rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2659 jiffies s: 1757 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: 5359 Comm: syz-executor.0 Not tainted 6.10.0-rc2-syzkaller-00097-g2df0193e62cf #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:io_serial_out+0x7e/0xc0 drivers/tty/serial/8250/8250_port.c:413 Code: fc 89 e9 41 d3 e7 48 83 c3 40 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 bc 88 bf fc 44 03 3b 44 89 f0 44 89 fa ee <5b> 41 5c 41 5e 41 5f 5d c3 cc cc cc cc 89 e9 80 e1 07 38 c1 7c a7 RSP: 0018:ffffc90000006250 EFLAGS: 00000002 RAX: 0000000000000031 RBX: ffffffff94acf200 RCX: 0000000000000000 RDX: 00000000000003f8 RSI: 0000000000000000 RDI: 0000000000000020 RBP: 0000000000000000 R08: ffffffff853c5d9b R09: 1ffff11003ed9046 R10: dffffc0000000000 R11: ffffffff853c5d50 R12: dffffc0000000000 R13: 0000000000000031 R14: 0000000000000031 R15: 00000000000003f8 FS: 0000555556289480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33226000 CR3: 00000000611ec000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: serial8250_console_write+0x1212/0x1770 drivers/tty/serial/8250/8250_port.c:3393 console_emit_next_record kernel/printk/printk.c:2928 [inline] console_flush_all+0x865/0xfd0 kernel/printk/printk.c:2994 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3063 vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2345 dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4951 dev_printk_emit+0xdd/0x120 drivers/base/core.c:4962 _dev_err+0x122/0x170 drivers/base/core.c:5017 wdm_int_callback+0x41f/0xac0 drivers/usb/class/cdc-wdm.c:269 __usb_hcd_giveback_urb+0x373/0x530 drivers/usb/core/hcd.c:1648 dummy_timer+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987 __run_hrtimer kernel/time/hrtimer.c:1687 [inline] __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1751 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:queue_work_on+0x269/0x380 kernel/workqueue.c:2415 Code: 75 19 e8 ca 90 36 00 eb 18 e8 c3 90 36 00 e8 fe c1 26 0a 48 83 7c 24 10 00 74 e7 e8 b1 90 36 00 fb 48 c7 44 24 20 0e 36 e0 45 <4b> c7 04 37 00 00 00 00 43 c7 44 37 09 00 00 00 00 66 43 c7 44 37 RSP: 0018:ffffc900000072a0 EFLAGS: 00000246 RAX: ffffffff815f95cf RBX: 0000000000000000 RCX: ffff8880203e8000 RDX: 0000000000000302 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007398 R08: ffffffff815f959f R09: 1ffffffff25f52ce R10: dffffc0000000000 R11: fffffbfff25f52cf R12: 0000000002000001 R13: 0000000000000046 R14: 1ffff92000000e58 R15: dffffc0000000000 __ieee80211_queue_skb_to_iface net/mac80211/rx.c:233 [inline] ieee80211_queue_skb_to_iface net/mac80211/rx.c:244 [inline] ieee80211_rx_h_mgmt+0x50f/0x710 net/mac80211/rx.c:4047 ieee80211_rx_handlers+0x6a9d/0xb820 net/mac80211/rx.c:4205 ieee80211_invoke_rx_handlers net/mac80211/rx.c:4235 [inline] ieee80211_prepare_and_rx_handle+0x31ab/0x6360 net/mac80211/rx.c:5083 __ieee80211_rx_handle_packet net/mac80211/rx.c:5324 [inline] ieee80211_rx_list+0x2cde/0x3780 net/mac80211/rx.c:5459 ieee80211_rx_napi+0x18a/0x3c0 net/mac80211/rx.c:5482 ieee80211_rx include/net/mac80211.h:5093 [inline] ieee80211_tasklet_handler+0xeb/0x1f0 net/mac80211/main.c:438 tasklet_action_common+0x321/0x4d0 kernel/softirq.c:785 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:raw_spin_rq_unlock_irq+0x19/0x90 kernel/sched/sched.h:1419 Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 53 48 89 fb 66 90 48 89 df e8 4e f6 28 0a e8 49 57 35 00 fb 5b <41> 5e 41 5f c3 cc cc cc cc f3 0f 1e fa 49 bf 00 00 00 00 00 fc ff RSP: 0018:ffffc900041d7548 EFLAGS: 00000286 RAX: ffd916244f2e5c00 RBX: ffff8880b943e7c0 RCX: ffffffff947a1603 RDX: dffffc0000000000 RSI: ffffffff8bcabb80 RDI: ffffffff8c1ff340 RBP: ffffc900041d7750 R08: ffffffff8fad476f R09: 1ffffffff1f5a8ed R10: dffffc0000000000 R11: fffffbfff1f5a8ee R12: ffffc900041d76d0 R13: 0000000000000000 R14: ffff8880203e8770 R15: ffff8880203e8000 __schedule+0x1a22/0x4a20 kernel/sched/core.c:6749 preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6924 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6948 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12 rmqueue_pcplist mm/page_alloc.c:2954 [inline] rmqueue mm/page_alloc.c:2990 [inline] get_page_from_freelist+0xa05/0x2ee0 mm/page_alloc.c:3399 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4660 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 vm_area_alloc_pages mm/vmalloc.c:3566 [inline] __vmalloc_area_node mm/vmalloc.c:3642 [inline] __vmalloc_node_range_noprof+0x971/0x1460 mm/vmalloc.c:3823 vmalloc_user_noprof+0x74/0x80 mm/vmalloc.c:3977 kcov_ioctl+0x59/0x630 kernel/kcov.c:705 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7594a7cccb 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:00007ffdeb877c60 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7594a7cccb RDX: 0000000000040000 RSI: ffffffff80086301 RDI: 00000000000000dd RBP: 00007f7594bb4428 R08: 00000000000000da R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdeb8783a8 R13: 000000000000000c R14: 0000000000000003 R15: 0000000000000005 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 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 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 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