BUG: MAX_LOCKDEP_KEYS too low! turning off the locking correctness validator. CPU: 0 UID: 0 PID: 7853 Comm: syz.4.2757 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 register_lock_class+0x2f0/0x31c kernel/locking/lockdep.c:1332 __lock_acquire+0xc0/0x2f44 kernel/locking/lockdep.c:5112 lock_acquire+0x140/0x368 kernel/locking/lockdep.c:5868 touch_wq_lockdep_map+0xb4/0x15c kernel/workqueue.c:4029 __flush_workqueue+0x110/0xd9c kernel/workqueue.c:4071 drain_workqueue+0xa4/0x310 kernel/workqueue.c:4235 destroy_workqueue+0xb0/0x6f0 kernel/workqueue.c:6053 __rds_conn_create+0x12c8/0x1878 net/rds/connection.c:354 rds_conn_create_outgoing+0x60/0x7c net/rds/connection.c:377 rds_sendmsg+0xd20/0x1bdc net/rds/send.c:1321 sock_sendmsg_nosec net/socket.c:787 [inline] __sock_sendmsg+0xc8/0x138 net/socket.c:802 ____sys_sendmsg+0x418/0x70c net/socket.c:2698 ___sys_sendmsg+0x198/0x224 net/socket.c:2752 __sys_sendmsg+0x160/0x214 net/socket.c:2784 __do_sys_sendmsg net/socket.c:2789 [inline] __se_sys_sendmsg net/socket.c:2787 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2787 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:740 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:759 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594