rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-....
 } 2688 jiffies s: 2657 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):

Sending NMI from CPU 1 to CPUs 0:
cdc_wdm 3-1:1.0: nonzero urb status received: -71
NMI backtrace for cpu 0
CPU: 0 PID: 12108 Comm: modprobe Not tainted 6.7.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:io_serial_out+0x8f/0xb0 drivers/tty/serial/8250/8250_port.c:417
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 18 66 03 5d 40 44 89 e8 89 da ee <5b> 5d 41 5c 41 5d c3 e8 f5 0d 15 ff eb a4 e8 4e 0e 15 ff eb e1 66
RSP: 0018:ffffc90000007420 EFLAGS: 00000002
RAX: 0000000000000020 RBX: 00000000000003f8 RCX: 0000000000000000
RDX: 00000000000003f8 RSI: ffffffff82865675 RDI: ffffffff8c175f60
RBP: ffffffff8c175f20 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 205d304320202020 R12: 0000000000000000
R13: 0000000000000020 R14: ffffffff82865610 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1561d4b290 CR3: 000000010ce72000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 serial_out drivers/tty/serial/8250/8250.h:122 [inline]
 serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3373 [inline]
 serial8250_console_write+0xcbd/0x1060 drivers/tty/serial/8250/8250_port.c:3444
 console_emit_next_record kernel/printk/printk.c:2901 [inline]
 console_flush_all+0x4d5/0xd50 kernel/printk/printk.c:2967
 console_unlock+0x10c/0x260 kernel/printk/printk.c:3036
 vprintk_emit+0x17f/0x5f0 kernel/printk/printk.c:2303
 dev_vprintk_emit drivers/base/core.c:4850 [inline]
 dev_printk_emit+0xfb/0x140 drivers/base/core.c:4861
 __dev_printk+0xf5/0x270 drivers/base/core.c:4873
 _dev_err+0xe5/0x120 drivers/base/core.c:4916
 wdm_int_callback+0x10f/0xaa0 drivers/usb/class/cdc-wdm.c:269
 __usb_hcd_giveback_urb+0x359/0x5c0 drivers/usb/core/hcd.c:1650
 usb_hcd_giveback_urb+0x389/0x430 drivers/usb/core/hcd.c:1733
 dummy_timer+0x1415/0x35f0 drivers/usb/gadget/udc/dummy_hcd.c:1987
 call_timer_fn+0x193/0x580 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x764/0xb10 kernel/time/timer.c:2022
 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035
 __do_softirq+0x20a/0x94b kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0xa7/0x110 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x8e/0xb0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:mas_data_end lib/maple_tree.c:1477 [inline]
RIP: 0010:mt_validate_nulls+0x5fd/0xb20 lib/maple_tree.c:7173
Code: 8d 04 c1 48 89 c2 48 c1 ea 03 42 80 3c 32 00 0f 85 72 04 00 00 48 8b 00 31 ff 48 89 c6 48 89 04 24 e8 c7 1b 0b fb 48 8b 04 24 <48> 85 c0 0f 85 a6 03 00 00 e8 25 20 0b fb 48 8d bd f8 00 00 00 48
RSP: 0018:ffffc9000e717508 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 000000000000000e RCX: ffffffff8642d8a9
RDX: ffff888118299d00 RSI: 0000000000000000 RDI: 0000000000000007
RBP: ffff88811ce8b000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 00007f1561acefff R12: 0000000000000001
R13: 0000000000000006 R14: dffffc0000000000 R15: ffff88810fa912b8
 mt_validate+0x4d1/0x3d00 lib/maple_tree.c:7220
 validate_mm+0x9a/0x460 mm/mmap.c:288
 __split_vma+0xd06/0x1030 mm/mmap.c:2411
 do_vmi_align_munmap.constprop.0+0x353/0x1560 mm/mmap.c:2579
 do_vmi_munmap+0x202/0x440 mm/mmap.c:2725
 mmap_region+0x183/0x25e0 mm/mmap.c:2776
 do_mmap+0x893/0xef0 mm/mmap.c:1379
 vm_mmap_pgoff+0x1a8/0x3b0 mm/util.c:546
 ksys_mmap_pgoff+0x422/0x5b0 mm/mmap.c:1425
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:93 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:86
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f1561d67b74
Code: 63 08 44 89 e8 5b 41 5c 41 5d c3 41 89 ca 41 f7 c1 ff 0f 00 00 74 0c c7 05 f5 46 01 00 16 00 00 00 eb 17 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 0c f7 d8 89 05 dc 46 01 00 48 83 c8 ff c3 0f
RSP: 002b:00007ffc82a7d538 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ffc82a7d5b0 RCX: 00007f1561d67b74
RDX: 0000000000000001 RSI: 0000000000007000 RDI: 00007f1561aba000
RBP: 00007ffc82a7d910 R08: 0000000000000000 R09: 000000000001b000
R10: 0000000000000812 R11: 0000000000000246 R12: 00007f1561d4afc0
R13: 00007ffc82a7d998 R14: 000000000001a43e R15: 0000000000000000
 </TASK>
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: 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
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored