team0: entered promiscuous mode
team_slave_0: entered promiscuous mode
team_slave_1: entered promiscuous mode
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:578
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 19572, name: syz.4.6353
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
2 locks held by syz.4.6353/19572:
 #0: ffffffff901289e8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
 #0: ffffffff901289e8 (rtnl_mutex){+.+.}-{4:4}, at: dev_ioctl+0x212/0x10e0 net/core/dev_ioctl.c:820
 #1: ffffffff8e3bfc00 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #1: ffffffff8e3bfc00 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
 #1: ffffffff8e3bfc00 (rcu_read_lock){....}-{1:3}, at: team_change_rx_flags+0x33/0x390 drivers/net/team/team_core.c:1781
CPU: 0 UID: 0 PID: 19572 Comm: syz.4.6353 Not tainted 6.15.0-rc7-syzkaller-00007-g4a95bc121ccd #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
 __might_resched+0x3c0/0x5e0 kernel/sched/core.c:8818
 __mutex_lock_common kernel/locking/mutex.c:578 [inline]
 __mutex_lock+0x106/0xb90 kernel/locking/mutex.c:746
 netdev_lock include/linux/netdevice.h:2751 [inline]
 netdev_lock_ops include/net/netdev_lock.h:42 [inline]
 netdev_lock_ops include/net/netdev_lock.h:39 [inline]
 dev_set_promiscuity+0xa2/0x260 net/core/dev_api.c:285
 team_change_rx_flags+0x146/0x390 drivers/net/team/team_core.c:1785
 dev_change_rx_flags net/core/dev.c:9145 [inline]
 __dev_set_promiscuity+0x217/0x590 net/core/dev.c:9189
 __dev_change_flags+0x2d1/0x720 net/core/dev.c:9363
 netif_change_flags+0x8d/0x160 net/core/dev.c:9417
 dev_change_flags+0xba/0x250 net/core/dev_api.c:68
 dev_ifsioc+0x1498/0x1f70 net/core/dev_ioctl.c:565
 dev_ioctl+0x223/0x10e0 net/core/dev_ioctl.c:821
 sock_do_ioctl+0x19d/0x280 net/socket.c:1204
 sock_ioctl+0x227/0x6b0 net/socket.c:1311
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl fs/ioctl.c:892 [inline]
 __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd00bb8e969
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:00007fd00c925038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fd00bdb5fa0 RCX: 00007fd00bb8e969
RDX: 0000200000000500 RSI: 0000000000008914 RDI: 0000000000000004
RBP: 00007fd00bc10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd00bdb5fa0 R15: 00007ffd556f3c58
 </TASK>

=============================
[ BUG: Invalid wait context ]
6.15.0-rc7-syzkaller-00007-g4a95bc121ccd #0 Tainted: G        W          
-----------------------------
syz.4.6353/19572 is trying to lock:
ffff88805b6c8d30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline]
ffff88805b6c8d30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline]
ffff88805b6c8d30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:39 [inline]
ffff88805b6c8d30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: dev_set_promiscuity+0xa2/0x260 net/core/dev_api.c:285
other info that might help us debug this:
context-{5:5}
2 locks held by syz.4.6353/19572:
 #0: ffffffff901289e8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
 #0: ffffffff901289e8 (rtnl_mutex){+.+.}-{4:4}, at: dev_ioctl+0x212/0x10e0 net/core/dev_ioctl.c:820
 #1: ffffffff8e3bfc00 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #1: ffffffff8e3bfc00 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
 #1: ffffffff8e3bfc00 (rcu_read_lock){....}-{1:3}, at: team_change_rx_flags+0x33/0x390 drivers/net/team/team_core.c:1781
stack backtrace:
CPU: 0 UID: 0 PID: 19572 Comm: syz.4.6353 Tainted: G        W           6.15.0-rc7-syzkaller-00007-g4a95bc121ccd #0 PREEMPT(full) 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 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+0x3ff/0x1ba0 kernel/locking/lockdep.c:5185
 lock_acquire kernel/locking/lockdep.c:5866 [inline]
 lock_acquire+0x179/0x350 kernel/locking/lockdep.c:5823
 __mutex_lock_common kernel/locking/mutex.c:601 [inline]
 __mutex_lock+0x199/0xb90 kernel/locking/mutex.c:746
 netdev_lock include/linux/netdevice.h:2751 [inline]
 netdev_lock_ops include/net/netdev_lock.h:42 [inline]
 netdev_lock_ops include/net/netdev_lock.h:39 [inline]
 dev_set_promiscuity+0xa2/0x260 net/core/dev_api.c:285
 team_change_rx_flags+0x146/0x390 drivers/net/team/team_core.c:1785
 dev_change_rx_flags net/core/dev.c:9145 [inline]
 __dev_set_promiscuity+0x217/0x590 net/core/dev.c:9189
 __dev_change_flags+0x2d1/0x720 net/core/dev.c:9363
 netif_change_flags+0x8d/0x160 net/core/dev.c:9417
 dev_change_flags+0xba/0x250 net/core/dev_api.c:68
 dev_ifsioc+0x1498/0x1f70 net/core/dev_ioctl.c:565
 dev_ioctl+0x223/0x10e0 net/core/dev_ioctl.c:821
 sock_do_ioctl+0x19d/0x280 net/socket.c:1204
 sock_ioctl+0x227/0x6b0 net/socket.c:1311
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl fs/ioctl.c:892 [inline]
 __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd00bb8e969
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:00007fd00c925038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fd00bdb5fa0 RCX: 00007fd00bb8e969
RDX: 0000200000000500 RSI: 0000000000008914 RDI: 0000000000000004
RBP: 00007fd00bc10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd00bdb5fa0 R15: 00007ffd556f3c58
 </TASK>
dummy0: entered promiscuous mode
team0: entered allmulticast mode
team_slave_0: entered allmulticast mode
team_slave_1: entered allmulticast mode
dummy0: entered allmulticast mode
8021q: adding VLAN 0 to HW filter on device team0