bridge0: port 3(team0) entered blocking state
bridge0: port 3(team0) entered disabled state
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: 6190, name: syz.4.89
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
2 locks held by syz.4.89/6190:
#0: ffffffff90100308 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline]
#0: ffffffff90100308 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline]
#0: ffffffff90100308 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xd68/0x1fe0 net/core/rtnetlink.c:4067
#1: ffffffff8ed3d200 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#1: ffffffff8ed3d200 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#1: ffffffff8ed3d200 (rcu_read_lock){....}-{1:3}, at: team_change_rx_flags+0x29/0x330 drivers/net/team/team_core.c:1781
CPU: 0 UID: 0 PID: 6190 Comm: syz.4.89 Not tainted 6.15.0-rc1-next-20250408-syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
__might_resched+0x558/0x6c0 kernel/sched/core.c:8818
__mutex_lock_common kernel/locking/mutex.c:578 [inline]
__mutex_lock+0x12c/0x10c0 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+0x11c/0x270 net/core/dev_api.c:288
team_change_rx_flags+0x1a8/0x330 drivers/net/team/team_core.c:1789
dev_change_rx_flags net/core/dev.c:9143 [inline]
netif_set_allmulti+0x20e/0x380 net/core/dev.c:9245
dev_set_allmulti+0x143/0x270 net/core/dev_api.c:289
br_add_if+0x317/0xef0 net/bridge/br_if.c:605
do_set_master+0x579/0x730 net/core/rtnetlink.c:2946
do_setlink+0x111d/0x43a0 net/core/rtnetlink.c:3159
rtnl_changelink net/core/rtnetlink.c:3772 [inline]
__rtnl_newlink net/core/rtnetlink.c:3931 [inline]
rtnl_newlink+0x17e2/0x1fe0 net/core/rtnetlink.c:4068
rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6958
netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2534
netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
netlink_unicast+0x7f8/0x9a0 net/netlink/af_netlink.c:1339
netlink_sendmsg+0x8c3/0xcd0 net/netlink/af_netlink.c:1883
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:727
____sys_sendmsg+0x523/0x860 net/socket.c:2566
___sys_sendmsg net/socket.c:2620 [inline]
__sys_sendmsg+0x271/0x360 net/socket.c:2652
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f26d478d169
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:00007f26d5512038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f26d49a6080 RCX: 00007f26d478d169
RDX: 0000000000000080 RSI: 0000200000000100 RDI: 0000000000000003
RBP: 00007f26d480e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f26d49a6080 R15: 00007ffe3b1159e8
=============================
[ BUG: Invalid wait context ]
6.15.0-rc1-next-20250408-syzkaller #0 Tainted: G W
-----------------------------
syz.4.89/6190 is trying to lock:
ffff88805db0ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline]
ffff88805db0ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline]
ffff88805db0ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: dev_set_allmulti+0x11c/0x270 net/core/dev_api.c:288
other info that might help us debug this:
context-{5:5}
2 locks held by syz.4.89/6190:
#0: ffffffff90100308 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline]
#0: ffffffff90100308 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline]
#0: ffffffff90100308 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xd68/0x1fe0 net/core/rtnetlink.c:4067
#1: ffffffff8ed3d200 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#1: ffffffff8ed3d200 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#1: ffffffff8ed3d200 (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: 6190 Comm: syz.4.89 Tainted: G W 6.15.0-rc1-next-20250408-syzkaller #0 PREEMPT(full)
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 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+0xc30/0xd80 kernel/locking/lockdep.c:5185
lock_acquire+0x116/0x2f0 kernel/locking/lockdep.c:5866
__mutex_lock_common kernel/locking/mutex.c:601 [inline]
__mutex_lock+0x1a5/0x10c0 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+0x11c/0x270 net/core/dev_api.c:288
team_change_rx_flags+0x1a8/0x330 drivers/net/team/team_core.c:1789
dev_change_rx_flags net/core/dev.c:9143 [inline]
netif_set_allmulti+0x20e/0x380 net/core/dev.c:9245
dev_set_allmulti+0x143/0x270 net/core/dev_api.c:289
br_add_if+0x317/0xef0 net/bridge/br_if.c:605
do_set_master+0x579/0x730 net/core/rtnetlink.c:2946
do_setlink+0x111d/0x43a0 net/core/rtnetlink.c:3159
rtnl_changelink net/core/rtnetlink.c:3772 [inline]
__rtnl_newlink net/core/rtnetlink.c:3931 [inline]
rtnl_newlink+0x17e2/0x1fe0 net/core/rtnetlink.c:4068
rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6958
netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2534
netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
netlink_unicast+0x7f8/0x9a0 net/netlink/af_netlink.c:1339
netlink_sendmsg+0x8c3/0xcd0 net/netlink/af_netlink.c:1883
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:727
____sys_sendmsg+0x523/0x860 net/socket.c:2566
___sys_sendmsg net/socket.c:2620 [inline]
__sys_sendmsg+0x271/0x360 net/socket.c:2652
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f26d478d169
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:00007f26d5512038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f26d49a6080 RCX: 00007f26d478d169
RDX: 0000000000000080 RSI: 0000200000000100 RDI: 0000000000000003
RBP: 00007f26d480e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f26d49a6080 R15: 00007ffe3b1159e8
dummy0: entered allmulticast mode
bridge0: port 3(team0) entered blocking state
bridge0: port 3(team0) entered forwarding state