====================================== | xx__-> [ 2.251987] ------------[ cut here ]------------ | [ 2.252080] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/166 | [ 2.252171] Modules linked in: netdevsim | [ 2.252322] Tainted: [W]=WARN [ 2.252377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.252446] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 2.252510] 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 [ 2.252643] RSP: 0018:ff782846c02f3cc8 EFLAGS: 00010286 [ 2.252706] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 2.252804] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801934200 [ 2.252884] RBP: 0000000000000000 R08: ff49851804c85210 R09: ff49851806a5502c [ 2.252959] R10: ff49851806a50118 R11: fefefefefefefeff R12: 0000000000000000 [ 2.253037] R13: 0000000000000010 R14: ff49851806a50000 R15: ff49851801934200 [ 2.253119] FS: 00007fc673af3840(0000) GS:ff498518a095a000(0000) knlGS:0000000000000000 [ 2.253196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.253264] CR2: 0000000000479648 CR3: 000000000195b003 CR4: 0000000000771ef0 [ 2.253343] PKRU: 55555554 [ 2.253391] Call Trace: [ 2.253440] [ 2.253489] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 2.253546] register_netdevice (net/core/dev.c:11488) [ 2.253603] register_netdev (net/core/dev.c:11552) [ 2.253659] loopback_net_init (drivers/net/loopback.c:218) [ 2.253719] ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973) [ 2.253802] ops_init (net/core/net_namespace.c:137) [ 2.253862] setup_net (net/core/net_namespace.c:446) [ 2.253919] copy_net_ns (net/core/net_namespace.c:579) [ 2.253976] create_new_namespaces (kernel/nsproxy.c:132) [ 2.254041] unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4)) [ 2.254105] ksys_unshare (kernel/fork.c:3243) [ 2.254163] __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315) [ 2.254220] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 2.254278] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 2.254343] RIP: 0033:0x7fc673db5bcb [ 2.254399] 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 [ 2.254528] RSP: 002b:00007fffd7ce5db8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 2.254605] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc673db5bcb [ 2.254682] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000 [ 2.254764] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 2.254848] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffd7ce7fe0 [ 2.254924] R13: 0000000000000001 R14: 00007fc673af36f8 R15: 00007fffd7ce8845 | [ 2.258186] ------------[ cut here ]------------ | [ 2.258222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/167 | [ 2.258280] Modules linked in: netdevsim | [ 2.258364] Tainted: [W]=WARN [ 2.258385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.258420] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 2.258446] 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 [ 2.258544] RSP: 0018:ff782846c0293720 EFLAGS: 00010286 [ 2.258574] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000 [ 2.258614] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801cd7000 [ 2.258656] RBP: 0000000000000000 R08: ff49851804c85210 R09: ff4985180113802c [ 2.258696] R10: ff49851806a50118 R11: fefefefefefefeff R12: 0000000000000000 [ 2.258748] R13: 0000000000000010 R14: ff49851806a50000 R15: ff49851801cd7000 [ 2.258792] FS: 00007f0fea6f4840(0000) GS:ff498518a085a000(0000) knlGS:0000000000000000 [ 2.258844] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.258879] CR2: 000000000ed17988 CR3: 0000000004ca2005 CR4: 0000000000771ef0 [ 2.258925] PKRU: 55555554 [ 2.258938] Call Trace: [ 2.258950] [ 2.258967] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 2.258990] __dev_notify_flags (net/core/dev.c:9787) [ 2.259013] ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288) [ 2.259036] netif_change_flags (net/core/dev.c:9820) [ 2.259059] do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1)) [ 2.259081] ? __nla_validate_parse (lib/nlattr.c:620) [ 2.259112] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 2.259137] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 2.259159] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 2.259189] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 2.259213] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 2.259236] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 2.259265] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 2.259288] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 2.259311] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 2.259332] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 2.259353] ___sys_sendmsg (net/socket.c:2752) [ 2.259377] __sys_sendmsg (net/socket.c:2784) [ 2.259400] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 2.259422] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 2.259451] RIP: 0033:0x7f0fea92e08e [ 2.259471] 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 [ 2.259569] RSP: 002b:00007ffe309d63f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 2.259610] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0fea92e08e [ 2.259653] RDX: 0000000000000000 RSI: 00007ffe309d64a0 RDI: 0000000000000005 [ 2.259695] RBP: 00007ffe309d6400 R08: 0000000000000000 R09: 0000000000000000 [ 2.259740] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d218 [ 2.259778] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe309d6b70 | [ 2.268230] ------------[ cut here ]------------ | [ 2.268267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: bash/149 | [ 2.268321] Modules linked in: netdevsim | [ 2.268402] Tainted: [W]=WARN [ 2.268427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.268468] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 2.268498] 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 [ 2.268598] RSP: 0018:ff782846c02eb9d0 EFLAGS: 00010286 [ 2.268627] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 2.268666] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801923f00 [ 2.268708] RBP: 0000000000000000 R08: ff49851804cd8510 R09: ff49851802061030 [ 2.268754] R10: ff49851806a26118 R11: fefefefefefefeff R12: 0000000000000000 [ 2.268799] R13: 0000000000000010 R14: ff49851806a26000 R15: ff49851801923f00 [ 2.268845] FS: 00007f8a6c091b80(0000) GS:ff498518a09da000(0000) knlGS:0000000000000000 [ 2.268890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.268920] CR2: 0000559d4d57d8e0 CR3: 0000000001cdd002 CR4: 0000000000771ef0 [ 2.268957] PKRU: 55555554 [ 2.268972] Call Trace: [ 2.268985] [ 2.269001] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 2.269022] register_netdevice (net/core/dev.c:11488) [ 2.269042] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim [ 2.269075] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim [ 2.269101] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim [ 2.269131] really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709) [ 2.269157] ? driver_probe_device (./include/linux/list.h:164 (discriminator 3)) [ 2.269185] __driver_probe_device (drivers/base/dd.c:871) [ 2.269214] driver_probe_device (drivers/base/dd.c:901) [ 2.269236] __device_attach_driver (drivers/base/dd.c:1029) [ 2.269265] bus_for_each_drv (drivers/base/bus.c:500) [ 2.269289] __device_attach (drivers/base/dd.c:1101) [ 2.269311] device_initial_probe (drivers/base/dd.c:1156) [ 2.269335] bus_probe_device (drivers/base/bus.c:613) [ 2.269360] device_add (drivers/base/core.c:3706) [ 2.269381] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim [ 2.269409] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 2.269438] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 2.269463] ksys_write (fs/read_write.c:740) [ 2.269487] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 2.269510] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 2.269540] RIP: 0033:0x7f8a6c10308e [ 2.269565] 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 [ 2.269657] RSP: 002b:00007fff461910c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 2.269698] RAX: ffffffffffffffda RBX: 00007f8a6c285580 RCX: 00007f8a6c10308e [ 2.269745] RDX: 0000000000000004 RSI: 0000559d83c4a1f0 RDI: 0000000000000001 [ 2.269786] RBP: 00007fff461910d0 R08: 0000000000000000 R09: 0000000000000000 [ 2.269834] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 2.269876] R13: 0000000000000004 R14: 0000559d83c4a1f0 R15: 0000000000000000 | [ 2.270197] ------------[ cut here ]------------ | [ 2.270226] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: bash/149 | [ 2.270279] Modules linked in: netdevsim | [ 2.270357] Tainted: [W]=WARN [ 2.270377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.270411] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 2.270439] 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 [ 2.270535] RSP: 0018:ff782846c02eb9d0 EFLAGS: 00010286 [ 2.270565] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 2.270603] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801df2100 [ 2.270643] RBP: 0000000000000000 R08: ff49851801974f50 R09: ff49851806a2b030 [ 2.270683] R10: ff49851806a22118 R11: fefefefefefefeff R12: 0000000000000000 [ 2.270729] R13: 0000000000000010 R14: ff49851806a22000 R15: ff49851801df2100 [ 2.270773] FS: 00007f8a6c091b80(0000) GS:ff498518a09da000(0000) knlGS:0000000000000000 [ 2.270824] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.270854] CR2: 0000559d4d57d8e0 CR3: 0000000001cdd002 CR4: 0000000000771ef0 [ 2.270898] PKRU: 55555554 [ 2.270913] Call Trace: [ 2.270928] [ 2.270942] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 2.270962] register_netdevice (net/core/dev.c:11488) [ 2.270983] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim [ 2.271011] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim [ 2.271042] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim [ 2.271073] really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709) [ 2.271095] ? driver_probe_device (./include/linux/list.h:164 (discriminator 3)) [ 2.271123] __driver_probe_device (drivers/base/dd.c:871) [ 2.271154] driver_probe_device (drivers/base/dd.c:901) [ 2.271176] __device_attach_driver (drivers/base/dd.c:1029) [ 2.271205] bus_for_each_drv (drivers/base/bus.c:500) [ 2.271224] __device_attach (drivers/base/dd.c:1101) [ 2.271246] device_initial_probe (drivers/base/dd.c:1156) [ 2.271269] bus_probe_device (drivers/base/bus.c:613) [ 2.271292] device_add (drivers/base/core.c:3706) [ 2.271313] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim [ 2.271344] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 2.271373] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 2.271398] ksys_write (fs/read_write.c:740) [ 2.271418] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 2.271436] ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272) [ 2.271468] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 2.271495] RIP: 0033:0x7f8a6c10308e [ 2.271516] 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 [ 2.271606] RSP: 002b:00007fff461910f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 2.271645] RAX: ffffffffffffffda RBX: 00007f8a6c285580 RCX: 00007f8a6c10308e [ 2.271686] RDX: 0000000000000004 RSI: 0000559d83c4a1f0 RDI: 0000000000000001 [ 2.271723] RBP: 00007fff46191100 R08: 0000000000000000 R09: 0000000000000000 [ 2.271765] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 2.271806] R13: 0000000000000004 R14: 0000559d83c4a1f0 R15: 0000000000000000 | [ 2.302746] ------------[ cut here ]------------ | [ 2.302788] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/182 | [ 2.302837] Modules linked in: netdevsim | [ 2.302919] Tainted: [W]=WARN [ 2.302941] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.302976] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 2.303005] 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 [ 2.303102] RSP: 0018:ff782846c03876d8 EFLAGS: 00010286 [ 2.303130] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 2.303170] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801933700 [ 2.303210] RBP: 0000000000000000 R08: ff49851804cd8510 R09: ff49851806a5c830 [ 2.303252] R10: ff49851806a26118 R11: fefefefefefefeff R12: ff782846c038778c [ 2.303294] R13: 0000000000000011 R14: ff49851806a26000 R15: ff49851801933700 [ 2.303339] FS: 00007fef9a0ae840(0000) GS:ff498518a085a000(0000) knlGS:0000000000000000 [ 2.303383] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.303416] CR2: 000000001866f988 CR3: 0000000004deb002 CR4: 0000000000771ef0 [ 2.303464] PKRU: 55555554 [ 2.303477] Call Trace: [ 2.303492] [ 2.303507] rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567) [ 2.303529] __dev_change_net_namespace (net/core/dev.c:12635) [ 2.303557] ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3)) [ 2.303578] do_setlink.isra.0 (net/core/rtnetlink.c:3108) [ 2.303601] ? __nla_validate_parse (lib/nlattr.c:620) [ 2.303630] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 2.303654] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 2.303678] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 2.303707] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 2.303729] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 2.303754] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 2.303787] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 2.303815] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 2.303834] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 2.303857] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 2.303881] ___sys_sendmsg (net/socket.c:2752) [ 2.303903] __sys_sendmsg (net/socket.c:2784) [ 2.303923] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 2.303946] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 2.303975] RIP: 0033:0x7fef9a2e808e [ 2.303997] 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 [ 2.304086] RSP: 002b:00007ffe172cbbc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 2.304128] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fef9a2e808e [ 2.304165] RDX: 0000000000000000 RSI: 00007ffe172cbc70 RDI: 0000000000000005 [ 2.304203] RBP: 00007ffe172cbbd0 R08: 0000000000000000 R09: 0000000000000000 [ 2.304246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d218 [ 2.304287] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe172cc330 | [ 2.304411] ------------[ cut here ]------------ | [ 2.304437] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/182 | [ 2.304487] Modules linked in: netdevsim | [ 2.304566] Tainted: [W]=WARN [ 2.304589] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.304623] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 2.304651] 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 [ 2.304752] RSP: 0018:ff782846c03876c8 EFLAGS: 00010286 [ 2.304778] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 2.304820] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801df2300 [ 2.304861] RBP: 0000000000000000 R08: ff49851804cd8510 R09: ff49851801138030 [ 2.304901] R10: ff49851806a26118 R11: fefefefefefefeff R12: 0000000000000000 [ 2.304941] R13: 0000000000000010 R14: ff49851806a26000 R15: ff49851801df2300 [ 2.304987] FS: 00007fef9a0ae840(0000) GS:ff498518a085a000(0000) knlGS:0000000000000000 [ 2.305030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.305068] CR2: 000000001866f988 CR3: 0000000004deb002 CR4: 0000000000771ef0 [ 2.305112] PKRU: 55555554 [ 2.305128] Call Trace: [ 2.305141] [ 2.305157] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 2.305180] __dev_change_net_namespace (net/core/dev.c:12695) [ 2.305208] ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3)) [ 2.305227] do_setlink.isra.0 (net/core/rtnetlink.c:3108) [ 2.305250] ? __nla_validate_parse (lib/nlattr.c:620) [ 2.305281] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 2.305302] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 2.305321] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 2.305349] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 2.305370] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 2.305390] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 2.305420] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 2.305447] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 2.305468] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 2.305489] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 2.305510] ___sys_sendmsg (net/socket.c:2752) [ 2.305535] __sys_sendmsg (net/socket.c:2784) [ 2.305558] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 2.305581] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 2.305607] RIP: 0033:0x7fef9a2e808e [ 2.305627] 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 [ 2.305720] RSP: 002b:00007ffe172cbbc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 2.305764] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fef9a2e808e [ 2.305809] RDX: 0000000000000000 RSI: 00007ffe172cbc70 RDI: 0000000000000005 [ 2.305856] RBP: 00007ffe172cbbd0 R08: 0000000000000000 R09: 0000000000000000 [ 2.305897] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d218 [ 2.305935] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe172cc330 | [ 2.316763] ------------[ cut here ]------------ | [ 2.316792] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/184 | [ 2.316852] Modules linked in: netdevsim | [ 2.316931] Tainted: [W]=WARN [ 2.316953] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.316990] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 2.317019] 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 [ 2.317117] RSP: 0018:ff782846c040f720 EFLAGS: 00010286 [ 2.317147] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000 [ 2.317194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801cd5400 [ 2.317237] RBP: 0000000000000000 R08: ff49851804cd8510 R09: ff49851801138030 [ 2.317280] R10: ff49851806a26118 R11: fefefefefefefeff R12: 0000000000000000 [ 2.317323] R13: 0000000000000010 R14: ff49851806a26000 R15: ff49851801cd5400 [ 2.317360] FS: 00007f8ceedea840(0000) GS:ff498518a085a000(0000) knlGS:0000000000000000 [ 2.317405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.317441] CR2: 000000003123c988 CR3: 0000000004ef5005 CR4: 0000000000771ef0 [ 2.317476] PKRU: 55555554 [ 2.317491] Call Trace: [ 2.317506] [ 2.317520] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 2.317538] __dev_notify_flags (net/core/dev.c:9787) [ 2.317562] ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288) [ 2.317582] netif_change_flags (net/core/dev.c:9820) [ 2.317602] do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1)) [ 2.317625] ? __nla_validate_parse (lib/nlattr.c:620) [ 2.317655] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 2.317678] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 2.317700] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 2.317729] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 2.317753] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 2.317776] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 2.317807] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 2.317828] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 2.317851] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 2.317871] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 2.317893] ___sys_sendmsg (net/socket.c:2752) [ 2.317915] __sys_sendmsg (net/socket.c:2784) [ 2.317938] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 2.317958] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 2.317988] RIP: 0033:0x7f8cef02408e [ 2.318011] 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 [ 2.318102] RSP: 002b:00007fffc57c30e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 2.318143] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8cef02408e [ 2.318183] RDX: 0000000000000000 RSI: 00007fffc57c3190 RDI: 0000000000000005 [ 2.318221] RBP: 00007fffc57c30f0 R08: 0000000000000000 R09: 0000000000000000 [ 2.318261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d218 [ 2.318300] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc57c3850 | [ 2.323892] ------------[ cut here ]------------ | [ 2.323957] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/186 | [ 2.324045] Modules linked in: netdevsim | [ 2.324192] Tainted: [W]=WARN [ 2.324246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.324314] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 2.324377] 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 [ 2.324503] RSP: 0018:ff782846c041f720 EFLAGS: 00010286 [ 2.324566] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000 [ 2.324640] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801df1f00 [ 2.324714] RBP: 0000000000000000 R08: ff49851801974f50 R09: ff49851806a55030 [ 2.324804] R10: ff49851806a22118 R11: fefefefefefefeff R12: 0000000000000000 [ 2.324880] R13: 0000000000000010 R14: ff49851806a22000 R15: ff49851801df1f00 [ 2.324956] FS: 00007f4af04ea840(0000) GS:ff498518a095a000(0000) knlGS:0000000000000000 [ 2.325031] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.325099] CR2: 0000000004000988 CR3: 0000000004edb002 CR4: 0000000000771ef0 [ 2.325174] PKRU: 55555554 [ 2.325220] Call Trace: [ 2.325267] [ 2.325314] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 2.325369] __dev_notify_flags (net/core/dev.c:9787) [ 2.325424] ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288) [ 2.325479] netif_change_flags (net/core/dev.c:9820) [ 2.325534] do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1)) [ 2.325590] ? __nla_validate_parse (lib/nlattr.c:620) [ 2.325653] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 2.325708] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 2.325767] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 2.325833] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 2.325889] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 2.325949] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 2.326011] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 2.326066] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 2.326121] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 2.326177] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 2.326233] ___sys_sendmsg (net/socket.c:2752) [ 2.326289] __sys_sendmsg (net/socket.c:2784) [ 2.326344] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 2.326400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 2.326461] RIP: 0033:0x7f4af072408e [ 2.326516] 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 [ 2.326644] RSP: 002b:00007ffe0f8fd9c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 2.326722] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4af072408e [ 2.326808] RDX: 0000000000000000 RSI: 00007ffe0f8fda70 RDI: 0000000000000005 [ 2.326883] RBP: 00007ffe0f8fd9d0 R08: 0000000000000000 R09: 0000000000000000 [ 2.326957] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d218 [ 2.327031] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0f8fe130 | [ 22.537078] ------------[ cut here ]------------ | [ 22.537142] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/149 | [ 22.537203] Modules linked in: netconsole netdevsim [last unloaded: netconsole] | [ 22.537307] Tainted: [W]=WARN [ 22.537331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.537366] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 22.537397] 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 [ 22.537490] RSP: 0018:ff782846c02ebb18 EFLAGS: 00010286 [ 22.537518] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000 [ 22.537556] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801923d00 [ 22.537594] RBP: 0000000000000000 R08: ff49851804cd8510 R09: ff498518029dc030 [ 22.537635] R10: ff49851806a26118 R11: fefefefefefefeff R12: 0000000000000000 [ 22.537678] R13: 0000000000000010 R14: ff49851806a26000 R15: ff49851801923d00 [ 22.537726] FS: 00007f8a6c091b80(0000) GS:ff498518a08da000(0000) knlGS:0000000000000000 [ 22.537777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.537809] CR2: 0000559d83c90f8c CR3: 0000000001cdd003 CR4: 0000000000771ef0 [ 22.537859] PKRU: 55555554 [ 22.537874] Call Trace: [ 22.537891] [ 22.537907] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 22.537929] netif_close_many (net/core/dev.c:1804) [ 22.537952] unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400) [ 22.537979] ? __destroy_inode (fs/inode.c:371) [ 22.537998] unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309) [ 22.538025] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim [ 22.538057] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim [ 22.538087] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim [ 22.538116] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim [ 22.538145] device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375) [ 22.538176] bus_remove_device (drivers/base/bus.c:657) [ 22.538200] ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977) [ 22.538231] device_del (drivers/base/core.c:3895) [ 22.538253] device_unregister (drivers/base/core.c:3936) [ 22.538274] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim [ 22.538299] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 22.538334] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 22.538354] ksys_write (fs/read_write.c:740) [ 22.538376] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.538395] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.538423] RIP: 0033:0x7f8a6c10308e [ 22.538447] 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 [ 22.538546] RSP: 002b:00007fff46191a60 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 22.538585] RAX: ffffffffffffffda RBX: 00007f8a6c285580 RCX: 00007f8a6c10308e [ 22.538622] RDX: 0000000000000004 RSI: 0000559d83c4a1f0 RDI: 0000000000000001 [ 22.538665] RBP: 00007fff46191a70 R08: 0000000000000000 R09: 0000000000000000 [ 22.538704] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 22.538751] R13: 0000000000000004 R14: 0000559d83c4a1f0 R15: 0000000000000000 | [ 22.538919] ------------[ cut here ]------------ | [ 22.538947] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/149 | [ 22.538994] Modules linked in: netconsole netdevsim [last unloaded: netconsole] | [ 22.539090] Tainted: [W]=WARN [ 22.539111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.539149] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 22.539180] 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 [ 22.539270] RSP: 0018:ff782846c02ebb88 EFLAGS: 00010286 [ 22.539294] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 22.539334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801923d00 [ 22.539377] RBP: 0000000000000000 R08: ff49851804cd8510 R09: ff49851804efa830 [ 22.539418] R10: ff49851806a26118 R11: fefefefefefefeff R12: 0000000000000000 [ 22.539458] R13: 0000000000000011 R14: ff49851806a26000 R15: ff49851801923d00 [ 22.539499] FS: 00007f8a6c091b80(0000) GS:ff498518a08da000(0000) knlGS:0000000000000000 [ 22.539542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.539576] CR2: 0000559d83c90f8c CR3: 0000000001cdd003 CR4: 0000000000771ef0 [ 22.539612] PKRU: 55555554 [ 22.539626] Call Trace: [ 22.539638] [ 22.539650] unregister_netdevice_many_notify (net/core/dev.c:12439) [ 22.539679] unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309) [ 22.539706] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim [ 22.539740] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim [ 22.539769] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim [ 22.539794] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim [ 22.539818] device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375) [ 22.539848] bus_remove_device (drivers/base/bus.c:657) [ 22.539870] ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977) [ 22.539900] device_del (drivers/base/core.c:3895) [ 22.539919] device_unregister (drivers/base/core.c:3936) [ 22.539940] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim [ 22.539969] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 22.540000] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 22.540021] ksys_write (fs/read_write.c:740) [ 22.540041] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.540060] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.540087] RIP: 0033:0x7f8a6c10308e [ 22.540108] 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 [ 22.540200] RSP: 002b:00007fff46191a60 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 22.540242] RAX: ffffffffffffffda RBX: 00007f8a6c285580 RCX: 00007f8a6c10308e [ 22.540280] RDX: 0000000000000004 RSI: 0000559d83c4a1f0 RDI: 0000000000000001 [ 22.540319] RBP: 00007fff46191a70 R08: 0000000000000000 R09: 0000000000000000 [ 22.540361] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 22.540399] R13: 0000000000000004 R14: 0000559d83c4a1f0 R15: 0000000000000000 | [ 22.562928] ------------[ cut here ]------------ | [ 22.562973] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/149 | [ 22.563034] Modules linked in: netconsole netdevsim [last unloaded: netconsole] | [ 22.563136] Tainted: [W]=WARN [ 22.563156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.563190] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 22.563219] 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 [ 22.563310] RSP: 0018:ff782846c02ebb18 EFLAGS: 00010286 [ 22.563338] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000 [ 22.563380] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801cd6f00 [ 22.563417] RBP: 0000000000000000 R08: ff49851801974f50 R09: ff49851802063030 [ 22.563460] R10: ff49851806a22118 R11: fefefefefefefeff R12: 0000000000000000 [ 22.563498] R13: 0000000000000010 R14: ff49851806a22000 R15: ff49851801cd6f00 [ 22.563538] FS: 00007f8a6c091b80(0000) GS:ff498518a08da000(0000) knlGS:0000000000000000 [ 22.563580] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.563613] CR2: 000055893ed5bf80 CR3: 0000000001cdd003 CR4: 0000000000771ef0 [ 22.563654] PKRU: 55555554 [ 22.563671] Call Trace: [ 22.563693] [ 22.563706] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 22.563725] netif_close_many (net/core/dev.c:1804) [ 22.563751] unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400) [ 22.563776] ? __destroy_inode (fs/inode.c:371) [ 22.563800] unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309) [ 22.563824] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim [ 22.563859] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim [ 22.563886] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim [ 22.563915] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim [ 22.563944] device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375) [ 22.563974] bus_remove_device (drivers/base/bus.c:657) [ 22.563996] ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977) [ 22.564021] device_del (drivers/base/core.c:3895) [ 22.564041] device_unregister (drivers/base/core.c:3936) [ 22.564060] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim [ 22.564089] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 22.564120] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 22.564142] ksys_write (fs/read_write.c:740) [ 22.564163] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.564184] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.564211] RIP: 0033:0x7f8a6c10308e [ 22.564235] 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 [ 22.564330] RSP: 002b:00007fff46191b60 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 22.564372] RAX: ffffffffffffffda RBX: 00007f8a6c285580 RCX: 00007f8a6c10308e [ 22.564410] RDX: 0000000000000004 RSI: 0000559d83c4a1f0 RDI: 0000000000000001 [ 22.564450] RBP: 00007fff46191b70 R08: 0000000000000000 R09: 0000000000000000 [ 22.564491] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 22.564531] R13: 0000000000000004 R14: 0000559d83c4a1f0 R15: 0000000000000000 | [ 22.564712] ------------[ cut here ]------------ | [ 22.564747] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/149 | [ 22.564796] Modules linked in: netconsole netdevsim [last unloaded: netconsole] | [ 22.564894] Tainted: [W]=WARN [ 22.564914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.564947] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 22.564977] 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 [ 22.565070] RSP: 0018:ff782846c02ebb88 EFLAGS: 00010286 [ 22.565102] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 22.565142] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801cd6f00 [ 22.565183] RBP: 0000000000000000 R08: ff49851801974f50 R09: ff49851806a5e830 [ 22.565219] R10: ff49851806a22118 R11: fefefefefefefeff R12: 0000000000000000 [ 22.565258] R13: 0000000000000011 R14: ff49851806a22000 R15: ff49851801cd6f00 [ 22.565297] FS: 00007f8a6c091b80(0000) GS:ff498518a08da000(0000) knlGS:0000000000000000 [ 22.565336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.565369] CR2: 000055893ed5c0c8 CR3: 0000000001cdd003 CR4: 0000000000771ef0 [ 22.565405] PKRU: 55555554 [ 22.565419] Call Trace: [ 22.565432] [ 22.565448] unregister_netdevice_many_notify (net/core/dev.c:12439) [ 22.565477] unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309) [ 22.565505] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim [ 22.565534] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim [ 22.565560] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim [ 22.565587] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim [ 22.565617] device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375) [ 22.565641] bus_remove_device (drivers/base/bus.c:657) [ 22.565669] ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977) [ 22.565698] device_del (drivers/base/core.c:3895) [ 22.565722] device_unregister (drivers/base/core.c:3936) [ 22.565743] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim [ 22.565771] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 22.565800] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 22.565824] ksys_write (fs/read_write.c:740) [ 22.565847] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.565866] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.565895] RIP: 0033:0x7f8a6c10308e [ 22.565912] 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 [ 22.565999] RSP: 002b:00007fff46191b60 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 22.566041] RAX: ffffffffffffffda RBX: 00007f8a6c285580 RCX: 00007f8a6c10308e [ 22.566077] RDX: 0000000000000004 RSI: 0000559d83c4a1f0 RDI: 0000000000000001 [ 22.566113] RBP: 00007fff46191b70 R08: 0000000000000000 R09: 0000000000000000 [ 22.566154] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 22.566193] R13: 0000000000000004 R14: 0000559d83c4a1f0 R15: 0000000000000000 | [ 22.599444] ------------[ cut here ]------------ | [ 22.599479] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12 | [ 22.599542] Modules linked in: netconsole netdevsim [last unloaded: netconsole] | [ 22.599651] Tainted: [W]=WARN [ 22.599674] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.599708] Workqueue: netns cleanup_net [ 22.599732] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 22.599764] 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 [ 22.599867] RSP: 0018:ff782846c0067c08 EFLAGS: 00010286 [ 22.599898] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000 [ 22.599944] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801df2500 [ 22.599986] RBP: 0000000000000000 R08: ff49851804c85210 R09: ff4985180113802c [ 22.600030] R10: ff49851806a50118 R11: fefefefefefefeff R12: 0000000000000000 [ 22.600076] R13: 0000000000000010 R14: ff49851806a50000 R15: ff49851801df2500 [ 22.600135] FS: 0000000000000000(0000) GS:ff498518a085a000(0000) knlGS:0000000000000000 [ 22.600179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.600208] CR2: 00007f690adc7620 CR3: 000000003aa42003 CR4: 0000000000771ef0 [ 22.600251] PKRU: 55555554 [ 22.600266] Call Trace: [ 22.600280] [ 22.600296] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 22.600319] netif_close_many (net/core/dev.c:1804) [ 22.600338] unregister_netdevice_many_notify (net/core/dev.c:12406) [ 22.600365] default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089) [ 22.600395] ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252) [ 22.600418] cleanup_net (net/core/net_namespace.c:702) [ 22.600440] process_one_work (kernel/workqueue.c:3314) [ 22.600465] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478) [ 22.600491] ? rescuer_thread (kernel/workqueue.c:3672) [ 22.600511] kthread (kernel/kthread.c:436) [ 22.600533] ? kthread_park (kernel/kthread.c:725 (discriminator 4)) [ 22.600554] ret_from_fork (arch/x86/kernel/process.c:158) [ 22.600580] ? kthread_park (kernel/kthread.c:725 (discriminator 4)) [ 22.600605] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 22.600748] ------------[ cut here ]------------ | [ 22.600782] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12 | [ 22.600842] Modules linked in: netconsole netdevsim [last unloaded: netconsole] | [ 22.600931] Tainted: [W]=WARN [ 22.600955] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.600994] Workqueue: netns cleanup_net [ 22.601016] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 22.601048] 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 [ 22.601141] RSP: 0018:ff782846c0067c78 EFLAGS: 00010286 [ 22.601172] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 22.601214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801df2500 [ 22.601255] RBP: 0000000000000000 R08: ff49851804c85210 R09: ff49851806a5902c [ 22.601293] R10: ff49851806a50118 R11: fefefefefefefeff R12: 0000000000000000 [ 22.601333] R13: 0000000000000011 R14: ff49851806a50000 R15: ff49851801df2500 [ 22.601383] FS: 0000000000000000(0000) GS:ff498518a085a000(0000) knlGS:0000000000000000 [ 22.601426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.601464] CR2: 00007f690adc7620 CR3: 000000003aa42003 CR4: 0000000000771ef0 [ 22.601504] PKRU: 55555554 [ 22.601517] Call Trace: [ 22.601530] [ 22.601544] unregister_netdevice_many_notify (net/core/dev.c:12439) [ 22.601570] default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089) [ 22.601593] ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252) [ 22.601613] cleanup_net (net/core/net_namespace.c:702) [ 22.601633] process_one_work (kernel/workqueue.c:3314) [ 22.601655] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478) [ 22.601676] ? rescuer_thread (kernel/workqueue.c:3672) [ 22.601696] kthread (kernel/kthread.c:436) [ 22.601716] ? kthread_park (kernel/kthread.c:725 (discriminator 4)) [ 22.601738] ret_from_fork (arch/x86/kernel/process.c:158) [ 22.601758] ? 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