INFO: task kworker/0:2:975 blocked for more than 143 seconds.
Not tainted 6.15.0-rc2-syzkaller-00488-g6fea5fabd332 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2 state:D stack:22152 pid:975 tgid:975 ppid:2 task_flags:0x4208160 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x116f/0x5de0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
schedule_timeout+0x257/0x290 kernel/time/sleep_timeout.c:75
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x2fc/0x4e0 kernel/sched/completion.c:116
devtmpfs_submit_req+0xa8/0x100 drivers/base/devtmpfs.c:122
devtmpfs_create_node+0x18a/0x230 drivers/base/devtmpfs.c:153
device_add+0x10bd/0x1a70 drivers/base/core.c:3640
usb_new_device+0xd07/0x1a20 drivers/usb/core/hub.c:2663
hub_port_connect drivers/usb/core/hub.c:5531 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5671 [inline]
port_event drivers/usb/core/hub.c:5831 [inline]
hub_event+0x2eb7/0x4fa0 drivers/usb/core/hub.c:5913
process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3319 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
kthread+0x3c2/0x780 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
INFO: task kworker/1:6:5875 blocked for more than 143 seconds.
Not tainted 6.15.0-rc2-syzkaller-00488-g6fea5fabd332 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:6 state:D stack:24424 pid:5875 tgid:5875 ppid:2 task_flags:0x4288060 flags:0x00004000
Workqueue: md_misc mddev_delayed_delete
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x116f/0x5de0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
schedule_timeout+0x257/0x290 kernel/time/sleep_timeout.c:75
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x2fc/0x4e0 kernel/sched/completion.c:116
devtmpfs_submit_req+0xa8/0x100 drivers/base/devtmpfs.c:122
devtmpfs_delete_node+0xf6/0x160 drivers/base/devtmpfs.c:171
device_del+0x734/0x9f0 drivers/base/core.c:3834
del_gendisk+0x486/0xc40 block/genhd.c:734
md_kobj_release+0xb2/0x100 drivers/md/md.c:5749
kobject_cleanup lib/kobject.c:689 [inline]
kobject_release lib/kobject.c:720 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x1e4/0x5a0 lib/kobject.c:737
process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3319 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
kthread+0x3c2/0x780 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
INFO: task kworker/1:8:5909 blocked for more than 143 seconds.
Not tainted 6.15.0-rc2-syzkaller-00488-g6fea5fabd332 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:8 state:D stack:21864 pid:5909 tgid:5909 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x116f/0x5de0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
schedule_timeout+0x257/0x290 kernel/time/sleep_timeout.c:75
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x2fc/0x4e0 kernel/sched/completion.c:116
devtmpfs_submit_req+0xa8/0x100 drivers/base/devtmpfs.c:122
devtmpfs_create_node+0x18a/0x230 drivers/base/devtmpfs.c:153
device_add+0x10bd/0x1a70 drivers/base/core.c:3640
usb_new_device+0xd07/0x1a20 drivers/usb/core/hub.c:2663
hub_port_connect drivers/usb/core/hub.c:5531 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5671 [inline]
port_event drivers/usb/core/hub.c:5831 [inline]
hub_event+0x2eb7/0x4fa0 drivers/usb/core/hub.c:5913
process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3319 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
kthread+0x3c2/0x780 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
INFO: task syz.0.828:8811 blocked for more than 144 seconds.
Not tainted 6.15.0-rc2-syzkaller-00488-g6fea5fabd332 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.828 state:D stack:27304 pid:8811 tgid:8804 ppid:5834 task_flags:0x400140 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x116f/0x5de0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
schedule_timeout+0x257/0x290 kernel/time/sleep_timeout.c:75
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x2fc/0x4e0 kernel/sched/completion.c:116
devtmpfs_submit_req+0xa8/0x100 drivers/base/devtmpfs.c:122
devtmpfs_create_node+0x18a/0x230 drivers/base/devtmpfs.c:153
device_add+0x10bd/0x1a70 drivers/base/core.c:3640
tty_register_device_attr+0x38e/0x7c0 drivers/tty/tty_io.c:3274
rfcomm_dev_add net/bluetooth/rfcomm/tty.c:331 [inline]
__rfcomm_create_dev net/bluetooth/rfcomm/tty.c:424 [inline]
rfcomm_create_dev net/bluetooth/rfcomm/tty.c:485 [inline]
rfcomm_dev_ioctl+0x16be/0x1ca0 net/bluetooth/rfcomm/tty.c:584
rfcomm_sock_ioctl+0xaa/0xd0 net/bluetooth/rfcomm/sock.c:869
sock_do_ioctl+0x115/0x280 net/socket.c:1190
sock_ioctl+0x227/0x6b0 net/socket.c:1311
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:906 [inline]
__se_sys_ioctl fs/ioctl.c:892 [inline]
__x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa27c98e169
RSP: 002b:00007fa27d713038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fa27cbb6160 RCX: 00007fa27c98e169
RDX: 0000200000000100 RSI: 00000000400452c8 RDI: 0000000000000007
RBP: 00007fa27ca10a68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fa27cbb6160 R15: 00007ffde8ff2608
INFO: task syz.0.828:8812 blocked for more than 144 seconds.
Not tainted 6.15.0-rc2-syzkaller-00488-g6fea5fabd332 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.828 state:D stack:28072 pid:8812 tgid:8804 ppid:5834 task_flags:0x400040 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x116f/0x5de0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6917
__mutex_lock_common kernel/locking/mutex.c:678 [inline]
__mutex_lock+0x6c7/0xb90 kernel/locking/mutex.c:746
rfcomm_release_dev net/bluetooth/rfcomm/tty.c:495 [inline]
rfcomm_dev_ioctl+0xe1/0x1ca0 net/bluetooth/rfcomm/tty.c:587
rfcomm_sock_ioctl+0xaa/0xd0 net/bluetooth/rfcomm/sock.c:869
sock_do_ioctl+0x115/0x280 net/socket.c:1190
sock_ioctl+0x227/0x6b0 net/socket.c:1311
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:906 [inline]
__se_sys_ioctl fs/ioctl.c:892 [inline]
__x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa27c98e169
RSP: 002b:00007fa27a3f4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fa27cbb6240 RCX: 00007fa27c98e169
RDX: 0000200000000100 RSI: 00000000400452c9 RDI: 0000000000000006
RBP: 00007fa27ca10a68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fa27cbb6240 R15: 00007ffde8ff2608
INFO: task syz.4.833:8826 blocked for more than 144 seconds.
Not tainted 6.15.0-rc2-syzkaller-00488-g6fea5fabd332 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.833 state:D stack:27112 pid:8826 tgid:8825 ppid:5824 task_flags:0x400140 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x116f/0x5de0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
schedule_timeout+0x257/0x290 kernel/time/sleep_timeout.c:75
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x2fc/0x4e0 kernel/sched/completion.c:116
devtmpfs_submit_req+0xa8/0x100 drivers/base/devtmpfs.c:122
devtmpfs_create_node+0x18a/0x230 drivers/base/devtmpfs.c:153
device_add+0x10bd/0x1a70 drivers/base/core.c:3640
cdev_device_add+0xc2/0x1e0 fs/char_dev.c:556
evdev_connect+0x3a4/0x4c0 drivers/input/evdev.c:1383
input_attach_handler.isra.0+0x181/0x260 drivers/input/input.c:993
input_register_device+0xa84/0x1130 drivers/input/input.c:2412
uinput_create_device drivers/input/misc/uinput.c:365 [inline]
uinput_ioctl_handler.isra.0+0x1357/0x1df0 drivers/input/misc/uinput.c:918
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:906 [inline]
__se_sys_ioctl fs/ioctl.c:892 [inline]
__x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8f1718e169
RSP: 002b:00007f8f17f23038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f8f173b5fa0 RCX: 00007f8f1718e169
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000006
RBP: 00007f8f17210a68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8f173b5fa0 R15: 00007ffc446d1228
Showing all locks held in the system:
2 locks held by kdevtmpfs/26:
#0: ffff88801c6d8950 (&type->i_mutex_dir_key/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:902 [inline]
#0: ffff88801c6d8950 (&type->i_mutex_dir_key/1){+.+.}-{4:4}, at: __kern_path_locked+0x132/0x2a0 fs/namei.c:2765
#1: ffffffff8eef4368 (major_names_lock){+.+.}-{4:4}, at: blk_probe_dev+0x25/0x1a0 block/genhd.c:820
1 lock held by khungtaskd/31:
#0: ffffffff8e3bf5c0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#0: ffffffff8e3bf5c0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#0: ffffffff8e3bf5c0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 kernel/locking/lockdep.c:6764
3 locks held by kworker/u8:2/36:
3 locks held by kworker/u8:5/83:
#0: ffff88814cf83948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3213
#1: ffffc900015c7d18 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3214
#2: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#2: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4735
3 locks held by kworker/1:2/972:
#0: ffff88801e2fed48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3213
#1: ffffc90003777d18 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3214
#2: ffff8880295a9198 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:922 [inline]
#2: ffff8880295a9198 (&dev->mutex){....}-{4:4}, at: hub_event+0x1c0/0x4fa0 drivers/usb/core/hub.c:5859
3 locks held by kworker/0:2/975:
#0: ffff88801e2fed48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3213
#1: ffffc900037a7d18 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3214
#2: ffff888029591198 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:922 [inline]
#2: ffff888029591198 (&dev->mutex){....}-{4:4}, at: hub_event+0x1c0/0x4fa0 drivers/usb/core/hub.c:5859
1 lock held by klogd/5186:
#0: ffff8880b8539dd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:605
2 locks held by getty/5575:
#0: ffff888036a820a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900036be2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 drivers/tty/n_tty.c:2222
2 locks held by kworker/1:6/5875:
#0: ffff88801e2ff948 ((wq_completion)md_misc){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3213
#1: ffffc90003147d18 ((work_completion)(&mddev->del_work)){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3214
3 locks held by kworker/0:4/5904:
#0: ffff88801b478d48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3213
#1: ffffc90003107d18 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3214
#2: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104
3 locks held by kworker/1:8/5909:
#0: ffff88801e2fed48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3213
#1: ffffc900042afd18 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3214
#2: ffff8880296b9198 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:922 [inline]
#2: ffff8880296b9198 (&dev->mutex){....}-{4:4}, at: hub_event+0x1c0/0x4fa0 drivers/usb/core/hub.c:5859
3 locks held by kworker/u8:10/7719:
#0: ffff88801b481148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3213
#1: ffffc90003affd18 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3214
#2: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x51/0xc0 net/core/link_watch.c:303
1 lock held by syz.0.828/8811:
#0: ffffffff903c9008 (rfcomm_ioctl_mutex){+.+.}-{4:4}, at: rfcomm_create_dev net/bluetooth/rfcomm/tty.c:484 [inline]
#0: ffffffff903c9008 (rfcomm_ioctl_mutex){+.+.}-{4:4}, at: rfcomm_dev_ioctl+0x90a/0x1ca0 net/bluetooth/rfcomm/tty.c:584
1 lock held by syz.0.828/8812:
#0: ffffffff903c9008 (rfcomm_ioctl_mutex){+.+.}-{4:4}, at: rfcomm_release_dev net/bluetooth/rfcomm/tty.c:495 [inline]
#0: ffffffff903c9008 (rfcomm_ioctl_mutex){+.+.}-{4:4}, at: rfcomm_dev_ioctl+0xe1/0x1ca0 net/bluetooth/rfcomm/tty.c:587
2 locks held by syz.4.833/8826:
#0: ffff888064fc4870 (&newdev->mutex){+.+.}-{4:4}, at: uinput_ioctl_handler.isra.0+0xcb/0x1df0 drivers/input/misc/uinput.c:899
#1: ffffffff8f9650e8 (input_mutex){+.+.}-{4:4}, at: class_mutex_intr_constructor include/linux/mutex.h:203 [inline]
#1: ffffffff8f9650e8 (input_mutex){+.+.}-{4:4}, at: input_register_device+0x98a/0x1130 drivers/input/input.c:2408
2 locks held by syz-executor/8973:
#0: ffffffff90868640 (&ops->srcu#2){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:161 [inline]
#0: ffffffff90868640 (&ops->srcu#2){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:253 [inline]
#0: ffffffff90868640 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x113/0x2c0 net/core/rtnetlink.c:574
#1: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline]
#1: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline]
#1: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x600/0x2000 net/core/rtnetlink.c:4064
1 lock held by syz-executor/8990:
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x1540 net/ipv4/devinet.c:979
1 lock held by syz.3.885/9015:
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: ipv6_route_ioctl+0x3d7/0x5d0 net/ipv6/route.c:4520
1 lock held by syz.2.901/9063:
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: do_ip_setsockopt+0xf6/0x3240 net/ipv4/ip_sockglue.c:1077
2 locks held by syz.1.903/9070:
#0: ffffffff901ccf10 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218
#1: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: nl80211_pre_doit+0xb4/0xb10 net/wireless/nl80211.c:16693
1 lock held by syz-executor/9072:
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x1540 net/ipv4/devinet.c:979
1 lock held by syz-executor/9075:
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x1540 net/ipv4/devinet.c:979
1 lock held by syz-executor/9078:
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x1540 net/ipv4/devinet.c:979
1 lock held by syz-executor/9086:
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x1540 net/ipv4/devinet.c:979
1 lock held by syz-executor/9089:
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x1540 net/ipv4/devinet.c:979
1 lock held by syz-executor/9092:
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x1540 net/ipv4/devinet.c:979
1 lock held by syz-executor/9095:
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x1540 net/ipv4/devinet.c:979
1 lock held by syz-executor/9098:
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x1540 net/ipv4/devinet.c:979
1 lock held by syz-executor/9101:
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x1540 net/ipv4/devinet.c:979
1 lock held by syz-executor/9104:
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff9012ae68 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x1540 net/ipv4/devinet.c:979
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.15.0-rc2-syzkaller-00488-g6fea5fabd332 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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:158 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:274 [inline]
watchdog+0xf70/0x12c0 kernel/hung_task.c:437
kthread+0x3c2/0x780 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 78 Comm: kworker/u8:4 Not tainted 6.15.0-rc2-syzkaller-00488-g6fea5fabd332 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:158 [inline]
RIP: 0010:lock_acquire kernel/locking/lockdep.c:5869 [inline]
RIP: 0010:lock_acquire+0x1aa/0x350 kernel/locking/lockdep.c:5823
Code: 48 83 c4 28 e8 67 7b da 09 b8 ff ff ff ff 65 0f c1 05 22 ec 0e 12 83 f8 01 0f 85 6a 01 00 00 9c 58 f6 c4 02 0f 85 7f 01 00 00 <48> 83 3c 24 00 0f 84 ad fe ff ff fb e9 a7 fe ff ff 65 8b 05 f6 eb
RSP: 0018:ffffc900015874a0 EFLAGS: 00000046
RAX: 0000000000000046 RBX: ffffffff8e3bf5c0 RCX: 00000000c5e033ec
RDX: 0000000000000000 RSI: ffffffff8dbca29f RDI: ffffffff8bf46540
RBP: 0000000000000002 R08: 6eef5494e9c424c0 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881249b2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcc8c3ed6c CR3: 000000000e180000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
rcu_read_lock include/linux/rcupdate.h:841 [inline]
class_rcu_constructor include/linux/rcupdate.h:1155 [inline]
unwind_next_frame+0xd1/0x20a0 arch/x86/kernel/unwind_orc.c:479
arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:576
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x51/0x70 mm/kasan/common.c:264
kasan_slab_free include/linux/kasan.h:233 [inline]
slab_free_hook mm/slub.c:2398 [inline]
slab_free mm/slub.c:4656 [inline]
kfree+0x2b6/0x4d0 mm/slub.c:4855
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1582 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1a92/0x2fd0 net/mac80211/ibss.c:1608
ieee80211_iface_process_skb net/mac80211/iface.c:1625 [inline]
ieee80211_iface_work+0xbf4/0x1020 net/mac80211/iface.c:1679
cfg80211_wiphy_work+0x3dc/0x550 net/wireless/core.c:435
process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3319 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
kthread+0x3c2/0x780 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245