====================================== | [ 38.285558] ------------[ cut here ]------------ | [ 38.285637] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/836 | [ 38.285727] Modules linked in: netconsole netdevsim [last unloaded: netdevsim] | [ 38.285907] Tainted: [W]=WARN [ 38.285986] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.286066] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 38.286129] 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 [ 38.286265] RSP: 0018:ff7008508027bcc8 EFLAGS: 00010286 [ 38.286330] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 38.286408] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c18d3e00 [ 38.286555] RBP: 0000000000000000 R08: ff154826c2aa0e50 R09: ff154826c30c502c [ 38.286635] R10: ff154826c2e7c118 R11: fefefefefefefeff R12: 0000000000000000 [ 38.286713] R13: 0000000000000010 R14: ff154826c2e7c000 R15: ff154826c18d3e00 [ 38.286797] FS: 00007f30d668c840(0000) GS:ff1548274095a000(0000) knlGS:0000000000000000 [ 38.286876] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.286948] CR2: 00007f30d688dc20 CR3: 0000000001949006 CR4: 0000000000771ef0 [ 38.287027] PKRU: 55555554 [ 38.287082] Call Trace: [ 38.287132] [ 38.287181] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 38.287238] register_netdevice (net/core/dev.c:11488) [ 38.287296] register_netdev (net/core/dev.c:11552) [ 38.287353] loopback_net_init (drivers/net/loopback.c:218) [ 38.287412] ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973) [ 38.287487] ops_init (net/core/net_namespace.c:137) [ 38.287545] setup_net (net/core/net_namespace.c:446) [ 38.287602] copy_net_ns (net/core/net_namespace.c:579) [ 38.287660] create_new_namespaces (kernel/nsproxy.c:132) [ 38.287728] unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4)) [ 38.287795] ksys_unshare (kernel/fork.c:3243) [ 38.287855] __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315) [ 38.287913] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 38.287971] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.288044] RIP: 0033:0x7f30d694ebcb [ 38.288101] 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 [ 38.288234] RSP: 002b:00007ffc3ef14c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 38.288332] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f30d694ebcb [ 38.288410] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000 [ 38.288492] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 38.288570] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc3ef16ec0 [ 38.288647] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc3ef17849 | [ 38.291840] ------------[ cut here ]------------ | [ 38.291886] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/837 | [ 38.291952] Modules linked in: netconsole netdevsim [last unloaded: netdevsim] | [ 38.292062] Tainted: [W]=WARN [ 38.292084] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.292120] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 38.292149] 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 [ 38.292248] RSP: 0018:ff7008508027b720 EFLAGS: 00010286 [ 38.292278] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.292318] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c3149800 [ 38.292360] RBP: 0000000000000000 R08: ff154826c2aa0e50 R09: ff154826c758702c [ 38.292408] R10: ff154826c2e7c118 R11: fefefefefefefeff R12: 0000000000000000 [ 38.292457] R13: 0000000000000010 R14: ff154826c2e7c000 R15: ff154826c3149800 [ 38.292509] FS: 00007f6f5bdd9840(0000) GS:ff154827409da000(0000) knlGS:0000000000000000 [ 38.292556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.292593] CR2: 00000000321fc988 CR3: 0000000003374002 CR4: 0000000000771ef0 [ 38.292635] PKRU: 55555554 [ 38.292647] Call Trace: [ 38.292659] [ 38.292674] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 38.292694] __dev_notify_flags (net/core/dev.c:9787) [ 38.292719] ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288) [ 38.292740] netif_change_flags (net/core/dev.c:9820) [ 38.292760] do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1)) [ 38.292783] ? __nla_validate_parse (lib/nlattr.c:620) [ 38.292816] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 38.292840] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 38.292861] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 38.292893] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 38.292919] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 38.292942] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 38.292973] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 38.292996] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.293014] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 38.293039] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 38.293064] ___sys_sendmsg (net/socket.c:2752) [ 38.293091] __sys_sendmsg (net/socket.c:2784) [ 38.293114] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 38.293138] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.293167] RIP: 0033:0x7f6f5c01308e [ 38.293188] 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 [ 38.293288] RSP: 002b:00007fff1bfdbd70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.293329] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6f5c01308e [ 38.293372] RDX: 0000000000000000 RSI: 00007fff1bfdbe20 RDI: 0000000000000005 [ 38.293416] RBP: 00007fff1bfdbd80 R08: 0000000000000000 R09: 0000000000000000 [ 38.293465] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8bb [ 38.293505] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1bfdc4f0 | [ 38.302615] ------------[ cut here ]------------ | [ 38.302690] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/811 | [ 38.302778] Modules linked in: netconsole netdevsim [last unloaded: netdevsim] | [ 38.302954] Tainted: [W]=WARN [ 38.303009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.303086] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 38.303150] 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 [ 38.303288] RSP: 0018:ff700850806df9d0 EFLAGS: 00010286 [ 38.303352] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 38.303439] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c18d3a00 [ 38.303530] RBP: 0000000000000000 R08: ff154826c2aa0d10 R09: ff154826c7583030 [ 38.303607] R10: ff154826c203a118 R11: fefefefefefefeff R12: 0000000000000000 [ 38.303684] R13: 0000000000000010 R14: ff154826c203a000 R15: ff154826c18d3a00 [ 38.303768] FS: 00007f0b10401b80(0000) GS:ff1548274095a000(0000) knlGS:0000000000000000 [ 38.303848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.303918] CR2: 000055d9b13cc8e0 CR3: 0000000005289001 CR4: 0000000000771ef0 [ 38.303997] PKRU: 55555554 [ 38.304056] Call Trace: [ 38.304105] [ 38.304154] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 38.304212] register_netdevice (net/core/dev.c:11488) [ 38.304270] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim [ 38.304340] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim [ 38.304409] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim [ 38.304481] really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709) [ 38.304541] ? driver_probe_device (./include/linux/list.h:164 (discriminator 3)) [ 38.304605] __driver_probe_device (drivers/base/dd.c:871) [ 38.304675] driver_probe_device (drivers/base/dd.c:901) [ 38.304735] __device_attach_driver (drivers/base/dd.c:1029) [ 38.304800] bus_for_each_drv (drivers/base/bus.c:500) [ 38.304858] __device_attach (drivers/base/dd.c:1101) [ 38.304916] device_initial_probe (drivers/base/dd.c:1156) [ 38.304974] bus_probe_device (drivers/base/bus.c:613) [ 38.305032] device_add (drivers/base/core.c:3706) [ 38.305101] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim [ 38.305168] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 38.305234] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 38.305294] ksys_write (fs/read_write.c:740) [ 38.305352] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 38.305410] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.305480] RIP: 0033:0x7f0b1047308e [ 38.305536] 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 [ 38.305671] RSP: 002b:00007ffde80319e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 38.305753] RAX: ffffffffffffffda RBX: 00007f0b105f5580 RCX: 00007f0b1047308e [ 38.305831] RDX: 0000000000000004 RSI: 000055d9e641b3e0 RDI: 0000000000000001 [ 38.305908] RBP: 00007ffde80319f0 R08: 0000000000000000 R09: 0000000000000000 [ 38.305989] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 38.306072] R13: 0000000000000004 R14: 000055d9e641b3e0 R15: 0000000000000000 | [ 38.306494] ------------[ cut here ]------------ | [ 38.306579] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/811 | [ 38.306673] Modules linked in: netconsole netdevsim [last unloaded: netdevsim] | [ 38.306857] Tainted: [W]=WARN [ 38.306912] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.306981] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 38.307054] 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 [ 38.307192] RSP: 0018:ff700850806df9d0 EFLAGS: 00010286 [ 38.307256] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 38.307336] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c3149d00 [ 38.307414] RBP: 0000000000000000 R08: ff154826c2ac38d0 R09: ff154826c7581030 [ 38.307500] R10: ff154826c30f6118 R11: fefefefefefefeff R12: 0000000000000000 [ 38.307577] R13: 0000000000000010 R14: ff154826c30f6000 R15: ff154826c3149d00 [ 38.307659] FS: 00007f0b10401b80(0000) GS:ff1548274095a000(0000) knlGS:0000000000000000 [ 38.307740] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.307813] CR2: 000055d9b13cc8e0 CR3: 0000000005289001 CR4: 0000000000771ef0 [ 38.307894] PKRU: 55555554 [ 38.307943] Call Trace: [ 38.307992] [ 38.308054] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 38.308111] register_netdevice (net/core/dev.c:11488) [ 38.308169] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim [ 38.308236] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim [ 38.308303] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim [ 38.308369] really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709) [ 38.308714] ? driver_probe_device (./include/linux/list.h:164 (discriminator 3)) [ 38.308782] __driver_probe_device (drivers/base/dd.c:871) [ 38.308848] driver_probe_device (drivers/base/dd.c:901) [ 38.308908] __device_attach_driver (drivers/base/dd.c:1029) [ 38.308973] bus_for_each_drv (drivers/base/bus.c:500) [ 38.309030] __device_attach (drivers/base/dd.c:1101) [ 38.309095] device_initial_probe (drivers/base/dd.c:1156) [ 38.309153] bus_probe_device (drivers/base/bus.c:613) [ 38.309210] device_add (drivers/base/core.c:3706) [ 38.309268] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim [ 38.309335] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 38.309400] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 38.309464] ksys_write (fs/read_write.c:740) [ 38.309523] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 38.309581] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.309646] RIP: 0033:0x7f0b1047308e [ 38.309702] 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 [ 38.309839] RSP: 002b:00007ffde8031a10 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 38.309920] RAX: ffffffffffffffda RBX: 00007f0b105f5580 RCX: 00007f0b1047308e [ 38.310000] RDX: 0000000000000004 RSI: 000055d9e641b3e0 RDI: 0000000000000001 [ 38.310083] RBP: 00007ffde8031a20 R08: 0000000000000000 R09: 0000000000000000 [ 38.310161] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 38.310259] R13: 0000000000000004 R14: 000055d9e641b3e0 R15: 0000000000000000 | [ 38.350048] ------------[ cut here ]------------ | [ 38.350139] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/852 | [ 38.350231] Modules linked in: netconsole netdevsim [last unloaded: netdevsim] | [ 38.350409] Tainted: [W]=WARN [ 38.350470] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.350540] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 38.350606] 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 [ 38.350742] RSP: 0018:ff700850803676d8 EFLAGS: 00010286 [ 38.350806] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 38.350884] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c3149d00 [ 38.350963] RBP: 0000000000000000 R08: ff154826c2aa0d10 R09: ff154826c522f030 [ 38.351047] R10: ff154826c203a118 R11: fefefefefefefeff R12: ff7008508036778c [ 38.351122] R13: 0000000000000011 R14: ff154826c203a000 R15: ff154826c3149d00 [ 38.351204] FS: 00007fa083cc7840(0000) GS:ff1548274095a000(0000) knlGS:0000000000000000 [ 38.351282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.351358] CR2: 0000000005300988 CR3: 000000000191e002 CR4: 0000000000771ef0 [ 38.351445] PKRU: 55555554 [ 38.351494] Call Trace: [ 38.351542] [ 38.351591] rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567) [ 38.351649] __dev_change_net_namespace (net/core/dev.c:12635) [ 38.351713] ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3)) [ 38.351771] do_setlink.isra.0 (net/core/rtnetlink.c:3108) [ 38.351831] ? __nla_validate_parse (lib/nlattr.c:620) [ 38.351896] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 38.351955] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 38.352014] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 38.352084] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 38.352142] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 38.352200] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 38.352265] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 38.352324] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.352382] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 38.352446] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 38.352506] ___sys_sendmsg (net/socket.c:2752) [ 38.352564] __sys_sendmsg (net/socket.c:2784) [ 38.352621] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 38.352679] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.352745] RIP: 0033:0x7fa083f0108e [ 38.352803] 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 [ 38.352941] RSP: 002b:00007fff6297b2d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.353019] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa083f0108e [ 38.353106] RDX: 0000000000000000 RSI: 00007fff6297b380 RDI: 0000000000000005 [ 38.353183] RBP: 00007fff6297b2e0 R08: 0000000000000000 R09: 0000000000000000 [ 38.353262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8bb [ 38.353340] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6297ba40 | [ 38.353586] ------------[ cut here ]------------ | [ 38.353647] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/852 | [ 38.353734] Modules linked in: netconsole netdevsim [last unloaded: netdevsim] | [ 38.353911] Tainted: [W]=WARN [ 38.353967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.354043] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 38.354107] 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 [ 38.354242] RSP: 0018:ff700850803676c8 EFLAGS: 00010286 [ 38.354307] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 38.354383] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c3149f00 [ 38.354468] RBP: 0000000000000000 R08: ff154826c2aa0d10 R09: ff154826c7581030 [ 38.354545] R10: ff154826c203a118 R11: fefefefefefefeff R12: 0000000000000000 [ 38.354621] R13: 0000000000000010 R14: ff154826c203a000 R15: ff154826c3149f00 [ 38.354704] FS: 00007fa083cc7840(0000) GS:ff1548274095a000(0000) knlGS:0000000000000000 [ 38.354784] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.354854] CR2: 0000000005300988 CR3: 000000000191e002 CR4: 0000000000771ef0 [ 38.354934] PKRU: 55555554 [ 38.354983] Call Trace: [ 38.355032] [ 38.355089] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 38.355148] __dev_change_net_namespace (net/core/dev.c:12695) [ 38.355213] ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3)) [ 38.355270] do_setlink.isra.0 (net/core/rtnetlink.c:3108) [ 38.355334] ? __nla_validate_parse (lib/nlattr.c:620) [ 38.355399] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 38.355463] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 38.355522] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 38.355587] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 38.355646] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 38.355704] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 38.355770] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 38.355829] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.355887] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 38.355946] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 38.356004] ___sys_sendmsg (net/socket.c:2752) [ 38.356070] __sys_sendmsg (net/socket.c:2784) [ 38.356128] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 38.356186] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.356251] RIP: 0033:0x7fa083f0108e [ 38.356308] 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 [ 38.356453] RSP: 002b:00007fff6297b2d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.356555] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa083f0108e [ 38.356641] RDX: 0000000000000000 RSI: 00007fff6297b380 RDI: 0000000000000005 [ 38.356719] RBP: 00007fff6297b2e0 R08: 0000000000000000 R09: 0000000000000000 [ 38.356797] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8bb [ 38.356874] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6297ba40 | [ 38.368328] ------------[ cut here ]------------ | [ 38.368373] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/854 | [ 38.368435] Modules linked in: netconsole netdevsim [last unloaded: netdevsim] | [ 38.368544] Tainted: [W]=WARN [ 38.368569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.368602] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 38.368632] 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 [ 38.368730] RSP: 0018:ff7008508036f720 EFLAGS: 00010286 [ 38.368761] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.368806] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c3149800 [ 38.368849] RBP: 0000000000000000 R08: ff154826c2aa0d10 R09: ff154826c7587030 [ 38.368893] R10: ff154826c203a118 R11: fefefefefefefeff R12: 0000000000000000 [ 38.368938] R13: 0000000000000010 R14: ff154826c203a000 R15: ff154826c3149800 [ 38.368984] FS: 00007f4110537840(0000) GS:ff154827409da000(0000) knlGS:0000000000000000 [ 38.369040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.369075] CR2: 0000000024c08988 CR3: 0000000007589005 CR4: 0000000000771ef0 [ 38.369117] PKRU: 55555554 [ 38.369132] Call Trace: [ 38.369147] [ 38.369165] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 38.369189] __dev_notify_flags (net/core/dev.c:9787) [ 38.369214] ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288) [ 38.369242] netif_change_flags (net/core/dev.c:9820) [ 38.369265] do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1)) [ 38.369287] ? __nla_validate_parse (lib/nlattr.c:620) [ 38.369317] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 38.369339] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 38.369361] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 38.369390] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 38.369411] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 38.369438] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 38.369468] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 38.369493] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.369519] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 38.369540] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 38.369561] ___sys_sendmsg (net/socket.c:2752) [ 38.369583] __sys_sendmsg (net/socket.c:2784) [ 38.369606] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 38.369629] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.369657] RIP: 0033:0x7f411077108e [ 38.369681] 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 [ 38.369777] RSP: 002b:00007fffb13a9170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.369825] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f411077108e [ 38.369865] RDX: 0000000000000000 RSI: 00007fffb13a9220 RDI: 0000000000000005 [ 38.369908] RBP: 00007fffb13a9180 R08: 0000000000000000 R09: 0000000000000000 [ 38.369949] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8bb [ 38.369991] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb13a98e0 | [ 38.375943] ------------[ cut here ]------------ | [ 38.375982] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/856 | [ 38.376040] Modules linked in: netconsole netdevsim [last unloaded: netdevsim] | [ 38.376153] Tainted: [W]=WARN [ 38.376174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.376208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 38.376240] 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 [ 38.376341] RSP: 0018:ff7008508037f720 EFLAGS: 00010286 [ 38.376373] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.376415] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c18d3d00 [ 38.376465] RBP: 0000000000000000 R08: ff154826c2ac38d0 R09: ff154826c7587030 [ 38.376505] R10: ff154826c30f6118 R11: fefefefefefefeff R12: 0000000000000000 [ 38.376548] R13: 0000000000000010 R14: ff154826c30f6000 R15: ff154826c18d3d00 [ 38.376597] FS: 00007fb67d2df840(0000) GS:ff154827409da000(0000) knlGS:0000000000000000 [ 38.376644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.376678] CR2: 00000000228c7988 CR3: 0000000007589002 CR4: 0000000000771ef0 [ 38.376720] PKRU: 55555554 [ 38.376735] Call Trace: [ 38.376749] [ 38.376763] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 38.376787] __dev_notify_flags (net/core/dev.c:9787) [ 38.376811] ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288) [ 38.376833] netif_change_flags (net/core/dev.c:9820) [ 38.376853] do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1)) [ 38.376877] ? __nla_validate_parse (lib/nlattr.c:620) [ 38.376907] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 38.376930] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 38.376954] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 38.376983] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 38.377006] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 38.377029] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 38.377058] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 38.377081] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.377103] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 38.377126] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 38.377148] ___sys_sendmsg (net/socket.c:2752) [ 38.377170] __sys_sendmsg (net/socket.c:2784) [ 38.377195] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 38.377221] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.377251] RIP: 0033:0x7fb67d51908e [ 38.377271] 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 [ 38.377371] RSP: 002b:00007ffffb3e1920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.377414] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb67d51908e [ 38.377465] RDX: 0000000000000000 RSI: 00007ffffb3e19d0 RDI: 0000000000000005 [ 38.377510] RBP: 00007ffffb3e1930 R08: 0000000000000000 R09: 0000000000000000 [ 38.377551] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8bb [ 38.377595] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffb3e2090 | [ 38.384314] ------------[ cut here ]------------ | [ 38.384383] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/811 | [ 38.384491] Modules linked in: netconsole netdevsim [last unloaded: netdevsim] | [ 38.384692] Tainted: [W]=WARN [ 38.384759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.384832] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 38.384906] 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 [ 38.385063] RSP: 0018:ff700850806dfb18 EFLAGS: 00010286 [ 38.385140] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000 [ 38.385228] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c3149f00 [ 38.385312] RBP: 0000000000000000 R08: ff154826c2aa0d10 R09: ff154826c7581030 [ 38.385394] R10: ff154826c203a118 R11: fefefefefefefeff R12: 0000000000000000 [ 38.385486] R13: 0000000000000010 R14: ff154826c203a000 R15: ff154826c3149f00 [ 38.385575] FS: 00007f0b10401b80(0000) GS:ff1548274095a000(0000) knlGS:0000000000000000 [ 38.385673] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.385758] CR2: 000055d9e640a2dc CR3: 0000000005289005 CR4: 0000000000771ef0 [ 38.385846] PKRU: 55555554 [ 38.385904] Call Trace: [ 38.385952] [ 38.386010] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 38.386080] netif_close_many (net/core/dev.c:1804) [ 38.386147] unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400) [ 38.386215] ? __destroy_inode (fs/inode.c:371) [ 38.386272] unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309) [ 38.386336] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim [ 38.386413] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim [ 38.386488] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim [ 38.386553] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim [ 38.386627] device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375) [ 38.386707] bus_remove_device (drivers/base/bus.c:657) [ 38.386782] ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977) [ 38.386849] device_del (drivers/base/core.c:3895) [ 38.386908] device_unregister (drivers/base/core.c:3936) [ 38.386974] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim [ 38.387049] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 38.387114] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 38.387174] ksys_write (fs/read_write.c:740) [ 38.387239] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 38.387307] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.387380] RIP: 0033:0x7f0b1047308e [ 38.387453] 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 [ 38.387608] RSP: 002b:00007ffde8032970 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 38.387696] RAX: ffffffffffffffda RBX: 00007f0b105f5580 RCX: 00007f0b1047308e [ 38.387786] RDX: 0000000000000004 RSI: 000055d9e641b3e0 RDI: 0000000000000001 [ 38.387871] RBP: 00007ffde8032980 R08: 0000000000000000 R09: 0000000000000000 [ 38.387949] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 38.388032] R13: 0000000000000004 R14: 000055d9e641b3e0 R15: 0000000000000000 | [ 38.388346] ------------[ cut here ]------------ | [ 38.388415] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/811 | [ 38.388522] Modules linked in: netconsole netdevsim [last unloaded: netdevsim] | [ 38.388705] Tainted: [W]=WARN [ 38.388771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.388853] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 38.388926] 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 [ 38.389086] RSP: 0018:ff700850806dfb88 EFLAGS: 00010286 [ 38.389157] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 38.389240] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c3149f00 [ 38.389317] RBP: 0000000000000000 R08: ff154826c2aa0d10 R09: ff154826c646e830 [ 38.389396] R10: ff154826c203a118 R11: fefefefefefefeff R12: 0000000000000000 [ 38.389477] R13: 0000000000000011 R14: ff154826c203a000 R15: ff154826c3149f00 [ 38.389565] FS: 00007f0b10401b80(0000) GS:ff1548274095a000(0000) knlGS:0000000000000000 [ 38.389645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.389716] CR2: 000055d9e640a2dc CR3: 0000000005289005 CR4: 0000000000771ef0 [ 38.389804] PKRU: 55555554 [ 38.389861] Call Trace: [ 38.389910] [ 38.389960] unregister_netdevice_many_notify (net/core/dev.c:12439) [ 38.390062] unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309) [ 38.390127] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim [ 38.390199] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim [ 38.390271] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim [ 38.390351] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim [ 38.390415] device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375) [ 38.390490] bus_remove_device (drivers/base/bus.c:657) [ 38.390552] ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977) [ 38.390634] device_del (drivers/base/core.c:3895) [ 38.390693] device_unregister (drivers/base/core.c:3936) [ 38.390753] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim [ 38.390833] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 38.390899] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 38.390957] ksys_write (fs/read_write.c:740) [ 38.391014] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 38.391076] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.391140] RIP: 0033:0x7f0b1047308e [ 38.391196] 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 [ 38.391331] RSP: 002b:00007ffde8032970 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 38.391409] RAX: ffffffffffffffda RBX: 00007f0b105f5580 RCX: 00007f0b1047308e [ 38.391492] RDX: 0000000000000004 RSI: 000055d9e641b3e0 RDI: 0000000000000001 [ 38.391572] RBP: 00007ffde8032980 R08: 0000000000000000 R09: 0000000000000000 [ 38.391650] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 38.391728] R13: 0000000000000004 R14: 000055d9e641b3e0 R15: 0000000000000000 | [ 38.415122] ------------[ cut here ]------------ | [ 38.415238] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/811 | [ 38.415327] Modules linked in: netconsole netdevsim [last unloaded: netdevsim] | [ 38.415508] Tainted: [W]=WARN [ 38.415563] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.415632] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 38.415696] 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 [ 38.415828] RSP: 0018:ff700850806dfb18 EFLAGS: 00010286 [ 38.415892] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000 [ 38.415971] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c3149f00 [ 38.416057] RBP: 0000000000000000 R08: ff154826c2ac38d0 R09: ff154826c30c5030 [ 38.416136] R10: ff154826c30f6118 R11: fefefefefefefeff R12: 0000000000000000 [ 38.416214] R13: 0000000000000010 R14: ff154826c30f6000 R15: ff154826c3149f00 [ 38.416298] FS: 00007f0b10401b80(0000) GS:ff1548274095a000(0000) knlGS:0000000000000000 [ 38.416377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.416454] CR2: 000055d9e640a2dc CR3: 0000000005289005 CR4: 0000000000771ef0 [ 38.416535] PKRU: 55555554 [ 38.416584] Call Trace: [ 38.416633] [ 38.416682] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 38.416742] netif_close_many (net/core/dev.c:1804) [ 38.416800] unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400) [ 38.416867] ? __destroy_inode (fs/inode.c:371) [ 38.416924] unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309) [ 38.416988] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim [ 38.417062] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim [ 38.417126] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim [ 38.417192] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim [ 38.417257] device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375) [ 38.417323] bus_remove_device (drivers/base/bus.c:657) [ 38.417381] ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977) [ 38.417456] device_del (drivers/base/core.c:3895) [ 38.417515] device_unregister (drivers/base/core.c:3936) [ 38.417574] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim [ 38.417640] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 38.417705] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 38.417765] ksys_write (fs/read_write.c:740) [ 38.417822] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 38.417879] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.417942] RIP: 0033:0x7f0b1047308e [ 38.417998] 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 [ 38.418143] RSP: 002b:00007ffde8032a70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 38.418221] RAX: ffffffffffffffda RBX: 00007f0b105f5580 RCX: 00007f0b1047308e [ 38.418298] RDX: 0000000000000004 RSI: 000055d9e641b3e0 RDI: 0000000000000001 [ 38.418376] RBP: 00007ffde8032a80 R08: 0000000000000000 R09: 0000000000000000 [ 38.418472] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 38.418550] R13: 0000000000000004 R14: 000055d9e641b3e0 R15: 0000000000000000 | [ 38.418799] ------------[ cut here ]------------ | [ 38.418863] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/811 | [ 38.418950] Modules linked in: netconsole netdevsim [last unloaded: netdevsim] | [ 38.419138] Tainted: [W]=WARN [ 38.419193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.419264] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 38.419330] 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 [ 38.419473] RSP: 0018:ff700850806dfb88 EFLAGS: 00010286 [ 38.419536] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 38.419615] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c3149f00 [ 38.419694] RBP: 0000000000000000 R08: ff154826c2ac38d0 R09: ff154826c522c830 [ 38.419773] R10: ff154826c30f6118 R11: fefefefefefefeff R12: 0000000000000000 [ 38.419853] R13: 0000000000000011 R14: ff154826c30f6000 R15: ff154826c3149f00 [ 38.419937] FS: 00007f0b10401b80(0000) GS:ff1548274095a000(0000) knlGS:0000000000000000 [ 38.420017] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.420098] CR2: 000055d9e640a2dc CR3: 0000000005289005 CR4: 0000000000771ef0 [ 38.420181] PKRU: 55555554 [ 38.420229] Call Trace: [ 38.420277] [ 38.420326] unregister_netdevice_many_notify (net/core/dev.c:12439) [ 38.420391] unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309) [ 38.420462] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim [ 38.420531] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim [ 38.420596] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim [ 38.420661] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim [ 38.420726] device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375) [ 38.420791] bus_remove_device (drivers/base/bus.c:657) [ 38.420849] ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977) [ 38.420917] device_del (drivers/base/core.c:3895) [ 38.420974] device_unregister (drivers/base/core.c:3936) [ 38.421031] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim [ 38.421104] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 38.421170] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 38.421227] ksys_write (fs/read_write.c:740) [ 38.421284] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 38.421342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.421405] RIP: 0033:0x7f0b1047308e [ 38.421468] 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 [ 38.421606] RSP: 002b:00007ffde8032a70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 38.421686] RAX: ffffffffffffffda RBX: 00007f0b105f5580 RCX: 00007f0b1047308e [ 38.421769] RDX: 0000000000000004 RSI: 000055d9e641b3e0 RDI: 0000000000000001 [ 38.421847] RBP: 00007ffde8032a80 R08: 0000000000000000 R09: 0000000000000000 [ 38.421926] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 38.422004] R13: 0000000000000004 R14: 000055d9e641b3e0 R15: 0000000000000000 | [ 38.458716] ------------[ cut here ]------------ | [ 38.458756] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/64 | [ 38.458817] Modules linked in: netconsole netdevsim [last unloaded: netdevsim] | [ 38.458927] Tainted: [W]=WARN [ 38.458950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.458992] Workqueue: netns cleanup_net [ 38.459016] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 38.459048] 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 [ 38.459153] RSP: 0018:ff70085080237c08 EFLAGS: 00010286 [ 38.459184] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000 [ 38.459227] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c2a83100 [ 38.459270] RBP: 0000000000000000 R08: ff154826c2aa0e50 R09: ff154826c646202c [ 38.459312] R10: ff154826c2e7c118 R11: fefefefefefefeff R12: 0000000000000000 [ 38.459357] R13: 0000000000000010 R14: ff154826c2e7c000 R15: ff154826c2a83100 [ 38.459409] FS: 0000000000000000(0000) GS:ff1548274085a000(0000) knlGS:0000000000000000 [ 38.459458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.459494] CR2: 00007f0b10612f98 CR3: 000000003be42004 CR4: 0000000000771ef0 [ 38.459544] PKRU: 55555554 [ 38.459557] Call Trace: [ 38.459574] [ 38.459588] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 38.459609] netif_close_many (net/core/dev.c:1804) [ 38.459633] unregister_netdevice_many_notify (net/core/dev.c:12406) [ 38.459666] default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089) [ 38.459693] ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252) [ 38.459717] cleanup_net (net/core/net_namespace.c:702) [ 38.459741] process_one_work (kernel/workqueue.c:3314) [ 38.459765] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478) [ 38.459788] ? rescuer_thread (kernel/workqueue.c:3672) [ 38.459812] kthread (kernel/kthread.c:436) [ 38.459835] ? kthread_park (kernel/kthread.c:725 (discriminator 4)) [ 38.459861] ret_from_fork (arch/x86/kernel/process.c:158) [ 38.459886] ? kthread_park (kernel/kthread.c:725 (discriminator 4)) [ 38.459909] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 38.460202] ------------[ cut here ]------------ | [ 38.460231] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/64 | [ 38.460291] Modules linked in: netconsole netdevsim [last unloaded: netdevsim] | [ 38.460397] Tainted: [W]=WARN [ 38.460420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.460462] Workqueue: netns cleanup_net [ 38.460484] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 38.460514] 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 [ 38.460617] RSP: 0018:ff70085080237c78 EFLAGS: 00010286 [ 38.460646] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 38.460689] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c2a83100 [ 38.460734] RBP: 0000000000000000 R08: ff154826c2aa0e50 R09: ff154826c203702c [ 38.460778] R10: ff154826c2e7c118 R11: fefefefefefefeff R12: 0000000000000000 [ 38.460815] R13: 0000000000000011 R14: ff154826c2e7c000 R15: ff154826c2a83100 [ 38.460862] FS: 0000000000000000(0000) GS:ff1548274085a000(0000) knlGS:0000000000000000 [ 38.460899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.460939] CR2: 00007fccd1adb9dc CR3: 000000003be42004 CR4: 0000000000771ef0 [ 38.460987] PKRU: 55555554 [ 38.461001] Call Trace: [ 38.461016] [ 38.461029] unregister_netdevice_many_notify (net/core/dev.c:12439) [ 38.461061] default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089) [ 38.461088] ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252) [ 38.461110] cleanup_net (net/core/net_namespace.c:702) [ 38.461130] process_one_work (kernel/workqueue.c:3314) [ 38.461153] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478) [ 38.461175] ? rescuer_thread (kernel/workqueue.c:3672) [ 38.461196] kthread (kernel/kthread.c:436) [ 38.461215] ? kthread_park (kernel/kthread.c:725 (discriminator 4)) [ 38.461235] ret_from_fork (arch/x86/kernel/process.c:158) [ 38.461258] ? 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