From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,sj@kernel.org,david@kernel.org,liuye@kylinos.cn,akpm@linux-foundation.org
Subject: [merged mm-stable] tools-mm-page-types-fix-ternary-operator-precedence-in-sigbus-handler.patch removed from -mm tree
Date: Tue, 02 Jun 2026 15:24:10 -0700 [thread overview]
Message-ID: <20260602222411.21EEE1F00893@smtp.kernel.org> (raw)
The quilt patch titled
Subject: tools/mm/page-types: fix ternary operator precedence in sigbus handler
has been removed from the -mm tree. Its filename was
tools-mm-page-types-fix-ternary-operator-precedence-in-sigbus-handler.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Ye Liu <liuye@kylinos.cn>
Subject: tools/mm/page-types: fix ternary operator precedence in sigbus handler
Date: Wed, 13 May 2026 10:21:17 +0800
The ternary operator (?:) has lower precedence than addition (+), so the
expression `off + sigbus_addr ? sigbus_addr - ptr : 0` was parsed as
`(off + sigbus_addr) ? (sigbus_addr - ptr) : 0` rather than the intended
`off + (sigbus_addr ? sigbus_addr - ptr : 0)`. Add explicit parentheses
to ensure the correct evaluation order.
Link: https://lore.kernel.org/20260513022120.58033-3-ye.liu@linux.dev
Signed-off-by: Ye Liu <liuye@kylinos.cn>
Acked-by: SeongJae Park <sj@kernel.org>
Cc: David Hildenbrand (Arm) <david@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
tools/mm/page-types.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/tools/mm/page-types.c~tools-mm-page-types-fix-ternary-operator-precedence-in-sigbus-handler
+++ a/tools/mm/page-types.c
@@ -1000,7 +1000,7 @@ static void walk_file_range(const char *
fatal("madvise failed: %s", name);
if (sigsetjmp(sigbus_jmp, 1)) {
- end = off + sigbus_addr ? sigbus_addr - ptr : 0;
+ end = off + (sigbus_addr ? sigbus_addr - ptr : 0);
fprintf(stderr, "got sigbus at offset %lld: %s\n",
(long long)end, name);
goto got_sigbus;
_
Patches currently in -mm which might be from liuye@kylinos.cn are
reply other threads:[~2026-06-02 22:24 UTC|newest]
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