rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 0-....
 } 2646 jiffies s: 11829 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
DMA32 free:2881748kB boost:0kB min:4380kB low:7260kB high:10140kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2885196kB mlocked:0kB bounce:0kB free_pcp:3448kB local_pcp:64kB free_cma:0kB
NMI backtrace for cpu 0
CPU: 0 PID: 13213 Comm: syz-executor.1 Not tainted 6.6.0-rc6-syzkaller-gec0989703642 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:get_current arch/x86/include/asm/current.h:41 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x17/0x70 kernel/kcov.c:206
Code: ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa 65 8b 05 5d 35 b6 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 <65> 48 8b 14 25 00 ab 03 00 a9 00 01 ff 00 74 0e 85 c9 74 35 8b 82
RSP: 0018:ffffc90000007470 EFLAGS: 00000006
RAX: 0000000000000104 RBX: 0000000000000001 RCX: 0000000000000100
RDX: ffff88811d14d700 RSI: ffffffff8131005d RDI: 0000000000000005
RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 3a676e69646e6570 R12: ffffffff88351760
R13: ffff88810365ba00 R14: ffffc900000075d0 R15: 0000000000000000
FS:  00007fbea7f256c0(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbea8e08000 CR3: 0000000119270000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 console_srcu_read_flags include/linux/console.h:260 [inline]
 console_is_usable kernel/printk/printk.c:2693 [inline]
 console_flush_all+0x1ad/0xfb0 kernel/printk/printk.c:2962
 console_unlock+0x10c/0x260 kernel/printk/printk.c:3035
 vprintk_emit+0x17f/0x5f0 kernel/printk/printk.c:2307
 vprintk+0x7b/0x90 kernel/printk/printk_safe.c:45
 _printk+0xc8/0x100 kernel/printk/printk.c:2332
 show_free_areas+0x11ea/0x2140 mm/show_mem.c:308
 __show_mem+0x34/0x140 mm/show_mem.c:409
 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.part.0+0x52f/0x7a0 drivers/input/input.c:161
 input_pass_values drivers/input/input.c:148 [inline]
 input_event_dispose+0x5ee/0x770 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+0x19e/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+0x20b/0x94e 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:1074
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:console_flush_all+0x9e0/0xfb0 kernel/printk/printk.c:2972
Code: 66 19 23 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 b4 68 1c 00 48 85 db 0f 85 97 03 00 00 e8 16 6d 1c 00 fb 48 8b 44 24 08 <48> 8b 14 24 0f b6 00 83 e2 07 38 d0 7f 08 84 c0 0f 85 08 05 00 00
RSP: 0018:ffffc9000e087af0 EFLAGS: 00000293
RAX: fffff52001c10f89 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88811d14d700 RSI: ffffffff8131088a RDI: 0000000000000007
RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 205d304320202020 R12: ffffffff88351760
R13: 0000000000000001 R14: ffffffff883517b8 R15: 0000000000000001
 console_unlock+0x10c/0x260 kernel/printk/printk.c:3035
 vprintk_emit+0x17f/0x5f0 kernel/printk/printk.c:2307
 vprintk+0x7b/0x90 kernel/printk/printk_safe.c:45
 _printk+0xc8/0x100 kernel/printk/printk.c:2332
 usb_gadget_register_driver_owner+0x1c2/0x2d0 drivers/usb/gadget/udc/core.c:1695
 raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:559 [inline]
 raw_ioctl+0x172f/0x2b80 drivers/usb/gadget/legacy/raw_gadget.c:1266
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl fs/ioctl.c:857 [inline]
 __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbea8bc384b
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007fbea7f22fa0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbea8bc384b
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000007
RBP: 00007fbea7f24070 R08: 0000000000000010 R09: 00312e6364755f79
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbea7f23040 R14: 0000000020000080 R15: 00007fbea8e07b88
 </TASK>
lowmem_reserve[]: 0 0 3924 3924
Node 0 Normal free:2848744kB boost:0kB min:6108kB low:10124kB high:14140kB reserved_highatomic:0KB active_anon:1476kB inactive_anon:40756kB active_file:18892kB inactive_file:161960kB unevictable:0kB writepending:0kB present:5242880kB managed:4018384kB mlocked:0kB bounce:0kB free_pcp:8012kB local_pcp:3336kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15360kB
Node 0 DMA32: 3*4kB (M) 1*8kB (M) 2*16kB (M) 3*32kB (M) 3*64kB (M) 3*128kB (M) 2*256kB (M) 2*512kB (M) 2*1024kB (M) 1*2048kB (M) 702*4096kB (M) = 2881748kB
Node 0 Normal: 388*4kB (UME) 621*8kB (ME) 531*16kB (UME) 258*32kB (ME) 150*64kB (ME) 95*128kB (ME) 56*256kB (ME) 56*512kB (UM) 34*1024kB (UM) 17*2048kB (M) 657*4096kB (M) = 2848744kB
Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB
45718 total pagecache pages
0 pages in swap cache
Free swap  = 124996kB
Total swap = 124996kB
2097051 pages RAM
0 pages HighMem/MovableOnly
367316 pages reserved
usb 1-1: new high-speed USB device number 52 using dummy_hcd