BUG: stack guard page was hit at 00000000ff1d6f5d (stack is 00000000f5550414..00000000bd886df1) kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 22983 Comm: syz-executor.5 Not tainted 5.8.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:unwind_next_frame+0xe4/0x1f90 arch/x86/kernel/unwind_orc.c:425 Code: 41 5d 41 5e 41 5f c3 4d 8d 67 48 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 80 3c 02 00 0f 85 1e 16 00 00 49 8b 47 48 <48> 89 44 24 08 49 8d 47 38 48 89 c2 48 89 04 24 48 b8 00 00 00 00 RSP: 0018:ffffc9001fe9ffd8 EFLAGS: 00010246 RAX: ffffffff81338052 RBX: 1ffff92003fd4003 RCX: ffffc9001fea0190 RDX: 1ffff92003fd4029 RSI: 0000000000000000 RDI: ffffc9001fea0100 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffc9001fea0100 R10: fffff52003fd402b R11: 0000000000000001 R12: ffffc9001fea0148 R13: fffff52003fd4021 R14: ffffc9001fea0138 R15: ffffc9001fea0100 FS: 00007fd2ec858700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9001fe9ffc8 CR3: 0000000013f27000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __unwind_start+0x517/0x800 arch/x86/kernel/unwind_orc.c:702 unwind_start arch/x86/include/asm/unwind.h:60 [inline] arch_stack_walk+0x5e/0xf0 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:123 save_stack+0x1b/0x40 mm/kasan/common.c:48 set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc.constprop.0+0xc2/0xd0 mm/kasan/common.c:494 slab_post_alloc_hook mm/slab.h:586 [inline] slab_alloc_node mm/slab.c:3263 [inline] kmem_cache_alloc_node+0x133/0x3e0 mm/slab.c:3575 __alloc_skb+0x71/0x550 net/core/skbuff.c:198 alloc_skb include/linux/skbuff.h:1084 [inline] nlmsg_new include/net/netlink.h:940 [inline] rtmsg_ifinfo_build_skb+0x72/0x1a0 net/core/rtnetlink.c:3804 rtmsg_ifinfo_event net/core/rtnetlink.c:3840 [inline] rtmsg_ifinfo_event net/core/rtnetlink.c:3831 [inline] rtnetlink_event+0x123/0x1d0 net/core/rtnetlink.c:5614 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2033 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline] call_netdevice_notifiers net/core/dev.c:2059 [inline] netdev_features_change net/core/dev.c:1444 [inline] netdev_sync_lower_features net/core/dev.c:9369 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9500 netdev_change_features+0x61/0xb0 net/core/dev.c:9572 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xab6 drivers/net/team/team.c:3006 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2033 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline] call_netdevice_notifiers net/core/dev.c:2059 [inline] netdev_features_change net/core/dev.c:1444 [inline] netdev_sync_lower_features net/core/dev.c:9369 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9500 netdev_change_features+0x61/0xb0 net/core/dev.c:9572 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xab6 drivers/net/team/team.c:3006 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2033 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline] call_netdevice_notifiers net/core/dev.c:2059 [inline] netdev_features_change net/core/dev.c:1444 [inline] netdev_sync_lower_features net/core/dev.c:9369 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9500 netdev_change_features+0x61/0xb0 net/core/dev.c:9572 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xab6 drivers/net/team/team.c:3006 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2033 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline] call_netdevice_notifiers net/core/dev.c:2059 [inline] netdev_features_change net/core/dev.c:1444 [inline] netdev_sync_lower_features net/core/dev.c:9369 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9500 netdev_change_features+0x61/0xb0 net/core/dev.c:9572 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xab6 drivers/net/team/team.c:3006 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2033 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline] call_netdevice_notifiers net/core/dev.c:2059 [inline] netdev_features_change net/core/dev.c:1444 [inline] netdev_sync_lower_features net/core/dev.c:9369 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9500 netdev_change_features+0x61/0xb0 net/core/dev.c:9572 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xab6 drivers/net/team/team.c:3006 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2033 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline] call_netdevice_notifiers net/core/dev.c:2059 [inline] netdev_features_change net/core/dev.c:1444 [inline] netdev_sync_lower_features net/core/dev.c:9369 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9500 netdev_change_features+0x61/0xb0 net/core/dev.c:9572 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xab6 drivers/net/team/team.c:3006 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2033 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline] call_netdevice_notifiers net/core/dev.c:2059 [inline] netdev_features_change net/core/dev.c:1444 [inline] netdev_sync_lower_features net/core/dev.c:9369 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9500 netdev_change_features+0x61/0xb0 net/core/dev.c:9572 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xab6 drivers/net/team/team.c:3006 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2033 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline] call_netdevice_notifiers net/core/dev.c:2059 [inline] netdev_features_change net/core/dev.c:1444 [inline] netdev_sync_lower_features net/core/dev.c:9369 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9500 netdev_change_features+0x61/0xb0 net/core/dev.c:9572 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xab6 drivers/net/team/team.c:3006 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2033 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline] call_netdevice_notifiers net/core/dev.c:2059 [inline] netdev_features_change net/core/dev.c:1444 [inline] netdev_sync_lower_features net/core/dev.c:9369 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9500 netdev_change_features+0x61/0xb0 net/core/dev.c:9572 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xab6 drivers/net/team/team.c:3006 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2033 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline] call_netdevice_notifiers net/core/dev.c:2059 [inline] netdev_features_change net/core/dev.c:1444 [inline] netdev_sync_lower_features net/core/dev.c:9369 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9500 netdev_change_features+0x61/0xb0 net/core/dev.c:9572 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xab6 drivers/net/team/team.c:3006 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2033 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline] call_netdevice_notifiers net/core/dev.c:2059 [inline] netdev_features_change net/core/dev.c:1444 [inline] netdev_sync_lower_features net/core/dev.c:9369 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9500 netdev_change_features+0x61/0xb0 net/core/dev.c:9572 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xab6 drivers/net/team/team.c:3006 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2033 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline] call_netdevice_notifiers net/core/dev.c:2059 [inline] netdev_features_change net/core/dev.c:1444 [inline] netdev_sync_lower_features net/core/dev.c:9369 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9500 netdev_change_features+0x61/0xb0 net/core/dev.c:9572 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xab6 drivers/net/team/team.c:3006 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2033 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline] call_netdevice_notifiers net/core/dev.c:2059 [inline] netdev_features_change net/core/dev.c:1444 [inline] netdev_sync_lower_features net/core/dev.c:9369 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9500 netdev_change_features+0x61/0xb0 net/core/dev.c:9572 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xab6 drivers/net/team/team.c:3006 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2033 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline] call_netdevice_notifiers net/core/dev.c:2059 [inline] netdev_features_change net/core/dev.c:1444 [inline] netdev_sync_lower_features net/core/dev.c:9369 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9500 netdev_change_features+0x61/0xb0 net/core/dev.c:9572 team_compute_features drivers/net/team/team.c:1026 [inline] team_device_event+0x860/0xab6 drivers/net/team/team.c:3006 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2033 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline] call_netdevice_notifiers net/core/dev.c:2059 [inline] netdev_features_change net/core/dev.c:1444 [inline] netdev_sync_lower_features net/core/dev.c:9369 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9500 netdev_change_features+0x61/0xb0 net/core/dev.c:9572 team_device_event Lost 413 message(s)! ---[ end trace 11886a35b5a38fbe ]--- RIP: 0010:unwind_next_frame+0xe4/0x1f90 arch/x86/kernel/unwind_orc.c:425 Code: 41 5d 41 5e 41 5f c3 4d 8d 67 48 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 80 3c 02 00 0f 85 1e 16 00 00 49 8b 47 48 <48> 89 44 24 08 49 8d 47 38 48 89 c2 48 89 04 24 48 b8 00 00 00 00 RSP: 0018:ffffc9001fe9ffd8 EFLAGS: 00010246 RAX: ffffffff81338052 RBX: 1ffff92003fd4003 RCX: ffffc9001fea0190 RDX: 1ffff92003fd4029 RSI: 0000000000000000 RDI: ffffc9001fea0100 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffc9001fea0100 R10: fffff52003fd402b R11: 0000000000000001 R12: ffffc9001fea0148 R13: fffff52003fd4021 R14: ffffc9001fea0138 R15: ffffc9001fea0100 FS: 00007fd2ec858700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9001fe9ffc8 CR3: 0000000013f27000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400