Oops: general protection fault, probably for non-canonical address 0xdffffc0000000038: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x00000000000001c0-0x00000000000001c7]
CPU: 1 UID: 0 PID: 16604 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
RIP: 0010:__queue_work+0xa2/0xf90 kernel/workqueue.c:2269
Code: 11 31 ff 89 ee e8 4e f4 37 00 85 ed 0f 85 ef 0c 00 00 e8 01 f0 37 00 4d 8d b7 c0 01 00 00 4c 89 f0 48 c1 e8 03 48 89 44 24 28 <42> 0f b6 04 20 84 c0 0f 85 22 0d 00 00 4c 89 34 24 41 8b 2e 89 ee
RSP: 0018:ffffc90000a087f8 EFLAGS: 00010002
RAX: 0000000000000038 RBX: 0000000000000008 RCX: 0000000000040000
RDX: ffffc90002342000 RSI: 0000000000000205 RDI: 0000000000000206
RBP: 0000000000000000 R08: ffff88807dfac01f R09: 1ffff1100fbf5803
R10: dffffc0000000000 R11: ffffed100fbf5804 R12: dffffc0000000000
R13: ffff88807dfac018 R14: 00000000000001c0 R15: 0000000000000000
FS:  00007f3c65567880(0000) GS:ffff8881253b4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000404030 CR3: 000000007763a000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 queue_work_on+0x106/0x1d0 kernel/workqueue.c:2405
 qt2_process_read_urb drivers/usb/serial/quatech2.c:541 [inline]
 qt2_read_bulk_callback+0xe96/0x1030 drivers/usb/serial/quatech2.c:574
 __usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1657
 dummy_timer+0xbbd/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1995
 __run_hrtimer kernel/time/hrtimer.c:1785 [inline]
 __hrtimer_run_queues+0x529/0xc30 kernel/time/hrtimer.c:1849
 hrtimer_run_softirq+0x182/0x5a0 kernel/time/hrtimer.c:1866
 handle_softirqs+0x22a/0x7c0 kernel/softirq.c:626
 __do_softirq kernel/softirq.c:660 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0x5f/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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:tomoyo_check_acl+0x30d/0x400 security/tomoyo/domain.c:183
Code: a3 34 24 41 0f 93 c7 40 0f 92 c6 bf 02 00 00 00 e8 b8 d4 6b fd 45 84 ff 74 12 41 0f b7 c5 3d 00 01 00 00 74 79 e8 a3 d1 6b fd <eb> b4 e8 9c d1 6b fd 48 8b 44 24 10 80 3c 18 00 4c 8b 7c 24 18 74
RSP: 0018:ffffc90014cbf648 EFLAGS: 00000293
RAX: ffffffff8459079d RBX: dffffc0000000000 RCX: ffff8880329dbc80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffff8880362ac790 R08: ffff8880362ac7c7 R09: 1ffff11006c558f8
R10: dffffc0000000000 R11: ffffed1006c558f9 R12: ffff8880362ac7b0
R13: 00000000000000a1 R14: 00000000000000a0 R15: 0000000000000001
 tomoyo_path_permission+0x1b4/0x380 security/tomoyo/file.c:591
 tomoyo_path_perm+0x3f3/0x560 security/tomoyo/file.c:843
 security_file_truncate+0xa9/0x240 security/security.c:2668
 handle_truncate fs/namei.c:4277 [inline]
 do_open fs/namei.c:4675 [inline]
 path_openat+0x2f32/0x3860 fs/namei.c:4830
 do_file_open+0x23e/0x4a0 fs/namei.c:4859
 do_sys_openat2+0x113/0x200 fs/open.c:1366
 do_sys_open fs/open.c:1372 [inline]
 __do_sys_openat fs/open.c:1388 [inline]
 __se_sys_openat fs/open.c:1383 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1383
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3c64ea7407
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:00007ffd79dc7e20 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f3c65567880 RCX: 00007f3c64ea7407
RDX: 00000000000a0241 RSI: 00007ffd79dc8ae0 RDI: ffffffffffffff9c
RBP: 000055fcd5eac530 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000124 R11: 0000000000000202 R12: 000055fcd5e7dba0
R13: 00007ffd79dc8ae0 R14: 00007ffd79dc86e0 R15: 00007ffd79dc82e0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__queue_work+0xa2/0xf90 kernel/workqueue.c:2269
Code: 11 31 ff 89 ee e8 4e f4 37 00 85 ed 0f 85 ef 0c 00 00 e8 01 f0 37 00 4d 8d b7 c0 01 00 00 4c 89 f0 48 c1 e8 03 48 89 44 24 28 <42> 0f b6 04 20 84 c0 0f 85 22 0d 00 00 4c 89 34 24 41 8b 2e 89 ee
RSP: 0018:ffffc90000a087f8 EFLAGS: 00010002
RAX: 0000000000000038 RBX: 0000000000000008 RCX: 0000000000040000
RDX: ffffc90002342000 RSI: 0000000000000205 RDI: 0000000000000206
RBP: 0000000000000000 R08: ffff88807dfac01f R09: 1ffff1100fbf5803
R10: dffffc0000000000 R11: ffffed100fbf5804 R12: dffffc0000000000
R13: ffff88807dfac018 R14: 00000000000001c0 R15: 0000000000000000
FS:  00007f3c65567880(0000) GS:ffff8881253b4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000404030 CR3: 000000007763a000 CR4: 00000000003526f0
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	31 ff                	xor    %edi,%edi
   2:	89 ee                	mov    %ebp,%esi
   4:	e8 4e f4 37 00       	call   0x37f457
   9:	85 ed                	test   %ebp,%ebp
   b:	0f 85 ef 0c 00 00    	jne    0xd00
  11:	e8 01 f0 37 00       	call   0x37f017
  16:	4d 8d b7 c0 01 00 00 	lea    0x1c0(%r15),%r14
  1d:	4c 89 f0             	mov    %r14,%rax
  20:	48 c1 e8 03          	shr    $0x3,%rax
  24:	48 89 44 24 28       	mov    %rax,0x28(%rsp)
* 29:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	0f 85 22 0d 00 00    	jne    0xd58
  36:	4c 89 34 24          	mov    %r14,(%rsp)
  3a:	41 8b 2e             	mov    (%r14),%ebp
  3d:	89 ee                	mov    %ebp,%esi