====================================== | xx__-> [ 7.845692][ T128] ------------[ cut here ]------------ | [ 7.845931][ T128] netdevice: nk0 (uninitialized): ops-locked drivers should use ndo_set_rx_mode_async | [ 7.846157][ T128] WARNING: net/core/dev.c:11380 at register_netdevice+0x859/0x1bc0, CPU#3: rt-link/128 | [ 7.846395][ T128] Modules linked in: [ 7.846762][ T128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.846923][ T128] RIP: 0010:register_netdevice (net/core/dev.c:11380 (discriminator 8)) [ 7.847097][ T128] Code: 00 00 4c 89 ef be 25 00 00 00 e8 3c f9 81 00 48 85 c0 48 c7 c0 60 bf 87 9e 4c 0f 45 e8 48 8d 3d 07 5b 08 02 4c 89 f2 4c 89 ee <67> 48 0f b9 3a 4c 89 ff e8 a4 6c fb ff 41 89 c6 85 c0 0f 85 97 03 All code ======== 0: 00 00 add %al,(%rax) 2: 4c 89 ef mov %r13,%rdi 5: be 25 00 00 00 mov $0x25,%esi a: e8 3c f9 81 00 call 0x81f94b f: 48 85 c0 test %rax,%rax 12: 48 c7 c0 60 bf 87 9e mov $0xffffffff9e87bf60,%rax 19: 4c 0f 45 e8 cmovne %rax,%r13 1d: 48 8d 3d 07 5b 08 02 lea 0x2085b07(%rip),%rdi # 0x2085b2b 24: 4c 89 f2 mov %r14,%rdx 27: 4c 89 ee mov %r13,%rsi 2a:* 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 4c 89 ff mov %r15,%rdi 32: e8 a4 6c fb ff call 0xfffffffffffb6cdb 37: 41 89 c6 mov %eax,%r14d 3a: 85 c0 test %eax,%eax 3c: 0f .byte 0xf 3d: 85 .byte 0x85 3e: 97 xchg %eax,%edi 3f: 03 .byte 0x3 Code starting with the faulting instruction =========================================== 0: 67 48 0f b9 3a ud1 (%edx),%rdi 5: 4c 89 ff mov %r15,%rdi 8: e8 a4 6c fb ff call 0xfffffffffffb6cb1 d: 41 89 c6 mov %eax,%r14d 10: 85 c0 test %eax,%eax 12: 0f .byte 0xf 13: 85 .byte 0x85 14: 97 xchg %eax,%edi 15: 03 .byte 0x3 [ 7.847568][ T128] RSP: 0018:ffa00000007070e0 EFLAGS: 00010246 [ 7.847733][ T128] RAX: ffffffff9e87bf60 RBX: 1ff40000000e0e22 RCX: dffffc0000000000 [ 7.847932][ T128] RDX: ffffffff9e87ee00 RSI: ff1100000c6ca118 RDI: ffffffff9fa791d0 [ 7.848123][ T128] RBP: ffffffffa12b4c40 R08: 0000000000000003 R09: 0000000000000000 [ 7.848322][ T128] R10: 0000000000000003 R11: 0000000000000001 R12: ff1100000c6ca678 [ 7.848513][ T128] R13: ff1100000c6ca118 R14: ffffffff9e87ee00 R15: ff1100000c6ca000 [ 7.848710][ T128] FS: 00007fee42c1ec00(0000) GS:ff1100009514b000(0000) knlGS:0000000000000000 [ 7.849018][ T128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.849191][ T128] CR2: 000000000045f320 CR3: 0000000004aeb004 CR4: 0000000000771ef0 [ 7.849387][ T128] PKRU: 55555554 [ 7.849490][ T128] Call Trace: [ 7.849593][ T128] [ 7.849662][ T128] ? unregister_netdevice_queue (net/core/dev.c:11323) [ 7.849825][ T128] ? netkit_alloc (drivers/net/netkit.c:409 drivers/net/netkit.c:393) [ 7.849953][ T128] ? rtnl_create_link (net/core/rtnetlink.c:3680) [ 7.850081][ T128] netkit_new_link (drivers/net/netkit.c:624) [ 7.850212][ T128] ? perf_trace_rcu_barrier (./include/trace/events/rcu.h:800 (discriminator 12) ./include/trace/events/rcu.h:800 (discriminator 12)) [ 7.850345][ T128] ? netkit_change_link (drivers/net/netkit.c:522) [ 7.850476][ T128] ? __kasan_kmalloc (mm/kasan/common.c:419) [ 7.850610][ T128] ? __kvmalloc_node_noprof (mm/slub.c:5261 mm/slub.c:6752) [ 7.850737][ T128] ? alloc_netdev_mqs (net/core/dev.c:12132 (discriminator 8)) [ 7.850887][ T128] ? rtnl_af_lookup (net/core/rtnetlink.c:2697) [ 7.851016][ T128] ? netkit_alloc (drivers/net/netkit.c:409 drivers/net/netkit.c:393) [ 7.851237][ T128] ? rtnl_create_link (net/core/rtnetlink.c:3680) [ 7.851364][ T128] rtnl_newlink_create (net/core/rtnetlink.c:3863) [ 7.851492][ T128] ? rtnl_create_link (net/core/rtnetlink.c:3829) [ 7.851704][ T128] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 24)) [ 7.851833][ T128] ? __mutex_lock (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.c:88 kernel/locking/mutex.c:133 kernel/locking/mutex.c:617 kernel/locking/mutex.c:776) [ 7.851963][ T128] ? rtnl_newlink (net/core/rtnetlink.c:343 (discriminator 2) net/core/rtnetlink.c:4108 (discriminator 2)) [ 7.852093][ T128] ? ww_mutex_lock (kernel/locking/mutex.c:775) [ 7.852226][ T128] __rtnl_newlink (net/core/rtnetlink.c:3994) [ 7.852440][ T128] rtnl_newlink (net/core/rtnetlink.c:351 (discriminator 2) net/core/rtnetlink.c:4110 (discriminator 2)) [ 7.852576][ T128] ? __rtnl_newlink (net/core/rtnetlink.c:4000) [ 7.852702][ T128] ? mark_usage (kernel/locking/lockdep.c:4674 (discriminator 1)) [ 7.852833][ T128] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536) [ 7.853043][ T128] ? __rtnl_newlink (net/core/rtnetlink.c:4000) [ 7.853180][ T128] rtnetlink_rcv_msg (net/core/rtnetlink.c:6995) [ 7.853309][ T128] ? rtnl_fdb_dump (net/core/rtnetlink.c:6898) [ 7.853436][ T128] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 3) kernel/locking/lockdep.c:3821 (discriminator 3) kernel/locking/lockdep.c:3876 (discriminator 3)) [ 7.853647][ T128] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 7.853774][ T128] ? srcu_module_notify (kernel/rcu/srcutree.c:2157 (discriminator 2) kernel/rcu/srcutree.c:2179 (discriminator 2)) [ 7.853905][ T128] ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:5870 (discriminator 2)) [ 7.854040][ T128] ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1)) [ 7.854296][ T128] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 7.854430][ T128] ? rtnl_fdb_dump (net/core/rtnetlink.c:6898) [ 7.854563][ T128] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 7.854697][ T128] ? netlink_deliver_tap (./include/linux/rcupdate.h:322 (discriminator 2) ./include/linux/rcupdate.h:881 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:333 (discriminator 2)) [ 7.854905][ T128] ? netlink_deliver_tap (./include/linux/rcupdate.h:322 (discriminator 2) ./include/linux/rcupdate.h:881 (discriminator 2) net/netlink/af_netlink.c:340 (discriminator 2)) [ 7.855034][ T128] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 7.855170][ T128] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 7.855296][ T128] ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:696 (discriminator 2)) [ 7.855505][ T128] ? napi_skb_cache_get (net/core/skbuff.c:675) [ 7.855636][ T128] ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1)) [ 7.855765][ T128] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 7.855892][ T128] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 7.856101][ T128] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536) [ 7.856234][ T128] __sys_sendto (net/socket.c:722 (discriminator 4) net/socket.c:737 (discriminator 4) net/socket.c:2200 (discriminator 4)) [ 7.856364][ T128] ? __ia32_sys_getpeername (net/socket.c:2167) [ 7.856494][ T128] ? __pmd_alloc (mm/memory.c:6357) [ 7.856714][ T128] ? 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:1480 arch/x86/mm/fault.c:1527) [ 7.856845][ T128] __x64_sys_sendto (net/socket.c:2207 (discriminator 1) net/socket.c:2203 (discriminator 1) net/socket.c:2203 (discriminator 1)) [ 7.856971][ T128] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 24)) [ 7.857217][ T128] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) [ 7.857344][ T128] ? do_syscall_64 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/entry-common.h:186 arch/x86/entry/syscall_64.c:90) [ 7.857469][ T128] do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1)) [ 7.857602][ T128] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 7.857810][ T128] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 7.857968][ T128] RIP: 0033:0x7fee42c9022e [ 7.858105][ T128] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 94 bd 00 00 call 0xbd9c 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 7.858657][ T128] RSP: 002b:00007ffebd27ca30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 7.858850][ T128] RAX: ffffffffffffffda RBX: 000000000000003c RCX: 00007fee42c9022e [ 7.859128][ T128] RDX: 000000000000003c RSI: 00007fee424bea68 RDI: 0000000000000005 [ 7.859325][ T128] RBP: 00007ffebd27ca40 R08: 0000000000000000 R09: 0000000000000000 [ 7.859514][ T128] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fee424bea68 [ 7.859793][ T128] R13: 00007bee40ed0340 R14: 00007dae420e0080 R15: 00007fee42836000 | [ 7.868058][ T128] netdevice: nk1 (uninitialized): ops-locked drivers should use ndo_set_rx_mode_async | [ 7.868279][ T128] WARNING: net/core/dev.c:11380 at register_netdevice+0x859/0x1bc0, CPU#3: rt-link/128 | [ 7.868500][ T128] Modules linked in: | [ 7.868870][ T128] Tainted: [W]=WARN [ 7.868966][ T128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.869124][ T128] RIP: 0010:register_netdevice (net/core/dev.c:11380 (discriminator 8)) [ 7.869295][ T128] Code: 00 00 4c 89 ef be 25 00 00 00 e8 3c f9 81 00 48 85 c0 48 c7 c0 60 bf 87 9e 4c 0f 45 e8 48 8d 3d 07 5b 08 02 4c 89 f2 4c 89 ee <67> 48 0f b9 3a 4c 89 ff e8 a4 6c fb ff 41 89 c6 85 c0 0f 85 97 03 All code ======== 0: 00 00 add %al,(%rax) 2: 4c 89 ef mov %r13,%rdi 5: be 25 00 00 00 mov $0x25,%esi a: e8 3c f9 81 00 call 0x81f94b f: 48 85 c0 test %rax,%rax 12: 48 c7 c0 60 bf 87 9e mov $0xffffffff9e87bf60,%rax 19: 4c 0f 45 e8 cmovne %rax,%r13 1d: 48 8d 3d 07 5b 08 02 lea 0x2085b07(%rip),%rdi # 0x2085b2b 24: 4c 89 f2 mov %r14,%rdx 27: 4c 89 ee mov %r13,%rsi 2a:* 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 4c 89 ff mov %r15,%rdi 32: e8 a4 6c fb ff call 0xfffffffffffb6cdb 37: 41 89 c6 mov %eax,%r14d 3a: 85 c0 test %eax,%eax 3c: 0f .byte 0xf 3d: 85 .byte 0x85 3e: 97 xchg %eax,%edi 3f: 03 .byte 0x3 Code starting with the faulting instruction =========================================== 0: 67 48 0f b9 3a ud1 (%edx),%rdi 5: 4c 89 ff mov %r15,%rdi 8: e8 a4 6c fb ff call 0xfffffffffffb6cb1 d: 41 89 c6 mov %eax,%r14d 10: 85 c0 test %eax,%eax 12: 0f .byte 0xf 13: 85 .byte 0x85 14: 97 xchg %eax,%edi 15: 03 .byte 0x3 [ 7.869757][ T128] RSP: 0018:ffa00000007070e0 EFLAGS: 00010246 [ 7.869916][ T128] RAX: ffffffff9e87bf60 RBX: 1ff40000000e0e22 RCX: dffffc0000000000 [ 7.870105][ T128] RDX: ffffffff9e87ee00 RSI: ff1100000c722118 RDI: ffffffff9fa791d0 [ 7.870297][ T128] RBP: ffffffffa12b4c40 R08: 0000000000000003 R09: 0000000000000000 [ 7.870483][ T128] R10: 0000000000000003 R11: 0000000000000001 R12: ff1100000c722678 [ 7.871220][ T128] R13: ff1100000c722118 R14: ffffffff9e87ee00 R15: ff1100000c722000 [ 7.871419][ T128] FS: 00007fee42c1ec00(0000) GS:ff1100009514b000(0000) knlGS:0000000000000000 [ 7.871699][ T128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.871868][ T128] CR2: 000000000045f320 CR3: 0000000004aeb004 CR4: 0000000000771ef0 [ 7.872065][ T128] PKRU: 55555554 [ 7.872166][ T128] Call Trace: [ 7.872263][ T128] [ 7.872332][ T128] ? unregister_netdevice_queue (net/core/dev.c:11323) [ 7.872494][ T128] ? rtnl_configure_link (net/core/rtnetlink.c:3630) [ 7.872673][ T128] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) [ 7.872803][ T128] netkit_new_link (drivers/net/netkit.c:659) [ 7.872936][ T128] ? perf_trace_rcu_barrier (./include/trace/events/rcu.h:800 (discriminator 12) ./include/trace/events/rcu.h:800 (discriminator 12)) [ 7.873087][ T128] ? netkit_change_link (drivers/net/netkit.c:522) [ 7.873226][ T128] ? __kasan_kmalloc (mm/kasan/common.c:419) [ 7.873353][ T128] ? __kvmalloc_node_noprof (mm/slub.c:5261 mm/slub.c:6752) [ 7.873479][ T128] ? alloc_netdev_mqs (net/core/dev.c:12132 (discriminator 8)) [ 7.873680][ T128] ? rtnl_af_lookup (net/core/rtnetlink.c:2697) [ 7.873809][ T128] ? netkit_alloc (drivers/net/netkit.c:409 drivers/net/netkit.c:393) [ 7.873935][ T128] ? rtnl_create_link (net/core/rtnetlink.c:3680) [ 7.874073][ T128] rtnl_newlink_create (net/core/rtnetlink.c:3863) [ 7.874205][ T128] ? rtnl_create_link (net/core/rtnetlink.c:3829) [ 7.874336][ T128] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 24)) [ 7.874468][ T128] ? __mutex_lock (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.c:88 kernel/locking/mutex.c:133 kernel/locking/mutex.c:617 kernel/locking/mutex.c:776) [ 7.874651][ T128] ? rtnl_newlink (net/core/rtnetlink.c:343 (discriminator 2) net/core/rtnetlink.c:4108 (discriminator 2)) [ 7.874785][ T128] ? ww_mutex_lock (kernel/locking/mutex.c:775) [ 7.874918][ T128] __rtnl_newlink (net/core/rtnetlink.c:3994) [ 7.875052][ T128] rtnl_newlink (net/core/rtnetlink.c:351 (discriminator 2) net/core/rtnetlink.c:4110 (discriminator 2)) [ 7.875188][ T128] ? __rtnl_newlink (net/core/rtnetlink.c:4000) [ 7.875315][ T128] ? mark_usage (kernel/locking/lockdep.c:4674 (discriminator 1)) [ 7.875450][ T128] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536) [ 7.875632][ T128] ? __rtnl_newlink (net/core/rtnetlink.c:4000) [ 7.875760][ T128] rtnetlink_rcv_msg (net/core/rtnetlink.c:6995) [ 7.875893][ T128] ? rtnl_fdb_dump (net/core/rtnetlink.c:6898) [ 7.876020][ T128] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 3) kernel/locking/lockdep.c:3821 (discriminator 3) kernel/locking/lockdep.c:3876 (discriminator 3)) [ 7.876150][ T128] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 7.876279][ T128] ? srcu_module_notify (kernel/rcu/srcutree.c:2157 (discriminator 2) kernel/rcu/srcutree.c:2179 (discriminator 2)) [ 7.876412][ T128] ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:5870 (discriminator 2)) [ 7.876537][ T128] ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1)) [ 7.876725][ T128] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 7.876860][ T128] ? rtnl_fdb_dump (net/core/rtnetlink.c:6898) [ 7.876994][ T128] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 7.877131][ T128] ? netlink_deliver_tap (./include/linux/rcupdate.h:322 (discriminator 2) ./include/linux/rcupdate.h:881 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:333 (discriminator 2)) [ 7.877268][ T128] ? netlink_deliver_tap (./include/linux/rcupdate.h:322 (discriminator 2) ./include/linux/rcupdate.h:881 (discriminator 2) net/netlink/af_netlink.c:340 (discriminator 2)) [ 7.877406][ T128] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 7.877541][ T128] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 7.877723][ T128] ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:696 (discriminator 2)) [ 7.877853][ T128] ? napi_skb_cache_get (net/core/skbuff.c:675) [ 7.877987][ T128] ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1)) [ 7.878120][ T128] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 7.878257][ T128] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 7.878389][ T128] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536) [ 7.878518][ T128] __sys_sendto (net/socket.c:722 (discriminator 4) net/socket.c:737 (discriminator 4) net/socket.c:2200 (discriminator 4)) [ 7.878702][ T128] ? __ia32_sys_getpeername (net/socket.c:2167) [ 7.878832][ T128] ? __pmd_alloc (mm/memory.c:6357) [ 7.878974][ T128] ? 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:1480 arch/x86/mm/fault.c:1527) [ 7.879242][ T128] __x64_sys_sendto (net/socket.c:2207 (discriminator 1) net/socket.c:2203 (discriminator 1) net/socket.c:2203 (discriminator 1)) [ 7.879384][ T128] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 24)) [ 7.879618][ T128] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) [ 7.879774][ T128] ? do_syscall_64 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/entry-common.h:186 arch/x86/entry/syscall_64.c:90) [ 7.879927][ T128] do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1)) [ 7.880079][ T128] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 7.880232][ T128] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 7.880397][ T128] RIP: 0033:0x7fee42c9022e [ 7.880691][ T128] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 94 bd 00 00 call 0xbd9c 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 7.881161][ T128] RSP: 002b:00007ffebd27ca30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 7.881356][ T128] RAX: ffffffffffffffda RBX: 000000000000003c RCX: 00007fee42c9022e [ 7.881546][ T128] RDX: 000000000000003c RSI: 00007fee424bea68 RDI: 0000000000000005 [ 7.881875][ T128] RBP: 00007ffebd27ca40 R08: 0000000000000000 R09: 0000000000000000 [ 7.882067][ T128] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fee424bea68 Finger prints: register_netdevice:netkit_new_link:rtnl_newlink_create:__rtnl_newlink:rtnl_newlink