====================================== | xx__-> [ 6.889559] ------------[ cut here ]------------ | [ 6.889606] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/2303 | [ 6.889660] Modules linked in: netdevsim [last unloaded: netconsole] | [ 6.889757] Tainted: [W]=WARN [ 6.889779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6.889814] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 6.889843] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff All code ======== 0: 80 00 00 addb $0x0,(%rax) 3: 00 e8 add %ch,%al 5: 09 d9 or %ebx,%ecx 7: ff (bad) 8: ff 48 83 decl -0x7d(%rax) b: c4 (bad) c: 38 85 c0 75 18 48 cmp %al,0x481875c0(%rbp) 12: 83 c4 08 add $0x8,%esp 15: 4c 89 f8 mov %r15,%rax 18: 5b pop %rbx 19: 5d pop %rbp 1a: 41 5c pop %r12 1c: 41 5d pop %r13 1e: 41 5e pop %r14 20: 41 5f pop %r15 22: c3 ret 23: 44 8b 48 08 mov 0x8(%rax),%r9d 27: eb b4 jmp 0xffffffffffffffdd 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 4c 89 fe mov %r15,%rsi 35: 31 ff xor %edi,%edi 37: e8 56 a6 fb ff call 0xfffffffffffba692 3c: b9 .byte 0xb9 3d: a6 cmpsb (%rdi),(%rsi) 3e: ff (bad) 3f: ff .byte 0xff Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: ba 02 00 00 00 mov $0x2,%edx 8: 4c 89 fe mov %r15,%rsi b: 31 ff xor %edi,%edi d: e8 56 a6 fb ff call 0xfffffffffffba668 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 6.889954] RSP: 0018:ff835a92c090bcc8 EFLAGS: 00010286 [ 6.889984] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 6.890028] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf783071000 [ 6.890063] RBP: 0000000000000000 R08: ff29fcf783010490 R09: ff29fcf78513c02c [ 6.890108] R10: ff29fcf785195118 R11: fefefefefefefeff R12: 0000000000000000 [ 6.890152] R13: 0000000000000010 R14: ff29fcf785195000 R15: ff29fcf783071000 [ 6.890200] FS: 00007f7601545840(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000 [ 6.890241] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.890276] CR2: 00007f7601751690 CR3: 0000000001856006 CR4: 0000000000771ef0 [ 6.890321] PKRU: 55555554 [ 6.890336] Call Trace: [ 6.890350] [ 6.890364] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 6.890386] register_netdevice (net/core/dev.c:11488) [ 6.890409] register_netdev (net/core/dev.c:11552) [ 6.890430] loopback_net_init (drivers/net/loopback.c:218) [ 6.890453] ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973) [ 6.890484] ops_init (net/core/net_namespace.c:137) [ 6.890506] setup_net (net/core/net_namespace.c:446) [ 6.890525] copy_net_ns (net/core/net_namespace.c:579) [ 6.890549] create_new_namespaces (kernel/nsproxy.c:132) [ 6.890581] unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4)) [ 6.890607] ksys_unshare (kernel/fork.c:3243) [ 6.890632] __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315) [ 6.890653] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 6.890675] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 6.890703] RIP: 0033:0x7f7601807bcb [ 6.890723] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48 All code ======== 0: 73 01 jae 0x3 2: c3 ret 3: 48 8b 0d 2d 82 0f 00 mov 0xf822d(%rip),%rcx # 0xf8237 a: f7 d8 neg %eax c: 64 89 01 mov %eax,%fs:(%rcx) f: 48 83 c8 ff or $0xffffffffffffffff,%rax 13: c3 ret 14: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 1b: 00 00 00 1e: 90 nop 1f: f3 0f 1e fa endbr64 23: b8 10 01 00 00 mov $0x110,%eax 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d fd 81 0f 00 mov 0xf81fd(%rip),%rcx # 0xf8237 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d fd 81 0f 00 mov 0xf81fd(%rip),%rcx # 0xf820d 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 6.890818] RSP: 002b:00007ffd61a1edc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 6.890861] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7601807bcb [ 6.890910] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000 [ 6.890954] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 6.890994] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd61a20ff0 [ 6.891034] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd61a22847 | [ 6.893924] ------------[ cut here ]------------ | [ 6.893964] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/2304 | [ 6.894023] Modules linked in: netdevsim [last unloaded: netconsole] | [ 6.894122] Tainted: [W]=WARN [ 6.894142] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6.894177] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 6.894206] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff All code ======== 0: 80 00 00 addb $0x0,(%rax) 3: 00 e8 add %ch,%al 5: 09 d9 or %ebx,%ecx 7: ff (bad) 8: ff 48 83 decl -0x7d(%rax) b: c4 (bad) c: 38 85 c0 75 18 48 cmp %al,0x481875c0(%rbp) 12: 83 c4 08 add $0x8,%esp 15: 4c 89 f8 mov %r15,%rax 18: 5b pop %rbx 19: 5d pop %rbp 1a: 41 5c pop %r12 1c: 41 5d pop %r13 1e: 41 5e pop %r14 20: 41 5f pop %r15 22: c3 ret 23: 44 8b 48 08 mov 0x8(%rax),%r9d 27: eb b4 jmp 0xffffffffffffffdd 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 4c 89 fe mov %r15,%rsi 35: 31 ff xor %edi,%edi 37: e8 56 a6 fb ff call 0xfffffffffffba692 3c: b9 .byte 0xb9 3d: a6 cmpsb (%rdi),(%rsi) 3e: ff (bad) 3f: ff .byte 0xff Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: ba 02 00 00 00 mov $0x2,%edx 8: 4c 89 fe mov %r15,%rsi b: 31 ff xor %edi,%edi d: e8 56 a6 fb ff call 0xfffffffffffba668 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 6.894304] RSP: 0018:ff835a92c090b720 EFLAGS: 00010286 [ 6.894333] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000 [ 6.894373] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c38400 [ 6.894415] RBP: 0000000000000000 R08: ff29fcf783010490 R09: ff29fcf7819b602c [ 6.894456] R10: ff29fcf785195118 R11: fefefefefefefeff R12: 0000000000000000 [ 6.894498] R13: 0000000000000010 R14: ff29fcf785195000 R15: ff29fcf781c38400 [ 6.894545] FS: 00007f76be5c0840(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000 [ 6.894594] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.894628] CR2: 00007f76be8901a0 CR3: 0000000006807005 CR4: 0000000000771ef0 [ 6.894664] PKRU: 55555554 [ 6.894678] Call Trace: [ 6.894692] [ 6.894707] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 6.894729] __dev_notify_flags (net/core/dev.c:9787) [ 6.894753] ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288) [ 6.894772] netif_change_flags (net/core/dev.c:9820) [ 6.894794] do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1)) [ 6.894817] ? __nla_validate_parse (lib/nlattr.c:620) [ 6.894841] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 6.894865] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 6.894884] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 6.894919] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 6.894946] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 6.894966] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 6.894995] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 6.895022] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 6.895046] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 6.895069] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 6.895095] ___sys_sendmsg (net/socket.c:2752) [ 6.895117] __sys_sendmsg (net/socket.c:2784) [ 6.895136] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 6.895159] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 6.895189] RIP: 0033:0x7f76be7fa08e [ 6.895210] 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 [ 6.895306] RSP: 002b:00007ffccd2c7800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 6.895347] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f76be7fa08e [ 6.895391] RDX: 0000000000000000 RSI: 00007ffccd2c78b0 RDI: 0000000000000005 [ 6.895432] RBP: 00007ffccd2c7810 R08: 0000000000000000 R09: 0000000000000000 [ 6.895474] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db72 [ 6.895522] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccd2c7f80 | [ 6.903081] ------------[ cut here ]------------ | [ 6.903115] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/2286 | [ 6.903170] Modules linked in: netdevsim [last unloaded: netconsole] | [ 6.903268] Tainted: [W]=WARN [ 6.903291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6.903333] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 6.903362] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff All code ======== 0: 80 00 00 addb $0x0,(%rax) 3: 00 e8 add %ch,%al 5: 09 d9 or %ebx,%ecx 7: ff (bad) 8: ff 48 83 decl -0x7d(%rax) b: c4 (bad) c: 38 85 c0 75 18 48 cmp %al,0x481875c0(%rbp) 12: 83 c4 08 add $0x8,%esp 15: 4c 89 f8 mov %r15,%rax 18: 5b pop %rbx 19: 5d pop %rbp 1a: 41 5c pop %r12 1c: 41 5d pop %r13 1e: 41 5e pop %r14 20: 41 5f pop %r15 22: c3 ret 23: 44 8b 48 08 mov 0x8(%rax),%r9d 27: eb b4 jmp 0xffffffffffffffdd 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 4c 89 fe mov %r15,%rsi 35: 31 ff xor %edi,%edi 37: e8 56 a6 fb ff call 0xfffffffffffba692 3c: b9 .byte 0xb9 3d: a6 cmpsb (%rdi),(%rsi) 3e: ff (bad) 3f: ff .byte 0xff Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: ba 02 00 00 00 mov $0x2,%edx 8: 4c 89 fe mov %r15,%rsi b: 31 ff xor %edi,%edi d: e8 56 a6 fb ff call 0xfffffffffffba668 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 6.903465] RSP: 0018:ff835a92c17c39d0 EFLAGS: 00010286 [ 6.903495] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 6.903536] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf7830f7200 [ 6.903578] RBP: 0000000000000000 R08: ff29fcf78321aa50 R09: ff29fcf7819b7030 [ 6.903621] R10: ff29fcf787444118 R11: fefefefefefefeff R12: 0000000000000000 [ 6.903664] R13: 0000000000000010 R14: ff29fcf787444000 R15: ff29fcf7830f7200 [ 6.903705] FS: 00007f85b66ffb80(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000 [ 6.903748] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.903788] CR2: 00005637c45e58e0 CR3: 0000000006800001 CR4: 0000000000771ef0 [ 6.903831] PKRU: 55555554 [ 6.903846] Call Trace: [ 6.903861] [ 6.903877] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 6.903902] register_netdevice (net/core/dev.c:11488) [ 6.903930] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim [ 6.903967] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim [ 6.904000] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim [ 6.904031] really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709) [ 6.904054] ? driver_probe_device (./include/linux/list.h:164 (discriminator 3)) [ 6.904084] __driver_probe_device (drivers/base/dd.c:871) [ 6.904113] driver_probe_device (drivers/base/dd.c:901) [ 6.904134] __device_attach_driver (drivers/base/dd.c:1029) [ 6.904164] bus_for_each_drv (drivers/base/bus.c:500) [ 6.904186] __device_attach (drivers/base/dd.c:1101) [ 6.904209] device_initial_probe (drivers/base/dd.c:1156) [ 6.904229] bus_probe_device (drivers/base/bus.c:613) [ 6.904252] device_add (drivers/base/core.c:3706) [ 6.904274] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim [ 6.904302] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 6.904332] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 6.904353] ksys_write (fs/read_write.c:740) [ 6.904373] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 6.904397] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 6.904424] RIP: 0033:0x7f85b677108e [ 6.904449] 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 [ 6.904546] RSP: 002b:00007ffd43077eb0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 6.904590] RAX: ffffffffffffffda RBX: 00007f85b68f3580 RCX: 00007f85b677108e [ 6.904634] RDX: 0000000000000004 RSI: 00005637e4911250 RDI: 0000000000000001 [ 6.904676] RBP: 00007ffd43077ec0 R08: 0000000000000000 R09: 0000000000000000 [ 6.904723] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 6.904768] R13: 0000000000000004 R14: 00005637e4911250 R15: 0000000000000000 | [ 6.905167] ------------[ cut here ]------------ | [ 6.905198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/2286 | [ 6.905258] Modules linked in: netdevsim [last unloaded: netconsole] | [ 6.905359] Tainted: [W]=WARN [ 6.905381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6.905414] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 6.905441] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff All code ======== 0: 80 00 00 addb $0x0,(%rax) 3: 00 e8 add %ch,%al 5: 09 d9 or %ebx,%ecx 7: ff (bad) 8: ff 48 83 decl -0x7d(%rax) b: c4 (bad) c: 38 85 c0 75 18 48 cmp %al,0x481875c0(%rbp) 12: 83 c4 08 add $0x8,%esp 15: 4c 89 f8 mov %r15,%rax 18: 5b pop %rbx 19: 5d pop %rbp 1a: 41 5c pop %r12 1c: 41 5d pop %r13 1e: 41 5e pop %r14 20: 41 5f pop %r15 22: c3 ret 23: 44 8b 48 08 mov 0x8(%rax),%r9d 27: eb b4 jmp 0xffffffffffffffdd 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 4c 89 fe mov %r15,%rsi 35: 31 ff xor %edi,%edi 37: e8 56 a6 fb ff call 0xfffffffffffba692 3c: b9 .byte 0xb9 3d: a6 cmpsb (%rdi),(%rsi) 3e: ff (bad) 3f: ff .byte 0xff Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: ba 02 00 00 00 mov $0x2,%edx 8: 4c 89 fe mov %r15,%rsi b: 31 ff xor %edi,%edi d: e8 56 a6 fb ff call 0xfffffffffffba668 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 6.905543] RSP: 0018:ff835a92c17c39d0 EFLAGS: 00010286 [ 6.905574] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 6.905622] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf7830f7300 [ 6.905662] RBP: 0000000000000000 R08: ff29fcf783220090 R09: ff29fcf7819b5030 [ 6.905709] R10: ff29fcf78512a118 R11: fefefefefefefeff R12: 0000000000000000 [ 6.905753] R13: 0000000000000010 R14: ff29fcf78512a000 R15: ff29fcf7830f7300 [ 6.905789] FS: 00007f85b66ffb80(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000 [ 6.905833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.905869] CR2: 00005637c45e58e0 CR3: 0000000006800001 CR4: 0000000000771ef0 [ 6.905916] PKRU: 55555554 [ 6.905935] Call Trace: [ 6.905948] [ 6.905961] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 6.905982] register_netdevice (net/core/dev.c:11488) [ 6.906002] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim [ 6.906033] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim [ 6.906060] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim [ 6.906092] really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709) [ 6.906113] ? driver_probe_device (./include/linux/list.h:164 (discriminator 3)) [ 6.906142] __driver_probe_device (drivers/base/dd.c:871) [ 6.906168] driver_probe_device (drivers/base/dd.c:901) [ 6.906188] __device_attach_driver (drivers/base/dd.c:1029) [ 6.906217] bus_for_each_drv (drivers/base/bus.c:500) [ 6.906240] __device_attach (drivers/base/dd.c:1101) [ 6.906263] device_initial_probe (drivers/base/dd.c:1156) [ 6.906286] bus_probe_device (drivers/base/bus.c:613) [ 6.906308] device_add (drivers/base/core.c:3706) [ 6.906327] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim [ 6.906357] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 6.906387] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 6.906410] ksys_write (fs/read_write.c:740) [ 6.906431] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 6.906453] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 6.906483] RIP: 0033:0x7f85b677108e [ 6.906506] 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 [ 6.906604] RSP: 002b:00007ffd43077ee0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 6.906647] RAX: ffffffffffffffda RBX: 00007f85b68f3580 RCX: 00007f85b677108e [ 6.906694] RDX: 0000000000000004 RSI: 00005637e4911250 RDI: 0000000000000001 [ 6.906735] RBP: 00007ffd43077ef0 R08: 0000000000000000 R09: 0000000000000000 [ 6.906777] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 6.906820] R13: 0000000000000004 R14: 00005637e4911250 R15: 0000000000000000 | [ 6.938939] ------------[ cut here ]------------ | [ 6.938995] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/2318 | [ 6.939047] Modules linked in: netdevsim [last unloaded: netconsole] | [ 6.939149] Tainted: [W]=WARN [ 6.939171] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6.939213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 6.939243] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff All code ======== 0: 80 00 00 addb $0x0,(%rax) 3: 00 e8 add %ch,%al 5: 09 d9 or %ebx,%ecx 7: ff (bad) 8: ff 48 83 decl -0x7d(%rax) b: c4 (bad) c: 38 85 c0 75 18 48 cmp %al,0x481875c0(%rbp) 12: 83 c4 08 add $0x8,%esp 15: 4c 89 f8 mov %r15,%rax 18: 5b pop %rbx 19: 5d pop %rbp 1a: 41 5c pop %r12 1c: 41 5d pop %r13 1e: 41 5e pop %r14 20: 41 5f pop %r15 22: c3 ret 23: 44 8b 48 08 mov 0x8(%rax),%r9d 27: eb b4 jmp 0xffffffffffffffdd 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 4c 89 fe mov %r15,%rsi 35: 31 ff xor %edi,%edi 37: e8 56 a6 fb ff call 0xfffffffffffba692 3c: b9 .byte 0xb9 3d: a6 cmpsb (%rdi),(%rsi) 3e: ff (bad) 3f: ff .byte 0xff Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: ba 02 00 00 00 mov $0x2,%edx 8: 4c 89 fe mov %r15,%rsi b: 31 ff xor %edi,%edi d: e8 56 a6 fb ff call 0xfffffffffffba668 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 6.939339] RSP: 0018:ff835a92c08d36d8 EFLAGS: 00010286 [ 6.939363] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 6.939404] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c36b00 [ 6.939448] RBP: 0000000000000000 R08: ff29fcf78321aa50 R09: ff29fcf788421030 [ 6.939492] R10: ff29fcf787444118 R11: fefefefefefefeff R12: ff835a92c08d378c [ 6.939535] R13: 0000000000000011 R14: ff29fcf787444000 R15: ff29fcf781c36b00 [ 6.939577] FS: 00007f1cbfc8e840(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000 [ 6.939625] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.939664] CR2: 0000000009411988 CR3: 0000000008f67001 CR4: 0000000000771ef0 [ 6.939709] PKRU: 55555554 [ 6.939725] Call Trace: [ 6.939740] [ 6.939756] rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567) [ 6.939779] __dev_change_net_namespace (net/core/dev.c:12635) [ 6.939805] ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3)) [ 6.939826] do_setlink.isra.0 (net/core/rtnetlink.c:3108) [ 6.939848] ? __nla_validate_parse (lib/nlattr.c:620) [ 6.939879] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 6.939907] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 6.939938] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 6.939968] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 6.939993] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 6.940015] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 6.940044] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 6.940071] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 6.940093] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 6.940113] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 6.940136] ___sys_sendmsg (net/socket.c:2752) [ 6.940160] __sys_sendmsg (net/socket.c:2784) [ 6.940182] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 6.940205] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 6.940232] RIP: 0033:0x7f1cbfec808e [ 6.940259] 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 [ 6.940359] RSP: 002b:00007ffdd94477d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 6.940407] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1cbfec808e [ 6.940448] RDX: 0000000000000000 RSI: 00007ffdd9447880 RDI: 0000000000000005 [ 6.940488] RBP: 00007ffdd94477e0 R08: 0000000000000000 R09: 0000000000000000 [ 6.940528] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db73 [ 6.940573] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd9447f40 | [ 6.940708] ------------[ cut here ]------------ | [ 6.940737] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/2318 | [ 6.940792] Modules linked in: netdevsim [last unloaded: netconsole] | [ 6.940883] Tainted: [W]=WARN [ 6.940909] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6.940945] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 6.940973] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff All code ======== 0: 80 00 00 addb $0x0,(%rax) 3: 00 e8 add %ch,%al 5: 09 d9 or %ebx,%ecx 7: ff (bad) 8: ff 48 83 decl -0x7d(%rax) b: c4 (bad) c: 38 85 c0 75 18 48 cmp %al,0x481875c0(%rbp) 12: 83 c4 08 add $0x8,%esp 15: 4c 89 f8 mov %r15,%rax 18: 5b pop %rbx 19: 5d pop %rbp 1a: 41 5c pop %r12 1c: 41 5d pop %r13 1e: 41 5e pop %r14 20: 41 5f pop %r15 22: c3 ret 23: 44 8b 48 08 mov 0x8(%rax),%r9d 27: eb b4 jmp 0xffffffffffffffdd 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 4c 89 fe mov %r15,%rsi 35: 31 ff xor %edi,%edi 37: e8 56 a6 fb ff call 0xfffffffffffba692 3c: b9 .byte 0xb9 3d: a6 cmpsb (%rdi),(%rsi) 3e: ff (bad) 3f: ff .byte 0xff Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: ba 02 00 00 00 mov $0x2,%edx 8: 4c 89 fe mov %r15,%rsi b: 31 ff xor %edi,%edi d: e8 56 a6 fb ff call 0xfffffffffffba668 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 6.941070] RSP: 0018:ff835a92c08d36c8 EFLAGS: 00010286 [ 6.941101] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 6.941144] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781df1700 [ 6.941188] RBP: 0000000000000000 R08: ff29fcf78321aa50 R09: ff29fcf7819b6030 [ 6.941229] R10: ff29fcf787444118 R11: fefefefefefefeff R12: 0000000000000000 [ 6.941270] R13: 0000000000000010 R14: ff29fcf787444000 R15: ff29fcf781df1700 [ 6.941316] FS: 00007f1cbfc8e840(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000 [ 6.941358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.941388] CR2: 0000000009411988 CR3: 0000000008f67001 CR4: 0000000000771ef0 [ 6.941433] PKRU: 55555554 [ 6.941447] Call Trace: [ 6.941460] [ 6.941475] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 6.941496] __dev_change_net_namespace (net/core/dev.c:12695) [ 6.941522] ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3)) [ 6.941543] do_setlink.isra.0 (net/core/rtnetlink.c:3108) [ 6.941563] ? __nla_validate_parse (lib/nlattr.c:620) [ 6.941594] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 6.941618] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 6.941640] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 6.941669] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 6.941692] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 6.941712] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 6.941742] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 6.941763] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 6.941783] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 6.941804] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 6.941826] ___sys_sendmsg (net/socket.c:2752) [ 6.941847] __sys_sendmsg (net/socket.c:2784) [ 6.941869] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 6.941890] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 6.941925] RIP: 0033:0x7f1cbfec808e [ 6.941949] 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 [ 6.942050] RSP: 002b:00007ffdd94477d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 6.942092] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1cbfec808e [ 6.942131] RDX: 0000000000000000 RSI: 00007ffdd9447880 RDI: 0000000000000005 [ 6.942172] RBP: 00007ffdd94477e0 R08: 0000000000000000 R09: 0000000000000000 [ 6.942211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db73 [ 6.942258] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd9447f40 | [ 6.953224] ------------[ cut here ]------------ | [ 6.953258] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/2320 | [ 6.953302] Modules linked in: netdevsim [last unloaded: netconsole] | [ 6.953397] Tainted: [W]=WARN [ 6.953417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6.953450] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 6.953476] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff All code ======== 0: 80 00 00 addb $0x0,(%rax) 3: 00 e8 add %ch,%al 5: 09 d9 or %ebx,%ecx 7: ff (bad) 8: ff 48 83 decl -0x7d(%rax) b: c4 (bad) c: 38 85 c0 75 18 48 cmp %al,0x481875c0(%rbp) 12: 83 c4 08 add $0x8,%esp 15: 4c 89 f8 mov %r15,%rax 18: 5b pop %rbx 19: 5d pop %rbp 1a: 41 5c pop %r12 1c: 41 5d pop %r13 1e: 41 5e pop %r14 20: 41 5f pop %r15 22: c3 ret 23: 44 8b 48 08 mov 0x8(%rax),%r9d 27: eb b4 jmp 0xffffffffffffffdd 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 4c 89 fe mov %r15,%rsi 35: 31 ff xor %edi,%edi 37: e8 56 a6 fb ff call 0xfffffffffffba692 3c: b9 .byte 0xb9 3d: a6 cmpsb (%rdi),(%rsi) 3e: ff (bad) 3f: ff .byte 0xff Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: ba 02 00 00 00 mov $0x2,%edx 8: 4c 89 fe mov %r15,%rsi b: 31 ff xor %edi,%edi d: e8 56 a6 fb ff call 0xfffffffffffba668 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 6.953579] RSP: 0018:ff835a92c08c3720 EFLAGS: 00010286 [ 6.953608] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000 [ 6.953652] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf783070200 [ 6.953693] RBP: 0000000000000000 R08: ff29fcf78321aa50 R09: ff29fcf7819b6030 [ 6.953735] R10: ff29fcf787444118 R11: fefefefefefefeff R12: 0000000000000000 [ 6.953777] R13: 0000000000000010 R14: ff29fcf787444000 R15: ff29fcf783070200 [ 6.953820] FS: 00007ff0f2637840(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000 [ 6.953865] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.953911] CR2: 0000000006cd7988 CR3: 00000000067db004 CR4: 0000000000771ef0 [ 6.953959] PKRU: 55555554 [ 6.953974] Call Trace: [ 6.953989] [ 6.954006] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 6.954031] __dev_notify_flags (net/core/dev.c:9787) [ 6.954055] ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288) [ 6.954076] netif_change_flags (net/core/dev.c:9820) [ 6.954098] do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1)) [ 6.954122] ? __nla_validate_parse (lib/nlattr.c:620) [ 6.954151] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 6.954178] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 6.954201] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 6.954229] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 6.954250] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 6.954274] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 6.954304] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 6.954325] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 6.954349] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 6.954371] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 6.954398] ___sys_sendmsg (net/socket.c:2752) [ 6.954422] __sys_sendmsg (net/socket.c:2784) [ 6.954447] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 6.954472] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 6.954503] RIP: 0033:0x7ff0f287108e [ 6.954528] 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 [ 6.954632] RSP: 002b:00007ffe76a5d220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 6.954675] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff0f287108e [ 6.954720] RDX: 0000000000000000 RSI: 00007ffe76a5d2d0 RDI: 0000000000000005 [ 6.954762] RBP: 00007ffe76a5d230 R08: 0000000000000000 R09: 0000000000000000 [ 6.954805] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db73 [ 6.954846] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe76a5d990 | [ 6.960479] ------------[ cut here ]------------ | [ 6.960509] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/2322 | [ 6.960556] Modules linked in: netdevsim [last unloaded: netconsole] | [ 6.960646] Tainted: [W]=WARN [ 6.960666] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6.960700] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 6.960728] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff All code ======== 0: 80 00 00 addb $0x0,(%rax) 3: 00 e8 add %ch,%al 5: 09 d9 or %ebx,%ecx 7: ff (bad) 8: ff 48 83 decl -0x7d(%rax) b: c4 (bad) c: 38 85 c0 75 18 48 cmp %al,0x481875c0(%rbp) 12: 83 c4 08 add $0x8,%esp 15: 4c 89 f8 mov %r15,%rax 18: 5b pop %rbx 19: 5d pop %rbp 1a: 41 5c pop %r12 1c: 41 5d pop %r13 1e: 41 5e pop %r14 20: 41 5f pop %r15 22: c3 ret 23: 44 8b 48 08 mov 0x8(%rax),%r9d 27: eb b4 jmp 0xffffffffffffffdd 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 4c 89 fe mov %r15,%rsi 35: 31 ff xor %edi,%edi 37: e8 56 a6 fb ff call 0xfffffffffffba692 3c: b9 .byte 0xb9 3d: a6 cmpsb (%rdi),(%rsi) 3e: ff (bad) 3f: ff .byte 0xff Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: ba 02 00 00 00 mov $0x2,%edx 8: 4c 89 fe mov %r15,%rsi b: 31 ff xor %edi,%edi d: e8 56 a6 fb ff call 0xfffffffffffba668 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 6.960823] RSP: 0018:ff835a92c08b3720 EFLAGS: 00010286 [ 6.960853] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000 [ 6.960892] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf783071c00 [ 6.960946] RBP: 0000000000000000 R08: ff29fcf783220090 R09: ff29fcf7819b6030 [ 6.960984] R10: ff29fcf78512a118 R11: fefefefefefefeff R12: 0000000000000000 [ 6.961021] R13: 0000000000000010 R14: ff29fcf78512a000 R15: ff29fcf783071c00 [ 6.961065] FS: 00007f903e6e9840(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000 [ 6.961106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.961141] CR2: 0000000007411988 CR3: 00000000067db001 CR4: 0000000000771ef0 [ 6.961179] PKRU: 55555554 [ 6.961194] Call Trace: [ 6.961207] [ 6.961223] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 6.961247] __dev_notify_flags (net/core/dev.c:9787) [ 6.961268] ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288) [ 6.961292] netif_change_flags (net/core/dev.c:9820) [ 6.961314] do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1)) [ 6.961337] ? __nla_validate_parse (lib/nlattr.c:620) [ 6.961365] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 6.961388] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 6.961411] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 6.961439] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 6.961461] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 6.961485] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 6.961514] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 6.961535] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 6.961557] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 6.961580] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 6.961604] ___sys_sendmsg (net/socket.c:2752) [ 6.961627] __sys_sendmsg (net/socket.c:2784) [ 6.961650] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 6.961672] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 6.961701] RIP: 0033:0x7f903e92308e [ 6.961722] 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 [ 6.961818] RSP: 002b:00007ffc01fa70f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 6.961862] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f903e92308e [ 6.961906] RDX: 0000000000000000 RSI: 00007ffc01fa71a0 RDI: 0000000000000005 [ 6.961950] RBP: 00007ffc01fa7100 R08: 0000000000000000 R09: 0000000000000000 [ 6.961990] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db73 [ 6.962028] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc01fa7860 | [ 7.010621] ------------[ cut here ]------------ | [ 7.010695] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/2286 | [ 7.010784] Modules linked in: netconsole netdevsim [last unloaded: netconsole] | [ 7.011024] Tainted: [W]=WARN [ 7.011081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.011154] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 7.011218] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff All code ======== 0: 80 00 00 addb $0x0,(%rax) 3: 00 e8 add %ch,%al 5: 09 d9 or %ebx,%ecx 7: ff (bad) 8: ff 48 83 decl -0x7d(%rax) b: c4 (bad) c: 38 85 c0 75 18 48 cmp %al,0x481875c0(%rbp) 12: 83 c4 08 add $0x8,%esp 15: 4c 89 f8 mov %r15,%rax 18: 5b pop %rbx 19: 5d pop %rbp 1a: 41 5c pop %r12 1c: 41 5d pop %r13 1e: 41 5e pop %r14 20: 41 5f pop %r15 22: c3 ret 23: 44 8b 48 08 mov 0x8(%rax),%r9d 27: eb b4 jmp 0xffffffffffffffdd 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 4c 89 fe mov %r15,%rsi 35: 31 ff xor %edi,%edi 37: e8 56 a6 fb ff call 0xfffffffffffba692 3c: b9 .byte 0xb9 3d: a6 cmpsb (%rdi),(%rsi) 3e: ff (bad) 3f: ff .byte 0xff Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: ba 02 00 00 00 mov $0x2,%edx 8: 4c 89 fe mov %r15,%rsi b: 31 ff xor %edi,%edi d: e8 56 a6 fb ff call 0xfffffffffffba668 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 7.011363] RSP: 0018:ff835a92c17c3b18 EFLAGS: 00010286 [ 7.011425] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000 [ 7.011498] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf783070200 [ 7.011579] RBP: 0000000000000000 R08: ff29fcf78321aa50 R09: ff29fcf78513a030 [ 7.011661] R10: ff29fcf787444118 R11: fefefefefefefeff R12: 0000000000000000 [ 7.011740] R13: 0000000000000010 R14: ff29fcf787444000 R15: ff29fcf783070200 [ 7.011826] FS: 00007f85b66ffb80(0000) GS:ff29fcf83135a000(0000) knlGS:0000000000000000 [ 7.011914] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.011989] CR2: 00005637e48be3ec CR3: 0000000006800003 CR4: 0000000000771ef0 [ 7.012069] PKRU: 55555554 [ 7.012117] Call Trace: [ 7.012164] [ 7.012212] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 7.012268] netif_close_many (net/core/dev.c:1804) [ 7.012325] unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400) [ 7.012393] ? __destroy_inode (fs/inode.c:371) [ 7.012453] unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309) [ 7.012524] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim [ 7.012599] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim [ 7.012675] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim [ 7.012750] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim [ 7.012824] device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375) [ 7.012895] bus_remove_device (drivers/base/bus.c:657) [ 7.012972] ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977) [ 7.013044] device_del (drivers/base/core.c:3895) [ 7.013103] device_unregister (drivers/base/core.c:3936) [ 7.013163] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim [ 7.013230] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 7.013294] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 7.013351] ksys_write (fs/read_write.c:740) [ 7.013407] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 7.013462] ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272) [ 7.013527] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 7.013589] RIP: 0033:0x7f85b677108e [ 7.013645] 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 [ 7.013780] RSP: 002b:00007ffd43079340 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 7.013855] RAX: ffffffffffffffda RBX: 00007f85b68f3580 RCX: 00007f85b677108e [ 7.013944] RDX: 0000000000000004 RSI: 00005637e4911250 RDI: 0000000000000001 [ 7.014020] RBP: 00007ffd43079350 R08: 0000000000000000 R09: 0000000000000000 [ 7.014096] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 7.014174] R13: 0000000000000004 R14: 00005637e4911250 R15: 0000000000000000 | [ 7.014429] ------------[ cut here ]------------ | [ 7.014495] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/2286 | [ 7.014583] Modules linked in: netconsole netdevsim [last unloaded: netconsole] | [ 7.014759] Tainted: [W]=WARN [ 7.014815] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.014885] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 7.014970] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff All code ======== 0: 80 00 00 addb $0x0,(%rax) 3: 00 e8 add %ch,%al 5: 09 d9 or %ebx,%ecx 7: ff (bad) 8: ff 48 83 decl -0x7d(%rax) b: c4 (bad) c: 38 85 c0 75 18 48 cmp %al,0x481875c0(%rbp) 12: 83 c4 08 add $0x8,%esp 15: 4c 89 f8 mov %r15,%rax 18: 5b pop %rbx 19: 5d pop %rbp 1a: 41 5c pop %r12 1c: 41 5d pop %r13 1e: 41 5e pop %r14 20: 41 5f pop %r15 22: c3 ret 23: 44 8b 48 08 mov 0x8(%rax),%r9d 27: eb b4 jmp 0xffffffffffffffdd 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 4c 89 fe mov %r15,%rsi 35: 31 ff xor %edi,%edi 37: e8 56 a6 fb ff call 0xfffffffffffba692 3c: b9 .byte 0xb9 3d: a6 cmpsb (%rdi),(%rsi) 3e: ff (bad) 3f: ff .byte 0xff Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: ba 02 00 00 00 mov $0x2,%edx 8: 4c 89 fe mov %r15,%rsi b: 31 ff xor %edi,%edi d: e8 56 a6 fb ff call 0xfffffffffffba668 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 7.015111] RSP: 0018:ff835a92c17c3b88 EFLAGS: 00010286 [ 7.015173] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 7.015247] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf783070200 [ 7.015330] RBP: 0000000000000000 R08: ff29fcf78321aa50 R09: ff29fcf78741a830 [ 7.015409] R10: ff29fcf787444118 R11: fefefefefefefeff R12: 0000000000000000 [ 7.015491] R13: 0000000000000011 R14: ff29fcf787444000 R15: ff29fcf783070200 [ 7.015575] FS: 00007f85b66ffb80(0000) GS:ff29fcf83135a000(0000) knlGS:0000000000000000 [ 7.015654] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.015726] CR2: 00005637e48be3ec CR3: 0000000006800003 CR4: 0000000000771ef0 [ 7.015805] PKRU: 55555554 [ 7.015853] Call Trace: [ 7.015906] [ 7.015964] unregister_netdevice_many_notify (net/core/dev.c:12439) [ 7.016030] unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309) [ 7.016096] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim [ 7.016164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim [ 7.016229] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim [ 7.016295] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim [ 7.016362] device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375) [ 7.016427] bus_remove_device (drivers/base/bus.c:657) [ 7.016484] ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977) [ 7.016549] device_del (drivers/base/core.c:3895) [ 7.016606] device_unregister (drivers/base/core.c:3936) [ 7.016664] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim [ 7.016729] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 7.016793] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 7.016853] ksys_write (fs/read_write.c:740) [ 7.016914] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 7.016975] ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272) [ 7.017040] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 7.017101] RIP: 0033:0x7f85b677108e [ 7.017162] 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 [ 7.017303] RSP: 002b:00007ffd43079340 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 7.017387] RAX: ffffffffffffffda RBX: 00007f85b68f3580 RCX: 00007f85b677108e [ 7.017467] RDX: 0000000000000004 RSI: 00005637e4911250 RDI: 0000000000000001 [ 7.017550] RBP: 00007ffd43079350 R08: 0000000000000000 R09: 0000000000000000 [ 7.017629] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 7.017706] R13: 0000000000000004 R14: 00005637e4911250 R15: 0000000000000000 | [ 7.042121] ------------[ cut here ]------------ | [ 7.042215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/2286 | [ 7.042301] Modules linked in: netconsole netdevsim [last unloaded: netconsole] | [ 7.042474] Tainted: [W]=WARN [ 7.042528] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.042600] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 7.042662] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff All code ======== 0: 80 00 00 addb $0x0,(%rax) 3: 00 e8 add %ch,%al 5: 09 d9 or %ebx,%ecx 7: ff (bad) 8: ff 48 83 decl -0x7d(%rax) b: c4 (bad) c: 38 85 c0 75 18 48 cmp %al,0x481875c0(%rbp) 12: 83 c4 08 add $0x8,%esp 15: 4c 89 f8 mov %r15,%rax 18: 5b pop %rbx 19: 5d pop %rbp 1a: 41 5c pop %r12 1c: 41 5d pop %r13 1e: 41 5e pop %r14 20: 41 5f pop %r15 22: c3 ret 23: 44 8b 48 08 mov 0x8(%rax),%r9d 27: eb b4 jmp 0xffffffffffffffdd 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 4c 89 fe mov %r15,%rsi 35: 31 ff xor %edi,%edi 37: e8 56 a6 fb ff call 0xfffffffffffba692 3c: b9 .byte 0xb9 3d: a6 cmpsb (%rdi),(%rsi) 3e: ff (bad) 3f: ff .byte 0xff Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: ba 02 00 00 00 mov $0x2,%edx 8: 4c 89 fe mov %r15,%rsi b: 31 ff xor %edi,%edi d: e8 56 a6 fb ff call 0xfffffffffffba668 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 7.042793] RSP: 0018:ff835a92c17c3b18 EFLAGS: 00010286 [ 7.042858] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000 [ 7.042953] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf783071f00 [ 7.043026] RBP: 0000000000000000 R08: ff29fcf783220090 R09: ff29fcf78513c030 [ 7.043108] R10: ff29fcf78512a118 R11: fefefefefefefeff R12: 0000000000000000 [ 7.043183] R13: 0000000000000010 R14: ff29fcf78512a000 R15: ff29fcf783071f00 [ 7.043264] FS: 00007f85b66ffb80(0000) GS:ff29fcf83135a000(0000) knlGS:0000000000000000 [ 7.043342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.043411] CR2: 00005637e48be3ec CR3: 0000000006800005 CR4: 0000000000771ef0 [ 7.043489] PKRU: 55555554 [ 7.043537] Call Trace: [ 7.043586] [ 7.043635] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 7.043693] netif_close_many (net/core/dev.c:1804) [ 7.043750] unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400) [ 7.043812] ? __destroy_inode (fs/inode.c:371) [ 7.043868] unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309) [ 7.043942] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim [ 7.044007] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim [ 7.044073] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim [ 7.044137] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim [ 7.044201] device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375) [ 7.044267] bus_remove_device (drivers/base/bus.c:657) [ 7.044322] ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977) [ 7.044386] device_del (drivers/base/core.c:3895) [ 7.044443] device_unregister (drivers/base/core.c:3936) [ 7.044498] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim [ 7.044561] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 7.044625] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 7.044680] ksys_write (fs/read_write.c:740) [ 7.044737] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 7.044792] ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272) [ 7.044857] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 7.044933] RIP: 0033:0x7f85b677108e [ 7.044989] 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 [ 7.045121] RSP: 002b:00007ffd43079440 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 7.045197] RAX: ffffffffffffffda RBX: 00007f85b68f3580 RCX: 00007f85b677108e [ 7.045273] RDX: 0000000000000004 RSI: 00005637e4911250 RDI: 0000000000000001 [ 7.045350] RBP: 00007ffd43079450 R08: 0000000000000000 R09: 0000000000000000 [ 7.045425] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 7.045502] R13: 0000000000000004 R14: 00005637e4911250 R15: 0000000000000000 | [ 7.045835] ------------[ cut here ]------------ | [ 7.045906] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/2286 | [ 7.045994] Modules linked in: netconsole netdevsim [last unloaded: netconsole] | [ 7.046162] Tainted: [W]=WARN [ 7.046215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.046282] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 7.046344] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff All code ======== 0: 80 00 00 addb $0x0,(%rax) 3: 00 e8 add %ch,%al 5: 09 d9 or %ebx,%ecx 7: ff (bad) 8: ff 48 83 decl -0x7d(%rax) b: c4 (bad) c: 38 85 c0 75 18 48 cmp %al,0x481875c0(%rbp) 12: 83 c4 08 add $0x8,%esp 15: 4c 89 f8 mov %r15,%rax 18: 5b pop %rbx 19: 5d pop %rbp 1a: 41 5c pop %r12 1c: 41 5d pop %r13 1e: 41 5e pop %r14 20: 41 5f pop %r15 22: c3 ret 23: 44 8b 48 08 mov 0x8(%rax),%r9d 27: eb b4 jmp 0xffffffffffffffdd 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 4c 89 fe mov %r15,%rsi 35: 31 ff xor %edi,%edi 37: e8 56 a6 fb ff call 0xfffffffffffba692 3c: b9 .byte 0xb9 3d: a6 cmpsb (%rdi),(%rsi) 3e: ff (bad) 3f: ff .byte 0xff Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: ba 02 00 00 00 mov $0x2,%edx 8: 4c 89 fe mov %r15,%rsi b: 31 ff xor %edi,%edi d: e8 56 a6 fb ff call 0xfffffffffffba668 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 7.046480] RSP: 0018:ff835a92c17c3b88 EFLAGS: 00010286 [ 7.046541] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 7.046617] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf783071f00 [ 7.046693] RBP: 0000000000000000 R08: ff29fcf783220090 R09: ff29fcf788423830 [ 7.046767] R10: ff29fcf78512a118 R11: fefefefefefefeff R12: 0000000000000000 [ 7.046843] R13: 0000000000000011 R14: ff29fcf78512a000 R15: ff29fcf783071f00 [ 7.046935] FS: 00007f85b66ffb80(0000) GS:ff29fcf83135a000(0000) knlGS:0000000000000000 [ 7.047012] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.047079] CR2: 00005637e48be3ec CR3: 0000000006800005 CR4: 0000000000771ef0 [ 7.047157] PKRU: 55555554 [ 7.047203] Call Trace: [ 7.047250] [ 7.047298] unregister_netdevice_many_notify (net/core/dev.c:12439) [ 7.047361] unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309) [ 7.047424] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim [ 7.047489] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim [ 7.047555] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim [ 7.047620] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim [ 7.047684] device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375) [ 7.047746] bus_remove_device (drivers/base/bus.c:657) [ 7.047802] ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977) [ 7.047864] device_del (drivers/base/core.c:3895) [ 7.047936] device_unregister (drivers/base/core.c:3936) [ 7.047992] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim [ 7.048056] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 7.048120] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 7.048177] ksys_write (fs/read_write.c:740) [ 7.048234] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 7.048290] ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272) [ 7.048356] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 7.048419] RIP: 0033:0x7f85b677108e [ 7.048474] 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 [ 7.048606] RSP: 002b:00007ffd43079440 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 7.048682] RAX: ffffffffffffffda RBX: 00007f85b68f3580 RCX: 00007f85b677108e [ 7.048760] RDX: 0000000000000004 RSI: 00005637e4911250 RDI: 0000000000000001 [ 7.048838] RBP: 00007ffd43079450 R08: 0000000000000000 R09: 0000000000000000 [ 7.048921] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 7.049002] R13: 0000000000000004 R14: 00005637e4911250 R15: 0000000000000000 | [ 7.106267] ------------[ cut here ]------------ | [ 7.106322] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65 | [ 7.106381] Modules linked in: netdevsim [last unloaded: netconsole] | [ 7.106480] Tainted: [W]=WARN [ 7.106500] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.106542] Workqueue: netns cleanup_net [ 7.106567] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 7.106592] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff All code ======== 0: 80 00 00 addb $0x0,(%rax) 3: 00 e8 add %ch,%al 5: 09 d9 or %ebx,%ecx 7: ff (bad) 8: ff 48 83 decl -0x7d(%rax) b: c4 (bad) c: 38 85 c0 75 18 48 cmp %al,0x481875c0(%rbp) 12: 83 c4 08 add $0x8,%esp 15: 4c 89 f8 mov %r15,%rax 18: 5b pop %rbx 19: 5d pop %rbp 1a: 41 5c pop %r12 1c: 41 5d pop %r13 1e: 41 5e pop %r14 20: 41 5f pop %r15 22: c3 ret 23: 44 8b 48 08 mov 0x8(%rax),%r9d 27: eb b4 jmp 0xffffffffffffffdd 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 4c 89 fe mov %r15,%rsi 35: 31 ff xor %edi,%edi 37: e8 56 a6 fb ff call 0xfffffffffffba692 3c: b9 .byte 0xb9 3d: a6 cmpsb (%rdi),(%rsi) 3e: ff (bad) 3f: ff .byte 0xff Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: ba 02 00 00 00 mov $0x2,%edx 8: 4c 89 fe mov %r15,%rsi b: 31 ff xor %edi,%edi d: e8 56 a6 fb ff call 0xfffffffffffba668 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 7.106689] RSP: 0018:ff835a92c023fc08 EFLAGS: 00010286 [ 7.106719] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000 [ 7.106767] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf7830f7500 [ 7.106808] RBP: 0000000000000000 R08: ff29fcf783010490 R09: ff29fcf7829cc02c [ 7.106848] R10: ff29fcf785195118 R11: fefefefefefefeff R12: 0000000000000000 [ 7.106888] R13: 0000000000000010 R14: ff29fcf785195000 R15: ff29fcf7830f7500 [ 7.106943] FS: 0000000000000000(0000) GS:ff29fcf8312da000(0000) knlGS:0000000000000000 [ 7.106990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.107027] CR2: 00007f85b6910f98 CR3: 000000002a442003 CR4: 0000000000771ef0 [ 7.107069] PKRU: 55555554 [ 7.107085] Call Trace: [ 7.107098] [ 7.107114] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 7.107137] netif_close_many (net/core/dev.c:1804) [ 7.107162] unregister_netdevice_many_notify (net/core/dev.c:12406) [ 7.107189] default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089) [ 7.107219] ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252) [ 7.107242] cleanup_net (net/core/net_namespace.c:702) [ 7.107266] process_one_work (kernel/workqueue.c:3314) [ 7.107291] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478) [ 7.107312] ? rescuer_thread (kernel/workqueue.c:3672) [ 7.107331] kthread (kernel/kthread.c:436) [ 7.107353] ? kthread_park (kernel/kthread.c:725 (discriminator 4)) [ 7.107375] ret_from_fork (arch/x86/kernel/process.c:158) [ 7.107400] ? kthread_park (kernel/kthread.c:725 (discriminator 4)) [ 7.107421] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 7.107650] ------------[ cut here ]------------ | [ 7.107684] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65 | [ 7.107740] Modules linked in: netdevsim [last unloaded: netconsole] | [ 7.107829] Tainted: [W]=WARN [ 7.107849] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.107879] Workqueue: netns cleanup_net [ 7.107908] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 7.107940] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff All code ======== 0: 80 00 00 addb $0x0,(%rax) 3: 00 e8 add %ch,%al 5: 09 d9 or %ebx,%ecx 7: ff (bad) 8: ff 48 83 decl -0x7d(%rax) b: c4 (bad) c: 38 85 c0 75 18 48 cmp %al,0x481875c0(%rbp) 12: 83 c4 08 add $0x8,%esp 15: 4c 89 f8 mov %r15,%rax 18: 5b pop %rbx 19: 5d pop %rbp 1a: 41 5c pop %r12 1c: 41 5d pop %r13 1e: 41 5e pop %r14 20: 41 5f pop %r15 22: c3 ret 23: 44 8b 48 08 mov 0x8(%rax),%r9d 27: eb b4 jmp 0xffffffffffffffdd 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 4c 89 fe mov %r15,%rsi 35: 31 ff xor %edi,%edi 37: e8 56 a6 fb ff call 0xfffffffffffba692 3c: b9 .byte 0xb9 3d: a6 cmpsb (%rdi),(%rsi) 3e: ff (bad) 3f: ff .byte 0xff Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: ba 02 00 00 00 mov $0x2,%edx 8: 4c 89 fe mov %r15,%rsi b: 31 ff xor %edi,%edi d: e8 56 a6 fb ff call 0xfffffffffffba668 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 7.108045] RSP: 0018:ff835a92c023fc78 EFLAGS: 00010286 [ 7.108073] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 7.108113] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf7830f7500 [ 7.108153] RBP: 0000000000000000 R08: ff29fcf783010490 R09: ff29fcf781cb482c [ 7.108191] R10: ff29fcf785195118 R11: fefefefefefefeff R12: 0000000000000000 [ 7.108232] R13: 0000000000000011 R14: ff29fcf785195000 R15: ff29fcf7830f7500 [ 7.108272] FS: 0000000000000000(0000) GS:ff29fcf8312da000(0000) knlGS:0000000000000000 [ 7.108315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.108349] CR2: 00007fef6df91f98 CR3: 000000002a442003 CR4: 0000000000771ef0 [ 7.108390] PKRU: 55555554 [ 7.108409] Call Trace: [ 7.108424] [ 7.108438] unregister_netdevice_many_notify (net/core/dev.c:12439) [ 7.108468] default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089) [ 7.108495] ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252) [ 7.108517] cleanup_net (net/core/net_namespace.c:702) [ 7.108540] process_one_work (kernel/workqueue.c:3314) [ 7.108567] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478) [ 7.108589] ? rescuer_thread (kernel/workqueue.c:3672) [ 7.108612] kthread (kernel/kthread.c:436) [ 7.108632] ? kthread_park (kernel/kthread.c:725 (discriminator 4)) [ 7.108654] ret_from_fork (arch/x86/kernel/process.c:158) [ 7.108676] ? kthread_park (kernel/kthread.c:725 (discriminator 4)) Finger prints: rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:unregister_netdevice_queue:nsim_destroy:__nsim_dev_port_del rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:nsim_create:__nsim_dev_port_add rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:unregister_netdevice_queue rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg rtmsg_ifinfo_build_skb:rtmsg_ifinfo_newnet:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch