EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
infiniband syz1: set active
infiniband syz1: added bond0
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 PID: 7198 Comm: syz.2.324 Not tainted 6.1.147-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/18/2025
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1b40/0x6544 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x644 kernel/locking/lockdep.c:5662
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x6c/0xb4 kernel/locking/spinlock.c:162
 try_to_wake_up+0x60/0xc74 kernel/sched/core.c:4111
 default_wake_function+0x4c/0x60 kernel/sched/core.c:6885
 ep_autoremove_wake_function+0x4c/0x120 fs/eventpoll.c:1802
 __wake_up_common+0x224/0x3b0 kernel/sched/wait.c:107
 __wake_up_common_lock kernel/sched/wait.c:138 [inline]
 __wake_up_sync_key kernel/sched/wait.c:208 [inline]
 __wake_up_sync+0x104/0x16c kernel/sched/wait.c:240
 ep_poll_callback+0x4ec/0x93c fs/eventpoll.c:1241
 __wake_up_common+0x224/0x3b0 kernel/sched/wait.c:107
 __wake_up_common_lock kernel/sched/wait.c:138 [inline]
 __wake_up_sync_key+0x10c/0x178 kernel/sched/wait.c:208
 sock_def_readable+0x150/0x278 net/core/sock.c:3308
 __netlink_sendskb net/netlink/af_netlink.c:1264 [inline]
 netlink_broadcast_deliver net/netlink/af_netlink.c:1399 [inline]
 do_one_broadcast net/netlink/af_netlink.c:1479 [inline]
 netlink_broadcast+0xb2c/0x108c net/netlink/af_netlink.c:1519
 uevent_net_broadcast_untagged lib/kobject_uevent.c:331 [inline]
 kobject_uevent_net_broadcast+0x32c/0x52c lib/kobject_uevent.c:409
 kobject_uevent_env+0x52c/0x868 lib/kobject_uevent.c:608
 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:657
 device_add+0xa28/0xf94 drivers/base/core.c:3678
 cdev_device_add+0x168/0x2f8 fs/char_dev.c:549
 ib_umad_init_port drivers/infiniband/core/user_mad.c:1320 [inline]
 ib_umad_add_one+0x5f8/0xc08 drivers/infiniband/core/user_mad.c:1401
 add_client_context+0x40c/0x74c drivers/infiniband/core/device.c:730
 enable_device_and_get+0x17c/0x398 drivers/infiniband/core/device.c:1341
 ib_register_device+0xda0/0xfd0 drivers/infiniband/core/device.c:1429
 rxe_register_device+0x20c/0x33c drivers/infiniband/sw/rxe/rxe_verbs.c:1101
 rxe_add+0x90c/0xe00 drivers/infiniband/sw/rxe/rxe.c:175
 rxe_net_add+0x7c/0xf0 drivers/infiniband/sw/rxe/rxe_net.c:522
 rxe_newlink+0x70/0xfc drivers/infiniband/sw/rxe/rxe.c:197
 nldev_newlink+0x3f0/0x4b4 drivers/infiniband/core/nldev.c:1719
 rdma_nl_rcv_msg drivers/infiniband/core/netlink.c:-1 [inline]
 rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]
 rdma_nl_rcv+0x558/0x7ec drivers/infiniband/core/netlink.c:259
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x60c/0x824 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x6e8/0x9b0 net/netlink/af_netlink.c:1872
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 ____sys_sendmsg+0x5b8/0x918 net/socket.c:2519
 ___sys_sendmsg net/socket.c:2573 [inline]
 __sys_sendmsg+0x25c/0x320 net/socket.c:2602
 __do_sys_sendmsg net/socket.c:2611 [inline]
 __se_sys_sendmsg net/socket.c:2609 [inline]
 __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
RDS/IB: syz1: added
smc: adding ib device syz1 with port count 1
smc:    ib device syz1 port 1 has pnetid