BUG: stack guard page was hit in arch_stack

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	BUG: stack guard page was hit in arch_stack_walk net				3	1634d	1641d	0/28	auto-closed as invalid on 2020/12/06 07:30
BUG: stack guard page was hit at ffffc900027c7fe8 (stack is ffffc900027c8000..ffffc900027cffff)
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 20894 Comm: syz-executor.3 Tainted: G        W         5.13.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:unwind_start arch/x86/include/asm/unwind.h:60 [inline]
RIP: 0010:arch_stack_walk+0x57/0xe0 arch/x86/kernel/stacktrace.c:24
Code: 0f 84 84 00 00 00 48 8b b1 80 00 00 00 4c 89 e7 ff d3 84 c0 74 58 49 8b 8d 98 00 00 00 48 8d bd 78 ff ff ff 4c 89 ea 4c 89 f6 <e8> 24 aa 07 00 8b 95 78 ff ff ff 85 d2 75 21 eb 33 4c 89 e7 ff d3
RSP: 0018:ffffc900027c7ff0 EFLAGS: 00010246
RAX: ffff8880a0b6d4c0 RBX: ffffffff8163fc30 RCX: ffffc900027c8078
RDX: 0000000000000000 RSI: ffff8880a0b6d4c0 RDI: ffffc900027c7ff0
RBP: ffffc900027c8078 R08: 0000000000002000 R09: ffffed1011969000
R10: ffffffff81346f2a R11: 000000000000003f R12: ffffc900027c80a8
R13: 0000000000000000 R14: ffff8880a0b6d4c0 R15: 0000000000000000
FS:  00007fb73ca2b700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900027c7fe8 CR3: 0000000088268000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121
 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38
 kasan_set_track+0x1c/0x30 mm/kasan/common.c:46
 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:360
 ____kasan_slab_free mm/kasan/common.c:366 [inline]
 ____kasan_slab_free mm/kasan/common.c:328 [inline]
 __kasan_slab_free+0xfb/0x130 mm/kasan/common.c:374
 kasan_slab_free include/linux/kasan.h:229 [inline]
 slab_free_hook mm/slub.c:1639 [inline]
 slab_free_freelist_hook+0xdf/0x240 mm/slub.c:1664
 slab_free mm/slub.c:3224 [inline]
 kfree+0xeb/0x670 mm/slub.c:4268
 skb_free_head net/core/skbuff.c:654 [inline]
 pskb_expand_head+0xb0b/0x1060 net/core/skbuff.c:1717
 netlink_trim+0x1ea/0x240 net/netlink/af_netlink.c:1296
 netlink_broadcast_filtered+0x65/0xdc0 net/netlink/af_netlink.c:1501
 netlink_broadcast net/netlink/af_netlink.c:1546 [inline]
 nlmsg_multicast include/net/netlink.h:1033 [inline]
 nlmsg_notify+0x90/0x250 net/netlink/af_netlink.c:2547
 rtnl_notify net/core/rtnetlink.c:741 [inline]
 rtmsg_ifinfo_send net/core/rtnetlink.c:3835 [inline]
 rtmsg_ifinfo_event net/core/rtnetlink.c:3850 [inline]
 rtmsg_ifinfo_event net/core/rtnetlink.c:3838 [inline]
 rtnetlink_event+0x193/0x1d0 net/core/rtnetlink.c:5625
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_change_features+0x61/0xb0 net/core/dev.c:10060
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3439 [inline]
 bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3479
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2122
 call_netdevice_notifiers_extack net/core/dev.c:2134 [inline]
 call_netdevice_notifiers net/core/dev.c:2148 [inline]
 netdev_features_change net/core/dev.c:1494 [inline]
 netdev_sync_lower_features net/core/dev.c:9841 [inline]
 __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9988
 netdev_sync_lower_features net/core/dev.c:9835 [inline]
 __netdev_update_features+0x906/0x17d0 net/core/dev.c:9988
 netdev_update_features net/core/dev.c:10043 [inline]
 dev_disable_lro+0x8d/0x3e0 net/core/dev.c:1766
 br_add_if+0xa4e/0x1c70 net/bridge/br_if.c:650
 do_set_master+0x1c8/0x220 net/core/rtnetlink.c:2524
 __rtnl_newlink+0x13af/0x1760 net/core/rtnetlink.c:3477
 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3508
 rtnetlink_rcv_msg+0x44e/0xb70 net/core/rtnetlink.c:5574
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2504
 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1340
 netlink_sendmsg+0x85b/0xda0 net/netlink/af_netlink.c:1929
 sock_sendmsg_nosec net/socket.c:702 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:722
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2385
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2439
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2468
 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:00007fb73ca2b188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000007
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffeb9afe5bf R14: 00007fb73ca2b300 R15: 0000000000022000
Modules linked in:
---[ end trace af50ef67b3387c53 ]---
RIP: 0010:unwind_start arch/x86/include/asm/unwind.h:60 [inline]
RIP: 0010:arch_stack_walk+0x57/0xe0 arch/x86/kernel/stacktrace.c:24
Code: 0f 84 84 00 00 00 48 8b b1 80 00 00 00 4c 89 e7 ff d3 84 c0 74 58 49 8b 8d 98 00 00 00 48 8d bd 78 ff ff ff 4c 89 ea 4c 89 f6 <e8> 24 aa 07 00 8b 95 78 ff ff ff 85 d2 75 21 eb 33 4c 89 e7 ff d3
RSP: 0018:ffffc900027c7ff0 EFLAGS: 00010246
RAX: ffff8880a0b6d4c0 RBX: ffffffff8163fc30 RCX: ffffc900027c8078
RDX: 0000000000000000 RSI: ffff8880a0b6d4c0 RDI: ffffc900027c7ff0
RBP: ffffc900027c8078 R08: 0000000000002000 R09: ffffed1011969000
R10: ffffffff81346f2a R11: 000000000000003f R12: ffffc900027c80a8
R13: 0000000000000000 R14: ffff8880a0b6d4c0 R15: 0000000000000000
FS:  00007fb73ca2b700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900027c7fe8 CR3: 0000000088268000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2021/07/12 16:01	net-next-old	5e437416ff66	a4869c92	.config	console log	report			info		ci-upstream-net-kasan-gce	BUG: stack guard page was hit in arch_stack_walk
2021/07/10 07:24	net-next-old	5e437416ff66	8f5a7b8c	.config	console log	report			info		ci-upstream-net-kasan-gce	BUG: stack guard page was hit in arch_stack_walk