Linus,
Please pull the latest timers/urgent Git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers-urgent-2024-05-10
# HEAD: d7ad05c86e2191bd66e5b62fca8da53c4a53484f timers/migration: Prevent out of bounds access on failure
Fix possible (but unlikely) out-of-bounds access in
the timer migration per-CPU-init code.
Thanks,
Ingo
------------------>
Levi Yun (1):
timers/migration: Prevent out of bounds access on failure
kernel/time/timer_migration.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/time/timer_migration.c b/kernel/time/timer_migration.c
index ccba875d2234..84413114db5c 100644
--- a/kernel/time/timer_migration.c
+++ b/kernel/time/timer_migration.c
@@ -1596,7 +1596,7 @@ static int tmigr_setup_groups(unsigned int cpu, unsigned int node)
} while (i < tmigr_hierarchy_levels);
- do {
+ while (i > 0) {
group = stack[--i];
if (err < 0) {
@@ -1645,7 +1645,7 @@ static int tmigr_setup_groups(unsigned int cpu, unsigned int node)
tmigr_connect_child_parent(child, group);
}
}
- } while (i > 0);
+ }
kfree(stack);