cm109 2-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff888024fedf00 submitted while active WARNING: CPU: 0 PID: 4874 at drivers/usb/core/urb.c:378 usb_submit_urb+0x10b1/0x1990 drivers/usb/core/urb.c:378 Modules linked in: CPU: 0 PID: 4874 Comm: syz.2.303 Not tainted 5.15.179-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:usb_submit_urb+0x10b1/0x1990 drivers/usb/core/urb.c:378 Code: e2 53 fb eb 4d e8 4f e2 53 fb e9 fc ef ff ff e8 45 e2 53 fb c6 05 ec 4b ca 07 01 48 c7 c7 40 d2 44 8b 4c 89 ee e8 3f 77 1f fb <0f> 0b e9 c7 ef ff ff e8 23 e2 53 fb eb 1a e8 1c e2 53 fb eb 13 e8 RSP: 0018:ffffc90000007738 EFLAGS: 00010046 RAX: c8adf3f0e1973900 RBX: ffff8880769f9048 RCX: 0000000000040000 RDX: ffffc90002119000 RSI: 00000000000076a7 RDI: 00000000000076a8 RBP: ffff888024fedf08 R08: ffffffff8166be4c R09: fffff52000000e29 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888024fedf00 R14: 0000000000000a20 R15: ffff88801c2d02d1 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3061cff8 CR3: 000000005f535000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: cm109_urb_irq_callback+0x6c4/0xc20 drivers/input/misc/cm109.c:422 __usb_hcd_giveback_urb+0x371/0x530 drivers/usb/core/hcd.c:1674 dummy_timer+0x8ad/0x3200 drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x16d/0x560 kernel/time/timer.c:1451 expire_timers kernel/time/timer.c:1496 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1767 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558 __do_softirq kernel/softirq.c:592 [inline] invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:instrument_atomic_read include/linux/instrumented.h:71 [inline] RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline] RIP: 0010:lock_page_memcg+0x2cc/0x4d0 mm/memcontrol.c:2064 Code: 01 00 74 0a 48 8d 7c 24 60 e8 80 3f fb ff f6 44 24 61 02 0f 85 f9 00 00 00 41 f7 c4 00 02 00 00 74 01 fb 49 8d 9e 80 10 00 00 <48> 89 df be 04 00 00 00 e8 e7 40 fb ff 48 89 d8 48 c1 e8 03 48 b9 RSP: 0018:ffffc9000336f2c0 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: ffff888018155080 RCX: 1ffff9200066de64 RDX: dffffc0000000000 RSI: ffffffff8aab2a60 RDI: ffffffff8af9fa80 RBP: ffffc9000336f3b8 R08: dffffc0000000000 R09: fffffbfff2131e19 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000246 R13: ffffea0001a547b8 R14: ffff888018154000 R15: ffff888018154670 page_remove_rmap+0x2a/0x11e0 mm/rmap.c:1351 zap_pte_range mm/memory.c:1384 [inline] zap_pmd_range mm/memory.c:1505 [inline] zap_pud_range mm/memory.c:1534 [inline] zap_p4d_range mm/memory.c:1555 [inline] unmap_page_range+0xffa/0x2630 mm/memory.c:1576 unmap_vmas+0x1f8/0x390 mm/memory.c:1653 exit_mmap+0x3b6/0x620 mm/mmap.c:3204 __mmput+0x112/0x3b0 kernel/fork.c:1127 exit_mm+0x688/0x7f0 kernel/exit.c:550 do_exit+0x626/0x2480 kernel/exit.c:861 do_group_exit+0x144/0x310 kernel/exit.c:996 get_signal+0xc66/0x14e0 kernel/signal.c:2900 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:154 [inline] exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f608b848169 Code: Unable to access opcode bytes at RIP 0x7f608b84813f. RSP: 002b:00007f60896b10e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 00007f608ba60fa8 RCX: 00007f608b848169 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f608ba60fac RBP: 00007f608ba60fa0 R08: 0000000000000010 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f608ba60fac R13: 0000000000000000 R14: 00007ffd4936dc90 R15: 00007ffd4936dd78 ---------------- Code disassembly (best guess): 0: 01 00 add %eax,(%rax) 2: 74 0a je 0xe 4: 48 8d 7c 24 60 lea 0x60(%rsp),%rdi 9: e8 80 3f fb ff call 0xfffb3f8e e: f6 44 24 61 02 testb $0x2,0x61(%rsp) 13: 0f 85 f9 00 00 00 jne 0x112 19: 41 f7 c4 00 02 00 00 test $0x200,%r12d 20: 74 01 je 0x23 22: fb sti 23: 49 8d 9e 80 10 00 00 lea 0x1080(%r14),%rbx * 2a: 48 89 df mov %rbx,%rdi <-- trapping instruction 2d: be 04 00 00 00 mov $0x4,%esi 32: e8 e7 40 fb ff call 0xfffb411e 37: 48 89 d8 mov %rbx,%rax 3a: 48 c1 e8 03 shr $0x3,%rax 3e: 48 rex.W 3f: b9 .byte 0xb9