BUG: stack guard page was hit at 0000000036c43697 (stack is 00000000aed83004..00000000ad1bd330) kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 2543 Comm: syz-executor.4 Not tainted 5.9.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:unwind_next_frame+0x1e/0x1f90 arch/x86/kernel/unwind_orc.c:424 Code: 48 8b 0c 24 e9 72 ff ff ff 0f 1f 00 48 b8 00 00 00 00 00 fc ff df 41 57 49 89 ff 41 56 41 55 41 54 55 53 48 81 ec a0 00 00 00 <48> c7 44 24 40 b3 8a b5 41 48 8d 5c 24 40 48 c7 44 24 48 50 ea 69 RSP: 0018:ffffc900173f7fb8 EFLAGS: 00010286 RAX: dffffc0000000000 RBX: ffffc900173f8168 RCX: ffffc900173f8170 RDX: ffffc90017400000 RSI: 1ffff92002e7f01e RDI: ffffc900173f80e0 RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffc900173f80e0 R10: fffff52002e7f027 R11: 0000000000000001 R12: fffff52002e7f01e R13: fffff52002e7f01d R14: ffffc900173f8118 R15: ffffc900173f80e0 FS: 00007f6c5bfc4700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900173f7fa8 CR3: 000000009e086000 CR4: 00000000001506e0 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 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48 kasan_set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:461 slab_post_alloc_hook mm/slab.h:518 [inline] slab_alloc_node mm/slab.c:3254 [inline] kmem_cache_alloc_node+0x136/0x3e0 mm/slab.c:3574 __alloc_skb+0x71/0x550 net/core/skbuff.c:198 alloc_skb include/linux/skbuff.h:1094 [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:9372 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9503 netdev_change_features+0x61/0xb0 net/core/dev.c:9575 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:9372 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9503 netdev_change_features+0x61/0xb0 net/core/dev.c:9575 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:9372 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9503 netdev_change_features+0x61/0xb0 net/core/dev.c:9575 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:9372 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9503 netdev_change_features+0x61/0xb0 net/core/dev.c:9575 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:9372 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9503 netdev_change_features+0x61/0xb0 net/core/dev.c:9575 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:9372 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9503 netdev_change_features+0x61/0xb0 net/core/dev.c:9575 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:9372 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9503 netdev_change_features+0x61/0xb0 net/core/dev.c:9575 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:9372 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9503 netdev_change_features+0x61/0xb0 net/core/dev.c:9575 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:9372 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9503 netdev_change_features+0x61/0xb0 net/core/dev.c:9575 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:9372 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9503 netdev_change_features+0x61/0xb0 net/core/dev.c:9575 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:9372 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9503 netdev_change_features+0x61/0xb0 net/core/dev.c:9575 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:9372 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9503 netdev_change_features+0x61/0xb0 net/core/dev.c:9575 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:9372 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9503 netdev_change_features+0x61/0xb0 net/core/dev.c:9575 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:9372 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9503 netdev_change_features+0x61/0xb0 net/core/dev.c:9575 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:9372 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9503 netdev_change_fea Lost 417 message(s)! ---[ end trace 75baedce706004d4 ]--- RIP: 0010:unwind_next_frame+0x1e/0x1f90 arch/x86/kernel/unwind_orc.c:424 Code: 48 8b 0c 24 e9 72 ff ff ff 0f 1f 00 48 b8 00 00 00 00 00 fc ff df 41 57 49 89 ff 41 56 41 55 41 54 55 53 48 81 ec a0 00 00 00 <48> c7 44 24 40 b3 8a b5 41 48 8d 5c 24 40 48 c7 44 24 48 50 ea 69 RSP: 0018:ffffc900173f7fb8 EFLAGS: 00010286 RAX: dffffc0000000000 RBX: ffffc900173f8168 RCX: ffffc900173f8170 RDX: ffffc90017400000 RSI: 1ffff92002e7f01e RDI: ffffc900173f80e0 RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffc900173f80e0 R10: fffff52002e7f027 R11: 0000000000000001 R12: fffff52002e7f01e R13: fffff52002e7f01d R14: ffffc900173f8118 R15: ffffc900173f80e0 FS: 00007f6c5bfc4700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900173f7fa8 CR3: 000000009e086000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400