BUG: stack guard page was hit at 000000009157a0b1 (stack is 000000007cb00dab..0000000055f9d23d) kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 13871 Comm: syz-executor.4 Not tainted 5.8.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:arch_stack_walk+0x0/0xf0 arch/x86/kernel/stacktrace.c:17 Code: 8b eb c0 e6 82 89 fa ee ee 8d 57 01 ee ee eb cd e6 81 eb f1 e6 87 eb ed e6 83 eb e9 cc cc cc cc cc cc cc cc cc cc cc cc cc cc <55> 48 89 e5 41 56 49 89 d6 41 55 49 89 cd 41 54 49 89 f4 53 48 89 RSP: 0018:ffffc90008b18000 EFLAGS: 00010246 RAX: 0000000000000000 RBX: fffff52001163001 RCX: 0000000000000000 RDX: ffff88802b30e480 RSI: ffffc90008b18028 RDI: ffffffff8162c090 RBP: 0000000000000cc0 R08: ffffed1006f83078 R09: ffffed1006f83094 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000cc0 R13: 0000000000000000 R14: ffff88821b77f8c0 R15: 00000000000000e0 FS: 00007f7369ba8700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90008b17ff8 CR3: 00000000a21ec000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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+0x130/0x3c0 mm/slab.c:3575 __alloc_skb+0x71/0x550 net/core/skbuff.c:198 alloc_skb include/linux/skbuff.h:1083 [inline] nlmsg_new include/net/netlink.h:940 [inline] rtmsg_ifinfo_build_skb+0x72/0x1a0 net/core/rtnetlink.c:3702 rtmsg_ifinfo_event net/core/rtnetlink.c:3738 [inline] rtmsg_ifinfo_event net/core/rtnetlink.c:3729 [inline] rtnetlink_event+0x123/0x1d0 net/core/rtnetlink.c:5512 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2027 call_netdevice_notifiers_extack net/core/dev.c:2039 [inline] call_netdevice_notifiers net/core/dev.c:2053 [inline] netdev_features_change net/core/dev.c:1443 [inline] netdev_sync_lower_features net/core/dev.c:9056 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9187 netdev_change_features+0x61/0xb0 net/core/dev.c:9259 bond_compute_features+0x502/0xa00 drivers/net/bonding/bond_main.c:1188 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3237 [inline] bond_netdev_event+0x81f/0xb30 drivers/net/bonding/bond_main.c:3277 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2027 call_netdevice_notifiers_extack net/core/dev.c:2039 [inline] call_netdevice_notifiers net/core/dev.c:2053 [inline] netdev_features_change net/core/dev.c:1443 [inline] netdev_sync_lower_features net/core/dev.c:9056 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9187 netdev_change_features+0x61/0xb0 net/core/dev.c:9259 bond_compute_features+0x502/0xa00 drivers/net/bonding/bond_main.c:1188 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3237 [inline] bond_netdev_event+0x81f/0xb30 drivers/net/bonding/bond_main.c:3277 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2027 call_netdevice_notifiers_extack net/core/dev.c:2039 [inline] call_netdevice_notifiers net/core/dev.c:2053 [inline] netdev_features_change net/core/dev.c:1443 [inline] netdev_sync_lower_features net/core/dev.c:9056 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9187 netdev_change_features+0x61/0xb0 net/core/dev.c:9259 bond_compute_features+0x502/0xa00 drivers/net/bonding/bond_main.c:1188 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3237 [inline] bond_netdev_event+0x81f/0xb30 drivers/net/bonding/bond_main.c:3277 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2027 call_netdevice_notifiers_extack net/core/dev.c:2039 [inline] call_netdevice_notifiers net/core/dev.c:2053 [inline] netdev_features_change net/core/dev.c:1443 [inline] netdev_sync_lower_features net/core/dev.c:9056 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9187 netdev_change_features+0x61/0xb0 net/core/dev.c:9259 bond_compute_features+0x502/0xa00 drivers/net/bonding/bond_main.c:1188 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3237 [inline] bond_netdev_event+0x81f/0xb30 drivers/net/bonding/bond_main.c:3277 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2027 call_netdevice_notifiers_extack net/core/dev.c:2039 [inline] call_netdevice_notifiers net/core/dev.c:2053 [inline] netdev_features_change net/core/dev.c:1443 [inline] netdev_sync_lower_features net/core/dev.c:9056 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9187 netdev_change_features+0x61/0xb0 net/core/dev.c:9259 bond_compute_features+0x502/0xa00 drivers/net/bonding/bond_main.c:1188 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3237 [inline] bond_netdev_event+0x81f/0xb30 drivers/net/bonding/bond_main.c:3277 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2027 call_netdevice_notifiers_extack net/core/dev.c:2039 [inline] call_netdevice_notifiers net/core/dev.c:2053 [inline] netdev_features_change net/core/dev.c:1443 [inline] netdev_sync_lower_features net/core/dev.c:9056 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9187 netdev_change_features+0x61/0xb0 net/core/dev.c:9259 bond_compute_features+0x502/0xa00 drivers/net/bonding/bond_main.c:1188 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3237 [inline] bond_netdev_event+0x81f/0xb30 drivers/net/bonding/bond_main.c:3277 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2027 call_netdevice_notifiers_extack net/core/dev.c:2039 [inline] call_netdevice_notifiers net/core/dev.c:2053 [inline] netdev_features_change net/core/dev.c:1443 [inline] netdev_sync_lower_features net/core/dev.c:9056 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9187 netdev_change_features+0x61/0xb0 net/core/dev.c:9259 bond_compute_features+0x502/0xa00 drivers/net/bonding/bond_main.c:1188 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3237 [inline] bond_netdev_event+0x81f/0xb30 drivers/net/bonding/bond_main.c:3277 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2027 call_netdevice_notifiers_extack net/core/dev.c:2039 [inline] call_netdevice_notifiers net/core/dev.c:2053 [inline] netdev_features_change net/core/dev.c:1443 [inline] netdev_sync_lower_features net/core/dev.c:9056 [inline] __netdev_update_features+0x88d/0x1360 net/core/dev.c:9187 netdev_change_features+0x61/0xb0 net/core/dev.c:9259 bond_compute_features+0x502/0xa00 drivers/net/bonding/bond_main.c:1188 Lost 536 message(s)! ---[ end trace 00f7ed0d29de9cad ]--- RIP: 0010:arch_stack_walk+0x0/0xf0 arch/x86/kernel/stacktrace.c:17 Code: 8b eb c0 e6 82 89 fa ee ee 8d 57 01 ee ee eb cd e6 81 eb f1 e6 87 eb ed e6 83 eb e9 cc cc cc cc cc cc cc cc cc cc cc cc cc cc <55> 48 89 e5 41 56 49 89 d6 41 55 49 89 cd 41 54 49 89 f4 53 48 89 RSP: 0018:ffffc90008b18000 EFLAGS: 00010246 RAX: 0000000000000000 RBX: fffff52001163001 RCX: 0000000000000000 RDX: ffff88802b30e480 RSI: ffffc90008b18028 RDI: ffffffff8162c090 RBP: 0000000000000cc0 R08: ffffed1006f83078 R09: ffffed1006f83094 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000cc0 R13: 0000000000000000 R14: ffff88821b77f8c0 R15: 00000000000000e0 FS: 00007f7369ba8700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90008b17ff8 CR3: 00000000a21ec000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400