Commits
Max Filippov committed e0baa01438d
xtensa: use __memset in __xtensa_clear_user memset on xtensa is capable of accessing user memory, but KASAN checks if memset function is actually used for that and reports it as an error: ================================================================== BUG: KASAN: user-memory-access in padzero+0x4d/0x58 Write of size 519 at addr 0049ddf9 by task init/1 Call Trace: [<b0189978>] kasan_report+0x160/0x238 [<b0188818>] check_memory_region+0xf8/0x100 [<b018891c>] memset+0x20/0x34 [<b0238b71>] padzero+0x4d/0x58 ================================================================== Use __memset in __xtensa_clear_user to avoid that. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>