unregister_netdevice: waiting for DEV to become free

unregister_netdevice: waiting for syz_tun to become free. Usage count = 2
ref_tracker: syz_tun@0000000019440ff3 has 1/1 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4341 [inline]
     netdev_hold include/linux/netdevice.h:4370 [inline]
     linkwatch_add_event net/core/link_watch.c:131 [inline]
     linkwatch_fire_event+0x124/0x170 net/core/link_watch.c:318
     netif_carrier_off+0x3c/0x94 net/sched/sch_generic.c:607
     __tun_detach+0x41c/0x45c drivers/net/tun.c:616
     tun_detach drivers/net/tun.c:636 [inline]
     tun_chr_close+0x30/0xe4 drivers/net/tun.c:3396
     __fput+0xcc/0x2dc fs/file_table.c:465
     ____fput+0x14/0x20 fs/file_table.c:493
     task_work_run+0x78/0xd4 kernel/task_work.c:227
     exit_task_work include/linux/task_work.h:40 [inline]
     do_exit+0x24c/0x930 kernel/exit.c:955
     do_group_exit+0x34/0x90 kernel/exit.c:1104
     copy_siginfo_to_user+0x0/0xec kernel/signal.c:3034
     do_signal+0xf0/0x3ec arch/arm64/kernel/signal.c:1615
     do_notify_resume+0xe0/0x16c arch/arm64/kernel/entry-common.c:148
     exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline]
     exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline]
     el0_svc+0xc4/0x124 arch/arm64/kernel/entry-common.c:768
     el0t_64_sync_handler+0x10c/0x138 arch/arm64/kernel/entry-common.c:786
     el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:600

unregister_netdevice: waiting for syz_tun to become free. Usage count = 2
ref_tracker: syz_tun@0000000019440ff3 has 1/1 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4341 [inline]
     netdev_hold include/linux/netdevice.h:4370 [inline]
     linkwatch_add_event net/core/link_watch.c:131 [inline]
     linkwatch_fire_event+0x124/0x170 net/core/link_watch.c:318
     netif_carrier_off+0x3c/0x94 net/sched/sch_generic.c:607
     __tun_detach+0x41c/0x45c drivers/net/tun.c:616
     tun_detach drivers/net/tun.c:636 [inline]
     tun_chr_close+0x30/0xe4 drivers/net/tun.c:3396
     __fput+0xcc/0x2dc fs/file_table.c:465
     ____fput+0x14/0x20 fs/file_table.c:493
     task_work_run+0x78/0xd4 kernel/task_work.c:227
     exit_task_work include/linux/task_work.h:40 [inline]
     do_exit+0x24c/0x930 kernel/exit.c:955
     do_group_exit+0x34/0x90 kernel/exit.c:1104
     copy_siginfo_to_user+0x0/0xec kernel/signal.c:3034
     do_signal+0xf0/0x3ec arch/arm64/kernel/signal.c:1615
     do_notify_resume+0xe0/0x16c arch/arm64/kernel/entry-common.c:148
     exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline]
     exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline]
     el0_svc+0xc4/0x124 arch/arm64/kernel/entry-common.c:768
     el0t_64_sync_handler+0x10c/0x138 arch/arm64/kernel/entry-common.c:786
     el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:600

unregister_netdevice: waiting for syz_tun to become free. Usage count = 2
ref_tracker: syz_tun@0000000019440ff3 has 1/1 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4341 [inline]
     netdev_hold include/linux/netdevice.h:4370 [inline]
     linkwatch_add_event net/core/link_watch.c:131 [inline]
     linkwatch_fire_event+0x124/0x170 net/core/link_watch.c:318
     netif_carrier_off+0x3c/0x94 net/sched/sch_generic.c:607
     __tun_detach+0x41c/0x45c drivers/net/tun.c:616
     tun_detach drivers/net/tun.c:636 [inline]
     tun_chr_close+0x30/0xe4 drivers/net/tun.c:3396
     __fput+0xcc/0x2dc fs/file_table.c:465
     ____fput+0x14/0x20 fs/file_table.c:493
     task_work_run+0x78/0xd4 kernel/task_work.c:227
     exit_task_work include/linux/task_work.h:40 [inline]
     do_exit+0x24c/0x930 kernel/exit.c:955
     do_group_exit+0x34/0x90 kernel/exit.c:1104
     copy_siginfo_to_user+0x0/0xec kernel/signal.c:3034
     do_signal+0xf0/0x3ec arch/arm64/kernel/signal.c:1615
     do_notify_resume+0xe0/0x16c arch/arm64/kernel/entry-common.c:148
     exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline]
     exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline]
     el0_svc+0xc4/0x124 arch/arm64/kernel/entry-common.c:768
     el0t_64_sync_handler+0x10c/0x138 arch/arm64/kernel/entry-common.c:786
     el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:600



Warning: Permanently added '[localhost]:47348' (ED25519) to the list of known hosts.
1970/01/01 00:02:00 ignoring optional flag "sandboxArg"="0"
1970/01/01 00:02:19 parsed 1 programs
syzkaller login: [  147.297965][ T3314] cgroup: Unknown subsys name 'net'
[  147.563521][ T3314] cgroup: Unknown subsys name 'cpuset'
[  147.603166][ T3314] cgroup: Unknown subsys name 'rlimit'
[  148.343644][ T3314] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
[  155.834748][ T3322] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[  161.522607][ T3331] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[  161.542726][ T3331] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[  163.377096][ T3331] hsr_slave_0: entered promiscuous mode
[  163.386875][ T3331] hsr_slave_1: entered promiscuous mode
[  164.664430][ T3331] netdevsim netdevsim1 netdevsim0: renamed from eth0
[  164.682506][ T3331] netdevsim netdevsim1 netdevsim1: renamed from eth1
[  164.698361][ T3331] netdevsim netdevsim1 netdevsim2: renamed from eth2
[  164.715544][ T3331] netdevsim netdevsim1 netdevsim3: renamed from eth3
[  165.632075][ T3331] 8021q: adding VLAN 0 to HW filter on device bond0
[  167.065578][ T3322] unregister_netdevice: waiting for syz_tun to become free. Usage count = 2
[  167.067560][ T3322] ref_tracker: syz_tun@0000000019440ff3 has 1/1 users at
[  167.067560][ T3322]      linkwatch_fire_event+0x124/0x170
[  167.067560][ T3322]      netif_carrier_off+0x3c/0x94
[  167.067560][ T3322]      __tun_detach+0x41c/0x45c
[  167.067560][ T3322]      tun_chr_close+0x30/0xe4
[  167.067560][ T3322]      __fput+0xcc/0x2dc
[  167.067560][ T3322]      ____fput+0x14/0x20
[  167.067560][ T3322]      task_work_run+0x78/0xd4
[  167.067560][ T3322]      do_exit+0x24c/0x930
[  167.067560][ T3322]      do_group_exit+0x34/0x90
[  167.067560][ T3322]      copy_siginfo_to_user+0x0/0xec
[  167.067560][ T3322]      do_signal+0xf0/0x3ec
[  167.067560][ T3322]      do_notify_resume+0xe0/0x16c
[  167.067560][ T3322]      el0_svc+0xc4/0x124
[  167.067560][ T3322]      el0t_64_sync_handler+0x10c/0x138
[  167.067560][ T3322]      el0t_64_sync+0x1a4/0x1a8
[  167.067560][ T3322] 
[  169.091283][ T3331] veth0_vlan: entered promiscuous mode
[  169.136788][ T3331] veth1_vlan: entered promiscuous mode
[  169.266895][ T3331] veth0_macvtap: entered promiscuous mode
[  169.289021][ T3331] veth1_macvtap: entered promiscuous mode
[  169.431283][ T3331] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[  169.435694][ T3331] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[  169.436480][ T3331] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[  169.436965][ T3331] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
1970/01/01 00:02:49 executed programs: 0
[  172.462752][ T3436] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[  172.479019][ T3436] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[  173.460805][ T3436] hsr_slave_0: entered promiscuous mode
[  173.467425][ T3436] hsr_slave_1: entered promiscuous mode
[  173.471683][ T3436] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[  173.472620][ T3436] Cannot create hsr debugfs directory
[  174.118463][ T3436] netdevsim netdevsim3 netdevsim0: renamed from eth0
[  174.138181][ T3436] netdevsim netdevsim3 netdevsim1: renamed from eth1
[  174.157427][ T3436] netdevsim netdevsim3 netdevsim2: renamed from eth2
[  174.174653][ T3436] netdevsim netdevsim3 netdevsim3: renamed from eth3
[  174.986779][ T3436] 8021q: adding VLAN 0 to HW filter on device bond0
[  177.356200][ T3322] unregister_netdevice: waiting for syz_tun to become free. Usage count = 2
[  177.357969][ T3322] ref_tracker: syz_tun@0000000019440ff3 has 1/1 users at
[  177.357969][ T3322]      linkwatch_fire_event+0x124/0x170
[  177.357969][ T3322]      netif_carrier_off+0x3c/0x94
[  177.357969][ T3322]      __tun_detach+0x41c/0x45c
[  177.357969][ T3322]      tun_chr_close+0x30/0xe4
[  177.357969][ T3322]      __fput+0xcc/0x2dc
[  177.357969][ T3322]      ____fput+0x14/0x20
[  177.357969][ T3322]      task_work_run+0x78/0xd4
[  177.357969][ T3322]      do_exit+0x24c/0x930
[  177.357969][ T3322]      do_group_exit+0x34/0x90
[  177.357969][ T3322]      copy_siginfo_to_user+0x0/0xec
[  177.357969][ T3322]      do_signal+0xf0/0x3ec
[  177.357969][ T3322]      do_notify_resume+0xe0/0x16c
[  177.357969][ T3322]      el0_svc+0xc4/0x124
[  177.357969][ T3322]      el0t_64_sync_handler+0x10c/0x138
[  177.357969][ T3322]      el0t_64_sync+0x1a4/0x1a8
[  177.357969][ T3322] 
[  178.302407][ T3436] veth0_vlan: entered promiscuous mode
[  178.354862][ T3436] veth1_vlan: entered promiscuous mode
[  178.468977][ T3436] veth0_macvtap: entered promiscuous mode
[  178.493731][ T3436] veth1_macvtap: entered promiscuous mode
[  178.611262][ T3436] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[  178.611730][ T3436] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[  178.617493][ T3436] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[  178.617778][ T3436] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[  179.961259][ T2102] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  187.582522][ T3322] unregister_netdevice: waiting for syz_tun to become free. Usage count = 2
[  187.584504][ T3322] ref_tracker: syz_tun@0000000019440ff3 has 1/1 users at
[  187.584504][ T3322]      linkwatch_fire_event+0x124/0x170
[  187.584504][ T3322]      netif_carrier_off+0x3c/0x94
[  187.584504][ T3322]      __tun_detach+0x41c/0x45c
[  187.584504][ T3322]      tun_chr_close+0x30/0xe4
[  187.584504][ T3322]      __fput+0xcc/0x2dc
[  187.584504][ T3322]      ____fput+0x14/0x20
[  187.584504][ T3322]      task_work_run+0x78/0xd4
[  187.584504][ T3322]      do_exit+0x24c/0x930
[  187.584504][ T3322]      do_group_exit+0x34/0x90
[  187.584504][ T3322]      copy_siginfo_to_user+0x0/0xec
[  187.584504][ T3322]      do_signal+0xf0/0x3ec
[  187.584504][ T3322]      do_notify_resume+0xe0/0x16c
[  187.584504][ T3322]      el0_svc+0xc4/0x124
[  187.584504][ T3322]      el0t_64_sync_handler+0x10c/0x138
[  187.584504][ T3322]      el0t_64_sync+0x1a4/0x1a8
[  187.584504][ T3322] 
[  190.176405][ T3436] unregister_netdevice: waiting for syz_tun to become free. Usage count = 2
[  190.178605][ T3436] ref_tracker: syz_tun@000000000f7e2094 has 1/1 users at
[  190.178605][ T3436]      linkwatch_fire_event+0x124/0x170
[  190.178605][ T3436]      netif_carrier_off+0x3c/0x94
[  190.178605][ T3436]      __tun_detach+0x41c/0x45c
[  190.178605][ T3436]      tun_chr_close+0x30/0xe4
[  190.178605][ T3436]      __fput+0xcc/0x2dc
[  190.178605][ T3436]      ____fput+0x14/0x20
[  190.178605][ T3436]      task_work_run+0x78/0xd4
[  190.178605][ T3436]      do_exit+0x24c/0x930
[  190.178605][ T3436]      do_group_exit+0x34/0x90
[  190.178605][ T3436]      pid_child_should_wake+0x0/0x5c
[  190.178605][ T3436]      invoke_syscall+0x48/0x110
[  190.178605][ T3436]      el0_svc_common.constprop.0+0x40/0xe0
[  190.178605][ T3436]      do_el0_svc+0x1c/0x28
[  190.178605][ T3436]      el0_svc+0xa8/0x124
[  190.178605][ T3436]      el0t_64_sync_handler+0x10c/0x138
[  190.178605][ T3436]      el0t_64_sync+0x1a4/0x1a8
[  190.178605][ T3436] 
[  190.228833][ T2102] unregister_netdevice: waiting for netdevsim3 to become free. Usage count = 2
[  190.230735][ T2102] ref_tracker: eth%d@00000000c82ae5fb has 1/1 users at
[  190.230735][ T2102]      linkwatch_fire_event+0x124/0x170
[  190.230735][ T2102]      netif_carrier_off+0x3c/0x94
[  190.230735][ T2102]      nsim_stop+0x20/0xd4
[  190.230735][ T2102]      __dev_close_many+0xbc/0x208
[  190.230735][ T2102]      dev_close_many+0xb0/0x184
[  190.230735][ T2102]      unregister_netdevice_many_notify+0x194/0xadc
[  190.230735][ T2102]      unregister_netdevice_queue+0xec/0x12c
[  190.230735][ T2102]      nsim_destroy+0x60/0x150
[  190.230735][ T2102]      __nsim_dev_port_del+0x58/0x8c
[  190.230735][ T2102]      nsim_dev_reload_destroy+0x70/0x130
[  190.230735][ T2102]      nsim_dev_reload_down+0x24/0x5c
[  190.230735][ T2102]      devlink_reload+0x78/0x2cc
[  190.230735][ T2102]      devlink_pernet_pre_exit+0xd4/0x148
[  190.230735][ T2102]      ops_undo_list+0x8c/0x23c
[  190.230735][ T2102]      cleanup_net+0x1f8/0x3d0
[  190.230735][ T2102]      process_one_work+0x178/0x2cc
[  190.230735][ T2102] 

VM DIAGNOSIS:
08:49:39  Registers:
info registers vcpu 0

CPU#0
 PC=ffff8000808cbe78 X00=0000000000000002 X01=0000000000000018
X02=ffff800082cd5018 X03=ffff800082a93160 X04=f9f00000030dd080
X05=0000000000000072 X06=000000000000000a X07=0000000000000000
X08=7f7f7f7f7f7f7f7f X09=ffff800082a93190 X10=0000000000000001
X11=ffff8000830b3e10 X12=ffff8000829e0168 X13=ffff8000830b3b7d
X14=ffff8000830b3b88 X15=ffff8000830b39f0 X16=00000000b21b6dbc
X17=00000000cb486fb5 X18=00000000ffffffff X19=f6f000000303b077
X20=ffff8000808cbf28 X21=f9f00000030dd080 X22=f6f000000303b077
X23=ffff8000808cbf28 X24=000000000000037d X25=0000000000000001
X26=f2f00000032b5b40 X27=0000000000000000 X28=0000000000000000
X29=ffff8000830b3c90 X30=ffff8000808cbf50  SP=ffff8000830b3c90
PSTATE=814020c9 N--- EL2h  SVCR=00000000 --  BTYPE=0     FPCR=00000000 FPSR=00000010
P00=0000000000000000 P01=0000000000000000 P02=0000000000000000
P03=0000000000000000 P04=0000000000000000 P05=0000000000000000
P06=0000000000000000 P07=0000000000000000 P08=0000000000000000
P09=0000000000000000 P10=0000000000000000 P11=0000000000000000
P12=0000000000000000 P13=0000000000000000 P14=0000000000000000
P15=0000000000000000 FFR=0000000000000000
Z00=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:3fd040b9c43ccc73
Z01=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:3fd3333333333333
Z02=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:4192950384000000
Z03=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:72f1afb4f1977729:f160d24104bbfccb
Z04=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:bf898c0527c9d117:e9b5e5f6290a35f7
Z05=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:155438e8b0885b01:6424fbf699fd98b4
Z06=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:caac770d9cb4e7f1:2264182514179617
Z07=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:6b9a14e76a498dfa:e66bf7d2cde7cab3
Z08=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:c3e8b28178f8a364:28b175fbdd869837
Z09=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:f1fd7ae76558d840:c289317c1109b285
Z10=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:cd8eb63f771925cc:9c6f0f49a83bcb7f
Z11=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:775e3ea536d2040f:099b24d7639968aa
Z12=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:a58046e2fb7bf1bd:cb546256d4d6994f
Z13=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:7d5540a18e90912b:66de107f74d3e462
Z14=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:f9af977d8c41e6cf:6bb516ffe6268900
Z15=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:612c18dc0ceed46d:f73a681b6535faac
Z16=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:4ed35c21df472cd3
Z17=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:8f1bbcdc8f1bbcdc
Z18=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:ca62c1d6ca62c1d6
Z19=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:6ed9eba15a827999
Z20=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:6f453a7d6f453a7d:6f453a7d6f453a7d
Z21=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:7402081e7402081e:7402081e7402081e
Z22=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:62c20b1762c20b17:62c20b1762c20b17
Z23=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:55799b9b55799b9b:55799b9b55799b9b
Z24=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:2f21a6f82f21a6f8:2f21a6f82f21a6f8
Z25=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:cfde6eb1cfde6eb1:cfde6eb1cfde6eb1
Z26=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:6036fbdf6036fbdf:6036fbdf6036fbdf
Z27=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:b09738e5b09738e5:b09738e5b09738e5
Z28=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z29=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z30=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000002:7962a9c3309ca05e
Z31=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0e0d0c0f0a09080b:0605040702010003
info registers vcpu 1

CPU#1
 PC=ffff800080020cfc X00=0000000000000001 X01=ffff8000891b3830
X02=ffff8000891b3b30 X03=0000000000000040 X04=ffff8000891b4000
X05=ffff8000891b32f8 X06=ffff8000891b3310 X07=ffff8000891b3d80
X08=ffff8000891b3298 X09=0000000000002d40 X10=f4f000008866959a
X11=0101010101010101 X12=0000000000000029 X13=0000000000000000
X14=ffffffffffffffff X15=ffff8000891b3560 X16=0000000000000000
X17=0000000000000000 X18=00000000ffffffff X19=0000000000002d40
X20=0000000000000003 X21=0000000000002d40 X22=0000000000000050
X23=0000000000136780 X24=fff000007a336780 X25=fff000007a200000
X26=faf0000005a96ec0 X27=ffff800082c44180 X28=000000008a113678
X29=ffff8000891b3290 X30=ffff800080135d8c  SP=ffff8000891b3280
PSTATE=81402809 N--- EL2h  SVCR=00000000 --  BTYPE=2     FPCR=00000000 FPSR=00000000
P00=0000000000000000 P01=0000000000000000 P02=0000000000000000
P03=0000000000000000 P04=0000000000000000 P05=0000000000000000
P06=0000000000000000 P07=0000000000000000 P08=0000000000000000
P09=0000000000000000 P10=0000000000000000 P11=0000000000000000
P12=0000000000000000 P13=0000000000000000 P14=0000000000000000
P15=0000000000000000 FFR=0000000000000000
Z00=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:6b000a32203d2074:6e756f6320656761
Z01=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:00ff000000000000:0000000000000000
Z02=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0100000000000000
Z03=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:000000ff0000ff00:00ff0000000000ff
Z04=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:000f00f00f00000f
Z05=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:726f6620676e6974:696177203a656369
Z06=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:696177203a656369:76656474656e5f72
Z07=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:6e75745f7a797320:726f6620676e6974
Z08=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z09=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z10=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z11=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z12=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z13=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z14=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z15=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z16=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000ffffcb805360:0000ffffcb805360
Z17=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:ffffff80ffffffd0:0000ffffcb805330
Z18=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z19=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z20=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z21=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z22=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z23=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z24=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z25=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z26=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z27=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z28=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z29=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z30=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000
Z31=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000


syzkaller build log:
go env (err=<nil>)
GO111MODULE='auto'
GOARCH='amd64'
GOBIN=''
GOCACHE='/syzkaller/.cache/go-build'
GOENV='/syzkaller/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFLAGS=''
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMODCACHE='/syzkaller/jobs/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs/linux/gopath'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/syzkaller/jobs/linux/gopath/pkg/mod/golang.org/toolchain@v0.0.1-go1.23.7.linux-amd64'
GOSUMDB='sum.golang.org'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/syzkaller/jobs/linux/gopath/pkg/mod/golang.org/toolchain@v0.0.1-go1.23.7.linux-amd64/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.23.7'
GODEBUG=''
GOTELEMETRY='local'
GOTELEMETRYDIR='/syzkaller/.config/go/telemetry'
GCCGO='gccgo'
GOAMD64='v1'
AR='ar'
CC='gcc'
CXX='g++'
CGO_ENABLED='1'
GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod'
GOWORK=''
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
PKG_CONFIG='pkg-config'
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build4094526140=/tmp/go-build -gno-record-gcc-switches'

git status (err=<nil>)
HEAD detached at 4826c28ef2
nothing to commit, working tree clean


tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
go: downloading github.com/prometheus/client_golang v1.22.0
go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen
make .descriptions
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=arm64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=4826c28ef2aca1ee7dba7111e48d3b6a9c83d9a8 -X github.com/google/syzkaller/prog.gitRevisionDate=20250606-171009"  -o ./bin/linux_arm64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
mkdir -p ./bin/linux_arm64
aarch64-linux-gnu-g++ -o ./bin/linux_arm64/syz-executor executor/executor.cc \
	-O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -std=c++17 -I. -Iexecutor/_include   -DGOOS_linux=1 -DGOARCH_arm64=1 \
	-DHOSTGOOS_linux=1 -DGIT_REVISION=\"4826c28ef2aca1ee7dba7111e48d3b6a9c83d9a8\"
go: downloading github.com/klauspost/compress v1.18.0
/usr/lib/gcc-cross/aarch64-linux-gnu/12/../../../../aarch64-linux-gnu/bin/ld: /tmp/cc4lBGkG.o: in function `Connection::Connect(char const*, char const*)':
executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0xd8): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking