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: 6989, name: syz.3.259
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
3 locks held by syz.3.259/6989:
#0: ffffffff8f86d040 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#0: ffffffff8f86d040 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#0: ffffffff8f86d040 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x22/0x250 net/core/rtnetlink.c:570
#1: ffffffff900fd848 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline]
#1: ffffffff900fd848 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline]
#1: ffffffff900fd848 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xd68/0x1fe0 net/core/rtnetlink.c:4064
#2: ffffffff8ed3df20 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#2: ffffffff8ed3df20 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#2: ffffffff8ed3df20 (rcu_read_lock){....}-{1:3}, at: team_change_rx_flags+0x29/0x330 drivers/net/team/team_core.c:1781
CPU: 0 UID: 0 PID: 6989 Comm: syz.3.259 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+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:9145 [inline]
netif_set_allmulti+0x20e/0x380 net/core/dev.c:9247
dev_set_allmulti+0x143/0x270 net/core/dev_api.c:289
macvlan_change_rx_flags+0xdb/0x220 drivers/net/macvlan.c:784
dev_change_rx_flags net/core/dev.c:9145 [inline]
netif_set_allmulti+0x20e/0x380 net/core/dev.c:9247
__dev_change_flags+0x57b/0x700 net/core/dev.c:9388
rtnl_configure_link net/core/rtnetlink.c:3588 [inline]
rtnl_newlink_create+0x63f/0xcb0 net/core/rtnetlink.c:3843
__rtnl_newlink net/core/rtnetlink.c:3950 [inline]
rtnl_newlink+0x18b0/0x1fe0 net/core/rtnetlink.c:4065
rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6955
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+0xf3/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f693338e969
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:00007f6934148038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f69335b5fa0 RCX: 00007f693338e969
RDX: 000000000000c010 RSI: 00002000000002c0 RDI: 000000000000000f
RBP: 00007f6933410ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f69335b5fa0 R15: 00007f69336dfa28
=============================
[ BUG: Invalid wait context ]
6.15.0-rc3-syzkaller-00032-ga79be02bba5c #0 Tainted: G W
-----------------------------
syz.3.259/6989 is trying to lock:
ffff88806c7ced30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline]
ffff88806c7ced30 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline]
ffff88806c7ced30 (&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}
3 locks held by syz.3.259/6989:
#0: ffffffff8f86d040 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#0: ffffffff8f86d040 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#0: ffffffff8f86d040 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x22/0x250 net/core/rtnetlink.c:570
#1: ffffffff900fd848
(rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline]
(rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline]
(rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xd68/0x1fe0 net/core/rtnetlink.c:4064
#2: ffffffff8ed3df20 (rcu_read_lock
){....}-{1:3}
, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
, at: team_change_rx_flags+0x29/0x330 drivers/net/team/team_core.c:1781
stack backtrace:
CPU: 1 UID: 0 PID: 6989 Comm: syz.3.259 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+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:9145 [inline]
netif_set_allmulti+0x20e/0x380 net/core/dev.c:9247
dev_set_allmulti+0x143/0x270 net/core/dev_api.c:289
macvlan_change_rx_flags+0xdb/0x220 drivers/net/macvlan.c:784
dev_change_rx_flags net/core/dev.c:9145 [inline]
netif_set_allmulti+0x20e/0x380 net/core/dev.c:9247
__dev_change_flags+0x57b/0x700 net/core/dev.c:9388
rtnl_configure_link net/core/rtnetlink.c:3588 [inline]
rtnl_newlink_create+0x63f/0xcb0 net/core/rtnetlink.c:3843
__rtnl_newlink net/core/rtnetlink.c:3950 [inline]
rtnl_newlink+0x18b0/0x1fe0 net/core/rtnetlink.c:4065
rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6955
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+0xf3/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f693338e969
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:00007f6934148038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f69335b5fa0 RCX: 00007f693338e969
RDX: 000000000000c010 RSI: 00002000000002c0 RDI: 000000000000000f
RBP: 00007f6933410ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f69335b5fa0 R15: 00007f69336dfa28
dummy0: entered allmulticast mode
8021q: adding VLAN 0 to HW filter on device macvlan2
team0: left allmulticast mode
team_slave_0: left allmulticast mode
team_slave_1: left 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: 6989, name: syz.3.259
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
INFO: lockdep is turned off.
CPU: 1 UID: 0 PID: 6989 Comm: syz.3.259 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+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:9145 [inline]
netif_set_allmulti+0x20e/0x380 net/core/dev.c:9247
dev_set_allmulti+0x143/0x270 net/core/dev_api.c:289
macvlan_stop+0x20f/0x420 drivers/net/macvlan.c:704
__dev_close_many+0x3d7/0x760 net/core/dev.c:1702
dev_close_many+0x250/0x4c0 net/core/dev.c:1727
unregister_netdevice_many_notify+0x87f/0x2640 net/core/dev.c:11952
rtnl_newlink_create+0x951/0xcb0 net/core/rtnetlink.c:3861
__rtnl_newlink net/core/rtnetlink.c:3950 [inline]
rtnl_newlink+0x18b0/0x1fe0 net/core/rtnetlink.c:4065
rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6955
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+0xf3/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f693338e969
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:00007f6934148038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f69335b5fa0 RCX: 00007f693338e969
RDX: 000000000000c010 RSI: 00002000000002c0 RDI: 000000000000000f
RBP: 00007f6933410ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f69335b5fa0 R15: 00007f69336dfa28
dummy0: left allmulticast mode
team_slave_0: left promiscuous mode
team_slave_1: left promiscuous mode
dummy0: left promiscuous mode