INFO: task syz.8.3368:17546 blocked for more than 143 seconds.
Not tainted 6.13.0-rc2-syzkaller-00159-gf932fb9b4074 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.8.3368 state:D stack:24432 pid:17546 tgid:17544 ppid:10293 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_timeout+0xb0/0x290 kernel/time/sleep_timeout.c:75
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
__flush_work+0xa37/0xc50 kernel/workqueue.c:4231
xfrm6_tunnel_net_exit+0x32/0x100 net/ipv6/xfrm6_tunnel.c:337
ops_exit_list net/core/net_namespace.c:172 [inline]
setup_net+0x796/0x9e0 net/core/net_namespace.c:394
copy_net_ns+0x33f/0x570 net/core/net_namespace.c:516
create_new_namespaces+0x425/0x7b0 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0x124/0x180 kernel/nsproxy.c:228
ksys_unshare+0x57d/0xa70 kernel/fork.c:3334
__do_sys_unshare kernel/fork.c:3405 [inline]
__se_sys_unshare kernel/fork.c:3403 [inline]
__x64_sys_unshare+0x38/0x40 kernel/fork.c:3403
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f500b385d19
RSP: 002b:00007f500c13d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f500b575fa0 RCX: 00007f500b385d19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000068040200
RBP: 00007f500b401a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f500b575fa0 R15: 00007ffd67086708
</TASK>
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744
3 locks held by kworker/u8:5/81:
#0: ffff88801ac81148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801ac81148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc900015afd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc900015afd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
#2: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:281
4 locks held by kworker/0:2/94:
1 lock held by dhcpcd/5494:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_deladdr+0x1a1/0x7b0 net/ipv4/devinet.c:679
2 locks held by getty/5582:
#0: ffff88814d0780a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
4 locks held by kworker/u9:2/5829:
#0: ffff8880590ee148 ((wq_completion)hci1){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff8880590ee148 ((wq_completion)hci1){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc900036d7d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc900036d7d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
#2: ffff888068334d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:331
#3: ffff888068334078 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x1e4/0x11f0 net/bluetooth/hci_sync.c:5584
2 locks held by kworker/0:4/5885:
3 locks held by kworker/0:7/5888:
3 locks held by kworker/u8:11/6549:
3 locks held by kworker/u8:12/6621:
#0: ffff88814d28c148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88814d28c148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc9001d3e7d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc9001d3e7d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
#2: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4755
3 locks held by kworker/u8:13/9476:
5 locks held by kworker/u9:0/11005:
#0: ffff888028cae948 ((wq_completion)hci5){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff888028cae948 ((wq_completion)hci5){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc90003317d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc90003317d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
#2: ffff88806e3ccd80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:331
#3: ffff88806e3cc078 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x1e4/0x11f0 net/bluetooth/hci_sync.c:5584
#4: ffffffff8e93cff8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline]
#4: ffffffff8e93cff8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:976
4 locks held by kworker/u9:1/15932:
#0: ffff888060491948 ((wq_completion)hci9){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff888060491948 ((wq_completion)hci9){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc90015d97d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc90015d97d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
#2: ffff888047e88d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:331
#3: ffff888047e88078 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x1e4/0x11f0 net/bluetooth/hci_sync.c:5584
3 locks held by kworker/0:6/16182:
1 lock held by syz.8.3368/17546:
#0: ffffffff8fca4f10 (pernet_ops_rwsem){++++}-{4:4}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:512
7 locks held by syz.5.3385/17591:
#0: ffffffff9a765238 (&rdma_nl_types[idx].sem){.+.+}-{4:4}, at: rdma_nl_rcv_msg drivers/infiniband/core/netlink.c:164 [inline]
#0: ffffffff9a765238 (&rdma_nl_types[idx].sem){.+.+}-{4:4}, at: rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]
#0: ffffffff9a765238 (&rdma_nl_types[idx].sem){.+.+}-{4:4}, at: rdma_nl_rcv+0x32d/0x9e0 drivers/infiniband/core/netlink.c:259
#1: ffffffff8fa33ab0 (link_ops_rwsem){++++}-{4:4}, at: nldev_newlink+0x42a/0x640 drivers/infiniband/core/nldev.c:1785
#2: ffffffff8fa26850 (devices_rwsem){++++}-{4:4}, at: enable_device_and_get+0x12e/0x440 drivers/infiniband/core/device.c:1329
#3: ffffffff8fa26a10 (rdma_nets_rwsem){++++}-{4:4}, at: add_compat_devs drivers/infiniband/core/device.c:1032 [inline]
#3: ffffffff8fa26a10 (rdma_nets_rwsem){++++}-{4:4}, at: enable_device_and_get+0x2cd/0x440 drivers/infiniband/core/device.c:1345
#4: ffff88807f344f40 (&device->compat_devs_mutex){+.+.}-{4:4}, at: add_one_compat_dev+0x10d/0x710 drivers/infiniband/core/device.c:950
#5: ffff88807f345238 (&rxe->usdev_lock){+.+.}-{4:4}, at: rxe_query_port+0x61/0x260 drivers/infiniband/sw/rxe/rxe_verbs.c:54
#6: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: ib_get_eth_speed+0x153/0x800 drivers/infiniband/core/verbs.c:1995
7 locks held by syz-executor/17592:
#0: ffff8880339a0420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2964 [inline]
#0: ffff8880339a0420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x225/0xd30 fs/read_write.c:675
#1: ffff888065ef9088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1ea/0x500 fs/kernfs/file.c:325
#2: ffff888027b13008 (kn->active#49){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20e/0x500 fs/kernfs/file.c:326
#3: ffffffff8f55d4e8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216
#4: ffff88805ab6a0e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1014 [inline]
#4: ffff88805ab6a0e8 (&dev->mutex){....}-{4:4}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
#4: ffff88805ab6a0e8 (&dev->mutex){....}-{4:4}, at: device_release_driver_internal+0xce/0x7c0 drivers/base/dd.c:1293
#5: ffff88805ab6b250 (&devlink->lock_key#3){+.+.}-{4:4}, at: nsim_drv_remove+0x50/0x160 drivers/net/netdevsim/dev.c:1675
#6: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: nsim_destroy+0x71/0x5c0 drivers/net/netdevsim/netdev.c:816
1 lock held by syz.7.3402/17657:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: __tun_chr_ioctl+0x48c/0x2400 drivers/net/tun.c:3121
1 lock held by syz.7.3402/17658:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: tun_detach drivers/net/tun.c:698 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3517
1 lock held by syz.7.3402/17660:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: dev_ioctl+0x706/0x1340 net/core/dev_ioctl.c:782
1 lock held by syz.4.3404/17670:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: dev_ioctl+0x86e/0x1340 net/core/dev_ioctl.c:807
1 lock held by syz.3.3409/17681:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: __tun_chr_ioctl+0x48c/0x2400 drivers/net/tun.c:3121
1 lock held by syz.3.3409/17682:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: devinet_ioctl+0x31a/0x1ac0 net/ipv4/devinet.c:1129
1 lock held by syz-executor/17686:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
1 lock held by syz-executor/17689:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
1 lock held by syz-executor/17693:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
1 lock held by syz-executor/17695:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
1 lock held by syz-executor/17698:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
1 lock held by syz-executor/17701:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
1 lock held by syz-executor/17704:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
1 lock held by syz-executor/17707:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
1 lock held by syz-executor/17711:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
1 lock held by syz-executor/17715:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
1 lock held by syz-executor/17718:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
1 lock held by syz-executor/17721:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
1 lock held by syz-executor/17727:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
4 locks held by kworker/u9:3/17730:
#0: ffff888028749148 ((wq_completion)hci8){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff888028749148 ((wq_completion)hci8){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc9001656fd00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc9001656fd00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
#2: ffff88805d170d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:331
#3: ffff88805d170078 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x1e4/0x11f0 net/bluetooth/hci_sync.c:5584
1 lock held by syz-executor/17733:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
4 locks held by kworker/u9:4/17735:
#0: ffff888028c12148 ((wq_completion)hci7){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff888028c12148 ((wq_completion)hci7){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc9001654fd00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc9001654fd00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
#2: ffff88805a738d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:331
#3: ffff88805a738078 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x1e4/0x11f0 net/bluetooth/hci_sync.c:5584
1 lock held by syz-executor/17742:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
1 lock held by syz-executor/17749:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
1 lock held by syz-executor/17752:
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fcb13c8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc2-syzkaller-00159-gf932fb9b4074 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
watchdog+0xff6/0x1040 kernel/hung_task.c:397
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 16182 Comm: kworker/0:6 Not tainted 6.13.0-rc2-syzkaller-00159-gf932fb9b4074 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Workqueue: wg-kex-wg1 wg_packet_handshake_receive_worker
RIP: 0010:unwind_next_frame+0x334/0x22d0 arch/x86/kernel/unwind_orc.c:505
Code: 00 00 00 00 fc ff df 0f b6 04 28 84 c0 0f 85 58 18 00 00 4c 89 f0 48 c1 e8 03 0f b6 04 28 84 c0 0f 85 6a 18 00 00 0f b6 43 01 <83> e0 07 0f 84 ca 15 00 00 83 f8 01 4c 8b 6c 24 08 49 bc 00 00 00
RSP: 0018:ffffc90000007130 EFLAGS: 00000046
RAX: 0000000000000002 RBX: ffffffff90f3aca8 RCX: ffffffff90623014
RDX: ffffffff90f3aca4 RSI: ffffffff90f3aca4 RDI: 0000000000000001
RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffc900000072f0
R10: dffffc0000000000 R11: ffffffff818b2450 R12: 0000000000000000
R13: ffffc90000007200 R14: ffffffff90f3aca9 R15: ffffffff86778c7a
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000e736000 CR4: 0000000000350ef0
Call Trace:
<NMI>
</NMI>
<IRQ>
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
__kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394
kasan_kmalloc include/linux/kasan.h:260 [inline]
__kmalloc_cache_noprof+0x243/0x390 mm/slub.c:4314
kmalloc_noprof include/linux/slab.h:901 [inline]
dummy_urb_enqueue+0x7d/0x780 drivers/usb/gadget/udc/dummy_hcd.c:1272
usb_hcd_submit_urb+0x36e/0x1e80 drivers/usb/core/hcd.c:1533
ath9k_hif_usb_reg_in_cb+0x4ce/0x6e0 drivers/net/wireless/ath/ath9k/hif_usb.c:790
__usb_hcd_giveback_urb+0x42e/0x6e0 drivers/usb/core/hcd.c:1650
dummy_timer+0x856/0x4620 drivers/usb/gadget/udc/dummy_hcd.c:1993
__run_hrtimer kernel/time/hrtimer.c:1739 [inline]
__hrtimer_run_queues+0x59d/0xd30 kernel/time/hrtimer.c:1803
hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1820
handle_softirqs+0x2d6/0x9b0 kernel/softirq.c:561
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:preempt_schedule_irq+0xf6/0x1c0 kernel/sched/core.c:7078
Code: 89 f5 49 c1 ed 03 eb 0d 48 f7 03 08 00 00 00 0f 84 8b 00 00 00 bf 01 00 00 00 e8 a5 14 a4 f5 e8 00 cc dd f5 fb bf 01 00 00 00 <e8> 85 ab ff ff 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 e5 63 3c f6 48
RSP: 0018:ffffc90014e57300 EFLAGS: 00000286
RAX: c2a1ae01dadd2500 RBX: 1ffff920029cae68 RCX: ffffffff817b11ca
RDX: dffffc0000000000 RSI: ffffffff8c0a9760 RDI: 0000000000000001
RBP: ffffc90014e573c0 R08: ffffffff9429f97f R09: 1ffffffff2853f2f
R10: dffffc0000000000 R11: fffffbfff2853f30 R12: 1ffff920029cae60
R13: 1ffff920029cae64 R14: ffffc90014e57320 R15: dffffc0000000000
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:103 [inline]
RIP: 0010:__local_bh_enable_ip+0x170/0x200 kernel/softirq.c:396
Code: 8c e8 94 a3 66 0a 65 66 8b 05 34 21 a2 7e 66 85 c0 75 5d bf 01 00 00 00 e8 5d bd 0b 00 e8 18 73 45 00 fb 65 8b 05 f8 20 a2 7e <85> c0 75 05 e8 77 92 a8 ff 48 c7 44 24 20 0e 36 e0 45 49 c7 04 1c
RSP: 0018:ffffc90014e57480 EFLAGS: 00000282
RAX: 0000000080000000 RBX: 1ffff920029cae94 RCX: ffffffff817b11ca
RDX: dffffc0000000000 RSI: ffffffff8c0a9760 RDI: ffffffff8c5f9780
RBP: ffffc90014e57540 R08: ffffffff9429f97f R09: 1ffffffff2853f2f
R10: dffffc0000000000 R11: fffffbfff2853f30 R12: dffffc0000000000
R13: 1ffff920029cae98 R14: ffffc90014e574c0 R15: 0000000000000200
local_bh_enable include/linux/bottom_half.h:33 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:919 [inline]
wg_pubkey_hashtable_lookup+0x315/0x360 drivers/net/wireguard/peerlookup.c:69
wg_noise_handshake_consume_initiation+0x609/0xf70 drivers/net/wireguard/noise.c:617
wg_receive_handshake_packet drivers/net/wireguard/receive.c:144 [inline]
wg_packet_handshake_receive_worker+0x5bb/0xf50 drivers/net/wireguard/receive.c:213
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
vkms_vblank_simulate: vblank timer overrun