BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 0 UID: 0 PID: 10836 Comm: syz.8.1419 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 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 add_chain_cache kernel/locking/lockdep.c:-1 [inline] lookup_chain_cache_add kernel/locking/lockdep.c:3855 [inline] validate_chain kernel/locking/lockdep.c:3876 [inline] __lock_acquire+0xfdc/0x2ebc kernel/locking/lockdep.c:5237 lock_acquire+0x140/0x364 kernel/locking/lockdep.c:5868 __raw_spin_lock include/linux/spinlock_api_smp.h:158 [inline] _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:158 spin_lock include/linux/spinlock.h:342 [inline] preload_this_cpu_lock+0x13c/0x1c8 mm/vmalloc.c:1904 alloc_vmap_area+0x364/0x13e8 mm/vmalloc.c:2072 __get_vm_area_node+0x210/0x32c mm/vmalloc.c:3226 __vmalloc_node_range_noprof+0x2c8/0x105c mm/vmalloc.c:4042 __vmalloc_node_noprof+0xec/0x14c mm/vmalloc.c:4143 __vmalloc_noprof+0x64/0x8c mm/vmalloc.c:4159 bpf_prog_alloc_no_stats+0x60/0x488 kernel/bpf/core.c:106 bpf_prog_alloc+0x48/0x110 kernel/bpf/core.c:155 bpf_prog_create+0x90/0x1c8 net/core/filter.c:1390 cls_bpf_prog_from_ops+0x16c/0x2d0 net/sched/cls_bpf.c:362 cls_bpf_change+0x5e0/0x9dc net/sched/cls_bpf.c:494 tc_new_tfilter+0xd74/0x132c net/sched/cls_api.c:2430 rtnetlink_rcv_msg+0x66c/0x9bc net/core/rtnetlink.c:7076 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:7103 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x600/0x7f8 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x648/0x948 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:775 [inline] __sock_sendmsg+0xc8/0x17c net/socket.c:790 ____sys_sendmsg+0x3d0/0x6c8 net/socket.c:2684 ___sys_sendmsg+0x198/0x224 net/socket.c:2738 __sys_sendmsg+0x158/0x204 net/socket.c:2770 __do_sys_sendmsg net/socket.c:2775 [inline] __se_sys_sendmsg net/socket.c:2773 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2773 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594