------------[ cut here ]------------
origin->pipe && origin->pipe != pipe
WARNING: drivers/media/mc/mc-entity.c:785 at __media_pipeline_start+0x1eac/0x2440, CPU#1: syz.4.108/6538
Modules linked in:
CPU: 1 UID: 0 PID: 6538 Comm: syz.4.108 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__media_pipeline_start+0x1eac/0x2440
Code: e3 e9 90 e3 ff ff e9 68 03 00 00 e8 de 6b bb f9 49 bf 00 00 00 00 00 fc ff df 4c 8b 6c 24 28 e9 93 fd ff ff e8 c5 6b bb f9 90 <0f> 0b 90 b8 ea ff ff ff e9 72 f4 ff ff e8 b2 6b bb f9 90 0f 0b 90
RSP: 0018:ffffc90005b779c8 EFLAGS: 00010293
RAX: ffffffff880c428b RBX: ffff88816e15eb00 RCX: ffff888177b31e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff88816e15e000 R08: ffffffff907a0c7f R09: 1ffffffff20f418f
R10: dffffc0000000000 R11: fffffbfff20f4190 R12: ffff88816e15ea10
R13: ffff88816e15eac8 R14: ffff88816df2f010 R15: dffffc0000000000
FS:  00007fc5eab9b6c0(0000) GS:ffff8882a8ce6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f96438fe908 CR3: 0000000113712000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 media_pipeline_start+0x51/0x70
 vimc_capture_start_streaming+0x7c/0x410
 vb2_start_streaming+0x11e/0x450
 vb2_core_streamon+0x2c0/0x4d0
 __video_do_ioctl+0x8af/0xc70
 video_usercopy+0x860/0x1430
 v4l2_ioctl+0x18d/0x1e0
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0x166/0x520
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc5e9d9e159
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:00007fc5eab9b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc5ea026090 RCX: 00007fc5e9d9e159
RDX: 0000200000000600 RSI: 0000000040045612 RDI: 000000000000000c
RBP: 00007fc5e9e3506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc5ea026128 R14: 00007fc5ea026090 R15: 00007ffeb30a6048
 </TASK>
