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Change History

In the Linux kernel, the following vulnerability has been resolved:

s390/stacktrace: Use break instead of return statement

arch_stack_walk_user_common() contains a return statement instead of a
break statement in case store_ip() fails while trying to store a callchain
entry 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 resolved
by the page fault handler and this in turn will lead to the process be

https://git.kernel.org/stable/c/20c26357826457dc7c8145297e60ddc012e18914

https://git.kernel.org/stable/c/588a9836a4ef7ec3bfcffda526dfa399637e6cfc