loop4: detected capacity change from 0 to 512
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 10792 Comm: syz.4.1242 Tainted: G   M         L      syzkaller #0 PREEMPT 
Tainted: [M]=MACHINE_CHECK, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
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_nested+0x50/0x6c kernel/locking/spinlock.c:382
 raw_spin_rq_lock_nested+0x2c/0x44 kernel/sched/core.c:667
 raw_spin_rq_lock kernel/sched/sched.h:1653 [inline]
 rq_lock kernel/sched/sched.h:1991 [inline]
 ttwu_queue kernel/sched/core.c:4075 [inline]
 try_to_wake_up+0x4ac/0xdc4 kernel/sched/core.c:4415
 wake_up_process+0x18/0x24 kernel/sched/core.c:4547
 kick_pool+0x3d8/0x584 kernel/workqueue.c:1313
 __queue_work+0xde0/0x1440 kernel/workqueue.c:2402
 queue_work_on+0xc0/0x130 kernel/workqueue.c:2452
 queue_work include/linux/workqueue.h:699 [inline]
 schedule_work include/linux/workqueue.h:760 [inline]
 rt6_probe net/ipv6/route.c:708 [inline]
 find_match+0x8f4/0xacc net/ipv6/route.c:797
 __find_rr_leaf+0x1d8/0x634 net/ipv6/route.c:872
 find_rr_leaf net/ipv6/route.c:893 [inline]
 rt6_select net/ipv6/route.c:937 [inline]
 fib6_table_lookup+0x3a4/0x8e8 net/ipv6/route.c:2255
 ip6_pol_route+0x210/0xf50 net/ipv6/route.c:2292
 ip6_pol_route_output+0x60/0x94 net/ipv6/route.c:2677
 pol_lookup_func include/net/ip6_fib.h:667 [inline]
 fib6_rule_lookup+0x280/0x474 net/ipv6/fib6_rules.c:128
 ip6_route_output_flags_noref net/ipv6/route.c:2710 [inline]
 ip6_route_output_flags+0x300/0x58c net/ipv6/route.c:2722
 ip6_route_output include/net/ip6_route.h:100 [inline]
 ip6_dst_lookup_tail+0x12c/0x13d8 net/ipv6/ip6_output.c:1158
 ip6_dst_lookup_flow+0x94/0x148 net/ipv6/ip6_output.c:1291
 sctp_v6_get_dst+0x5c8/0x1894 net/sctp/ipv6.c:329
 sctp_transport_route+0xf0/0x25c net/sctp/transport.c:448
 sctp_assoc_add_peer+0x420/0xf74 net/sctp/associola.c:666
 sctp_connect_new_asoc+0x2b4/0x5ec net/sctp/socket.c:1100
 sctp_sendmsg_new_asoc net/sctp/socket.c:1692 [inline]
 sctp_sendmsg+0xdd8/0x17bc net/sctp/socket.c:2012
 inet_sendmsg+0xb4/0xd8 net/ipv4/af_inet.c:865
 sock_sendmsg_nosec net/socket.c:775 [inline]
 __sock_sendmsg+0xc8/0x17c net/socket.c:790
 __sys_sendto+0x250/0x328 net/socket.c:2252
 __do_sys_sendto net/socket.c:2259 [inline]
 __se_sys_sendto net/socket.c:2255 [inline]
 __arm64_sys_sendto+0xec/0x10c net/socket.c:2255
 __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:738
 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:757
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:590