rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2634 jiffies s: 1665 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
cdc_wdm 6-1:1.0: wdm_int_callback - 0 bytes
NMI backtrace for cpu 1
CPU: 1 PID: 9237 Comm: syz-executor.2 Not tainted 6.1.0-rc7-syzkaller-00134-g1524ceb14dd5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:io_serial_out+0x8b/0xa0 drivers/tty/serial/8250/8250_port.c:467
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 c9 85 23 ff eb a4 e8 f2 85 23 ff eb e1 41
RSP: 0018:ffffc90000178388 EFLAGS: 00000002
RAX: 000000000000005b RBX: 00000000000003f8 RCX: 0000000000000000
RDX: 00000000000003f8 RSI: ffffffff8256db81 RDI: ffffffff8bac8560
RBP: ffffffff8bac8520 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 000000000000005b R14: ffffffff8256db20 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8cbae2b988 CR3: 00000001254f0000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
serial_out drivers/tty/serial/8250/8250.h:123 [inline]
serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3365 [inline]
serial8250_console_write+0xd0e/0x1010 drivers/tty/serial/8250/8250_port.c:3436
call_console_driver kernel/printk/printk.c:1942 [inline]
console_emit_next_record.constprop.0+0x3de/0x840 kernel/printk/printk.c:2731
console_flush_all kernel/printk/printk.c:2793 [inline]
console_unlock+0x3be/0x600 kernel/printk/printk.c:2860
vprintk_emit+0x1b9/0x5f0 kernel/printk/printk.c:2268
dev_vprintk_emit+0x36e/0x3b2 drivers/base/core.c:4736
dev_printk_emit+0xba/0xf1 drivers/base/core.c:4747
__dev_printk+0xcf/0xf5 drivers/base/core.c:4759
_dev_err+0xd7/0x109 drivers/base/core.c:4802
wdm_int_callback.cold+0x3b/0x104 drivers/usb/class/cdc-wdm.c:276
__usb_hcd_giveback_urb+0x2b6/0x5c0 drivers/usb/core/hcd.c:1671
usb_hcd_giveback_urb+0x380/0x430 drivers/usb/core/hcd.c:1754
dummy_timer+0x11ff/0x32c0 drivers/usb/gadget/udc/dummy_hcd.c:1988
call_timer_fn+0x1da/0x7c0 kernel/time/timer.c:1474
expire_timers kernel/time/timer.c:1519 [inline]
__run_timers.part.0+0x6a2/0xaf0 kernel/time/timer.c:1790
__run_timers kernel/time/timer.c:1768 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803
__do_softirq+0x1e4/0xabb kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x113/0x170 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1107
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:unwind_next_frame+0x1453/0x1cc0 arch/x86/kernel/unwind_orc.c:622
Code: b3 74 68 00 48 8b 4c 24 28 4c 8b 44 24 20 e9 eb f4 ff ff 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 08 48 c1 ea 03 80 3c 02 00 <0f> 85 e2 07 00 00 49 8d 7d 08 49 8b 5d 38 48 b8 00 00 00 00 00 fc
RSP: 0018:ffffc90005a57410 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000001
RDX: 1ffff92000b4ae97 RSI: ffffc90005a57850 RDI: ffffc90005a574c0
RBP: ffff88813107ca1c R08: ffffffff897a029c R09: ffffc90005a574b4
R10: fffff52000b4ae9b R11: ffffc90005a57878 R12: ffffc90005a574b5
R13: ffffc90005a57480 R14: ffffc90005a57850 R15: ffffffff897a02a0
arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x1e/0x40 mm/kasan/common.c:45
kasan_set_track+0x21/0x30 mm/kasan/common.c:52
____kasan_kmalloc mm/kasan/common.c:371 [inline]
__kasan_kmalloc+0x7a/0x90 mm/kasan/common.c:380
kasan_kmalloc include/linux/kasan.h:211 [inline]
__do_kmalloc_node mm/slab_common.c:955 [inline]
__kmalloc_node_track_caller+0x57/0xc0 mm/slab_common.c:975
kmalloc_reserve net/core/skbuff.c:437 [inline]
__alloc_skb+0xd9/0x2f0 net/core/skbuff.c:509
alloc_skb include/linux/skbuff.h:1267 [inline]
alloc_uevent_skb+0x7b/0x210 lib/kobject_uevent.c:290
uevent_net_broadcast_untagged lib/kobject_uevent.c:326 [inline]
kobject_uevent_net_broadcast lib/kobject_uevent.c:409 [inline]
kobject_uevent_env+0xc1e/0x1620 lib/kobject_uevent.c:593
__device_release_driver drivers/base/dd.c:1264 [inline]
device_release_driver_internal+0x5c9/0x700 drivers/base/dd.c:1275
driver_detach+0xd5/0x1a0 drivers/base/dd.c:1338
bus_remove_driver+0x104/0x300 drivers/base/bus.c:677
driver_unregister+0x73/0xb0 drivers/base/driver.c:274
usb_gadget_unregister_driver+0x48/0x70 drivers/usb/gadget/udc/core.c:1592
raw_release+0x18b/0x290 drivers/usb/gadget/legacy/raw_gadget.c:413
__fput+0x27c/0xa90 fs/file_table.c:320
task_work_run+0x16b/0x270 kernel/task_work.c:179
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xb35/0x29a0 kernel/exit.c:820
do_group_exit+0xd0/0x2a0 kernel/exit.c:950
get_signal+0x21a1/0x2430 kernel/signal.c:2858
arch_do_signal_or_restart+0x82/0x2300 arch/x86/kernel/signal.c:869
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x156/0x200 kernel/entry/common.c:203
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:296
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f342e291ec7
Code: Unable to access opcode bytes at 0x7f342e291e9d.
RSP: 002b:00007f342d603098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: fffffffffffffff0 RBX: 00007f342d604110 RCX: 00007f342e291ec7
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000007fef R09: 000000000000000b
R10: 00007f342d603140 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000020000500 R15: 00000000000010d0
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
cdc_wdm 6-1:1.0: nonzero urb status received: -71
cdc_wdm 6-1:1.0: wdm_int_callback - 0 bytes
imon 3-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
usb 4-1: new high-speed USB device number 90 using dummy_hcd
usb 4-1: config 1 interface 0 altsetting 0 endpoint 0x2 has an invalid bInterval 129, changing to 11
usb 4-1: New USB device found, idVendor=056a, idProduct=0033, bcdDevice= 0.40
usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 4-1: Product: syz
usb 4-1: Manufacturer: syz
usb 4-1: SerialNumber: syz
usbhid 4-1:1.0: can't add hid device: -71
usbhid: probe of 4-1:1.0 failed with error -71
usb 4-1: USB disconnect, device number 90
usb 4-1: new high-speed USB device number 91 using dummy_hcd
usb 4-1: config 1 interface 0 altsetting 0 endpoint 0x2 has an invalid bInterval 129, changing to 11
usb 4-1: New USB device found, idVendor=056a, idProduct=0033, bcdDevice= 0.40
usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 4-1: Product: syz
usb 4-1: Manufacturer: syz
usb 4-1: SerialNumber: syz
usbhid 4-1:1.0: can't add hid device: -71
usbhid: probe of 4-1:1.0 failed with error -71
usb 4-1: USB disconnect, device number 91
usb 4-1: new high-speed USB device number 92 using dummy_hcd
usb 4-1: config 1 interface 0 altsetting 0 endpoint 0x2 has an invalid bInterval 129, changing to 11
usb 4-1: New USB device found, idVendor=056a, idProduct=0033, bcdDevice= 0.40
usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 4-1: Product: syz
usb 4-1: Manufacturer: syz
usb 4-1: SerialNumber: syz
usbhid 4-1:1.0: can't add hid device: -71
usbhid: probe of 4-1:1.0 failed with error -71
usb 4-1: USB disconnect, device number 92