INFO: task kworker/0:9:6123 blocked for more than 143 seconds.
Not tainted 5.18.0-rc4-syzkaller-00064-g8f4dd16603ce #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:9 state:D stack:18264 pid: 6123 ppid: 2 flags:0x00004000
Workqueue: events request_firmware_work_func
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0x939/0xea0 kernel/sched/core.c:6388
schedule+0xeb/0x1b0 kernel/sched/core.c:6460
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6519
__mutex_lock_common+0xecf/0x26e0 kernel/locking/mutex.c:673
__mutex_lock kernel/locking/mutex.c:733 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:785
device_lock include/linux/device.h:767 [inline]
ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1136 [inline]
ath9k_hif_usb_firmware_cb+0x36b/0x4e0 drivers/net/wireless/ath/ath9k/hif_usb.c:1269
request_firmware_work_func+0x198/0x270 drivers/base/firmware_loader/main.c:1022
process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30
INFO: task kworker/0:10:6125 blocked for more than 143 seconds.
Not tainted 5.18.0-rc4-syzkaller-00064-g8f4dd16603ce #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:10 state:D stack:20344 pid: 6125 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0x939/0xea0 kernel/sched/core.c:6388
schedule+0xeb/0x1b0 kernel/sched/core.c:6460
schedule_timeout+0xac/0x300 kernel/time/timer.c:1860
do_wait_for_common+0x3ea/0x560 kernel/sched/completion.c:85
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x46/0x60 kernel/sched/completion.c:138
flush_workqueue+0x76a/0x16a0 kernel/workqueue.c:2861
hif_detach_htc drivers/net/wireless/ath/ath6kl/usb.c:861 [inline]
ath6kl_usb_power_off+0x34/0x40 drivers/net/wireless/ath/ath6kl/usb.c:1060
ath6kl_hif_power_off drivers/net/wireless/ath/ath6kl/hif-ops.h:143 [inline]
ath6kl_core_init+0xabd/0x1110 drivers/net/wireless/ath/ath6kl/core.c:257
ath6kl_usb_probe+0x1216/0x1310 drivers/net/wireless/ath/ath6kl/usb.c:1160
usb_probe_interface+0x66e/0xb60 drivers/usb/core/driver.c:396
call_driver_probe+0x96/0x250
really_probe+0x222/0x8e0 drivers/base/dd.c:621
__driver_probe_device+0x1f4/0x3f0 drivers/base/dd.c:752
driver_probe_device+0x50/0x240 drivers/base/dd.c:782
__device_attach_driver+0x254/0x3a0 drivers/base/dd.c:899
bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427
__device_attach+0x32e/0x570 drivers/base/dd.c:970
bus_probe_device+0xb8/0x1f0 drivers/base/bus.c:487
device_add+0xb20/0xf90 drivers/base/core.c:3405
usb_set_configuration+0x1a5f/0x20e0 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0x83/0x140 drivers/usb/core/generic.c:238
usb_probe_device+0x131/0x260 drivers/usb/core/driver.c:293
call_driver_probe+0x96/0x250
really_probe+0x222/0x8e0 drivers/base/dd.c:621
__driver_probe_device+0x1f4/0x3f0 drivers/base/dd.c:752
driver_probe_device+0x50/0x240 drivers/base/dd.c:782
__device_attach_driver+0x254/0x3a0 drivers/base/dd.c:899
bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427
__device_attach+0x32e/0x570 drivers/base/dd.c:970
bus_probe_device+0xb8/0x1f0 drivers/base/bus.c:487
device_add+0xb20/0xf90 drivers/base/core.c:3405
usb_new_device+0xbfc/0x18a0 drivers/usb/core/hub.c:2566
hub_port_connect+0x106b/0x2930 drivers/usb/core/hub.c:5363
hub_port_connect_change+0x619/0xbe0 drivers/usb/core/hub.c:5507
port_event+0xe72/0x13a0 drivers/usb/core/hub.c:5665
hub_event+0x5be/0xd70 drivers/usb/core/hub.c:5747
process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30
Showing all locks held in the system:
1 lock held by khungtaskd/28:
#0: ffffffff8cb1afe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by kworker/u4:5/1038:
4 locks held by kworker/1:3/3259:
#0: ffff888145958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262
#1: ffffc900031afd00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
#2: ffff88801f0fd220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff88801f0fd220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1bf/0xd70 drivers/usb/core/hub.c:5693
#3: ffff8880b9b39c18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:554
2 locks held by getty/3274:
#0: ffff888148d6a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc90002ce62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ad/0x1c90 drivers/tty/n_tty.c:2075
5 locks held by kworker/0:7/3684:
#0: ffff888145958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262
#1: ffffc90003edfd00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
#2: ffff888148edd220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff888148edd220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1bf/0xd70 drivers/usb/core/hub.c:5693
#3: ffff88802aa5b220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff88802aa5b220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x570 drivers/base/dd.c:945
#4: ffff8880293a31a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff8880293a31a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x570 drivers/base/dd.c:945
2 locks held by kworker/1:8/3704:
#0: ffff888011466538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262
#1: ffffc90003f3fd00 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
3 locks held by udevd/3928:
#0: ffff888023c36488 (&of->mutex){+.+.}-{3:3}, at: kernfs_file_read_iter fs/kernfs/file.c:198 [inline]
#0: ffff888023c36488 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_read_iter+0x19b/0x580 fs/kernfs/file.c:237
#1: ffff88806ddcd830 (kn->active#86){++++}-{0:0}, at: kernfs_file_read_iter fs/kernfs/file.c:199 [inline]
#1: ffff88806ddcd830 (kn->active#86){++++}-{0:0}, at: kernfs_fop_read_iter+0x1b3/0x580 fs/kernfs/file.c:237
#2: ffff88802aa5b220 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:772 [inline]
#2: ffff88802aa5b220 (&dev->mutex){....}-{3:3}, at: read_descriptors+0x30/0x390 drivers/usb/core/sysfs.c:873
3 locks held by udevd/4259:
#0: ffff88807edd9088 (&of->mutex){+.+.}-{3:3}, at: kernfs_file_read_iter fs/kernfs/file.c:198 [inline]
#0: ffff88807edd9088 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_read_iter+0x19b/0x580 fs/kernfs/file.c:237
#1: ffff8880751ccae8 (kn->active#86){++++}-{0:0}, at: kernfs_file_read_iter fs/kernfs/file.c:199 [inline]
#1: ffff8880751ccae8 (kn->active#86){++++}-{0:0}, at: kernfs_fop_read_iter+0x1b3/0x580 fs/kernfs/file.c:237
#2: ffff88802adad220 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:772 [inline]
#2: ffff88802adad220 (&dev->mutex){....}-{3:3}, at: read_descriptors+0x30/0x390 drivers/usb/core/sysfs.c:873
3 locks held by kworker/0:9/6123:
#0: ffff888011464d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262
#1: ffffc90002d8fd00 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
#2: ffff88801f475220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff88801f475220 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1136 [inline]
#2: ffff88801f475220 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_cb+0x36b/0x4e0 drivers/net/wireless/ath/ath9k/hif_usb.c:1269
5 locks held by kworker/0:10/6125:
#0: ffff888145958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262
#1: ffffc90002bffd00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
#2: ffff88801f475220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff88801f475220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1bf/0xd70 drivers/usb/core/hub.c:5693
#3: ffff88802adad220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff88802adad220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x570 drivers/base/dd.c:945
#4: ffff88802adac1a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff88802adac1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x570 drivers/base/dd.c:945
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.18.0-rc4-syzkaller-00064-g8f4dd16603ce #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x473/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x168/0x280 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xcf9/0xd40 kernel/hung_task.c:369
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1038 Comm: kworker/u4:5 Not tainted 5.18.0-rc4-syzkaller-00064-g8f4dd16603ce #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy6 ieee80211_iface_work
RIP: 0010:lockdep_recursion_inc kernel/locking/lockdep.c:431 [inline]
RIP: 0010:lock_release+0x134/0x870 kernel/locking/lockdep.c:5660
Code: 84 24 b0 00 00 00 00 00 00 00 9c 8f 84 24 b0 00 00 00 42 80 3c 23 00 74 08 4c 89 f7 e8 e5 d4 6f 00 4c 8b ac 24 b0 00 00 00 fa <48> c7 c7 80 12 8d 8a e8 d0 56 b1 08 65 ff 05 79 68 9b 7e 48 8d 94
RSP: 0018:ffffc900047bf840 EFLAGS: 00000046
RAX: 1ffff11003b81800 RBX: 1ffff920008f7f1e RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8a8d1720 RDI: ffffffff8ae88b60
RBP: ffffc900047bf970 R08: dffffc0000000000 R09: fffffbfff1c0185e
R10: fffffbfff1c0185e R11: 1ffffffff1c0185d R12: dffffc0000000000
R13: 0000000000000246 R14: ffffc900047bf8f0 R15: 1ffff920008f7f14
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556177888 CR3: 000000001655a000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__mutex_unlock_slowpath+0x104/0x7b0 kernel/locking/mutex.c:893
sdata_unlock net/mac80211/ieee80211_i.h:1046 [inline]
ieee80211_ibss_work+0xb88/0x1510 net/mac80211/ibss.c:1717
process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30
----------------
Code disassembly (best guess):
0: 84 24 b0 test %ah,(%rax,%rsi,4)
3: 00 00 add %al,(%rax)
5: 00 00 add %al,(%rax)
7: 00 00 add %al,(%rax)
9: 00 9c 8f 84 24 b0 00 add %bl,0xb02484(%rdi,%rcx,4)
10: 00 00 add %al,(%rax)
12: 42 80 3c 23 00 cmpb $0x0,(%rbx,%r12,1)
17: 74 08 je 0x21
19: 4c 89 f7 mov %r14,%rdi
1c: e8 e5 d4 6f 00 callq 0x6fd506
21: 4c 8b ac 24 b0 00 00 mov 0xb0(%rsp),%r13
28: 00
29: fa cli
* 2a: 48 c7 c7 80 12 8d 8a mov $0xffffffff8a8d1280,%rdi <-- trapping instruction
31: e8 d0 56 b1 08 callq 0x8b15706
36: 65 ff 05 79 68 9b 7e incl %gs:0x7e9b6879(%rip) # 0x7e9b68b6
3d: 48 rex.W
3e: 8d .byte 0x8d
3f: 94 xchg %eax,%esp