rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 1-....
 } 2690 jiffies s: 11377 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):

Sending NMI from CPU 0 to CPUs 1:
cdc_wdm 3-1:1.0: nonzero urb status received: -71
NMI backtrace for cpu 1
CPU: 1 PID: 2337 Comm: syslogd Not tainted 6.4.0-rc1-syzkaller-00016-ga4422ff22142 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x31/0x70 kernel/kcov.c:207
Code: 7d 92 b8 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 c0 a9 03 00 a9 00 01 ff 00 74 0e 85 c9 74 35 8b 82 44 15 00 00 <85> c0 74 2b 8b 82 20 15 00 00 83 f8 02 75 20 48 8b 8a 28 15 00 00
RSP: 0018:ffffc90000187fb8 EFLAGS: 00000006
RAX: 0000000000000000 RBX: 0000000000000010 RCX: 0000000000000100
RDX: ffff88811456ba00 RSI: ffffffff8624a576 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 00000000004bea00 R12: 00000000000128b6
R13: ffffffff86685d8b R14: ffffc900801883bf R15: ffffc900001883c7
FS:  00007f81c093c380(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560f70242048 CR3: 0000000113f89000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 number+0x176/0xad0 lib/vsprintf.c:471
 vsnprintf+0x89d/0x1710 lib/vsprintf.c:2883
 sprintf+0xc4/0x100 lib/vsprintf.c:3021
 print_time kernel/printk/printk.c:1327 [inline]
 info_print_prefix+0x248/0x340 kernel/printk/printk.c:1353
 record_print_text+0x14d/0x3f0 kernel/printk/printk.c:1402
 printk_get_next_message+0x267/0x710 kernel/printk/printk.c:2809
 console_emit_next_record kernel/printk/printk.c:2844 [inline]
 console_flush_all+0x371/0xcc0 kernel/printk/printk.c:2933
 console_unlock+0xb8/0x1f0 kernel/printk/printk.c:3007
 vprintk_emit+0x1bd/0x600 kernel/printk/printk.c:2307
 dev_vprintk_emit drivers/base/core.c:4840 [inline]
 dev_printk_emit+0xda/0x120 drivers/base/core.c:4851
 __dev_printk+0xf8/0x270 drivers/base/core.c:4863
 _dev_err+0xdc/0x120 drivers/base/core.c:4906
 wdm_int_callback+0x10f/0xaa0 drivers/usb/class/cdc-wdm.c:269
 __usb_hcd_giveback_urb+0x2b6/0x5c0 drivers/usb/core/hcd.c:1671
 usb_hcd_giveback_urb+0x384/0x430 drivers/usb/core/hcd.c:1754
 dummy_timer+0x13b6/0x3400 drivers/usb/gadget/udc/dummy_hcd.c:1988
 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
 expire_timers+0x29b/0x4b0 kernel/time/timer.c:1751
 __run_timers kernel/time/timer.c:2022 [inline]
 __run_timers kernel/time/timer.c:1995 [inline]
 run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035
 __do_softirq+0x1c1/0x8e8 kernel/softirq.c:571
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu kernel/softirq.c:650 [inline]
 irq_exit_rcu+0x11b/0x190 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:lock_is_held_type+0x103/0x140 kernel/locking/lockdep.c:5767
Code: 00 00 b8 ff ff ff ff 65 0f c1 05 a8 3a d6 79 83 f8 01 75 29 9c 58 f6 c4 02 75 3d 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 45 31 ed eb b9 0f 0b 48
RSP: 0018:ffffc90006cef878 EFLAGS: 00000286
RAX: 0000000000000046 RBX: 0000000000000003 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88811b8f9c40 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88811456ba00
R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88811456c4d0
 lock_is_held include/linux/lockdep.h:288 [inline]
 xa_head include/linux/xarray.h:1182 [inline]
 xas_start+0x220/0x7a0 lib/xarray.c:188
 xas_load+0x2c/0x140 lib/xarray.c:235
 filemap_get_entry+0x10d/0x430 mm/filemap.c:1858
 shmem_get_folio_gfp.constprop.0+0x1dc/0x1800 mm/shmem.c:1882
 shmem_get_folio mm/shmem.c:2079 [inline]
 shmem_write_begin+0x148/0x380 mm/shmem.c:2573
 generic_perform_write+0x256/0x570 mm/filemap.c:3923
 __generic_file_write_iter+0x304/0x4a0 mm/filemap.c:4051
 generic_file_write_iter+0xe3/0x350 mm/filemap.c:4083
 call_write_iter include/linux/fs.h:1868 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x945/0xd50 fs/read_write.c:584
 ksys_write+0x12b/0x250 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f81c0a90bf2
Code: 89 c7 48 89 44 24 08 e8 7b 34 fa ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6f 48 8b 15 07 a2 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffc3ab4a1a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f81c0a90bf2
RDX: 000000000000006e RSI: 000056315efcbc50 RDI: 0000000000000003
RBP: 000056315efcbc50 R08: 0000000000000001 R09: 0000000000000000
R10: 00007f81c0c2f3a3 R11: 0000000000000246 R12: 000000000000006e
R13: 00007f81c093c300 R14: 0000000000000003 R15: 000056315efcba60
 </TASK>
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
imon 5-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 5-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
usb 2-1: new high-speed USB device number 8 using dummy_hcd
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
usb 2-1: config index 0 descriptor too short (expected 9, got 0)
usb 2-1: can't read configurations, error -22
usb 2-1: new high-speed USB device number 9 using dummy_hcd
usb 2-1: config index 0 descriptor too short (expected 9, got 0)
usb 2-1: can't read configurations, error -22
usb usb2-port1: attempt power cycle
usb 2-1: new high-speed USB device number 10 using dummy_hcd
usb 2-1: config index 0 descriptor too short (expected 9, got 0)
usb 2-1: can't read configurations, error -22
usb 2-1: new high-speed USB device number 11 using dummy_hcd
usb 2-1: config index 0 descriptor too short (expected 9, got 0)
usb 2-1: can't read configurations, error -22
usb usb2-port1: unable to enumerate USB device