====================================== | xx__-> [ 10.332389][ T201] ------------[ cut here ]------------ | [ 10.332716][ T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/201 | [ 10.333000][ T201] Modules linked in: netdevsim psample | [ 10.333539][ T201] Tainted: [W]=WARN [ 10.333702][ T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.333916][ T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.334133][ T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff All code ======== 0: 89 fa mov %edi,%edx 2: 48 c1 ea 03 shr $0x3,%rdx 6: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx a: 48 89 f8 mov %rdi,%rax d: 83 e0 07 and $0x7,%eax 10: 83 c0 03 add $0x3,%eax 13: 38 d0 cmp %dl,%al 15: 7c 04 jl 0x1b 17: 84 d2 test %dl,%dl 19: 75 79 jne 0x94 1b: 48 8b 44 24 58 mov 0x58(%rsp),%rax 20: 44 8b 48 08 mov 0x8(%rax),%r9d 24: e9 42 ff ff ff jmp 0xffffffffffffff6b 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 48 89 de mov %rbx,%rsi 35: 31 ff xor %edi,%edi 37: e8 e8 b2 f0 ff call 0xfffffffffff0b324 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: 48 89 de mov %rbx,%rsi b: 31 ff xor %edi,%edi d: e8 e8 b2 f0 ff call 0xfffffffffff0b2fa 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.334664][ T201] RSP: 0018:ffa00000005f7a80 EFLAGS: 00010286 [ 10.334878][ T201] RAX: 00000000ffffffa6 RBX: ff110000093303c0 RCX: 1ff40000000bef16 [ 10.335119][ T201] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000933047c [ 10.335366][ T201] RBP: ff1100000973c000 R08: 1fe2200001266091 R09: ff1100000ee82e80 [ 10.335612][ T201] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff [ 10.335866][ T201] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000973c000 [ 10.336110][ T201] FS: 00007f47461d1840(0000) GS:ff110000bd7c7000(0000) knlGS:0000000000000000 [ 10.336397][ T201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.336611][ T201] CR2: 0000000000479648 CR3: 00000000103c0004 CR4: 0000000000771ef0 [ 10.336869][ T201] PKRU: 55555554 [ 10.337015][ T201] Call Trace: [ 10.337159][ T201] [ 10.337275][ T201] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 10.337465][ T201] ? notifier_call_chain (kernel/notifier.c:85) [ 10.337664][ T201] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 10.337815][ T201] register_netdevice (net/core/dev.c:11488) [ 10.337996][ T201] ? unregister_netdevice_queue (./include/linux/list.h:162) [ 10.338206][ T201] ? alloc_netdev_mqs (net/core/dev.c:12133) [ 10.338395][ T201] register_netdev (net/core/dev.c:11552) [ 10.338573][ T201] loopback_net_init (drivers/net/loopback.c:218) [ 10.338766][ T201] ops_init (net/core/net_namespace.c:137) [ 10.338916][ T201] setup_net (net/core/net_namespace.c:446) [ 10.339064][ T201] ? unregister_pernet_device (net/core/net_namespace.c:1503) [ 10.339242][ T201] ? lockdep_init_map_type (kernel/locking/lockdep.c:4973) [ 10.339445][ T201] ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185) [ 10.339627][ T201] copy_net_ns (net/core/net_namespace.c:579) [ 10.339824][ T201] create_new_namespaces (kernel/nsproxy.c:132) [ 10.340005][ T201] unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4)) [ 10.340184][ T201] ksys_unshare (kernel/fork.c:3243) [ 10.340369][ T201] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 10.340550][ T201] ? walk_process_tree (kernel/fork.c:3036 (discriminator 19)) [ 10.340753][ T201] ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381) [ 10.340933][ T201] ? __ia32_sys_open (fs/open.c:1374) [ 10.341112][ T201] __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315) [ 10.341289][ T201] ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89) [ 10.341475][ T201] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 10.341665][ T201] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 10.341847][ T201] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 10.342027][ T201] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.342240][ T201] RIP: 0033:0x7f4746493bcb [ 10.342431][ T201] 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 [ 10.342946][ T201] RSP: 002b:00007ffdee0cd758 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 10.343188][ T201] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4746493bcb [ 10.343443][ T201] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000 [ 10.343699][ T201] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 10.343939][ T201] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdee0cf988 [ 10.344179][ T201] R13: 0000000000000001 R14: 00007f47461d16f8 R15: 00007ffdee0d1878 | [ 10.349063][ T201] ------------[ cut here ]------------ | [ 10.349239][ T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/201 | [ 10.349523][ T201] Modules linked in: netdevsim psample | [ 10.350070][ T201] Tainted: [W]=WARN [ 10.350214][ T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.350431][ T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.350663][ T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff All code ======== 0: 89 fa mov %edi,%edx 2: 48 c1 ea 03 shr $0x3,%rdx 6: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx a: 48 89 f8 mov %rdi,%rax d: 83 e0 07 and $0x7,%eax 10: 83 c0 03 add $0x3,%eax 13: 38 d0 cmp %dl,%al 15: 7c 04 jl 0x1b 17: 84 d2 test %dl,%dl 19: 75 79 jne 0x94 1b: 48 8b 44 24 58 mov 0x58(%rsp),%rax 20: 44 8b 48 08 mov 0x8(%rax),%r9d 24: e9 42 ff ff ff jmp 0xffffffffffffff6b 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 48 89 de mov %rbx,%rsi 35: 31 ff xor %edi,%edi 37: e8 e8 b2 f0 ff call 0xfffffffffff0b324 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: 48 89 de mov %rbx,%rsi b: 31 ff xor %edi,%edi d: e8 e8 b2 f0 ff call 0xfffffffffff0b2fa 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.351165][ T201] RSP: 0018:ffa00000005f7918 EFLAGS: 00010286 [ 10.351381][ T201] RAX: 00000000ffffffa6 RBX: ff1100000a140040 RCX: 1ff40000000beee9 [ 10.351620][ T201] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1400fc [ 10.351875][ T201] RBP: ff11000010249000 R08: 1fe2200001428021 R09: ff1100000ee82e80 [ 10.352113][ T201] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff [ 10.352361][ T201] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010249000 [ 10.352602][ T201] FS: 00007f47461d1840(0000) GS:ff110000bd7c7000(0000) knlGS:0000000000000000 [ 10.352888][ T201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.353097][ T201] CR2: 0000000000479648 CR3: 00000000103c0004 CR4: 0000000000771ef0 [ 10.353337][ T201] PKRU: 55555554 [ 10.353487][ T201] Call Trace: [ 10.353630][ T201] [ 10.353757][ T201] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 10.353937][ T201] ? notifier_call_chain (kernel/notifier.c:85) [ 10.354113][ T201] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 10.354259][ T201] register_netdevice (net/core/dev.c:11488) [ 10.354449][ T201] ? unregister_netdevice_queue (./include/linux/list.h:162) [ 10.354668][ T201] ? alloc_netdev_mqs (net/core/dev.c:12133) [ 10.354848][ T201] __ip_tunnel_create (net/ipv4/ip_tunnel.c:268) [ 10.355025][ T201] ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1)) [ 10.355205][ T201] ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 10.355390][ T201] ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147) [ 10.355569][ T201] ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952) [ 10.355760][ T201] ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307) [ 10.355939][ T201] ops_init (net/core/net_namespace.c:137) [ 10.356086][ T201] setup_net (net/core/net_namespace.c:446) [ 10.356231][ T201] ? unregister_pernet_device (net/core/net_namespace.c:1503) [ 10.356414][ T201] ? lockdep_init_map_type (kernel/locking/lockdep.c:4973) [ 10.356597][ T201] ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185) [ 10.356785][ T201] copy_net_ns (net/core/net_namespace.c:579) [ 10.356965][ T201] create_new_namespaces (kernel/nsproxy.c:132) [ 10.357145][ T201] unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4)) [ 10.357323][ T201] ksys_unshare (kernel/fork.c:3243) [ 10.357508][ T201] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 10.357697][ T201] ? walk_process_tree (kernel/fork.c:3036 (discriminator 19)) [ 10.357877][ T201] ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381) [ 10.358055][ T201] ? __ia32_sys_open (fs/open.c:1374) [ 10.358234][ T201] __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315) [ 10.358420][ T201] ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89) [ 10.358597][ T201] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 10.358784][ T201] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 10.358961][ T201] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 10.359138][ T201] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.359347][ T201] RIP: 0033:0x7f4746493bcb [ 10.359538][ T201] 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 [ 10.360058][ T201] RSP: 002b:00007ffdee0cd758 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 10.360303][ T201] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4746493bcb [ 10.360553][ T201] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000 [ 10.360806][ T201] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 10.361046][ T201] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdee0cf988 [ 10.361290][ T201] R13: 0000000000000001 R14: 00007f47461d16f8 R15: 00007ffdee0d1878 | [ 10.365630][ T201] ------------[ cut here ]------------ | [ 10.365818][ T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/201 | [ 10.366098][ T201] Modules linked in: netdevsim psample | [ 10.366604][ T201] Tainted: [W]=WARN [ 10.366763][ T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.366976][ T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.367201][ T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff All code ======== 0: 89 fa mov %edi,%edx 2: 48 c1 ea 03 shr $0x3,%rdx 6: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx a: 48 89 f8 mov %rdi,%rax d: 83 e0 07 and $0x7,%eax 10: 83 c0 03 add $0x3,%eax 13: 38 d0 cmp %dl,%al 15: 7c 04 jl 0x1b 17: 84 d2 test %dl,%dl 19: 75 79 jne 0x94 1b: 48 8b 44 24 58 mov 0x58(%rsp),%rax 20: 44 8b 48 08 mov 0x8(%rax),%r9d 24: e9 42 ff ff ff jmp 0xffffffffffffff6b 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 48 89 de mov %rbx,%rsi 35: 31 ff xor %edi,%edi 37: e8 e8 b2 f0 ff call 0xfffffffffff0b324 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: 48 89 de mov %rbx,%rsi b: 31 ff xor %edi,%edi d: e8 e8 b2 f0 ff call 0xfffffffffff0b2fa 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.367741][ T201] RSP: 0018:ffa00000005f78f8 EFLAGS: 00010286 [ 10.367955][ T201] RAX: 00000000ffffffa6 RBX: ff110000093311c0 RCX: 1ff40000000beee5 [ 10.368201][ T201] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000933127c [ 10.368453][ T201] RBP: ff1100000eae9000 R08: 1fe2200001266251 R09: ff1100000ee82e80 [ 10.368711][ T201] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff [ 10.368955][ T201] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eae9000 [ 10.369201][ T201] FS: 00007f47461d1840(0000) GS:ff110000bd7c7000(0000) knlGS:0000000000000000 [ 10.369491][ T201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.369718][ T201] CR2: 0000000000479648 CR3: 00000000103c0004 CR4: 0000000000771ef0 [ 10.369964][ T201] PKRU: 55555554 [ 10.370110][ T201] Call Trace: [ 10.370255][ T201] [ 10.370376][ T201] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 10.370561][ T201] ? notifier_call_chain (kernel/notifier.c:85) [ 10.370753][ T201] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 10.370902][ T201] register_netdevice (net/core/dev.c:11488) [ 10.371085][ T201] ? unregister_netdevice_queue (./include/linux/list.h:162) [ 10.371297][ T201] ? alloc_netdev_mqs (net/core/dev.c:12133) [ 10.371491][ T201] __ip_tunnel_create (net/ipv4/ip_tunnel.c:268) [ 10.371687][ T201] ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1)) [ 10.371870][ T201] ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 10.372051][ T201] ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147) [ 10.372233][ T201] ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952) [ 10.372423][ T201] ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22)) [ 10.372606][ T201] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.372803][ T201] vti_init_net (net/ipv4/ip_vti.c:517) [ 10.372984][ T201] ops_init (net/core/net_namespace.c:137) [ 10.373133][ T201] setup_net (net/core/net_namespace.c:446) [ 10.373284][ T201] ? unregister_pernet_device (net/core/net_namespace.c:1503) [ 10.373466][ T201] ? lockdep_init_map_type (kernel/locking/lockdep.c:4973) [ 10.373660][ T201] ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185) [ 10.373843][ T201] copy_net_ns (net/core/net_namespace.c:579) [ 10.374025][ T201] create_new_namespaces (kernel/nsproxy.c:132) [ 10.374208][ T201] unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4)) [ 10.374397][ T201] ksys_unshare (kernel/fork.c:3243) [ 10.374580][ T201] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 10.374773][ T201] ? walk_process_tree (kernel/fork.c:3036 (discriminator 19)) [ 10.374954][ T201] ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381) [ 10.375134][ T201] ? __ia32_sys_open (fs/open.c:1374) [ 10.375314][ T201] __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315) [ 10.375500][ T201] ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89) [ 10.375690][ T201] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 10.375873][ T201] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 10.376052][ T201] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 10.376233][ T201] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.376453][ T201] RIP: 0033:0x7f4746493bcb [ 10.376650][ T201] 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 [ 10.377164][ T201] RSP: 002b:00007ffdee0cd758 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 10.377419][ T201] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4746493bcb [ 10.377676][ T201] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000 [ 10.377921][ T201] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 10.378168][ T201] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdee0cf988 [ 10.378420][ T201] R13: 0000000000000001 R14: 00007f47461d16f8 R15: 00007ffdee0d1878 | [ 10.383972][ T201] ------------[ cut here ]------------ | [ 10.384152][ T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/201 | [ 10.384430][ T201] Modules linked in: netdevsim psample | [ 10.385006][ T201] Tainted: [W]=WARN [ 10.385209][ T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.385495][ T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.385800][ T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff All code ======== 0: 89 fa mov %edi,%edx 2: 48 c1 ea 03 shr $0x3,%rdx 6: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx a: 48 89 f8 mov %rdi,%rax d: 83 e0 07 and $0x7,%eax 10: 83 c0 03 add $0x3,%eax 13: 38 d0 cmp %dl,%al 15: 7c 04 jl 0x1b 17: 84 d2 test %dl,%dl 19: 75 79 jne 0x94 1b: 48 8b 44 24 58 mov 0x58(%rsp),%rax 20: 44 8b 48 08 mov 0x8(%rax),%r9d 24: e9 42 ff ff ff jmp 0xffffffffffffff6b 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 48 89 de mov %rbx,%rsi 35: 31 ff xor %edi,%edi 37: e8 e8 b2 f0 ff call 0xfffffffffff0b324 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: 48 89 de mov %rbx,%rsi b: 31 ff xor %edi,%edi d: e8 e8 b2 f0 ff call 0xfffffffffff0b2fa 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.386372][ T201] RSP: 0018:ffa00000005f7a78 EFLAGS: 00010286 [ 10.386651][ T201] RAX: 00000000ffffffa6 RBX: ff110000093318c0 RCX: 1ff40000000bef15 [ 10.386946][ T201] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000933197c [ 10.387243][ T201] RBP: ff1100000e9d9000 R08: 1fe2200001266331 R09: ff1100000ee82e80 [ 10.387545][ T201] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff [ 10.387857][ T201] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e9d9000 [ 10.388154][ T201] FS: 00007f47461d1840(0000) GS:ff110000bd7c7000(0000) knlGS:0000000000000000 [ 10.388492][ T201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.388770][ T201] CR2: 0000000000479648 CR3: 00000000103c0004 CR4: 0000000000771ef0 [ 10.389070][ T201] PKRU: 55555554 [ 10.389267][ T201] Call Trace: [ 10.389477][ T201] [ 10.389660][ T201] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 10.389896][ T201] ? notifier_call_chain (kernel/notifier.c:85) [ 10.390126][ T201] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 10.390326][ T201] register_netdevice (net/core/dev.c:11488) [ 10.390566][ T201] ? unregister_netdevice_queue (./include/linux/list.h:162) [ 10.390843][ T201] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.391075][ T201] register_netdev (net/core/dev.c:11552) [ 10.391307][ T201] vti6_init_net (net/ipv6/ip6_vti.c:1167) [ 10.391551][ T201] ops_init (net/core/net_namespace.c:137) [ 10.391766][ T201] setup_net (net/core/net_namespace.c:446) [ 10.391966][ T201] ? unregister_pernet_device (net/core/net_namespace.c:1503) [ 10.392196][ T201] ? lockdep_init_map_type (kernel/locking/lockdep.c:4973) [ 10.392435][ T201] ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185) [ 10.392686][ T201] copy_net_ns (net/core/net_namespace.c:579) [ 10.392921][ T201] create_new_namespaces (kernel/nsproxy.c:132) [ 10.393152][ T201] unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4)) [ 10.393391][ T201] ksys_unshare (kernel/fork.c:3243) [ 10.393619][ T201] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 10.393864][ T201] ? walk_process_tree (kernel/fork.c:3036 (discriminator 19)) [ 10.394098][ T201] ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381) [ 10.394329][ T201] ? __ia32_sys_open (fs/open.c:1374) [ 10.394568][ T201] __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315) [ 10.394809][ T201] ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89) [ 10.395037][ T201] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 10.395267][ T201] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 10.395507][ T201] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 10.395750][ T201] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.396015][ T201] RIP: 0033:0x7f4746493bcb [ 10.396252][ T201] 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 [ 10.396835][ T201] RSP: 002b:00007ffdee0cd758 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 10.397132][ T201] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4746493bcb [ 10.397435][ T201] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000 [ 10.397740][ T201] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 10.398032][ T201] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdee0cf988 [ 10.398323][ T201] R13: 0000000000000001 R14: 00007f47461d16f8 R15: 00007ffdee0d1878 | [ 10.409474][ T201] ------------[ cut here ]------------ | [ 10.409622][ T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/201 | [ 10.409876][ T201] Modules linked in: netdevsim psample | [ 10.410288][ T201] Tainted: [W]=WARN [ 10.410397][ T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.410567][ T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.410751][ T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff All code ======== 0: 89 fa mov %edi,%edx 2: 48 c1 ea 03 shr $0x3,%rdx 6: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx a: 48 89 f8 mov %rdi,%rax d: 83 e0 07 and $0x7,%eax 10: 83 c0 03 add $0x3,%eax 13: 38 d0 cmp %dl,%al 15: 7c 04 jl 0x1b 17: 84 d2 test %dl,%dl 19: 75 79 jne 0x94 1b: 48 8b 44 24 58 mov 0x58(%rsp),%rax 20: 44 8b 48 08 mov 0x8(%rax),%r9d 24: e9 42 ff ff ff jmp 0xffffffffffffff6b 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 48 89 de mov %rbx,%rsi 35: 31 ff xor %edi,%edi 37: e8 e8 b2 f0 ff call 0xfffffffffff0b324 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: 48 89 de mov %rbx,%rsi b: 31 ff xor %edi,%edi d: e8 e8 b2 f0 ff call 0xfffffffffff0b2fa 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.411227][ T201] RSP: 0018:ffa00000005f7a68 EFLAGS: 00010286 [ 10.411401][ T201] RAX: 00000000ffffffa6 RBX: ff11000009918740 RCX: 1ff40000000bef13 [ 10.411601][ T201] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000099187fc [ 10.411806][ T201] RBP: ff1100000ea24000 R08: 1fe2200001323101 R09: ff1100000ee82e80 [ 10.412003][ T201] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff [ 10.412200][ T201] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ea24000 [ 10.412404][ T201] FS: 00007f47461d1840(0000) GS:ff110000bd847000(0000) knlGS:0000000000000000 [ 10.412646][ T201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.412816][ T201] CR2: 00007f42674268f4 CR3: 00000000103c0001 CR4: 0000000000771ef0 [ 10.413016][ T201] PKRU: 55555554 [ 10.413116][ T201] Call Trace: [ 10.413215][ T201] [ 10.413285][ T201] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 10.413423][ T201] ? notifier_call_chain (kernel/notifier.c:85) [ 10.413554][ T201] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 10.413660][ T201] register_netdevice (net/core/dev.c:11488) [ 10.413793][ T201] ? unregister_netdevice_queue (./include/linux/list.h:162) [ 10.413960][ T201] register_netdev (net/core/dev.c:11552) [ 10.414091][ T201] sit_init_net (net/ipv6/sit.c:1860) [ 10.414226][ T201] ops_init (net/core/net_namespace.c:137) [ 10.414326][ T201] setup_net (net/core/net_namespace.c:446) [ 10.414431][ T201] ? unregister_pernet_device (net/core/net_namespace.c:1503) [ 10.414562][ T201] ? lockdep_init_map_type (kernel/locking/lockdep.c:4973) [ 10.414701][ T201] ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185) [ 10.414841][ T201] copy_net_ns (net/core/net_namespace.c:579) [ 10.414973][ T201] create_new_namespaces (kernel/nsproxy.c:132) [ 10.415108][ T201] unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4)) [ 10.415240][ T201] ksys_unshare (kernel/fork.c:3243) [ 10.415379][ T201] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 10.415513][ T201] ? walk_process_tree (kernel/fork.c:3036 (discriminator 19)) [ 10.415649][ T201] ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381) [ 10.415782][ T201] ? __ia32_sys_open (fs/open.c:1374) [ 10.415915][ T201] __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315) [ 10.416046][ T201] ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89) [ 10.416180][ T201] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 10.416311][ T201] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 10.416448][ T201] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 10.416580][ T201] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.416748][ T201] RIP: 0033:0x7f4746493bcb [ 10.416887][ T201] 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 [ 10.417363][ T201] RSP: 002b:00007ffdee0cd758 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 10.417562][ T201] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4746493bcb [ 10.417764][ T201] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000 [ 10.417962][ T201] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 10.418158][ T201] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdee0cf988 [ 10.418357][ T201] R13: 0000000000000001 R14: 00007f47461d16f8 R15: 00007ffdee0d1878 | [ 10.423231][ T201] ------------[ cut here ]------------ | [ 10.423377][ T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/201 | [ 10.423609][ T201] Modules linked in: netdevsim psample | [ 10.424068][ T201] Tainted: [W]=WARN [ 10.424167][ T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.424332][ T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.424508][ T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff All code ======== 0: 89 fa mov %edi,%edx 2: 48 c1 ea 03 shr $0x3,%rdx 6: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx a: 48 89 f8 mov %rdi,%rax d: 83 e0 07 and $0x7,%eax 10: 83 c0 03 add $0x3,%eax 13: 38 d0 cmp %dl,%al 15: 7c 04 jl 0x1b 17: 84 d2 test %dl,%dl 19: 75 79 jne 0x94 1b: 48 8b 44 24 58 mov 0x58(%rsp),%rax 20: 44 8b 48 08 mov 0x8(%rax),%r9d 24: e9 42 ff ff ff jmp 0xffffffffffffff6b 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 48 89 de mov %rbx,%rsi 35: 31 ff xor %edi,%edi 37: e8 e8 b2 f0 ff call 0xfffffffffff0b324 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: 48 89 de mov %rbx,%rsi b: 31 ff xor %edi,%edi d: e8 e8 b2 f0 ff call 0xfffffffffff0b2fa 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.424983][ T201] RSP: 0018:ffa00000005f7a78 EFLAGS: 00010286 [ 10.425151][ T201] RAX: 00000000ffffffa6 RBX: ff110000094aec80 RCX: 1ff40000000bef15 [ 10.425350][ T201] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094aed3c [ 10.425555][ T201] RBP: ff1100000ee44000 R08: 1fe2200001295da9 R09: ff1100000ee82e80 [ 10.425760][ T201] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff [ 10.425960][ T201] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ee44000 [ 10.426162][ T201] FS: 00007f47461d1840(0000) GS:ff110000bd847000(0000) knlGS:0000000000000000 [ 10.426401][ T201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.426569][ T201] CR2: 00007f42674268f4 CR3: 00000000103c0001 CR4: 0000000000771ef0 [ 10.426777][ T201] PKRU: 55555554 [ 10.426877][ T201] Call Trace: [ 10.426977][ T201] [ 10.427046][ T201] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 10.427180][ T201] ? notifier_call_chain (kernel/notifier.c:85) [ 10.427314][ T201] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 10.427421][ T201] register_netdevice (net/core/dev.c:11488) [ 10.427557][ T201] ? unregister_netdevice_queue (./include/linux/list.h:162) [ 10.427728][ T201] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.427864][ T201] register_netdev (net/core/dev.c:11552) [ 10.427998][ T201] ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346) [ 10.428132][ T201] ops_init (net/core/net_namespace.c:137) [ 10.428234][ T201] setup_net (net/core/net_namespace.c:446) [ 10.428335][ T201] ? unregister_pernet_device (net/core/net_namespace.c:1503) [ 10.428475][ T201] ? lockdep_init_map_type (kernel/locking/lockdep.c:4973) [ 10.428609][ T201] ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185) [ 10.428748][ T201] copy_net_ns (net/core/net_namespace.c:579) [ 10.428884][ T201] create_new_namespaces (kernel/nsproxy.c:132) [ 10.429020][ T201] unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4)) [ 10.429154][ T201] ksys_unshare (kernel/fork.c:3243) [ 10.429286][ T201] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 10.429423][ T201] ? walk_process_tree (kernel/fork.c:3036 (discriminator 19)) [ 10.429555][ T201] ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381) [ 10.429693][ T201] ? __ia32_sys_open (fs/open.c:1374) [ 10.429826][ T201] __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315) [ 10.429958][ T201] ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89) [ 10.430089][ T201] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 10.430221][ T201] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 10.430357][ T201] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 10.430492][ T201] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.430661][ T201] RIP: 0033:0x7f4746493bcb [ 10.430799][ T201] 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 [ 10.431265][ T201] RSP: 002b:00007ffdee0cd758 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 10.431467][ T201] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4746493bcb [ 10.431667][ T201] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000 [ 10.431863][ T201] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 10.432059][ T201] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdee0cf988 [ 10.432258][ T201] R13: 0000000000000001 R14: 00007f47461d16f8 R15: 00007ffdee0d1878 | [ 10.472782][ T12] ------------[ cut here ]------------ | [ 10.472995][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12 | [ 10.473229][ T12] Modules linked in: netdevsim psample | [ 10.473701][ T12] Tainted: [W]=WARN [ 10.473791][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.473940][ T12] Workqueue: netns cleanup_net [ 10.474074][ T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.474239][ T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff All code ======== 0: 89 fa mov %edi,%edx 2: 48 c1 ea 03 shr $0x3,%rdx 6: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx a: 48 89 f8 mov %rdi,%rax d: 83 e0 07 and $0x7,%eax 10: 83 c0 03 add $0x3,%eax 13: 38 d0 cmp %dl,%al 15: 7c 04 jl 0x1b 17: 84 d2 test %dl,%dl 19: 75 79 jne 0x94 1b: 48 8b 44 24 58 mov 0x58(%rsp),%rax 20: 44 8b 48 08 mov 0x8(%rax),%r9d 24: e9 42 ff ff ff jmp 0xffffffffffffff6b 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 48 89 de mov %rbx,%rsi 35: 31 ff xor %edi,%edi 37: e8 e8 b2 f0 ff call 0xfffffffffff0b324 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: 48 89 de mov %rbx,%rsi b: 31 ff xor %edi,%edi d: e8 e8 b2 f0 ff call 0xfffffffffff0b2fa 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.474725][ T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286 [ 10.474886][ T12] RAX: 00000000ffffffa6 RBX: ff110000104f2740 RCX: 1ff4000000018eed [ 10.475060][ T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000104f27fc [ 10.475240][ T12] RBP: ff1100000ee44000 R08: 1fe220000209e501 R09: ff11000001aed1d0 [ 10.475423][ T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff [ 10.475598][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 10.475827][ T12] FS: 0000000000000000(0000) GS:ff110000bd6c7000(0000) knlGS:0000000000000000 [ 10.476032][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.476181][ T12] CR2: 00007fc935cb1574 CR3: 000000006c34d004 CR4: 0000000000771ef0 [ 10.476410][ T12] PKRU: 55555554 [ 10.476500][ T12] Call Trace: [ 10.476588][ T12] [ 10.476695][ T12] unregister_netdevice_many_notify (net/core/dev.c:12439) [ 10.476850][ T12] ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3)) [ 10.476995][ T12] ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686) [ 10.477118][ T12] ? ipmr_free_table (net/ipv4/ipmr.c:453) [ 10.477239][ T12] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 10.477364][ T12] ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1)) [ 10.477505][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 10.477625][ T12] ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248) [ 10.477793][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 10.477912][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.478034][ T12] cleanup_net (net/core/net_namespace.c:702) [ 10.478154][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 10.478270][ T12] ? process_one_work (kernel/workqueue.c:3290 (discriminator 2)) [ 10.478394][ T12] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 10.478512][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.478687][ T12] process_one_work (kernel/workqueue.c:3314) [ 10.478810][ T12] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4)) [ 10.478928][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.479049][ T12] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478) [ 10.479171][ T12] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3)) [ 10.479288][ T12] kthread (kernel/kthread.c:436) [ 10.479382][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.479533][ T12] ? kthread_affine_node (kernel/kthread.c:378) [ 10.479705][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 10.479823][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 10.479974][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 10.480095][ T12] ? kthread_affine_node (kernel/kthread.c:378) [ 10.480214][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 10.483809][ T12] ------------[ cut here ]------------ | [ 10.483934][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12 | [ 10.484166][ T12] Modules linked in: netdevsim psample | [ 10.484570][ T12] Tainted: [W]=WARN [ 10.484669][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.484820][ T12] Workqueue: netns cleanup_net [ 10.484946][ T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.485102][ T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff All code ======== 0: 89 fa mov %edi,%edx 2: 48 c1 ea 03 shr $0x3,%rdx 6: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx a: 48 89 f8 mov %rdi,%rax d: 83 e0 07 and $0x7,%eax 10: 83 c0 03 add $0x3,%eax 13: 38 d0 cmp %dl,%al 15: 7c 04 jl 0x1b 17: 84 d2 test %dl,%dl 19: 75 79 jne 0x94 1b: 48 8b 44 24 58 mov 0x58(%rsp),%rax 20: 44 8b 48 08 mov 0x8(%rax),%r9d 24: e9 42 ff ff ff jmp 0xffffffffffffff6b 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 48 89 de mov %rbx,%rsi 35: 31 ff xor %edi,%edi 37: e8 e8 b2 f0 ff call 0xfffffffffff0b324 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: 48 89 de mov %rbx,%rsi b: 31 ff xor %edi,%edi d: e8 e8 b2 f0 ff call 0xfffffffffff0b2fa 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.485531][ T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286 [ 10.485686][ T12] RAX: 00000000ffffffa6 RBX: ff110000104f31c0 RCX: 1ff4000000018eed [ 10.485864][ T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000104f327c [ 10.486038][ T12] RBP: ff1100000ea24000 R08: 1fe220000209e651 R09: ff11000001aed1d0 [ 10.486214][ T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff [ 10.486391][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 10.486566][ T12] FS: 0000000000000000(0000) GS:ff110000bd6c7000(0000) knlGS:0000000000000000 [ 10.486775][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.486922][ T12] CR2: 00007fc935cb1574 CR3: 000000006c34d004 CR4: 0000000000771ef0 [ 10.487101][ T12] PKRU: 55555554 [ 10.487190][ T12] Call Trace: [ 10.487283][ T12] [ 10.487347][ T12] unregister_netdevice_many_notify (net/core/dev.c:12439) [ 10.487516][ T12] ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3)) [ 10.487742][ T12] ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686) [ 10.487864][ T12] ? ipmr_free_table (net/ipv4/ipmr.c:453) [ 10.487984][ T12] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 10.488104][ T12] ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1)) [ 10.488224][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 10.488344][ T12] ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248) [ 10.488472][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 10.488587][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.488792][ T12] cleanup_net (net/core/net_namespace.c:702) [ 10.488956][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 10.489075][ T12] ? process_one_work (kernel/workqueue.c:3290 (discriminator 2)) [ 10.489195][ T12] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 10.489313][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.489442][ T12] process_one_work (kernel/workqueue.c:3314) [ 10.489563][ T12] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4)) [ 10.489733][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.489858][ T12] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478) [ 10.489981][ T12] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3)) [ 10.490101][ T12] kthread (kernel/kthread.c:436) [ 10.490195][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.490342][ T12] ? kthread_affine_node (kernel/kthread.c:378) [ 10.490467][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 10.490592][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 10.490787][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 10.490906][ T12] ? kthread_affine_node (kernel/kthread.c:378) [ 10.491026][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 10.493422][ T12] ------------[ cut here ]------------ | [ 10.493589][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12 | [ 10.493887][ T12] Modules linked in: netdevsim psample | [ 10.494383][ T12] Tainted: [W]=WARN [ 10.494519][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.494725][ T12] Workqueue: netns cleanup_net [ 10.494898][ T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.495101][ T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff All code ======== 0: 89 fa mov %edi,%edx 2: 48 c1 ea 03 shr $0x3,%rdx 6: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx a: 48 89 f8 mov %rdi,%rax d: 83 e0 07 and $0x7,%eax 10: 83 c0 03 add $0x3,%eax 13: 38 d0 cmp %dl,%al 15: 7c 04 jl 0x1b 17: 84 d2 test %dl,%dl 19: 75 79 jne 0x94 1b: 48 8b 44 24 58 mov 0x58(%rsp),%rax 20: 44 8b 48 08 mov 0x8(%rax),%r9d 24: e9 42 ff ff ff jmp 0xffffffffffffff6b 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 48 89 de mov %rbx,%rsi 35: 31 ff xor %edi,%edi 37: e8 e8 b2 f0 ff call 0xfffffffffff0b324 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: 48 89 de mov %rbx,%rsi b: 31 ff xor %edi,%edi d: e8 e8 b2 f0 ff call 0xfffffffffff0b2fa 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.495572][ T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286 [ 10.495793][ T12] RAX: 00000000ffffffa6 RBX: ff11000009331540 RCX: 1ff4000000018eed [ 10.496021][ T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000093315fc [ 10.496243][ T12] RBP: ff1100000e9d9000 R08: 1fe22000012662c1 R09: ff11000001aed1d0 [ 10.496472][ T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff [ 10.496708][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 10.496945][ T12] FS: 0000000000000000(0000) GS:ff110000bd7c7000(0000) knlGS:0000000000000000 [ 10.497198][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.497400][ T12] CR2: 0000000000479648 CR3: 000000006c34d005 CR4: 0000000000771ef0 [ 10.497623][ T12] PKRU: 55555554 [ 10.497769][ T12] Call Trace: [ 10.497905][ T12] [ 10.498016][ T12] unregister_netdevice_many_notify (net/core/dev.c:12439) [ 10.498214][ T12] ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3)) [ 10.498415][ T12] ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686) [ 10.498594][ T12] ? ipmr_free_table (net/ipv4/ipmr.c:453) [ 10.498774][ T12] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 10.498938][ T12] ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1)) [ 10.499125][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 10.499295][ T12] ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248) [ 10.499472][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 10.499695][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.499865][ T12] cleanup_net (net/core/net_namespace.c:702) [ 10.500031][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 10.500194][ T12] ? process_one_work (kernel/workqueue.c:3290 (discriminator 2)) [ 10.500367][ T12] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 10.500532][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.500714][ T12] process_one_work (kernel/workqueue.c:3314) [ 10.500883][ T12] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4)) [ 10.501046][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.501215][ T12] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478) [ 10.501391][ T12] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3)) [ 10.501558][ T12] kthread (kernel/kthread.c:436) [ 10.501713][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.501911][ T12] ? kthread_affine_node (kernel/kthread.c:378) [ 10.502075][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 10.502241][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 10.502443][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 10.502608][ T12] ? kthread_affine_node (kernel/kthread.c:378) [ 10.502799][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 10.505245][ T12] ------------[ cut here ]------------ | [ 10.505413][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12 | [ 10.505703][ T12] Modules linked in: netdevsim psample | [ 10.506245][ T12] Tainted: [W]=WARN [ 10.506386][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.506589][ T12] Workqueue: netns cleanup_net [ 10.506772][ T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.506970][ T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff All code ======== 0: 89 fa mov %edi,%edx 2: 48 c1 ea 03 shr $0x3,%rdx 6: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx a: 48 89 f8 mov %rdi,%rax d: 83 e0 07 and $0x7,%eax 10: 83 c0 03 add $0x3,%eax 13: 38 d0 cmp %dl,%al 15: 7c 04 jl 0x1b 17: 84 d2 test %dl,%dl 19: 75 79 jne 0x94 1b: 48 8b 44 24 58 mov 0x58(%rsp),%rax 20: 44 8b 48 08 mov 0x8(%rax),%r9d 24: e9 42 ff ff ff jmp 0xffffffffffffff6b 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 48 89 de mov %rbx,%rsi 35: 31 ff xor %edi,%edi 37: e8 e8 b2 f0 ff call 0xfffffffffff0b324 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: 48 89 de mov %rbx,%rsi b: 31 ff xor %edi,%edi d: e8 e8 b2 f0 ff call 0xfffffffffff0b2fa 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.507448][ T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286 [ 10.507652][ T12] RAX: 00000000ffffffa6 RBX: ff11000009331380 RCX: 1ff4000000018eed [ 10.507872][ T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000933143c [ 10.508093][ T12] RBP: ff1100000eae9000 R08: 1fe2200001266289 R09: ff11000001aed1d0 [ 10.508312][ T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff [ 10.508543][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 10.508777][ T12] FS: 0000000000000000(0000) GS:ff110000bd7c7000(0000) knlGS:0000000000000000 [ 10.509031][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.509226][ T12] CR2: 0000000000479648 CR3: 000000006c34d005 CR4: 0000000000771ef0 [ 10.509456][ T12] PKRU: 55555554 [ 10.509590][ T12] Call Trace: [ 10.509737][ T12] [ 10.509844][ T12] unregister_netdevice_many_notify (net/core/dev.c:12439) [ 10.510042][ T12] ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3)) [ 10.510237][ T12] ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686) [ 10.510413][ T12] ? ipmr_free_table (net/ipv4/ipmr.c:453) [ 10.510578][ T12] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 10.510754][ T12] ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1)) [ 10.510919][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 10.511085][ T12] ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248) [ 10.511252][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 10.511422][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.511592][ T12] cleanup_net (net/core/net_namespace.c:702) [ 10.511772][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 10.511934][ T12] ? process_one_work (kernel/workqueue.c:3290 (discriminator 2)) [ 10.512099][ T12] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 10.512264][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.512440][ T12] process_one_work (kernel/workqueue.c:3314) [ 10.512611][ T12] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4)) [ 10.512794][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.512965][ T12] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478) [ 10.513135][ T12] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3)) [ 10.513300][ T12] kthread (kernel/kthread.c:436) [ 10.513445][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.513650][ T12] ? kthread_affine_node (kernel/kthread.c:378) [ 10.513816][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 10.513984][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 10.514179][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 10.514343][ T12] ? kthread_affine_node (kernel/kthread.c:378) [ 10.514517][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 10.516952][ T12] ------------[ cut here ]------------ | [ 10.517111][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12 | [ 10.517397][ T12] Modules linked in: netdevsim psample | [ 10.518800][ T12] Tainted: [W]=WARN [ 10.519378][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.519679][ T12] Workqueue: netns cleanup_net [ 10.519895][ T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.520151][ T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff All code ======== 0: 89 fa mov %edi,%edx 2: 48 c1 ea 03 shr $0x3,%rdx 6: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx a: 48 89 f8 mov %rdi,%rax d: 83 e0 07 and $0x7,%eax 10: 83 c0 03 add $0x3,%eax 13: 38 d0 cmp %dl,%al 15: 7c 04 jl 0x1b 17: 84 d2 test %dl,%dl 19: 75 79 jne 0x94 1b: 48 8b 44 24 58 mov 0x58(%rsp),%rax 20: 44 8b 48 08 mov 0x8(%rax),%r9d 24: e9 42 ff ff ff jmp 0xffffffffffffff6b 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 48 89 de mov %rbx,%rsi 35: 31 ff xor %edi,%edi 37: e8 e8 b2 f0 ff call 0xfffffffffff0b324 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: 48 89 de mov %rbx,%rsi b: 31 ff xor %edi,%edi d: e8 e8 b2 f0 ff call 0xfffffffffff0b2fa 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.520685][ T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286 [ 10.520923][ T12] RAX: 00000000ffffffa6 RBX: ff110000104f38c0 RCX: 1ff4000000018eed [ 10.521187][ T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000104f397c [ 10.521459][ T12] RBP: ff11000010249000 R08: 1fe220000209e731 R09: ff11000001aed1d0 [ 10.521741][ T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff [ 10.522009][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 10.522275][ T12] FS: 0000000000000000(0000) GS:ff110000bd7c7000(0000) knlGS:0000000000000000 [ 10.522580][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.522837][ T12] CR2: 0000000000479648 CR3: 000000006c34d005 CR4: 0000000000771ef0 [ 10.523103][ T12] PKRU: 55555554 [ 10.523280][ T12] Call Trace: [ 10.523467][ T12] [ 10.523664][ T12] unregister_netdevice_many_notify (net/core/dev.c:12439) [ 10.523948][ T12] ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3)) [ 10.524138][ T12] ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686) [ 10.524302][ T12] ? ipmr_free_table (net/ipv4/ipmr.c:453) [ 10.524483][ T12] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 10.524660][ T12] ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1)) [ 10.524826][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 10.524994][ T12] ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248) [ 10.525162][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 10.525326][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.525499][ T12] cleanup_net (net/core/net_namespace.c:702) [ 10.525682][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 10.525848][ T12] ? process_one_work (kernel/workqueue.c:3290 (discriminator 2)) [ 10.526023][ T12] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 10.526191][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.526368][ T12] process_one_work (kernel/workqueue.c:3314) [ 10.526537][ T12] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4)) [ 10.526714][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.526885][ T12] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478) [ 10.527059][ T12] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3)) [ 10.527224][ T12] kthread (kernel/kthread.c:436) [ 10.527368][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.527563][ T12] ? kthread_affine_node (kernel/kthread.c:378) [ 10.527743][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 10.527908][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 10.528102][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 10.528270][ T12] ? kthread_affine_node (kernel/kthread.c:378) [ 10.528445][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 10.538566][ T190] ------------[ cut here ]------------ | [ 10.538838][ T190] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/190 | [ 10.539172][ T190] Modules linked in: netdevsim psample | [ 10.539749][ T190] Tainted: [W]=WARN [ 10.539873][ T190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.540079][ T190] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.540291][ T190] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff All code ======== 0: 89 fa mov %edi,%edx 2: 48 c1 ea 03 shr $0x3,%rdx 6: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx a: 48 89 f8 mov %rdi,%rax d: 83 e0 07 and $0x7,%eax 10: 83 c0 03 add $0x3,%eax 13: 38 d0 cmp %dl,%al 15: 7c 04 jl 0x1b 17: 84 d2 test %dl,%dl 19: 75 79 jne 0x94 1b: 48 8b 44 24 58 mov 0x58(%rsp),%rax 20: 44 8b 48 08 mov 0x8(%rax),%r9d 24: e9 42 ff ff ff jmp 0xffffffffffffff6b 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 48 89 de mov %rbx,%rsi 35: 31 ff xor %edi,%edi 37: e8 e8 b2 f0 ff call 0xfffffffffff0b324 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: 48 89 de mov %rbx,%rsi b: 31 ff xor %edi,%edi d: e8 e8 b2 f0 ff call 0xfffffffffff0b2fa 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.540905][ T190] RSP: 0018:ffa00000008e7500 EFLAGS: 00010286 [ 10.541116][ T190] RAX: 00000000ffffffa6 RBX: ff11000009919c40 RCX: 1ff400000011ce66 [ 10.541370][ T190] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009919cfc [ 10.541617][ T190] RBP: ff1100000f5a2000 R08: 1fe22000013233a1 R09: ff11000009b82f48 [ 10.541869][ T190] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff [ 10.542116][ T190] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f5a2000 [ 10.542373][ T190] FS: 00007f8e73610400(0000) GS:ff110000bd847000(0000) knlGS:0000000000000000 [ 10.542667][ T190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.542877][ T190] CR2: 00007f474645c2a0 CR3: 0000000004b10004 CR4: 0000000000771ef0 [ 10.543128][ T190] PKRU: 55555554 [ 10.543251][ T190] Call Trace: [ 10.543380][ T190] [ 10.543466][ T190] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 10.543640][ T190] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 10.543770][ T190] register_netdevice (net/core/dev.c:11488) [ 10.543941][ T190] ? unregister_netdevice_queue (./include/linux/list.h:162) [ 10.544152][ T190] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim [ 10.544371][ T190] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim [ 10.544539][ T190] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim [ 10.544764][ T190] ? add_timer_on (kernel/time/timer.c:925 (discriminator 5)) [ 10.544932][ T190] ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim [ 10.545143][ T190] ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2)) [ 10.545309][ T190] ? static_obj (kernel/locking/lockdep.c:858) [ 10.545441][ T190] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 10.545612][ T190] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim [ 10.545828][ T190] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim [ 10.545998][ T190] ? driver_sysfs_add (drivers/base/dd.c:495) [ 10.546165][ T190] call_driver_probe (drivers/base/dd.c:629) [ 10.546332][ T190] really_probe (drivers/base/dd.c:709) [ 10.546505][ T190] ? driver_probe_device (drivers/base/dd.c:135) [ 10.546677][ T190] __driver_probe_device (drivers/base/dd.c:871) [ 10.546846][ T190] driver_probe_device (drivers/base/dd.c:901) [ 10.547013][ T190] __device_attach_driver (drivers/base/dd.c:1029) [ 10.547180][ T190] bus_for_each_drv (drivers/base/bus.c:500) [ 10.547348][ T190] ? bus_find_device_reverse (drivers/base/bus.c:442) [ 10.547524][ T190] __device_attach (drivers/base/dd.c:1101) [ 10.547694][ T190] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.547859][ T190] ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1)) [ 10.548067][ T190] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.548233][ T190] ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1)) [ 10.548406][ T190] device_initial_probe (drivers/base/dd.c:1156) [ 10.548571][ T190] bus_probe_device (drivers/base/bus.c:613) [ 10.548760][ T190] device_add (drivers/base/core.c:3706) [ 10.548928][ T190] ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3)) [ 10.549131][ T190] ? __init_waitqueue_head (kernel/sched/wait.c:12) [ 10.549295][ T190] ? pm_runtime_init (drivers/base/power/runtime.c:1859) [ 10.549469][ T190] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim [ 10.549681][ T190] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.549846][ T190] ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim [ 10.550052][ T190] ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2)) [ 10.550219][ T190] ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24) [ 10.550390][ T190] ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1)) [ 10.550554][ T190] kernfs_fop_write_iter (fs/kernfs/file.c:352) [ 10.550725][ T190] ? kernfs_ops (fs/kernfs/file.c:128) [ 10.550850][ T190] new_sync_write (fs/read_write.c:595) [ 10.551016][ T190] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.551179][ T190] ? new_sync_read (./include/linux/ioprio.h:41) [ 10.551344][ T190] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.551515][ T190] ? ksys_write (fs/read_write.c:740) [ 10.551689][ T190] vfs_write (fs/read_write.c:688) [ 10.551815][ T190] ksys_write (fs/read_write.c:740) [ 10.551940][ T190] ? __ia32_sys_read (fs/read_write.c:724) [ 10.552104][ T190] ? kernfs_fop_llseek (fs/kernfs/file.c:908) [ 10.552268][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.552440][ T190] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 10.552606][ T190] ? irq_exit_rcu (kernel/softirq.c:754) [ 10.552774][ T190] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.552978][ T190] RIP: 0033:0x7f8e7379808e [ 10.553149][ T190] 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 [ 10.553742][ T190] RSP: 002b:00007fff50377b20 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 10.553988][ T190] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f8e7379808e [ 10.554232][ T190] RDX: 0000000000000009 RSI: 000055fece4d4830 RDI: 0000000000000006 [ 10.554480][ T190] RBP: 00007fff50377b30 R08: 0000000000000000 R09: 0000000000000000 [ 10.554734][ T190] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f8e73610390 [ 10.554977][ T190] R13: 000055fece4d4830 R14: 0000000000000006 R15: 00007f8e7359d0d0 | [ 10.557924][ T12] ------------[ cut here ]------------ | [ 10.558096][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12 | [ 10.558388][ T12] Modules linked in: netdevsim psample | [ 10.558959][ T12] Tainted: [W]=WARN [ 10.559149][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.559402][ T12] Workqueue: netns cleanup_net [ 10.559650][ T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.559907][ T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff All code ======== 0: 89 fa mov %edi,%edx 2: 48 c1 ea 03 shr $0x3,%rdx 6: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx a: 48 89 f8 mov %rdi,%rax d: 83 e0 07 and $0x7,%eax 10: 83 c0 03 add $0x3,%eax 13: 38 d0 cmp %dl,%al 15: 7c 04 jl 0x1b 17: 84 d2 test %dl,%dl 19: 75 79 jne 0x94 1b: 48 8b 44 24 58 mov 0x58(%rsp),%rax 20: 44 8b 48 08 mov 0x8(%rax),%r9d 24: e9 42 ff ff ff jmp 0xffffffffffffff6b 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: ba 02 00 00 00 mov $0x2,%edx 32: 48 89 de mov %rbx,%rsi 35: 31 ff xor %edi,%edi 37: e8 e8 b2 f0 ff call 0xfffffffffff0b324 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: 48 89 de mov %rbx,%rsi b: 31 ff xor %edi,%edi d: e8 e8 b2 f0 ff call 0xfffffffffff0b2fa 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.560438][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286 [ 10.560699][ T12] RAX: 00000000ffffffa6 RBX: ff1100001048a3c0 RCX: 1ff4000000018ed5 [ 10.560969][ T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001048a47c [ 10.561241][ T12] RBP: ff1100000973c000 R08: 1fe2200002091491 R09: ff11000001aed1d0 [ 10.561527][ T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff [ 10.561815][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 10.562093][ T12] FS: 0000000000000000(0000) GS:ff110000bd7c7000(0000) knlGS:0000000000000000 [ 10.562387][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.562588][ T12] CR2: 0000000000479648 CR3: 0000000004b10006 CR4: 0000000000771ef0 [ 10.562833][ T12] PKRU: 55555554 [ 10.562969][ T12] Call Trace: [ 10.563105][ T12] [ 10.563216][ T12] unregister_netdevice_many_notify (net/core/dev.c:12439) [ 10.563429][ T12] ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3)) [ 10.563645][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3)) [ 10.563821][ T12] default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089) [ 10.563992][ T12] ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7)) [ 10.564163][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3)) [ 10.564331][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 10.564513][ T12] ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252) [ 10.564699][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 10.564867][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.565039][ T12] cleanup_net (net/core/net_namespace.c:702) [ 10.565207][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 10.565386][ T12] ? process_one_work (kernel/workqueue.c:3290 (discriminator 2)) [ 10.565555][ T12] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 10.565737][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.565908][ T12] process_one_work (kernel/workqueue.c:3314) [ 10.566078][ T12] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4)) [ 10.566245][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.566426][ T12] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478) [ 10.566602][ T12] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3)) [ 10.566781][ T12] kthread (kernel/kthread.c:436) [ 10.566919][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.567117][ T12] ? kthread_affine_node (kernel/kthread.c:378) [ 10.567288][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 10.567461][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 10.567673][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 10.567845][ T12] ? kthread_affine_node (kernel/kthread.c:378) Finger prints: rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:ip6_tnl_init_net rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:vti6_init_net rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:nsim_init_netdevsim:nsim_create rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:__ip_tunnel_create:ip_tunnel_init_net