loop0: detected capacity change from 0 to 4096 ntfs3: Unknown parameter '' netlink: 'syz.0.0': attribute type 21 has an invalid length. netlink: 156 bytes leftover after parsing attributes in process `syz.0.0'. netlink: 'syz.0.0': attribute type 10 has an invalid length. team0: Port device netdevsim0 added vlan2: entered promiscuous mode team0: entered promiscuous mode team_slave_0: entered promiscuous mode team_slave_1: entered promiscuous mode netdevsim netdevsim0 netdevsim0: entered promiscuous mode vlan2: entered allmulticast mode 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:564 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 5323, name: syz.0.0 preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 3 locks held by syz.0.0/5323: #0: ffffffff90617310 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff90617310 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #0: ffffffff90617310 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x22/0x250 net/core/rtnetlink.c:570 #1: ffffffff900f7cc8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #1: ffffffff900f7cc8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline] #1: ffffffff900f7cc8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xd68/0x1fe0 net/core/rtnetlink.c:4061 #2: ffffffff8ed3b560 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #2: ffffffff8ed3b560 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #2: ffffffff8ed3b560 (rcu_read_lock){....}-{1:3}, at: team_change_rx_flags+0x29/0x330 drivers/net/team/team_core.c:1781 CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-11270-g08733088b566 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 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:564 [inline] __mutex_lock+0x12c/0x10c0 kernel/locking/mutex.c:732 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:294 team_change_rx_flags+0x1a8/0x330 drivers/net/team/team_core.c:1789 dev_change_rx_flags net/core/dev.c:9149 [inline] netif_set_allmulti+0x20e/0x380 net/core/dev.c:9251 dev_set_allmulti+0x143/0x270 net/core/dev_api.c:295 vlan_dev_change_rx_flags+0xa9/0x160 net/8021q/vlan_dev.c:472 dev_change_rx_flags net/core/dev.c:9149 [inline] netif_set_allmulti+0x20e/0x380 net/core/dev.c:9251 __dev_change_flags+0x57b/0x700 net/core/dev.c:9392 rtnl_configure_link net/core/rtnetlink.c:3585 [inline] rtnl_newlink_create+0x63f/0xcb0 net/core/rtnetlink.c:3840 __rtnl_newlink net/core/rtnetlink.c:3947 [inline] rtnl_newlink+0x18b0/0x1fe0 net/core/rtnetlink.c:4062 rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6952 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: 0033:0x7f6063f8d169 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:00007f6064d55038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f60641a5fa0 RCX: 00007f6063f8d169 RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000005 RBP: 00007f606400e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f60641a5fa0 R15: 00007ffc51e6db68 ============================= [ BUG: Invalid wait context ] 6.14.0-syzkaller-11270-g08733088b566 #0 Tainted: G W ----------------------------- syz.0.0/5323 is trying to lock: ffff888043bf4d30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline] ffff888043bf4d30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline] ffff888043bf4d30 (&dev->lock){+.+.}-{4:4}, at: dev_set_allmulti+0x11c/0x270 net/core/dev_api.c:294 other info that might help us debug this: context-{5:5} 3 locks held by syz.0.0/5323: #0: ffffffff90617310 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff90617310 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #0: ffffffff90617310 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x22/0x250 net/core/rtnetlink.c:570 #1: ffffffff900f7cc8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #1: ffffffff900f7cc8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline] #1: ffffffff900f7cc8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xd68/0x1fe0 net/core/rtnetlink.c:4061 #2: ffffffff8ed3b560 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #2: ffffffff8ed3b560 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #2: ffffffff8ed3b560 (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: 5323 Comm: syz.0.0 Tainted: G W 6.14.0-syzkaller-11270-g08733088b566 #0 PREEMPT(full) Tainted: [W]=WARN Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 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:587 [inline] __mutex_lock+0x1a5/0x10c0 kernel/locking/mutex.c:732 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:294 team_change_rx_flags+0x1a8/0x330 drivers/net/team/team_core.c:1789 dev_change_rx_flags net/core/dev.c:9149 [inline] netif_set_allmulti+0x20e/0x380 net/core/dev.c:9251 dev_set_allmulti+0x143/0x270 net/core/dev_api.c:295 vlan_dev_change_rx_flags+0xa9/0x160 net/8021q/vlan_dev.c:472 dev_change_rx_flags net/core/dev.c:9149 [inline] netif_set_allmulti+0x20e/0x380 net/core/dev.c:9251 __dev_change_flags+0x57b/0x700 net/core/dev.c:9392 rtnl_configure_link net/core/rtnetlink.c:3585 [inline] rtnl_newlink_create+0x63f/0xcb0 net/core/rtnetlink.c:3840 __rtnl_newlink net/core/rtnetlink.c:3947 [inline] rtnl_newlink+0x18b0/0x1fe0 net/core/rtnetlink.c:4062 rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6952 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: 0033:0x7f6063f8d169 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:00007f6064d55038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f60641a5fa0 RCX: 00007f6063f8d169 RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000005 RBP: 00007f606400e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f60641a5fa0 R15: 00007ffc51e6db68 netdevsim netdevsim0 netdevsim0: entered allmulticast mode bond0: (slave vlan2): Enslaving as an active interface with an up link