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This patch adds an EX_TABLE entry to mvc{p|s|os} usercopy functions that may be called with KERNEL_DS. In combination with collaborative memory management, kernel pages marked as unused may trigger an adressing exception in the usercopy functions. This fixes an unhandled addressing exception bug where strncpy_from_user() is used with len > strnlen and KERNEL_DS, crossing a page boundary to an unused page. Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
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delay.c | ||
div64.c | ||
Makefile | ||
qrnnd.S | ||
spinlock.c | ||
string.c | ||
uaccess_mvcos.c | ||
uaccess_pt.c | ||
uaccess_std.c | ||
uaccess.h | ||
ucmpdi2.c |