netlink: 60 bytes leftover after parsing attributes in process `syz-executor138'.
device wlan1 entered promiscuous mode
team0: Port device wlan1 added
======================================================
WARNING: possible circular locking dependency detected
5.15.166-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor138/4025 is trying to acquire lock:
ffff0000d6024d00 (team->team_lock_key){+.+.}-{3:3}, at: team_del_slave+0x38/0x1bc drivers/net/team/team.c:1996
but task is already holding lock:
ffff0000daf30628 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: nl80211_del_interface+0x104/0x66c net/wireless/nl80211.c:4111
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&rdev->wiphy.mtx){+.+.}-{3:3}:
__mutex_lock_common+0x194/0x2154 kernel/locking/mutex.c:596
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743
wiphy_lock include/net/cfg80211.h:5314 [inline]
ieee80211_open+0x13c/0x1e0 net/mac80211/iface.c:361
__dev_open+0x324/0x514 net/core/dev.c:1506
dev_open+0xa8/0x23c net/core/dev.c:1542
team_port_add drivers/net/team/team.c:1212 [inline]
team_add_slave+0x6e4/0x1fb0 drivers/net/team/team.c:1982
do_set_master net/core/rtnetlink.c:2543 [inline]
do_setlink+0xc08/0x3134 net/core/rtnetlink.c:2754
__rtnl_newlink net/core/rtnetlink.c:3418 [inline]
rtnl_newlink+0x1294/0x1acc net/core/rtnetlink.c:3540
rtnetlink_rcv_msg+0xa74/0xdac net/core/rtnetlink.c:5618
netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2503
rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:5636
netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline]
netlink_unicast+0x664/0x938 net/netlink/af_netlink.c:1352
netlink_sendmsg+0x844/0xb38 net/netlink/af_netlink.c:1920
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
____sys_sendmsg+0x584/0x870 net/socket.c:2431
___sys_sendmsg+0x214/0x294 net/socket.c:2485
__sys_sendmsg net/socket.c:2514 [inline]
__do_sys_sendmsg net/socket.c:2523 [inline]
__se_sys_sendmsg net/socket.c:2521 [inline]
__arm64_sys_sendmsg+0x1ac/0x25c net/socket.c:2521
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
-> #0 (team->team_lock_key){+.+.}-{3:3}:
check_prev_add kernel/locking/lockdep.c:3053 [inline]
check_prevs_add kernel/locking/lockdep.c:3172 [inline]
validate_chain kernel/locking/lockdep.c:3788 [inline]
__lock_acquire+0x32d4/0x7638 kernel/locking/lockdep.c:5012
lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623
__mutex_lock_common+0x194/0x2154 kernel/locking/mutex.c:596
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743
team_del_slave+0x38/0x1bc drivers/net/team/team.c:1996
team_device_event+0x260/0x4f4 drivers/net/team/team.c:3038
notifier_call_chain kernel/notifier.c:83 [inline]
raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:391
call_netdevice_notifiers_info net/core/dev.c:2018 [inline]
call_netdevice_notifiers_extack net/core/dev.c:2030 [inline]
call_netdevice_notifiers net/core/dev.c:2044 [inline]
unregister_netdevice_many+0xec4/0x189c net/core/dev.c:11094
unregister_netdevice_queue+0x2d0/0x31c net/core/dev.c:11027
unregister_netdevice include/linux/netdevice.h:3012 [inline]
_cfg80211_unregister_wdev+0x168/0x4a8 net/wireless/core.c:1129
cfg80211_unregister_wdev+0x24/0x34 net/wireless/core.c:1174
ieee80211_if_remove+0x1a4/0x294 net/mac80211/iface.c:2090
ieee80211_del_iface+0x20/0x34 net/mac80211/cfg.c:145
rdev_del_virtual_intf net/wireless/rdev-ops.h:57 [inline]
nl80211_del_interface+0x1dc/0x66c net/wireless/nl80211.c:4113
genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]
genl_rcv_msg+0xc18/0x1018 net/netlink/genetlink.c:792
netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2503
genl_rcv+0x38/0x50 net/netlink/genetlink.c:803
netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline]
netlink_unicast+0x664/0x938 net/netlink/af_netlink.c:1352
netlink_sendmsg+0x844/0xb38 net/netlink/af_netlink.c:1920
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
____sys_sendmsg+0x584/0x870 net/socket.c:2431
___sys_sendmsg+0x214/0x294 net/socket.c:2485
__sys_sendmsg net/socket.c:2514 [inline]
__do_sys_sendmsg net/socket.c:2523 [inline]
__se_sys_sendmsg net/socket.c:2521 [inline]
__arm64_sys_sendmsg+0x1ac/0x25c net/socket.c:2521
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&rdev->wiphy.mtx);
lock(team->team_lock_key);
lock(&rdev->wiphy.mtx);
lock(team->team_lock_key);
*** DEADLOCK ***
3 locks held by syz-executor138/4025:
#0: ffff800016c3e290 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:802
#1: ffff800016be2128 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:72
#2: ffff0000daf30628 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: nl80211_del_interface+0x104/0x66c net/wireless/nl80211.c:4111
stack backtrace:
CPU: 1 PID: 4025 Comm: syz-executor138 Not tainted 5.15.166-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
print_circular_bug+0x150/0x1b8 kernel/locking/lockdep.c:2011
check_noncircular+0x2cc/0x378 kernel/locking/lockdep.c:2133
check_prev_add kernel/locking/lockdep.c:3053 [inline]
check_prevs_add kernel/locking/lockdep.c:3172 [inline]
validate_chain kernel/locking/lockdep.c:3788 [inline]
__lock_acquire+0x32d4/0x7638 kernel/locking/lockdep.c:5012
lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623
__mutex_lock_common+0x194/0x2154 kernel/locking/mutex.c:596
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743
team_del_slave+0x38/0x1bc drivers/net/team/team.c:1996
team_device_event+0x260/0x4f4 drivers/net/team/team.c:3038
notifier_call_chain kernel/notifier.c:83 [inline]
raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:391
call_netdevice_notifiers_info net/core/dev.c:2018 [inline]
call_netdevice_notifiers_extack net/core/dev.c:2030 [inline]
call_netdevice_notifiers net/core/dev.c:2044 [inline]
unregister_netdevice_many+0xec4/0x189c net/core/dev.c:11094
unregister_netdevice_queue+0x2d0/0x31c net/core/dev.c:11027
unregister_netdevice include/linux/netdevice.h:3012 [inline]
_cfg80211_unregister_wdev+0x168/0x4a8 net/wireless/core.c:1129
cfg80211_unregister_wdev+0x24/0x34 net/wireless/core.c:1174
ieee80211_if_remove+0x1a4/0x294 net/mac80211/iface.c:2090
ieee80211_del_iface+0x20/0x34 net/mac80211/cfg.c:145
rdev_del_virtual_intf net/wireless/rdev-ops.h:57 [inline]
nl80211_del_interface+0x1dc/0x66c net/wireless/nl80211.c:4113
genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]
genl_rcv_msg+0xc18/0x1018 net/netlink/genetlink.c:792
netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2503
genl_rcv+0x38/0x50 net/netlink/genetlink.c:803
netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline]
netlink_unicast+0x664/0x938 net/netlink/af_netlink.c:1352
netlink_sendmsg+0x844/0xb38 net/netlink/af_netlink.c:1920
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
____sys_sendmsg+0x584/0x870 net/socket.c:2431
___sys_sendmsg+0x214/0x294 net/socket.c:2485
__sys_sendmsg net/socket.c:2514 [inline]
__do_sys_sendmsg net/socket.c:2523 [inline]
__se_sys_sendmsg net/socket.c:2521 [inline]
__arm64_sys_sendmsg+0x1ac/0x25c net/socket.c:2521
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
team0: Port device wlan1 removed