Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH 2.6.21-rc1] x86 signal number delivery fixes | Date | Sun, 25 Feb 2007 23:39:48 +0100 |
| |
On Sunday 25 February 2007 12:47, Mikael Pettersson wrote: > The invokation of signal handlers on x86 has several bugs > in its treatment of the signal number parameter: > > - the i386 kernel passes the raw not the translated signal number > in EAX to non-SA_SIGINFO handlers compiled with -mregparm=3; > the value passed on the stack is correct, and SA_SIGINFO handlers > are also invoked correctly > - the x86-64 kernel's ia32 emulation for SA_SIGINFO handlers also > passes the wrong (untranslated) signal number in EAX; the value > on the stack is correct > - the x86-64 kernel's ia32 emulation for non-SA_SIGINFO handlers > passes the wrong (untranslated) signal number both on the stack > and in EAX
Nobody should be using that signal translation code anymore. Certainly nothing in tree. Perhaps it would be better to just rip it out.
If you have a user you should submit it.
-Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |