Hello, syzbot found the following issue on: HEAD commit: 5b69874f74cc bonding: fix build issue git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=127ed122300000 kernel config: https://syzkaller.appspot.com/x/.config?x=6da37c7627210105 dashboard link: https://syzkaller.appspot.com/bug?extid=6fd476398dd851d6a50d Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+6fd476398dd851d6a50d@xxxxxxxxxxxxxxxxxxxxxxxxx BUG: stack guard page was hit at ffffc900177c7f98 (stack is ffffc900177c8000..ffffc900177cffff) kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 6209 Comm: syz-executor.5 Not tainted 5.14.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__lock_acquire+0x4b/0x54a0 kernel/locking/lockdep.c:4873 Code: 84 24 20 01 00 00 48 c7 84 24 88 00 00 00 b3 8a b5 41 48 c7 84 24 90 00 00 00 0d b9 12 8b 48 c7 84 24 98 00 00 00 b0 a3 5a 81 <44> 89 44 24 08 48 89 44 24 20 48 8d 84 24 88 00 00 00 48 c1 e8 03 RSP: 0018:ffffc900177c7fa8 EFLAGS: 00010092 RAX: 0000000000000000 RBX: ffffffff8ba9c3a0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8ba9c3a0 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f4770783700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900177c7f98 CR3: 000000007f220000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire kernel/locking/lockdep.c:5625 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590 __fs_reclaim_acquire mm/page_alloc.c:4552 [inline] fs_reclaim_acquire+0x117/0x160 mm/page_alloc.c:4566 prepare_alloc_pages+0x15c/0x580 mm/page_alloc.c:5164 __alloc_pages+0x12f/0x500 mm/page_alloc.c:5363 alloc_pages+0x18c/0x2a0 mm/mempolicy.c:2244 alloc_slab_page mm/slub.c:1713 [inline] allocate_slab+0x32b/0x4c0 mm/slub.c:1853 new_slab mm/slub.c:1916 [inline] new_slab_objects mm/slub.c:2662 [inline] ___slab_alloc+0x4ba/0x820 mm/slub.c:2825 __slab_alloc.constprop.0+0xa7/0xf0 mm/slub.c:2865 slab_alloc_node mm/slub.c:2947 [inline] kmem_cache_alloc_node+0x12c/0x3e0 mm/slub.c:3017 __alloc_skb+0x20b/0x340 net/core/skbuff.c:414 alloc_skb include/linux/skbuff.h:1112 [inline] nlmsg_new include/net/netlink.h:953 [inline] rtmsg_ifinfo_build_skb+0x72/0x1a0 net/core/rtnetlink.c:3811 rtmsg_ifinfo_event net/core/rtnetlink.c:3847 [inline] rtmsg_ifinfo_event net/core/rtnetlink.c:3838 [inline] rtnetlink_event+0x123/0x1d0 net/core/rtnetlink.c:5625 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_change_features+0x61/0xb0 net/core/dev.c:10094 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1452 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3565 [inline] bond_netdev_event+0x75d/0xae0 drivers/net/bonding/bond_main.c:3605 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2123 call_netdevice_notifiers_extack net/core/dev.c:2135 [inline] call_netdevice_notifiers net/core/dev.c:2149 [inline] netdev_features_change net/core/dev.c:1495 [inline] netdev_sync_lower_features net/core/dev.c:9875 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:10022 netdev_update_features net/core/dev.c:10077 [inline] dev_disable_lro+0x8d/0x3e0 net/core/dev.c:1767 br_add_if+0xa52/0x1dc0 net/bridge/br_if.c:650 add_del_if+0x10c/0x140 net/bridge/br_ioctl.c:97 old_dev_ioctl.constprop.0.isra.0+0x118/0x1450 net/bridge/br_ioctl.c:122 br_dev_ioctl+0x67/0x160 net/bridge/br_ioctl.c:387 dev_do_ioctl net/core/dev_ioctl.c:230 [inline] dev_ifsioc+0x90d/0xa60 net/core/dev_ioctl.c:336 dev_ioctl+0x277/0xb70 net/core/dev_ioctl.c:530 sock_ioctl+0x50d/0x6a0 net/socket.c:1146 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:1069 [inline] __se_sys_ioctl fs/ioctl.c:1055 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:1055 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4770783188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 0000000020000000 RSI: 00000000000089f0 RDI: 0000000000000007 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffc4c62e09f R14: 00007f4770783300 R15: 0000000000022000 Modules linked in: ---[ end trace b67e8c7f28e41ea1 ]--- RIP: 0010:__lock_acquire+0x4b/0x54a0 kernel/locking/lockdep.c:4873 Code: 84 24 20 01 00 00 48 c7 84 24 88 00 00 00 b3 8a b5 41 48 c7 84 24 90 00 00 00 0d b9 12 8b 48 c7 84 24 98 00 00 00 b0 a3 5a 81 <44> 89 44 24 08 48 89 44 24 20 48 8d 84 24 88 00 00 00 48 c1 e8 03 RSP: 0018:ffffc900177c7fa8 EFLAGS: 00010092 RAX: 0000000000000000 RBX: ffffffff8ba9c3a0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8ba9c3a0 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f4770783700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900177c7f98 CR3: 000000007f220000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
