====================================== | xx__-> [ 2.274797] ------------[ cut here ]------------ | [ 2.274897] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/167 | [ 2.274991] Modules linked in: netdevsim | [ 2.275163] Tainted: [W]=WARN [ 2.275220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.275289] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 2.275352] 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 [ 2.275483] RSP: 0018:ff5ad0c1c02e3cc8 EFLAGS: 00010286 [ 2.275547] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 2.275623] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d6e00 [ 2.275698] RBP: 0000000000000000 R08: ff369d04c335ac10 R09: ff369d04c6e2e02c [ 2.275773] R10: ff369d04c6e29118 R11: fefefefefefefeff R12: 0000000000000000 [ 2.275847] R13: 0000000000000010 R14: ff369d04c6e29000 R15: ff369d04c30d6e00 [ 2.275927] FS: 00007fb7c5601840(0000) GS:ff369d057ad5a000(0000) knlGS:0000000000000000 [ 2.276007] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.276075] CR2: 0000000000479648 CR3: 00000000055fc001 CR4: 0000000000771ef0 [ 2.276167] PKRU: 55555554 [ 2.276218] Call Trace: [ 2.276268] [ 2.276317] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 2.276378] register_netdevice (net/core/dev.c:11488) [ 2.276439] register_netdev (net/core/dev.c:11552) [ 2.276498] loopback_net_init (drivers/net/loopback.c:218) [ 2.276561] ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973) [ 2.276630] ops_init (net/core/net_namespace.c:137) [ 2.276692] setup_net (net/core/net_namespace.c:446) [ 2.276753] copy_net_ns (net/core/net_namespace.c:579) [ 2.276814] create_new_namespaces (kernel/nsproxy.c:132) [ 2.276884] unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4)) [ 2.276951] ksys_unshare (kernel/fork.c:3243) [ 2.277014] __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315) [ 2.277075] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 2.277152] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 2.277222] RIP: 0033:0x7fb7c58c3bcb [ 2.277281] 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 [ 2.277420] RSP: 002b:00007fff448f7e58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 2.277502] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb7c58c3bcb [ 2.277583] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000 [ 2.277663] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 2.277743] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff448fa080 [ 2.277822] R13: 0000000000000001 R14: 00007fb7c56016f8 R15: 00007fff448fa845 | [ 2.281271] ------------[ cut here ]------------ | [ 2.281305] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/168 | [ 2.281369] Modules linked in: netdevsim | [ 2.281453] Tainted: [W]=WARN [ 2.281475] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.281507] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 2.281542] 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 [ 2.281648] RSP: 0018:ff5ad0c1c03e7720 EFLAGS: 00010286 [ 2.281676] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000 [ 2.281718] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c1892b00 [ 2.281762] RBP: 0000000000000000 R08: ff369d04c335ac10 R09: ff369d04c19bb02c [ 2.281806] R10: ff369d04c6e29118 R11: fefefefefefefeff R12: 0000000000000000 [ 2.281852] R13: 0000000000000010 R14: ff369d04c6e29000 R15: ff369d04c1892b00 [ 2.281907] FS: 00007f9ffcae8840(0000) GS:ff369d057ac5a000(0000) knlGS:0000000000000000 [ 2.281953] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.281992] CR2: 0000000029927988 CR3: 0000000005675001 CR4: 0000000000771ef0 [ 2.282038] PKRU: 55555554 [ 2.282052] Call Trace: [ 2.282066] [ 2.282092] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 2.282115] __dev_notify_flags (net/core/dev.c:9787) [ 2.282148] netif_change_flags (net/core/dev.c:9820) [ 2.282173] do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1)) [ 2.282198] ? alloc_from_new_slab (./include/linux/spinlock.h:408 (discriminator 3) mm/slub.c:4391 (discriminator 3)) [ 2.282225] ? refill_objects (mm/slub.c:7281) [ 2.282249] ? __nla_validate_parse (lib/nlattr.c:620) [ 2.282282] ? __pcs_replace_empty_main (mm/slub.c:2816 mm/slub.c:4651) [ 2.282310] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 2.282333] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 2.282357] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 2.282387] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 2.282409] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 2.282433] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 2.282463] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 2.282485] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 2.282506] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 2.282527] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 2.282556] ___sys_sendmsg (net/socket.c:2752) [ 2.282577] __sys_sendmsg (net/socket.c:2784) [ 2.282599] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 2.282621] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 2.282650] RIP: 0033:0x7f9ffcd2208e [ 2.282671] 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 [ 2.282772] RSP: 002b:00007ffd096c5de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 2.282820] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9ffcd2208e [ 2.282863] RDX: 0000000000000000 RSI: 00007ffd096c5e90 RDI: 0000000000000005 [ 2.282905] RBP: 00007ffd096c5df0 R08: 0000000000000000 R09: 0000000000000000 [ 2.282951] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc9a [ 2.282995] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd096c6560 | [ 2.291994] ------------[ cut here ]------------ | [ 2.292032] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: bash/150 | [ 2.292093] Modules linked in: netdevsim | [ 2.292182] Tainted: [W]=WARN [ 2.292206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.292242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 2.292277] 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 [ 2.292372] RSP: 0018:ff5ad0c1c03779d0 EFLAGS: 00010286 [ 2.292401] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 2.292443] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d3300 [ 2.292477] RBP: 0000000000000000 R08: ff369d04c337b810 R09: ff369d04c2060030 [ 2.292520] R10: ff369d04c31de118 R11: fefefefefefefeff R12: 0000000000000000 [ 2.292561] R13: 0000000000000010 R14: ff369d04c31de000 R15: ff369d04c30d3300 [ 2.292604] FS: 00007f9f6ab28b80(0000) GS:ff369d057adda000(0000) knlGS:0000000000000000 [ 2.292647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.292681] CR2: 000055eade91a8e0 CR3: 0000000005452002 CR4: 0000000000771ef0 [ 2.292724] PKRU: 55555554 [ 2.292736] Call Trace: [ 2.292751] [ 2.292767] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 2.292790] register_netdevice (net/core/dev.c:11488) [ 2.292814] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim [ 2.292846] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim [ 2.292876] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim [ 2.292906] really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709) [ 2.292933] ? driver_probe_device (./include/linux/list.h:164 (discriminator 3)) [ 2.292959] __driver_probe_device (drivers/base/dd.c:871) [ 2.292988] driver_probe_device (drivers/base/dd.c:901) [ 2.293012] __device_attach_driver (drivers/base/dd.c:1029) [ 2.293041] bus_for_each_drv (drivers/base/bus.c:500) [ 2.293063] __device_attach (drivers/base/dd.c:1101) [ 2.293094] device_initial_probe (drivers/base/dd.c:1156) [ 2.293116] bus_probe_device (drivers/base/bus.c:613) [ 2.293147] device_add (drivers/base/core.c:3706) [ 2.293169] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim [ 2.293199] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 2.293231] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 2.293256] ksys_write (fs/read_write.c:740) [ 2.293277] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 2.293305] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 2.293335] RIP: 0033:0x7f9f6ab9a08e [ 2.293359] 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 [ 2.293457] RSP: 002b:00007ffc62acdb40 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 2.293501] RAX: ffffffffffffffda RBX: 00007f9f6ad1c580 RCX: 00007f9f6ab9a08e [ 2.293542] RDX: 0000000000000004 RSI: 000055eaeda3d1f0 RDI: 0000000000000001 [ 2.293583] RBP: 00007ffc62acdb50 R08: 0000000000000000 R09: 0000000000000000 [ 2.293624] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 2.293666] R13: 0000000000000004 R14: 000055eaeda3d1f0 R15: 0000000000000000 | [ 2.294039] ------------[ cut here ]------------ | [ 2.294068] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: bash/150 | [ 2.294138] Modules linked in: netdevsim | [ 2.294222] Tainted: [W]=WARN [ 2.294243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.294280] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 2.294308] 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 [ 2.294406] RSP: 0018:ff5ad0c1c03779d0 EFLAGS: 00010286 [ 2.294434] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 2.294474] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d7800 [ 2.294518] RBP: 0000000000000000 R08: ff369d04c2aeacd0 R09: ff369d04c6e52030 [ 2.294553] R10: ff369d04c31da118 R11: fefefefefefefeff R12: 0000000000000000 [ 2.294599] R13: 0000000000000010 R14: ff369d04c31da000 R15: ff369d04c30d7800 [ 2.294642] FS: 00007f9f6ab28b80(0000) GS:ff369d057adda000(0000) knlGS:0000000000000000 [ 2.294685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.294719] CR2: 000055eade91a8e0 CR3: 0000000005452002 CR4: 0000000000771ef0 [ 2.294762] PKRU: 55555554 [ 2.294781] Call Trace: [ 2.294797] [ 2.294813] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 2.294833] register_netdevice (net/core/dev.c:11488) [ 2.294857] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim [ 2.294892] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim [ 2.294924] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim [ 2.294954] really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709) [ 2.294979] ? driver_probe_device (./include/linux/list.h:164 (discriminator 3)) [ 2.295008] __driver_probe_device (drivers/base/dd.c:871) [ 2.295039] driver_probe_device (drivers/base/dd.c:901) [ 2.295061] __device_attach_driver (drivers/base/dd.c:1029) [ 2.295092] bus_for_each_drv (drivers/base/bus.c:500) [ 2.295113] __device_attach (drivers/base/dd.c:1101) [ 2.295145] device_initial_probe (drivers/base/dd.c:1156) [ 2.295168] bus_probe_device (drivers/base/bus.c:613) [ 2.295195] device_add (drivers/base/core.c:3706) [ 2.295219] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim [ 2.295250] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 2.295279] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 2.295301] ksys_write (fs/read_write.c:740) [ 2.295324] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 2.295348] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 2.295377] RIP: 0033:0x7f9f6ab9a08e [ 2.295399] 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 [ 2.295492] RSP: 002b:00007ffc62acdb70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 2.295536] RAX: ffffffffffffffda RBX: 00007f9f6ad1c580 RCX: 00007f9f6ab9a08e [ 2.295583] RDX: 0000000000000004 RSI: 000055eaeda3d1f0 RDI: 0000000000000001 [ 2.295627] RBP: 00007ffc62acdb80 R08: 0000000000000000 R09: 0000000000000000 [ 2.295670] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 2.295713] R13: 0000000000000004 R14: 000055eaeda3d1f0 R15: 0000000000000000 | [ 2.331114] ------------[ cut here ]------------ | [ 2.331216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/183 | [ 2.331315] Modules linked in: netdevsim | [ 2.331478] Tainted: [W]=WARN [ 2.331536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.331610] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 2.331678] 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 [ 2.331823] RSP: 0018:ff5ad0c1c03376d8 EFLAGS: 00010286 [ 2.331890] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 2.331971] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d7600 [ 2.332054] RBP: 0000000000000000 R08: ff369d04c337b810 R09: ff369d04c5504830 [ 2.332146] R10: ff369d04c31de118 R11: fefefefefefefeff R12: ff5ad0c1c033778c [ 2.332229] R13: 0000000000000011 R14: ff369d04c31de000 R15: ff369d04c30d7600 [ 2.332314] FS: 00007f294bdc7840(0000) GS:ff369d057ad5a000(0000) knlGS:0000000000000000 [ 2.332398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.332471] CR2: 000000000db7e988 CR3: 0000000005622003 CR4: 0000000000771ef0 [ 2.332556] PKRU: 55555554 [ 2.332608] Call Trace: [ 2.332661] [ 2.332714] rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567) [ 2.332777] __dev_change_net_namespace (net/core/dev.c:12635) [ 2.332847] ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3)) [ 2.332908] do_setlink.isra.0 (net/core/rtnetlink.c:3108) [ 2.332972] ? __nla_validate_parse (lib/nlattr.c:620) [ 2.333042] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 2.333112] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 2.333184] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 2.333257] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 2.333321] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 2.333383] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 2.333453] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 2.333516] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 2.333579] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 2.333640] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 2.333704] ___sys_sendmsg (net/socket.c:2752) [ 2.333767] __sys_sendmsg (net/socket.c:2784) [ 2.333829] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 2.333892] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 2.333960] RIP: 0033:0x7f294c00108e [ 2.334021] 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 [ 2.334167] RSP: 002b:00007fff28533bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 2.334247] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f294c00108e [ 2.334329] RDX: 0000000000000000 RSI: 00007fff28533c80 RDI: 0000000000000005 [ 2.334409] RBP: 00007fff28533be0 R08: 0000000000000000 R09: 0000000000000000 [ 2.334489] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc9a [ 2.334572] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff28534340 | [ 2.334847] ------------[ cut here ]------------ | [ 2.334912] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/183 | [ 2.335001] Modules linked in: netdevsim | [ 2.335179] Tainted: [W]=WARN [ 2.335238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.335312] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 2.335380] 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 [ 2.335523] RSP: 0018:ff5ad0c1c03376c8 EFLAGS: 00010286 [ 2.335592] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 2.335673] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d4c00 [ 2.335755] RBP: 0000000000000000 R08: ff369d04c337b810 R09: ff369d04c6e2e030 [ 2.335838] R10: ff369d04c31de118 R11: fefefefefefefeff R12: 0000000000000000 [ 2.335919] R13: 0000000000000010 R14: ff369d04c31de000 R15: ff369d04c30d4c00 [ 2.336003] FS: 00007f294bdc7840(0000) GS:ff369d057ad5a000(0000) knlGS:0000000000000000 [ 2.336094] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.336177] CR2: 000000000db7e988 CR3: 0000000005622003 CR4: 0000000000771ef0 [ 2.336259] PKRU: 55555554 [ 2.336311] Call Trace: [ 2.336363] [ 2.336414] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 2.336475] __dev_change_net_namespace (net/core/dev.c:12695) [ 2.336545] ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3)) [ 2.336607] do_setlink.isra.0 (net/core/rtnetlink.c:3108) [ 2.336669] ? __nla_validate_parse (lib/nlattr.c:620) [ 2.336738] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 2.336800] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 2.336862] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 2.336935] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 2.336996] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 2.337058] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 2.337139] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 2.337201] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 2.337262] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 2.337324] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 2.337385] ___sys_sendmsg (net/socket.c:2752) [ 2.337448] __sys_sendmsg (net/socket.c:2784) [ 2.337509] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 2.337571] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 2.337639] RIP: 0033:0x7f294c00108e [ 2.337699] 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 [ 2.337834] RSP: 002b:00007fff28533bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 2.337916] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f294c00108e [ 2.337997] RDX: 0000000000000000 RSI: 00007fff28533c80 RDI: 0000000000000005 [ 2.338077] RBP: 00007fff28533be0 R08: 0000000000000000 R09: 0000000000000000 [ 2.338167] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc9a [ 2.338247] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff28534340 | [ 2.349786] ------------[ cut here ]------------ | [ 2.349854] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/185 | [ 2.349945] Modules linked in: netdevsim | [ 2.350112] Tainted: [W]=WARN [ 2.350172] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.350244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 2.350311] 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 [ 2.350452] RSP: 0018:ff5ad0c1c034f720 EFLAGS: 00010286 [ 2.350519] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000 [ 2.350601] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d3200 [ 2.350681] RBP: 0000000000000000 R08: ff369d04c337b810 R09: ff369d04c6e2e030 [ 2.350763] R10: ff369d04c31de118 R11: fefefefefefefeff R12: 0000000000000000 [ 2.350844] R13: 0000000000000010 R14: ff369d04c31de000 R15: ff369d04c30d3200 [ 2.350927] FS: 00007f750256f840(0000) GS:ff369d057ad5a000(0000) knlGS:0000000000000000 [ 2.351009] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.351081] CR2: 0000000028ac1988 CR3: 0000000005540001 CR4: 0000000000771ef0 [ 2.351177] PKRU: 55555554 [ 2.351229] Call Trace: [ 2.351281] [ 2.351333] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 2.351393] __dev_notify_flags (net/core/dev.c:9787) [ 2.351455] ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288) [ 2.351516] netif_change_flags (net/core/dev.c:9820) [ 2.351578] do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1)) [ 2.351640] ? __nla_validate_parse (lib/nlattr.c:620) [ 2.351709] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 2.351771] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 2.351840] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 2.351907] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 2.351968] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 2.352029] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 2.352109] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 2.352172] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 2.352234] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 2.352295] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 2.352356] ___sys_sendmsg (net/socket.c:2752) [ 2.352418] __sys_sendmsg (net/socket.c:2784) [ 2.352480] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 2.352541] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 2.352610] RIP: 0033:0x7f75027a908e [ 2.352671] 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 [ 2.352815] RSP: 002b:00007ffd5e5a0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 2.352898] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f75027a908e [ 2.352979] RDX: 0000000000000000 RSI: 00007ffd5e5a0c10 RDI: 0000000000000005 [ 2.353061] RBP: 00007ffd5e5a0b70 R08: 0000000000000000 R09: 0000000000000000 [ 2.353153] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc9a [ 2.353235] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5e5a12d0 | [ 2.359251] ------------[ cut here ]------------ | [ 2.359322] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/188 | [ 2.359415] Modules linked in: netdevsim | [ 2.359573] Tainted: [W]=WARN [ 2.359632] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.359705] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 2.359772] 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 [ 2.359912] RSP: 0018:ff5ad0c1c0367720 EFLAGS: 00010286 [ 2.359980] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000 [ 2.360061] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d5d00 [ 2.360157] RBP: 0000000000000000 R08: ff369d04c2aeacd0 R09: ff369d04c6e2e030 [ 2.360238] R10: ff369d04c31da118 R11: fefefefefefefeff R12: 0000000000000000 [ 2.360319] R13: 0000000000000010 R14: ff369d04c31da000 R15: ff369d04c30d5d00 [ 2.360403] FS: 00007f92a2437840(0000) GS:ff369d057ad5a000(0000) knlGS:0000000000000000 [ 2.360486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.360558] CR2: 000000003acaa988 CR3: 00000000033b5003 CR4: 0000000000771ef0 [ 2.360642] PKRU: 55555554 [ 2.360693] Call Trace: [ 2.360744] [ 2.360796] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 2.360857] __dev_notify_flags (net/core/dev.c:9787) [ 2.360918] ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288) [ 2.360979] netif_change_flags (net/core/dev.c:9820) [ 2.361040] do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1)) [ 2.361110] ? __nla_validate_parse (lib/nlattr.c:620) [ 2.361187] rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1)) [ 2.361257] ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7)) [ 2.361318] ? do_setlink.isra.0 (net/core/rtnetlink.c:3455) [ 2.361388] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 2.361449] ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360) [ 2.361510] ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1)) [ 2.361579] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 2.361641] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 2.361702] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 2.361763] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 2.361824] ___sys_sendmsg (net/socket.c:2752) [ 2.361886] __sys_sendmsg (net/socket.c:2784) [ 2.361947] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 2.362007] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 2.362075] RIP: 0033:0x7f92a267108e [ 2.362149] 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 [ 2.362290] RSP: 002b:00007fffd53fbbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 2.362371] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f92a267108e [ 2.362452] RDX: 0000000000000000 RSI: 00007fffd53fbc60 RDI: 0000000000000005 [ 2.362533] RBP: 00007fffd53fbbc0 R08: 0000000000000000 R09: 0000000000000000 [ 2.362614] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc9a [ 2.362695] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd53fc320 | [ 22.584894] ------------[ cut here ]------------ | [ 22.584956] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/150 | [ 22.585017] Modules linked in: netconsole netdevsim [last unloaded: netconsole] | [ 22.585135] Tainted: [W]=WARN [ 22.585156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.585201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 22.585234] 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 [ 22.585328] RSP: 0018:ff5ad0c1c0377b18 EFLAGS: 00010286 [ 22.585357] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000 [ 22.585399] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d3500 [ 22.585441] RBP: 0000000000000000 R08: ff369d04c337b810 R09: ff369d04c29dd030 [ 22.585489] R10: ff369d04c31de118 R11: fefefefefefefeff R12: 0000000000000000 [ 22.585529] R13: 0000000000000010 R14: ff369d04c31de000 R15: ff369d04c30d3500 [ 22.585572] FS: 00007f9f6ab28b80(0000) GS:ff369d057acda000(0000) knlGS:0000000000000000 [ 22.585617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.585651] CR2: 000055eaeda83f8c CR3: 0000000005452003 CR4: 0000000000771ef0 [ 22.585693] PKRU: 55555554 [ 22.585706] Call Trace: [ 22.585720] [ 22.585736] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 22.585760] netif_close_many (net/core/dev.c:1804) [ 22.585786] unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400) [ 22.585816] ? __destroy_inode (fs/inode.c:371) [ 22.585838] unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309) [ 22.585870] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim [ 22.585899] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim [ 22.585928] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim [ 22.585958] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim [ 22.585987] device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375) [ 22.586021] bus_remove_device (drivers/base/bus.c:657) [ 22.586047] ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977) [ 22.586081] device_del (drivers/base/core.c:3895) [ 22.586105] device_unregister (drivers/base/core.c:3936) [ 22.586127] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim [ 22.586158] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 22.586194] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 22.586220] ksys_write (fs/read_write.c:740) [ 22.586243] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.586269] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.586299] RIP: 0033:0x7f9f6ab9a08e [ 22.586320] 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 [ 22.586416] RSP: 002b:00007ffc62ace4e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 22.586457] RAX: ffffffffffffffda RBX: 00007f9f6ad1c580 RCX: 00007f9f6ab9a08e [ 22.586496] RDX: 0000000000000004 RSI: 000055eaeda3d1f0 RDI: 0000000000000001 [ 22.586542] RBP: 00007ffc62ace4f0 R08: 0000000000000000 R09: 0000000000000000 [ 22.586585] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 22.586629] R13: 0000000000000004 R14: 000055eaeda3d1f0 R15: 0000000000000000 | [ 22.586797] ------------[ cut here ]------------ | [ 22.586833] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/150 | [ 22.586882] Modules linked in: netconsole netdevsim [last unloaded: netconsole] | [ 22.586988] Tainted: [W]=WARN [ 22.587010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.587044] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 22.587078] 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 [ 22.587190] RSP: 0018:ff5ad0c1c0377b88 EFLAGS: 00010286 [ 22.587227] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 22.587270] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d3500 [ 22.587313] RBP: 0000000000000000 R08: ff369d04c337b810 R09: ff369d04c31b5030 [ 22.587353] R10: ff369d04c31de118 R11: fefefefefefefeff R12: 0000000000000000 [ 22.587393] R13: 0000000000000011 R14: ff369d04c31de000 R15: ff369d04c30d3500 [ 22.587436] FS: 00007f9f6ab28b80(0000) GS:ff369d057acda000(0000) knlGS:0000000000000000 [ 22.587481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.587514] CR2: 000055eaeda83f8c CR3: 0000000005452003 CR4: 0000000000771ef0 [ 22.587561] PKRU: 55555554 [ 22.587574] Call Trace: [ 22.587585] [ 22.587600] unregister_netdevice_many_notify (net/core/dev.c:12439) [ 22.587630] unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309) [ 22.587660] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim [ 22.587690] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim [ 22.587717] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim [ 22.587749] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim [ 22.587780] device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375) [ 22.587812] bus_remove_device (drivers/base/bus.c:657) [ 22.587833] ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977) [ 22.587865] device_del (drivers/base/core.c:3895) [ 22.587888] device_unregister (drivers/base/core.c:3936) [ 22.587911] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim [ 22.587943] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 22.587974] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 22.587999] ksys_write (fs/read_write.c:740) [ 22.588022] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.588047] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.588074] RIP: 0033:0x7f9f6ab9a08e [ 22.588100] 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 [ 22.588205] RSP: 002b:00007ffc62ace4e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 22.588250] RAX: ffffffffffffffda RBX: 00007f9f6ad1c580 RCX: 00007f9f6ab9a08e [ 22.588294] RDX: 0000000000000004 RSI: 000055eaeda3d1f0 RDI: 0000000000000001 [ 22.588339] RBP: 00007ffc62ace4f0 R08: 0000000000000000 R09: 0000000000000000 [ 22.588384] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 22.588434] R13: 0000000000000004 R14: 000055eaeda3d1f0 R15: 0000000000000000 | [ 22.632234] ------------[ cut here ]------------ | [ 22.632277] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/150 | [ 22.632333] Modules linked in: netconsole netdevsim [last unloaded: netconsole] | [ 22.632448] Tainted: [W]=WARN [ 22.632472] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.632507] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 22.632536] 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 [ 22.632631] RSP: 0018:ff5ad0c1c0377b18 EFLAGS: 00010286 [ 22.632659] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000 [ 22.632700] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d3500 [ 22.632742] RBP: 0000000000000000 R08: ff369d04c2aeacd0 R09: ff369d04c2062030 [ 22.632783] R10: ff369d04c31da118 R11: fefefefefefefeff R12: 0000000000000000 [ 22.632822] R13: 0000000000000010 R14: ff369d04c31da000 R15: ff369d04c30d3500 [ 22.632865] FS: 00007f9f6ab28b80(0000) GS:ff369d057acda000(0000) knlGS:0000000000000000 [ 22.632909] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.632938] CR2: 000055eaeda83f8c CR3: 0000000005452003 CR4: 0000000000771ef0 [ 22.632987] PKRU: 55555554 [ 22.633000] Call Trace: [ 22.633015] [ 22.633031] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 22.633052] netif_close_many (net/core/dev.c:1804) [ 22.633076] unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400) [ 22.633112] ? __destroy_inode (fs/inode.c:371) [ 22.633133] unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309) [ 22.633162] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim [ 22.633200] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim [ 22.633229] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim [ 22.633254] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim [ 22.633284] device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375) [ 22.633313] bus_remove_device (drivers/base/bus.c:657) [ 22.633335] ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977) [ 22.633368] device_del (drivers/base/core.c:3895) [ 22.633394] device_unregister (drivers/base/core.c:3936) [ 22.633415] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim [ 22.633446] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 22.633475] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 22.633500] ksys_write (fs/read_write.c:740) [ 22.633526] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.633550] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.633577] RIP: 0033:0x7f9f6ab9a08e [ 22.633602] 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 [ 22.633693] RSP: 002b:00007ffc62ace5e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 22.633733] RAX: ffffffffffffffda RBX: 00007f9f6ad1c580 RCX: 00007f9f6ab9a08e [ 22.633773] RDX: 0000000000000004 RSI: 000055eaeda3d1f0 RDI: 0000000000000001 [ 22.633815] RBP: 00007ffc62ace5f0 R08: 0000000000000000 R09: 0000000000000000 [ 22.633857] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 22.633897] R13: 0000000000000004 R14: 000055eaeda3d1f0 R15: 0000000000000000 | [ 22.634060] ------------[ cut here ]------------ | [ 22.634092] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/150 | [ 22.634144] Modules linked in: netconsole netdevsim [last unloaded: netconsole] | [ 22.634252] Tainted: [W]=WARN [ 22.634272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.634307] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 22.634336] 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 [ 22.634430] RSP: 0018:ff5ad0c1c0377b88 EFLAGS: 00010286 [ 22.634457] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 22.634499] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d3500 [ 22.634539] RBP: 0000000000000000 R08: ff369d04c2aeacd0 R09: ff369d04c5507030 [ 22.634590] R10: ff369d04c31da118 R11: fefefefefefefeff R12: 0000000000000000 [ 22.634633] R13: 0000000000000011 R14: ff369d04c31da000 R15: ff369d04c30d3500 [ 22.634676] FS: 00007f9f6ab28b80(0000) GS:ff369d057acda000(0000) knlGS:0000000000000000 [ 22.634712] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.634749] CR2: 000055eaeda83f8c CR3: 0000000005452003 CR4: 0000000000771ef0 [ 22.634789] PKRU: 55555554 [ 22.634802] Call Trace: [ 22.634817] [ 22.634832] unregister_netdevice_many_notify (net/core/dev.c:12439) [ 22.634860] unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309) [ 22.634888] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim [ 22.634917] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim [ 22.634946] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim [ 22.634977] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim [ 22.635004] device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375) [ 22.635030] bus_remove_device (drivers/base/bus.c:657) [ 22.635053] ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977) [ 22.635081] device_del (drivers/base/core.c:3895) [ 22.635104] device_unregister (drivers/base/core.c:3936) [ 22.635124] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim [ 22.635154] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 22.635188] vfs_write (fs/read_write.c:595 fs/read_write.c:688) [ 22.635213] ksys_write (fs/read_write.c:740) [ 22.635233] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.635253] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.635281] RIP: 0033:0x7f9f6ab9a08e [ 22.635300] 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 [ 22.635394] RSP: 002b:00007ffc62ace5e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 22.635436] RAX: ffffffffffffffda RBX: 00007f9f6ad1c580 RCX: 00007f9f6ab9a08e [ 22.635477] RDX: 0000000000000004 RSI: 000055eaeda3d1f0 RDI: 0000000000000001 [ 22.635521] RBP: 00007ffc62ace5f0 R08: 0000000000000000 R09: 0000000000000000 [ 22.635561] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 22.635601] R13: 0000000000000004 R14: 000055eaeda3d1f0 R15: 0000000000000000 | [ 22.690903] ------------[ cut here ]------------ | [ 22.690942] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 0/12 | [ 22.691007] Modules linked in: netconsole netdevsim [last unloaded: netconsole] | [ 22.691127] Tainted: [W]=WARN [ 22.691150] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.691191] Workqueue: netns cleanup_net [ 22.691219] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 22.691250] 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 [ 22.691351] RSP: 0018:ff5ad0c1c0067c08 EFLAGS: 00010286 [ 22.691381] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000 [ 22.691430] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d7800 [ 22.691475] RBP: 0000000000000000 R08: ff369d04c335ac10 R09: ff369d04c19bb02c [ 22.691520] R10: ff369d04c6e29118 R11: fefefefefefefeff R12: 0000000000000000 [ 22.691555] R13: 0000000000000010 R14: ff369d04c6e29000 R15: ff369d04c30d7800 [ 22.691602] FS: 0000000000000000(0000) GS:ff369d057adda000(0000) knlGS:0000000000000000 [ 22.691651] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.691691] CR2: 00007f0a63e5b620 CR3: 0000000037642003 CR4: 0000000000771ef0 [ 22.691735] PKRU: 55555554 [ 22.691750] Call Trace: [ 22.691766] [ 22.691781] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560) [ 22.691806] netif_close_many (net/core/dev.c:1804) [ 22.691831] unregister_netdevice_many_notify (net/core/dev.c:12406) [ 22.691863] default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089) [ 22.691891] ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252) [ 22.691919] cleanup_net (net/core/net_namespace.c:702) [ 22.691942] process_one_work (kernel/workqueue.c:3314) [ 22.691967] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478) [ 22.691991] ? rescuer_thread (kernel/workqueue.c:3672) [ 22.692015] kthread (kernel/kthread.c:436) [ 22.692037] ? kthread_park (kernel/kthread.c:725 (discriminator 4)) [ 22.692059] ret_from_fork (arch/x86/kernel/process.c:158) [ 22.692084] ? kthread_park (kernel/kthread.c:725 (discriminator 4)) [ 22.692110] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 22.692344] ------------[ cut here ]------------ | [ 22.692381] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 0/12 | [ 22.692456] Modules linked in: netconsole netdevsim [last unloaded: netconsole] | [ 22.692556] Tainted: [W]=WARN [ 22.692577] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.692610] Workqueue: netns cleanup_net [ 22.692633] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 22.692664] 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 [ 22.692763] RSP: 0018:ff5ad0c1c0067c78 EFLAGS: 00010286 [ 22.692789] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 22.692832] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d7800 [ 22.692873] RBP: 0000000000000000 R08: ff369d04c335ac10 R09: ff369d04c6e3502c [ 22.692917] R10: ff369d04c6e29118 R11: fefefefefefefeff R12: 0000000000000000 [ 22.692960] R13: 0000000000000011 R14: ff369d04c6e29000 R15: ff369d04c30d7800 [ 22.693003] FS: 0000000000000000(0000) GS:ff369d057adda000(0000) knlGS:0000000000000000 [ 22.693044] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.693078] CR2: 00007f0a63e5b620 CR3: 0000000037642003 CR4: 0000000000771ef0 [ 22.693123] PKRU: 55555554 [ 22.693137] Call Trace: [ 22.693151] [ 22.693166] unregister_netdevice_many_notify (net/core/dev.c:12439) [ 22.693203] default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089) [ 22.693230] ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252) [ 22.693251] cleanup_net (net/core/net_namespace.c:702) [ 22.693273] process_one_work (kernel/workqueue.c:3314) [ 22.693296] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478) [ 22.693320] ? rescuer_thread (kernel/workqueue.c:3672) [ 22.693342] kthread (kernel/kthread.c:436) [ 22.693363] ? kthread_park (kernel/kthread.c:725 (discriminator 4)) [ 22.693386] ret_from_fork (arch/x86/kernel/process.c:158) [ 22.693405] ? 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