[valgrind] [Bug 369360] Bad sigprocmask old or new sets can crash valgrind

[Mark Wielaard via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=369360

Mark Wielaard  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Status|UNCONFIRMED |RESOLVED

--- Comment #2 from Mark Wielaard  ---
valgrind svn r15992

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[valgrind] [Bug 369360] Bad sigprocmask old or new sets can crash valgrind

[Mark Wielaard via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=369360

--- Comment #1 from Mark Wielaard  ---
Created attachment 101288
  --> https://bugs.kde.org/attachment.cgi?id=101288=edit
Fix crash when old/new sigprocmask isn't safe to dereference

Since we want to use the set and oldset for bookkeeping we also want
to make sure they are addressable otherwise, like the kernel, we EFAULT.
Also use EINVAL instead of EMFILE as failure when sigset size is wrong.

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