From: Ye Liu 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. Signed-off-by: Ye Liu --- tools/mm/page-types.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/mm/page-types.c b/tools/mm/page-types.c index 6594245217a8..66f429f2b698 100644 --- a/tools/mm/page-types.c +++ b/tools/mm/page-types.c @@ -1000,7 +1000,7 @@ static void walk_file_range(const char *name, int fd, 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; -- 2.43.0