====================================== | [ 1342.602436][ T38] br0: port 2(veth2) entered forwarding state | [ 1537.309909][ T8442] ------------[ cut here ]------------ | [ 1537.310457][ T8442] WARNING: CPU: 0 PID: 8442 at net/bridge/br_multicast.c:1388 br_ip4_multicast_assert_inactive (net/bridge/br_multicast.c:1388 net/bridge/br_multicast.c:1386) bridge | [ 1537.311248][ T8442] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel ip6_gre ip6_tunnel tunnel6 act_gact cls_flower sch_ingress ip_gre gre 8021q act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf vrf veth [ 1537.313071][ T8442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1537.313491][ T8442] RIP: 0010:br_ip4_multicast_assert_inactive (net/bridge/br_multicast.c:1388 net/bridge/br_multicast.c:1386) bridge [ 1537.314021][ T8442] Code: 0f b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 1d 0f b6 9b 00 02 00 00 80 fb 01 0f 87 83 15 05 00 83 e3 01 75 02 5b c3 90 <0f> 0b 90 5b c3 e8 2b 33 63 f9 eb dc 66 0f 1f 84 00 00 00 00 00 48 All code ======== 0: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 4: 48 89 fa mov %rdi,%rdx 7: 83 e2 07 and $0x7,%edx a: 38 d0 cmp %dl,%al c: 7f 04 jg 0x12 e: 84 c0 test %al,%al 10: 75 1d jne 0x2f 12: 0f b6 9b 00 02 00 00 movzbl 0x200(%rbx),%ebx 19: 80 fb 01 cmp $0x1,%bl 1c: 0f 87 83 15 05 00 ja 0x515a5 22: 83 e3 01 and $0x1,%ebx 25: 75 02 jne 0x29 27: 5b pop %rbx 28: c3 ret 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 5b pop %rbx 2e: c3 ret 2f: e8 2b 33 63 f9 call 0xfffffffff963335f 34: eb dc jmp 0x12 36: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3d: 00 00 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 5b pop %rbx 4: c3 ret 5: e8 2b 33 63 f9 call 0xfffffffff9633335 a: eb dc jmp 0xffffffffffffffe8 c: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 13: 00 00 15: 48 rex.W [ 1537.315194][ T8442] RSP: 0018:ffffc90007cd7350 EFLAGS: 00010202 [ 1537.315609][ T8442] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 1ffff1100186d667 [ 1537.316114][ T8442] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88800c36b180 [ 1537.316608][ T8442] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffed100186d5b2 [ 1537.317099][ T8442] R10: ffff88800c36ad97 R11: ffff88800c36b368 R12: 0000000000000001 [ 1537.317917][ T8442] R13: ffff88800c36af80 R14: 0000000000000001 R15: ffff88800c36ad90 [ 1537.318417][ T8442] FS: 00007fd08bf05800(0000) GS:ffff888078c16000(0000) knlGS:0000000000000000 [ 1537.318988][ T8442] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1537.319405][ T8442] CR2: 0000000000447b60 CR3: 000000000def7005 CR4: 0000000000772ef0 [ 1537.319893][ T8442] PKRU: 55555554 [ 1537.320158][ T8442] Call Trace: [ 1537.320409][ T8442] [ 1537.320580][ T8442] __br_multicast_stop (net/bridge/br_multicast.c:1399 net/bridge/br_multicast.c:4458) bridge [ 1537.320943][ T8442] br_multicast_toggle_vlan_snooping (net/bridge/br_multicast.c:4585) bridge [ 1537.321385][ T8442] br_boolopt_multi_toggle (net/bridge/br.c:330 (discriminator 3)) bridge [ 1537.321824][ T8442] br_changelink (net/bridge/br_netlink.c:1545) bridge [ 1537.322185][ T8442] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 1537.322518][ T8442] ? br_get_size (net/bridge/br_netlink.c:1280) bridge [ 1537.322877][ T8442] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760) [ 1537.323208][ T8442] ? validate_nla (lib/nlattr.c:580) [ 1537.323531][ T8442] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 1537.323857][ T8442] ? reacquire_held_locks (kernel/locking/lockdep.c:5385) [ 1537.324191][ T8442] ? ww_mutex_lock (kernel/locking/mutex.c:759) [ 1537.324513][ T8442] __rtnl_newlink (net/core/rtnetlink.c:3725 net/core/rtnetlink.c:3920) [ 1537.324850][ T8442] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 1537.325209][ T8442] ? __rtnl_newlink (net/core/rtnetlink.c:3948) [ 1537.325542][ T8442] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 1537.325869][ T8442] ? __lock_release (kernel/locking/lockdep.c:5536) [ 1537.326203][ T8442] ? __rtnl_newlink (net/core/rtnetlink.c:3948) [ 1537.326524][ T8442] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 1537.326854][ T8442] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 1537.327184][ T8442] ? rtnl_port_fill (net/core/rtnetlink.c:6849) [ 1537.327509][ T8442] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1537.327844][ T8442] netlink_rcv_skb (net/netlink/af_netlink.c:2552) [ 1537.328179][ T8442] ? rtnl_port_fill (net/core/rtnetlink.c:6849) [ 1537.328501][ T8442] ? netlink_ack (net/netlink/af_netlink.c:2529) [ 1537.328845][ T8442] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 1537.329175][ T8442] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 1537.329500][ T8442] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 1537.329831][ T8442] ? netlink_attachskb (net/netlink/af_netlink.c:1331) [ 1537.330163][ T8442] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1537.330507][ T8442] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 1537.330839][ T8442] ? netlink_unicast (net/netlink/af_netlink.c:1815) [ 1537.331170][ T8442] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 1537.331495][ T8442] ? netlink_unicast (net/netlink/af_netlink.c:1815) [ 1537.331823][ T8442] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 1537.332160][ T8442] ? get_timestamp.constprop.0 (net/socket.c:2560) [ 1537.332559][ T8442] ? __copy_msghdr (net/socket.c:2540) [ 1537.332897][ T8442] ___sys_sendmsg (net/socket.c:2670) [ 1537.333235][ T8442] ? copy_msghdr_from_user (net/socket.c:2657) [ 1537.333558][ T8442] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 1537.333891][ T8442] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 1537.334219][ T8442] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 1537.334542][ T8442] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1537.334879][ T8442] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 1537.335211][ T8442] __sys_sendmsg (net/socket.c:2700) [ 1537.335535][ T8442] ? __sys_sendmsg_sock (net/socket.c:2685) [ 1537.335871][ T8442] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 1537.336207][ T8442] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 1537.336531][ T8442] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1537.336930][ T8442] RIP: 0033:0x7fd08c0d21e7 [ 1537.337276][ T8442] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 1537.338440][ T8442] RSP: 002b:00007ffe7240e008 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1537.338935][ T8442] RAX: ffffffffffffffda RBX: 00007ffe7240e730 RCX: 00007fd08c0d21e7 [ 1537.339425][ T8442] RDX: 0000000000000000 RSI: 00007ffe7240e070 RDI: 0000000000000005 [ 1537.339915][ T8442] RBP: 000000000000000c R08: 0000000000000068 R09: 0000000000000000 [ 1537.340418][ T8442] R10: 00007fd08c160ac0 R11: 0000000000000246 R12: 00007ffe7240e750 [ 1537.340909][ T8442] R13: 0000000068b1cd1b R14: 0000000000499600 R15: 00007ffe7240e150 | [ 1537.344804][ T8442] ------------[ cut here ]------------ | [ 1537.345131][ T8442] WARNING: CPU: 0 PID: 8442 at net/bridge/br_multicast.c:1393 br_ip6_multicast_assert_inactive (net/bridge/br_multicast.c:1393 net/bridge/br_multicast.c:1391) bridge | [ 1537.345880][ T8442] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel ip6_gre ip6_tunnel tunnel6 act_gact cls_flower sch_ingress ip_gre gre 8021q act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf vrf veth | [ 1537.347756][ T8442] Tainted: [W]=WARN [ 1537.348009][ T8442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1537.348421][ T8442] RIP: 0010:br_ip6_multicast_assert_inactive (net/bridge/br_multicast.c:1393 net/bridge/br_multicast.c:1391) bridge [ 1537.348951][ T8442] Code: 0f b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 1d 0f b6 9b b8 03 00 00 80 fb 01 0f 87 bb 1e 05 00 83 e3 01 75 02 5b c3 90 <0f> 0b 90 5b c3 e8 8b 3c 63 f9 eb dc 66 0f 1f 84 00 00 00 00 00 f3 All code ======== 0: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 4: 48 89 fa mov %rdi,%rdx 7: 83 e2 07 and $0x7,%edx a: 38 d0 cmp %dl,%al c: 7f 04 jg 0x12 e: 84 c0 test %al,%al 10: 75 1d jne 0x2f 12: 0f b6 9b b8 03 00 00 movzbl 0x3b8(%rbx),%ebx 19: 80 fb 01 cmp $0x1,%bl 1c: 0f 87 bb 1e 05 00 ja 0x51edd 22: 83 e3 01 and $0x1,%ebx 25: 75 02 jne 0x29 27: 5b pop %rbx 28: c3 ret 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 5b pop %rbx 2e: c3 ret 2f: e8 8b 3c 63 f9 call 0xfffffffff9633cbf 34: eb dc jmp 0x12 36: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3d: 00 00 3f: f3 repz Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 5b pop %rbx 4: c3 ret 5: e8 8b 3c 63 f9 call 0xfffffffff9633c95 a: eb dc jmp 0xffffffffffffffe8 c: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 13: 00 00 15: f3 repz [ 1537.350106][ T8442] RSP: 0018:ffffc90007cd7350 EFLAGS: 00010202 [ 1537.350520][ T8442] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 1ffff1100186d667 [ 1537.351013][ T8442] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88800c36b338 [ 1537.351502][ T8442] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffed100186d5b2 [ 1537.351989][ T8442] R10: ffff88800c36ad97 R11: ffff88800c36b368 R12: 0000000000000001 [ 1537.352477][ T8442] R13: ffff88800c36af80 R14: 0000000000000001 R15: ffff88800c36ad90 [ 1537.352970][ T8442] FS: 00007fd08bf05800(0000) GS:ffff888078c16000(0000) knlGS:0000000000000000 [ 1537.353538][ T8442] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1537.353948][ T8442] CR2: 0000000000447b60 CR3: 000000000def7005 CR4: 0000000000772ef0 [ 1537.354438][ T8442] PKRU: 55555554 [ 1537.354687][ T8442] Call Trace: [ 1537.354926][ T8442] [ 1537.355099][ T8442] __br_multicast_stop (net/bridge/br_multicast.c:4459) bridge [ 1537.355455][ T8442] br_multicast_toggle_vlan_snooping (net/bridge/br_multicast.c:4585) bridge [ 1537.355891][ T8442] br_boolopt_multi_toggle (net/bridge/br.c:330 (discriminator 3)) bridge [ 1537.356331][ T8442] br_changelink (net/bridge/br_netlink.c:1545) bridge [ 1537.356688][ T8442] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 1537.357014][ T8442] ? br_get_size (net/bridge/br_netlink.c:1280) bridge [ 1537.357370][ T8442] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760) [ 1537.357707][ T8442] ? validate_nla (lib/nlattr.c:580) [ 1537.358029][ T8442] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 1537.358362][ T8442] ? reacquire_held_locks (kernel/locking/lockdep.c:5385) [ 1537.358691][ T8442] ? ww_mutex_lock (kernel/locking/mutex.c:759) [ 1537.359017][ T8442] __rtnl_newlink (net/core/rtnetlink.c:3725 net/core/rtnetlink.c:3920) [ 1537.359356][ T8442] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 1537.359691][ T8442] ? __rtnl_newlink (net/core/rtnetlink.c:3948) [ 1537.360025][ T8442] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 1537.360364][ T8442] ? __lock_release (kernel/locking/lockdep.c:5536) [ 1537.360703][ T8442] ? __rtnl_newlink (net/core/rtnetlink.c:3948) [ 1537.361023][ T8442] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 1537.361356][ T8442] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 1537.361684][ T8442] ? rtnl_port_fill (net/core/rtnetlink.c:6849) [ 1537.362009][ T8442] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1537.362345][ T8442] netlink_rcv_skb (net/netlink/af_netlink.c:2552) [ 1537.362675][ T8442] ? rtnl_port_fill (net/core/rtnetlink.c:6849) [ 1537.363005][ T8442] ? netlink_ack (net/netlink/af_netlink.c:2529) [ 1537.363354][ T8442] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 1537.363679][ T8442] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 1537.364003][ T8442] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 1537.364341][ T8442] ? netlink_attachskb (net/netlink/af_netlink.c:1331) [ 1537.364671][ T8442] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1537.364997][ T8442] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 1537.365332][ T8442] ? netlink_unicast (net/netlink/af_netlink.c:1815) [ 1537.365672][ T8442] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 1537.365998][ T8442] ? netlink_unicast (net/netlink/af_netlink.c:1815) [ 1537.366334][ T8442] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 1537.366666][ T8442] ? get_timestamp.constprop.0 (net/socket.c:2560) [ 1537.367059][ T8442] ? __copy_msghdr (net/socket.c:2540) [ 1537.367401][ T8442] ___sys_sendmsg (net/socket.c:2670) [ 1537.367730][ T8442] ? copy_msghdr_from_user (net/socket.c:2657) [ 1537.368059][ T8442] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 1537.368393][ T8442] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 1537.369002][ T8442] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 1537.369340][ T8442] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1537.369676][ T8442] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 1537.370001][ T8442] __sys_sendmsg (net/socket.c:2700) [ 1537.370583][ T8442] ? __sys_sendmsg_sock (net/socket.c:2685) [ 1537.370920][ T8442] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 1537.371261][ T8442] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 1537.371588][ T8442] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1537.372235][ T8442] RIP: 0033:0x7fd08c0d21e7 [ 1537.372571][ T8442] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 1537.373990][ T8442] RSP: 002b:00007ffe7240e008 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1537.374476][ T8442] RAX: ffffffffffffffda RBX: 00007ffe7240e730 RCX: 00007fd08c0d21e7 [ 1537.375209][ T8442] RDX: 0000000000000000 RSI: 00007ffe7240e070 RDI: 0000000000000005 [ 1537.375693][ T8442] RBP: 000000000000000c R08: 0000000000000068 R09: 0000000000000000 [ 1537.376179][ T8442] R10: 00007fd08c160ac0 R11: 0000000000000246 R12: 00007ffe7240e750 [ 1537.376904][ T8442] R13: 0000000068b1cd1b R14: 0000000000499600 R15: 00007ffe7240e150 | [ 1548.624368][ T8466] ------------[ cut here ]------------ | [ 1548.624795][ T8466] WARNING: CPU: 2 PID: 8466 at net/bridge/br_multicast.c:1388 br_ip4_multicast_assert_inactive (net/bridge/br_multicast.c:1388 net/bridge/br_multicast.c:1386) bridge | [ 1548.625632][ T8466] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel ip6_gre ip6_tunnel tunnel6 act_gact cls_flower sch_ingress ip_gre gre 8021q act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf vrf veth | [ 1548.627611][ T8466] Tainted: [W]=WARN [ 1548.627879][ T8466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1548.628327][ T8466] RIP: 0010:br_ip4_multicast_assert_inactive (net/bridge/br_multicast.c:1388 net/bridge/br_multicast.c:1386) bridge [ 1548.628875][ T8466] Code: 0f b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 1d 0f b6 9b 00 02 00 00 80 fb 01 0f 87 83 15 05 00 83 e3 01 75 02 5b c3 90 <0f> 0b 90 5b c3 e8 2b 33 63 f9 eb dc 66 0f 1f 84 00 00 00 00 00 48 All code ======== 0: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 4: 48 89 fa mov %rdi,%rdx 7: 83 e2 07 and $0x7,%edx a: 38 d0 cmp %dl,%al c: 7f 04 jg 0x12 e: 84 c0 test %al,%al 10: 75 1d jne 0x2f 12: 0f b6 9b 00 02 00 00 movzbl 0x200(%rbx),%ebx 19: 80 fb 01 cmp $0x1,%bl 1c: 0f 87 83 15 05 00 ja 0x515a5 22: 83 e3 01 and $0x1,%ebx 25: 75 02 jne 0x29 27: 5b pop %rbx 28: c3 ret 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 5b pop %rbx 2e: c3 ret 2f: e8 2b 33 63 f9 call 0xfffffffff963335f 34: eb dc jmp 0x12 36: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3d: 00 00 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 5b pop %rbx 4: c3 ret 5: e8 2b 33 63 f9 call 0xfffffffff9633335 a: eb dc jmp 0xffffffffffffffe8 c: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 13: 00 00 15: 48 rex.W [ 1548.630097][ T8466] RSP: 0018:ffffc90007d97350 EFLAGS: 00010202 [ 1548.630551][ T8466] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 1ffff1100186d667 [ 1548.631057][ T8466] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88800c36b180 [ 1548.631583][ T8466] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffed100186d5b2 [ 1548.632104][ T8466] R10: ffff88800c36ad97 R11: ffff88800c36b368 R12: 0000000000000001 [ 1548.632623][ T8466] R13: ffff88800c36af80 R14: 0000000000000001 R15: ffff88800c36ad90 [ 1548.633139][ T8466] FS: 00007f68ad321800(0000) GS:ffff888078d16000(0000) knlGS:0000000000000000 [ 1548.633744][ T8466] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1548.634186][ T8466] CR2: 00007f68ad421130 CR3: 000000000fac9001 CR4: 0000000000772ef0 [ 1548.634719][ T8466] PKRU: 55555554 [ 1548.634985][ T8466] Call Trace: [ 1548.635258][ T8466] [ 1548.635440][ T8466] __br_multicast_stop (net/bridge/br_multicast.c:1399 net/bridge/br_multicast.c:4458) bridge [ 1548.635829][ T8466] br_multicast_toggle_vlan_snooping (net/bridge/br_multicast.c:4585) bridge [ 1548.636297][ T8466] br_boolopt_multi_toggle (net/bridge/br.c:330 (discriminator 3)) bridge [ 1548.636767][ T8466] br_changelink (net/bridge/br_netlink.c:1545) bridge [ 1548.637156][ T8466] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 1548.637516][ T8466] ? br_get_size (net/bridge/br_netlink.c:1280) bridge [ 1548.637898][ T8466] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760) [ 1548.638257][ T8466] ? validate_nla (lib/nlattr.c:580) [ 1548.638620][ T8466] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 1548.638966][ T8466] ? reacquire_held_locks (kernel/locking/lockdep.c:5385) [ 1548.639323][ T8466] ? ww_mutex_lock (kernel/locking/mutex.c:759) [ 1548.639689][ T8466] __rtnl_newlink (net/core/rtnetlink.c:3725 net/core/rtnetlink.c:3920) [ 1548.640040][ T8466] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 1548.640413][ T8466] ? __rtnl_newlink (net/core/rtnetlink.c:3948) [ 1548.640788][ T8466] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 1548.641141][ T8466] ? __lock_release (kernel/locking/lockdep.c:5536) [ 1548.641490][ T8466] ? __rtnl_newlink (net/core/rtnetlink.c:3948) [ 1548.641845][ T8466] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 1548.642219][ T8466] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 1548.642570][ T8466] ? rtnl_port_fill (net/core/rtnetlink.c:6849) [ 1548.642930][ T8466] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1548.643290][ T8466] netlink_rcv_skb (net/netlink/af_netlink.c:2552) [ 1548.643637][ T8466] ? rtnl_port_fill (net/core/rtnetlink.c:6849) [ 1548.643998][ T8466] ? netlink_ack (net/netlink/af_netlink.c:2529) [ 1548.644368][ T8466] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 1548.644724][ T8466] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 1548.645073][ T8466] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 1548.645439][ T8466] ? netlink_attachskb (net/netlink/af_netlink.c:1331) [ 1548.645802][ T8466] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1548.646164][ T8466] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 1548.646515][ T8466] ? netlink_unicast (net/netlink/af_netlink.c:1815) [ 1548.646869][ T8466] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 1548.647230][ T8466] ? netlink_unicast (net/netlink/af_netlink.c:1815) [ 1548.647578][ T8466] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 1548.647942][ T8466] ? get_timestamp.constprop.0 (net/socket.c:2560) [ 1548.648391][ T8466] ? __copy_msghdr (net/socket.c:2540) [ 1548.648751][ T8466] ___sys_sendmsg (net/socket.c:2670) [ 1548.649118][ T8466] ? copy_msghdr_from_user (net/socket.c:2657) [ 1548.649464][ T8466] ? do_pte_missing (mm/memory.c:6009) [ 1548.649818][ T8466] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1548.650188][ T8466] ? __handle_mm_fault (mm/memory.c:6195) [ 1548.650546][ T8466] ? __pmd_alloc (mm/memory.c:6104) [ 1548.650921][ T8466] ? lock_vma_under_rcu (./include/linux/rcupdate.h:874 mm/mmap_lock.c:170) [ 1548.651290][ T8466] __sys_sendmsg (net/socket.c:2700) [ 1548.651635][ T8466] ? __sys_sendmsg_sock (net/socket.c:2685) [ 1548.651990][ T8466] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 1548.652354][ T8466] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:143 ./include/linux/mmap_lock.h:267 arch/x86/mm/fault.c:1338) [ 1548.652706][ T8466] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 1548.653068][ T8466] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 1548.653425][ T8466] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1548.653854][ T8466] RIP: 0033:0x7f68ad4ee1e7 [ 1548.654224][ T8466] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 1548.655435][ T8466] RSP: 002b:00007ffee36030d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1548.655951][ T8466] RAX: ffffffffffffffda RBX: 00007ffee3603800 RCX: 00007f68ad4ee1e7 [ 1548.656481][ T8466] RDX: 0000000000000000 RSI: 00007ffee3603140 RDI: 0000000000000005 [ 1548.656990][ T8466] RBP: 000000000000000c R08: 0000000000000068 R09: 0000000000000000 [ 1548.657518][ T8466] R10: 00007f68ad57cac0 R11: 0000000000000246 R12: 00007ffee3603820 [ 1548.658035][ T8466] R13: 0000000068b1cd27 R14: 0000000000499600 R15: 00007ffee3603220 | [ 1548.662201][ T8466] ------------[ cut here ]------------ | [ 1548.662555][ T8466] WARNING: CPU: 2 PID: 8466 at net/bridge/br_multicast.c:1393 br_ip6_multicast_assert_inactive (net/bridge/br_multicast.c:1393 net/bridge/br_multicast.c:1391) bridge | [ 1548.663375][ T8466] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel ip6_gre ip6_tunnel tunnel6 act_gact cls_flower sch_ingress ip_gre gre 8021q act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf vrf veth | [ 1548.665768][ T8466] Tainted: [W]=WARN [ 1548.666036][ T8466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1548.666490][ T8466] RIP: 0010:br_ip6_multicast_assert_inactive (net/bridge/br_multicast.c:1393 net/bridge/br_multicast.c:1391) bridge [ 1548.667044][ T8466] Code: 0f b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 1d 0f b6 9b b8 03 00 00 80 fb 01 0f 87 bb 1e 05 00 83 e3 01 75 02 5b c3 90 <0f> 0b 90 5b c3 e8 8b 3c 63 f9 eb dc 66 0f 1f 84 00 00 00 00 00 f3 All code ======== 0: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 4: 48 89 fa mov %rdi,%rdx 7: 83 e2 07 and $0x7,%edx a: 38 d0 cmp %dl,%al c: 7f 04 jg 0x12 e: 84 c0 test %al,%al 10: 75 1d jne 0x2f 12: 0f b6 9b b8 03 00 00 movzbl 0x3b8(%rbx),%ebx 19: 80 fb 01 cmp $0x1,%bl 1c: 0f 87 bb 1e 05 00 ja 0x51edd 22: 83 e3 01 and $0x1,%ebx 25: 75 02 jne 0x29 27: 5b pop %rbx 28: c3 ret 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 5b pop %rbx 2e: c3 ret 2f: e8 8b 3c 63 f9 call 0xfffffffff9633cbf 34: eb dc jmp 0x12 36: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3d: 00 00 3f: f3 repz Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 5b pop %rbx 4: c3 ret 5: e8 8b 3c 63 f9 call 0xfffffffff9633c95 a: eb dc jmp 0xffffffffffffffe8 c: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 13: 00 00 15: f3 repz [ 1548.668261][ T8466] RSP: 0018:ffffc90007d97350 EFLAGS: 00010202 [ 1548.668707][ T8466] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 1ffff1100186d667 [ 1548.669225][ T8466] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88800c36b338 [ 1548.669750][ T8466] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffed100186d5b2 [ 1548.670281][ T8466] R10: ffff88800c36ad97 R11: ffff88800c36b368 R12: 0000000000000001 [ 1548.670813][ T8466] R13: ffff88800c36af80 R14: 0000000000000001 R15: ffff88800c36ad90 [ 1548.671337][ T8466] FS: 00007f68ad321800(0000) GS:ffff888078d16000(0000) knlGS:0000000000000000 [ 1548.671942][ T8466] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1548.672386][ T8466] CR2: 00007f68ad421130 CR3: 000000000fac9001 CR4: 0000000000772ef0 [ 1548.672908][ T8466] PKRU: 55555554 [ 1548.673180][ T8466] Call Trace: [ 1548.673454][ T8466] [ 1548.673640][ T8466] __br_multicast_stop (net/bridge/br_multicast.c:4459) bridge [ 1548.674017][ T8466] br_multicast_toggle_vlan_snooping (net/bridge/br_multicast.c:4585) bridge [ 1548.674496][ T8466] br_boolopt_multi_toggle (net/bridge/br.c:330 (discriminator 3)) bridge [ 1548.674958][ T8466] br_changelink (net/bridge/br_netlink.c:1545) bridge [ 1548.675347][ T8466] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 1548.675712][ T8466] ? br_get_size (net/bridge/br_netlink.c:1280) bridge [ 1548.676100][ T8466] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760) [ 1548.676453][ T8466] ? validate_nla (lib/nlattr.c:580) [ 1548.676820][ T8466] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 1548.677181][ T8466] ? reacquire_held_locks (kernel/locking/lockdep.c:5385) [ 1548.677543][ T8466] ? ww_mutex_lock (kernel/locking/mutex.c:759) [ 1548.677906][ T8466] __rtnl_newlink (net/core/rtnetlink.c:3725 net/core/rtnetlink.c:3920) [ 1548.678271][ T8466] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 1548.678639][ T8466] ? __rtnl_newlink (net/core/rtnetlink.c:3948) [ 1548.678998][ T8466] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 1548.679352][ T8466] ? __lock_release (kernel/locking/lockdep.c:5536) [ 1548.679717][ T8466] ? __rtnl_newlink (net/core/rtnetlink.c:3948) [ 1548.680062][ T8466] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 1548.680430][ T8466] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 1548.680799][ T8466] ? rtnl_port_fill (net/core/rtnetlink.c:6849) [ 1548.681162][ T8466] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1548.681512][ T8466] netlink_rcv_skb (net/netlink/af_netlink.c:2552) [ 1548.681870][ T8466] ? rtnl_port_fill (net/core/rtnetlink.c:6849) [ 1548.682230][ T8466] ? netlink_ack (net/netlink/af_netlink.c:2529) [ 1548.682586][ T8466] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 1548.682942][ T8466] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 1548.683301][ T8466] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 1548.683657][ T8466] ? netlink_attachskb (net/netlink/af_netlink.c:1331) [ 1548.684020][ T8466] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1548.684382][ T8466] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 1548.684747][ T8466] ? netlink_unicast (net/netlink/af_netlink.c:1815) [ 1548.685104][ T8466] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 1548.685463][ T8466] ? netlink_unicast (net/netlink/af_netlink.c:1815) [ 1548.685821][ T8466] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 1548.686190][ T8466] ? get_timestamp.constprop.0 (net/socket.c:2560) [ 1548.686624][ T8466] ? __copy_msghdr (net/socket.c:2540) [ 1548.686995][ T8466] ___sys_sendmsg (net/socket.c:2670) [ 1548.687351][ T8466] ? copy_msghdr_from_user (net/socket.c:2657) [ 1548.687700][ T8466] ? do_pte_missing (mm/memory.c:6009) [ 1548.688062][ T8466] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1548.688425][ T8466] ? __handle_mm_fault (mm/memory.c:6195) [ 1548.688773][ T8466] ? __pmd_alloc (mm/memory.c:6104) [ 1548.689156][ T8466] ? lock_vma_under_rcu (./include/linux/rcupdate.h:874 mm/mmap_lock.c:170) [ 1548.689510][ T8466] __sys_sendmsg (net/socket.c:2700) [ 1548.689867][ T8466] ? __sys_sendmsg_sock (net/socket.c:2685) [ 1548.690223][ T8466] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 1548.690591][ T8466] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:143 ./include/linux/mmap_lock.h:267 arch/x86/mm/fault.c:1338) [ 1548.690958][ T8466] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 1548.691318][ T8466] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 1548.691666][ T8466] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1548.692126][ T8466] RIP: 0033:0x7f68ad4ee1e7 [ 1548.692484][ T8466] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 1548.693701][ T8466] RSP: 002b:00007ffee36030d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1548.694247][ T8466] RAX: ffffffffffffffda RBX: 00007ffee3603800 RCX: 00007f68ad4ee1e7 [ 1548.694758][ T8466] RDX: 0000000000000000 RSI: 00007ffee3603140 RDI: 0000000000000005 [ 1548.695290][ T8466] RBP: 000000000000000c R08: 0000000000000068 R09: 0000000000000000 [ 1548.695805][ T8466] R10: 00007f68ad57cac0 R11: 0000000000000246 R12: 00007ffee3603820 Finger prints: br_ip4_multicast_assert_inactive:__br_multicast_stop:br_multicast_toggle_vlan_snooping:br_boolopt_multi_toggle:br_changelink br_ip6_multicast_assert_inactive:__br_multicast_stop:br_multicast_toggle_vlan_snooping:br_boolopt_multi_toggle:br_changelink