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: 14612, name: syz.1.4148
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
2 locks held by syz.1.4148/14612:
#0: ffffffff9012b0e8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff9012b0e8 (rtnl_mutex){+.+.}-{4:4}, at: dev_ioctl+0x1a1/0x10e0 net/core/dev_ioctl.c:847
#1: ffffffff8e3bf5c0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#1: ffffffff8e3bf5c0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#1: ffffffff8e3bf5c0 (rcu_read_lock){....}-{1:3}, at: team_change_rx_flags+0x33/0x390 drivers/net/team/team_core.c:1781
CPU: 0 UID: 0 PID: 14612 Comm: syz.1.4148 Not tainted 6.15.0-rc3-syzkaller-00032-ga79be02bba5c #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+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_allmulti+0xa2/0x260 net/core/dev_api.c:288
team_change_rx_flags+0x1bc/0x390 drivers/net/team/team_core.c:1789
dev_change_rx_flags net/core/dev.c:9145 [inline]
netif_set_allmulti+0x203/0x3d0 net/core/dev.c:9247
dev_set_allmulti+0xb7/0x260 net/core/dev_api.c:289
br_add_if+0x6ad/0x1b70 net/bridge/br_if.c:605
add_del_if+0x114/0x160 net/bridge/br_ioctl.c:99
br_dev_siocdevprivate+0x908/0x1650 net/bridge/br_ioctl.c:160
dev_siocdevprivate net/core/dev_ioctl.c:521 [inline]
dev_ifsioc+0x8eb/0x1f70 net/core/dev_ioctl.c:631
dev_ioctl+0x1b2/0x10e0 net/core/dev_ioctl.c:848
sock_ioctl+0x5b3/0x6b0 net/socket.c:1236
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: 0033:0x7fd7d998e969
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:00007fd7da837038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fd7d9bb5fa0 RCX: 00007fd7d998e969
RDX: 0000200000001440 RSI: 00000000000089f0 RDI: 0000000000000003
RBP: 00007fd7d9a10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd7d9bb5fa0 R15: 00007ffe86e76758
=============================
[ BUG: Invalid wait context ]
6.15.0-rc3-syzkaller-00032-ga79be02bba5c #0 Tainted: G W
-----------------------------
syz.1.4148/14612 is trying to lock:
ffff888036a8ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline]
ffff888036a8ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline]
ffff888036a8ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:39 [inline]
ffff888036a8ed30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: dev_set_allmulti+0xa2/0x260 net/core/dev_api.c:288
other info that might help us debug this:
context-{5:5}
2 locks held by syz.1.4148/14612:
#0: ffffffff9012b0e8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff9012b0e8 (rtnl_mutex){+.+.}-{4:4}, at: dev_ioctl+0x1a1/0x10e0 net/core/dev_ioctl.c:847
#1: ffffffff8e3bf5c0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#1: ffffffff8e3bf5c0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#1: ffffffff8e3bf5c0 (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: 14612 Comm: syz.1.4148 Tainted: G W 6.15.0-rc3-syzkaller-00032-ga79be02bba5c #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+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_allmulti+0xa2/0x260 net/core/dev_api.c:288
team_change_rx_flags+0x1bc/0x390 drivers/net/team/team_core.c:1789
dev_change_rx_flags net/core/dev.c:9145 [inline]
netif_set_allmulti+0x203/0x3d0 net/core/dev.c:9247
dev_set_allmulti+0xb7/0x260 net/core/dev_api.c:289
br_add_if+0x6ad/0x1b70 net/bridge/br_if.c:605
add_del_if+0x114/0x160 net/bridge/br_ioctl.c:99
br_dev_siocdevprivate+0x908/0x1650 net/bridge/br_ioctl.c:160
dev_siocdevprivate net/core/dev_ioctl.c:521 [inline]
dev_ifsioc+0x8eb/0x1f70 net/core/dev_ioctl.c:631
dev_ioctl+0x1b2/0x10e0 net/core/dev_ioctl.c:848
sock_ioctl+0x5b3/0x6b0 net/socket.c:1236
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: 0033:0x7fd7d998e969
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:00007fd7da837038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fd7d9bb5fa0 RCX: 00007fd7d998e969
RDX: 0000200000001440 RSI: 00000000000089f0 RDI: 0000000000000003
RBP: 00007fd7d9a10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd7d9bb5fa0 R15: 00007ffe86e76758
dummy0: entered allmulticast mode
team0: entered promiscuous mode
team_slave_0: entered promiscuous mode
team_slave_1: entered promiscuous mode
dummy0: entered promiscuous mode
bridge0: port 3(team0) entered blocking state
bridge0: port 3(team0) entered forwarding state