usb read operation failed. (-71)
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(__owner_task(owner) != get_current())
WARNING: CPU: 1 PID: 11936 at kernel/locking/mutex.c:920 __mutex_unlock_slowpath+0x3f9/0x6a0 kernel/locking/mutex.c:920
Modules linked in:
CPU: 1 UID: 0 PID: 11936 Comm: syz.0.1680 Not tainted 6.16.0-rc7-syzkaller-00140-gec2df4364666 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__mutex_unlock_slowpath+0x3f9/0x6a0 kernel/locking/mutex.c:920
Code: 08 84 c9 0f 85 73 02 00 00 44 8b 0d 11 8d 21 05 45 85 c9 75 19 90 48 c7 c6 c0 63 ad 8b 48 c7 c7 c0 5f ad 8b e8 c8 08 f3 f5 90 <0f> 0b 90 90 90 48 c7 c1 00 70 df 9a 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90003eef928 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff888028a98000 RCX: ffffc90004de3000
RDX: 0000000000080000 RSI: ffffffff817af1b5 RDI: 0000000000000001
RBP: 1ffff920007ddf2a R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000003
R13: fffffbfff35bee00 R14: ffffc90003eef9b0 R15: ffff8880743f8000
FS: 00007f8ed3c846c0(0000) GS:ffff888124820000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 000000002d551000 CR4: 00000000003526f0
Call Trace:
<TASK>
az6007_i2c_xfer+0x9db/0xc30 drivers/media/usb/dvb-usb-v2/az6007.c:827
__i2c_transfer+0x6b6/0x2190 drivers/i2c/i2c-core-base.c:2258
i2c_transfer drivers/i2c/i2c-core-base.c:2314 [inline]
i2c_transfer+0x1da/0x380 drivers/i2c/i2c-core-base.c:2290
i2c_transfer_buffer_flags+0x10c/0x190 drivers/i2c/i2c-core-base.c:2342
i2c_master_recv include/linux/i2c.h:79 [inline]
i2cdev_read+0x111/0x280 drivers/i2c/i2c-dev.c:155
do_loop_readv_writev fs/read_write.c:847 [inline]
do_loop_readv_writev fs/read_write.c:835 [inline]
vfs_readv+0x5be/0x8b0 fs/read_write.c:1020
do_preadv+0x1a6/0x270 fs/read_write.c:1132
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8ed2d8e9a9
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:00007f8ed3c84038 EFLAGS: 00000246 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00007f8ed2fb5fa0 RCX: 00007f8ed2d8e9a9
RDX: 0000000000000002 RSI: 0000200000000580 RDI: 0000000000000004
RBP: 00007f8ed2e10d69 R08: 0000000080000001 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8ed2fb5fa0 R15: 00007fff21949358
</TASK>