block nbd1819: Receive control failed (result -32)
block nbd1820: Receive control failed (result -32)
block nbd1821: Receive control failed (result -32)
block nbd1822: Receive control failed (result -32)
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 47 Comm: kworker/u5:0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026
Workqueue: nbd1822-recv recv_work
Call trace:
 dump_backtrace+0x1c0/0x1ec arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf4/0x15c lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1864/0x6800 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x63c kernel/locking/lockdep.c:5662
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x54/0x6c kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 uart_port_lock include/linux/serial_core.h:593 [inline]
 pl011_console_write+0x1b8/0x750 drivers/tty/serial/amba-pl011.c:2337
 call_console_driver kernel/printk/printk.c:1977 [inline]
 console_emit_next_record+0x5d4/0x808 kernel/printk/printk.c:2777
 console_flush_all kernel/printk/printk.c:-1 [inline]
 console_unlock+0x240/0x57c kernel/printk/printk.c:2906
 vprintk_emit+0x160/0x2f0 kernel/printk/printk.c:2303
 dev_vprintk_emit+0x2dc/0x39c drivers/base/core.c:4933
 dev_printk_emit+0xe0/0x130 drivers/base/core.c:4944
 __dev_printk+0x16c/0x1a0 drivers/base/core.c:4956
 _dev_err+0xf8/0x154 drivers/base/core.c:4999
 nbd_read_reply drivers/block/nbd.c:725 [inline]
 recv_work+0x1f9c/0x21e4 drivers/block/nbd.c:853
 process_one_work+0x7f8/0x13a4 kernel/workqueue.c:2292
 worker_thread+0x8c4/0xfec kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850
block nbd1823: Receive control failed (result -32)
block nbd1824: Receive control failed (result -32)
block nbd1825: Receive control failed (result -32)
block nbd1826: Receive control failed (result -32)
block nbd1827: Receive control failed (result -32)
block nbd1828: Receive control failed (result -32)
block nbd1829: Receive control failed (result -32)
block nbd1830: Receive control failed (result -32)
block nbd1831: Receive control failed (result -32)
block nbd1832: Receive control failed (result -32)
block nbd1833: Receive control failed (result -32)
block nbd1834: Receive control failed (result -32)
block nbd1835: Receive control failed (result -32)
block nbd1836: Receive control failed (result -32)
block nbd1837: Receive control failed (result -32)
block nbd1838: Receive control failed (result -32)
block nbd1839: Receive control failed (result -32)
block nbd1840: Receive control failed (result -32)
block nbd1841: Receive control failed (result -32)
block nbd1842: Receive control failed (result -32)
block nbd1843: Receive control failed (result -32)
block nbd1844: Receive control failed (result -32)
Bluetooth: hci1: command 0x041b tx timeout
block nbd1887: Receive control failed (result -32)
block nbd1888: Receive control failed (result -32)
block nbd1889: Receive control failed (result -32)
block nbd1890: Receive control failed (result -32)
block nbd1891: Receive control failed (result -32)
block nbd1892: Receive control failed (result -32)
block nbd1893: Receive control failed (result -32)
block nbd1894: Receive control failed (result -32)
block nbd1895: Receive control failed (result -32)
block nbd1896: Receive control failed (result -32)
block nbd1897: Receive control failed (result -32)
block nbd1898: Receive control failed (result -32)
block nbd1899: Receive control failed (result -32)
block nbd1900: Receive control failed (result -32)
block nbd1901: Receive control failed (result -32)
block nbd1902: Receive control failed (result -32)
block nbd1903: Receive control failed (result -32)
block nbd1904: Receive control failed (result -32)
block nbd1905: Receive control failed (result -32)
block nbd1906: Receive control failed (result -32)
block nbd1907: Receive control failed (result -32)
block nbd1908: Receive control failed (result -32)
block nbd1909: Receive control failed (result -32)
block nbd1910: Receive control failed (result -32)
block nbd1911: Receive control failed (result -32)
block nbd1912: Receive control failed (result -32)
block nbd1913: Receive control failed (result -32)
block nbd1914: Receive control failed (result -32)
block nbd1915: Receive control failed (result -32)
block nbd1916: Receive control failed (result -32)
block nbd1917: Receive control failed (result -32)
block nbd1918: Receive control failed (result -32)
block nbd1919: Receive control failed (result -32)
block nbd1920: Receive control failed (result -32)
block nbd1921: Receive control failed (result -32)
block nbd1922: Receive control failed (result -32)
block nbd1923: Receive control failed (result -32)
block nbd1924: Receive control failed (result -32)
block nbd1925: Receive control failed (result -32)
block nbd1926: Receive control failed (result -32)
block nbd1927: Receive control failed (result -32)
block nbd1928: Receive control failed (result -32)
block nbd1929: Receive control failed (result -32)
Bluetooth: hci1: command 0x0419 tx timeout