BUG: stack guard page was hit at 000000006c426fb0 (stack is 000000002e62bca7..00000000a54dbb81) kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 17262 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:mark_lock+0x23/0x24c0 kernel/locking/lockdep.c:4370 Code: 1f 84 00 00 00 00 00 41 57 41 56 41 55 41 54 41 89 d4 48 ba 00 00 00 00 00 fc ff df 55 53 48 81 ec 18 01 00 00 48 8d 5c 24 38 <48> 89 3c 24 48 c7 44 24 38 b3 8a b5 41 48 c1 eb 03 48 c7 44 24 40 RSP: 0018:ffffc9001a5eff78 EFLAGS: 00010096 RAX: 0000000000000000 RBX: ffffc9001a5effb0 RCX: 0000000000000003 RDX: dffffc0000000000 RSI: ffff88808b810938 RDI: ffff88808b810000 RBP: ffff88808b810000 R08: 0000000000000000 R09: ffffffff8ebb067f R10: fffffbfff1d760cf R11: 0000000000000000 R12: 0000000000000008 R13: 0000000000000003 R14: dffffc0000000000 R15: ffff88808b810910 FS: 00007fc729979700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9001a5eff78 CR3: 000000009496b000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mark_usage kernel/locking/lockdep.c:4330 [inline] __lock_acquire+0x8c1/0x5c00 kernel/locking/lockdep.c:4784 lock_acquire kernel/locking/lockdep.c:5435 [inline] lock_acquire+0x2a3/0x8c0 kernel/locking/lockdep.c:5400 rcu_lock_acquire include/linux/rcupdate.h:248 [inline] rcu_read_lock include/linux/rcupdate.h:641 [inline] dev_get_alias+0x40/0x230 net/core/dev.c:1429 nla_put_ifalias+0x82/0x170 net/core/rtnetlink.c:1567 rtnl_fill_ifinfo+0xb7f/0x3dc0 net/core/rtnetlink.c:1745 rtmsg_ifinfo_build_skb+0xcd/0x1a0 net/core/rtnetlink.c:3807 rtmsg_ifinfo_event net/core/rtnetlink.c:3839 [inline] rtmsg_ifinfo_event net/core/rtnetlink.c:3830 [inline] rtnetlink_event+0x123/0x1d0 net/core/rtnetlink.c:5613 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2035 call_netdevice_notifiers_extack net/core/dev.c:2047 [inline] call_netdevice_notifiers net/core/dev.c:2061 [inline] netdev_features_change net/core/dev.c:1446 [inline] netdev_sync_lower_features net/core/dev.c:9515 [inline] __netdev_update_features+0x88d/0x15c0 net/core/dev.c:9646 netdev_change_features+0x61/0xb0 net/core/dev.c:9718 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xac0 drivers/net/team/team.c:3007 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2035 call_netdevice_notifiers_extack net/core/dev.c:2047 [inline] call_netdevice_notifiers net/core/dev.c:2061 [inline] netdev_features_change net/core/dev.c:1446 [inline] netdev_sync_lower_features net/core/dev.c:9515 [inline] __netdev_update_features+0x88d/0x15c0 net/core/dev.c:9646 netdev_change_features+0x61/0xb0 net/core/dev.c:9718 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xac0 drivers/net/team/team.c:3007 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2035 call_netdevice_notifiers_extack net/core/dev.c:2047 [inline] call_netdevice_notifiers net/core/dev.c:2061 [inline] netdev_features_change net/core/dev.c:1446 [inline] netdev_sync_lower_features net/core/dev.c:9515 [inline] __netdev_update_features+0x88d/0x15c0 net/core/dev.c:9646 netdev_change_features+0x61/0xb0 net/core/dev.c:9718 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xac0 drivers/net/team/team.c:3007 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2035 call_netdevice_notifiers_extack net/core/dev.c:2047 [inline] call_netdevice_notifiers net/core/dev.c:2061 [inline] netdev_features_change net/core/dev.c:1446 [inline] netdev_sync_lower_features net/core/dev.c:9515 [inline] __netdev_update_features+0x88d/0x15c0 net/core/dev.c:9646 netdev_change_features+0x61/0xb0 net/core/dev.c:9718 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xac0 drivers/net/team/team.c:3007 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2035 call_netdevice_notifiers_extack net/core/dev.c:2047 [inline] call_netdevice_notifiers net/core/dev.c:2061 [inline] netdev_features_change net/core/dev.c:1446 [inline] netdev_sync_lower_features net/core/dev.c:9515 [inline] __netdev_update_features+0x88d/0x15c0 net/core/dev.c:9646 netdev_change_features+0x61/0xb0 net/core/dev.c:9718 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xac0 drivers/net/team/team.c:3007 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2035 call_netdevice_notifiers_extack net/core/dev.c:2047 [inline] call_netdevice_notifiers net/core/dev.c:2061 [inline] netdev_features_change net/core/dev.c:1446 [inline] netdev_sync_lower_features net/core/dev.c:9515 [inline] __netdev_update_features+0x88d/0x15c0 net/core/dev.c:9646 netdev_change_features+0x61/0xb0 net/core/dev.c:9718 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xac0 drivers/net/team/team.c:3007 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2035 call_netdevice_notifiers_extack net/core/dev.c:2047 [inline] call_netdevice_notifiers net/core/dev.c:2061 [inline] netdev_features_change net/core/dev.c:1446 [inline] netdev_sync_lower_features net/core/dev.c:9515 [inline] __netdev_update_features+0x88d/0x15c0 net/core/dev.c:9646 netdev_change_features+0x61/0xb0 net/core/dev.c:9718 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xac0 drivers/net/team/team.c:3007 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2035 call_netdevice_notifiers_extack net/core/dev.c:2047 [inline] call_netdevice_notifiers net/core/dev.c:2061 [inline] netdev_features_change net/core/dev.c:1446 [inline] netdev_sync_lower_features net/core/dev.c:9515 [inline] __netdev_update_features+0x88d/0x15c0 net/core/dev.c:9646 netdev_change_features+0x61/0xb0 net/core/dev.c:9718 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xac0 drivers/net/team/team.c:3007 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2035 call_netdevice_notifiers_extack net/core/dev.c:2047 [inline] call_netdevice_notifiers net/core/dev.c:2061 [inline] netdev_features_change net/core/dev.c:1446 [inline] netdev_sync_lower_features net/core/dev.c:9515 [inline] __netdev_update_features+0x88d/0x15c0 net/core/dev.c:9646 netdev_change_features+0x61/0xb0 net/core/dev.c:9718 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xac0 drivers/net/team/team.c:3007 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2035 call_netdevice_notifiers_extack net/core/dev.c:2047 [inline] call_netdevice_notifiers net/core/dev.c:2061 [inline] netdev_features_change net/core/dev.c:1446 [inline] netdev_sync_lower_features net/core/dev.c:9515 [inline] __netdev_update_features+0x88d/0x15c0 net/core/dev.c:9646 netdev_change_features+0x61/0xb0 net/core/dev.c:9718 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xac0 drivers/net/team/team.c:3007 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2035 call_netdevice_notifiers_extack net/core/dev.c:2047 [inline] call_netdevice_notifiers net/core/dev.c:2061 [inline] netdev_features_change net/core/dev.c:1446 [inline] netdev_sync_lower_features net/core/dev.c:9515 [inline] __netdev_update_features+0x88d/0x15c0 net/core/dev.c:9646 netdev_change_features+0x61/0xb0 net/core/dev.c:9718 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xac0 drivers/net/team/team.c:3007 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2035 call_netdevice_notifiers_extack net/core/dev.c:2047 [inline] call_netdevice_notifiers net/core/dev.c:2061 [inline] netdev_features_change net/core/dev.c:1446 [inline] netdev_sync_lower_features net/core/dev.c:9515 [inline] __netdev_update_features+0x88d/0x15c0 net/core/dev.c:9646 netdev_change_features+0x61/0xb0 net/core/dev.c:9718 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xac0 drivers/net/team/team.c:3007 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2035 call_netdevice_notifiers_extack net/core/dev.c:2047 [inline] call_netdevice_notifiers net/core/dev.c:2061 [inline] netdev_features_change net/core/dev.c:1446 [inline] netdev_sync_lower_features net/core/dev.c:9515 [inline] __netdev_update_features+0x88d/0x15c0 net/core/dev.c:9646 netdev_change_features+0x61/0xb0 net/core/dev.c:9718 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xac0 drivers/net/team/team.c:3007 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2035 call_netdevice_notifiers_extack net/core/dev.c:2047 [inline] call_netdevice_notifiers net/core/dev.c:2061 [inline] netdev_features_change net/core/dev.c:1446 [inline] netdev_sync_lower_features net/core/dev.c:9515 [inline] __netdev_update_features+0x88d/0x15c0 net/core/dev.c:9646 netdev_change_features+0x61/0xb0 net/core/dev.c:9718 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xac0 drivers/net/team/team.c:3007 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2035 call_netdevice_notifiers_extack net/core/dev.c:2047 [inline] call_netdevice_notifiers net/core/dev.c:2061 [inline] netdev_features_change net/core/dev.c:1446 [inline] netdev_sync_lower_features net/core/dev.c:9515 [inline] __netdev_update_features+0x88d/0x15c0 net/core/dev.c:9646 Lost 375 message(s)! ---[ end trace bca0075ee63f3043 ]--- RIP: 0010:mark_lock+0x23/0x24c0 kernel/locking/lockdep.c:4370 Code: 1f 84 00 00 00 00 00 41 57 41 56 41 55 41 54 41 89 d4 48 ba 00 00 00 00 00 fc ff df 55 53 48 81 ec 18 01 00 00 48 8d 5c 24 38 <48> 89 3c 24 48 c7 44 24 38 b3 8a b5 41 48 c1 eb 03 48 c7 44 24 40 RSP: 0018:ffffc9001a5eff78 EFLAGS: 00010096 RAX: 0000000000000000 RBX: ffffc9001a5effb0 RCX: 0000000000000003 RDX: dffffc0000000000 RSI: ffff88808b810938 RDI: ffff88808b810000 RBP: ffff88808b810000 R08: 0000000000000000 R09: ffffffff8ebb067f R10: fffffbfff1d760cf R11: 0000000000000000 R12: 0000000000000008 R13: 0000000000000003 R14: dffffc0000000000 R15: ffff88808b810910 FS: 00007fc729979700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9001a5eff78 CR3: 000000009496b000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400