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(parent: 3c2a10c) | patch
x86/entry, ubsan, objtool: Whitelist __ubsan_handle_*()
authorPeter Zijlstra <peterz@infradead.org>
Wed, 3 Jun 2020 18:09:06 +0000 (20:09 +0200)
committerPeter Zijlstra <peterz@infradead.org>
Mon, 15 Jun 2020 12:10:09 +0000 (14:10 +0200)
commitef35d4befcb343d83fb895f3735c6381d4721150
tree6d273e16bc0f0d0e72f0036144882300c7986f98tree | snapshot
parent3c2a10c9166855060d6da6bb71349137c8b9d5efcommit | diff
x86/entry, ubsan, objtool: Whitelist __ubsan_handle_*()

The UBSAN instrumentation only inserts external CALLs when things go
'BAD', much like WARN(). So treat them similar to WARN()s for noinstr,
that is: allow them, at the risk of taking the machine down, to get
their message out.

Suggested-by: Marco Elver <elver@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Marco Elver <elver@google.com>
include/linux/compiler_types.h diff | blob | history
tools/objtool/check.c diff | blob | history
Linux Kernel Source Tree.