INFO: task kworker/0:2:975 blocked for more than 143 seconds.
      Not tainted 6.13.0-syzkaller-06094-g47d65738b975 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2     state:D stack:23792 pid:975   tgid:975   ppid:2      flags:0x00004000
Workqueue: events request_firmware_work_func
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 regdb_fw_cb+0x82/0x1c0 net/wireless/reg.c:1017
 request_firmware_work_func+0x1a4/0x280 drivers/base/firmware_loader/main.c:1196
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317
 worker_thread+0x870/0xd30 kernel/workqueue.c:3398
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task kworker/u8:5:3044 blocked for more than 143 seconds.
      Not tainted 6.13.0-syzkaller-06094-g47d65738b975 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:5    state:D stack:22128 pid:3044  tgid:3044  ppid:2      flags:0x00004000
Workqueue: events_unbound linkwatch_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 linkwatch_event+0xe/0x60 net/core/link_watch.c:285
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317
 worker_thread+0x870/0xd30 kernel/workqueue.c:3398
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task kworker/u8:6:3440 blocked for more than 143 seconds.
      Not tainted 6.13.0-syzkaller-06094-g47d65738b975 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:6    state:D stack:23536 pid:3440  tgid:3440  ppid:2      flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 rtnl_acquire_if_cleanup_net net/core/dev.c:10272 [inline]
 unregister_netdevice_many_notify+0x1c2c/0x2030 net/core/dev.c:11854
 unregister_netdevice_many net/core/dev.c:11875 [inline]
 unregister_netdevice_queue+0x303/0x370 net/core/dev.c:11741
 unregister_netdevice include/linux/netdevice.h:3329 [inline]
 _cfg80211_unregister_wdev+0x163/0x590 net/wireless/core.c:1251
 ieee80211_remove_interfaces+0x4ef/0x700 net/mac80211/iface.c:2305
 ieee80211_unregister_hw+0x5d/0x2c0 net/mac80211/main.c:1681
 mac80211_hwsim_del_radio+0x2c4/0x4c0 drivers/net/wireless/virtual/mac80211_hwsim.c:5664
 hwsim_exit_net+0x5c1/0x670 drivers/net/wireless/virtual/mac80211_hwsim.c:6544
 ops_exit_list net/core/net_namespace.c:172 [inline]
 cleanup_net+0x812/0xd60 net/core/net_namespace.c:652
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317
 worker_thread+0x870/0xd30 kernel/workqueue.c:3398
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task kworker/u8:7:3500 blocked for more than 144 seconds.
      Not tainted 6.13.0-syzkaller-06094-g47d65738b975 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:7    state:D stack:23184 pid:3500  tgid:3500  ppid:2      flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 rtnl_net_lock include/linux/rtnetlink.h:129 [inline]
 addrconf_dad_work+0x10e/0x16a0 net/ipv6/addrconf.c:4190
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317
 worker_thread+0x870/0xd30 kernel/workqueue.c:3398
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task dhcpcd:5499 blocked for more than 144 seconds.
      Not tainted 6.13.0-syzkaller-06094-g47d65738b975 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:21200 pid:5499  tgid:5499  ppid:5498   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 rtnl_net_lock include/linux/rtnetlink.h:129 [inline]
 devinet_ioctl+0x31a/0x1ac0 net/ipv4/devinet.c:1129
 inet_ioctl+0x3d7/0x4f0 net/ipv4/af_inet.c:1001
 sock_do_ioctl+0x158/0x460 net/socket.c:1194
 sock_ioctl+0x626/0x8e0 net/socket.c:1313
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 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: 0033:0x7f350a2dfd49
RSP: 002b:00007ffc41801db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f350a2116c0 RCX: 00007f350a2dfd49
RDX: 00007ffc41811fa8 RSI: 0000000000008914 RDI: 000000000000000f
RBP: 00007ffc41822168 R08: 00007ffc41811f68 R09: 00007ffc41811f18
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc41811fa8 R14: 0000000000000028 R15: 0000000000008914
 </TASK>
INFO: task syz-executor:6282 blocked for more than 144 seconds.
      Not tainted 6.13.0-syzkaller-06094-g47d65738b975 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:21488 pid:6282  tgid:6282  ppid:1      flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 class_wiphy_constructor include/net/cfg80211.h:6061 [inline]
 reg_process_self_managed_hints+0xb9/0x1c0 net/wireless/reg.c:3206
 wiphy_register+0x1be5/0x27b0 net/wireless/core.c:1026
 ieee80211_register_hw+0x354e/0x4240 net/mac80211/main.c:1587
 mac80211_hwsim_new_radio+0x2a9f/0x4a90 drivers/net/wireless/virtual/mac80211_hwsim.c:5558
 hwsim_new_radio_nl+0xece/0x2290 drivers/net/wireless/virtual/mac80211_hwsim.c:6242
 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
 netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892
 sock_sendmsg_nosec net/socket.c:713 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:728
 __sys_sendto+0x363/0x4c0 net/socket.c:2182
 __do_sys_sendto net/socket.c:2189 [inline]
 __se_sys_sendto net/socket.c:2185 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2185
 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: 0033:0x7f372678ebbc
RSP: 002b:00007f3726acfe80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f37274d4620 RCX: 00007f372678ebbc
RDX: 0000000000000024 RSI: 00007f37274d4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007f3726acfed4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f37274d4670 R15: 0000000000000000
 </TASK>
INFO: task syz-executor:6342 blocked for more than 145 seconds.
      Not tainted 6.13.0-syzkaller-06094-g47d65738b975 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:22128 pid:6342  tgid:6342  ppid:1      flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:917 [inline]
 nsim_create+0x4c1/0xaa0 drivers/net/netdevsim/netdev.c:989
 __nsim_dev_port_add+0x6c0/0xae0 drivers/net/netdevsim/dev.c:1393
 nsim_dev_port_add_all+0x33/0xf0 drivers/net/netdevsim/dev.c:1449
 nsim_drv_probe+0x85f/0xb80 drivers/net/netdevsim/dev.c:1607
 really_probe+0x2b9/0xad0 drivers/base/dd.c:658
 __driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800
 driver_probe_device+0x50/0x430 drivers/base/dd.c:830
 __device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958
 bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:459
 __device_attach+0x333/0x520 drivers/base/dd.c:1030
 bus_probe_device+0x189/0x260 drivers/base/bus.c:534
 device_add+0x856/0xbf0 drivers/base/core.c:3665
 nsim_bus_dev_new drivers/net/netdevsim/bus.c:442 [inline]
 new_device_store+0x3f3/0x890 drivers/net/netdevsim/bus.c:173
 kernfs_fop_write_iter+0x3a0/0x500 fs/kernfs/file.c:334
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 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: 0033:0x7f82ccd8b7df
RSP: 002b:00007f82cd0cf220 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f82ccd8b7df
RDX: 0000000000000003 RSI: 00007f82cd0cf270 RDI: 0000000000000005
RBP: 00007f82cce0f4d1 R08: 0000000000000000 R09: 00007f82cd0cf077
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 00007f82cd0cf270 R14: 00007f82cdad4620 R15: 0000000000000003
 </TASK>
INFO: task syz-executor:6432 blocked for more than 145 seconds.
      Not tainted 6.13.0-syzkaller-06094-g47d65738b975 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:22128 pid:6432  tgid:6432  ppid:1      flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 rtnl_lock net/core/rtnetlink.c:79 [inline]
 rtnl_nets_lock net/core/rtnetlink.c:335 [inline]
 rtnl_newlink+0xce2/0x2210 net/core/rtnetlink.c:4020
 rtnetlink_rcv_msg+0x791/0xcf0 net/core/rtnetlink.c:6911
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
 netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892
 sock_sendmsg_nosec net/socket.c:713 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:728
 __sys_sendto+0x363/0x4c0 net/socket.c:2182
 __do_sys_sendto net/socket.c:2189 [inline]
 __se_sys_sendto net/socket.c:2185 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2185
 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: 0033:0x7f644dd8ebbc
RSP: 002b:00007f644e0cf6b0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f644ead4620 RCX: 00007f644dd8ebbc
RDX: 0000000000000038 RSI: 00007f644ead4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007f644e0cf704 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f644ead4670 R15: 0000000000000000
 </TASK>
INFO: task syz.2.147:6484 blocked for more than 146 seconds.
      Not tainted 6.13.0-syzkaller-06094-g47d65738b975 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.147       state:D stack:28176 pid:6484  tgid:6483  ppid:5841   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 __tun_chr_ioctl+0x48c/0x2400 drivers/net/tun.c:3125
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 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: 0033:0x7f538c58cd29
RSP: 002b:00007f538d41a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f538c7a5fa0 RCX: 00007f538c58cd29
RDX: 0000000020000040 RSI: 00000000400454ca RDI: 0000000000000004
RBP: 00007f538c60e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f538c7a5fa0 R15: 00007f538c8cfa28
 </TASK>
INFO: task syz.2.147:6485 blocked for more than 146 seconds.
      Not tainted 6.13.0-syzkaller-06094-g47d65738b975 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.147       state:D stack:28176 pid:6485  tgid:6483  ppid:5841   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 __tun_chr_ioctl+0x48c/0x2400 drivers/net/tun.c:3125
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 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: 0033:0x7f538c58cd29
RSP: 002b:00007f538d3f9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f538c7a6080 RCX: 00007f538c58cd29
RDX: 0000000020000040 RSI: 00000000400454ca RDI: 0000000000000003
RBP: 00007f538c60e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f538c7a6080 R15: 00007f538c8cfa28
 </TASK>
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz.2.147:6486 blocked for more than 146 seconds.
      Not tainted 6.13.0-syzkaller-06094-g47d65738b975 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.147       state:D stack:28176 pid:6486  tgid:6483  ppid:5841   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 tun_detach drivers/net/tun.c:702 [inline]
 tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3521
 __fput+0x3e9/0x9f0 fs/file_table.c:450
 __do_sys_close fs/open.c:1579 [inline]
 __se_sys_close fs/open.c:1564 [inline]
 __x64_sys_close+0x7f/0x110 fs/open.c:1564
 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: 0033:0x7f538c58cd29
RSP: 002b:00007f538d3d8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007f538c7a6160 RCX: 00007f538c58cd29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007f538c60e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f538c7a6160 R15: 00007f538c8cfa28
 </TASK>
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz.2.147:6487 blocked for more than 146 seconds.
      Not tainted 6.13.0-syzkaller-06094-g47d65738b975 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.147       state:D stack:28176 pid:6487  tgid:6483  ppid:5841   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 rtnl_net_lock include/linux/rtnetlink.h:129 [inline]
 dev_ioctl+0x706/0x1340 net/core/dev_ioctl.c:825
 sock_do_ioctl+0x240/0x460 net/socket.c:1208
 sock_ioctl+0x626/0x8e0 net/socket.c:1313
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 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: 0033:0x7f538c58cd29
RSP: 002b:00007f538d3b7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f538c7a6240 RCX: 00007f538c58cd29
RDX: 0000000020002280 RSI: 0000000000008914 RDI: 0000000000000005
RBP: 00007f538c60e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f538c7a6240 R15: 00007f538c8cfa28
 </TASK>
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz.5.149:6494 blocked for more than 147 seconds.
      Not tainted 6.13.0-syzkaller-06094-g47d65738b975 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.149       state:D stack:28176 pid:6494  tgid:6493  ppid:6000   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 __tun_chr_ioctl+0x48c/0x2400 drivers/net/tun.c:3125
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 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: 0033:0x7f577258cd29
RSP: 002b:00007f57734bb038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f57727a5fa0 RCX: 00007f577258cd29
RDX: 0000000020000040 RSI: 00000000400454ca RDI: 0000000000000003
RBP: 00007f577260e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f57727a5fa0 R15: 00007f57728cfa28
 </TASK>
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz.5.149:6495 blocked for more than 147 seconds.
      Not tainted 6.13.0-syzkaller-06094-g47d65738b975 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.149       state:D stack:28176 pid:6495  tgid:6493  ppid:6000   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 __tun_chr_ioctl+0x48c/0x2400 drivers/net/tun.c:3125
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 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: 0033:0x7f577258cd29
RSP: 002b:00007f577349a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f57727a6080 RCX: 00007f577258cd29
RDX: 0000000020000040 RSI: 00000000400454ca RDI: 0000000000000005
RBP: 00007f577260e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f57727a6080 R15: 00007f57728cfa28
 </TASK>
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz.5.149:6496 blocked for more than 147 seconds.
      Not tainted 6.13.0-syzkaller-06094-g47d65738b975 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.149       state:D stack:28176 pid:6496  tgid:6493  ppid:6000   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 __tun_chr_ioctl+0x48c/0x2400 drivers/net/tun.c:3125
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 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: 0033:0x7f577258cd29
RSP: 002b:00007f5773479038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f57727a6160 RCX: 00007f577258cd29
RDX: ba98575a95aeb70d RSI: 00000000400454c9 RDI: 0000000000000005
RBP: 00007f577260e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f57727a6160 R15: 00007f57728cfa28
 </TASK>
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz.5.149:6497 blocked for more than 147 seconds.
      Not tainted 6.13.0-syzkaller-06094-g47d65738b975 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.149       state:D stack:28176 pid:6497  tgid:6493  ppid:6000   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 __tun_chr_ioctl+0x48c/0x2400 drivers/net/tun.c:3125
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 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: 0033:0x7f577258cd29
RSP: 002b:00007f5773458038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f57727a6240 RCX: 00007f577258cd29
RDX: 0000000020000040 RSI: 00000000400454ca RDI: 0000000000000004
RBP: 00007f577260e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f57727a6240 R15: 00007f57728cfa28
 </TASK>
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz.5.149:6498 blocked for more than 147 seconds.
      Not tainted 6.13.0-syzkaller-06094-g47d65738b975 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.149       state:D stack:28176 pid:6498  tgid:6493  ppid:6000   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 tun_detach drivers/net/tun.c:702 [inline]
 tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3521
 __fput+0x3e9/0x9f0 fs/file_table.c:450
 __do_sys_close fs/open.c:1579 [inline]
 __se_sys_close fs/open.c:1564 [inline]
 __x64_sys_close+0x7f/0x110 fs/open.c:1564
 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: 0033:0x7f577258cd29
RSP: 002b:00007f5773437038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007f57727a6320 RCX: 00007f577258cd29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
RBP: 00007f577260e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f57727a6320 R15: 00007f57728cfa28
 </TASK>
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz.5.149:6499 blocked for more than 148 seconds.
      Not tainted 6.13.0-syzkaller-06094-g47d65738b975 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.149       state:D stack:28176 pid:6499  tgid:6493  ppid:6000   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x186c/0x4be0 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 rtnl_net_lock include/linux/rtnetlink.h:129 [inline]
 dev_ioctl+0x706/0x1340 net/core/dev_ioctl.c:825
 sock_do_ioctl+0x240/0x460 net/socket.c:1208
 sock_ioctl+0x626/0x8e0 net/socket.c:1313
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 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: 0033:0x7f577258cd29
RSP: 002b:00007f5773416038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f57727a6400 RCX: 00007f577258cd29
RDX: 0000000020002280 RSI: 0000000000008914 RDI: 0000000000000006
RBP: 00007f577260e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f57727a6400 R15: 00007f57728cfa28
 </TASK>
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-syzkaller-06094-g47d65738b975 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
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+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 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 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:106 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:111