INFO: task syz-executor:10574 blocked for more than 143 seconds.
Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:26112 pid:10574 tgid:10574 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6675
__schedule_loop kernel/sched/core.c:6752 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6767
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
add_one_compat_dev+0x112/0x720 drivers/infiniband/core/device.c:949
rdma_dev_init_net+0x2b2/0x530 drivers/infiniband/core/device.c:1191
ops_init+0x1df/0x5f0 net/core/net_namespace.c:139
setup_net+0x21f/0x860 net/core/net_namespace.c:356
copy_net_ns+0x2b4/0x6b0 net/core/net_namespace.c:494
create_new_namespaces+0x3ea/0xad0 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0xc0/0x1f0 kernel/nsproxy.c:228
ksys_unshare+0x419/0x970 kernel/fork.c:3315
__do_sys_unshare kernel/fork.c:3386 [inline]
__se_sys_unshare kernel/fork.c:3384 [inline]
__x64_sys_unshare+0x31/0x40 kernel/fork.c:3384
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f948957f7f7
RSP: 002b:00007ffdeced28e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f9489735f40 RCX: 00007f948957f7f7
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f9489736a38 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000000c
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8e1b8340 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e1b8340 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e1b8340 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6720
3 locks held by kworker/u8:3/52:
#0: ffff88802dd34948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1: ffffc90000bd7d80 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4736
6 locks held by kworker/u8:5/82:
#0: ffff88801beeb148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1: ffffc900020dfd80 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffffffff8fecb1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbb/0xb40 net/core/net_namespace.c:580
#3: ffff888078e200e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
#3: ffff888078e200e8 (&dev->mutex){....}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline]
#3: ffff888078e200e8 (&dev->mutex){....}-{3:3}, at: devlink_pernet_pre_exit+0x12d/0x2b0 net/devlink/core.c:506
#4: ffff888012a01250 (&devlink->lock_key#12){+.+.}-{3:3}, at: devl_lock net/devlink/core.c:276 [inline]
#4: ffff888012a01250 (&devlink->lock_key#12){+.+.}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline]
#4: ffff888012a01250 (&devlink->lock_key#12){+.+.}-{3:3}, at: devlink_pernet_pre_exit+0x137/0x2b0 net/devlink/core.c:506
#5: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: nsim_destroy+0x6f/0x6b0 drivers/net/netdevsim/netdev.c:773
2 locks held by getty/4980:
#0: ffff888031eba0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211
5 locks held by kworker/u9:7/5239:
#0: ffff88807c216148 ((wq_completion)hci5){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1: ffffc9000419fd80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffff88805b164d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x170/0x410 net/bluetooth/hci_sync.c:327
#3: ffff88805b164078 (&hdev->lock){+.+.}-{3:3}, at: hci_abort_conn_sync+0x150/0xb50 net/bluetooth/hci_sync.c:5567
#4: ffffffff90148da8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1957 [inline]
#4: ffffffff90148da8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_failed+0x158/0x340 net/bluetooth/hci_conn.c:1262
3 locks held by kworker/0:4/5274:
#0: ffff88801b080948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1: ffffc90004457d80 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104
8 locks held by kworker/1:5/5298:
3 locks held by kworker/1:6/5304:
3 locks held by kworker/u8:14/8474:
#0: ffff88801b089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1: ffffc900090c7d80 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0x51/0xc0 net/core/link_watch.c:276
3 locks held by syz.2.1415/10557:
1 lock held by syz.3.1416/10561:
#0: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: netdev_wait_allrefs_any net/core/dev.c:10682 [inline]
#0: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: netdev_run_todo+0xe87/0x12d0 net/core/dev.c:10793
2 locks held by syz-executor/10568:
#0: ffffffff8fecb1d0 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x292/0x6b0 net/core/net_namespace.c:490
#1: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x218/0x790 net/ipv4/ip_tunnel.c:1159
2 locks held by syz-executor/10571:
#0: ffffffff8fecb1d0 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x292/0x6b0 net/core/net_namespace.c:490
#1: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x218/0x790 net/ipv4/ip_tunnel.c:1159
4 locks held by syz-executor/10574:
#0: ffffffff8fecb1d0 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x292/0x6b0 net/core/net_namespace.c:490
#1: ffffffff8fb1b710 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x234/0x530 drivers/infiniband/core/device.c:1185
#2: ffffffff8fb1b490 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2a7/0x530 drivers/infiniband/core/device.c:1190
#3: ffff88804424cf38 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0x112/0x720 drivers/infiniband/core/device.c:949
2 locks held by syz-executor/10578:
#0: ffffffff8fecb1d0 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x292/0x6b0 net/core/net_namespace.c:490
#1: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: wg_netns_pre_exit+0x1b/0x230 drivers/net/wireguard/device.c:414
5 locks held by syz-executor/10581:
#0: ffffffff8fecb1d0 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x292/0x6b0 net/core/net_namespace.c:490
#1: ffffffff8fb1b710 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x234/0x530 drivers/infiniband/core/device.c:1185
#2: ffffffff8fb1b490 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2a7/0x530 drivers/infiniband/core/device.c:1190
#3: ffff88804424cf38 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0x112/0x720 drivers/infiniband/core/device.c:949
#4: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: ib_get_eth_speed+0x118/0xb50 drivers/infiniband/core/verbs.c:1995
4 locks held by syz-executor/10596:
#0: ffffffff8fecb1d0 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x292/0x6b0 net/core/net_namespace.c:490
#1: ffffffff8fb1b710 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x234/0x530 drivers/infiniband/core/device.c:1185
#2: ffffffff8fb1b490 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2a7/0x530 drivers/infiniband/core/device.c:1190
#3: ffff88804424cf38 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0x112/0x720 drivers/infiniband/core/device.c:949
4 locks held by syz-executor/10600:
#0: ffffffff8fecb1d0 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x292/0x6b0 net/core/net_namespace.c:490
#1: ffffffff8fb1b710 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x234/0x530 drivers/infiniband/core/device.c:1185
#2: ffffffff8fb1b490 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2a7/0x530 drivers/infiniband/core/device.c:1190
#3: ffff88804424cf38 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0x112/0x720 drivers/infiniband/core/device.c:949
2 locks held by syz-executor/10603:
#0: ffffffff8fecb1d0 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x292/0x6b0 net/core/net_namespace.c:490
#1: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x1b/0x70 net/ipv4/nexthop.c:3885
4 locks held by kworker/u9:3/10604:
#0: ffff888051e34948 ((wq_completion)hci11#2){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1: ffffc90008eefd80 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffff888084d44078 (&hdev->lock){+.+.}-{3:3}, at: le_conn_complete_evt+0xd2/0x1d80 net/bluetooth/hci_event.c:5620
#3: ffffffff90148da8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1957 [inline]
#3: ffffffff90148da8 (hci_cb_list_lock){+.+.}-{3:3}, at: le_conn_complete_evt+0x15f8/0x1d80 net/bluetooth/hci_event.c:5761
4 locks held by syz-executor/10608:
#0: ffffffff8fecb1d0 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x292/0x6b0 net/core/net_namespace.c:490
#1: ffffffff8fb1b710 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x234/0x530 drivers/infiniband/core/device.c:1185
#2: ffffffff8fb1b490 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2a7/0x530 drivers/infiniband/core/device.c:1190
#3: ffff88804424cf38 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0x112/0x720 drivers/infiniband/core/device.c:949
5 locks held by kworker/u9:4/10610:
#0: ffff888062263948 ((wq_completion)hci8){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1: ffffc900046c7d80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffff88806a448d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x170/0x410 net/bluetooth/hci_sync.c:327
#3: ffff88806a448078 (&hdev->lock){+.+.}-{3:3}, at: hci_abort_conn_sync+0x150/0xb50 net/bluetooth/hci_sync.c:5567
#4: ffffffff90148da8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1957 [inline]
#4: ffffffff90148da8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_failed+0x158/0x340 net/bluetooth/hci_conn.c:1262
2 locks held by syz-executor/10612:
#0: ffffffff8fecb1d0 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x292/0x6b0 net/core/net_namespace.c:490
#1: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x1b/0x70 net/ipv4/nexthop.c:3885
1 lock held by syz-executor/10623:
#0: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6643
1 lock held by syz-executor/10627:
#0: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6643
1 lock held by syz-executor/10629:
#0: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6643
1 lock held by syz-executor/10631:
#0: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6643
1 lock held by syz-executor/10633:
#0: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fee0b68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6643
4 locks held by kworker/u9:6/10635:
#0: ffff88802f846948 ((wq_completion)hci7){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1: ffffc90004427d80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffff88806c10cd80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x170/0x410 net/bluetooth/hci_sync.c:327
#3: ffff88806c10c078 (&hdev->lock){+.+.}-{3:3}, at: hci_abort_conn_sync+0x150/0xb50 net/bluetooth/hci_sync.c:5567
5 locks held by kworker/u9:8/10636:
#0: ffff88804296e948 ((wq_completion)hci6){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1: ffffc90004407d80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffff88802e21cd80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x170/0x410 net/bluetooth/hci_sync.c:327
#3: ffff88802e21c078 (&hdev->lock){+.+.}-{3:3}, at: hci_abort_conn_sync+0x150/0xb50 net/bluetooth/hci_sync.c:5567
#4: ffffffff90148da8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1957 [inline]
#4: ffffffff90148da8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_failed+0x158/0x340 net/bluetooth/hci_conn.c:1262
5 locks held by kworker/u9:9/10637:
#0: ffff88807ec9b148 ((wq_completion)hci9){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1: ffffc900043d7d80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffff888036f60d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x170/0x410 net/bluetooth/hci_sync.c:327
#3: ffff888036f60078 (&hdev->lock){+.+.}-{3:3}, at: hci_abort_conn_sync+0x150/0xb50 net/bluetooth/hci_sync.c:5567
#4: ffffffff90148da8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1957 [inline]
#4: ffffffff90148da8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_failed+0x158/0x340 net/bluetooth/hci_conn.c:1262
1 lock held by dhcpcd/10641:
#0: ffff8880796aee08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#0: ffff8880796aee08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x270 net/socket.c:657
1 lock held by dhcpcd/10642:
#0: ffff8880796ac408 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#0: ffff8880796ac408 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x270 net/socket.c:657
1 lock held by dhcpcd/10643:
#0: ffff8880796aca08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#0: ffff8880796aca08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x270 net/socket.c:657
1 lock held by dhcpcd/10644:
#0: ffff8880796aac08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#0: ffff8880796aac08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x270 net/socket.c:657
1 lock held by dhcpcd/10645:
#0: ffff8880796ae208 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#0: ffff8880796ae208 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x270 net/socket.c:657
1 lock held by dhcpcd/10646:
#0: ffff88802388ee08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#0: ffff88802388ee08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x270 net/socket.c:657
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xf0c/0x1240 kernel/hung_task.c:379
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:check_region_inline mm/kasan/generic.c:171 [inline]
RIP: 0010:kasan_check_range+0x4/0x1a0 mm/kasan/generic.c:189
Code: 89 43 08 5b 5d 41 5c c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 <48> 85 f6 0f 84 50 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55
RSP: 0018:ffffc900001e7a88 EFLAGS: 00000046
RAX: 0000000000000003 RBX: 00000000000000df RCX: ffffffff816a7278
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff96e24c58
RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff2dc498b
R10: ffffffff96e24c5f R11: 0000000000000002 R12: 0000000000000000
R13: ffff88801d6f8ae0 R14: 00000000000000df R15: ffff88801d6f8000
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020032000 CR3: 000000000df7c000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
__lock_acquire+0xe58/0x3ce0 kernel/locking/lockdep.c:5172
lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5825
rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
rcu_do_batch kernel/rcu/tree.c:2561 [inline]
rcu_core+0x755/0x14d0 kernel/rcu/tree.c:2823
handle_softirqs+0x213/0x8f0 kernel/softirq.c:554
run_ksoftirqd kernel/softirq.c:927 [inline]
run_ksoftirqd+0x3a/0x60 kernel/softirq.c:919
smpboot_thread_fn+0x661/0xa30 kernel/smpboot.c:164
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244