cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 6-1:1.0: nonzero urb status received: -71 cdc_wdm 6-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 1-....: (8258 ticks this GP) idle=e24c/1/0x4000000000000000 softirq=23281/23281 fqs=4543 rcu: hardirqs softirqs csw/system rcu: number: 52 0 0 rcu: cputime: 0 41304 0 ==> 52480(ms) rcu: (t=10500 jiffies g=27673 q=695 ncpus=2) CPU: 1 PID: 6136 Comm: syz-executor.4 Not tainted 6.7.0-rc5-syzkaller-ge9158c7e5533 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x70 kernel/locking/spinlock.c:194 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 66 7a e1 fa 48 89 df e8 5e f9 e1 fa f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 25 6c d6 fa 65 8b 05 e6 9e b6 79 85 c0 74 12 5b RSP: 0018:ffffc90000198a90 EFLAGS: 00000246 RAX: 0000000000000002 RBX: ffff8881057fc000 RCX: 1ffffffff16e5f64 RDX: 0000000000000000 RSI: ffffffff8687cf20 RDI: ffffffff86a68a20 RBP: 0000000000000246 R08: 0000000000000001 R09: fffffbfff16ddf57 R10: ffffffff8b6efabf R11: ffffffff814df3c0 R12: ffff888105baf438 R13: ffff888115202600 R14: dffffc0000000000 R15: 1ffff92000033182 FS: 0000000000000000(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30a28000 CR3: 0000000007c9c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] dummy_timer+0x1f55/0x35f0 drivers/usb/gadget/udc/dummy_hcd.c:2001 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 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:kasan_check_range+0x1a/0x190 mm/kasan/generic.c:186 Code: 5d 41 5c c3 66 66 2e 0f 1f 84 00 00 00 00 00 90 66 0f 1f 00 48 85 f6 0f 84 48 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 <53> 0f 82 c6 00 00 00 48 b8 ff ff ff ff ff 7f ff ff 48 39 f8 0f 83 RSP: 0018:ffffc9000df57610 EFLAGS: 00000286 RAX: ffff888107d7dc74 RBX: ffff888107d7dc70 RCX: ffffffff819f7bda RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888107d7dc70 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888107d7dc30 R13: 0000000000000001 R14: 0000000000000000 R15: dffffc0000000000 instrument_atomic_read include/linux/instrumented.h:68 [inline] atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline] page_table_check_clear mm/page_table_check.c:84 [inline] page_table_check_clear+0x47a/0x9a0 mm/page_table_check.c:61 __page_table_check_pte_clear+0xef/0x100 mm/page_table_check.c:158 page_table_check_pte_clear include/linux/page_table_check.h:49 [inline] ptep_get_and_clear_full arch/x86/include/asm/pgtable.h:1301 [inline] zap_pte_range mm/memory.c:1440 [inline] zap_pmd_range mm/memory.c:1583 [inline] zap_pud_range mm/memory.c:1612 [inline] zap_p4d_range mm/memory.c:1633 [inline] unmap_page_range+0x1445/0x2480 mm/memory.c:1654 unmap_single_vma+0x194/0x2b0 mm/memory.c:1700 unmap_vmas+0x229/0x470 mm/memory.c:1744 exit_mmap+0x1ad/0xa60 mm/mmap.c:3308 __mmput kernel/fork.c:1349 [inline] mmput+0xdb/0x420 kernel/fork.c:1371 exit_mm kernel/exit.c:567 [inline] do_exit+0x9ad/0x2a50 kernel/exit.c:858 do_group_exit+0xd4/0x2a0 kernel/exit.c:1021 get_signal+0x23ba/0x2790 kernel/signal.c:2904 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x116/0x1f0 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296 do_syscall_64+0x4b/0x110 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f66ddd877a0 Code: Unable to access opcode bytes at 0x7f66ddd87776. RSP: 002b:00007f66dca65c00 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: 000000000000000a RBX: 0000000000000002 RCX: 00007f66ddd877a0 RDX: 0000000000000002 RSI: 00007f66dca65ca0 RDI: 00000000ffffff9c RBP: 00007f66dca65ca0 R08: 0000000000000000 R09: 00007f66dca65a17 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 000000000000006e R14: 00007f66ddea8390 R15: 00007ffe56975658 cdc_wdm 6-1:1.0: nonzero urb status received: -71 cdc_wdm 6-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: wdm_int_callback - usb_submit_urb failed with result -1