rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
0-....
} 2646 jiffies s: 23653 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
0*128kB 0*256kB 0*512kB 1*1024kB (U) 1*2048kB
NMI backtrace for cpu 0
CPU: 0 PID: 4850 Comm: kworker/0:4 Not tainted 6.8.0-rc6-syzkaller-00098-ga560a5672826 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Workqueue: usb_hub_wq hub_event
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 35 b3 13 ff eb a4 e8 8e b3 13 ff eb e1 66
RSP: 0018:ffffc900000073c8 EFLAGS: 00000002
RAX: 000000000000005b RBX: 00000000000003f8 RCX: 0000000000000000
RDX: 00000000000003f8 RSI: ffffffff828833b5 RDI: ffffffff8c1ab320
RBP: ffffffff8c1ab2e0 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 000000000000000d R12: 0000000000000000
R13: 000000000000005b R14: ffffffff82883350 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2db27000 CR3: 0000000007c9d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
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+0x4d8/0xd60 kernel/printk/printk.c:2967
console_unlock+0x10c/0x260 kernel/printk/printk.c:3036
vprintk_emit+0x17f/0x5f0 kernel/printk/printk.c:2303
vprintk+0x7b/0x90 kernel/printk/printk_safe.c:45
_printk+0xc8/0x100 kernel/printk/printk.c:2328
show_free_areas+0x1672/0x2140 mm/show_mem.c:381
__show_mem+0x34/0x140 mm/show_mem.c:406
k_spec drivers/tty/vt/keyboard.c:667 [inline]
k_spec+0xea/0x140 drivers/tty/vt/keyboard.c:656
kbd_keycode drivers/tty/vt/keyboard.c:1524 [inline]
kbd_event+0xcc8/0x17c0 drivers/tty/vt/keyboard.c:1543
input_to_handler+0x382/0x4c0 drivers/input/input.c:132
input_pass_values+0x5c9/0x840 drivers/input/input.c:161
input_event_dispose+0x377/0x630 drivers/input/input.c:378
input_handle_event+0x11c/0xd80 drivers/input/input.c:406
input_repeat_key+0x251/0x340 drivers/input/input.c:2263
call_timer_fn+0x193/0x590 kernel/time/timer.c:1700
expire_timers kernel/time/timer.c:1751 [inline]
__run_timers+0x759/0xaa0 kernel/time/timer.c:2038
run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2051
__do_softirq+0x20a/0x8c1 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+0x90/0xb0 arch/x86/kernel/apic/apic.c:1076
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:console_flush_all+0xa11/0xd60 kernel/printk/printk.c:2973
Code: e8 84 7d 23 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 92 a1 1c 00 48 85 db 0f 85 7c 01 00 00 e8 f4 a5 1c 00 fb 48 8b 04 24 <4c> 89 fa 83 e2 07 0f b6 00 38 d0 7f 08 84 c0 0f 85 55 02 00 00 41
RSP: 0018:ffffc900041d6868 EFLAGS: 00000246
RAX: fffff5200083ad34 RBX: 0000000000000000 RCX: ffffc9000ab82000
RDX: 0000000000040000 RSI: ffffffff81313fdc RDI: 0000000000000007
RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000009 R12: 0000000000000001
R13: ffffffff883606d8 R14: ffffffff88360680 R15: ffffc900041d69a0
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:4864 [inline]
dev_printk_emit+0xfb/0x140 drivers/base/core.c:4875
__dev_printk+0xf5/0x270 drivers/base/core.c:4887
_dev_info+0xe5/0x120 drivers/base/core.c:4933
usb_serial_device_probe+0x268/0x3e0 drivers/usb/serial/bus.c:62
call_driver_probe drivers/base/dd.c:579 [inline]
really_probe+0x234/0xc90 drivers/base/dd.c:658
__driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:800
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:830
__device_attach_driver+0x1d4/0x300 drivers/base/dd.c:958
bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457
__device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
device_add+0x117e/0x1aa0 drivers/base/core.c:3639
usb_serial_probe+0x2e51/0x3ff0 drivers/usb/serial/usb-serial.c:1152
usb_probe_interface+0x307/0x9c0 drivers/usb/core/driver.c:399
call_driver_probe drivers/base/dd.c:579 [inline]
really_probe+0x234/0xc90 drivers/base/dd.c:658
__driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:800
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:830
__device_attach_driver+0x1d4/0x300 drivers/base/dd.c:958
bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457
__device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
device_add+0x117e/0x1aa0 drivers/base/core.c:3639
usb_set_configuration+0x10cb/0x1c40 drivers/usb/core/message.c:2207
usb_generic_driver_probe+0xad/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+0x234/0xc90 drivers/base/dd.c:658
__driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:800
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:830
__device_attach_driver+0x1d4/0x300 drivers/base/dd.c:958
bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457
__device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
device_add+0x117e/0x1aa0 drivers/base/core.c:3639
usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2643
hub_port_connect drivers/usb/core/hub.c:5512 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5652 [inline]
port_event drivers/usb/core/hub.c:5812 [inline]
hub_event+0x2e62/0x4f40 drivers/usb/core/hub.c:5894
process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243
(M) 3*4096kB (M) = 15360kB
Node 0 DMA32: 2*4kB (M) 0*8kB 1*16kB (M) 2*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 2*512kB (M) 2*1024kB (M) 2*2048kB (M) 701*4096kB (M) = 2879448kB
Node 0 Normal: 1344*4kB (ME) 421*8kB (UME) 136*16kB (UME) 30*32kB (UM) 34*64kB (UME) 58*128kB (UME) 6*256kB (UE) 87*512kB (UME) 48*1024kB (UME) 18*2048kB (UM) 689*4096kB (M) = 2975720kB
Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB
56523 total pagecache pages
0 pages in swap cache
Free swap = 124996kB
Total swap = 124996kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369994 pages reserved
hid-thrustmaster 0003:044F:B65D.01E8: URB to get model id failed with error -71
usb 4-1: USB disconnect, device number 86
usb 1-1: USB disconnect, device number 92
usb 1-1: new high-speed USB device number 93 using dummy_hcd
usb 1-1: config index 0 descriptor too short (expected 23569, got 27)
usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
usb 1-1: New USB device found, idVendor=03eb, idProduct=0002, bcdDevice=ba.c0
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
rc_core: IR keymap rc-hauppauge not found
Registered IR keymap rc-empty
rc rc0: IgorPlug-USB IR Receiver as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0
input: IgorPlug-USB IR Receiver as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0/input665
igorplugusb 1-1:0.0: receive overflow invalid: 65
usb 1-1: USB disconnect, device number 93
igorplugusb 1-1:0.0: receive overflow invalid: 65
usb 2-1: new high-speed USB device number 89 using dummy_hcd
usb 2-1: config index 0 descriptor too short (expected 23569, got 27)
usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
usb 2-1: New USB device found, idVendor=03eb, idProduct=0002, bcdDevice=ba.c0
usb 2-1: New USB device strings: Mfr=5, Product=0, SerialNumber=0
usb 2-1: Manufacturer: syz
usb 2-1: config 0 descriptor??
rc_core: IR keymap rc-hauppauge not found
Registered IR keymap rc-empty
rc rc1: IgorPlug-USB IR Receiver as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.0/rc/rc1
input: IgorPlug-USB IR Receiver as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.0/rc/rc1/input670
igorplugusb 1-1:0.0: receive overflow invalid: 65
igorplugusb 1-1:0.0: receive overflow invalid: 65
usb 3-1: USB disconnect, device number 91
pvrusb2: Device being rendered inoperable