cm109 3-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff88802f02c300 submitted while active WARNING: CPU: 1 PID: 6279 at drivers/usb/core/urb.c:379 usb_submit_urb+0xf95/0x1850 drivers/usb/core/urb.c:379 Modules linked in: CPU: 1 PID: 6279 Comm: syz.0.94 Not tainted 6.6.101-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:usb_submit_urb+0xf95/0x1850 drivers/usb/core/urb.c:379 Code: 04 00 00 eb 58 e8 1b f1 36 fb e9 1a f1 ff ff e8 11 f1 36 fb c6 05 70 88 e6 07 01 48 c7 c7 00 c6 4a 8b 48 89 de e8 3b 66 01 fb <0f> 0b e9 e5 f0 ff ff e8 ef f0 36 fb eb 11 e8 e8 f0 36 fb bd 80 00 RSP: 0018:ffffc900001f0860 EFLAGS: 00010046 RAX: a1a0d700b9f2a700 RBX: ffff88802f02c300 RCX: 0000000000040000 RDX: ffffc900022d1000 RSI: 0000000000004c35 RDI: 0000000000004c36 RBP: 000000000000000f R08: ffff8880b8f28c13 R09: 1ffff110171e5182 R10: dffffc0000000000 R11: ffffed10171e5183 R12: 1ffff1100b51700a R13: dffffc0000000000 R14: ffff88802f02c308 R15: 0000000000000820 FS: 00007f4ac42026c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4ac4201f98 CR3: 0000000077e48000 CR4: 00000000003506e0 Call Trace: cm109_urb_irq_callback+0x72c/0xc90 drivers/input/misc/cm109.c:422 __usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1650 dummy_timer+0x8a3/0x31b0 drivers/usb/gadget/udc/dummy_hcd.c:1993 __run_hrtimer kernel/time/hrtimer.c:1755 [inline] __hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1819 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1836 handle_softirqs+0x280/0x820 kernel/softirq.c:578 __do_softirq kernel/softirq.c:612 [inline] invoke_softirq kernel/softirq.c:452 [inline] __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:211 [inline] RIP: 0010:unwind_next_frame+0x217/0x2970 arch/x86/kernel/unwind_orc.c:494 Code: 4c 89 7c 24 48 0f 85 d7 00 00 00 49 29 df 49 c1 ef 08 8b 05 d3 6b 42 0b 48 89 44 24 28 8d 68 ff 89 ef 44 89 fe e8 39 f2 4a 00 <44> 39 fd 0f 86 4f 1d 00 00 44 89 f8 4c 8d 2c 85 00 ca 71 8f 4c 89 RSP: 0018:ffffc9000c2f6c58 EFLAGS: 00000297 RAX: ffffffff813aa4d7 RBX: ffffffff81000000 RCX: 0000000000000002 RDX: ffff88802d0c5a00 RSI: 000000000000bf82 RDI: 000000000009a000 RBP: 000000000009a000 R08: ffffc9000c2f6df0 R09: 0000000000000006 R10: 0000000000000004 R11: 0000000000000002 R12: ffffc9000c2f6d28 R13: dffffc0000000000 R14: ffffc9000c2f6d5d R15: 000000000000bf82 arch_stack_walk+0x144/0x190 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 save_stack+0xf7/0x1f0 mm/page_owner.c:128 __set_page_owner+0x1d/0x60 mm/page_owner.c:192 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1cd/0x210 mm/page_alloc.c:1554 prep_new_page mm/page_alloc.c:1561 [inline] get_page_from_freelist+0x195c/0x19f0 mm/page_alloc.c:3191 __alloc_pages+0x1e3/0x460 mm/page_alloc.c:4457 __folio_alloc+0x10/0x20 mm/page_alloc.c:4489 vma_alloc_folio+0x47a/0x8f0 mm/mempolicy.c:2242 shmem_alloc_folio+0x179/0x230 mm/shmem.c:1680 shmem_alloc_and_acct_folio+0x189/0x630 mm/shmem.c:1705 shmem_get_folio_gfp+0xcde/0x2ac0 mm/shmem.c:2042 shmem_fault+0x1b6/0x7f0 mm/shmem.c:2249 __do_fault+0x13b/0x4e0 mm/memory.c:4243 do_read_fault mm/memory.c:4616 [inline] do_fault mm/memory.c:4753 [inline] do_pte_missing mm/memory.c:3688 [inline] handle_pte_fault mm/memory.c:5025 [inline] __handle_mm_fault mm/memory.c:5166 [inline] handle_mm_fault+0x3886/0x4920 mm/memory.c:5331 faultin_page mm/gup.c:868 [inline] __get_user_pages+0x5ea/0x1470 mm/gup.c:1167 populate_vma_page_range+0x2b6/0x370 mm/gup.c:1593 __mm_populate+0x24c/0x380 mm/gup.c:1696 mm_populate include/linux/mm.h:3317 [inline] vm_mmap_pgoff+0x2e7/0x400 mm/util.c:561 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f4ac338eb69 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4ac4202038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f4ac35b5fa0 RCX: 00007f4ac338eb69 RDX: b635773f06ebbee2 RSI: 0000000000b36000 RDI: 0000200000000000 RBP: 00007f4ac3411df1 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f4ac35b5fa0 R15: 00007ffce857eda8 ---------------- Code disassembly (best guess): 0: 4c 89 7c 24 48 mov %r15,0x48(%rsp) 5: 0f 85 d7 00 00 00 jne 0xe2 b: 49 29 df sub %rbx,%r15 e: 49 c1 ef 08 shr $0x8,%r15 12: 8b 05 d3 6b 42 0b mov 0xb426bd3(%rip),%eax # 0xb426beb 18: 48 89 44 24 28 mov %rax,0x28(%rsp) 1d: 8d 68 ff lea -0x1(%rax),%ebp 20: 89 ef mov %ebp,%edi 22: 44 89 fe mov %r15d,%esi 25: e8 39 f2 4a 00 call 0x4af263 * 2a: 44 39 fd cmp %r15d,%ebp <-- trapping instruction 2d: 0f 86 4f 1d 00 00 jbe 0x1d82 33: 44 89 f8 mov %r15d,%eax 36: 4c 8d 2c 85 00 ca 71 lea -0x708e3600(,%rax,4),%r13 3d: 8f 3e: 4c rex.WR 3f: 89 .byte 0x89