libceph: connect (1)[c::]:6789 error -101
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 6.1.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Workqueue: ceph-msgr ceph_con_workfn
Call trace:
 dump_backtrace+0x1c8/0x1f4 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+0xf8/0x160 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+0x1b40/0x6544 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x644 kernel/locking/lockdep.c:5662
 timer_delete_sync+0x98/0x20c kernel/time/timer.c:1448
 del_timer_sync include/linux/timer.h:198 [inline]
 sk_stop_timer_sync+0x24/0xc0 net/core/sock.c:3388
 inet_csk_clear_xmit_timers_sync+0xec/0x164 net/ipv4/inet_connection_sock.c:788
 tcp_close+0x78/0x144 net/ipv4/tcp.c:3080
 inet_release+0x154/0x1d0 net/ipv4/af_inet.c:430
 inet6_release+0x5c/0x78 net/ipv6/af_inet6.c:491
 __sock_release net/socket.c:654 [inline]
 sock_release+0x84/0x140 net/socket.c:682
 ceph_tcp_connect+0x45c/0x648 net/ceph/messenger.c:466
 ceph_con_v1_try_write+0x2e0/0x390c net/ceph/messenger_v1.c:1421
 ceph_con_workfn+0x250/0xdc8 net/ceph/messenger.c:1518
 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292
 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:849
libceph: mon0 (1)[c::]:6789 connect error
libceph: connect (1)[c::]:6789 error -101
libceph: mon0 (1)[c::]:6789 connect error