From: Linke Li <lilinke99@xxxxxxxxx> Fix undefined behavior in the code by properly handling the left shift operaion. Instead of left-shifting a negative value, explicitly cast -1 to an unsigned int before the shift. This ensures well defined behavior and resolves any potential issues. Signed-off-by: Linke Li <lilinke99@xxxxxxxxx> --- fs/isofs/util.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/isofs/util.c b/fs/isofs/util.c index e88dba721661..4c902901401a 100644 --- a/fs/isofs/util.c +++ b/fs/isofs/util.c @@ -37,7 +37,7 @@ int iso_date(u8 *p, int flag) /* sign extend */ if (tz & 0x80) - tz |= (-1 << 8); + tz |= ((unsigned int)-1 << 8); /* * The timezone offset is unreliable on some disks, -- 2.25.1
