Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 0 UID: 0 PID: 11784 Comm: syz.6.1390 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:su3000_i2c_transfer+0x607/0xd90 drivers/media/usb/dvb-usb/dw2102.c:740
Code: b3 08 fa 48 8d 7b 08 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 23 06 00 00 48 8b 5b 08 48 89 d8 48 89 da 48 c1 e8 03 83 e2 07 <42> 0f b6 04 20 38 d0 7f 08 84 c0 0f 85 f4 05 00 00 48 8b 44 24 10
RSP: 0000:ffffc9000373fc10 EFLAGS: 00010246
RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffffc90005451000
RDX: 0000000000000000 RSI: ffffffff87ffe670 RDI: ffff88807a60c5a8
RBP: 0000000000001900 R08: 0000000000000003 R09: 0000000000001a00
R10: 0000000000001900 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff8880380b5b02 R14: 0000000000000000 R15: ffff8880380b5b00
FS:  00007f80f6c696c0(0000) GS:ffff88812434a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fda55145690 CR3: 0000000061f66000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __i2c_transfer+0x5d9/0x17f0 drivers/i2c/i2c-core-base.c:2261
 i2c_transfer+0x15f/0x380 drivers/i2c/i2c-core-base.c:2317
 i2cdev_ioctl_rdwr+0x3ec/0x700 drivers/i2c/i2c-dev.c:306
 i2cdev_ioctl+0x19d/0x830 drivers/i2c/i2c-dev.c:467
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f80f5d9c629
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f80f6c69028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f80f6015fa0 RCX: 00007f80f5d9c629
RDX: 0000200000000a40 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 00007f80f5e32b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f80f6016038 R14: 00007f80f6015fa0 R15: 00007ffc6dad2da8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:su3000_i2c_transfer+0x607/0xd90 drivers/media/usb/dvb-usb/dw2102.c:740
Code: b3 08 fa 48 8d 7b 08 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 23 06 00 00 48 8b 5b 08 48 89 d8 48 89 da 48 c1 e8 03 83 e2 07 <42> 0f b6 04 20 38 d0 7f 08 84 c0 0f 85 f4 05 00 00 48 8b 44 24 10
RSP: 0000:ffffc9000373fc10 EFLAGS: 00010246
RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffffc90005451000
RDX: 0000000000000000 RSI: ffffffff87ffe670 RDI: ffff88807a60c5a8
RBP: 0000000000001900 R08: 0000000000000003 R09: 0000000000001a00
R10: 0000000000001900 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff8880380b5b02 R14: 0000000000000000 R15: ffff8880380b5b00
FS:  00007f80f6c696c0(0000) GS:ffff88812434a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2fa139 CR3: 0000000061f66000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	b3 08                	mov    $0x8,%bl
   2:	fa                   	cli
   3:	48 8d 7b 08          	lea    0x8(%rbx),%rdi
   7:	48 89 f8             	mov    %rdi,%rax
   a:	48 c1 e8 03          	shr    $0x3,%rax
   e:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
  13:	0f 85 23 06 00 00    	jne    0x63c
  19:	48 8b 5b 08          	mov    0x8(%rbx),%rbx
  1d:	48 89 d8             	mov    %rbx,%rax
  20:	48 89 da             	mov    %rbx,%rdx
  23:	48 c1 e8 03          	shr    $0x3,%rax
  27:	83 e2 07             	and    $0x7,%edx
* 2a:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax <-- trapping instruction
  2f:	38 d0                	cmp    %dl,%al
  31:	7f 08                	jg     0x3b
  33:	84 c0                	test   %al,%al
  35:	0f 85 f4 05 00 00    	jne    0x62f
  3b:	48 8b 44 24 10       	mov    0x10(%rsp),%rax