BUG: stack guard page was hit at 000000007d49c61c (stack is 000000000d5c3699..000000001cf65c0d) kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 18499 Comm: syz-executor.0 Not tainted 5.9.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:hlock_class kernel/locking/lockdep.c:174 [inline] RIP: 0010:mark_lock+0x71/0x1710 kernel/locking/lockdep.c:3983 Code: 85 c0 0f 84 cf 00 00 00 45 31 ff 48 83 c4 20 44 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 8d 46 20 41 89 d4 48 89 fd 48 89 c2 <48> 89 04 24 49 89 f6 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f RSP: 0018:ffffc900059afff8 EFLAGS: 00010046 RAX: ffff888036e4e930 RBX: ffff888036e4e8cc RCX: ffffffff815a0536 RDX: ffff888036e4e930 RSI: ffff888036e4e910 RDI: ffff888036e4e000 RBP: ffff888036e4e000 R08: 0000000000000000 R09: ffffffff8c5f09ff R10: fffffbfff18be13f R11: 0000000000000000 R12: 0000000000000008 R13: ffff888036e4e932 R14: ffff888036e4e000 R15: ffff888036e4e8e8 FS: 00007f5e8db04700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900059afff8 CR3: 000000002feda000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mark_usage kernel/locking/lockdep.c:3931 [inline] __lock_acquire+0x8e5/0x5640 kernel/locking/lockdep.c:4380 lock_acquire+0x1f1/0xad0 kernel/locking/lockdep.c:5005 finish_lock_switch kernel/sched/core.c:3516 [inline] finish_task_switch+0x13f/0x750 kernel/sched/core.c:3617 context_switch kernel/sched/core.c:3781 [inline] __schedule+0x8ed/0x21e0 kernel/sched/core.c:4527 preempt_schedule_irq+0xb0/0x150 kernel/sched/core.c:4785 irqentry_exit_cond_resched kernel/entry/common.c:332 [inline] irqentry_exit_cond_resched kernel/entry/common.c:324 [inline] irqentry_exit+0x65/0x90 kernel/entry/common.c:362 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581 RIP: 0010:netdev_sync_lower_features net/core/dev.c:9359 [inline] RIP: 0010:__netdev_update_features+0x7da/0x1360 net/core/dev.c:9500 Code: e1 31 ff 49 d3 e6 49 89 df 4d 21 f7 4c 89 b4 24 a0 00 00 00 4c 89 fe e8 a4 0f 36 fb 4d 85 ff 75 9a e8 fa 12 36 fb 80 7d 00 00 <0f> 85 c5 09 00 00 4d 8b bd c8 00 00 00 31 ff 4d 21 f7 4c 89 fe e8 RSP: 0018:ffffc900059b04a8 EFLAGS: 00000246 RAX: 0000000000040000 RBX: 000020020fdd7be9 RCX: ffffc900063b2000 RDX: 0000000000040000 RSI: ffffffff863e2e86 RDI: 0000000000000007 RBP: ffffed1012f4b019 R08: 0000000000000001 R09: ffffffff8a7e5c27 R10: 0000000000000000 R11: 0000000000000001 R12: 000000000000000f R13: ffff888097a58000 R14: 0000000000008000 R15: 0000000000000000 netdev_change_features+0x61/0xb0 net/core/dev.c:9572 bond_compute_features+0x562/0xa80 drivers/net/bonding/bond_main.c:1308 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3361 [inline] bond_netdev_event+0x871/0xb80 drivers/net/bonding/bond_main.c:3401 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 bond_compute_features+0x562/0xa80 drivers/net/bonding/bond_main.c:1308 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3361 [inline] bond_netdev_event+0x871/0xb80 drivers/net/bonding/bond_main.c:3401 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 bond_compute_features+0x562/0xa80 drivers/net/bonding/bond_main.c:1308 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3361 [inline] bond_netdev_event+0x871/0xb80 drivers/net/bonding/bond_main.c:3401 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 bond_compute_features+0x562/0xa80 drivers/net/bonding/bond_main.c:1308 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3361 [inline] bond_netdev_event+0x871/0xb80 drivers/net/bonding/bond_main.c:3401 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 bond_compute_features+0x562/0xa80 drivers/net/bonding/bond_main.c:1308 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3361 [inline] bond_netdev_event+0x871/0xb80 drivers/net/bonding/bond_main.c:3401 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 bond_compute_features+0x562/0xa80 drivers/net/bonding/bond_main.c:1308 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3361 [inline] bond_netdev_event+0x871/0xb80 drivers/net/bonding/bond_main.c:3401 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 bond_compute_features+0x562/0xa80 drivers/net/bonding/bond_main.c:1308 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3361 [inline] bond_netdev_event+0x871/0xb80 drivers/net/bonding/bond_main.c:3401 Lost 509 message(s)! ---[ end trace 6922065dabf09ff8 ]--- RIP: 0010:hlock_class kernel/locking/lockdep.c:174 [inline] RIP: 0010:mark_lock+0x71/0x1710 kernel/locking/lockdep.c:3983 Code: 85 c0 0f 84 cf 00 00 00 45 31 ff 48 83 c4 20 44 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 8d 46 20 41 89 d4 48 89 fd 48 89 c2 <48> 89 04 24 49 89 f6 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f RSP: 0018:ffffc900059afff8 EFLAGS: 00010046 RAX: ffff888036e4e930 RBX: ffff888036e4e8cc RCX: ffffffff815a0536 RDX: ffff888036e4e930 RSI: ffff888036e4e910 RDI: ffff888036e4e000 RBP: ffff888036e4e000 R08: 0000000000000000 R09: ffffffff8c5f09ff R10: fffffbfff18be13f R11: 0000000000000000 R12: 0000000000000008 R13: ffff888036e4e932 R14: ffff888036e4e000 R15: ffff888036e4e8e8 FS: 00007f5e8db04700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900059afff8 CR3: 000000002feda000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400