origin->pipe && origin->pipe != pipe
WARNING: drivers/media/mc/mc-entity.c:785 at __media_pipeline_start+0x1add/0x22b0 drivers/media/mc/mc-entity.c:785, CPU#1: syz.0.17/5912
Modules linked in:
CPU: 1 UID: 0 PID: 5912 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__media_pipeline_start+0x1add/0x22b0 drivers/media/mc/mc-entity.c:785
Code: 93 f7 f9 66 90 41 bc f0 ff ff ff e9 5d f9 ff ff e8 68 93 f7 f9 48 8b 7c 24 10 e8 3e 06 5c fa e9 75 f2 ff ff e8 54 93 f7 f9 90 <0f> 0b 90 41 bc ea ff ff ff e9 a7 e6 ff ff e8 40 22 68 fa e9 a5 f4
RSP: 0018:ffffc90003af79b0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88802efeca10 RCX: ffffffff8812d136
RDX: ffff888029c12540 RSI: ffffffff8812e02c RDI: ffff88802f04ab00
RBP: ffff88802e814168 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88802f04aa10
R13: ffff88802f04a020 R14: ffff88802f04a750 R15: ffff88802f04aac8
FS:  000055556cdf4500(0000) GS:ffff8880d5cde000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000007100 CR3: 000000002b8a9000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 media_pipeline_start+0x49/0x70 drivers/media/mc/mc-entity.c:924
 video_device_pipeline_start+0x79/0xa0 drivers/media/v4l2-core/v4l2-dev.c:1159
 vimc_capture_start_streaming+0x7d/0x130 drivers/media/test-drivers/vimc/vimc-capture.c:248
 vb2_start_streaming+0x162/0x570 drivers/media/common/videobuf2/videobuf2-core.c:1783
 vb2_core_streamon+0x26a/0x3c0 drivers/media/common/videobuf2/videobuf2-core.c:2336
 vb2_streamon drivers/media/common/videobuf2/videobuf2-v4l2.c:875 [inline]
 vb2_ioctl_streamon+0xd9/0x150 drivers/media/common/videobuf2/videobuf2-v4l2.c:1118
 __video_do_ioctl+0xb2a/0xdf0 drivers/media/v4l2-core/v4l2-ioctl.c:3133
 video_usercopy+0x47a/0x1730 drivers/media/v4l2-core/v4l2-ioctl.c:3475
 v4l2_ioctl+0x1bd/0x250 drivers/media/v4l2-core/v4l2-dev.c:366
 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+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc3ad39e0d9
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:00007ffe3e9af7a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc3ad625fa0 RCX: 00007fc3ad39e0d9
RDX: 0000200000007200 RSI: 0000000040045612 RDI: 0000000000000005
RBP: 00007fc3ad435024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc3ad625fac R14: 00007fc3ad625fa0 R15: 00007fc3ad625fa0
 </TASK>