team_slave_0: entered promiscuous mode
team_slave_1: entered promiscuous mode
ªªªªªª: entered promiscuous mode
team0: entered allmulticast mode
team_slave_0: entered allmulticast mode
team_slave_1: entered allmulticast mode
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:578
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 9062, name: syz.3.1554
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
2 locks held by syz.3.1554/9062:
 #0: ffffffff8f2f2b08 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline]
 #0: ffffffff8f2f2b08 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline]
 #0: ffffffff8f2f2b08 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_setlink+0x4ea/0x900 net/core/rtnetlink.c:3456
 #1: ffffffff8df3b860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #1: ffffffff8df3b860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
 #1: ffffffff8df3b860 (rcu_read_lock){....}-{1:3}, at: team_change_rx_flags+0x29/0x330 drivers/net/team/team_core.c:1781
CPU: 0 UID: 0 PID: 9062 Comm: syz.3.1554 Not tainted 6.15.0-rc3-syzkaller-g46eb012611f7 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 __might_resched+0x495/0x610 kernel/sched/core.c:8818
 __mutex_lock_common kernel/locking/mutex.c:578 [inline]
 __mutex_lock+0x106/0xe80 kernel/locking/mutex.c:746
 netdev_lock include/linux/netdevice.h:2751 [inline]
 netdev_lock_ops include/net/netdev_lock.h:42 [inline]
 dev_set_allmulti+0x10e/0x260 net/core/dev_api.c:288
 team_change_rx_flags+0x20f/0x330 drivers/net/team/team_core.c:1789
 dev_change_rx_flags net/core/dev.c:9145 [inline]
 netif_set_allmulti+0x20f/0x380 net/core/dev.c:9247
 __dev_change_flags+0x52e/0x6d0 net/core/dev.c:9388
 netif_change_flags+0x88/0x1a0 net/core/dev.c:9429
 do_setlink+0xcb9/0x40d0 net/core/rtnetlink.c:3152
 rtnl_setlink+0x604/0x900 net/core/rtnetlink.c:3466
 rtnetlink_rcv_msg+0x7cc/0xb70 net/core/rtnetlink.c:6955
 netlink_rcv_skb+0x219/0x490 net/netlink/af_netlink.c:2534
 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
 netlink_unicast+0x758/0x8d0 net/netlink/af_netlink.c:1339
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg+0x219/0x270 net/socket.c:727
 ____sys_sendmsg+0x505/0x830 net/socket.c:2566
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620
 __sys_sendmsg net/socket.c:2652 [inline]
 __do_sys_sendmsg net/socket.c:2657 [inline]
 __se_sys_sendmsg net/socket.c:2655 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2655
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd94758e969
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd94848e038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fd9477b5fa0 RCX: 00007fd94758e969
RDX: 0000000000004014 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007fd947610ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd9477b5fa0 R15: 00007ffe468697a8
 </TASK>

=============================
[ BUG: Invalid wait context ]
6.15.0-rc3-syzkaller-g46eb012611f7 #0 Tainted: G        W          
-----------------------------
syz.3.1554/9062 is trying to lock:
ffff88805889ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline]
ffff88805889ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline]
ffff88805889ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: dev_set_allmulti+0x10e/0x260 net/core/dev_api.c:288
other info that might help us debug this:
context-{5:5}
2 locks held by syz.3.1554/9062:
 #0: ffffffff8f2f2b08 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline]
 #0: ffffffff8f2f2b08 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline]
 #0: ffffffff8f2f2b08 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_setlink+0x4ea/0x900 net/core/rtnetlink.c:3456
 #1: ffffffff8df3b860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #1: ffffffff8df3b860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
 #1: ffffffff8df3b860 (rcu_read_lock){....}-{1:3}, at: team_change_rx_flags+0x29/0x330 drivers/net/team/team_core.c:1781
stack backtrace:
CPU: 0 UID: 0 PID: 9062 Comm: syz.3.1554 Tainted: G        W           6.15.0-rc3-syzkaller-g46eb012611f7 #0 PREEMPT(full) 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_lock_invalid_wait_context kernel/locking/lockdep.c:4831 [inline]
 check_wait_context kernel/locking/lockdep.c:4903 [inline]
 __lock_acquire+0xbcf/0xd20 kernel/locking/lockdep.c:5185
 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5866
 __mutex_lock_common kernel/locking/mutex.c:601 [inline]
 __mutex_lock+0x182/0xe80 kernel/locking/mutex.c:746
 netdev_lock include/linux/netdevice.h:2751 [inline]
 netdev_lock_ops include/net/netdev_lock.h:42 [inline]
 dev_set_allmulti+0x10e/0x260 net/core/dev_api.c:288
 team_change_rx_flags+0x20f/0x330 drivers/net/team/team_core.c:1789
 dev_change_rx_flags net/core/dev.c:9145 [inline]
 netif_set_allmulti+0x20f/0x380 net/core/dev.c:9247
 __dev_change_flags+0x52e/0x6d0 net/core/dev.c:9388
 netif_change_flags+0x88/0x1a0 net/core/dev.c:9429
 do_setlink+0xcb9/0x40d0 net/core/rtnetlink.c:3152
 rtnl_setlink+0x604/0x900 net/core/rtnetlink.c:3466
 rtnetlink_rcv_msg+0x7cc/0xb70 net/core/rtnetlink.c:6955
 netlink_rcv_skb+0x219/0x490 net/netlink/af_netlink.c:2534
 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
 netlink_unicast+0x758/0x8d0 net/netlink/af_netlink.c:1339
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg+0x219/0x270 net/socket.c:727
 ____sys_sendmsg+0x505/0x830 net/socket.c:2566
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620
 __sys_sendmsg net/socket.c:2652 [inline]
 __do_sys_sendmsg net/socket.c:2657 [inline]
 __se_sys_sendmsg net/socket.c:2655 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2655
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd94758e969
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd94848e038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fd9477b5fa0 RCX: 00007fd94758e969
RDX: 0000000000004014 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007fd947610ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd9477b5fa0 R15: 00007ffe468697a8
 </TASK>
ªªªªªª: entered allmulticast mode
bridge0: port 3(team0) entered blocking state
bridge0: port 3(team0) entered disabled state
bridge0: port 3(team0) entered blocking state
bridge0: port 3(team0) entered forwarding state