[PATCH 4.8 90/96] sg_write()/bsg_write() is not fit to be called under KERNEL_DS

4.8-stable review patch. If anyone has any objections, please let me know. -- From: Al Viro commit 128394eff343fc6d2f32172f03e24829539c5835 upstream. Both damn things interpret userland pointers embedded into the payload; worse, they are actually

[PATCH 4.8 90/96] sg_write()/bsg_write() is not fit to be called under KERNEL_DS

4.8-stable review patch. If anyone has any objections, please let me know. -- From: Al Viro commit 128394eff343fc6d2f32172f03e24829539c5835 upstream. Both damn things interpret userland pointers embedded into the payload; worse, they are actually traversing those. Leaving