====================================== | xx__-> [ 10.124824][ T185] ------------[ cut here ]------------ | [ 10.125053][ T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185 | [ 10.125359][ T185] Modules linked in: veth | [ 10.125834][ T185] Tainted: [W]=WARN [ 10.125942][ T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.126123][ T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.126319][ T185] 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 38 e4 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 38 e4 f0 ff call 0xfffffffffff0e474 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 38 e4 f0 ff call 0xfffffffffff0e44a 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.126834][ T185] RSP: 0018:ffa0000000906e30 EFLAGS: 00010286 [ 10.127038][ T185] RAX: 00000000ffffffa6 RBX: ff11000004d4b1c0 RCX: 1ff4000000120d8c [ 10.127259][ T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004d4b278 [ 10.127615][ T185] RBP: ff110000084f1000 R08: 1fe22000009a9650 R09: ff1100000c070b80 [ 10.127876][ T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff [ 10.128088][ T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b85fc00 [ 10.128308][ T185] FS: 00007fb438b6c840(0000) GS:ff11000092930000(0000) knlGS:0000000000000000 [ 10.128629][ T185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.128814][ T185] CR2: 0000556cbaf17d30 CR3: 000000000c6aa002 CR4: 0000000000771ef0 [ 10.129030][ T185] PKRU: 55555554 [ 10.129136][ T185] Call Trace: [ 10.129250][ T185] [ 10.129323][ T185] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1)) [ 10.129531][ T185] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 10.129675][ T185] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 10.129783][ T185] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 10.129931][ T185] __dev_notify_flags (net/core/dev.c:9787) [ 10.130073][ T185] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 10.130215][ T185] ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164) [ 10.130424][ T185] ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164) [ 10.130567][ T185] ? netif_change_name (net/core/dev.c:1495) [ 10.130710][ T185] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37)) [ 10.130885][ T185] ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2)) [ 10.131031][ T185] rtnl_configure_link (net/core/rtnetlink.c:3670) [ 10.131174][ T185] veth_newlink (drivers/net/veth.c:1871) veth [ 10.131328][ T185] ? veth_poll_controller (drivers/net/veth.c:1470) veth [ 10.131575][ T185] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.131719][ T185] ? kasan_save_track (mm/kasan/common.c:78) [ 10.131859][ T185] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.132071][ T185] ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832) [ 10.132248][ T185] ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7)) [ 10.132399][ T185] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 10.132602][ T185] ? alloc_netdev_mqs (net/core/dev.c:12133) [ 10.132830][ T185] ? rtnl_create_link (net/core/rtnetlink.c:3720) [ 10.133060][ T185] rtnl_newlink_create (net/core/rtnetlink.c:3904) [ 10.133260][ T185] ? rtnl_create_link (net/core/rtnetlink.c:3691) [ 10.133409][ T185] ? __dev_get_by_name (net/core/dev.c:883) [ 10.133553][ T185] ? rtnl_dev_get (net/core/rtnetlink.c:3478) [ 10.133700][ T185] __rtnl_newlink (net/core/rtnetlink.c:4035) [ 10.133845][ T185] rtnl_newlink (net/core/rtnetlink.c:4150) [ 10.133988][ T185] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.134131][ T185] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.134279][ T185] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.134429][ T185] ? mark_usage (kernel/locking/lockdep.c:4674) [ 10.134570][ T185] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.134718][ T185] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.134858][ T185] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.134998][ T185] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 10.135139][ T185] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 10.135286][ T185] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.135471][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.135686][ T185] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.135897][ T185] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.136112][ T185] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 10.136327][ T185] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.136555][ T185] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.136720][ T185] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 10.136863][ T185] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 10.137007][ T185] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.137150][ T185] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.137299][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.137448][ T185] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 10.137589][ T185] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 10.137733][ T185] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 10.137877][ T185] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 10.138021][ T185] ? copy_msghdr_from_user (net/socket.c:2635) [ 10.138161][ T185] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349) [ 10.138342][ T185] ? move_addr_to_kernel (net/socket.c:258) [ 10.138496][ T185] ___sys_sendmsg (net/socket.c:2752) [ 10.138639][ T185] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.138783][ T185] ? copy_msghdr_from_user (net/socket.c:2603) [ 10.138938][ T185] __sys_sendmsg (net/socket.c:2784) [ 10.139078][ T185] ? __sys_sendmsg_sock (net/socket.c:2765) [ 10.139226][ T185] ? down_write_nested (kernel/locking/rwsem.c:1753) [ 10.139371][ T185] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.139514][ T185] ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79) [ 10.139656][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.139812][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.140000][ T185] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 10.140144][ T185] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 10.140303][ T185] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 10.140452][ T185] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.140632][ T185] RIP: 0033:0x7fb438da608e [ 10.140786][ T185] 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 [ 10.141299][ T185] RSP: 002b:00007fff39fb28f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.141527][ T185] RAX: ffffffffffffffda RBX: 00007fff39fb3088 RCX: 00007fb438da608e [ 10.141742][ T185] RDX: 0000000000000000 RSI: 00007fff39fb29a0 RDI: 0000000000000005 [ 10.141952][ T185] RBP: 00007fff39fb2900 R08: 0000000000000000 R09: 0000000000000000 [ 10.142165][ T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c89b [ 10.142394][ T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff39fb3060 | [ 10.151688][ T185] ------------[ cut here ]------------ | [ 10.151855][ T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185 | [ 10.152102][ T185] Modules linked in: veth | [ 10.152519][ T185] Tainted: [W]=WARN [ 10.152629][ T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.152803][ T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.152993][ T185] 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 38 e4 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 38 e4 f0 ff call 0xfffffffffff0e474 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 38 e4 f0 ff call 0xfffffffffff0e44a 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.153511][ T185] RSP: 0018:ffa00000009071b0 EFLAGS: 00010286 [ 10.153691][ T185] RAX: 00000000ffffffa6 RBX: ff1100000568da80 RCX: 1ff4000000120dfc [ 10.153903][ T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000568db38 [ 10.154109][ T185] RBP: ff110000084d1000 R08: 1fe2200000ad1b68 R09: ff1100000c070b80 [ 10.154322][ T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff [ 10.154609][ T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 10.154816][ T185] FS: 00007fb438b6c840(0000) GS:ff11000092930000(0000) knlGS:0000000000000000 [ 10.155055][ T185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.155237][ T185] CR2: 0000556cbaf17d30 CR3: 000000000c6aa002 CR4: 0000000000771ef0 [ 10.155513][ T185] PKRU: 55555554 [ 10.155681][ T185] Call Trace: [ 10.155789][ T185] [ 10.155864][ T185] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 10.156006][ T185] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 10.156111][ T185] __dev_notify_flags (net/core/dev.c:9787) [ 10.156255][ T185] ? netif_change_name (net/core/dev.c:1495) [ 10.156459][ T185] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 10.156598][ T185] ? alloc_netdev_mqs (net/core/dev.c:12133) [ 10.156745][ T185] rtnl_configure_link (net/core/rtnetlink.c:3670) [ 10.156884][ T185] rtnl_newlink_create (net/core/rtnetlink.c:3914) [ 10.157027][ T185] ? rtnl_create_link (net/core/rtnetlink.c:3691) [ 10.157167][ T185] ? __dev_get_by_name (net/core/dev.c:883) [ 10.157307][ T185] ? rtnl_dev_get (net/core/rtnetlink.c:3478) [ 10.157510][ T185] __rtnl_newlink (net/core/rtnetlink.c:4035) [ 10.157652][ T185] rtnl_newlink (net/core/rtnetlink.c:4150) [ 10.157797][ T185] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.157938][ T185] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.158083][ T185] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.158234][ T185] ? mark_usage (kernel/locking/lockdep.c:4674) [ 10.158446][ T185] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.158588][ T185] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.158728][ T185] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.158864][ T185] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 10.159004][ T185] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 10.159192][ T185] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.159459][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.159671][ T185] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.159859][ T185] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.160000][ T185] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 10.160138][ T185] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.160283][ T185] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.160488][ T185] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 10.160629][ T185] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 10.160768][ T185] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.160905][ T185] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.161041][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.161178][ T185] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 10.161321][ T185] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 10.161520][ T185] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 10.161666][ T185] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 10.161804][ T185] ? copy_msghdr_from_user (net/socket.c:2635) [ 10.161944][ T185] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349) [ 10.162114][ T185] ? move_addr_to_kernel (net/socket.c:258) [ 10.162262][ T185] ___sys_sendmsg (net/socket.c:2752) [ 10.162457][ T185] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.162593][ T185] ? copy_msghdr_from_user (net/socket.c:2603) [ 10.162747][ T185] __sys_sendmsg (net/socket.c:2784) [ 10.162882][ T185] ? __sys_sendmsg_sock (net/socket.c:2765) [ 10.163018][ T185] ? down_write_nested (kernel/locking/rwsem.c:1753) [ 10.163155][ T185] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.163306][ T185] ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79) [ 10.163558][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.163697][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.163902][ T185] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 10.164076][ T185] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 10.164217][ T185] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 10.164423][ T185] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.164591][ T185] RIP: 0033:0x7fb438da608e [ 10.164736][ T185] 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 [ 10.165231][ T185] RSP: 002b:00007fff39fb28f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.165501][ T185] RAX: ffffffffffffffda RBX: 00007fff39fb3088 RCX: 00007fb438da608e [ 10.165707][ T185] RDX: 0000000000000000 RSI: 00007fff39fb29a0 RDI: 0000000000000005 [ 10.165910][ T185] RBP: 00007fff39fb2900 R08: 0000000000000000 R09: 0000000000000000 [ 10.166117][ T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c89b [ 10.166329][ T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff39fb3060 | [ 10.330738][ T192] ------------[ cut here ]------------ | [ 10.331008][ T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/192 | [ 10.331289][ T192] Modules linked in: veth | [ 10.331766][ T192] Tainted: [W]=WARN [ 10.331878][ T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.332058][ T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.332326][ T192] 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 38 e4 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 38 e4 f0 ff call 0xfffffffffff0e474 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 38 e4 f0 ff call 0xfffffffffff0e44a 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.332948][ T192] RSP: 0018:ffa0000000886e30 EFLAGS: 00010286 [ 10.333141][ T192] RAX: 00000000ffffffa6 RBX: ff1100000ad06040 RCX: 1ff4000000110d8c [ 10.333429][ T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ad060f8 [ 10.333730][ T192] RBP: ff110000050a1000 R08: 1fe22000015a0c20 R09: ff1100000cc70b80 [ 10.333946][ T192] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff [ 10.334166][ T192] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000093a1580 [ 10.334455][ T192] FS: 00007f569f858840(0000) GS:ff11000092830000(0000) knlGS:0000000000000000 [ 10.334721][ T192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.334903][ T192] CR2: 0000556cbadcfa80 CR3: 000000000df64001 CR4: 0000000000771ef0 [ 10.335121][ T192] PKRU: 55555554 [ 10.335236][ T192] Call Trace: [ 10.335344][ T192] [ 10.335425][ T192] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 10.335576][ T192] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 10.335690][ T192] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1)) [ 10.335874][ T192] __dev_notify_flags (net/core/dev.c:9787) [ 10.336020][ T192] ? netif_change_name (net/core/dev.c:1495) [ 10.336161][ T192] ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164) [ 10.336466][ T192] ? lockdep_hardirqs_off (kernel/locking/lockdep.c:4511) [ 10.336609][ T192] ? add_timer_on (kernel/time/timer.c:925 (discriminator 5)) [ 10.336755][ T192] rtnl_configure_link (net/core/rtnetlink.c:3670) [ 10.336894][ T192] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 10.337034][ T192] ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6)) [ 10.337177][ T192] veth_newlink (drivers/net/veth.c:1871) veth [ 10.337327][ T192] ? veth_poll_controller (drivers/net/veth.c:1470) veth [ 10.337505][ T192] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.337647][ T192] ? kasan_save_track (mm/kasan/common.c:78) [ 10.337787][ T192] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.337943][ T192] ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832) [ 10.338086][ T192] ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7)) [ 10.338232][ T192] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 10.338377][ T192] ? alloc_netdev_mqs (net/core/dev.c:12133) [ 10.338519][ T192] ? rtnl_create_link (net/core/rtnetlink.c:3720) [ 10.338662][ T192] rtnl_newlink_create (net/core/rtnetlink.c:3904) [ 10.338803][ T192] ? rtnl_create_link (net/core/rtnetlink.c:3691) [ 10.338942][ T192] ? __dev_get_by_name (net/core/dev.c:883) [ 10.339083][ T192] ? rtnl_dev_get (net/core/rtnetlink.c:3478) [ 10.339236][ T192] __rtnl_newlink (net/core/rtnetlink.c:4035) [ 10.339388][ T192] rtnl_newlink (net/core/rtnetlink.c:4150) [ 10.339528][ T192] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.339668][ T192] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.339808][ T192] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.339946][ T192] ? mark_usage (kernel/locking/lockdep.c:4674) [ 10.340106][ T192] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.340257][ T192] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.340403][ T192] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.340543][ T192] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 10.340683][ T192] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 10.340841][ T192] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.340985][ T192] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.341128][ T192] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.341276][ T192] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.341423][ T192] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 10.341566][ T192] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.341709][ T192] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.341856][ T192] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 10.341994][ T192] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 10.342136][ T192] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.342284][ T192] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.342430][ T192] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.342590][ T192] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 10.342739][ T192] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 10.342881][ T192] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 10.343025][ T192] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 10.343167][ T192] ? copy_msghdr_from_user (net/socket.c:2635) [ 10.343320][ T192] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349) [ 10.343501][ T192] ? move_addr_to_kernel (net/socket.c:258) [ 10.343645][ T192] ___sys_sendmsg (net/socket.c:2752) [ 10.343784][ T192] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.343923][ T192] ? copy_msghdr_from_user (net/socket.c:2603) [ 10.344072][ T192] ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2)) [ 10.344215][ T192] __sys_sendmsg (net/socket.c:2784) [ 10.344365][ T192] ? __sys_sendmsg_sock (net/socket.c:2765) [ 10.344513][ T192] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.344653][ T192] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.344791][ T192] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 10.344930][ T192] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 10.345072][ T192] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 10.345219][ T192] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.345420][ T192] RIP: 0033:0x7f569fa9208e [ 10.345584][ T192] 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 [ 10.346126][ T192] RSP: 002b:00007fff77db5560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.346347][ T192] RAX: ffffffffffffffda RBX: 00007fff77db5cf8 RCX: 00007f569fa9208e [ 10.346565][ T192] RDX: 0000000000000000 RSI: 00007fff77db5610 RDI: 0000000000000005 [ 10.346781][ T192] RBP: 00007fff77db5570 R08: 0000000000000000 R09: 0000000000000000 [ 10.347020][ T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c89b [ 10.347237][ T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff77db5cd0 | [ 10.362826][ T192] ------------[ cut here ]------------ | [ 10.363003][ T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/192 | [ 10.363316][ T192] Modules linked in: veth | [ 10.363937][ T192] Tainted: [W]=WARN [ 10.364043][ T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.364216][ T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.364457][ T192] 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 38 e4 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 38 e4 f0 ff call 0xfffffffffff0e474 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 38 e4 f0 ff call 0xfffffffffff0e44a 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.364948][ T192] RSP: 0018:ffa00000008871b0 EFLAGS: 00010286 [ 10.365123][ T192] RAX: 00000000ffffffa6 RBX: ff1100000900ec80 RCX: 1ff4000000110dfc [ 10.365336][ T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000900ed38 [ 10.365552][ T192] RBP: ff110000024d4000 R08: 1fe2200001201da8 R09: ff1100000cc70b80 [ 10.365759][ T192] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff [ 10.365963][ T192] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 10.366171][ T192] FS: 00007f569f858840(0000) GS:ff11000092830000(0000) knlGS:0000000000000000 [ 10.366429][ T192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.366607][ T192] CR2: 0000556cbadcfa80 CR3: 000000000df64001 CR4: 0000000000771ef0 [ 10.366812][ T192] PKRU: 55555554 [ 10.366916][ T192] Call Trace: [ 10.367020][ T192] [ 10.367107][ T192] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 10.367261][ T192] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 10.367371][ T192] __dev_notify_flags (net/core/dev.c:9787) [ 10.367512][ T192] ? netif_change_name (net/core/dev.c:1495) [ 10.367654][ T192] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 10.367793][ T192] ? alloc_netdev_mqs (net/core/dev.c:12133) [ 10.367932][ T192] rtnl_configure_link (net/core/rtnetlink.c:3670) [ 10.368070][ T192] rtnl_newlink_create (net/core/rtnetlink.c:3914) [ 10.368211][ T192] ? rtnl_create_link (net/core/rtnetlink.c:3691) [ 10.368398][ T192] ? __dev_get_by_name (net/core/dev.c:883) [ 10.368535][ T192] ? rtnl_dev_get (net/core/rtnetlink.c:3478) [ 10.368681][ T192] __rtnl_newlink (net/core/rtnetlink.c:4035) [ 10.368822][ T192] rtnl_newlink (net/core/rtnetlink.c:4150) [ 10.368961][ T192] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.369099][ T192] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.369242][ T192] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.369386][ T192] ? mark_usage (kernel/locking/lockdep.c:4674) [ 10.369524][ T192] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.369667][ T192] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.369808][ T192] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.369947][ T192] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 10.370085][ T192] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 10.370226][ T192] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.370368][ T192] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.370507][ T192] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.370643][ T192] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.370782][ T192] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 10.370921][ T192] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.371059][ T192] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.371202][ T192] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 10.371345][ T192] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 10.371490][ T192] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.371628][ T192] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.371766][ T192] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.371908][ T192] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 10.372046][ T192] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 10.372189][ T192] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 10.372339][ T192] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 10.372485][ T192] ? copy_msghdr_from_user (net/socket.c:2635) [ 10.372623][ T192] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349) [ 10.372796][ T192] ? move_addr_to_kernel (net/socket.c:258) [ 10.372938][ T192] ___sys_sendmsg (net/socket.c:2752) [ 10.373075][ T192] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.373213][ T192] ? copy_msghdr_from_user (net/socket.c:2603) [ 10.373372][ T192] ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2)) [ 10.373513][ T192] __sys_sendmsg (net/socket.c:2784) [ 10.373652][ T192] ? __sys_sendmsg_sock (net/socket.c:2765) [ 10.373809][ T192] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.373946][ T192] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.374087][ T192] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 10.374231][ T192] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 10.374376][ T192] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 10.374515][ T192] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.374687][ T192] RIP: 0033:0x7f569fa9208e [ 10.374832][ T192] 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 [ 10.375328][ T192] RSP: 002b:00007fff77db5560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.375540][ T192] RAX: ffffffffffffffda RBX: 00007fff77db5cf8 RCX: 00007f569fa9208e [ 10.375747][ T192] RDX: 0000000000000000 RSI: 00007fff77db5610 RDI: 0000000000000005 [ 10.375954][ T192] RBP: 00007fff77db5570 R08: 0000000000000000 R09: 0000000000000000 [ 10.376160][ T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c89b [ 10.376376][ T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff77db5cd0 | [ 10.617130][ T211] ------------[ cut here ]------------ | [ 10.617335][ T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211 | [ 10.617697][ T211] Modules linked in: veth | [ 10.618293][ T211] Tainted: [W]=WARN [ 10.618408][ T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.618590][ T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.618784][ T211] 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 38 e4 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 38 e4 f0 ff call 0xfffffffffff0e474 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 38 e4 f0 ff call 0xfffffffffff0e44a 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.619313][ T211] RSP: 0018:ffa00000008f6e30 EFLAGS: 00010286 [ 10.619518][ T211] RAX: 00000000ffffffa6 RBX: ff11000005ef7700 RCX: 1ff400000011ed8c [ 10.619842][ T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005ef77b8 [ 10.620102][ T211] RBP: ff1100000c221000 R08: 1fe2200000bdeef8 R09: ff1100000c070b80 [ 10.620445][ T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff [ 10.620768][ T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009412a80 [ 10.621071][ T211] FS: 00007fb480436840(0000) GS:ff11000092930000(0000) knlGS:0000000000000000 [ 10.621333][ T211] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.621527][ T211] CR2: 0000556cbaf710b8 CR3: 000000000b839002 CR4: 0000000000771ef0 [ 10.621750][ T211] PKRU: 55555554 [ 10.621858][ T211] Call Trace: [ 10.621967][ T211] [ 10.622041][ T211] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.622192][ T211] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 10.622347][ T211] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 10.622466][ T211] ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 10.622617][ T211] __dev_notify_flags (net/core/dev.c:9787) [ 10.622760][ T211] ? ref_tracker_dir_print (lib/ref_tracker.c:200) [ 10.622902][ T211] ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324) [ 10.623042][ T211] ? netif_change_name (net/core/dev.c:1495) [ 10.623184][ T211] ? rtnl_newlink (net/core/rtnetlink.c:4150) [ 10.623332][ T211] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 10.623481][ T211] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 10.623627][ T211] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.623774][ T211] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.623917][ T211] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 10.624061][ T211] rtnl_configure_link (net/core/rtnetlink.c:3670) [ 10.624207][ T211] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 10.624366][ T211] ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6)) [ 10.624519][ T211] veth_newlink (drivers/net/veth.c:1871) veth [ 10.624679][ T211] ? veth_poll_controller (drivers/net/veth.c:1470) veth [ 10.624857][ T211] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.625001][ T211] ? kasan_save_track (mm/kasan/common.c:78) [ 10.625148][ T211] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.625314][ T211] ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832) [ 10.625566][ T211] ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7)) [ 10.625834][ T211] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 10.626011][ T211] ? alloc_netdev_mqs (net/core/dev.c:12133) [ 10.626206][ T211] ? rtnl_create_link (net/core/rtnetlink.c:3720) [ 10.626455][ T211] rtnl_newlink_create (net/core/rtnetlink.c:3904) [ 10.626675][ T211] ? rtnl_create_link (net/core/rtnetlink.c:3691) [ 10.626902][ T211] ? __dev_get_by_name (net/core/dev.c:883) [ 10.627128][ T211] ? rtnl_dev_get (net/core/rtnetlink.c:3478) [ 10.627511][ T211] __rtnl_newlink (net/core/rtnetlink.c:4035) [ 10.627746][ T211] rtnl_newlink (net/core/rtnetlink.c:4150) [ 10.627937][ T211] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.628087][ T211] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.628253][ T211] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.628474][ T211] ? mark_usage (kernel/locking/lockdep.c:4674) [ 10.628620][ T211] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.628769][ T211] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.628916][ T211] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.629060][ T211] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 10.629206][ T211] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 10.629426][ T211] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.629573][ T211] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.629719][ T211] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.629864][ T211] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.630010][ T211] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 10.630153][ T211] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.630303][ T211] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.630533][ T211] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 10.630682][ T211] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 10.630829][ T211] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.630976][ T211] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.631121][ T211] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.631272][ T211] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 10.631488][ T211] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 10.631633][ T211] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 10.631782][ T211] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 10.631926][ T211] ? copy_msghdr_from_user (net/socket.c:2635) [ 10.632071][ T211] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349) [ 10.632254][ T211] ? move_addr_to_kernel (net/socket.c:258) [ 10.632464][ T211] ___sys_sendmsg (net/socket.c:2752) [ 10.632610][ T211] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.632758][ T211] ? copy_msghdr_from_user (net/socket.c:2603) [ 10.632910][ T211] ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2)) [ 10.633057][ T211] __sys_sendmsg (net/socket.c:2784) [ 10.633200][ T211] ? __sys_sendmsg_sock (net/socket.c:2765) [ 10.633416][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.633561][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.633705][ T211] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 10.633850][ T211] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 10.633995][ T211] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 10.634138][ T211] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.634338][ T211] RIP: 0033:0x7fb48067008e [ 10.634562][ T211] 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 [ 10.635066][ T211] RSP: 002b:00007fff88ffc720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.635289][ T211] RAX: ffffffffffffffda RBX: 00007fff88ffceb8 RCX: 00007fb48067008e [ 10.635569][ T211] RDX: 0000000000000000 RSI: 00007fff88ffc7d0 RDI: 0000000000000005 [ 10.635784][ T211] RBP: 00007fff88ffc730 R08: 0000000000000000 R09: 0000000000000000 [ 10.635995][ T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c89b [ 10.636209][ T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff88ffce90 | [ 10.648051][ T211] ------------[ cut here ]------------ | [ 10.648240][ T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211 | [ 10.648554][ T211] Modules linked in: veth | [ 10.648967][ T211] Tainted: [W]=WARN [ 10.649078][ T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.649257][ T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.649445][ T211] 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 38 e4 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 38 e4 f0 ff call 0xfffffffffff0e474 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 38 e4 f0 ff call 0xfffffffffff0e44a 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.649937][ T211] RSP: 0018:ffa00000008f71b0 EFLAGS: 00010286 [ 10.650114][ T211] RAX: 00000000ffffffa6 RBX: ff11000009283000 RCX: 1ff400000011edfc [ 10.650328][ T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092830b8 [ 10.650541][ T211] RBP: ff1100000c5f4000 R08: 1fe2200001250618 R09: ff1100000c070b80 [ 10.650750][ T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff [ 10.650953][ T211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 10.651158][ T211] FS: 00007fb480436840(0000) GS:ff11000092930000(0000) knlGS:0000000000000000 [ 10.651414][ T211] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.651589][ T211] CR2: 0000556cbaf710b8 CR3: 000000000b839002 CR4: 0000000000771ef0 [ 10.651798][ T211] PKRU: 55555554 [ 10.651903][ T211] Call Trace: [ 10.652021][ T211] [ 10.652094][ T211] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 10.652245][ T211] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 10.652361][ T211] __dev_notify_flags (net/core/dev.c:9787) [ 10.652504][ T211] ? netif_change_name (net/core/dev.c:1495) [ 10.652643][ T211] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 10.652781][ T211] ? alloc_netdev_mqs (net/core/dev.c:12133) [ 10.652922][ T211] rtnl_configure_link (net/core/rtnetlink.c:3670) [ 10.653062][ T211] rtnl_newlink_create (net/core/rtnetlink.c:3914) [ 10.653206][ T211] ? rtnl_create_link (net/core/rtnetlink.c:3691) [ 10.653357][ T211] ? __dev_get_by_name (net/core/dev.c:883) [ 10.653495][ T211] ? rtnl_dev_get (net/core/rtnetlink.c:3478) [ 10.653642][ T211] __rtnl_newlink (net/core/rtnetlink.c:4035) [ 10.653784][ T211] rtnl_newlink (net/core/rtnetlink.c:4150) [ 10.653923][ T211] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.654065][ T211] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.654205][ T211] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.654350][ T211] ? mark_usage (kernel/locking/lockdep.c:4674) [ 10.654500][ T211] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.654649][ T211] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.654791][ T211] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.654931][ T211] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 10.655069][ T211] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 10.655211][ T211] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.655369][ T211] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.655513][ T211] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.655652][ T211] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.655792][ T211] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 10.655932][ T211] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.656072][ T211] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.656217][ T211] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 10.656382][ T211] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 10.656528][ T211] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.656670][ T211] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.656812][ T211] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.656953][ T211] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 10.657095][ T211] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 10.657239][ T211] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 10.657392][ T211] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 10.657533][ T211] ? copy_msghdr_from_user (net/socket.c:2635) [ 10.657675][ T211] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349) [ 10.657847][ T211] ? move_addr_to_kernel (net/socket.c:258) [ 10.657995][ T211] ___sys_sendmsg (net/socket.c:2752) [ 10.658135][ T211] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.658279][ T211] ? copy_msghdr_from_user (net/socket.c:2603) [ 10.658433][ T211] ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2)) [ 10.658579][ T211] __sys_sendmsg (net/socket.c:2784) [ 10.658719][ T211] ? __sys_sendmsg_sock (net/socket.c:2765) [ 10.658862][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.659001][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.659139][ T211] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 10.659283][ T211] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 10.659427][ T211] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 10.659566][ T211] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.659799][ T211] RIP: 0033:0x7fb48067008e [ 10.659968][ T211] 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 [ 10.660472][ T211] RSP: 002b:00007fff88ffc720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.660719][ T211] RAX: ffffffffffffffda RBX: 00007fff88ffceb8 RCX: 00007fb48067008e [ 10.660977][ T211] RDX: 0000000000000000 RSI: 00007fff88ffc7d0 RDI: 0000000000000005 [ 10.661290][ T211] RBP: 00007fff88ffc730 R08: 0000000000000000 R09: 0000000000000000 [ 10.661616][ T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c89b [ 10.661936][ T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff88ffce90 | [ 10.860200][ T217] ------------[ cut here ]------------ | [ 10.860427][ T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/217 | [ 10.860692][ T217] Modules linked in: veth | [ 10.861107][ T217] Tainted: [W]=WARN [ 10.861218][ T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.861416][ T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.861606][ T217] 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 38 e4 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 38 e4 f0 ff call 0xfffffffffff0e474 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 38 e4 f0 ff call 0xfffffffffff0e44a 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.862114][ T217] RSP: 0018:ffa00000004f6e30 EFLAGS: 00010286 [ 10.862362][ T217] RAX: 00000000ffffffa6 RBX: ff11000004d4a740 RCX: 1ff400000009ed8c [ 10.862629][ T217] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004d4a7f8 [ 10.862850][ T217] RBP: ff11000008859000 R08: 1fe22000009a9500 R09: ff11000009a15180 [ 10.863073][ T217] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff [ 10.863296][ T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ddb8e80 [ 10.863520][ T217] FS: 00007fdb13877840(0000) GS:ff110000927b0000(0000) knlGS:0000000000000000 [ 10.863776][ T217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.863956][ T217] CR2: 00007ffef96c6ff0 CR3: 000000000b935005 CR4: 0000000000771ef0 [ 10.864194][ T217] PKRU: 55555554 [ 10.864309][ T217] Call Trace: [ 10.864544][ T217] [ 10.864622][ T217] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.864776][ T217] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 10.864922][ T217] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 10.865030][ T217] ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 10.865173][ T217] __dev_notify_flags (net/core/dev.c:9787) [ 10.865323][ T217] ? ref_tracker_dir_print (lib/ref_tracker.c:200) [ 10.865531][ T217] ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324) [ 10.865748][ T217] ? netif_change_name (net/core/dev.c:1495) [ 10.865892][ T217] ? rtnl_newlink (net/core/rtnetlink.c:4150) [ 10.866033][ T217] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 10.866171][ T217] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 10.866324][ T217] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.866543][ T217] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.866686][ T217] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 10.866829][ T217] rtnl_configure_link (net/core/rtnetlink.c:3670) [ 10.866973][ T217] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 10.867114][ T217] ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6)) [ 10.867263][ T217] veth_newlink (drivers/net/veth.c:1871) veth [ 10.867434][ T217] ? veth_poll_controller (drivers/net/veth.c:1470) veth [ 10.867606][ T217] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.867748][ T217] ? kasan_save_track (mm/kasan/common.c:78) [ 10.867890][ T217] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.868048][ T217] ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832) [ 10.868189][ T217] ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7)) [ 10.868340][ T217] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 10.868488][ T217] ? alloc_netdev_mqs (net/core/dev.c:12133) [ 10.868631][ T217] ? rtnl_create_link (net/core/rtnetlink.c:3720) [ 10.868774][ T217] rtnl_newlink_create (net/core/rtnetlink.c:3904) [ 10.868916][ T217] ? rtnl_create_link (net/core/rtnetlink.c:3691) [ 10.869058][ T217] ? __dev_get_by_name (net/core/dev.c:883) [ 10.869198][ T217] ? rtnl_dev_get (net/core/rtnetlink.c:3478) [ 10.869348][ T217] __rtnl_newlink (net/core/rtnetlink.c:4035) [ 10.869498][ T217] rtnl_newlink (net/core/rtnetlink.c:4150) [ 10.869642][ T217] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.869781][ T217] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.869920][ T217] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.870062][ T217] ? mark_usage (kernel/locking/lockdep.c:4674) [ 10.870204][ T217] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.870361][ T217] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.870502][ T217] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.870644][ T217] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 10.870785][ T217] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 10.870928][ T217] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.871068][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.871211][ T217] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.871364][ T217] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.871508][ T217] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 10.871651][ T217] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.871794][ T217] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.871939][ T217] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 10.872080][ T217] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 10.872223][ T217] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.872376][ T217] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.872525][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.872672][ T217] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 10.872813][ T217] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 10.872957][ T217] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 10.873102][ T217] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 10.873282][ T217] ? copy_msghdr_from_user (net/socket.c:2635) [ 10.873429][ T217] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349) [ 10.873605][ T217] ? move_addr_to_kernel (net/socket.c:258) [ 10.873751][ T217] ? folio_add_lru_vma (mm/swap.c:536) [ 10.873895][ T217] ___sys_sendmsg (net/socket.c:2752) [ 10.874060][ T217] ? copy_msghdr_from_user (net/socket.c:2603) [ 10.874201][ T217] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.874363][ T217] ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2)) [ 10.874506][ T217] __sys_sendmsg (net/socket.c:2784) [ 10.874650][ T217] ? __sys_sendmsg_sock (net/socket.c:2765) [ 10.874794][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.874935][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.875081][ T217] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 10.875223][ T217] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 10.875378][ T217] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 10.875522][ T217] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.875700][ T217] RIP: 0033:0x7fdb13ab108e [ 10.875853][ T217] 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 [ 10.876393][ T217] RSP: 002b:00007ffef96c8d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.876611][ T217] RAX: ffffffffffffffda RBX: 00007ffef96c9498 RCX: 00007fdb13ab108e [ 10.876822][ T217] RDX: 0000000000000000 RSI: 00007ffef96c8db0 RDI: 0000000000000005 [ 10.877033][ T217] RBP: 00007ffef96c8d10 R08: 0000000000000000 R09: 0000000000000000 [ 10.877248][ T217] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c89c [ 10.877465][ T217] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef96c9470 | [ 10.893855][ T217] ------------[ cut here ]------------ | [ 10.894107][ T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/217 | [ 10.894438][ T217] Modules linked in: veth | [ 10.894949][ T217] Tainted: [W]=WARN [ 10.895109][ T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.895346][ T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.895605][ T217] 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 38 e4 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 38 e4 f0 ff call 0xfffffffffff0e474 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 38 e4 f0 ff call 0xfffffffffff0e44a 12: b9 .byte 0xb9 13: a6 cmpsb (%rdi),(%rsi) 14: ff (bad) 15: ff .byte 0xff [ 10.896156][ T217] RSP: 0018:ffa00000004f71b0 EFLAGS: 00010286 [ 10.896423][ T217] RAX: 00000000ffffffa6 RBX: ff11000004e00740 RCX: 1ff400000009edfc [ 10.896688][ T217] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e007f8 [ 10.896950][ T217] RBP: ff11000008849000 R08: 1fe22000009c0100 R09: ff11000009a15180 [ 10.897210][ T217] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff [ 10.897492][ T217] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 10.897753][ T217] FS: 00007fdb13877840(0000) GS:ff110000928b0000(0000) knlGS:0000000000000000 [ 10.898085][ T217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.898320][ T217] CR2: 0000556c81dd8280 CR3: 000000000b935003 CR4: 0000000000771ef0 [ 10.898592][ T217] PKRU: 55555554 [ 10.898749][ T217] Call Trace: [ 10.898906][ T217] [ 10.899029][ T217] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 10.899265][ T217] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 10.899442][ T217] __dev_notify_flags (net/core/dev.c:9787) [ 10.899638][ T217] ? netif_change_name (net/core/dev.c:1495) [ 10.899828][ T217] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 10.900021][ T217] ? alloc_netdev_mqs (net/core/dev.c:12133) [ 10.900214][ T217] rtnl_configure_link (net/core/rtnetlink.c:3670) [ 10.900425][ T217] rtnl_newlink_create (net/core/rtnetlink.c:3914) [ 10.900615][ T217] ? rtnl_create_link (net/core/rtnetlink.c:3691) [ 10.900805][ T217] ? __dev_get_by_name (net/core/dev.c:883) [ 10.900997][ T217] ? rtnl_dev_get (net/core/rtnetlink.c:3478) [ 10.901193][ T217] __rtnl_newlink (net/core/rtnetlink.c:4035) [ 10.901470][ T217] rtnl_newlink (net/core/rtnetlink.c:4150) [ 10.901661][ T217] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.901851][ T217] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.902044][ T217] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.902239][ T217] ? mark_usage (kernel/locking/lockdep.c:4674) [ 10.902442][ T217] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.902638][ T217] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.902828][ T217] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.903018][ T217] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 10.903234][ T217] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 10.903440][ T217] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.903631][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.903824][ T217] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.904035][ T217] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.904243][ T217] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 10.904446][ T217] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.904639][ T217] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.904835][ T217] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 10.905023][ T217] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 10.905216][ T217] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.905435][ T217] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.905628][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.905818][ T217] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 10.906011][ T217] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 10.906203][ T217] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 10.906419][ T217] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 10.906611][ T217] ? copy_msghdr_from_user (net/socket.c:2635) [ 10.906801][ T217] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349) [ 10.907028][ T217] ? move_addr_to_kernel (net/socket.c:258) [ 10.907221][ T217] ? folio_add_lru_vma (mm/swap.c:536) [ 10.907439][ T217] ___sys_sendmsg (net/socket.c:2752) [ 10.907631][ T217] ? copy_msghdr_from_user (net/socket.c:2603) [ 10.907819][ T217] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.908018][ T217] ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2)) [ 10.908215][ T217] __sys_sendmsg (net/socket.c:2784) [ 10.908432][ T217] ? __sys_sendmsg_sock (net/socket.c:2765) [ 10.908627][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.908817][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.909008][ T217] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 10.909198][ T217] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 10.909408][ T217] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 10.909599][ T217] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.909865][ T217] RIP: 0033:0x7fdb13ab108e [ 10.910062][ T217] 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 [ 10.910642][ T217] RSP: 002b:00007ffef96c8d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.910903][ T217] RAX: ffffffffffffffda RBX: 00007ffef96c9498 RCX: 00007fdb13ab108e [ 10.911164][ T217] RDX: 0000000000000000 RSI: 00007ffef96c8db0 RDI: 0000000000000005 [ 10.911442][ T217] RBP: 00007ffef96c8d10 R08: 0000000000000000 R09: 0000000000000000 [ 10.911698][ T217] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c89c Finger prints: rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink