In the Linux kernel, the following vulnerability has been resolved:s390/stacktrace: Use break instead of return statementarch_stack_walk_user_common() contains a return statement instead of abreak statement in case store_ip() fails while trying to store a callchainentry of a user space process.This may lead to a missing pagefault_enable() call.If this happens any subsequent page fault of the process won't be resolvedby the page fault handler and this in turn will lead to the process beingkilled.Use a break instead of a return statement to fix this.
