INFO: task dhcpcd:4731 blocked for more than 143 seconds.
Not tainted 6.8.0-rc3-syzkaller-00323-g2766f59ca44e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:25696 pid:4731 tgid:4731 ppid:1 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c60 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x280 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5bd/0x9d0 kernel/locking/mutex.c:752
vlan_ioctl_handler+0xcf/0xa80 net/8021q/vlan.c:553
sock_ioctl+0x4c4/0x6c0 net/socket.c:1305
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl fs/ioctl.c:857 [inline]
__x64_sys_ioctl+0x193/0x220 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f3a2fe92d49
RSP: 002b:00007ffec07b18c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00005648d6609cf0 RCX: 00007f3a2fe92d49
RDX: 00007ffec07b18d0 RSI: 0000000000008982 RDI: 0000000000000011
RBP: 0000000000000002 R08: 1999999999999999 R09: 00007ffec07b1854
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffec07b18d0
R13: 00007ffec07b1990 R14: 00005648d6609cf0 R15: 00005648d6745770
INFO: task kworker/1:4:31304 blocked for more than 143 seconds.
Not tainted 6.8.0-rc3-syzkaller-00323-g2766f59ca44e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4 state:D stack:24208 pid:31304 tgid:31304 ppid:2 flags:0x00004000
Workqueue: events linkwatch_event
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c60 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x280 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5bd/0x9d0 kernel/locking/mutex.c:752
linkwatch_event+0x51/0xc0 net/core/link_watch.c:281
process_one_work+0x889/0x15e0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b9/0x12a0 kernel/workqueue.c:2787
kthread+0x2c6/0x3b0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
INFO: task kworker/0:5:330 blocked for more than 143 seconds.
Not tainted 6.8.0-rc3-syzkaller-00323-g2766f59ca44e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:5 state:D stack:24992 pid:330 tgid:330 ppid:2 flags:0x00004000
Workqueue: events switchdev_deferred_process_work
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c60 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x280 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5bd/0x9d0 kernel/locking/mutex.c:752
switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:75
process_one_work+0x889/0x15e0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b9/0x12a0 kernel/workqueue.c:2787
kthread+0x2c6/0x3b0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
INFO: task syz-executor.4:25100 blocked for more than 144 seconds.
Not tainted 6.8.0-rc3-syzkaller-00323-g2766f59ca44e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:22880 pid:25100 tgid:25100 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c60 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x280 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5bd/0x9d0 kernel/locking/mutex.c:752
nsim_destroy+0x39/0x1c0 drivers/net/netdevsim/netdev.c:417
__nsim_dev_port_del+0x189/0x240 drivers/net/netdevsim/dev.c:1425
nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1437 [inline]
nsim_dev_reload_destroy+0x108/0x4d0 drivers/net/netdevsim/dev.c:1658
nsim_drv_remove+0x52/0x1d0 drivers/net/netdevsim/dev.c:1673
device_remove+0xc8/0x170 drivers/base/dd.c:567
__device_release_driver drivers/base/dd.c:1272 [inline]
device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1295
bus_remove_device+0x22f/0x420 drivers/base/bus.c:574
device_del+0x39d/0xa60 drivers/base/core.c:3814
device_unregister+0x1d/0xc0 drivers/base/core.c:3855
nsim_bus_dev_del drivers/net/netdevsim/bus.c:317 [inline]
del_device_store+0x346/0x4b0 drivers/net/netdevsim/bus.c:226
bus_attr_store+0x76/0xa0 drivers/base/bus.c:170
sysfs_kf_write+0x117/0x170 fs/sysfs/file.c:136
kernfs_fop_write_iter+0x343/0x500 fs/kernfs/file.c:334
call_write_iter include/linux/fs.h:2085 [inline]
new_sync_write fs/read_write.c:497 [inline]
vfs_write+0x6de/0x1110 fs/read_write.c:590
ksys_write+0x12f/0x260 fs/read_write.c:643
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fba3a47caef
RSP: 002b:00007ffcdbfc58c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fba3a47caef
RDX: 0000000000000001 RSI: 00007ffcdbfc5910 RDI: 0000000000000005
RBP: 00007fba3a4ca021 R08: 0000000000000000 R09: 00007ffcdbfc5717
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffcdbfc5910 R14: 00007fba3b0d4620 R15: 0000000000000003
INFO: task syz-executor.3:25182 blocked for more than 144 seconds.
Not tainted 6.8.0-rc3-syzkaller-00323-g2766f59ca44e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:27664 pid:25182 tgid:25182 ppid:1 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c60 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x280 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5bd/0x9d0 kernel/locking/mutex.c:752
rtnl_lock net/core/rtnetlink.c:79 [inline]
rtnetlink_rcv_msg+0x372/0xe10 net/core/rtnetlink.c:6612
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2543
netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
netlink_unicast+0x542/0x820 net/netlink/af_netlink.c:1367
netlink_sendmsg+0x8bb/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg net/socket.c:745 [inline]
__sys_sendto+0x47f/0x4e0 net/socket.c:2191
__do_sys_sendto net/socket.c:2203 [inline]
__se_sys_sendto net/socket.c:2199 [inline]
__x64_sys_sendto+0xe0/0x1c0 net/socket.c:2199
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f7ea167fa9c
RSP: 002b:00007ffd03f9d8e0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f7ea22d4620 RCX: 00007f7ea167fa9c
RDX: 0000000000000028 RSI: 00007f7ea22d4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffd03f9d934 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f7ea22d4670 R15: 0000000000000000
INFO: task syz-executor.0:25187 blocked for more than 144 seconds.
Not tainted 6.8.0-rc3-syzkaller-00323-g2766f59ca44e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27856 pid:25187 tgid:25187 ppid:1 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c60 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x280 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5bd/0x9d0 kernel/locking/mutex.c:752
rtnl_lock net/core/rtnetlink.c:79 [inline]
rtnetlink_rcv_msg+0x372/0xe10 net/core/rtnetlink.c:6612
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2543
netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
netlink_unicast+0x542/0x820 net/netlink/af_netlink.c:1367
netlink_sendmsg+0x8bb/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg net/socket.c:745 [inline]
__sys_sendto+0x47f/0x4e0 net/socket.c:2191
__do_sys_sendto net/socket.c:2203 [inline]
__se_sys_sendto net/socket.c:2199 [inline]
__x64_sys_sendto+0xe0/0x1c0 net/socket.c:2199
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f2784a7fa9c
RSP: 002b:00007ffe8ec87e30 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f27856d4620 RCX: 00007f2784a7fa9c
RDX: 0000000000000028 RSI: 00007f27856d4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffe8ec87e84 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f27856d4670 R15: 0000000000000000
INFO: task syz-executor.2:25189 blocked for more than 144 seconds.
Not tainted 6.8.0-rc3-syzkaller-00323-g2766f59ca44e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:27568 pid:25189 tgid:25189 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c60 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x280 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5bd/0x9d0 kernel/locking/mutex.c:752
rtnl_lock net/core/rtnetlink.c:79 [inline]
rtnetlink_rcv_msg+0x372/0xe10 net/core/rtnetlink.c:6612
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2543
netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
netlink_unicast+0x542/0x820 net/netlink/af_netlink.c:1367
netlink_sendmsg+0x8bb/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg net/socket.c:745 [inline]
__sys_sendto+0x47f/0x4e0 net/socket.c:2191
__do_sys_sendto net/socket.c:2203 [inline]
__se_sys_sendto net/socket.c:2199 [inline]
__x64_sys_sendto+0xe0/0x1c0 net/socket.c:2199
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fed9b67fa9c
RSP: 002b:00007ffc559b63d0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fed9c2d4620 RCX: 00007fed9b67fa9c
RDX: 0000000000000028 RSI: 00007fed9c2d4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffc559b6424 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007fed9c2d4670 R15: 0000000000000000
INFO: task syz-executor.1:25191 blocked for more than 145 seconds.
Not tainted 6.8.0-rc3-syzkaller-00323-g2766f59ca44e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28160 pid:25191 tgid:25191 ppid:1 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c60 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x280 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5bd/0x9d0 kernel/locking/mutex.c:752
rtnl_lock net/core/rtnetlink.c:79 [inline]
rtnetlink_rcv_msg+0x372/0xe10 net/core/rtnetlink.c:6612
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2543
netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
netlink_unicast+0x542/0x820 net/netlink/af_netlink.c:1367
netlink_sendmsg+0x8bb/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg net/socket.c:745 [inline]
__sys_sendto+0x47f/0x4e0 net/socket.c:2191
__do_sys_sendto net/socket.c:2203 [inline]
__se_sys_sendto net/socket.c:2199 [inline]
__x64_sys_sendto+0xe0/0x1c0 net/socket.c:2199
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f599d67fa9c
RSP: 002b:00007fff77fb8110 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f599e2d4620 RCX: 00007f599d67fa9c
RDX: 0000000000000028 RSI: 00007f599e2d4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007fff77fb8164 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f599e2d4670 R15: 0000000000000000
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8d7ad160 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#0: ffffffff8d7ad160 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#0: ffffffff8d7ad160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
2 locks held by dhcpcd/4731:
#0: ffffffff8f2ba628 (vlan_ioctl_mutex){+.+.}-{3:3}, at: sock_ioctl+0x4a8/0x6c0 net/socket.c:1303
#1: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: vlan_ioctl_handler+0xcf/0xa80 net/8021q/vlan.c:553
2 locks held by getty/4828:
#0: ffff88802b0e40a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015d02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfca/0x1490 drivers/tty/n_tty.c:2201
5 locks held by kworker/u4:2/5414:
#0: ffff888014c8f938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x789/0x15e0 kernel/workqueue.c:2608
#1: ffffc9000341fd80 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15e0 kernel/workqueue.c:2609
#2: ffffffff8f2cea50 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9f/0xb20 net/core/net_namespace.c:580
#3: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: default_device_exit_batch+0x8f/0xb30 net/core/dev.c:11605
#4: ffffffff8d7b8880 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x48/0x6c0 kernel/rcu/tree.c:4064
3 locks held by kworker/u4:3/26329:
#0: ffff888014c8d538 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x789/0x15e0 kernel/workqueue.c:2608
#1: ffff8880b9528a08 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2d9/0x900 kernel/sched/psi.c:988
#2: ffff8880b9528a08 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_change+0x1b4/0x2e0 kernel/sched/psi.c:912
3 locks held by kworker/1:4/31304:
#0: ffff888014c8c938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x789/0x15e0 kernel/workqueue.c:2608
#1: ffffc90014f37d80 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15e0 kernel/workqueue.c:2609
#2: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0x51/0xc0 net/core/link_watch.c:281
3 locks held by kworker/0:5/330:
#0: ffff888014c8c938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x789/0x15e0 kernel/workqueue.c:2608
#1: ffffc900035dfd80 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15e0 kernel/workqueue.c:2609
#2: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:75
3 locks held by kworker/1:2/21733:
#0: ffff88802a4e0138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x789/0x15e0 kernel/workqueue.c:2608
#1: ffffc9000382fd80 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15e0 kernel/workqueue.c:2609
#2: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4671
7 locks held by syz-executor.4/25100:
#0: ffff88802a83a420 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x12f/0x260 fs/read_write.c:643
#1: ffff88814f854488 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x281/0x500 fs/kernfs/file.c:325
#2: ffff88802367d5d8 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2a4/0x500 fs/kernfs/file.c:326
#3: ffffffff8e9474a8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xd2/0x4b0 drivers/net/netdevsim/bus.c:216
#4: ffff8880378140e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#4: ffff8880378140e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
#4: ffff8880378140e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1292
#5: ffff888037815250 (&devlink->lock_key#5){+.+.}-{3:3}, at: nsim_drv_remove+0x4a/0x1d0 drivers/net/netdevsim/dev.c:1672
#6: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: nsim_destroy+0x39/0x1c0 drivers/net/netdevsim/netdev.c:417
1 lock held by syz-executor.3/25182:
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe10 net/core/rtnetlink.c:6612
1 lock held by syz-executor.0/25187:
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe10 net/core/rtnetlink.c:6612
1 lock held by syz-executor.2/25189:
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe10 net/core/rtnetlink.c:6612
1 lock held by syz-executor.1/25191:
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe10 net/core/rtnetlink.c:6612
1 lock held by syz-executor.4/25194:
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe10 net/core/rtnetlink.c:6612
1 lock held by syz-executor.3/25198:
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe10 net/core/rtnetlink.c:6612
1 lock held by syz-executor.2/25202:
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe10 net/core/rtnetlink.c:6612
1 lock held by syz-executor.1/25206:
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe10 net/core/rtnetlink.c:6612
1 lock held by syz-executor.0/25208:
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe10 net/core/rtnetlink.c:6612
1 lock held by syz-executor.4/25214:
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe10 net/core/rtnetlink.c:6612
1 lock held by syz-executor.3/25219:
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe10 net/core/rtnetlink.c:6612
1 lock held by syz-executor.2/25223:
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe10 net/core/rtnetlink.c:6612
1 lock held by syz-executor.1/25227:
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe10 net/core/rtnetlink.c:6612
1 lock held by syz-executor.0/25229:
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f2e3e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe10 net/core/rtnetlink.c:6612
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc3-syzkaller-00323-g2766f59ca44e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
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:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xf87/0x1210 kernel/hung_task.c:379
kthread+0x2c6/0x3b0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 17 Comm: rcu_preempt Not tainted 6.8.0-rc3-syzkaller-00323-g2766f59ca44e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:rcu_lockdep_current_cpu_online+0x0/0x150 kernel/rcu/tree.c:4269
Code: eb b2 48 89 d7 48 89 14 24 e8 6c 77 71 00 48 8b 14 24 eb c0 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 65 8b 15 bd c1 90 7e 81 e2 00 00 f0 00 b8 01 00 00 00
RSP: 0018:ffffc900001679e0 EFLAGS: 00000002
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81321b1e
RDX: 0000000000000000 RSI: ffffffff8b6e9340 RDI: ffffffff8d224a68
RBP: ffff8880172f8000 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b953d7d8
R13: ffffffff8d7f4f80 R14: 0000000000000002 R15: ffff88807d4b1dc0
FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00ecbbbd0 CR3: 000000000d57a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_read_lock_held_common kernel/rcu/update.c:113 [inline]
rcu_read_lock_sched_held+0x29/0x70 kernel/rcu/update.c:124
task_css_set include/linux/cgroup.h:421 [inline]
task_dfl_cgroup include/linux/cgroup.h:490 [inline]
task_psi_group kernel/sched/psi.c:877 [inline]
psi_task_switch+0x618/0x900 kernel/sched/psi.c:930
psi_sched_switch kernel/sched/stats.h:185 [inline]
__schedule+0x22b9/0x5c60 kernel/sched/core.c:6722
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x280 kernel/sched/core.c:6817
schedule_timeout+0x137/0x2a0 kernel/time/timer.c:2183
rcu_gp_fqs_loop+0x1ec/0xb20 kernel/rcu/tree.c:1663
rcu_gp_kthread+0x24b/0x380 kernel/rcu/tree.c:1862
kthread+0x2c6/0x3b0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242