usb read operation failed. (-71)
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(__owner_task(owner) != get_current())
WARNING: CPU: 0 PID: 8723 at kernel/locking/mutex.c:918 __mutex_unlock_slowpath+0x22e/0x700 kernel/locking/mutex.c:918
Modules linked in:
CPU: 0 UID: 0 PID: 8723 Comm: syz.3.840 Not tainted 6.15.0-rc7-syzkaller-00152-gd0c22de9995b #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__mutex_unlock_slowpath+0x22e/0x700 kernel/locking/mutex.c:918
Code: 0f b6 04 03 84 c0 0f 85 d1 00 00 00 83 3d 7d 74 27 04 00 75 19 90 48 c7 c7 e0 d1 6a 8b 48 c7 c6 60 d9 6a 8b e8 73 5e 2c f6 90 <0f> 0b 90 90 90 48 89 da e9 29 ff ff ff 48 89 d3 90 e8 ac b9 5d f9
RSP: 0018:ffffc90003a3f700 EFLAGS: 00010246
RAX: abeb948675ff2100 RBX: 1ffffffff1efec8a RCX: 0000000000080000
RDX: ffffc9000c84b000 RSI: 000000000000ac87 RDI: 000000000000ac88
RBP: ffffc90003a3f810 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bba984 R12: ffffc90003a3f7a0
R13: 1ffff92000747ee8 R14: 1ffffffff33020d4 R15: ffff88807c620000
FS: 00007f8f910ac6c0(0000) GS:ffff8881260c2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8f9108bd58 CR3: 0000000027662000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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:469 [inline]
__i2c_smbus_xfer+0xfb0/0x1e50 drivers/i2c/i2c-core-smbus.c:607
i2c_smbus_xfer+0x275/0x3c0 drivers/i2c/i2c-core-smbus.c:545
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:906 [inline]
__se_sys_ioctl+0xf9/0x170 fs/ioctl.c:892
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8f9018e969
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:00007f8f910ac038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f8f903b5fa0 RCX: 00007f8f9018e969
RDX: 00002000000000c0 RSI: 0000000000000720 RDI: 0000000000000006
RBP: 00007f8f90210ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8f903b5fa0 R15: 00007f8f904dfa28
</TASK>