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GCC 4.3.0 Exposes a Kernel Bug

Posted by kdawson on from the my-flag-boy-told-your-flag-boy dept.

ohxten sends news from earlier this month that GCC 4.3.0's new behavior of not clearing the direction flag before a string operation on x86 systems poses problems with kernels — such as Linux and BSD — that do not clear the direction flag before a signal handler is called, despite the ABI specification.

2 of 256 comments (clear)

  1. WOW!! by EEPROMS · · Score: 0, Flamebait

    A error was found and patched, now remind me why this is news ?

  2. Re:[LWN subscriber-only content] by rsidd · · Score: 0, Flamebait

    Indeed, Slashdot is becoming a disgrace. They could have waited another day: the article becomes freely available on March 20.