------------[ cut here ]------------ origin->pipe && origin->pipe != pipe WARNING: drivers/media/mc/mc-entity.c:790 at __media_pipeline_start+0x1eac/0x2440 drivers/media/mc/mc-entity.c:790, CPU#1: syz.3.518/8242 Modules linked in: CPU: 1 UID: 0 PID: 8242 Comm: syz.3.518 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 RIP: 0010:__media_pipeline_start+0x1eac/0x2440 drivers/media/mc/mc-entity.c:790 Code: e3 e9 90 e3 ff ff 0f 1f 44 00 00 e8 1e 3c 2e fa 49 bf 00 00 00 00 00 fc ff df 4c 8b 6c 24 28 e9 93 fd ff ff e8 05 3c 2e fa 90 <0f> 0b 90 b8 ea ff ff ff e9 72 f4 ff ff e8 f2 3b 2e fa 90 0f 0b 90 RSP: 0018:ffffc90004bdf9c8 EFLAGS: 00010287 RAX: ffffffff8799b00b RBX: ffff88802d8aece8 RCX: 0000000000080000 RDX: ffffc9001119b000 RSI: 0000000000000ba5 RDI: 0000000000000ba6 RBP: ffff88802d8ae000 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff21ab3f8 R12: ffff88802d8aebf8 R13: ffff88802d8aecb0 R14: ffff88802d604010 R15: dffffc0000000000 FS: 00007efd40ea46c0(0000) GS:ffff88812480e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ef0bff8 CR3: 0000000060ecc000 CR4: 00000000003526f0 Call Trace: media_pipeline_start+0x51/0x70 drivers/media/mc/mc-entity.c:929 vimc_capture_start_streaming+0x7c/0x410 drivers/media/test-drivers/vimc/vimc-capture.c:248 vb2_start_streaming+0x11e/0x450 drivers/media/common/videobuf2/videobuf2-core.c:1783 vb2_core_streamon+0x2c0/0x4d0 drivers/media/common/videobuf2/videobuf2-core.c:2336 __video_do_ioctl+0x8b2/0xc70 drivers/media/v4l2-core/v4l2-ioctl.c:3135 video_usercopy+0x860/0x1430 drivers/media/v4l2-core/v4l2-ioctl.c:3477 v4l2_ioctl+0x190/0x1e0 drivers/media/v4l2-core/v4l2-dev.c:366 vfs_ioctl fs/ioctl.c:52 [inline] __do_sys_ioctl fs/ioctl.c:598 [inline] __se_sys_ioctl+0xff/0x170 fs/ioctl.c:584 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x16a/0x530 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7efd42c98f19 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:00007efd40ea4028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007efd42f16180 RCX: 00007efd42c98f19 RDX: 0000200000000840 RSI: 0000000040045612 RDI: 0000000000000007 RBP: 00007efd42d27f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007efd42f16218 R14: 00007efd42f16180 R15: 00007ffdf4fb9a68