bridge6: entered promiscuous mode
bridge2: port 1(macsec1) entered blocking state
bridge2: port 1(macsec1) entered disabled state
macsec1: entered allmulticast mode
team0: 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: 2097, name: syz.4.13646
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
3 locks held by syz.4.13646/2097:
#0: ffffffff8f9fbdd0 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#0: ffffffff8f9fbdd0 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#0: ffffffff8f9fbdd0 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x23/0x250 net/core/rtnetlink.c:570
#1: ffffffff8f4f7808 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline]
#1: ffffffff8f4f7808 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline]
#1: ffffffff8f4f7808 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x8db/0x1c70 net/core/rtnetlink.c:4064
#2: ffffffff8e13b860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#2: ffffffff8e13b860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#2: ffffffff8e13b860 (rcu_read_lock){....}-{1:3}, at: team_change_rx_flags+0x29/0x330 drivers/net/team/team_core.c:1781
CPU: 0 UID: 0 PID: 2097 Comm: syz.4.13646 Not tainted 6.15.0-rc3-syzkaller-00076-ge72e9e693307 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
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
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
macsec_dev_change_rx_flags+0xd8/0x180 drivers/net/macsec.c:3693
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
do_set_master+0x530/0x6d0 net/core/rtnetlink.c:2946
rtnl_newlink_create+0x654/0xaf0 net/core/rtnetlink.c:3847
__rtnl_newlink net/core/rtnetlink.c:3950 [inline]
rtnl_newlink+0x16d6/0x1c70 net/core/rtnetlink.c:4065
rtnetlink_rcv_msg+0x7cc/0xb70 net/core/rtnetlink.c:6955
netlink_rcv_skb+0x219/0x490 net/netlink/af_netlink.c:2534
netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
netlink_unicast+0x758/0x8d0 net/netlink/af_netlink.c:1339
netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg+0x219/0x270 net/socket.c:727
____sys_sendmsg+0x505/0x830 net/socket.c:2566
___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620
__sys_sendmsg net/socket.c:2652 [inline]
__do_sys_sendmsg net/socket.c:2657 [inline]
__se_sys_sendmsg net/socket.c:2655 [inline]
__x64_sys_sendmsg+0x19b/0x260 net/socket.c:2655
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: 0033:0x7f6f4eb8e969
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:00007f6f4f9b2038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f6f4edb5fa0 RCX: 00007f6f4eb8e969
RDX: 0000000000008000 RSI: 0000200000000280 RDI: 0000000000000003
RBP: 00007f6f4ec10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6f4edb5fa0 R15: 00007f6f4eedfa28
=============================
[ BUG: Invalid wait context ]
6.15.0-rc3-syzkaller-00076-ge72e9e693307 #0 Tainted: G W
-----------------------------
syz.4.13646/2097 is trying to lock:
ffff88805588ad30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline]
ffff88805588ad30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline]
ffff88805588ad30 (&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.4.13646/2097:
#0: ffffffff8f9fbdd0 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#0: ffffffff8f9fbdd0 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#0: ffffffff8f9fbdd0 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x23/0x250 net/core/rtnetlink.c:570
#1: ffffffff8f4f7808 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline]
#1: ffffffff8f4f7808 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline]
#1: ffffffff8f4f7808 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x8db/0x1c70 net/core/rtnetlink.c:4064
#2: ffffffff8e13b860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#2: ffffffff8e13b860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#2: ffffffff8e13b860 (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: 2097 Comm: syz.4.13646 Tainted: G W 6.15.0-rc3-syzkaller-00076-ge72e9e693307 #0 PREEMPT(full)
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
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
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
macsec_dev_change_rx_flags+0xd8/0x180 drivers/net/macsec.c:3693
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
do_set_master+0x530/0x6d0 net/core/rtnetlink.c:2946
rtnl_newlink_create+0x654/0xaf0 net/core/rtnetlink.c:3847
__rtnl_newlink net/core/rtnetlink.c:3950 [inline]
rtnl_newlink+0x16d6/0x1c70 net/core/rtnetlink.c:4065
rtnetlink_rcv_msg+0x7cc/0xb70 net/core/rtnetlink.c:6955
netlink_rcv_skb+0x219/0x490 net/netlink/af_netlink.c:2534
netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
netlink_unicast+0x758/0x8d0 net/netlink/af_netlink.c:1339
netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg+0x219/0x270 net/socket.c:727
____sys_sendmsg+0x505/0x830 net/socket.c:2566
___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620
__sys_sendmsg net/socket.c:2652 [inline]
__do_sys_sendmsg net/socket.c:2657 [inline]
__se_sys_sendmsg net/socket.c:2655 [inline]
__x64_sys_sendmsg+0x19b/0x260 net/socket.c:2655
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: 0033:0x7f6f4eb8e969
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:00007f6f4f9b2038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f6f4edb5fa0 RCX: 00007f6f4eb8e969
RDX: 0000000000008000 RSI: 0000200000000280 RDI: 0000000000000003
RBP: 00007f6f4ec10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6f4edb5fa0 R15: 00007f6f4eedfa28
dummy0: entered allmulticast mode
bridge6: entered allmulticast mode