syzbot

cm109 4-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff88801e3f9800 submitted while active
WARNING: CPU: 0 PID: 4192 at drivers/usb/core/urb.c:378 usb_submit_urb+0x1057/0x1980 drivers/usb/core/urb.c:378
Modules linked in:
CPU: 0 PID: 4192 Comm: udevd Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:usb_submit_urb+0x1057/0x1980 drivers/usb/core/urb.c:378
Code: 99 a9 fb eb 53 e8 99 99 a9 fb e9 54 f0 ff ff e8 8f 99 a9 fb c6 05 8a a1 87 07 01 48 c7 c7 60 50 a4 8a 48 89 de e8 49 3d cf 03 <0f> 0b e9 1f f0 ff ff e8 6d 99 a9 fb eb 20 e8 66 99 a9 fb 4c 8b 74
RSP: 0018:ffffc90000007780 EFLAGS: 00010046
RAX: 47d77369db6c8c00 RBX: ffff88801e3f9800 RCX: ffff88807501bb80
RDX: 0000000000000100 RSI: 0000000080000101 RDI: 0000000000000000
RBP: 000000000000000f R08: dffffc0000000000 R09: ffffed1017204f24
R10: ffffed1017204f24 R11: 1ffff11017204f23 R12: 0000000000000a20
R13: dffffc0000000000 R14: ffff88801e3f9808 R15: ffff888073484848
FS:  00007fab5462d880(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1afdc28020 CR3: 0000000022433000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 cm109_urb_irq_callback+0x728/0xc90 drivers/input/misc/cm109.c:422
 __usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1674
 dummy_timer+0x827/0x2e10 drivers/usb/gadget/udc/dummy_hcd.c:1987
 call_timer_fn+0x16c/0x530 kernel/time/timer.c:1451
 expire_timers kernel/time/timer.c:1496 [inline]
 __run_timers+0x525/0x7c0 kernel/time/timer.c:1767
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
 handle_softirqs+0x328/0x820 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x12f/0x220 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:variable_test_bit arch/x86/include/asm/bitops.h:214 [inline]
RIP: 0010:test_bit include/asm-generic/bitops/instrumented-non-atomic.h:135 [inline]
RIP: 0010:tomoyo_check_acl+0x2e6/0x3f0 security/tomoyo/domain.c:184
Code: 00 4d 8d 74 24 ff 44 89 f7 c1 ef 03 81 e7 f8 1f 00 00 4c 8b 7c 24 28 4c 01 ff be 08 00 00 00 e8 b0 0d 21 fe 31 f6 4d 0f a3 37 <40> 0f 93 c5 40 0f 92 c6 bf 02 00 00 00 e8 28 ab dc fd 40 84 ed 74
RSP: 0018:ffffc90002f3f5f0 EFLAGS: 00000246
RAX: ffffffff839b1b01 RBX: dffffc0000000000 RCX: ffffffff839b1b40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888029fa0348
RBP: ffff888029fa0301 R08: dffffc0000000000 R09: ffffed10053f406a
R10: ffffed10053f406a R11: 1ffff110053f4069 R12: 00000000000000e4
R13: 0000000000001710 R14: 00000000000000e3 R15: ffff888029fa0330
 tomoyo_path_permission+0x1b4/0x380 security/tomoyo/file.c:586
 tomoyo_check_open_permission+0x216/0x360 security/tomoyo/file.c:777
 security_file_open+0x5e/0xa0 security/security.c:1668
 do_dentry_open+0x322/0xf80 fs/open.c:813
 do_open fs/namei.c:3608 [inline]
 path_openat+0x2682/0x2f30 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x142/0x4a0 fs/open.c:1253
 do_sys_open fs/open.c:1269 [inline]
 __do_sys_openat fs/open.c:1285 [inline]
 __se_sys_openat fs/open.c:1280 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1280
 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: 0033:0x7fab5471b407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffc8cff1af0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fab5462d880 RCX: 00007fab5471b407
RDX: 0000000000080000 RSI: 00007ffc8cff1c70 RDI: ffffffffffffff9c
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000559cfa75d7f5
R13: 0000559cfa75d7f5 R14: 0000000000000001 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 4d 8d             	add    %cl,-0x73(%rbp)
   3:	74 24                	je     0x29
   5:	ff 44 89 f7          	incl   -0x9(%rcx,%rcx,4)
   9:	c1 ef 03             	shr    $0x3,%edi
   c:	81 e7 f8 1f 00 00    	and    $0x1ff8,%edi
  12:	4c 8b 7c 24 28       	mov    0x28(%rsp),%r15
  17:	4c 01 ff             	add    %r15,%rdi
  1a:	be 08 00 00 00       	mov    $0x8,%esi
  1f:	e8 b0 0d 21 fe       	call   0xfe210dd4
  24:	31 f6                	xor    %esi,%esi
  26:	4d 0f a3 37          	bt     %r14,(%r15)
* 2a:	40 0f 93 c5          	setae  %bpl <-- trapping instruction
  2e:	40 0f 92 c6          	setb   %sil
  32:	bf 02 00 00 00       	mov    $0x2,%edi
  37:	e8 28 ab dc fd       	call   0xfddcab64
  3c:	40 84 ed             	test   %bpl,%bpl
  3f:	74                   	.byte 0x74