======================================
| [   40.332448][  T292] other info that might help us debug this:
| [   40.332730][  T292] no locks held by ip/292.
| [   40.332934][  T292]
| [   40.332934][  T292] stack backtrace:
[   40.333480][  T292] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   40.333944][  T292] Call Trace:
[   40.334106][  T292]  <TASK>
[ 40.334217][ T292] dump_stack_lvl (lib/dump_stack.c:123) 
[ 40.334428][ T292] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) 
[ 40.334637][ T292] print_unlock_imbalance_bug (kernel/locking/lockdep.c:5266) 
[ 40.334838][ T292] __lock_release (kernel/locking/lockdep.c:5502) 
[ 40.335045][ T292] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 40.335258][ T292] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) 
[ 40.335457][ T292] lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5848) 
[ 40.335670][ T292] __mutex_unlock_slowpath (./include/linux/instrumented.h:68 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:921) 
[ 40.335876][ T292] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) 
[ 40.336081][ T292] ? __pfx___mutex_unlock_slowpath (kernel/locking/mutex.c:907) 
[ 40.336326][ T292] ? rtnl_link_ops_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:558) 
[ 40.336530][ T292] __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) 
[ 40.336734][ T292] rtnl_newlink (net/core/rtnetlink.c:3961) 
[ 40.336930][ T292] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) 
[ 40.337137][ T292] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 40.337350][ T292] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 40.337544][ T292] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) 
[ 40.337764][ T292] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 40.337972][ T292] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) 
[ 40.338178][ T292] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) 
[ 40.338419][ T292] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) 
[ 40.338628][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) 
[ 40.338836][ T292] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 40.339043][ T292] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 40.339219][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 40.339423][ T292] netlink_rcv_skb (net/netlink/af_netlink.c:2536) 
[ 40.339625][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) 
[ 40.339830][ T292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) 
[ 40.340041][ T292] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 40.340244][ T292] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.340450][ T292] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) 
[ 40.340667][ T292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) 
[ 40.340866][ T292] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 40.341077][ T292] netlink_sendmsg (net/netlink/af_netlink.c:1886) 
[ 40.341285][ T292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) 
[ 40.341486][ T292] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) 
[ 40.341690][ T292] ? __pfx_____sys_sendmsg (net/socket.c:2555) 
[ 40.341897][ T292] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) 
[ 40.342139][ T292] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 40.342351][ T292] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) 
[ 40.342557][ T292] ___sys_sendmsg (net/socket.c:2665) 
[ 40.342768][ T292] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[ 40.342967][ T292] ? __pfx____sys_sendmsg (net/socket.c:2652) 
[ 40.343165][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 40.343373][ T292] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 40.343579][ T292] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 40.343778][ T292] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) 
[ 40.343997][ T292] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[ 40.344151][ T292] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 40.344355][ T292] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) 
[ 40.344556][ T292] ? __pfx___sys_sendmsg (net/socket.c:2680) 
[ 40.344792][ T292] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) 
[ 40.345012][ T292] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 40.345225][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.345487][  T292] RIP: 0033:0x7faff40007b7
[ 40.345697][ T292] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.346424][  T292] RSP: 002b:00007ffe305b7e78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.346747][  T292] RAX: ffffffffffffffda RBX: 00007ffe305b85b0 RCX: 00007faff40007b7
[   40.347058][  T292] RDX: 0000000000000000 RSI: 00007ffe305b7ee0 RDI: 0000000000000005
[   40.347374][  T292] RBP: 0000000000000002 R08: 0000000000000040 R09: 0000000000000000
[   40.347695][  T292] R10: 00007faff404fac0 R11: 0000000000000246 R12: 00007ffe305b85c8
[   40.347894][  T292] R13: 00000000672a0b9b R14: 0000000000496600 R15: 00007ffe305b7fc4
| WAIT TIMEOUT stderr
|
| Ctrl-C stderr
|
| Ctrl-C stderr
[  247.118252][   T43] INFO: task ip:292 blocked for more than 122 seconds.
[  247.118579][   T43]       Not tainted 6.12.0-rc5-virtme #1
[  247.118706][   T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  247.118918][   T43] task:ip              state:D stack:26008 pid:292   tgid:292   ppid:238    flags:0x00004006
[  247.119195][   T43] Call Trace:
[  247.119294][   T43]  <TASK>
[ 247.119374][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) 
[ 247.119512][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) 
[ 247.119645][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 247.119780][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) 
[ 247.119906][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) 
[ 247.120007][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) 
[ 247.120136][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) 
[ 247.120275][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) 
[ 247.120417][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) 
[ 247.120542][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 247.120671][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) 
[ 247.120795][ T43] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) 
[ 247.120923][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) 
[ 247.121047][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 247.121180][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 247.121310][ T43] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) 
[ 247.121438][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) 
[ 247.121567][ T43] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) 
[ 247.121694][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) 
[ 247.121824][ T43] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 247.121950][ T43] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 247.122048][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 247.122182][ T43] netlink_rcv_skb (net/netlink/af_netlink.c:2536) 
[ 247.122310][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) 
[ 247.122435][ T43] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) 
[ 247.122569][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 247.122696][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 247.122819][ T43] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) 
[ 247.122944][ T43] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) 
[ 247.123067][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 247.123201][ T43] netlink_sendmsg (net/netlink/af_netlink.c:1886) 
[ 247.123323][ T43] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) 
[ 247.123448][ T43] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) 
[ 247.123579][ T43] ? __pfx_____sys_sendmsg (net/socket.c:2555) 
[ 247.123703][ T43] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) 
[ 247.123854][ T43] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 247.123980][ T43] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) 
[ 247.124105][ T43] ___sys_sendmsg (net/socket.c:2665) 
[ 247.124237][ T43] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[ 247.124361][ T43] ? __pfx____sys_sendmsg (net/socket.c:2652) 
[ 247.124487][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 247.124622][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 247.124752][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 247.124877][ T43] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) 
[ 247.125003][ T43] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[ 247.125101][ T43] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 247.125234][ T43] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) 
[ 247.125357][ T43] ? __pfx___sys_sendmsg (net/socket.c:2680) 
[ 247.125482][ T43] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) 
[ 247.125615][ T43] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 247.125744][ T43] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  247.125904][   T43] RIP: 0033:0x7faff40007b7
[  247.126041][   T43] RSP: 002b:00007ffe305b7e78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  247.126250][   T43] RAX: ffffffffffffffda RBX: 00007ffe305b85b0 RCX: 00007faff40007b7
[  247.126442][   T43] RDX: 0000000000000000 RSI: 00007ffe305b7ee0 RDI: 0000000000000005
[  247.126624][   T43] RBP: 0000000000000002 R08: 0000000000000040 R09: 0000000000000000
[  247.126813][   T43] R10: 00007faff404fac0 R11: 0000000000000246 R12: 00007ffe305b85c8


Finger prints:
__schedule:schedule:schedule_preempt_disabled:__mutex_lock:rtnl_newlink
print_unlock_imbalance_bug:__lock_release:lock_release:__mutex_unlock_slowpath:__rtnl_unlock