------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 1 PID: 6733 at kernel/locking/mutex.c:582 __mutex_lock_common kernel/locking/mutex.c:582 [inline]
WARNING: CPU: 1 PID: 6733 at kernel/locking/mutex.c:582 __mutex_lock+0xa7e/0xb40 kernel/locking/mutex.c:747
Modules linked in:
CPU: 1 PID: 6733 Comm: syz.5.579 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:582 [inline]
RIP: 0010:__mutex_lock+0xa7e/0xb40 kernel/locking/mutex.c:747
Code: 04 20 84 c0 0f 85 b3 00 00 00 83 3d d3 21 e2 04 00 0f 85 93 f6 ff ff 48 c7 c7 40 07 ac 8a 48 c7 c6 e0 07 ac 8a e8 e2 75 0d f7 <0f> 0b e9 79 f6 ff ff 0f 0b e9 27 f9 ff ff 48 c7 c1 40 91 c6 97 80
RSP: 0018:ffffc90005417680 EFLAGS: 00010246
RAX: 995fa4ecde54eb00 RBX: ffff888056cbb880 RCX: 0000000000080000
RDX: ffffc900059c1000 RSI: 0000000000003499 RDI: 000000000000349a
RBP: ffffc900054177e0 R08: ffff8880b8d279db R09: 1ffff110171a4f3b
R10: dffffc0000000000 R11: ffffed10171a4f3c R12: dffffc0000000000
R13: 0000000000000000 R14: ffffffff9806db80 R15: 0000000000000000
FS:  00007f878569b6c0(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb12bc27dac CR3: 0000000078a12000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 roccat_open+0xf2/0x5a0 drivers/hid/hid-roccat.c:178
 chrdev_open+0x585/0x5f0 fs/char_dev.c:414
 do_dentry_open+0x7dd/0x10b0 fs/open.c:882
 do_open fs/namei.c:3677 [inline]
 path_openat+0x2674/0x2f10 fs/namei.c:3838
 do_filp_open+0x1ee/0x420 fs/namei.c:3865
 do_sys_openat2+0x14b/0x4f0 fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1347
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f878479fb19
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:00007f878569b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f8784a25fa0 RCX: 00007f878479fb19
RDX: 0000000000000002 RSI: 0000200000000380 RDI: ffffffffffffff9c
RBP: 00007f8784837b70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8784a26038 R14: 00007f8784a25fa0 R15: 00007ffe66716ae8
 </TASK>