syzbot
2021-Nov-07 10:22 UTC
[Bridge] [syzbot] BUG: TASK stack guard page was hit at ADDR (stack is ADDR..ADDR)
Hello, syzbot found the following issue on: HEAD commit: cc0356d6a02e Merge tag 'x86_core_for_v5.16_rc1' of git://g.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=108bb246b00000 kernel config: https://syzkaller.appspot.com/x/.config?x=a5d447cdc3ae81d9 dashboard link: https://syzkaller.appspot.com/bug?extid=11e187621fbc19749a18 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 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+11e187621fbc19749a18 at syzkaller.appspotmail.com BUG: TASK stack guard page was hit at ffffc9000d447fc8 (stack is ffffc9000d448000..ffffc9000d450000) stack guard page: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 383 Comm: syz-executor.0 Not tainted 5.15.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:mark_lock+0x23/0x17b0 kernel/locking/lockdep.c:4554 Code: 84 00 00 00 00 00 90 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:ffffc9000d447fd8 EFLAGS: 00010096 RAX: 0000000000000000 RBX: ffffc9000d448010 RCX: ffffffff815c419d RDX: dffffc0000000000 RSI: ffff88803a27e1d8 RDI: ffff88803a27d700 RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff8fd38a07 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008 R13: ffff88803a27d700 R14: ffff88803a27e160 R15: dffffc0000000000 FS: 00007f1792855700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000d447fc8 CR3: 000000017af51000 CR4: 0000000000350ef0 Call Trace: <TASK> mark_usage kernel/locking/lockdep.c:4514 [inline] __lock_acquire+0x8a7/0x54a0 kernel/locking/lockdep.c:4969 lock_acquire kernel/locking/lockdep.c:5625 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590 rcu_lock_acquire include/linux/rcupdate.h:268 [inline] rcu_read_lock include/linux/rcupdate.h:688 [inline] br_get_link_af_size_filtered+0xa7/0xbe0 net/bridge/br_netlink.c:104 rtnl_link_get_af_size net/core/rtnetlink.c:598 [inline] if_nlmsg_size+0x40c/0xa50 net/core/rtnetlink.c:1039 rtmsg_ifinfo_build_skb+0x5e/0x1a0 net/core/rtnetlink.c:3808 rtmsg_ifinfo_event net/core/rtnetlink.c:3844 [inline] rtmsg_ifinfo_event net/core/rtnetlink.c:3835 [inline] rtnetlink_event+0x123/0x1d0 net/core/rtnetlink.c:5622 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_change_features+0x61/0xb0 net/core/dev.c:10075 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers net/core/dev.c:2028 [inline] netdev_features_change net/core/dev.c:1374 [inline] netdev_sync_lower_features net/core/dev.c:9851 [inline] __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 netdev_update_features net/core/dev.c:10058 [inline] dev_disable_lro+0x8d/0x3e0 net/core/dev.c:1646 br_add_if+0xb78/0x1f20 net/bridge/br_if.c:645 add_del_if+0x10c/0x140 net/bridge/br_ioctl.c:98 br_ioctl_stub+0x1d0/0x7e0 net/bridge/br_ioctl.c:407 br_ioctl_call+0x5e/0xa0 net/socket.c:1092 dev_ifsioc+0xcf8/0x10c0 net/core/dev_ioctl.c:386 dev_ioctl+0x1b9/0xed0 net/core/dev_ioctl.c:585 sock_do_ioctl+0x15a/0x230 net/socket.c:1132 sock_ioctl+0x2f1/0x640 net/socket.c:1235 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860 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: 0033:0x7f1795321ae9 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:00007f1792855188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f17954350e0 RCX: 00007f1795321ae9 RDX: 0000000020000000 RSI: 00000000000089a2 RDI: 0000000000000004 RBP: 00007f179537bf25 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe1c04ac0f R14: 00007f1792855300 R15: 0000000000022000 </TASK> Modules linked in: ---[ end trace 2e97ffe52c6a9452 ]--- RIP: 0010:mark_lock+0x23/0x17b0 kernel/locking/lockdep.c:4554 Code: 84 00 00 00 00 00 90 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:ffffc9000d447fd8 EFLAGS: 00010096 RAX: 0000000000000000 RBX: ffffc9000d448010 RCX: ffffffff815c419d RDX: dffffc0000000000 RSI: ffff88803a27e1d8 RDI: ffff88803a27d700 RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff8fd38a07 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008 R13: ffff88803a27d700 R14: ffff88803a27e160 R15: dffffc0000000000 FS: 00007f1792855700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000d447fc8 CR3: 000000017af51000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: 84 00 test %al,(%rax) 2: 00 00 add %al,(%rax) 4: 00 00 add %al,(%rax) 6: 90 nop 7: 41 57 push %r15 9: 41 56 push %r14 b: 41 55 push %r13 d: 41 54 push %r12 f: 41 89 d4 mov %edx,%r12d 12: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 19: fc ff df 1c: 55 push %rbp 1d: 53 push %rbx 1e: 48 81 ec 18 01 00 00 sub $0x118,%rsp 25: 48 8d 5c 24 38 lea 0x38(%rsp),%rbx * 2a: 48 89 3c 24 mov %rdi,(%rsp) <-- trapping instruction 2e: 48 c7 44 24 38 b3 8a movq $0x41b58ab3,0x38(%rsp) 35: b5 41 37: 48 c1 eb 03 shr $0x3,%rbx 3b: 48 rex.W 3c: c7 .byte 0xc7 3d: 44 24 40 rex.R and $0x40,%al --- 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 at googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
Dmitry Vyukov
2021-Dec-14 07:27 UTC
[Bridge] [syzbot] BUG: TASK stack guard page was hit at ADDR (stack is ADDR..ADDR)
On Sun, 7 Nov 2021 at 11:22, syzbot <syzbot+11e187621fbc19749a18 at syzkaller.appspotmail.com> wrote:> > Hello, > > syzbot found the following issue on: > > HEAD commit: cc0356d6a02e Merge tag 'x86_core_for_v5.16_rc1' of git://g.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=108bb246b00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=a5d447cdc3ae81d9 > dashboard link: https://syzkaller.appspot.com/bug?extid=11e187621fbc19749a18 > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > > 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+11e187621fbc19749a18 at syzkaller.appspotmail.comKernel output has changed. I've repaired parsing here: https://github.com/google/syzkaller/commit/7b14e14df007095c58e6be2811d5e4a2ac31f875 #syz invalid> BUG: TASK stack guard page was hit at ffffc9000d447fc8 (stack is ffffc9000d448000..ffffc9000d450000) > stack guard page: 0000 [#1] PREEMPT SMP KASAN > CPU: 0 PID: 383 Comm: syz-executor.0 Not tainted 5.15.0-syzkaller #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 > RIP: 0010:mark_lock+0x23/0x17b0 kernel/locking/lockdep.c:4554 > Code: 84 00 00 00 00 00 90 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:ffffc9000d447fd8 EFLAGS: 00010096 > RAX: 0000000000000000 RBX: ffffc9000d448010 RCX: ffffffff815c419d > RDX: dffffc0000000000 RSI: ffff88803a27e1d8 RDI: ffff88803a27d700 > RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff8fd38a07 > R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008 > R13: ffff88803a27d700 R14: ffff88803a27e160 R15: dffffc0000000000 > FS: 00007f1792855700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: ffffc9000d447fc8 CR3: 000000017af51000 CR4: 0000000000350ef0 > Call Trace: > <TASK> > mark_usage kernel/locking/lockdep.c:4514 [inline] > __lock_acquire+0x8a7/0x54a0 kernel/locking/lockdep.c:4969 > lock_acquire kernel/locking/lockdep.c:5625 [inline] > lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590 > rcu_lock_acquire include/linux/rcupdate.h:268 [inline] > rcu_read_lock include/linux/rcupdate.h:688 [inline] > br_get_link_af_size_filtered+0xa7/0xbe0 net/bridge/br_netlink.c:104 > rtnl_link_get_af_size net/core/rtnetlink.c:598 [inline] > if_nlmsg_size+0x40c/0xa50 net/core/rtnetlink.c:1039 > rtmsg_ifinfo_build_skb+0x5e/0x1a0 net/core/rtnetlink.c:3808 > rtmsg_ifinfo_event net/core/rtnetlink.c:3844 [inline] > rtmsg_ifinfo_event net/core/rtnetlink.c:3835 [inline] > rtnetlink_event+0x123/0x1d0 net/core/rtnetlink.c:5622 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_change_features+0x61/0xb0 net/core/dev.c:10075 > bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471 > bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline] > bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678 > notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 > call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 > call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] > call_netdevice_notifiers net/core/dev.c:2028 [inline] > netdev_features_change net/core/dev.c:1374 [inline] > netdev_sync_lower_features net/core/dev.c:9851 [inline] > __netdev_update_features+0x986/0x1840 net/core/dev.c:10003 > netdev_update_features net/core/dev.c:10058 [inline] > dev_disable_lro+0x8d/0x3e0 net/core/dev.c:1646 > br_add_if+0xb78/0x1f20 net/bridge/br_if.c:645 > add_del_if+0x10c/0x140 net/bridge/br_ioctl.c:98 > br_ioctl_stub+0x1d0/0x7e0 net/bridge/br_ioctl.c:407 > br_ioctl_call+0x5e/0xa0 net/socket.c:1092 > dev_ifsioc+0xcf8/0x10c0 net/core/dev_ioctl.c:386 > dev_ioctl+0x1b9/0xed0 net/core/dev_ioctl.c:585 > sock_do_ioctl+0x15a/0x230 net/socket.c:1132 > sock_ioctl+0x2f1/0x640 net/socket.c:1235 > vfs_ioctl fs/ioctl.c:51 [inline] > __do_sys_ioctl fs/ioctl.c:874 [inline] > __se_sys_ioctl fs/ioctl.c:860 [inline] > __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860 > 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: 0033:0x7f1795321ae9 > 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:00007f1792855188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 > RAX: ffffffffffffffda RBX: 00007f17954350e0 RCX: 00007f1795321ae9 > RDX: 0000000020000000 RSI: 00000000000089a2 RDI: 0000000000000004 > RBP: 00007f179537bf25 R08: 0000000000000000 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 > R13: 00007ffe1c04ac0f R14: 00007f1792855300 R15: 0000000000022000 > </TASK> > Modules linked in: > ---[ end trace 2e97ffe52c6a9452 ]--- > RIP: 0010:mark_lock+0x23/0x17b0 kernel/locking/lockdep.c:4554 > Code: 84 00 00 00 00 00 90 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:ffffc9000d447fd8 EFLAGS: 00010096 > RAX: 0000000000000000 RBX: ffffc9000d448010 RCX: ffffffff815c419d > RDX: dffffc0000000000 RSI: ffff88803a27e1d8 RDI: ffff88803a27d700 > RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff8fd38a07 > R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008 > R13: ffff88803a27d700 R14: ffff88803a27e160 R15: dffffc0000000000 > FS: 00007f1792855700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: ffffc9000d447fc8 CR3: 000000017af51000 CR4: 0000000000350ef0 > ---------------- > Code disassembly (best guess): > 0: 84 00 test %al,(%rax) > 2: 00 00 add %al,(%rax) > 4: 00 00 add %al,(%rax) > 6: 90 nop > 7: 41 57 push %r15 > 9: 41 56 push %r14 > b: 41 55 push %r13 > d: 41 54 push %r12 > f: 41 89 d4 mov %edx,%r12d > 12: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx > 19: fc ff df > 1c: 55 push %rbp > 1d: 53 push %rbx > 1e: 48 81 ec 18 01 00 00 sub $0x118,%rsp > 25: 48 8d 5c 24 38 lea 0x38(%rsp),%rbx > * 2a: 48 89 3c 24 mov %rdi,(%rsp) <-- trapping instruction > 2e: 48 c7 44 24 38 b3 8a movq $0x41b58ab3,0x38(%rsp) > 35: b5 41 > 37: 48 c1 eb 03 shr $0x3,%rbx > 3b: 48 rex.W > 3c: c7 .byte 0xc7 > 3d: 44 24 40 rex.R and $0x40,%al > > > --- > 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 at googlegroups.com. > > syzbot will keep track of this issue. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe at googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/000000000000b48a3d05d03040f8%40google.com.