kernel.org/stable/c/e7d4cff57c3c43fdd72342c78d4138f509c7416e
https://git.kernel.org/stable/c/e50f83061ac250f90710757a3e51b70a200835e2
https://git.kernel.org/stable/c/9759ff196e7d248bcf8386a7451d6ff8537a7d9c
https://git.kernel.org/stable/c/6e7132ed3c07bd8a6ce3db4bb307ef2852b322dc
https://git.kernel.org/stable/c/5f4ad4d0b0943296287313db60b3f84df4aad683
https://git.kernel.org/stable/c/3d47eb405781cc5127deca9a14e24b27696087a1
https://git.kernel.org/stable/c/116562e804ffc9dc600adab6326dde31d72262c7