------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 1 PID: 5940 at kernel/locking/mutex.c:582 __mutex_lock_common kernel/locking/mutex.c:582 [inline]
WARNING: CPU: 1 PID: 5940 at kernel/locking/mutex.c:582 __mutex_lock+0xb48/0xc80 kernel/locking/mutex.c:747
Modules linked in:
CPU: 1 PID: 5940 Comm: syz.3.20 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:582 [inline]
RIP: 0010:__mutex_lock+0xb48/0xc80 kernel/locking/mutex.c:747
Code: 04 08 84 c0 0f 85 2f 01 00 00 83 3d b1 a1 f4 03 00 0f 85 d1 f5 ff ff 48 c7 c7 80 b6 ca 8a 48 c7 c6 20 b7 ca 8a e8 d8 2d b9 f6 <0f> 0b e9 b7 f5 ff ff 0f 0b e9 75 f9 ff ff 0f 0b e9 4f f6 ff ff 48
RSP: 0018:ffffc90003497580 EFLAGS: 00010246
RAX: 2e7e5e7174fd4d00 RBX: ffff88802fe68010 RCX: ffff88807871bc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc900034976d8 R08: ffff8880b8f28c53 R09: 1ffff110171e518a
R10: dffffc0000000000 R11: ffffed10171e518b R12: 1ffff92000692ec0
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS:  00005555581bd500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d11a764038 CR3: 000000001bab3000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 as102_stream_ctrl+0x27/0xb0 drivers/media/usb/as102/as102_drv.c:259
 dvb_frontend_open+0x7f5/0x13a0 drivers/media/dvb-core/dvb_frontend.c:2830
 dvb_device_open+0x270/0x360 drivers/media/dvb-core/dvbdev.c:109
 chrdev_open+0x58c/0x600 fs/char_dev.c:414
 do_dentry_open+0x880/0x14b0 fs/open.c:929
 do_open fs/namei.c:3683 [inline]
 path_openat+0x284f/0x3270 fs/namei.c:3844
 do_filp_open+0x1f2/0x430 fs/namei.c:3871
 do_sys_openat2+0x134/0x1d0 fs/open.c:1422
 do_sys_open fs/open.c:1437 [inline]
 __do_sys_openat fs/open.c:1453 [inline]
 __se_sys_openat fs/open.c:1448 [inline]
 __x64_sys_openat+0x139/0x160 fs/open.c:1448
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f36a815e90e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007ffd239b11a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00005555581bd500 RCX: 00007f36a815e90e
RDX: 0000000000000802 RSI: 00007ffd239b1280 RDI: ffffffffffffff9c
RBP: 00007ffd239b1280 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: cccccccccccccccd
R13: 00007f36a8425fac R14: 00007f36a8425fa0 R15: 00007f36a8425fa0
 </TASK>