device macsec1 left promiscuous mode
device bond6 left promiscuous mode
8021q: adding VLAN 0 to HW filter on device team0
======================================================
WARNING: possible circular locking dependency detected
4.19.139-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.2/15306 is trying to acquire lock:
00000000c2cb410d (&macsec_netdev_addr_lock_key#2/2){+...}, at: netif_addr_lock_nested include/linux/netdevice.h:3991 [inline]
00000000c2cb410d (&macsec_netdev_addr_lock_key#2/2){+...}, at: dev_uc_sync_multiple+0x11a/0x1e0 net/core/dev_addr_lists.c:574
but task is already holding lock:
00000000b550cc1d (&dev_addr_list_lock_key#2/1){+...}, at: netif_addr_lock_nested include/linux/netdevice.h:3991 [inline]
00000000b550cc1d (&dev_addr_list_lock_key#2/1){+...}, at: dev_mc_sync+0x11a/0x1e0 net/core/dev_addr_lists.c:765
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&dev_addr_list_lock_key#2/1){+...}:
netif_addr_lock_nested include/linux/netdevice.h:3991 [inline]
dev_mc_sync+0x11a/0x1e0 net/core/dev_addr_lists.c:765
macsec_dev_set_rx_mode+0x3b/0x50 drivers/net/macsec.c:2887
__dev_set_rx_mode+0x1d9/0x2f0 net/core/dev.c:7592
dev_set_rx_mode net/core/dev.c:7598 [inline]
__dev_open+0x26c/0x3a0 net/core/dev.c:1410
__dev_change_flags+0x501/0x660 net/core/dev.c:7670
rtnl_configure_link+0xec/0x230 net/core/rtnetlink.c:2830
rtnl_newlink+0x104e/0x15b0 net/core/rtnetlink.c:3161
rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4778
netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1909
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xc3/0x120 net/socket.c:632
___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2115
__sys_sendmsg net/socket.c:2153 [inline]
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x132/0x220 net/socket.c:2160
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
-> #0 (&macsec_netdev_addr_lock_key#2/2){+...}:
_raw_spin_lock_nested+0x30/0x40 kernel/locking/spinlock.c:354
netif_addr_lock_nested include/linux/netdevice.h:3991 [inline]
dev_uc_sync_multiple+0x11a/0x1e0 net/core/dev_addr_lists.c:574
team_set_rx_mode+0xce/0x230 drivers/net/team/team.c:1788
__dev_set_rx_mode+0x1d9/0x2f0 net/core/dev.c:7592
dev_mc_sync+0x193/0x1e0 net/core/dev_addr_lists.c:768
vlan_dev_set_rx_mode+0x38/0x80 net/8021q/vlan_dev.c:488
__dev_set_rx_mode+0x1d9/0x2f0 net/core/dev.c:7592
dev_set_rx_mode net/core/dev.c:7598 [inline]
__dev_open+0x26c/0x3a0 net/core/dev.c:1410
__dev_change_flags+0x501/0x660 net/core/dev.c:7670
dev_change_flags+0x7e/0x140 net/core/dev.c:7739
vlan_device_event+0x1429/0x1e40 net/8021q/vlan.c:462
notifier_call_chain+0xc0/0x230 kernel/notifier.c:93
call_netdevice_notifiers net/core/dev.c:1762 [inline]
__dev_notify_flags+0x110/0x2b0 net/core/dev.c:7708
dev_change_flags+0xf0/0x140 net/core/dev.c:7744
do_setlink+0x14f1/0x3540 net/core/rtnetlink.c:2449
rtnl_group_changelink net/core/rtnetlink.c:2925 [inline]
rtnl_newlink+0xbc0/0x15b0 net/core/rtnetlink.c:3083
rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4778
netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1909
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xc3/0x120 net/socket.c:632
___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2115
__sys_sendmsg net/socket.c:2153 [inline]
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x132/0x220 net/socket.c:2160
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&dev_addr_list_lock_key#2/1);
lock(&macsec_netdev_addr_lock_key#2/2);
lock(&dev_addr_list_lock_key#2/1);
lock(&macsec_netdev_addr_lock_key#2/2);
*** DEADLOCK ***
4 locks held by syz-executor.2/15306:
#0: 0000000052ca3d20 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline]
#0: 0000000052ca3d20 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4775
#1: 00000000e03da9c0 (&vlan_netdev_addr_lock_key#3/4){+...}, at: spin_lock_bh include/linux/spinlock.h:334 [inline]
#1: 00000000e03da9c0 (&vlan_netdev_addr_lock_key#3/4){+...}, at: netif_addr_lock_bh include/linux/netdevice.h:3996 [inline]
#1: 00000000e03da9c0 (&vlan_netdev_addr_lock_key#3/4){+...}, at: dev_set_rx_mode net/core/dev.c:7597 [inline]
#1: 00000000e03da9c0 (&vlan_netdev_addr_lock_key#3/4){+...}, at: __dev_open+0x264/0x3a0 net/core/dev.c:1410
#2: 00000000b550cc1d (&dev_addr_list_lock_key#2/1){+...}, at: netif_addr_lock_nested include/linux/netdevice.h:3991 [inline]
#2: 00000000b550cc1d (&dev_addr_list_lock_key#2/1){+...}, at: dev_mc_sync+0x11a/0x1e0 net/core/dev_addr_lists.c:765
#3: 0000000052cf8271 (rcu_read_lock){....}, at: team_set_rx_mode+0x0/0x230 drivers/net/team/team.c:509
stack backtrace:
CPU: 0 PID: 15306 Comm: syz-executor.2 Not tainted 4.19.139-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1221
check_prev_add kernel/locking/lockdep.c:1865 [inline]
check_prevs_add kernel/locking/lockdep.c:1978 [inline]
validate_chain kernel/locking/lockdep.c:2419 [inline]
__lock_acquire+0x30c9/0x3ff0 kernel/locking/lockdep.c:3415
lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3907
_raw_spin_lock_nested+0x30/0x40 kernel/locking/spinlock.c:354
netif_addr_lock_nested include/linux/netdevice.h:3991 [inline]
dev_uc_sync_multiple+0x11a/0x1e0 net/core/dev_addr_lists.c:574
team_set_rx_mode+0xce/0x230 drivers/net/team/team.c:1788
__dev_set_rx_mode+0x1d9/0x2f0 net/core/dev.c:7592
dev_mc_sync+0x193/0x1e0 net/core/dev_addr_lists.c:768
vlan_dev_set_rx_mode+0x38/0x80 net/8021q/vlan_dev.c:488
__dev_set_rx_mode+0x1d9/0x2f0 net/core/dev.c:7592
dev_set_rx_mode net/core/dev.c:7598 [inline]
__dev_open+0x26c/0x3a0 net/core/dev.c:1410
__dev_change_flags+0x501/0x660 net/core/dev.c:7670
dev_change_flags+0x7e/0x140 net/core/dev.c:7739
vlan_device_event+0x1429/0x1e40 net/8021q/vlan.c:462
notifier_call_chain+0xc0/0x230 kernel/notifier.c:93
call_netdevice_notifiers net/core/dev.c:1762 [inline]
__dev_notify_flags+0x110/0x2b0 net/core/dev.c:7708
dev_change_flags+0xf0/0x140 net/core/dev.c:7744
do_setlink+0x14f1/0x3540 net/core/rtnetlink.c:2449
rtnl_group_changelink net/core/rtnetlink.c:2925 [inline]
rtnl_newlink+0xbc0/0x15b0 net/core/rtnetlink.c:3083
rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4778
netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1909
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xc3/0x120 net/socket.c:632
___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2115
__sys_sendmsg net/socket.c:2153 [inline]
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x132/0x220 net/socket.c:2160
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45d239
Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fdffee97c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000002c0c0 RCX: 000000000045d239
RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000004
RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c
R13: 00007fff3831cb5f R14: 00007fdffee989c0 R15: 000000000118cf4c
IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19
caif:caif_disconnect_client(): nothing to disconnect
chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT
chnl_net:chnl_net_open(): state disconnected
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19
caif:caif_disconnect_client(): nothing to disconnect
chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT
chnl_net:chnl_net_open(): state disconnected
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPVS: ftp: loaded support on port[0] = 21
xt_CT: netfilter: NOTRACK target is deprecated, use CT instead or upgrade iptables
IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
8021q: adding VLAN 0 to HW filter on device bond0
IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
8021q: adding VLAN 0 to HW filter on device team0
chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19
caif:caif_disconnect_client(): nothing to disconnect
chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT
chnl_net:chnl_net_open(): state disconnected
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPVS: ftp: loaded support on port[0] = 21
ptrace attach of "/root/syz-executor.2"[15438] was attempted by "/root/syz-executor.2"[15440]
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPVS: ftp: loaded support on port[0] = 21
chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19
IPVS: ftp: loaded support on port[0] = 21
caif:caif_disconnect_client(): nothing to disconnect
chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT
chnl_net:chnl_net_open(): state disconnected
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPVS: ftp: loaded support on port[0] = 21
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19
caif:caif_disconnect_client(): nothing to disconnect
chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT
chnl_net:chnl_net_open(): state disconnected
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19
caif:caif_disconnect_client(): nothing to disconnect
chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT
chnl_net:chnl_net_open(): state disconnected
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19
caif:caif_disconnect_client(): nothing to disconnect
chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT
chnl_net:chnl_net_open(): state disconnected
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPVS: ftp: loaded support on port[0] = 21
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19
caif:caif_disconnect_client(): nothing to disconnect
chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT
chnl_net:chnl_net_open(): state disconnected
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.