BUG: kernel NULL pointer dereference, address: 0000000000000010
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 80000001173db067 P4D 80000001173db067 PUD 0 
Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 0 PID: 4495 Comm: syz.2.17 Not tainted 6.9.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:su3000_i2c_transfer+0xac/0x3e0 drivers/media/usb/dvb-usb/dw2102.c:737
Code: 68 02 48 8d 48 03 48 89 4c 24 18 48 8d 48 05 48 89 4c 24 38 48 83 c0 06 48 89 44 24 20 45 31 e4 48 8b 1c 24 eb 44 49 8b 47 08 <0f> b6 00 04 36 48 8b 4c 24 10 88 41 02 66 c7 41 03 03 00 48 89 df
RSP: 0018:ffffc90001bd3d70 EFLAGS: 00010246
RAX: 0000000000000010 RBX: ffff888116150000 RCX: ffff888114fe7f85
RDX: ffff888116135280 RSI: ffffffff83b6df7b RDI: 00000000ffffffff
RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000291
R10: 0000000000000003 R11: ffffffff811a34b0 R12: 0000000000000000
R13: ffff888114fe7f82 R14: ffff88811704b3a0 R15: ffff88811704b3a0
FS:  00007f6c131636c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000010 CR3: 0000000115d0c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __i2c_transfer+0x385/0x700 drivers/i2c/i2c-core-base.c:-1
 i2c_transfer+0xbb/0xf0 drivers/i2c/i2c-core-base.c:2301
 i2cdev_ioctl_rdwr+0x13b/0x1f0 drivers/i2c/i2c-dev.c:297
 i2cdev_ioctl+0x26f/0x330 drivers/i2c/i2c-dev.c:458
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:904 [inline]
 __se_sys_ioctl+0x69/0xc0 fs/ioctl.c:890
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x97/0x190 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x72/0x7a
RIP: 0033:0x7f6c1238ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6c13163038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6c125b5fa0 RCX: 00007f6c1238ebe9
RDX: 0000200000000a40 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 00007f6c12411e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6c125b6038 R14: 00007f6c125b5fa0 R15: 00007ffee8f1caf8
 </TASK>
Modules linked in:
CR2: 0000000000000010
---[ end trace 0000000000000000 ]---
RIP: 0010:su3000_i2c_transfer+0xac/0x3e0 drivers/media/usb/dvb-usb/dw2102.c:737
Code: 68 02 48 8d 48 03 48 89 4c 24 18 48 8d 48 05 48 89 4c 24 38 48 83 c0 06 48 89 44 24 20 45 31 e4 48 8b 1c 24 eb 44 49 8b 47 08 <0f> b6 00 04 36 48 8b 4c 24 10 88 41 02 66 c7 41 03 03 00 48 89 df
RSP: 0018:ffffc90001bd3d70 EFLAGS: 00010246
RAX: 0000000000000010 RBX: ffff888116150000 RCX: ffff888114fe7f85
RDX: ffff888116135280 RSI: ffffffff83b6df7b RDI: 00000000ffffffff
RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000291
R10: 0000000000000003 R11: ffffffff811a34b0 R12: 0000000000000000
R13: ffff888114fe7f82 R14: ffff88811704b3a0 R15: ffff88811704b3a0
FS:  00007f6c131636c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000010 CR3: 0000000115d0c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	68 02 48 8d 48       	push   $0x488d4802
   5:	03 48 89             	add    -0x77(%rax),%ecx
   8:	4c 24 18             	rex.WR and $0x18,%al
   b:	48 8d 48 05          	lea    0x5(%rax),%rcx
   f:	48 89 4c 24 38       	mov    %rcx,0x38(%rsp)
  14:	48 83 c0 06          	add    $0x6,%rax
  18:	48 89 44 24 20       	mov    %rax,0x20(%rsp)
  1d:	45 31 e4             	xor    %r12d,%r12d
  20:	48 8b 1c 24          	mov    (%rsp),%rbx
  24:	eb 44                	jmp    0x6a
  26:	49 8b 47 08          	mov    0x8(%r15),%rax
* 2a:	0f b6 00             	movzbl (%rax),%eax <-- trapping instruction
  2d:	04 36                	add    $0x36,%al
  2f:	48 8b 4c 24 10       	mov    0x10(%rsp),%rcx
  34:	88 41 02             	mov    %al,0x2(%rcx)
  37:	66 c7 41 03 03 00    	movw   $0x3,0x3(%rcx)
  3d:	48 89 df             	mov    %rbx,%rdi