BUG: TASK stack guard page was hit at ffffc9000c8f7f78 (stack is ffffc9000c8f8000..ffffc9000c900000) Oops: stack guard page: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 3902 Comm: syz.5.8862 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:__lock_acquire+0x81/0x2cf0 kernel/locking/lockdep.c:-1 Code: c9 44 0f 44 c1 31 ff 48 3d 10 65 31 94 41 0f 45 f8 8b 0d 72 52 d6 18 85 c9 0f 95 c0 83 fe 08 0f 92 c2 08 c2 0f 84 4d 01 00 00 <89> 7c 24 08 83 fe 01 77 0c 89 f0 49 8b 44 c3 08 48 85 c0 75 2d 31 RSP: 0018:ffffc9000c8f7f80 EFLAGS: 00010002 RAX: ffffffff9a7d1d00 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff8eb5a1e0 R12: 0000000000000002 R13: 0000000000000002 R14: ffff8880537e8000 R15: 0000000000000246 FS: 00007f5c499f66c0(0000) GS:ffff888125024000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000c8f7f78 CR3: 00000000651c0000 CR4: 00000000003526f0 Call Trace: lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5886 rcu_lock_acquire include/linux/rcupdate.h:300 [inline] rcu_read_lock include/linux/rcupdate.h:840 [inline] class_rcu_constructor include/linux/rcupdate.h:1183 [inline] unwind_next_frame+0xac/0x2550 arch/x86/kernel/unwind_orc.c:495 __unwind_start+0x514/0x660 arch/x86/kernel/unwind_orc.c:787 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0xe3/0x150 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 kasan_save_stack+0x3e/0x60 mm/kasan/common.c:57 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:556 __call_rcu_common kernel/rcu/tree.c:3159 [inline] call_rcu+0xee/0x8b0 kernel/rcu/tree.c:3279 refdst_drop include/net/dst.h:272 [inline] skb_dst_drop include/net/dst.h:284 [inline] __ip_vs_get_out_rt+0xae4/0x1420 net/netfilter/ipvs/ip_vs_xmit.c:426 ip_vs_dr_xmit+0xd9/0x9f0 net/netfilter/ipvs/ip_vs_xmit.c:1444 ip_vs_in_hook+0xe02/0x1c90 net/netfilter/ipvs/ip_vs_core.c:2254 nf_hook_entry_hookfn include/linux/netfilter.h:165 [inline] nf_hook_slow+0xc5/0x220 net/netfilter/core.c:619 nf_hook+0x22a/0x3a0 include/linux/netfilter.h:280 __ip_local_out+0x558/0x6a0 net/ipv4/ip_output.c:120 ip_local_out+0x2a/0x190 net/ipv4/ip_output.c:129 ipvlan_process_v4_outbound+0x448/0x740 drivers/net/ipvlan/ipvlan_core.c:461 ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:565 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:627 [inline] ipvlan_queue_xmit+0xabf/0x16b0 drivers/net/ipvlan/ipvlan_core.c:693 ipvlan_start_xmit+0x4a/0x130 drivers/net/ipvlan/ipvlan_main.c:280 __netdev_start_xmit include/linux/netdevice.h:5429 [inline] netdev_start_xmit include/linux/netdevice.h:5438 [inline] xmit_one net/core/dev.c:3937 [inline] dev_hard_start_xmit+0x2cd/0x830 net/core/dev.c:3953 __dev_queue_xmit+0x14c0/0x3820 net/core/dev.c:4926 dev_queue_xmit include/linux/netdevice.h:3461 [inline] neigh_hh_output include/net/neighbour.h:544 [inline] neigh_output include/net/neighbour.h:558 [inline] ip_finish_output2+0xbda/0x10b0 net/ipv4/ip_output.c:236 NF_HOOK_COND include/linux/netfilter.h:314 [inline] ip_output+0x29f/0x450 net/ipv4/ip_output.c:437 dst_output include/net/dst.h:471 [inline] NF_HOOK+0x605/0x660 include/linux/netfilter.h:325 ip_vs_send_or_cont net/netfilter/ipvs/ip_vs_xmit.c:710 [inline] ip_vs_dr_xmit+0x74a/0x9f0 net/netfilter/ipvs/ip_vs_xmit.c:1458 ip_vs_in_hook+0xe02/0x1c90 net/netfilter/ipvs/ip_vs_core.c:2254 nf_hook_entry_hookfn include/linux/netfilter.h:165 [inline] nf_hook_slow+0xc5/0x220 net/netfilter/core.c:619 nf_hook+0x22a/0x3a0 include/linux/netfilter.h:280 __ip_local_out+0x558/0x6a0 net/ipv4/ip_output.c:120 ip_local_out+0x2a/0x190 net/ipv4/ip_output.c:129 ipvlan_process_v4_outbound+0x448/0x740 drivers/net/ipvlan/ipvlan_core.c:461 ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:565 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:627 [inline] ipvlan_queue_xmit+0xabf/0x16b0 drivers/net/ipvlan/ipvlan_core.c:693 ipvlan_start_xmit+0x4a/0x130 drivers/net/ipvlan/ipvlan_main.c:280 __netdev_start_xmit include/linux/netdevice.h:5429 [inline] netdev_start_xmit include/linux/netdevice.h:5438 [inline] xmit_one net/core/dev.c:3937 [inline] dev_hard_start_xmit+0x2cd/0x830 net/core/dev.c:3953 __dev_queue_xmit+0x14c0/0x3820 net/core/dev.c:4926 dev_queue_xmit include/linux/netdevice.h:3461 [inline] neigh_hh_output include/net/neighbour.h:544 [inline] neigh_output include/net/neighbour.h:558 [inline] ip_finish_output2+0xbda/0x10b0 net/ipv4/ip_output.c:236 NF_HOOK_COND include/linux/netfilter.h:314 [inline] ip_output+0x29f/0x450 net/ipv4/ip_output.c:437 dst_output include/net/dst.h:471 [inline] NF_HOOK+0x605/0x660 include/linux/netfilter.h:325 ip_vs_send_or_cont net/netfilter/ipvs/ip_vs_xmit.c:710 [inline] ip_vs_dr_xmit+0x74a/0x9f0 net/netfilter/ipvs/ip_vs_xmit.c:1458 ip_vs_in_hook+0xe02/0x1c90 net/netfilter/ipvs/ip_vs_core.c:2254 nf_hook_entry_hookfn include/linux/netfilter.h:165 [inline] nf_hook_slow+0xc5/0x220 net/netfilter/core.c:619 nf_hook+0x22a/0x3a0 include/linux/netfilter.h:280 __ip_local_out+0x558/0x6a0 net/ipv4/ip_output.c:120 ip_local_out+0x2a/0x190 net/ipv4/ip_output.c:129 ipvlan_process_v4_outbound+0x448/0x740 drivers/net/ipvlan/ipvlan_core.c:461 ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:565 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:627 [inline] ipvlan_queue_xmit+0xabf/0x16b0 drivers/net/ipvlan/ipvlan_core.c:693 ipvlan_start_xmit+0x4a/0x130 drivers/net/ipvlan/ipvlan_main.c:280 __netdev_start_xmit include/linux/netdevice.h:5429 [inline] netdev_start_xmit include/linux/netdevice.h:5438 [inline] xmit_one net/core/dev.c:3937 [inline] dev_hard_start_xmit+0x2cd/0x830 net/core/dev.c:3953 __dev_queue_xmit+0x14c0/0x3820 net/core/dev.c:4926 dev_queue_xmit include/linux/netdevice.h:3461 [inline] neigh_hh_output include/net/neighbour.h:544 [inline] neigh_output include/net/neighbour.h:558 [inline] ip_finish_output2+0xbda/0x10b0 net/ipv4/ip_output.c:236 NF_HOOK_COND include/linux/netfilter.h:314 [inline] ip_output+0x29f/0x450 net/ipv4/ip_output.c:437 dst_output include/net/dst.h:471 [inline] NF_HOOK+0x605/0x660 include/linux/netfilter.h:325 ip_vs_send_or_cont net/netfilter/ipvs/ip_vs_xmit.c:710 [inline] ip_vs_dr_xmit+0x74a/0x9f0 net/netfilter/ipvs/ip_vs_xmit.c:1458 ip_vs_in_hook+0xe02/0x1c90 net/netfilter/ipvs/ip_vs_core.c:2254 nf_hook_entry_hookfn include/linux/netfilter.h:165 [inline] nf_hook_slow+0xc5/0x220 net/netfilter/core.c:619 nf_hook+0x22a/0x3a0 include/linux/netfilter.h:280 __ip_local_out+0x558/0x6a0 net/ipv4/ip_output.c:120 ip_local_out+0x2a/0x190 net/ipv4/ip_output.c:129 ipvlan_process_v4_outbound+0x448/0x740 drivers/net/ipvlan/ipvlan_core.c:461 ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:565 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:627 [inline] ipvlan_queue_xmit+0xabf/0x16b0 drivers/net/ipvlan/ipvlan_core.c:693 ipvlan_start_xmit+0x4a/0x130 drivers/net/ipvlan/ipvlan_main.c:280 __netdev_start_xmit include/linux/netdevice.h:5429 [inline] netdev_start_xmit include/linux/netdevice.h:5438 [inline] xmit_one net/core/dev.c:3937 [inline] dev_hard_start_xmit+0x2cd/0x830 net/core/dev.c:3953 __dev_queue_xmit+0x14c0/0x3820 net/core/dev.c:4926 dev_queue_xmit include/linux/netdevice.h:3461 [inline] neigh_hh_output include/net/neighbour.h:544 [inline] neigh_output include/net/neighbour.h:558 [inline] ip_finish_output2+0xbda/0x10b0 net/ipv4/ip_output.c:236 NF_HOOK_COND include/linux/netfilter.h:314 [inline] ip_output+0x29f/0x450 net/ipv4/ip_output.c:437 dst_output include/net/dst.h:471 [inline] NF_HOOK+0x605/0x660 include/linux/netfilter.h:325 ip_vs_send_or_cont net/netfilter/ipvs/ip_vs_xmit.c:710 [inline] ip_vs_dr_xmit+0x74a/0x9f0 net/netfilter/ipvs/ip_vs_xmit.c:1458 ip_vs_in_hook+0xe02/0x1c90 net/netfilter/ipvs/ip_vs_core.c:2254 nf_hook_entry_hookfn include/linux/netfilter.h:165 [inline] nf_hook_slow+0xc5/0x220 net/netfilter/core.c:619 nf_hook+0x22a/0x3a0 include/linux/netfilter.h:280 __ip_local_out+0x558/0x6a0 net/ipv4/ip_output.c:120 ip_local_out+0x2a/0x190 net/ipv4/ip_output.c:129 ipvlan_process_v4_outbound+0x448/0x740 drivers/net/ipvlan/ipvlan_core.c:461 ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:565 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:627 [inline] ipvlan_queue_xmit+0xabf/0x16b0 drivers/net/ipvlan/ipvlan_core.c:693 ipvlan_start_xmit+0x4a/0x130 drivers/net/ipvlan/ipvlan_main.c:280 __netdev_start_xmit include/linux/netdevice.h:5429 [inline] netdev_start_xmit include/linux/netdevice.h:5438 [inline] xmit_one net/core/dev.c:3937 [inline] dev_hard_start_xmit+0x2cd/0x830 net/core/dev.c:3953 __dev_queue_xmit+0x14c0/0x3820 net/core/dev.c:4926 dev_queue_xmit include/linux/netdevice.h:3461 [inline] neigh_hh_output include/net/neighbour.h:544 [inline] neigh_output include/net/neighbour.h:558 [inline] ip_finish_output2+0xbda/0x10b0 net/ipv4/ip_output.c:236 NF_HOOK_COND include/linux/netfilter.h:314 [inline] ip_output+0x29f/0x450 net/ipv4/ip_output.c:437 dst_output include/net/dst.h:471 [inline] NF_HOOK+0x605/0x660 include/linux/netfilter.h:325 ip_vs_send_or_cont net/netfilter/ipvs/ip_vs_xmit.c:710 [inline] ip_vs_dr_xmit+0x74a/0x9f0 net/netfilter/ipvs/ip_vs_xmit.c:1458 ip_vs_in_hook+0xe02/0x1c90 net/netfilter/ipvs/ip_vs_core.c:2254 nf_hook_entry_hookfn include/linux/netfilter.h:165 [inline] nf_hook_slow+0xc5/0x220 net/netfilter/core.c:619 nf_hook+0x22a/0x3a0 include/linux/netfilter.h:280 __ip_local_out+0x558/0x6a0 net/ipv4/ip_output.c:120 ip_local_out+0x2a/0x190 net/ipv4/ip_output.c:129 ipvlan_process_v4_outbound+0x448/0x740 drivers/net/ipvlan/ipvlan_core.c:461 ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:565 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:627 [inline] ipvlan_queue_xmit+0xabf/0x16b0 drivers/net/ipvlan/ipvlan_core.c:693 ipvlan_start_xmit+0x4a/0x130 drivers/net/ipvlan/ipvlan_main.c:280 __netdev_start_xmit include/linux/netdevice.h:5429 [inline] netdev_start_xmit include/linux/netdevice.h:5438 [inline] xmit_one net/core/dev.c:3937 [inline] dev_hard_start_xmit+0x2cd/0x830 net/core/dev.c:3953 __dev_queue_xmit+0x14c0/0x3820 net/core/dev.c:4926 dev_queue_xmit include/linux/netdevice.h:3461 [inline] neigh_hh_output include/net/neighbour.h:544 [inline] neigh_output include/net/neighbour.h:558 [inline] ip_finish_output2+0xbda/0x10b0 net/ipv4/ip_output.c:236 NF_HOOK_COND include/linux/netfilter.h:314 [inline] ip_output+0x29f/0x450 net/ipv4/ip_output.c:437 dst_output include/net/dst.h:471 [inline] NF_HOOK+0x605/0x660 include/linux/netfilter.h:325 ip_vs_send_or_cont net/netfilter/ipvs/ip_vs_xmit.c:710 [inline] ip_vs_dr_xmit+0x74a/0x9f0 net/netfilter/ipvs/ip_vs_xmit.c:1458 ip_vs_in_hook+0xe02/0x1c90 net/netfilter/ipvs/ip_vs_core.c:2254 nf_hook_entry_hookfn include/linux/netfilter.h:165 [inline] nf_hook_slow+0xc5/0x220 net/netfilter/core.c:619 nf_hook+0x22a/0x3a0 include/linux/netfilter.h:280 __ip_local_out+0x558/0x6a0 net/ipv4/ip_output.c:120 ip_local_out+0x2a/0x190 net/ipv4/ip_output.c:129 ipvlan_process_v4_outbound+0x448/0x740 drivers/net/ipvlan/ipvlan_core.c:461 ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:565 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:627 [inline] ipvlan_queue_xmit+0xabf/0x16b0 drivers/net/ipvlan/ipvlan_core.c:693 ipvlan_start_xmit+0x4a/0x130 drivers/net/ipvlan/ipvlan_main.c:280 __netdev_start_xmit include/linux/netdevice.h:5429 [inline] netdev_start_xmit include/linux/netdevice.h:5438 [inline] xmit_one net/core/dev.c:3937 [inline] dev_hard_start_xmit+0x2cd/0x830 net/core/dev.c:3953 __dev_queue_xmit+0x14c0/0x3820 net/core/dev.c:4926 dev_queue_xmit include/linux/netdevice.h:3461 [inline] neigh_hh_output include/net/neighbour.h:544 [inline] neigh_output include/net/neighbour.h:558 [inline] ip_finish_output2+0xbda/0x10b0 net/ipv4/ip_output.c:236 NF_HOOK_COND include/linux/netfilter.h:314 [inline] ip_output+0x29f/0x450 net/ipv4/ip_output.c:437 dst_output include/net/dst.h:471 [inline] NF_HOOK+0x605/0x660 include/linux/netfilter.h:325 ip_vs_send_or_cont net/netfilter/ipvs/ip_vs_xmit.c:710 [inline] ip_vs_dr_xmit+0x74a/0x9f0 net/netfilter/ipvs/ip_vs_xmit.c:1458 ip_vs_in_hook+0xe02/0x1c90 net/netfilter/ipvs/ip_vs_core.c:2254 nf_hook_entry_hookfn include/linux/netfilter.h:165 [inline] nf_hook_slow+0xc5/0x220 net/netfilter/core.c:619 nf_hook+0x22a/0x3a0 include/linux/netfilter.h:280 __ip_local_out+0x558/0x6a0 net/ipv4/ip_output.c:120 ip_local_out+0x2a/0x190 net/ipv4/ip_output.c:129 ipvlan_process_v4_outbound+0x448/0x740 drivers/net/ipvlan/ipvlan_core.c:461 ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:565 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:627 [inline] ipvlan_queue_xmit+0xabf/0x16b0 drivers/net/ipvlan/ipvlan_core.c:693 ipvlan_start_xmit+0x4a/0x130 drivers/net/ipvlan/ipvlan_main.c:280 __netdev_start_xmit include/linux/netdevice.h:5429 [inline] netdev_start_xmit include/linux/netdevice.h:5438 [inline] xmit_one net/core/dev.c:3937 [inline] dev_hard_start_xmit+0x2cd/0x830 net/core/dev.c:3953 __dev_queue_xmit+0x14c0/0x3820 net/core/dev.c:4926 dev_queue_xmit include/linux/netdevice.h:3461 [inline] neigh_hh_output include/net/neighbour.h:544 [inline] neigh_output include/net/neighbour.h:558 [inline] ip_finish_output2+0xbda/0x10b0 net/ipv4/ip_output.c:236 NF_HOOK_COND include/linux/netfilter.h:314 [inline] ip_output+0x29f/0x450 net/ipv4/ip_output.c:437 dst_output include/net/dst.h:471 [inline] NF_HOOK+0x605/0x660 include/linux/netfilter.h:325 ip_vs_send_or_cont net/netfilter/ipvs/ip_vs_xmit.c:710 [inline] ip_vs_dr_xmit+0x74a/0x9f0 net/netfilter/ipvs/ip_vs_xmit.c:1458 ip_vs_in_hook+0xe02/0x1c90 net/netfilter/ipvs/ip_vs_core.c:2254 nf_hook_entry_hookfn include/linux/netfilter.h:165 [inline] nf_hook_slow+0xc5/0x220 net/netfilter/core.c:619 nf_hook+0x22a/0x3a0 include/linux/netfilter.h:280 __ip_local_out+0x558/0x6a0 net/ipv4/ip_output.c:120 ip_local_out+0x2a/0x190 net/ipv4/ip_output.c:129 ipvlan_process_v4_outbound+0x448/0x740 drivers/net/ipvlan/ipvlan_core.c:461 ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:565 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:627 [inline] ipvlan_queue_xmit+0xabf/0x16b0 drivers/net/ipvlan/ipvlan_core.c:693 ipvlan_start_xmit+0x4a/0x130 drivers/net/ipvlan/ipvlan_main.c:280 __netdev_start_xmit include/linux/netdevice.h:5429 [inline] netdev_start_xmit include/linux/netdevice.h:5438 [inline] xmit_one net/core/dev.c:3937 [inline] dev_hard_start_xmit+0x2cd/0x830 net/core/dev.c:3953 __dev_queue_xmit+0x14c0/0x3820 net/core/dev.c:4926 dev_queue_xmit include/linux/netdevice.h:3461 [inline] neigh_hh_output include/net/neighbour.h:544 [inline] neigh_output include/net/neighbour.h:558 [inline] ip_finish_output2+0xbda/0x10b0 net/ipv4/ip_output.c:236 NF_HOOK_COND include/linux/netfilter.h:314 [inline] ip_output+0x29f/0x450 net/ipv4/ip_output.c:437 dst_output include/net/dst.h:471 [inline] NF_HOOK+0x605/0x660 include/linux/netfilter.h:325 ip_vs_send_or_cont net/netfilter/ipvs/ip_vs_xmit.c:710 [inline] ip_vs_dr_xmit+0x74a/0x9f0 net/netfilter/ipvs/ip_vs_xmit.c:1458 ip_vs_in_hook+0xe02/0x1c90 net/netfilter/ipvs/ip_vs_core.c:2254 nf_hook_entry_hookfn include/linux/netfilter.h:165 [inline] nf_hook_slow+0xc5/0x220 net/netfilter/core.c:619 nf_hook+0x22a/0x3a0 include/linux/netfilter.h:280 __ip_local_out+0x558/0x6a0 net/ipv4/ip_output.c:120 ip_local_out+0x2a/0x190 net/ipv4/ip_output.c:129 __ip_queue_xmit+0x10df/0x1b10 net/ipv4/ip_output.c:533 __tcp_transmit_skb+0x2d18/0x47c0 net/ipv4/tcp_output.c:1717 tcp_transmit_skb net/ipv4/tcp_output.c:1734 [inline] tcp_connect+0x22e4/0x54e0 net/ipv4/tcp_output.c:4383 tcp_v4_connect+0x1051/0x1950 net/ipv4/tcp_ipv4.c:345 __inet_stream_connect+0x258/0xe00 net/ipv4/af_inet.c:684 inet_stream_connect+0x66/0xa0 net/ipv4/af_inet.c:755 connect_socket net/socket.c:2141 [inline] __sys_connect_file net/socket.c:2166 [inline] __sys_connect+0x316/0x450 net/socket.c:2183 __do_sys_connect net/socket.c:2189 [inline] __se_sys_connect net/socket.c:2186 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:2186 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5c4b79e0d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5c499f6028 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007f5c4ba25fa0 RCX: 00007f5c4b79e0d9 RDX: 0000000000000010 RSI: 0000200000000200 RDI: 0000000000000006 RBP: 00007f5c4b835024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f5c4ba26038 R14: 00007f5c4ba25fa0 R15: 00007fff932afd38 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0x81/0x2cf0 kernel/locking/lockdep.c:-1 Code: c9 44 0f 44 c1 31 ff 48 3d 10 65 31 94 41 0f 45 f8 8b 0d 72 52 d6 18 85 c9 0f 95 c0 83 fe 08 0f 92 c2 08 c2 0f 84 4d 01 00 00 <89> 7c 24 08 83 fe 01 77 0c 89 f0 49 8b 44 c3 08 48 85 c0 75 2d 31 RSP: 0018:ffffc9000c8f7f80 EFLAGS: 00010002 RAX: ffffffff9a7d1d00 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff8eb5a1e0 R12: 0000000000000002 R13: 0000000000000002 R14: ffff8880537e8000 R15: 0000000000000246 FS: 00007f5c499f66c0(0000) GS:ffff888125024000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000c8f7f78 CR3: 00000000651c0000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: c9 leave 1: 44 0f 44 c1 cmove %ecx,%r8d 5: 31 ff xor %edi,%edi 7: 48 3d 10 65 31 94 cmp $0xffffffff94316510,%rax d: 41 0f 45 f8 cmovne %r8d,%edi 11: 8b 0d 72 52 d6 18 mov 0x18d65272(%rip),%ecx # 0x18d65289 17: 85 c9 test %ecx,%ecx 19: 0f 95 c0 setne %al 1c: 83 fe 08 cmp $0x8,%esi 1f: 0f 92 c2 setb %dl 22: 08 c2 or %al,%dl 24: 0f 84 4d 01 00 00 je 0x177 * 2a: 89 7c 24 08 mov %edi,0x8(%rsp) <-- trapping instruction 2e: 83 fe 01 cmp $0x1,%esi 31: 77 0c ja 0x3f 33: 89 f0 mov %esi,%eax 35: 49 8b 44 c3 08 mov 0x8(%r11,%rax,8),%rax 3a: 48 85 c0 test %rax,%rax 3d: 75 2d jne 0x6c 3f: 31 .byte 0x31