device macsec0 entered promiscuous mode ===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected 5.9.0-rc3-syzkaller #0 Not tainted ----------------------------------------------------- syz-executor.1/16766 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: ffff8880970c20f0 (&net->nsid_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline] ffff8880970c20f0 (&net->nsid_lock){+.+.}-{2:2}, at: peernet2id_alloc+0xd0/0x430 net/core/net_namespace.c:254 and this task is already holding: ffff888059d64280 (&macsec_netdev_addr_lock_key){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:359 [inline] ffff888059d64280 (&macsec_netdev_addr_lock_key){+...}-{2:2}, at: netif_addr_lock_bh include/linux/netdevice.h:4291 [inline] ffff888059d64280 (&macsec_netdev_addr_lock_key){+...}-{2:2}, at: dev_uc_add+0x1f/0xb0 net/core/dev_addr_lists.c:588 which would create a new lock dependency: (&macsec_netdev_addr_lock_key){+...}-{2:2} -> (&net->nsid_lock){+.+.}-{2:2} but this new dependency connects a SOFTIRQ-irq-safe lock: (&mc->mca_lock){+.-.}-{2:2} ... which became SOFTIRQ-irq-safe at: lock_acquire+0x1f3/0xae0 kernel/locking/lockdep.c:5006 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:175 spin_lock_bh include/linux/spinlock.h:359 [inline] mld_send_cr net/ipv6/mcast.c:1950 [inline] mld_ifc_timer_expire+0x497/0xf10 net/ipv6/mcast.c:2474 call_timer_fn+0x1ac/0x760 kernel/time/timer.c:1413 expire_timers kernel/time/timer.c:1458 [inline] __run_timers.part.0+0x67c/0xaa0 kernel/time/timer.c:1755 __run_timers kernel/time/timer.c:1736 [inline] run_timer_softirq+0xae/0x1a0 kernel/time/timer.c:1768 __do_softirq+0x1f7/0xa91 kernel/softirq.c:298 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] do_softirq_own_stack+0x9d/0xd0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x235/0x280 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x51/0xf0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581 arch_local_irq_restore arch/x86/include/asm/paravirt.h:770 [inline] __call_rcu kernel/rcu/tree.c:2927 [inline] call_rcu+0x3ac/0x7b0 kernel/rcu/tree.c:2968 security_inode_free+0x9a/0xc0 security/security.c:1003 __destroy_inode+0x22d/0x6a0 fs/inode.c:257 destroy_inode+0x91/0x1b0 fs/inode.c:280 iput_final fs/inode.c:1652 [inline] iput.part.0+0x424/0x850 fs/inode.c:1678 iput+0x58/0x70 fs/inode.c:1668 dentry_unlink_inode+0x2b1/0x3d0 fs/dcache.c:374 __dentry_kill+0x3c0/0x640 fs/dcache.c:579 dentry_kill fs/dcache.c:705 [inline] dput+0x725/0xbc0 fs/dcache.c:878 __fput+0x3ab/0x920 fs/file_table.c:294 task_work_run+0xdd/0x190 kernel/task_work.c:141 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:140 [inline] exit_to_user_mode_prepare+0x1e1/0x200 kernel/entry/common.c:167 syscall_exit_to_user_mode+0x7e/0x2e0 kernel/entry/common.c:242 entry_SYSCALL_64_after_hwframe+0x44/0xa9 to a SOFTIRQ-irq-unsafe lock: (&net->nsid_lock){+.+.}-{2:2} ... which became SOFTIRQ-irq-unsafe at: ... lock_acquire+0x1f3/0xae0 kernel/locking/lockdep.c:5006 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:354 [inline] unhash_nsid net/core/net_namespace.c:537 [inline] cleanup_net+0x2ab/0xa00 net/core/net_namespace.c:585 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x3b5/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 other info that might help us debug this: Chain exists of: &mc->mca_lock --> &macsec_netdev_addr_lock_key --> &net->nsid_lock Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&net->nsid_lock); local_irq_disable(); lock(&mc->mca_lock); lock(&macsec_netdev_addr_lock_key); lock(&mc->mca_lock); *** DEADLOCK *** 2 locks held by syz-executor.1/16766: #0: ffffffff8a7ecec8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline] #0: ffffffff8a7ecec8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3f9/0xad0 net/core/rtnetlink.c:5560 #1: ffff888059d64280 (&macsec_netdev_addr_lock_key){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:359 [inline] #1: ffff888059d64280 (&macsec_netdev_addr_lock_key){+...}-{2:2}, at: netif_addr_lock_bh include/linux/netdevice.h:4291 [inline] #1: ffff888059d64280 (&macsec_netdev_addr_lock_key){+...}-{2:2}, at: dev_uc_add+0x1f/0xb0 net/core/dev_addr_lists.c:588 the dependencies between SOFTIRQ-irq-safe lock and the holding lock: -> (&mc->mca_lock){+.-.}-{2:2} { HARDIRQ-ON-W at: lock_acquire+0x1f3/0xae0 kernel/locking/lockdep.c:5006 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:175 spin_lock_bh include/linux/spinlock.h:359 [inline] mld_del_delrec+0x493/0x720 net/ipv6/mcast.c:783 __ipv6_dev_mc_inc+0x809/0xca0 net/ipv6/mcast.c:927 ipv6_add_dev+0x969/0x1060 net/ipv6/addrconf.c:453 addrconf_init+0xd3/0x39a net/ipv6/addrconf.c:7129 inet6_init+0x368/0x705 net/ipv6/af_inet6.c:1138 do_one_initcall+0x10a/0x7a4 init/main.c:1204 do_initcall_level init/main.c:1277 [inline] do_initcalls init/main.c:1293 [inline] do_basic_setup init/main.c:1313 [inline] kernel_init_freeable+0x5e9/0x66d init/main.c:1512 kernel_init+0xd/0x1c0 init/main.c:1402 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 IN-SOFTIRQ-W at: lock_acquire+0x1f3/0xae0 kernel/locking/lockdep.c:5006 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:175 spin_lock_bh include/linux/spinlock.h:359 [inline] mld_send_cr net/ipv6/mcast.c:1950 [inline] mld_ifc_timer_expire+0x497/0xf10 net/ipv6/mcast.c:2474 call_timer_fn+0x1ac/0x760 kernel/time/timer.c:1413 expire_timers kernel/time/timer.c:1458 [inline] __run_timers.part.0+0x67c/0xaa0 kernel/time/timer.c:1755 __run_timers kernel/time/timer.c:1736 [inline] run_timer_softirq+0xae/0x1a0 kernel/time/timer.c:1768 __do_softirq+0x1f7/0xa91 kernel/softirq.c:298 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] do_softirq_own_stack+0x9d/0xd0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x235/0x280 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x51/0xf0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581 arch_local_irq_restore arch/x86/include/asm/paravirt.h:770 [inline] __call_rcu kernel/rcu/tree.c:2927 [inline] call_rcu+0x3ac/0x7b0 kernel/rcu/tree.c:2968 security_inode_free+0x9a/0xc0 security/security.c:1003 __destroy_inode+0x22d/0x6a0 fs/inode.c:257 destroy_inode+0x91/0x1b0 fs/inode.c:280 iput_final fs/inode.c:1652 [inline] iput.part.0+0x424/0x850 fs/inode.c:1678 iput+0x58/0x70 fs/inode.c:1668 dentry_unlink_inode+0x2b1/0x3d0 fs/dcache.c:374 __dentry_kill+0x3c0/0x640 fs/dcache.c:579 dentry_kill fs/dcache.c:705 [inline] dput+0x725/0xbc0 fs/dcache.c:878 __fput+0x3ab/0x920 fs/file_table.c:294 task_work_run+0xdd/0x190 kernel/task_work.c:141 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:140 [inline] exit_to_user_mode_prepare+0x1e1/0x200 kernel/entry/common.c:167 syscall_exit_to_user_mode+0x7e/0x2e0 kernel/entry/common.c:242 entry_SYSCALL_64_after_hwframe+0x44/0xa9 INITIAL USE at: lock_acquire+0x1f3/0xae0 kernel/locking/lockdep.c:5006 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:175 spin_lock_bh include/linux/spinlock.h:359 [inline] mld_del_delrec+0x493/0x720 net/ipv6/mcast.c:783 __ipv6_dev_mc_inc+0x809/0xca0 net/ipv6/mcast.c:927 ipv6_add_dev+0x969/0x1060 net/ipv6/addrconf.c:453 addrconf_init+0xd3/0x39a net/ipv6/addrconf.c:7129 inet6_init+0x368/0x705 net/ipv6/af_inet6.c:1138 do_one_initcall+0x10a/0x7a4 init/main.c:1204 do_initcall_level init/main.c:1277 [inline] do_initcalls init/main.c:1293 [inline] do_basic_setup init/main.c:1313 [inline] kernel_init_freeable+0x5e9/0x66d init/main.c:1512 kernel_init+0xd/0x1c0 init/main.c:1402 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 } ... key at: [] __key.7+0x0/0x40 ... acquired at: __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:175 spin_lock_bh include/linux/spinlock.h:359 [inline] netif_addr_lock_bh include/linux/netdevice.h:4291 [inline] __dev_mc_add net/core/dev_addr_lists.c:774 [inline] dev_mc_add+0x1f/0xb0 net/core/dev_addr_lists.c:792 igmp6_group_added+0x4bc/0x5d0 net/ipv6/mcast.c:669 __ipv6_dev_mc_inc+0x811/0xca0 net/ipv6/mcast.c:928 addrconf_join_solict net/ipv6/addrconf.c:2167 [inline] addrconf_join_solict net/ipv6/addrconf.c:2159 [inline] addrconf_dad_begin net/ipv6/addrconf.c:3933 [inline] addrconf_dad_work+0xc92/0x1280 net/ipv6/addrconf.c:4060 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x3b5/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 -> (&macsec_netdev_addr_lock_key){+...}-{2:2} { HARDIRQ-ON-W at: lock_acquire+0x1f3/0xae0 kernel/locking/lockdep.c:5006 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:175 spin_lock_bh include/linux/spinlock.h:359 [inline] netif_addr_lock_bh include/linux/netdevice.h:4291 [inline] dev_set_rx_mode net/core/dev.c:8211 [inline] __dev_change_flags+0x18d/0x660 net/core/dev.c:8272 dev_change_flags+0x8a/0x160 net/core/dev.c:8356 do_setlink+0x88b/0x3a70 net/core/rtnetlink.c:2706 __rtnl_newlink+0xc1c/0x1740 net/core/rtnetlink.c:3374 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3500 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5563 netlink_rcv_skb+0x15a/0x430 net/netlink/af_netlink.c:2470 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:671 __sys_sendto+0x21c/0x320 net/socket.c:1992 __do_sys_sendto net/socket.c:2004 [inline] __se_sys_sendto net/socket.c:2000 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2000 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 INITIAL USE at: lock_acquire+0x1f3/0xae0 kernel/locking/lockdep.c:5006 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:175 spin_lock_bh include/linux/spinlock.h:359 [inline] netif_addr_lock_bh include/linux/netdevice.h:4291 [inline] dev_set_rx_mode net/core/dev.c:8211 [inline] __dev_change_flags+0x18d/0x660 net/core/dev.c:8272 dev_change_flags+0x8a/0x160 net/core/dev.c:8356 do_setlink+0x88b/0x3a70 net/core/rtnetlink.c:2706 __rtnl_newlink+0xc1c/0x1740 net/core/rtnetlink.c:3374 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3500 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5563 netlink_rcv_skb+0x15a/0x430 net/netlink/af_netlink.c:2470 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:671 __sys_sendto+0x21c/0x320 net/socket.c:1992 __do_sys_sendto net/socket.c:2004 [inline] __se_sys_sendto net/socket.c:2000 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2000 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 } ... key at: [] macsec_netdev_addr_lock_key+0x0/0x40 ... acquired at: lock_acquire+0x1f3/0xae0 kernel/locking/lockdep.c:5006 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:354 [inline] peernet2id_alloc+0xd0/0x430 net/core/net_namespace.c:254 rtnl_fill_link_netnsid net/core/rtnetlink.c:1581 [inline] rtnl_fill_ifinfo+0x1d14/0x3dc0 net/core/rtnetlink.c:1798 rtmsg_ifinfo_build_skb+0xcd/0x1a0 net/core/rtnetlink.c:3808 rtmsg_ifinfo_event net/core/rtnetlink.c:3840 [inline] rtmsg_ifinfo_event net/core/rtnetlink.c:3831 [inline] rtmsg_ifinfo+0x83/0x120 net/core/rtnetlink.c:3849 __dev_notify_flags+0x226/0x2b0 net/core/dev.c:8319 __dev_set_promiscuity+0x197/0x210 net/core/dev.c:8095 dev_set_promiscuity+0x4f/0x100 net/core/dev.c:8115 macsec_dev_change_rx_flags+0x13b/0x170 drivers/net/macsec.c:3582 dev_change_rx_flags net/core/dev.c:8048 [inline] __dev_set_promiscuity.cold+0x2f1/0x35f net/core/dev.c:8092 __dev_set_rx_mode+0x21f/0x300 net/core/dev.c:8197 dev_uc_add+0xa1/0xb0 net/core/dev_addr_lists.c:592 macvlan_open+0x541/0x8b0 drivers/net/macvlan.c:631 __dev_open+0x2bc/0x470 net/core/dev.c:1521 __dev_change_flags+0x505/0x660 net/core/dev.c:8285 rtnl_configure_link+0xee/0x230 net/core/rtnetlink.c:3123 __rtnl_newlink+0x10b6/0x1740 net/core/rtnetlink.c:3460 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3500 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5563 netlink_rcv_skb+0x15a/0x430 net/netlink/af_netlink.c:2470 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:671 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2353 ___sys_sendmsg+0xf3/0x170 net/socket.c:2407 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2440 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock: -> (&net->nsid_lock){+.+.}-{2:2} { HARDIRQ-ON-W at: lock_acquire+0x1f3/0xae0 kernel/locking/lockdep.c:5006 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:354 [inline] unhash_nsid net/core/net_namespace.c:537 [inline] cleanup_net+0x2ab/0xa00 net/core/net_namespace.c:585 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x3b5/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 SOFTIRQ-ON-W at: lock_acquire+0x1f3/0xae0 kernel/locking/lockdep.c:5006 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:354 [inline] unhash_nsid net/core/net_namespace.c:537 [inline] cleanup_net+0x2ab/0xa00 net/core/net_namespace.c:585 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x3b5/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 INITIAL USE at: lock_acquire+0x1f3/0xae0 kernel/locking/lockdep.c:5006 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:354 [inline] unhash_nsid net/core/net_namespace.c:537 [inline] cleanup_net+0x2ab/0xa00 net/core/net_namespace.c:585 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x3b5/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 } ... key at: [] __key.15+0x0/0x40 ... acquired at: lock_acquire+0x1f3/0xae0 kernel/locking/lockdep.c:5006 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:354 [inline] peernet2id_alloc+0xd0/0x430 net/core/net_namespace.c:254 rtnl_fill_link_netnsid net/core/rtnetlink.c:1581 [inline] rtnl_fill_ifinfo+0x1d14/0x3dc0 net/core/rtnetlink.c:1798 rtmsg_ifinfo_build_skb+0xcd/0x1a0 net/core/rtnetlink.c:3808 rtmsg_ifinfo_event net/core/rtnetlink.c:3840 [inline] rtmsg_ifinfo_event net/core/rtnetlink.c:3831 [inline] rtmsg_ifinfo+0x83/0x120 net/core/rtnetlink.c:3849 __dev_notify_flags+0x226/0x2b0 net/core/dev.c:8319 __dev_set_promiscuity+0x197/0x210 net/core/dev.c:8095 dev_set_promiscuity+0x4f/0x100 net/core/dev.c:8115 macsec_dev_change_rx_flags+0x13b/0x170 drivers/net/macsec.c:3582 dev_change_rx_flags net/core/dev.c:8048 [inline] __dev_set_promiscuity.cold+0x2f1/0x35f net/core/dev.c:8092 __dev_set_rx_mode+0x21f/0x300 net/core/dev.c:8197 dev_uc_add+0xa1/0xb0 net/core/dev_addr_lists.c:592 macvlan_open+0x541/0x8b0 drivers/net/macvlan.c:631 __dev_open+0x2bc/0x470 net/core/dev.c:1521 __dev_change_flags+0x505/0x660 net/core/dev.c:8285 rtnl_configure_link+0xee/0x230 net/core/rtnetlink.c:3123 __rtnl_newlink+0x10b6/0x1740 net/core/rtnetlink.c:3460 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3500 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5563 netlink_rcv_skb+0x15a/0x430 net/netlink/af_netlink.c:2470 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:671 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2353 ___sys_sendmsg+0xf3/0x170 net/socket.c:2407 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2440 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 stack backtrace: CPU: 1 PID: 16766 Comm: syz-executor.1 Not tainted 5.9.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x198/0x1fd lib/dump_stack.c:118 print_bad_irq_dependency kernel/locking/lockdep.c:2113 [inline] check_irq_usage.cold+0x4a5/0x5a1 kernel/locking/lockdep.c:2311 check_prev_add kernel/locking/lockdep.c:2500 [inline] check_prevs_add kernel/locking/lockdep.c:2601 [inline] validate_chain kernel/locking/lockdep.c:3218 [inline] __lock_acquire+0x29d1/0x5570 kernel/locking/lockdep.c:4426 lock_acquire+0x1f3/0xae0 kernel/locking/lockdep.c:5006 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:354 [inline] peernet2id_alloc+0xd0/0x430 net/core/net_namespace.c:254 rtnl_fill_link_netnsid net/core/rtnetlink.c:1581 [inline] rtnl_fill_ifinfo+0x1d14/0x3dc0 net/core/rtnetlink.c:1798 rtmsg_ifinfo_build_skb+0xcd/0x1a0 net/core/rtnetlink.c:3808 rtmsg_ifinfo_event net/core/rtnetlink.c:3840 [inline] rtmsg_ifinfo_event net/core/rtnetlink.c:3831 [inline] rtmsg_ifinfo+0x83/0x120 net/core/rtnetlink.c:3849 __dev_notify_flags+0x226/0x2b0 net/core/dev.c:8319 __dev_set_promiscuity+0x197/0x210 net/core/dev.c:8095 dev_set_promiscuity+0x4f/0x100 net/core/dev.c:8115 macsec_dev_change_rx_flags+0x13b/0x170 drivers/net/macsec.c:3582 dev_change_rx_flags net/core/dev.c:8048 [inline] __dev_set_promiscuity.cold+0x2f1/0x35f net/core/dev.c:8092 __dev_set_rx_mode+0x21f/0x300 net/core/dev.c:8197 dev_uc_add+0xa1/0xb0 net/core/dev_addr_lists.c:592 macvlan_open+0x541/0x8b0 drivers/net/macvlan.c:631 __dev_open+0x2bc/0x470 net/core/dev.c:1521 __dev_change_flags+0x505/0x660 net/core/dev.c:8285 rtnl_configure_link+0xee/0x230 net/core/rtnetlink.c:3123 __rtnl_newlink+0x10b6/0x1740 net/core/rtnetlink.c:3460 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3500 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5563 netlink_rcv_skb+0x15a/0x430 net/netlink/af_netlink.c:2470 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:671 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2353 ___sys_sendmsg+0xf3/0x170 net/socket.c:2407 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2440 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45d5b9 Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f88510d8c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000002ce80 RCX: 000000000045d5b9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffe49348cdf R14: 00007f88510d99c0 R15: 000000000118cf4c device macvtap1 entered promiscuous mode