======================================
| [   11.488005][  T202] softirqs last disabled at (379282): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.488007][  T202] Preemption disabled at:
| [   11.488008][  T202] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.488017][  T202] Tainted: [W]=WARN
[   11.488018][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.488019][  T202] Call Trace:
[   11.488021][  T202]  <TASK>
[   11.488022][  T202]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.488028][  T202]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.488031][  T202]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.488035][  T202]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.488039][  T202]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.488044][  T202]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.488047][  T202]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.488053][  T202]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.488055][  T202]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.488059][  T202]  put_chars (drivers/char/virtio_console.c:1176)
[   11.488063][  T202]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.488067][  T202]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.488071][  T202]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.488075][  T202]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.488077][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.488078][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.488082][  T202]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.488085][  T202]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.488088][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.488092][  T202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.488096][  T202]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.488099][  T202]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.488104][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.488106][  T202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.488110][  T202]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.488114][  T202]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.488116][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.488121][  T202]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.488124][  T202]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.488125][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.488128][  T202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   11.488131][  T202]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.488133][  T202]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.488136][  T202]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.488140][  T202]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.488143][  T202]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.488145][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.488148][  T202]  dev_vprintk_emit (drivers/base/core.c:5000)
[   11.488153][  T202]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   11.488158][  T202]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   11.488164][  T202]  dev_printk_emit (drivers/base/core.c:5011)
[   11.488166][  T202]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   11.488174][  T202]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   11.488180][  T202]  netdev_err (net/core/dev.c:13192 (discriminator 3))
[   11.488182][  T202]  ? netdev_crit (net/core/dev.c:13191)
[   11.488185][  T202]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.488187][  T202]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.488190][  T202]  ? kmemdup_noprof (mm/util.c:138 (discriminator 1))
[   11.488193][  T202]  ? ethnl_default_set_doit (net/ethtool/netlink.c:937 (discriminator 7))
[   11.488195][  T202]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   11.488196][  T202]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   11.488199][  T202]  ? genl_rcv_msg (net/netlink/genetlink.c:1209)
[   11.488200][  T202]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.488202][  T202]  ? genl_rcv (net/netlink/genetlink.c:1218)
[   11.488204][  T202]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.488206][  T202]  ? __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   11.488208][  T202]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   11.488211][  T202]  virtnet_set_ringparam.cold (drivers/net/virtio_net.c:3530 drivers/net/virtio_net.c:4173)
[   11.488218][  T202]  ? virtnet_get_ringparam (drivers/net/virtio_net.c:4138)
[   11.488222][  T202]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.488225][  T202]  ? virtnet_xdp (drivers/net/virtio_net.c:6004)
[   11.488228][  T202]  ethnl_set_rings (net/ethtool/rings.c:303)
[   11.488233][  T202]  ? ethnl_set_rings_validate (net/ethtool/rings.c:158)
[   11.488234][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.488240][  T202]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   11.488241][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.488245][  T202]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   11.488247][  T202]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.488251][  T202]  ethnl_default_set_doit (net/ethtool/netlink.c:948)
[   11.488256][  T202]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   11.488260][  T202]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   11.488262][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.488267][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.488270][  T202]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.488276][  T202]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   11.488279][  T202]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   11.488282][  T202]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.488284][  T202]  ? ethnl_notify (./include/net/netdev_lock.h:33)
[   11.488287][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.488292][  T202]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   11.488295][  T202]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.488297][  T202]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   11.488301][  T202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.488308][  T202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.488309][  T202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.488313][  T202]  genl_rcv (net/netlink/genetlink.c:1218)
[   11.488316][  T202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.488320][  T202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.488325][  T202]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.488329][  T202]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.488333][  T202]  ? ___sys_sendmsg (net/socket.c:2771)
[   11.488336][  T202]  ? mksaveddirty_shift (./arch/x86/include/asm/pgtable.h:373)
[   11.488341][  T202]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   11.488343][  T202]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   11.488357][  T202]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   11.488367][  T202]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.488370][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.488372][  T202]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   11.488374][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.488375][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.488378][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.488380][  T202] RIP: 0033:0x7ff164b8254e
[   11.488384][  T202] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.488386][  T202] RSP: 002b:00007ffc9fa21ec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   11.488389][  T202] RAX: ffffffffffffffda RBX: 00007ffc9fa21fd0 RCX: 00007ff164b8254e
[   11.488390][  T202] RDX: 0000000000000028 RSI: 00007ff163fc1e50 RDI: 0000000000000006
[   11.488391][  T202] RBP: 00007ffc9fa21ed0 R08: 0000000000000000 R09: 0000000000000000
[   11.488392][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff16412bcb0


Finger prints:
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars