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xtensa: use generic strncpy_from_user with KASAN
authorMax Filippov <jcmvbkbc@gmail.com>
Sun, 17 Dec 2017 22:43:15 +0000 (14:43 -0800)
committerMax Filippov <jcmvbkbc@gmail.com>
Sun, 17 Dec 2017 23:34:57 +0000 (15:34 -0800)
commit57358ba9564a0520f870dc14a0f91e7dacc18236
tree616be15e6bbe43bbf7539a359b3485b070f62920
parente0baa01438d3fa3979f94f98be19ca3df88e0b7c
xtensa: use generic strncpy_from_user with KASAN

This enables KASAN check of the destination buffer.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
arch/xtensa/Kconfig
arch/xtensa/include/asm/uaccess.h
arch/xtensa/kernel/xtensa_ksyms.c