On Thu, Oct 08, 2020 at 12:16:51AM +0200, Samuel Thibault wrote: > I might have found the trigger for the exec hang at boot. The symptoms > were that very early during the program loading by ld.so, it would > overflow its stack with 0x40, apparently because there were odd things > happening with the GOT. One odd thing was that ld.so was getting loaded > at 0x0. That's because it is a PIE. Issues that might come up are that > pointer 0x0 could then actually be a should-be-valid pointer... I > modified gnumach to load PIE binaries at 0x8000000, like our exec server > does, and couldn't reproduce the exec hang at boot. This is now in > debian as gnumach version 2:1.8+git20201007-1.
Very nice. -- Richard Braun
