From: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Date: Thu, 23 Sep 2010 00:12:19 +0100 > OK... sparc32 question: just what the !@#!@# happens if sun4c_rett_stackchk > find (%fp & 7) != 0? We go to ret_trap_user_stack_is_bolixed, which > tries to page in the underlying page. OK, suppose it's already there and > readable; we return without doing anything - and go to signal_p. Which finds > itself with nothing to do, and %fp is *still* buggered. Spin ad infinitum? > srmmu_rett_stackchk will do the same, BTW... That's a bug. Likely all of the window_*_fault() routines should force a SIGILL when the stack is mis-aligned. -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
