dvb-usb: bulk message failed: -22 (1/0)
dw2102: i2c transfer failed.
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 1 UID: 0 PID: 21629 Comm: syz.8.4445 Not tainted 6.17.0-rc1-syzkaller-00224-g8d561baae505 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:su3000_i2c_transfer+0x2e3/0x1040 drivers/media/usb/dvb-usb/dw2102.c:752
Code: 0f b6 18 49 83 c7 08 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 5a b5 3c fa 4d 8b 37 49 ff c6 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 e6 08 00 00 41 88 1e 48 8b 44 24 48 42
RSP: 0018:ffffc90013be7aa8 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000010 RCX: f8d402570a6d1400
RDX: ffffc9001041e000 RSI: 000000000000333a RDI: 000000000000333b
RBP: 0000000000000000 R08: ffffc90013be77c7 R09: 1ffff9200277cef8
R10: dffffc0000000000 R11: fffff5200277cef9 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000011 R15: ffff88803e1b55c8
FS:  00007f8c30e766c0(0000) GS:ffff888125d1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555591b6e808 CR3: 0000000061b8a000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __i2c_transfer+0x871/0x2170 drivers/i2c/i2c-core-base.c:-1
 i2c_transfer+0x25b/0x3a0 drivers/i2c/i2c-core-base.c:2320
 i2cdev_ioctl_rdwr+0x460/0x740 drivers/i2c/i2c-dev.c:306
 i2cdev_ioctl+0x64b/0x7f0 drivers/i2c/i2c-dev.c:467
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8c2ff8ebe9
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:00007f8c30e76038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f8c301b5fa0 RCX: 00007f8c2ff8ebe9
RDX: 0000200000000a40 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 00007f8c30011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8c301b6038 R14: 00007f8c301b5fa0 R15: 00007f8c302dfa28
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:su3000_i2c_transfer+0x2e3/0x1040 drivers/media/usb/dvb-usb/dw2102.c:752
Code: 0f b6 18 49 83 c7 08 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 5a b5 3c fa 4d 8b 37 49 ff c6 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 e6 08 00 00 41 88 1e 48 8b 44 24 48 42
RSP: 0018:ffffc90013be7aa8 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000010 RCX: f8d402570a6d1400
RDX: ffffc9001041e000 RSI: 000000000000333a RDI: 000000000000333b
RBP: 0000000000000000 R08: ffffc90013be77c7 R09: 1ffff9200277cef8
R10: dffffc0000000000 R11: fffff5200277cef9 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000011 R15: ffff88803e1b55c8
FS:  00007f8c30e766c0(0000) GS:ffff888125c1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555591b895c8 CR3: 0000000061b8a000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	0f b6 18             	movzbl (%rax),%ebx
   3:	49 83 c7 08          	add    $0x8,%r15
   7:	4c 89 f8             	mov    %r15,%rax
   a:	48 c1 e8 03          	shr    $0x3,%rax
   e:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  13:	74 08                	je     0x1d
  15:	4c 89 ff             	mov    %r15,%rdi
  18:	e8 5a b5 3c fa       	call   0xfa3cb577
  1d:	4d 8b 37             	mov    (%r15),%r14
  20:	49 ff c6             	inc    %r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 e6 08 00 00    	jne    0x91d
  37:	41 88 1e             	mov    %bl,(%r14)
  3a:	48 8b 44 24 48       	mov    0x48(%rsp),%rax
  3f:	42                   	rex.X