INFO: task kworker/0:8:8612 blocked for more than 143 seconds.
Not tainted 5.15.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:8 state:D stack:24816 pid: 8612 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4969 [inline]
__schedule+0xb72/0x1460 kernel/sched/core.c:6250
schedule+0x12b/0x1f0 kernel/sched/core.c:6323
usb_kill_urb+0x1d5/0x310 drivers/usb/core/urb.c:720
usb_start_wait_urb+0x265/0x530 drivers/usb/core/message.c:64
usb_internal_control_msg drivers/usb/core/message.c:102 [inline]
usb_control_msg+0x2a5/0x4b0 drivers/usb/core/message.c:153
hub_port_init+0x9f1/0x2df0 drivers/usb/core/hub.c:4829
hub_port_connect+0xcf8/0x27d0 drivers/usb/core/hub.c:5280
hub_port_connect_change+0x5f9/0xc20 drivers/usb/core/hub.c:5488
port_event+0xb67/0x1220 drivers/usb/core/hub.c:5634
hub_event+0x4ed/0xe40 drivers/usb/core/hub.c:5716
process_one_work+0x853/0x1140 kernel/workqueue.c:2298
worker_thread+0xac1/0x1320 kernel/workqueue.c:2445
kthread+0x468/0x490 kernel/kthread.c:327
ret_from_fork+0x1f/0x30
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8cb1d900 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
1 lock held by in:imklog/6177:
5 locks held by kworker/0:8/8612:
#0: ffff8881429bc538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7ca/0x1140
#1: ffffc90017ac7d20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x808/0x1140 kernel/workqueue.c:2273
#2: ffff88814821f220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#2: ffff88814821f220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1b2/0xe40 drivers/usb/core/hub.c:5662
#3: ffff88814823b5c0 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3086 [inline]
#3: ffff88814823b5c0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect+0xce1/0x27d0 drivers/usb/core/hub.c:5279
#4: ffff8881481e3168 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1ef/0x2df0 drivers/usb/core/hub.c:4703
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.0-syzkaller #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+0x1dc/0x2d8 lib/dump_stack.c:106
nmi_cpu_backtrace+0x45f/0x490 lib/nmi_backtrace.c:105
nmi_trigger_cpumask_backtrace+0x16a/0x280 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xc82/0xcd0 kernel/hung_task.c:295
kthread+0x468/0x490 kernel/kthread.c:327
ret_from_fork+0x1f/0x30
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 16326 Comm: syz-executor.1 Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:_raw_spin_unlock_irqrestore+0xa/0x130 kernel/locking/spinlock.c:193
Code: ac 08 56 f7 65 8b 05 dd 8c fe 75 85 c0 74 02 5b c3 0f 1f 44 00 00 5b c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 <41> 54 53 48 83 e4 e0 48 83 ec 60 49 89 f7 48 89 fb 65 48 8b 04 25
RSP: 0018:ffffc90000006ef8 EFLAGS: 00000046
RAX: ffffffff81aaad80 RBX: 0000000000000001 RCX: ffff88815ad79d00
RDX: 0000000000010103 RSI: 0000000000000046 RDI: ffff8880b9a2a240
RBP: ffffc90000006f10 R08: ffffffff843be2c4 R09: fffffbfff1bfa676
R10: fffffbfff1bfa676 R11: 0000000000000000 R12: ffff8880b9a2a240
R13: dffffc0000000000 R14: ffff8880b9a2a308 R15: ffff88814e5518e8
FS: 00007f7254e66700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc1967eb28 CR3: 000000015d8e3000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__run_hrtimer kernel/time/hrtimer.c:1681 [inline]
__hrtimer_run_queues+0x487/0xa60 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x3b3/0x1040 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
__sysvec_apic_timer_interrupt+0xf9/0x270 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:rcu_preempt_read_exit kernel/rcu/tree_plugin.h:380 [inline]
RIP: 0010:__rcu_read_unlock+0x8f/0x650 kernel/rcu/tree_plugin.h:419
Code: 00 66 43 c7 44 35 09 f3 f3 43 c6 44 35 0b f3 65 48 8b 14 25 c0 6f 02 00 4c 8d ba 3c 04 00 00 4d 89 fc 49 c1 ec 03 43 8a 04 34 <84> c0 0f 85 5f 04 00 00 41 8b 1f ff cb 43 8a 04 34 84 c0 0f 85 72
RSP: 0018:ffffc900000072c0 EFLAGS: 00000a07
RAX: f2f2f200f1f1f100 RBX: 0000000000000000 RCX: ffff88815ad79d00
RDX: ffff88815ad79d00 RSI: 0000000000000103 RDI: 0000000000000000
RBP: ffffc900000073a8 R08: ffffffff81910398 R09: fffffbfff1feebdd
R10: fffffbfff1feebdd R11: 0000000000000000 R12: 1ffff1102b5af427
R13: 1ffff92000000e60 R14: dffffc0000000000 R15: ffff88815ad7a13c
rcu_read_unlock include/linux/rcupdate.h:720 [inline]
is_bpf_text_address+0x247/0x270 kernel/bpf/core.c:710
kernel_text_address kernel/extable.c:151 [inline]
__kernel_text_address+0x93/0x100 kernel/extable.c:105
unwind_get_return_address+0x48/0x80 arch/x86/kernel/unwind_orc.c:318
arch_stack_walk+0xf8/0x140 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x11b/0x1e0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track mm/kasan/common.c:46 [inline]
set_alloc_info mm/kasan/common.c:434 [inline]
__kasan_slab_alloc+0xb6/0xf0 mm/kasan/common.c:467
kasan_slab_alloc include/linux/kasan.h:259 [inline]
slab_post_alloc_hook mm/slab.h:519 [inline]
slab_alloc_node mm/slub.c:3234 [inline]
kmem_cache_alloc_node+0x201/0x370 mm/slub.c:3270
__alloc_skb+0xd8/0x5a0 net/core/skbuff.c:414
skb_copy+0xe8/0x750 net/core/skbuff.c:1586
mac80211_hwsim_tx_frame_no_nl+0xd8b/0x1770 drivers/net/wireless/mac80211_hwsim.c:1565
mac80211_hwsim_tx_frame+0x1cb/0x220 drivers/net/wireless/mac80211_hwsim.c:1784
mac80211_hwsim_beacon_tx+0x46c/0x890 drivers/net/wireless/mac80211_hwsim.c:1838
__iterate_interfaces+0x23e/0x480 net/mac80211/util.c:793
ieee80211_iterate_active_interfaces_atomic+0x9b/0x120 net/mac80211/util.c:829
mac80211_hwsim_beacon+0x9f/0x180 drivers/net/wireless/mac80211_hwsim.c:1861
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x50b/0xa60 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x1b7/0x5d0 kernel/time/hrtimer.c:1766
__do_softirq+0x392/0x7a3 kernel/softirq.c:558
__irq_exit_rcu+0xec/0x170 kernel/softirq.c:636
irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline]
RIP: 0010:smp_call_function_many_cond+0xbb7/0xda0 kernel/smp.c:969
Code: e8 be b7 0b 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 0e e8 99 b3 0b 00 eb 4c 0f 1f 80 00 00 00 00 f3 90 42 0f b6 04 3b <84> c0 75 11 41 f7 45 00 01 00 00 00 74 2b e8 76 b3 0b 00 eb e4 44
RSP: 0018:ffffc900186a6f60 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 1ffff11017367ef1 RCX: ffff88815ad79d00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900186a70a0 R08: ffffffff817898b2 R09: ffffffff843959c0
R10: 0000000000000009 R11: ffff88815ad79d00 R12: 0000000000000001
R13: ffff8880b9b3f788 R14: ffff8880b9a3a600 R15: dffffc0000000000
on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1135
__purge_vmap_area_lazy+0x2bf/0x18e0 mm/vmalloc.c:1687
_vm_unmap_aliases+0x474/0x500 mm/vmalloc.c:2111
change_page_attr_set_clr+0x2ae/0x6a0 arch/x86/mm/pat/set_memory.c:1743
change_page_attr_clear arch/x86/mm/pat/set_memory.c:1800 [inline]
set_memory_ro+0xa4/0xe0 arch/x86/mm/pat/set_memory.c:1946
bpf_jit_binary_lock_ro include/linux/filter.h:892 [inline]
bpf_int_jit_compile+0xa50b/0xaad0 arch/x86/net/bpf_jit_comp.c:2320
bpf_prog_select_runtime+0x6de/0x9f0 kernel/bpf/core.c:1923
bpf_prog_load kernel/bpf/syscall.c:2333 [inline]
__sys_bpf+0x117c9/0x12d00 kernel/bpf/syscall.c:4618
__do_sys_bpf kernel/bpf/syscall.c:4722 [inline]
__se_sys_bpf kernel/bpf/syscall.c:4720 [inline]
__x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4720
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f72578f0ae9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7254e66188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f7257a03f60 RCX: 00007f72578f0ae9
RDX: 0000000000000048 RSI: 00000000200054c0 RDI: 0000000000000005
RBP: 00007f725794af45 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffce016836f R14: 00007f7254e66300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: ac lods %ds:(%rsi),%al
1: 08 56 f7 or %dl,-0x9(%rsi)
4: 65 8b 05 dd 8c fe 75 mov %gs:0x75fe8cdd(%rip),%eax # 0x75fe8ce8
b: 85 c0 test %eax,%eax
d: 74 02 je 0x11
f: 5b pop %rbx
10: c3 retq
11: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
16: 5b pop %rbx
17: c3 retq
18: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1)
1f: 00
20: 55 push %rbp
21: 48 89 e5 mov %rsp,%rbp
24: 41 57 push %r15
26: 41 56 push %r14
28: 41 55 push %r13
* 2a: 41 54 push %r12 <-- trapping instruction
2c: 53 push %rbx
2d: 48 83 e4 e0 and $0xffffffffffffffe0,%rsp
31: 48 83 ec 60 sub $0x60,%rsp
35: 49 89 f7 mov %rsi,%r15
38: 48 89 fb mov %rdi,%rbx
3b: 65 gs
3c: 48 rex.W
3d: 8b .byte 0x8b
3e: 04 25 add $0x25,%al