usb read operation failed. (-71)
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(__owner_task(owner) != get_current())
WARNING: CPU: 1 PID: 9443 at kernel/locking/mutex.c:933 __mutex_unlock_slowpath+0x1f8/0x740 kernel/locking/mutex.c:933
Modules linked in:
CPU: 1 UID: 0 PID: 9443 Comm: syz.0.763 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:__mutex_unlock_slowpath+0x1f8/0x740 kernel/locking/mutex.c:933
Code: 0f b6 04 2b 84 c0 0f 85 b3 00 00 00 83 3d f3 2a 28 04 00 75 19 90 48 c7 c7 00 e6 8a 8b 48 c7 c6 80 ed 8a 8b e8 d9 af 07 f6 90 <0f> 0b 90 90 90 e9 4b ff ff ff 90 e8 78 5d 49 f9 85 c0 74 2f 42 0f
RSP: 0018:ffffc900030a7700 EFLAGS: 00010246
RAX: adbc94d5af65d800 RBX: 1ffffffff1f47aac RCX: 0000000000080000
RDX: ffffc9000ce2f000 RSI: 00000000000031ac RDI: 00000000000031ad
RBP: ffffc900030a7810 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa22c R12: ffffc900030a77a0
R13: dffffc0000000000 R14: 1ffffffff3358064 R15: ffff888076070000
FS: 00007fc5bdf556c0(0000) GS:ffff888125d15000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000018030 CR3: 000000005333c000 CR4: 00000000003526f0
Call Trace:
<TASK>
az6007_i2c_xfer+0xb65/0xb90 drivers/media/usb/dvb-usb-v2/az6007.c:827
__i2c_transfer+0x871/0x2170 drivers/i2c/i2c-core-base.c:-1
i2c_smbus_xfer_emulated drivers/i2c/i2c-core-smbus.c:470 [inline]
__i2c_smbus_xfer+0xfb0/0x1e50 drivers/i2c/i2c-core-smbus.c:608
i2c_smbus_xfer+0x275/0x3c0 drivers/i2c/i2c-core-smbus.c:546
i2cdev_ioctl_smbus+0x43d/0x6d0 drivers/i2c/i2c-dev.c:389
i2cdev_ioctl+0x5d3/0x7f0 drivers/i2c/i2c-dev.c:478
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:598 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:584
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc5bd18eba9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc5bdf55038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc5bd3d6090 RCX: 00007fc5bd18eba9
RDX: 00002000000001c0 RSI: 0000000000000720 RDI: 0000000000000007
RBP: 00007fc5bd211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc5bd3d6128 R14: 00007fc5bd3d6090 R15: 00007fc5bd4ffa28
</TASK>