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GCC 4.3.0 exposes a kernel bugGCC 4.3.0 exposes a kernel bugPosted Mar 7, 2008 22:19 UTC (Fri) by JoeBuck (subscriber, #2330)In reply to: GCC 4.3.0 exposes a kernel bug by shahms Parent article: GCC 4.3.0 exposes a kernel bug We were arguing about this on the gcc list, and it was unclear to me whether the DF flag could actually leak from one process to another (indicating a true security bug, however minor). If a context switch occurs, wouldn't the kernel restore all of process 2's registers before entering the signal handler? Can a kernel expert confirm or deny this? (At least, for currently deployed kernels)?
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