Helge wrote: > Hi Rolf, > > On 02.07.19 17:59, Helge Deller wrote: > >>> This seems to be a minimal reproducer: > >>> https://481768.bugs.gentoo.org/attachment.cgi?id=361728 > > > > That's a REALLY nasty bug! > > I think I finally fixed the issues for 32- and 64-bit kernels. > > Can you please test the three patches in my ptrace-bugfix3 git tree? > https://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git/log/ > ?h=ptrace-bugfix3 I applied them on top of 5.2.0 and tested it on my C8000, it survived the whole gdb 8.1.2 testsuite. The results are horrible, but the machine is still up and running, just a couple of these: [ 4481.730278] INEQUIVALENT ALIASES 0x41000000 and 0x42e81000 in file kill- detach-inferiors-cmd [ 8944.224759] INEQUIVALENT ALIASES 0x41ed2000 and 0x4171c000 in file multi- attach So feel free to add my Tested-by. Eike
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