cm109 6-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff888067109700 submitted while active WARNING: CPU: 1 PID: 6626 at drivers/usb/core/urb.c:379 usb_submit_urb+0xff9/0x1920 drivers/usb/core/urb.c:379 Modules linked in: CPU: 1 PID: 6626 Comm: syz.5.15099 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:usb_submit_urb+0xff9/0x1920 drivers/usb/core/urb.c:379 Code: a6 2e 8b 89 ea e8 2a cd ff 03 e9 f7 fb ff ff e8 1d ae 5b fb c6 05 9e b0 e4 07 01 48 c7 c7 40 a4 2e 8b 48 89 de e8 a7 1e 27 fb <0f> 0b e9 7d f0 ff ff e8 fb ad 5b fb eb 21 e8 f4 ad 5b fb 44 8b 6c RSP: 0018:ffffc900001e0840 EFLAGS: 00010046 RAX: 26a5dd719e36eb00 RBX: ffff888067109700 RCX: 0000000000040000 RDX: ffffc900022e2000 RSI: 000000000000461b RDI: 000000000000461c RBP: 000000000000000f R08: ffffc900001e04c7 R09: 1ffff9200003c098 R10: dffffc0000000000 R11: fffff5200003c099 R12: dffffc0000000000 R13: 0000000000000a20 R14: ffff888067109708 R15: ffff88807ddaf048 FS: 000055556eedf500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f79bd61f000 CR3: 000000007cfbf000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: cm109_urb_irq_callback+0x701/0xc70 drivers/input/misc/cm109.c:422 __usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1675 dummy_timer+0xbf6/0x3090 drivers/usb/gadget/udc/dummy_hcd.c:1994 __run_hrtimer kernel/time/hrtimer.c:1747 [inline] __hrtimer_run_queues+0x54a/0xd50 kernel/time/hrtimer.c:1811 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828 handle_softirqs+0x2a1/0x930 kernel/softirq.c:596 __do_softirq kernel/softirq.c:630 [inline] invoke_softirq kernel/softirq.c:470 [inline] __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:kasan_set_track+0xd/0x70 mm/kasan/common.c:51 Code: f1 41 89 d8 e8 b4 67 65 02 48 8d 65 e8 5b 41 5e 41 5f 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 53 48 83 e4 f0 <48> 81 ec 10 02 00 00 41 89 f6 48 89 fb 65 48 8b 05 0e 19 2f 7e 8b RSP: 0018:ffffc90005dffb70 EFLAGS: 00000282 RAX: 0000000000001000 RBX: ffff88807cca6000 RCX: 0000000000000000 RDX: 0000000000000dc0 RSI: 0000000000000dc0 RDI: ffff88807cca7000 RBP: ffffc90005dffb88 R08: dffffc0000000000 R09: ffffed100f994d44 R10: dffffc0000000000 R11: fffffbfff1c3fbde R12: ffffffff851191b0 R13: ffffffff8b3e9120 R14: ffff888017442140 R15: 0000000000000a20 ____kasan_kmalloc mm/kasan/common.c:375 [inline] __kasan_kmalloc+0x8e/0xa0 mm/kasan/common.c:384 kmalloc include/linux/slab.h:563 [inline] kzalloc include/linux/slab.h:699 [inline] kobject_uevent_env+0x270/0x8a0 lib/kobject_uevent.c:539 device_remove drivers/base/dd.c:548 [inline] __device_release_driver drivers/base/dd.c:1260 [inline] device_release_driver_internal+0x4be/0x850 drivers/base/dd.c:1286 driver_detach+0x1ef/0x2d0 drivers/base/dd.c:1349 bus_remove_driver+0x11c/0x230 drivers/base/bus.c:679 usb_gadget_unregister_driver+0x4a/0x70 drivers/usb/gadget/udc/core.c:1735 raw_release+0xd6/0x260 drivers/usb/gadget/legacy/raw_gadget.c:416 __fput+0x22c/0x920 fs/file_table.c:320 task_work_run+0x1d0/0x260 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f095399c819 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc2f2cad98 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007ffc2f2cae80 RCX: 00007f095399c819 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 000000000016d93c R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b2d820000 R11: 0000000000000246 R12: 00007ffc2f2caec0 R13: 00007f0953c15fac R14: 000000000016de0c R15: 00007f0953c15fa0 ---------------- Code disassembly (best guess): 0: f1 int1 1: 41 89 d8 mov %ebx,%r8d 4: e8 b4 67 65 02 call 0x26567bd 9: 48 8d 65 e8 lea -0x18(%rbp),%rsp d: 5b pop %rbx e: 41 5e pop %r14 10: 41 5f pop %r15 12: 5d pop %rbp 13: c3 ret 14: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 1b: 00 00 1d: 55 push %rbp 1e: 48 89 e5 mov %rsp,%rbp 21: 41 57 push %r15 23: 41 56 push %r14 25: 53 push %rbx 26: 48 83 e4 f0 and $0xfffffffffffffff0,%rsp * 2a: 48 81 ec 10 02 00 00 sub $0x210,%rsp <-- trapping instruction 31: 41 89 f6 mov %esi,%r14d 34: 48 89 fb mov %rdi,%rbx 37: 65 48 8b 05 0e 19 2f mov %gs:0x7e2f190e(%rip),%rax # 0x7e2f194d 3e: 7e 3f: 8b .byte 0x8b