Re: [DNG] Nasty Linux systemd security bug revealed

2021-07-25 Thread Steve Litt
g4sra via Dng said on Sun, 25 Jul 2021 10:26:46 + >And this is why ever sice I entered the profession I have maintained >that programmers should be vetted and certified in a similar manner to >other professions such as doctors and lawyers, carrying a similar >social status. Only those with

Re: [DNG] Nasty Linux systemd security bug revealed

2021-07-25 Thread g4sra via Dng
On Sunday, July 25th, 2021 at 6:53 PM, Simon Hobson wrote: > Andreas Messer a...@bastelmap.de wrote: > > > Once we had a crash in > > simple limit switch device. As a result the high-rack robot pushed a > > pallet in 15m height out of the rack. Fortunately, it was just another > > robot which

Re: [DNG] Nasty Linux systemd security bug revealed

2021-07-25 Thread Simon Hobson
Andreas Messer wrote: > Once we had a crash in > simple limit switch device. As a result the high-rack robot pushed a > pallet in 15m height out of the rack. Fortunately, it was just another > robot which was destroyed (stood just below) - not a human being. Still > a very expensive case for

Re: [DNG] Nasty Linux systemd security bug revealed

2021-07-25 Thread g4sra via Dng
<--snip--> > Why I'm so critical about letting it crash: I typically deal with stack > sizes of no more around 2-8kB in automation devices and have to be careful > with that. You can't simply let a newspaper printing machine's motor control > crash, 1000's of newspaper pages would be trashed. Once

Re: [DNG] Nasty Linux systemd security bug revealed

2021-07-25 Thread Andreas Messer
On Sat, Jul 24, 2021 at 05:35:10PM +0200, Didier Kryn wrote: >     However the manual of alloca() states that "There is no error > indication if the stack  frame  cannot  be  extended." If the same would > happen with automatic variables, I would expect a crash; otherwise it > would be a serious