team0: entered allmulticast mode
C: entered allmulticast mode
team_slave_1: entered allmulticast mode
bond0: entered allmulticast mode


: entered allmulticast mode
bond_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: 11640, name: syz.5.1522
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
3 locks held by syz.5.1522/11640:
 #0: ffffffff8f2d8b48 (br_ioctl_mutex){+.+.}-{4:4}, at: br_ioctl_call net/socket.c:1161 [inline]
 #0: ffffffff8f2d8b48 (br_ioctl_mutex){+.+.}-{4:4}, at: sock_ioctl+0x4b4/0x790 net/socket.c:1265
 #1: ffffffff8f2f4148 (rtnl_mutex){+.+.}-{4:4}, at: br_ioctl_stub+0x199/0xc80 net/bridge/br_ioctl.c:418
 #2: ffffffff8df3b860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #2: ffffffff8df3b860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
 #2: ffffffff8df3b860 (rcu_read_lock){....}-{1:3}, at: team_change_rx_flags+0x29/0x330 drivers/net/team/team_core.c:1781
CPU: 1 UID: 0 PID: 11640 Comm: syz.5.1522 Not tainted 6.15.0-rc4-syzkaller-g7220eabff8cb #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_allmulti+0x10e/0x260 net/core/dev_api.c:288
 bond_set_allmulti drivers/net/bonding/bond_main.c:945 [inline]
 bond_change_rx_flags+0x4cd/0x690 drivers/net/bonding/bond_main.c:4736
 dev_change_rx_flags net/core/dev.c:9145 [inline]
 netif_set_allmulti+0x20f/0x380 net/core/dev.c:9247
 dev_set_allmulti+0x12b/0x260 net/core/dev_api.c:289
 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_set_allmulti+0x12b/0x260 net/core/dev_api.c:289
 br_add_if+0x313/0xec0 net/bridge/br_if.c:605
 add_del_if net/bridge/br_ioctl.c:99 [inline]
 br_ioctl_stub+0x6aa/0xc80 net/bridge/br_ioctl.c:462
 br_ioctl_call net/socket.c:1163 [inline]
 sock_ioctl+0x4d5/0x790 net/socket.c:1265
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:892
 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: 0033:0x7ff98c18e969
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:00007ff989fd5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ff98c3b6160 RCX: 00007ff98c18e969
RDX: 0000200000000080 RSI: 00000000000089a2 RDI: 0000000000000008
RBP: 00007ff98c210ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ff98c3b6160 R15: 00007ffe310f1448
 </TASK>

=============================
[ BUG: Invalid wait context ]
6.15.0-rc4-syzkaller-g7220eabff8cb #0 Tainted: G        W          
-----------------------------
syz.5.1522/11640 is trying to lock:
ffff88805b3d4d30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline]
ffff88805b3d4d30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline]
ffff88805b3d4d30 (&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}
3 locks held by syz.5.1522/11640:
 #0: ffffffff8f2d8b48 (br_ioctl_mutex){+.+.}-{4:4}, at: br_ioctl_call net/socket.c:1161 [inline]
 #0: ffffffff8f2d8b48 (br_ioctl_mutex){+.+.}-{4:4}, at: sock_ioctl+0x4b4/0x790 net/socket.c:1265
 #1: ffffffff8f2f4148 (rtnl_mutex){+.+.}-{4:4}, at: br_ioctl_stub+0x199/0xc80 net/bridge/br_ioctl.c:418
 #2: ffffffff8df3b860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #2: ffffffff8df3b860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
 #2: ffffffff8df3b860 (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: 11640 Comm: syz.5.1522 Tainted: G        W           6.15.0-rc4-syzkaller-g7220eabff8cb #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_allmulti+0x10e/0x260 net/core/dev_api.c:288
 bond_set_allmulti drivers/net/bonding/bond_main.c:945 [inline]
 bond_change_rx_flags+0x4cd/0x690 drivers/net/bonding/bond_main.c:4736
 dev_change_rx_flags net/core/dev.c:9145 [inline]
 netif_set_allmulti+0x20f/0x380 net/core/dev.c:9247
 dev_set_allmulti+0x12b/0x260 net/core/dev_api.c:289
 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_set_allmulti+0x12b/0x260 net/core/dev_api.c:289
 br_add_if+0x313/0xec0 net/bridge/br_if.c:605
 add_del_if net/bridge/br_ioctl.c:99 [inline]
 br_ioctl_stub+0x6aa/0xc80 net/bridge/br_ioctl.c:462
 br_ioctl_call net/socket.c:1163 [inline]
 sock_ioctl+0x4d5/0x790 net/socket.c:1265
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:892
 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: 0033:0x7ff98c18e969
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:00007ff989fd5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ff98c3b6160 RCX: 00007ff98c18e969
RDX: 0000200000000080 RSI: 00000000000089a2 RDI: 0000000000000008
RBP: 00007ff98c210ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ff98c3b6160 R15: 00007ffe310f1448
 </TASK>
dummy0: entered allmulticast mode
team0: entered promiscuous mode
C: entered promiscuous mode
team_slave_1: entered promiscuous mode
bond0: entered promiscuous mode


: entered promiscuous mode
bond_slave_1: entered promiscuous mode
dummy0: entered promiscuous mode
bridge0: port 5(team0) entered blocking state
bridge0: port 5(team0) entered forwarding state