bridge1: port 1(macsec0) entered blocking state bridge1: port 1(macsec0) entered disabled state device macsec0 entered promiscuous mode ===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected 5.6.0-rc5-syzkaller #0 Not tainted ----------------------------------------------------- syz-executor.1/11771 [HC0[0]:SC0[4]:HE1:SE0] is trying to acquire: ffff8880714700e8 (&(&net->nsid_lock)->rlock){+.+.}, at: spin_lock include/linux/spinlock.h:338 [inline] ffff8880714700e8 (&(&net->nsid_lock)->rlock){+.+.}, at: peernet2id_alloc+0xcd/0x3f0 net/core/net_namespace.c:240 and this task is already holding: ffff888060822280 (&dev->addr_list_lock_key#188){+...}, at: spin_lock_bh include/linux/spinlock.h:343 [inline] ffff888060822280 (&dev->addr_list_lock_key#188){+...}, at: netif_addr_lock_bh include/linux/netdevice.h:4163 [inline] ffff888060822280 (&dev->addr_list_lock_key#188){+...}, at: dev_uc_add+0x1f/0xb0 net/core/dev_addr_lists.c:588 which would create a new lock dependency: (&dev->addr_list_lock_key#188){+...} -> (&(&net->nsid_lock)->rlock){+.+.} but this new dependency connects a SOFTIRQ-irq-safe lock: (&(&mc->mca_lock)->rlock){+.-.} ... which became SOFTIRQ-irq-safe at: lock_acquire+0x197/0x420 kernel/locking/lockdep.c:4484 __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:343 [inline] mld_send_cr net/ipv6/mcast.c:1953 [inline] mld_ifc_timer_expire+0x2b5/0x920 net/ipv6/mcast.c:2477 call_timer_fn+0x195/0x760 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0x623/0x1600 kernel/time/timer.c:1786 __do_softirq+0x26c/0x99d kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x192/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:546 [inline] smp_apic_timer_interrupt+0x19e/0x600 arch/x86/kernel/apic/apic.c:1146 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 arch_local_irq_restore arch/x86/include/asm/paravirt.h:759 [inline] kmem_cache_free+0xa4/0x320 mm/slab.c:3695 putname+0xe1/0x120 fs/namei.c:259 filename_lookup+0x282/0x3e0 fs/namei.c:2475 user_path_at include/linux/namei.h:58 [inline] vfs_statx+0x119/0x1e0 fs/stat.c:197 vfs_stat include/linux/fs.h:3271 [inline] __do_sys_newstat+0x96/0x120 fs/stat.c:351 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe to a SOFTIRQ-irq-unsafe lock: (&(&net->nsid_lock)->rlock){+.+.} ... which became SOFTIRQ-irq-unsafe at: ... lock_acquire+0x197/0x420 kernel/locking/lockdep.c:4484 __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:338 [inline] peernet2id_alloc+0xcd/0x3f0 net/core/net_namespace.c:240 dev_change_net_namespace+0x2a6/0xd30 net/core/dev.c:10066 do_setlink+0x18b/0x35e0 net/core/rtnetlink.c:2501 __rtnl_newlink+0xad5/0x1590 net/core/rtnetlink.c:3252 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3377 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5440 netlink_rcv_skb+0x15a/0x410 net/netlink/af_netlink.c:2478 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x537/0x740 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x882/0xe10 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 ____sys_sendmsg+0x6b9/0x7d0 net/socket.c:2343 ___sys_sendmsg+0x100/0x170 net/socket.c:2397 __sys_sendmsg+0xec/0x1b0 net/socket.c:2430 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Chain exists of: &(&mc->mca_lock)->rlock --> &dev->addr_list_lock_key#188 --> &(&net->nsid_lock)->rlock Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&(&net->nsid_lock)->rlock); local_irq_disable(); lock(&(&mc->mca_lock)->rlock); lock(&dev->addr_list_lock_key#188); lock(&(&mc->mca_lock)->rlock); *** DEADLOCK *** 3 locks held by syz-executor.1/11771: #0: ffffffff8a34fbc0 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:72 [inline] #0: ffffffff8a34fbc0 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3f9/0xad0 net/core/rtnetlink.c:5437 #1: ffff8880607f4bd0 (&(&br->hash_lock)->rlock){+.-.}, at: spin_lock_bh include/linux/spinlock.h:343 [inline] #1: ffff8880607f4bd0 (&(&br->hash_lock)->rlock){+.-.}, at: br_fdb_insert+0x24/0x50 net/bridge/br_fdb.c:553 #2: ffff888060822280 (&dev->addr_list_lock_key#188){+...}, at: spin_lock_bh include/linux/spinlock.h:343 [inline] #2: ffff888060822280 (&dev->addr_list_lock_key#188){+...}, at: netif_addr_lock_bh include/linux/netdevice.h:4163 [inline] #2: ffff888060822280 (&dev->addr_list_lock_key#188){+...}, 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)->rlock){+.-.} { HARDIRQ-ON-W at: lock_acquire+0x197/0x420 kernel/locking/lockdep.c:4484 __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:343 [inline] mld_del_delrec+0x344/0x570 net/ipv6/mcast.c:786 __ipv6_dev_mc_inc+0x80c/0xc90 net/ipv6/mcast.c:930 ipv6_add_dev net/ipv6/addrconf.c:453 [inline] ipv6_add_dev+0xa2e/0x10b0 net/ipv6/addrconf.c:363 addrconf_init+0xd3/0x39a net/ipv6/addrconf.c:7067 inet6_init+0x368/0x6dc net/ipv6/af_inet6.c:1071 do_one_initcall+0x10a/0x7d0 init/main.c:1152 do_initcall_level init/main.c:1225 [inline] do_initcalls init/main.c:1241 [inline] do_basic_setup init/main.c:1261 [inline] kernel_init_freeable+0x501/0x5ae init/main.c:1445 kernel_init+0xd/0x1bb init/main.c:1352 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 IN-SOFTIRQ-W at: lock_acquire+0x197/0x420 kernel/locking/lockdep.c:4484 __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:343 [inline] mld_send_cr net/ipv6/mcast.c:1953 [inline] mld_ifc_timer_expire+0x2b5/0x920 net/ipv6/mcast.c:2477 call_timer_fn+0x195/0x760 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0x623/0x1600 kernel/time/timer.c:1786 __do_softirq+0x26c/0x99d kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x192/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:546 [inline] smp_apic_timer_interrupt+0x19e/0x600 arch/x86/kernel/apic/apic.c:1146 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 arch_local_irq_restore arch/x86/include/asm/paravirt.h:759 [inline] kmem_cache_free+0xa4/0x320 mm/slab.c:3695 putname+0xe1/0x120 fs/namei.c:259 filename_lookup+0x282/0x3e0 fs/namei.c:2475 user_path_at include/linux/namei.h:58 [inline] vfs_statx+0x119/0x1e0 fs/stat.c:197 vfs_stat include/linux/fs.h:3271 [inline] __do_sys_newstat+0x96/0x120 fs/stat.c:351 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe INITIAL USE at: lock_acquire+0x197/0x420 kernel/locking/lockdep.c:4484 __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:343 [inline] mld_del_delrec+0x344/0x570 net/ipv6/mcast.c:786 __ipv6_dev_mc_inc+0x80c/0xc90 net/ipv6/mcast.c:930 ipv6_add_dev net/ipv6/addrconf.c:453 [inline] ipv6_add_dev+0xa2e/0x10b0 net/ipv6/addrconf.c:363 addrconf_init+0xd3/0x39a net/ipv6/addrconf.c:7067 inet6_init+0x368/0x6dc net/ipv6/af_inet6.c:1071 do_one_initcall+0x10a/0x7d0 init/main.c:1152 do_initcall_level init/main.c:1225 [inline] do_initcalls init/main.c:1241 [inline] do_basic_setup init/main.c:1261 [inline] kernel_init_freeable+0x501/0x5ae init/main.c:1445 kernel_init+0xd/0x1bb init/main.c:1352 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 } ... key at: [] __key.78637+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:343 [inline] netif_addr_lock_bh include/linux/netdevice.h:4163 [inline] __dev_mc_add+0x28/0xd0 net/core/dev_addr_lists.c:765 igmp6_group_added+0x375/0x420 net/ipv6/mcast.c:672 __ipv6_dev_mc_inc+0x814/0xc90 net/ipv6/mcast.c:931 ipv6_add_dev net/ipv6/addrconf.c:456 [inline] ipv6_add_dev+0xa3d/0x10b0 net/ipv6/addrconf.c:363 addrconf_notify+0x960/0x2310 net/ipv6/addrconf.c:3497 notifier_call_chain+0xc0/0x230 kernel/notifier.c:83 call_netdevice_notifiers_info net/core/dev.c:1948 [inline] call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1933 call_netdevice_notifiers_extack net/core/dev.c:1960 [inline] call_netdevice_notifiers net/core/dev.c:1974 [inline] register_netdevice+0x69f/0xfc0 net/core/dev.c:9401 macsec_newlink+0x2d4/0x1070 drivers/net/macsec.c:3875 __rtnl_newlink+0xf18/0x1590 net/core/rtnetlink.c:3319 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3377 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5440 netlink_rcv_skb+0x15a/0x410 net/netlink/af_netlink.c:2478 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x537/0x740 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x882/0xe10 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 __sys_sendto+0x21a/0x330 net/socket.c:1998 __do_sys_sendto net/socket.c:2010 [inline] __se_sys_sendto net/socket.c:2006 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2006 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> (&dev->addr_list_lock_key#188){+...} { HARDIRQ-ON-W at: lock_acquire+0x197/0x420 kernel/locking/lockdep.c:4484 __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:343 [inline] netif_addr_lock_bh include/linux/netdevice.h:4163 [inline] __dev_mc_add+0x28/0xd0 net/core/dev_addr_lists.c:765 igmp6_group_added+0x375/0x420 net/ipv6/mcast.c:672 __ipv6_dev_mc_inc+0x814/0xc90 net/ipv6/mcast.c:931 ipv6_add_dev net/ipv6/addrconf.c:456 [inline] ipv6_add_dev+0xa3d/0x10b0 net/ipv6/addrconf.c:363 addrconf_notify+0x960/0x2310 net/ipv6/addrconf.c:3497 notifier_call_chain+0xc0/0x230 kernel/notifier.c:83 call_netdevice_notifiers_info net/core/dev.c:1948 [inline] call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1933 call_netdevice_notifiers_extack net/core/dev.c:1960 [inline] call_netdevice_notifiers net/core/dev.c:1974 [inline] register_netdevice+0x69f/0xfc0 net/core/dev.c:9401 macsec_newlink+0x2d4/0x1070 drivers/net/macsec.c:3875 __rtnl_newlink+0xf18/0x1590 net/core/rtnetlink.c:3319 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3377 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5440 netlink_rcv_skb+0x15a/0x410 net/netlink/af_netlink.c:2478 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x537/0x740 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x882/0xe10 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 __sys_sendto+0x21a/0x330 net/socket.c:1998 __do_sys_sendto net/socket.c:2010 [inline] __se_sys_sendto net/socket.c:2006 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2006 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe INITIAL USE at: lock_acquire+0x197/0x420 kernel/locking/lockdep.c:4484 __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:343 [inline] netif_addr_lock_bh include/linux/netdevice.h:4163 [inline] __dev_mc_add+0x28/0xd0 net/core/dev_addr_lists.c:765 igmp6_group_added+0x375/0x420 net/ipv6/mcast.c:672 __ipv6_dev_mc_inc+0x814/0xc90 net/ipv6/mcast.c:931 ipv6_add_dev net/ipv6/addrconf.c:456 [inline] ipv6_add_dev+0xa3d/0x10b0 net/ipv6/addrconf.c:363 addrconf_notify+0x960/0x2310 net/ipv6/addrconf.c:3497 notifier_call_chain+0xc0/0x230 kernel/notifier.c:83 call_netdevice_notifiers_info net/core/dev.c:1948 [inline] call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1933 call_netdevice_notifiers_extack net/core/dev.c:1960 [inline] call_netdevice_notifiers net/core/dev.c:1974 [inline] register_netdevice+0x69f/0xfc0 net/core/dev.c:9401 macsec_newlink+0x2d4/0x1070 drivers/net/macsec.c:3875 __rtnl_newlink+0xf18/0x1590 net/core/rtnetlink.c:3319 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3377 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5440 netlink_rcv_skb+0x15a/0x410 net/netlink/af_netlink.c:2478 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x537/0x740 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x882/0xe10 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 __sys_sendto+0x21a/0x330 net/socket.c:1998 __do_sys_sendto net/socket.c:2010 [inline] __se_sys_sendto net/socket.c:2006 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2006 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] 0xffff888060822b48 ... acquired at: lock_acquire+0x197/0x420 kernel/locking/lockdep.c:4484 __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:338 [inline] peernet2id_alloc+0xcd/0x3f0 net/core/net_namespace.c:240 rtnl_fill_link_netnsid net/core/rtnetlink.c:1565 [inline] rtnl_fill_ifinfo+0x1e7c/0x39b0 net/core/rtnetlink.c:1751 rtmsg_ifinfo_build_skb+0xcd/0x1a0 net/core/rtnetlink.c:3685 rtmsg_ifinfo_event.part.0+0x49/0xe0 net/core/rtnetlink.c:3717 rtmsg_ifinfo_event net/core/rtnetlink.c:3728 [inline] rtmsg_ifinfo+0x7f/0xa0 net/core/rtnetlink.c:3726 __dev_notify_flags+0x235/0x2c0 net/core/dev.c:8177 __dev_set_promiscuity+0x191/0x210 net/core/dev.c:7953 dev_set_promiscuity+0x4f/0xe0 net/core/dev.c:7973 macsec_dev_change_rx_flags+0x13b/0x170 drivers/net/macsec.c:3423 dev_change_rx_flags net/core/dev.c:7906 [inline] __dev_set_promiscuity.cold+0x2e3/0x340 net/core/dev.c:7950 __dev_set_rx_mode+0x21f/0x300 net/core/dev.c:8055 dev_uc_add+0xa1/0xb0 net/core/dev_addr_lists.c:592 fdb_add_hw_addr+0xf3/0x280 net/bridge/br_fdb.c:165 fdb_insert+0x173/0x1c0 net/bridge/br_fdb.c:542 br_fdb_insert+0x35/0x50 net/bridge/br_fdb.c:554 br_add_if+0xca2/0x1800 net/bridge/br_if.c:648 do_set_master net/core/rtnetlink.c:2468 [inline] do_set_master+0x1d7/0x230 net/core/rtnetlink.c:2441 do_setlink+0xaa2/0x35e0 net/core/rtnetlink.c:2603 __rtnl_newlink+0xad5/0x1590 net/core/rtnetlink.c:3252 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3377 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5440 netlink_rcv_skb+0x15a/0x410 net/netlink/af_netlink.c:2478 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x537/0x740 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x882/0xe10 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 ____sys_sendmsg+0x6b9/0x7d0 net/socket.c:2343 ___sys_sendmsg+0x100/0x170 net/socket.c:2397 __sys_sendmsg+0xec/0x1b0 net/socket.c:2430 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock: -> (&(&net->nsid_lock)->rlock){+.+.} { HARDIRQ-ON-W at: lock_acquire+0x197/0x420 kernel/locking/lockdep.c:4484 __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:338 [inline] peernet2id_alloc+0xcd/0x3f0 net/core/net_namespace.c:240 dev_change_net_namespace+0x2a6/0xd30 net/core/dev.c:10066 do_setlink+0x18b/0x35e0 net/core/rtnetlink.c:2501 __rtnl_newlink+0xad5/0x1590 net/core/rtnetlink.c:3252 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3377 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5440 netlink_rcv_skb+0x15a/0x410 net/netlink/af_netlink.c:2478 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x537/0x740 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x882/0xe10 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 ____sys_sendmsg+0x6b9/0x7d0 net/socket.c:2343 ___sys_sendmsg+0x100/0x170 net/socket.c:2397 __sys_sendmsg+0xec/0x1b0 net/socket.c:2430 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe SOFTIRQ-ON-W at: lock_acquire+0x197/0x420 kernel/locking/lockdep.c:4484 __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:338 [inline] peernet2id_alloc+0xcd/0x3f0 net/core/net_namespace.c:240 dev_change_net_namespace+0x2a6/0xd30 net/core/dev.c:10066 do_setlink+0x18b/0x35e0 net/core/rtnetlink.c:2501 __rtnl_newlink+0xad5/0x1590 net/core/rtnetlink.c:3252 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3377 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5440 netlink_rcv_skb+0x15a/0x410 net/netlink/af_netlink.c:2478 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x537/0x740 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x882/0xe10 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 ____sys_sendmsg+0x6b9/0x7d0 net/socket.c:2343 ___sys_sendmsg+0x100/0x170 net/socket.c:2397 __sys_sendmsg+0xec/0x1b0 net/socket.c:2430 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe INITIAL USE at: lock_acquire+0x197/0x420 kernel/locking/lockdep.c:4484 __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:338 [inline] peernet2id_alloc+0xcd/0x3f0 net/core/net_namespace.c:240 dev_change_net_namespace+0x2a6/0xd30 net/core/dev.c:10066 do_setlink+0x18b/0x35e0 net/core/rtnetlink.c:2501 __rtnl_newlink+0xad5/0x1590 net/core/rtnetlink.c:3252 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3377 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5440 netlink_rcv_skb+0x15a/0x410 net/netlink/af_netlink.c:2478 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x537/0x740 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x882/0xe10 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 ____sys_sendmsg+0x6b9/0x7d0 net/socket.c:2343 ___sys_sendmsg+0x100/0x170 net/socket.c:2397 __sys_sendmsg+0xec/0x1b0 net/socket.c:2430 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.69268+0x0/0x40 ... acquired at: lock_acquire+0x197/0x420 kernel/locking/lockdep.c:4484 __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:338 [inline] peernet2id_alloc+0xcd/0x3f0 net/core/net_namespace.c:240 rtnl_fill_link_netnsid net/core/rtnetlink.c:1565 [inline] rtnl_fill_ifinfo+0x1e7c/0x39b0 net/core/rtnetlink.c:1751 rtmsg_ifinfo_build_skb+0xcd/0x1a0 net/core/rtnetlink.c:3685 rtmsg_ifinfo_event.part.0+0x49/0xe0 net/core/rtnetlink.c:3717 rtmsg_ifinfo_event net/core/rtnetlink.c:3728 [inline] rtmsg_ifinfo+0x7f/0xa0 net/core/rtnetlink.c:3726 __dev_notify_flags+0x235/0x2c0 net/core/dev.c:8177 __dev_set_promiscuity+0x191/0x210 net/core/dev.c:7953 dev_set_promiscuity+0x4f/0xe0 net/core/dev.c:7973 macsec_dev_change_rx_flags+0x13b/0x170 drivers/net/macsec.c:3423 dev_change_rx_flags net/core/dev.c:7906 [inline] __dev_set_promiscuity.cold+0x2e3/0x340 net/core/dev.c:7950 __dev_set_rx_mode+0x21f/0x300 net/core/dev.c:8055 dev_uc_add+0xa1/0xb0 net/core/dev_addr_lists.c:592 fdb_add_hw_addr+0xf3/0x280 net/bridge/br_fdb.c:165 fdb_insert+0x173/0x1c0 net/bridge/br_fdb.c:542 br_fdb_insert+0x35/0x50 net/bridge/br_fdb.c:554 br_add_if+0xca2/0x1800 net/bridge/br_if.c:648 do_set_master net/core/rtnetlink.c:2468 [inline] do_set_master+0x1d7/0x230 net/core/rtnetlink.c:2441 do_setlink+0xaa2/0x35e0 net/core/rtnetlink.c:2603 __rtnl_newlink+0xad5/0x1590 net/core/rtnetlink.c:3252 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3377 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5440 netlink_rcv_skb+0x15a/0x410 net/netlink/af_netlink.c:2478 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x537/0x740 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x882/0xe10 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 ____sys_sendmsg+0x6b9/0x7d0 net/socket.c:2343 ___sys_sendmsg+0x100/0x170 net/socket.c:2397 __sys_sendmsg+0xec/0x1b0 net/socket.c:2430 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe stack backtrace: CPU: 0 PID: 11771 Comm: syz-executor.1 Not tainted 5.6.0-rc5-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+0x188/0x20d lib/dump_stack.c:118 print_bad_irq_dependency kernel/locking/lockdep.c:2094 [inline] check_irq_usage.cold+0x586/0x6fe kernel/locking/lockdep.c:2292 check_prev_add kernel/locking/lockdep.c:2479 [inline] check_prevs_add kernel/locking/lockdep.c:2580 [inline] validate_chain kernel/locking/lockdep.c:2970 [inline] __lock_acquire+0x2033/0x3ca0 kernel/locking/lockdep.c:3954 lock_acquire+0x197/0x420 kernel/locking/lockdep.c:4484 __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:338 [inline] peernet2id_alloc+0xcd/0x3f0 net/core/net_namespace.c:240 rtnl_fill_link_netnsid net/core/rtnetlink.c:1565 [inline] rtnl_fill_ifinfo+0x1e7c/0x39b0 net/core/rtnetlink.c:1751 rtmsg_ifinfo_build_skb+0xcd/0x1a0 net/core/rtnetlink.c:3685 rtmsg_ifinfo_event.part.0+0x49/0xe0 net/core/rtnetlink.c:3717 rtmsg_ifinfo_event net/core/rtnetlink.c:3728 [inline] rtmsg_ifinfo+0x7f/0xa0 net/core/rtnetlink.c:3726 __dev_notify_flags+0x235/0x2c0 net/core/dev.c:8177 __dev_set_promiscuity+0x191/0x210 net/core/dev.c:7953 dev_set_promiscuity+0x4f/0xe0 net/core/dev.c:7973 macsec_dev_change_rx_flags+0x13b/0x170 drivers/net/macsec.c:3423 dev_change_rx_flags net/core/dev.c:7906 [inline] __dev_set_promiscuity.cold+0x2e3/0x340 net/core/dev.c:7950 __dev_set_rx_mode+0x21f/0x300 net/core/dev.c:8055 dev_uc_add+0xa1/0xb0 net/core/dev_addr_lists.c:592 fdb_add_hw_addr+0xf3/0x280 net/bridge/br_fdb.c:165 fdb_insert+0x173/0x1c0 net/bridge/br_fdb.c:542 br_fdb_insert+0x35/0x50 net/bridge/br_fdb.c:554 br_add_if+0xca2/0x1800 net/bridge/br_if.c:648 do_set_master net/core/rtnetlink.c:2468 [inline] do_set_master+0x1d7/0x230 net/core/rtnetlink.c:2441 do_setlink+0xaa2/0x35e0 net/core/rtnetlink.c:2603 __rtnl_newlink+0xad5/0x1590 net/core/rtnetlink.c:3252 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3377 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5440 netlink_rcv_skb+0x15a/0x410 net/netlink/af_netlink.c:2478 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x537/0x740 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x882/0xe10 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 ____sys_sendmsg+0x6b9/0x7d0 net/socket.c:2343 ___sys_sendmsg+0x100/0x170 net/socket.c:2397 __sys_sendmsg+0xec/0x1b0 net/socket.c:2430 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c849 Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007efdbe996c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007efdbe9976d4 RCX: 000000000045c849 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000006 RBP: 000000000076bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000009f9 R14: 00000000004ccb17 R15: 000000000076bfac