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 NOPTI
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 1 UID: 0 PID: 14265 Comm: syz.1.1968 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:su3000_i2c_transfer+0x52a/0xf30 drivers/media/usb/dvb-usb/dw2102.c:752
Code: 08 0f b6 00 83 e2 07 38 d0 7f 08 84 c0 0f 85 c9 08 00 00 48 8d 7d 01 45 0f b6 6c 24 02 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 <42> 0f b6 04 38 38 d0 7f 08 84 c0 0f 85 f2 08 00 00 49 8d 7c 24 03
RSP: 0018:ffffc9000bf87c40 EFLAGS: 00010202
RAX: 0000000000000002 RBX: ffff88805ed5e7c0 RCX: ffffc9000cceb000
RDX: 0000000000000001 RSI: ffffffff87fba86e RDI: 0000000000000011
RBP: 0000000000000010 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: fffffffffffc5ab8 R12: ffff88807c50e600
R13: 0000000000000010 R14: 0000000000000001 R15: dffffc0000000000
FS:  00007f74eedf66c0(0000) GS:ffff8881247b8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f306c3bb900 CR3: 00000000610aa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000025 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __i2c_transfer+0x6b3/0x2190 drivers/i2c/i2c-core-base.c:2264
 i2c_transfer drivers/i2c/i2c-core-base.c:2320 [inline]
 i2c_transfer+0x1da/0x380 drivers/i2c/i2c-core-base.c:2296
 i2cdev_ioctl_rdwr+0x373/0x710 drivers/i2c/i2c-dev.c:306
 i2cdev_ioctl+0x5ff/0x820 drivers/i2c/i2c-dev.c:467
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl fs/ioctl.c:584 [inline]
 __x64_sys_ioctl+0x18b/0x210 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f74f0b8ebe9
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:00007f74eedf6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f74f0dc5fa0 RCX: 00007f74f0b8ebe9
RDX: 0000200000000a40 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 00007f74f0c11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f74f0dc6038 R14: 00007f74f0dc5fa0 R15: 00007ffe8a063488
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:su3000_i2c_transfer+0x52a/0xf30 drivers/media/usb/dvb-usb/dw2102.c:752
Code: 08 0f b6 00 83 e2 07 38 d0 7f 08 84 c0 0f 85 c9 08 00 00 48 8d 7d 01 45 0f b6 6c 24 02 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 <42> 0f b6 04 38 38 d0 7f 08 84 c0 0f 85 f2 08 00 00 49 8d 7c 24 03
RSP: 0018:ffffc9000bf87c40 EFLAGS: 00010202
RAX: 0000000000000002 RBX: ffff88805ed5e7c0 RCX: ffffc9000cceb000
RDX: 0000000000000001 RSI: ffffffff87fba86e RDI: 0000000000000011
RBP: 0000000000000010 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: fffffffffffc5ab8 R12: ffff88807c50e600
R13: 0000000000000010 R14: 0000000000000001 R15: dffffc0000000000
FS:  00007f74eedf66c0(0000) GS:ffff8881247b8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc4b9b5da8 CR3: 00000000610aa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000025 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	08 0f                	or     %cl,(%rdi)
   2:	b6 00                	mov    $0x0,%dh
   4:	83 e2 07             	and    $0x7,%edx
   7:	38 d0                	cmp    %dl,%al
   9:	7f 08                	jg     0x13
   b:	84 c0                	test   %al,%al
   d:	0f 85 c9 08 00 00    	jne    0x8dc
  13:	48 8d 7d 01          	lea    0x1(%rbp),%rdi
  17:	45 0f b6 6c 24 02    	movzbl 0x2(%r12),%r13d
  1d:	48 89 f8             	mov    %rdi,%rax
  20:	48 89 fa             	mov    %rdi,%rdx
  23:	48 c1 e8 03          	shr    $0x3,%rax
  27:	83 e2 07             	and    $0x7,%edx
* 2a:	42 0f b6 04 38       	movzbl (%rax,%r15,1),%eax <-- trapping instruction
  2f:	38 d0                	cmp    %dl,%al
  31:	7f 08                	jg     0x3b
  33:	84 c0                	test   %al,%al
  35:	0f 85 f2 08 00 00    	jne    0x92d
  3b:	49 8d 7c 24 03       	lea    0x3(%r12),%rdi