cm109 7-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff888027dfd000 submitted while active WARNING: drivers/usb/core/urb.c:380 at usb_submit_urb+0x7b/0x18d0 drivers/usb/core/urb.c:380, CPU#1: syz.4.543/9017 Modules linked in: CPU: 1 UID: 0 PID: 9017 Comm: syz.4.543 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:usb_submit_urb+0x7e/0x18d0 drivers/usb/core/urb.c:380 Code: 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 e7 c1 25 fb 49 83 3e 00 74 40 e8 0c f1 be fa 48 8d 3d 75 64 ad 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 f1 f0 be fa eb 05 e8 ea f0 RSP: 0018:ffffc90000a08978 EFLAGS: 00010083 RAX: ffffffff8701c9b4 RBX: ffff888027dfd000 RCX: 0000000000040000 RDX: ffffc900023a2000 RSI: ffff888027dfd000 RDI: ffffffff8faf2e30 RBP: 000000000000000f R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000141130 R12: 0000000000000820 R13: ffff888053441030 R14: ffff888027dfd008 R15: dffffc0000000000 FS: 00007f3f502876c0(0000) GS:ffff888125d07000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000758a8000 CR4: 00000000003526f0 DR0: 0000000000000003 DR1: 00000000000001f8 DR2: 000000000000008e DR3: 000000000000057a DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x709/0xcd0 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1661 dummy_timer+0x85f/0x45b0 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x51c/0xc30 kernel/time/hrtimer.c:1841 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1858 handle_softirqs+0x22b/0x7c0 kernel/softirq.c:626 __do_softirq kernel/softirq.c:660 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x60/0x150 kernel/softirq.c:727 irq_exit_rcu+0x9/0x30 kernel/softirq.c:743 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:__alloc_frozen_pages_noprof+0x232/0x370 mm/page_alloc.c:5283 Code: 44 3d 0d 00 00 43 c6 44 3d 0f 00 65 48 8b 0d b5 d9 87 10 48 3b 8c 24 a0 00 00 00 0f 85 24 01 00 00 48 8d 65 d8 5b 41 5c 41 5d <41> 5e 41 5f 5d e9 d4 b9 46 09 cc 4d 8b 24 24 4d 85 e4 0f 84 1c ff RSP: 0018:ffffc9000460f438 EFLAGS: 00000246 RAX: ffffea0001506f00 RBX: 0000000000000ca2 RCX: bd11b2bf6d143800 RDX: 0000000000000000 RSI: ffffffff8be08c40 RDI: ffffffff8be08c00 RBP: ffffc9000460f448 R08: ffffffff8fa25d77 R09: 1ffffffff1f44bae R10: dffffc0000000000 R11: fffffbfff1f44baf R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000140cca R15: dffffc0000000000 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2486 folio_alloc_mpol_noprof+0x39/0x70 mm/mempolicy.c:2505 shmem_alloc_folio mm/shmem.c:1902 [inline] shmem_alloc_and_add_folio+0x423/0xf40 mm/shmem.c:1944 shmem_get_folio_gfp+0x59d/0x1660 mm/shmem.c:2539 shmem_fault+0x179/0x390 mm/shmem.c:2740 __do_fault+0x138/0x390 mm/memory.c:5302 do_read_fault mm/memory.c:5737 [inline] do_fault mm/memory.c:5871 [inline] do_pte_missing+0x2206/0x3330 mm/memory.c:4416 handle_pte_fault mm/memory.c:6255 [inline] __handle_mm_fault mm/memory.c:6393 [inline] handle_mm_fault+0x1b26/0x32b0 mm/memory.c:6562 faultin_page mm/gup.c:1126 [inline] __get_user_pages+0x1650/0x29f0 mm/gup.c:1428 populate_vma_page_range+0x29f/0x3a0 mm/gup.c:1860 __mm_populate+0x24c/0x380 mm/gup.c:1963 mm_populate include/linux/mm.h:3679 [inline] vm_mmap_pgoff+0x387/0x4d0 mm/util.c:586 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3f4f38f749 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:00007f3f50287038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f3f4f5e6180 RCX: 00007f3f4f38f749 RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000200000000000 RBP: 00007f3f4f413f91 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3f4f5e6218 R14: 00007f3f4f5e6180 R15: 00007ffcdda6a4a8 ---------------- Code disassembly (best guess): 0: 89 f0 mov %esi,%eax 2: 48 c1 e8 03 shr $0x3,%rax 6: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) b: 74 08 je 0x15 d: 4c 89 f7 mov %r14,%rdi 10: e8 e7 c1 25 fb call 0xfb25c1fc 15: 49 83 3e 00 cmpq $0x0,(%r14) 19: 74 40 je 0x5b 1b: e8 0c f1 be fa call 0xfabef12c 20: 48 8d 3d 75 64 ad 08 lea 0x8ad6475(%rip),%rdi # 0x8ad649c 27: 48 89 de mov %rbx,%rsi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: b8 f0 ff ff ff mov $0xfffffff0,%eax 34: eb 11 jmp 0x47 36: e8 f1 f0 be fa call 0xfabef12c 3b: eb 05 jmp 0x42 3d: e8 .byte 0xe8 3e: ea (bad) 3f: f0 lock