batadv_slave_0: entered promiscuous mode
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: 7464, name: syz.0.398
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
2 locks held by syz.0.398/7464:
 #0: ffffffff8f2fa848 (rtnl_mutex){+.+.}-{4:4}, at: packet_mc_add+0x28/0xb60 net/packet/af_packet.c:3737
 #1: ffffffff8df3dee0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #1: ffffffff8df3dee0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
 #1: ffffffff8df3dee0 (rcu_read_lock){....}-{1:3}, at: team_change_rx_flags+0x29/0x330 drivers/net/team/team_core.c:1781
CPU: 1 UID: 0 PID: 7464 Comm: syz.0.398 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_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_promiscuity+0x10e/0x260 net/core/dev_api.c:285
 team_change_rx_flags+0x1b3/0x330 drivers/net/team/team_core.c:1785
 dev_change_rx_flags net/core/dev.c:9145 [inline]
 __dev_set_promiscuity+0x3f5/0x590 net/core/dev.c:9189
 netif_set_promiscuity+0x50/0xe0 net/core/dev.c:9201
 dev_set_promiscuity+0x126/0x260 net/core/dev_api.c:286
 packet_dev_mc net/packet/af_packet.c:3698 [inline]
 packet_mc_add+0x63a/0xb60 net/packet/af_packet.c:3774
 packet_setsockopt+0xbf1/0x12c0 net/packet/af_packet.c:3859
 do_sock_setsockopt+0x257/0x3e0 net/socket.c:2296
 __sys_setsockopt net/socket.c:2321 [inline]
 __do_sys_setsockopt net/socket.c:2327 [inline]
 __se_sys_setsockopt net/socket.c:2324 [inline]
 __x64_sys_setsockopt+0x18b/0x220 net/socket.c:2324
 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: 0033:0x7ff23d78e969
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:00007ff23e5f9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007ff23d9b5fa0 RCX: 00007ff23d78e969
RDX: 0000000000000001 RSI: 0000000000000107 RDI: 0000000000000003
RBP: 00007ff23d810ab1 R08: 0000000000000010 R09: 0000000000000000
R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff23d9b5fa0 R15: 00007ff23dadfa28
 </TASK>

=============================
[ BUG: Invalid wait context ]
6.15.0-rc7-syzkaller-00007-g4a95bc121ccd #0 Tainted: G        W          
-----------------------------
syz.0.398/7464 is trying to lock:
ffff88805c5c6d30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline]
ffff88805c5c6d30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline]
ffff88805c5c6d30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: dev_set_promiscuity+0x10e/0x260 net/core/dev_api.c:285
other info that might help us debug this:
context-{5:5}
2 locks held by syz.0.398/7464:
 #0: ffffffff8f2fa848 (rtnl_mutex){+.+.}-{4:4}, at: packet_mc_add+0x28/0xb60 net/packet/af_packet.c:3737
 #1: ffffffff8df3dee0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #1: ffffffff8df3dee0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
 #1: ffffffff8df3dee0 (rcu_read_lock){....}-{1:3}, at: team_change_rx_flags+0x29/0x330 drivers/net/team/team_core.c:1781
stack backtrace:
CPU: 1 UID: 0 PID: 7464 Comm: syz.0.398 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_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_promiscuity+0x10e/0x260 net/core/dev_api.c:285
 team_change_rx_flags+0x1b3/0x330 drivers/net/team/team_core.c:1785
 dev_change_rx_flags net/core/dev.c:9145 [inline]
 __dev_set_promiscuity+0x3f5/0x590 net/core/dev.c:9189
 netif_set_promiscuity+0x50/0xe0 net/core/dev.c:9201
 dev_set_promiscuity+0x126/0x260 net/core/dev_api.c:286
 packet_dev_mc net/packet/af_packet.c:3698 [inline]
 packet_mc_add+0x63a/0xb60 net/packet/af_packet.c:3774
 packet_setsockopt+0xbf1/0x12c0 net/packet/af_packet.c:3859
 do_sock_setsockopt+0x257/0x3e0 net/socket.c:2296
 __sys_setsockopt net/socket.c:2321 [inline]
 __do_sys_setsockopt net/socket.c:2327 [inline]
 __se_sys_setsockopt net/socket.c:2324 [inline]
 __x64_sys_setsockopt+0x18b/0x220 net/socket.c:2324
 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: 0033:0x7ff23d78e969
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:00007ff23e5f9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007ff23d9b5fa0 RCX: 00007ff23d78e969
RDX: 0000000000000001 RSI: 0000000000000107 RDI: 0000000000000003
RBP: 00007ff23d810ab1 R08: 0000000000000010 R09: 0000000000000000
R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff23d9b5fa0 R15: 00007ff23dadfa28
 </TASK>
dummy0: entered promiscuous mode