cm109 6-1:0.8: cm109_urb_irq_callback: urb status -71
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URB ffff88802029b600 submitted while active
WARNING: CPU: 0 PID: 4734 at drivers/usb/core/urb.c:378 usb_submit_urb+0xff2/0x1910 drivers/usb/core/urb.c:378
Modules linked in:
CPU: 0 PID: 4734 Comm: syz.2.151 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:usb_submit_urb+0xff2/0x1910 drivers/usb/core/urb.c:378
Code: 1b c5 8a 89 ea e8 4e 3c d7 03 e9 fb fb ff ff e8 14 fc 9a fb c6 05 2d 18 98 07 01 48 c7 c7 e0 19 c5 8a 48 89 de e8 4e 54 d3 03 <0f> 0b e9 84 f0 ff ff e8 f2 fb 9a fb eb 21 e8 eb fb 9a fb 44 8b 6c
RSP: 0018:ffffc90000007780 EFLAGS: 00010046
RAX: a94f505fbba90a00 RBX: ffff88802029b600 RCX: 0000000000040000
RDX: ffffc90002379000 RSI: 0000000000001aa0 RDI: 0000000000001aa1
RBP: 000000000000000f R08: ffff8880b902795b R09: 1ffff11017204f2b
R10: dffffc0000000000 R11: ffffed1017204f2c R12: dffffc0000000000
R13: 0000000000000a20 R14: ffff88802029b608 R15: ffff8880794eb048
FS: 00007fbd020996c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b34117ff8 CR3: 000000002a541000 CR4: 00000000003506f0
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:1674
dummy_timer+0x8a8/0x31e0 drivers/usb/gadget/udc/dummy_hcd.c:1988
call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648
expire_timers kernel/time/timer.c:1699 [inline]
__run_timers+0x53e/0x800 kernel/time/timer.c:1970
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983
handle_softirqs+0x339/0x830 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
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:console_unlock+0xcad/0x1120 kernel/printk/printk.c:2749
Code: 75 11 e8 36 da 18 00 4d 85 ff 75 16 e8 2c da 18 00 eb 15 e8 25 da 18 00 e8 e0 21 5c 08 4d 85 ff 74 ea e8 16 da 18 00 fb 31 ff <89> de e8 6c dd 18 00 85 db 0f 94 c0 22 44 24 17 3c 01 75 1f e8 fa
RSP: 0018:ffffc900033bede0 EFLAGS: 00000246
RAX: ffffffff816046fa RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90005eba000 RSI: 000000000003d944 RDI: 0000000000000000
RBP: ffffc900033bf050 R08: ffffffff901d40c7 R09: 1ffffffff203a818
R10: dffffc0000000000 R11: fffffbfff203a819 R12: 1ffffffff198d6fd
R13: 0000000000000046 R14: 0000000000000000 R15: 0000000000000200
vprintk_emit+0xc0/0x150 kernel/printk/printk.c:2274
_printk+0xda/0x130 kernel/printk/printk.c:2299
set_capacity_and_notify+0x378/0x3a0 block/genhd.c:86
loop_set_size+0x44/0xa0 drivers/block/loop.c:286
loop_configure+0xf78/0x1480 drivers/block/loop.c:1308
lo_ioctl+0x2e1/0x20f0 drivers/block/loop.c:1853
blkdev_ioctl+0x33b/0x700 block/ioctl.c:604
block_ioctl+0xac/0xf0 block/fops.c:496
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fbd03e3f4ab
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007fbd02098db0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbd03e3f4ab
RDX: 0000000000000003 RSI: 0000000000004c00 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 00007fbd02098ee0 R14: 00007fbd02098ea0 R15: 00007fbcf9c79000
----------------
Code disassembly (best guess):
0: 75 11 jne 0x13
2: e8 36 da 18 00 call 0x18da3d
7: 4d 85 ff test %r15,%r15
a: 75 16 jne 0x22
c: e8 2c da 18 00 call 0x18da3d
11: eb 15 jmp 0x28
13: e8 25 da 18 00 call 0x18da3d
18: e8 e0 21 5c 08 call 0x85c21fd
1d: 4d 85 ff test %r15,%r15
20: 74 ea je 0xc
22: e8 16 da 18 00 call 0x18da3d
27: fb sti
28: 31 ff xor %edi,%edi
* 2a: 89 de mov %ebx,%esi <-- trapping instruction
2c: e8 6c dd 18 00 call 0x18dd9d
31: 85 db test %ebx,%ebx
33: 0f 94 c0 sete %al
36: 22 44 24 17 and 0x17(%rsp),%al
3a: 3c 01 cmp $0x1,%al
3c: 75 1f jne 0x5d
3e: e8 .byte 0xe8
3f: fa cli