BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 10913 Comm: syz.8.931 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_irqsave include/linux/spinlock_api_smp.h:132 [inline]
 _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:166
 __mutex_lock_common kernel/locking/mutex.c:660 [inline]
 __mutex_lock+0x298/0xed0 kernel/locking/mutex.c:820
 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:873
 __unix_dgram_recvmsg+0x18c/0x85c net/unix/af_unix.c:2584
 unix_dgram_recvmsg+0xcc/0xe4 net/unix/af_unix.c:2686
 sock_recvmsg_nosec+0x94/0xec net/socket.c:1137
 ____sys_recvmsg+0x4fc/0x608 net/socket.c:2916
 ___sys_recvmsg+0x16c/0x1f4 net/socket.c:2960
 do_recvmmsg+0x294/0x7e8 net/socket.c:3055
 __sys_recvmmsg+0x1e0/0x270 net/socket.c:3129
 __do_sys_recvmmsg net/socket.c:3152 [inline]
 __se_sys_recvmmsg net/socket.c:3145 [inline]
 __arm64_sys_recvmmsg+0xdc/0x104 net/socket.c:3145
 __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