lkml.org 
[lkml]   [2020]   [Mar]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[tip: locking/core] objtool: whitelist __sanitizer_cov_trace_switch()
The following commit has been merged into the locking/core branch of tip:

Commit-ID: 36b1c7006736517f5a9d86eb6f8d5930a2aa64bf
Gitweb: https://git.kernel.org/tip/36b1c7006736517f5a9d86eb6f8d5930a2aa64bf
Author: Al Viro <viro@zeniv.linux.org.uk>
AuthorDate: Sun, 16 Feb 2020 13:07:49 -05:00
Committer: Al Viro <viro@zeniv.linux.org.uk>
CommitterDate: Fri, 27 Mar 2020 23:58:53 -04:00

objtool: whitelist __sanitizer_cov_trace_switch()

it's not really different from e.g. __sanitizer_cov_trace_cmp4();
as it is, the switches that generate an array of labels get
rejected by objtool, while slightly different set of cases
that gets compiled into a series of comparisons is accepted.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
tools/objtool/check.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 4768d91..3667c5d 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -478,6 +478,7 @@ static const char *uaccess_safe_builtin[] = {
"__sanitizer_cov_trace_cmp2",
"__sanitizer_cov_trace_cmp4",
"__sanitizer_cov_trace_cmp8",
+ "__sanitizer_cov_trace_switch",
/* UBSAN */
"ubsan_type_mismatch_common",
"__ubsan_handle_type_mismatch",
\
 
 \ /
  Last update: 2020-03-28 12:07    [W:2.830 / U:0.064 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site