INFO: task kworker/1:0:24 blocked for more than 143 seconds.
Not tainted 6.12.0-rc6-syzkaller-00103-g226ff2e681d0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0 state:D
stack:20464 pid:24 tgid:24 ppid:2 flags:0x00004000
Workqueue: events request_firmware_work_func
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x1042/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
device_lock include/linux/device.h:1014 [inline]
ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1161 [inline]
ath9k_hif_usb_firmware_cb+0x3b1/0x620 drivers/net/wireless/ath/ath9k/hif_usb.c:1294
request_firmware_work_func+0x13a/0x250 drivers/base/firmware_loader/main.c:1197
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task udevd:5358 blocked for more than 144 seconds.
Not tainted 6.12.0-rc6-syzkaller-00103-g226ff2e681d0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D
stack:24064 pid:5358 tgid:5358 ppid:2859 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x1042/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
device_lock include/linux/device.h:1014 [inline]
uevent_show+0x188/0x3b0 drivers/base/core.c:2736
dev_attr_show+0x53/0xe0 drivers/base/core.c:2430
sysfs_kf_seq_show+0x23e/0x410 fs/sysfs/file.c:59
seq_read_iter+0x4f4/0x12b0 fs/seq_file.c:230
kernfs_fop_read_iter+0x414/0x580 fs/kernfs/file.c:279
new_sync_read fs/read_write.c:488 [inline]
vfs_read+0x87f/0xbe0 fs/read_write.c:569
ksys_read+0x12f/0x260 fs/read_write.c:712
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5784fe6b6a
RSP: 002b:00007ffcc611b1f8 EFLAGS: 00000246
ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000055c772a8dc60 RCX: 00007f5784fe6b6a
RDX: 0000000000001000 RSI: 000055c772b44050 RDI: 0000000000000008
RBP: 000055c772a8dc60 R08: 0000000000000008 R09: 0000000000000010
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007ffcc611b6d8 R15: 000000000000000a
Showing all locks held in the system:
2 locks held by rcu_preempt/16:
3 locks held by kworker/1:0/24:
#0:
ffff888100080948
(
(wq_completion)events
){+.+.}-{0:0}
, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1: ffffc9000019fd80
(
(work_completion)(&fw_work->work)
){+.+.}-{0:0}
, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2:
ffff88810af28190 (
&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:1014 [inline]
, at: ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1161 [inline]
, at: ath9k_hif_usb_firmware_cb+0x3b1/0x620 drivers/net/wireless/ath/ath9k/hif_usb.c:1294
1 lock held by khungtaskd/30:
#0:
ffffffff88ebb140 (
rcu_read_lock){....}-{1:2}
, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6720
2 locks held by getty/2917:
#0:
ffff88810aaf60a0 (
&tty->ldisc_sem
){++++}-{0:0}
, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900000432f0
(
&ldata->atomic_read_lock){+.+.}-{3:3}
, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211
2 locks held by kworker/1:4/5328:
4 locks held by udevd/5358:
#0:
ffff88810e37ad58
(&p->lock
){+.+.}-{3:3}
, at: seq_read_iter+0xd8/0x12b0 fs/seq_file.c:182
#1:
ffff88810bf19888 (
&of->mutex){+.+.}-{3:3}
, at: kernfs_seq_start+0x4d/0x240 fs/kernfs/file.c:154
#2: ffff8881148c6788 (kn->active
){++++}-{0:0}, at: kernfs_seq_start+0x71/0x240 fs/kernfs/file.c:155
#3: ffff8881253d9190
(
&dev->mutex){....}-{3:3}
, at: device_lock include/linux/device.h:1014 [inline]
, at: uevent_show+0x188/0x3b0 drivers/base/core.c:2736
6 locks held by kworker/1:5/5393:
8 locks held by kworker/1:6/10796:
5 locks held by kworker/u8:0/21939:
#0:
ffff888100abb148 (
(wq_completion)netns){+.+.}-{0:0}
, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1:
ffffc90002527d80
(net_cleanup_work
){+.+.}-{0:0}
, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2:
ffffffff8a18d750
(
pernet_ops_rwsem
){++++}-{3:3}
, at: cleanup_net+0xbb/0xb40 net/core/net_namespace.c:580
#3:
ffffffff8a1a30a8
(
rtnl_mutex){+.+.}-{3:3}
, at: default_device_exit_batch+0x8c/0xae0 net/core/dev.c:11938
#4: ffffffff88ec6a38
(
rcu_state.exp_mutex
){+.+.}-{3:3}
, at: exp_funnel_lock+0x282/0x3b0 kernel/rcu/tree_exp.h:297
3 locks held by kworker/u8:2/25498:
#0: ffff888111c82948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}
, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1: ffffc9000528fd80 (
(work_completion)(&(&net->ipv6.addr_chk_work)->work)
){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffffffff8a1a30a8 (rtnl_mutex){+.+.}-{3:3}
, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4736
1 lock held by syz-executor/4994:
#0:
ffffffff8a1a30a8 (
rtnl_mutex){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
, at: __rtnl_newlink+0x65a/0x1920 net/core/rtnetlink.c:3749
1 lock held by syz-executor/5007:
#0: ffffffff8a1a30a8
(rtnl_mutex
){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
, at: __rtnl_newlink+0x65a/0x1920 net/core/rtnetlink.c:3749
2 locks held by syz-executor/5011:
#0:
ffffffff8a18d750 (
pernet_ops_rwsem){++++}-{3:3}
, at: copy_net_ns+0x292/0x6b0 net/core/net_namespace.c:490
#1:
ffffffff8a1a30a8
(rtnl_mutex
){+.+.}-{3:3}
, at: setup_net+0x40b/0x860 net/core/net_namespace.c:378
1 lock held by syz-executor/5013:
#0:
ffffffff8a1a30a8 (
rtnl_mutex){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672
2 locks held by syz-executor/5017:
#0: ffffffff8a18d750
(pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x292/0x6b0 net/core/net_namespace.c:490
#1:
ffffffff8a1a30a8
(rtnl_mutex){+.+.}-{3:3}
, at: setup_net+0x40b/0x860 net/core/net_namespace.c:378
1 lock held by syz-executor/5048:
#0: ffffffff8a1a30a8
(rtnl_mutex
){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672
1 lock held by syz-executor/5055:
#0:
ffffffff8a1a30a8 (
rtnl_mutex){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672
1 lock held by syz-executor/5057:
#0:
ffffffff8a1a30a8
(rtnl_mutex
){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672
1 lock held by syz-executor/5060:
#0: ffffffff8a1a30a8
(
rtnl_mutex
){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672
1 lock held by syz-executor/5064:
#0:
ffffffff8a1a30a8
(
rtnl_mutex){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672
1 lock held by syz-executor/5070:
#0:
ffffffff8a1a30a8
(rtnl_mutex
){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672
1 lock held by syz-executor/5077:
#0:
ffffffff8a1a30a8
(rtnl_mutex
){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672
1 lock held by syz-executor/5079:
#0:
ffffffff8a1a30a8
(rtnl_mutex
){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672
1 lock held by syz-executor/5082:
#0:
ffffffff8a1a30a8 (
rtnl_mutex){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672
1 lock held by syz-executor/5085:
#0:
ffffffff8a1a30a8 (
rtnl_mutex){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc6-syzkaller-00103-g226ff2e681d0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xf0c/0x1240 kernel/hung_task.c:379
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
imon 4-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 10796 Comm: kworker/1:6 Not tainted 6.12.0-rc6-syzkaller-00103-g226ff2e681d0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:io_serial_out+0x8f/0xb0 drivers/tty/serial/8250/8250_port.c:413
Code: 48 8d 7d 40 44 89 e1 48 b8 00 00 00 00 00 fc ff df 48 89 fa d3 e3 48 c1 ea 03 80 3c 02 00 75 1c 66 03 5d 40 44 89 e8 89 da ee <5b> 5d 41 5c 41 5d c3 cc cc cc cc e8 11 e5 0d ff eb a0 e8 9a e5 0d
RSP: 0018:ffffc900001b8500 EFLAGS: 00000002
RAX: 0000000000000020 RBX: 00000000000003f8 RCX: 0000000000000000
RDX: 00000000000003f8 RSI: ffffffff82a096d5 RDI: ffffffff936396a0
RBP: ffffffff93639660 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000020 R14: ffffffff82a09670 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881f5900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c61fffc CR3: 0000000116f6a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
serial_out drivers/tty/serial/8250/8250.h:142 [inline]
serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3322 [inline]
serial8250_console_write+0xf9e/0x17c0 drivers/tty/serial/8250/8250_port.c:3393
console_emit_next_record kernel/printk/printk.c:3092 [inline]
console_flush_all+0x800/0xc60 kernel/printk/printk.c:3180
__console_flush_and_unlock kernel/printk/printk.c:3239 [inline]
console_unlock+0xd9/0x210 kernel/printk/printk.c:3279
vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2407
dev_vprintk_emit drivers/base/core.c:4942 [inline]
dev_printk_emit+0xfb/0x140 drivers/base/core.c:4953
__dev_printk+0xf5/0x270 drivers/base/core.c:4965
_dev_warn+0xe5/0x120 drivers/base/core.c:5009
usb_rx_callback_intf0+0x11c/0x1a0 drivers/media/rc/imon.c:1768
__usb_hcd_giveback_urb+0x389/0x6e0 drivers/usb/core/hcd.c:1650
usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734
dummy_timer+0x17f0/0x3930 drivers/usb/gadget/udc/dummy_hcd.c:1993
__run_hrtimer kernel/time/hrtimer.c:1691 [inline]
__hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1755
hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1772
handle_softirqs+0x206/0x8d0 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu kernel/softirq.c:637 [inline]
irq_exit_rcu+0xac/0x110 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:217 [inline]
RIP: 0010:unwind_next_frame+0x1c8/0x20c0 arch/x86/kernel/unwind_orc.c:494
Code: 56 ff 39 d0 0f 83 09 15 00 00 48 ba 00 00 00 00 00 fc ff df 89 c1 48 8d 3c 8d 9c 5d 23 8b 49 89 f8 49 c1 e8 03 45 0f b6 04 10 <48> 89 fa 83 e2 07 83 c2 03 44 38 c2 7c 2f 45 84 c0 74 2a 48 89 4c
RSP: 0018:ffffc9000f776cb8 EFLAGS: 00000a06
RAX: 0000000000035dcd RBX: 0000000000000001 RCX: 0000000000035dcd
RDX: dffffc0000000000 RSI: 0000000000062001 RDI: ffffffff8b30d4d0
RBP: ffffc9000f776d70 R08: 0000000000000000 R09: ffffffff8adb7efe
R10: ffffc9000f776d28 R11: 0000000000035dcd R12: ffffc9000f776d78
R13: ffffc9000f776d28 R14: ffffc9000f776d5d R15: ffffffff845dcd1f
arch_stack_walk+0x95/0x100 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
__kasan_kmalloc+0x8f/0xa0 mm/kasan/common.c:394
kasan_kmalloc include/linux/kasan.h:257 [inline]
__do_kmalloc_node mm/slub.c:4264 [inline]
__kmalloc_noprof+0x1e3/0x3c0 mm/slub.c:4276
kmalloc_noprof include/linux/slab.h:882 [inline]
kzalloc_noprof include/linux/slab.h:1014 [inline]
rt2x00usb_alloc_reg drivers/net/wireless/ralink/rt2x00/rt2x00usb.c:779 [inline]
rt2x00usb_probe+0x41e/0xad0 drivers/net/wireless/ralink/rt2x00/rt2x00usb.c:829
usb_probe_interface+0x309/0x9d0 drivers/usb/core/driver.c:399
call_driver_probe drivers/base/dd.c:579 [inline]
really_probe+0x23e/0xa90 drivers/base/dd.c:658
__driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
__device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459
__device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534
device_add+0x114b/0x1a70 drivers/base/core.c:3672
usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210
usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254
usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:294
call_driver_probe drivers/base/dd.c:579 [inline]
really_probe+0x23e/0xa90 drivers/base/dd.c:658
__driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
__device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459
__device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534
device_add+0x114b/0x1a70 drivers/base/core.c:3672
usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651
hub_port_connect drivers/usb/core/hub.c:5521 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
port_event drivers/usb/core/hub.c:5821 [inline]
hub_event+0x2e58/0x4f40 drivers/usb/core/hub.c:5903
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244