====================================== | xx__-> [ 10.722309][ T191] ------------[ cut here ]------------ | [ 10.722621][ T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/191 | [ 10.723131][ T191] Modules linked in: veth | [ 10.723810][ T191] Tainted: [W]=WARN [ 10.723990][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.724270][ T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.724565][ T191] 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 [ 10.725354][ T191] RSP: 0018:ffa00000008d6e30 EFLAGS: 00010286 [ 10.725639][ T191] RAX: 00000000ffffffa6 RBX: ff1100000a1f2ac0 RCX: 1ff400000011ad8c [ 10.725975][ T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a1f2b78 [ 10.726300][ T191] RBP: ff11000005b44000 R08: 1fe220000143e570 R09: ff1100000291d180 [ 10.726633][ T191] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff [ 10.726971][ T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b7c7c00 [ 10.727304][ T191] FS: 00007f7692063840(0000) GS:ff1100009dfb0000(0000) knlGS:0000000000000000 [ 10.727694][ T191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.727980][ T191] CR2: 00005616f6f94d50 CR3: 000000000b6c1001 CR4: 0000000000771ef0 [ 10.728318][ T191] PKRU: 55555554 [ 10.728487][ T191] Call Trace: [ 10.728659][ T191] [ 10.728776][ T191] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1)) [ 10.729065][ T191] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 10.729290][ T191] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 10.729458][ T191] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.729688][ T191] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.729915][ T191] __dev_notify_flags (net/core/dev.c:9787) [ 10.730144][ T191] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.730365][ T191] ? netif_change_name (net/core/dev.c:1495) [ 10.730596][ T191] ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2)) [ 10.730821][ T191] ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2)) [ 10.731050][ T191] rtnl_configure_link (net/core/rtnetlink.c:3670) [ 10.731267][ T191] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 10.731477][ T191] ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6)) [ 10.731693][ T191] veth_newlink (drivers/net/veth.c:1871) veth [ 10.731911][ T191] ? veth_poll_controller (drivers/net/veth.c:1470) veth [ 10.732187][ T191] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.732403][ T191] ? kasan_save_track (mm/kasan/common.c:78) [ 10.732622][ T191] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.732867][ T191] ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832) [ 10.733094][ T191] ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7)) [ 10.733318][ T191] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 10.733543][ T191] ? alloc_netdev_mqs (net/core/dev.c:12133) [ 10.733768][ T191] ? rtnl_create_link (net/core/rtnetlink.c:3720) [ 10.734000][ T191] rtnl_newlink_create (net/core/rtnetlink.c:3904) [ 10.734240][ T191] ? rtnl_create_link (net/core/rtnetlink.c:3691) [ 10.734460][ T191] ? __dev_get_by_name (net/core/dev.c:883) [ 10.734683][ T191] ? rtnl_dev_get (net/core/rtnetlink.c:3478) [ 10.734915][ T191] __rtnl_newlink (net/core/rtnetlink.c:4035) [ 10.735149][ T191] rtnl_newlink (net/core/rtnetlink.c:4150) [ 10.735371][ T191] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.735616][ T191] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.735841][ T191] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.736075][ T191] ? mark_usage (kernel/locking/lockdep.c:4674) [ 10.736296][ T191] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.736530][ T191] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.736753][ T191] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.736980][ T191] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 10.737199][ T191] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 10.737415][ T191] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.737640][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.737864][ T191] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.738094][ T191] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.738319][ T191] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 10.738544][ T191] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.738765][ T191] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.739006][ T191] ? 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)) [ 10.739226][ T191] ? 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)) [ 10.739452][ T191] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.739679][ T191] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.739900][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.740133][ T191] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 10.740356][ T191] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 10.740580][ T191] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 10.740800][ T191] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 10.741022][ T191] ? copy_msghdr_from_user (net/socket.c:2635) [ 10.741238][ T191] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349) [ 10.741508][ T191] ? move_addr_to_kernel (net/socket.c:258) [ 10.741734][ T191] ___sys_sendmsg (net/socket.c:2752) [ 10.741964][ T191] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.742185][ T191] ? copy_msghdr_from_user (net/socket.c:2603) [ 10.742427][ T191] __sys_sendmsg (net/socket.c:2784) [ 10.742657][ T191] ? __sys_sendmsg_sock (net/socket.c:2765) [ 10.742878][ T191] ? down_write_nested (kernel/locking/rwsem.c:1753) [ 10.743105][ T191] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.743331][ T191] ? 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) [ 10.743554][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.743777][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.744007][ T191] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 10.744229][ T191] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.744509][ T191] RIP: 0033:0x7f769229d08e [ 10.744744][ T191] 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 [ 10.745544][ T191] RSP: 002b:00007ffd412f50b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.745874][ T191] RAX: ffffffffffffffda RBX: 00007ffd412f5848 RCX: 00007f769229d08e [ 10.746213][ T191] RDX: 0000000000000000 RSI: 00007ffd412f5160 RDI: 0000000000000005 [ 10.746544][ T191] RBP: 00007ffd412f50c0 R08: 0000000000000000 R09: 0000000000000000 [ 10.746875][ T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6e7 [ 10.747214][ T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd412f5820 | [ 10.773708][ T191] ------------[ cut here ]------------ | [ 10.773943][ T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/191 | [ 10.774332][ T191] Modules linked in: veth | [ 10.774963][ T191] Tainted: [W]=WARN [ 10.775131][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.775402][ T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.775686][ T191] 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 [ 10.776566][ T191] RSP: 0018:ffa00000008d71b0 EFLAGS: 00010286 [ 10.776842][ T191] RAX: 00000000ffffffa6 RBX: ff11000005674580 RCX: 1ff400000011adfc [ 10.777213][ T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005674638 [ 10.777532][ T191] RBP: ff1100000a03c000 R08: 1fe2200000ace8c8 R09: ff1100000291d180 [ 10.777853][ T191] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff [ 10.778184][ T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 10.778511][ T191] FS: 00007f7692063840(0000) GS:ff1100009dfb0000(0000) knlGS:0000000000000000 [ 10.778887][ T191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.779161][ T191] CR2: 00005616f6f94d50 CR3: 000000000b6c1001 CR4: 0000000000771ef0 [ 10.779480][ T191] PKRU: 55555554 [ 10.779646][ T191] Call Trace: [ 10.779808][ T191] [ 10.779920][ T191] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 10.780149][ T191] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 10.780316][ T191] __dev_notify_flags (net/core/dev.c:9787) [ 10.780537][ T191] ? netif_change_name (net/core/dev.c:1495) [ 10.780750][ T191] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 10.780973][ T191] ? alloc_netdev_mqs (net/core/dev.c:12133) [ 10.781196][ T191] rtnl_configure_link (net/core/rtnetlink.c:3670) [ 10.781411][ T191] rtnl_newlink_create (net/core/rtnetlink.c:3914) [ 10.781631][ T191] ? rtnl_create_link (net/core/rtnetlink.c:3691) [ 10.781845][ T191] ? __dev_get_by_name (net/core/dev.c:883) [ 10.782067][ T191] ? rtnl_dev_get (net/core/rtnetlink.c:3478) [ 10.782292][ T191] __rtnl_newlink (net/core/rtnetlink.c:4035) [ 10.782514][ T191] rtnl_newlink (net/core/rtnetlink.c:4150) [ 10.782728][ T191] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.782937][ T191] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.783154][ T191] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.783365][ T191] ? mark_usage (kernel/locking/lockdep.c:4674) [ 10.783583][ T191] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.783806][ T191] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.784030][ T191] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.784243][ T191] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 10.784460][ T191] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 10.784672][ T191] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.784884][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.785112][ T191] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.785323][ T191] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.785541][ T191] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 10.785754][ T191] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.785975][ T191] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.786190][ T191] ? 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)) [ 10.786403][ T191] ? 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)) [ 10.786630][ T191] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.786845][ T191] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.787069][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.787285][ T191] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 10.787501][ T191] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 10.787717][ T191] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 10.787936][ T191] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 10.788160][ T191] ? copy_msghdr_from_user (net/socket.c:2635) [ 10.788376][ T191] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349) [ 10.788637][ T191] ? move_addr_to_kernel (net/socket.c:258) [ 10.788856][ T191] ___sys_sendmsg (net/socket.c:2752) [ 10.789071][ T191] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.789286][ T191] ? copy_msghdr_from_user (net/socket.c:2603) [ 10.789527][ T191] __sys_sendmsg (net/socket.c:2784) [ 10.789740][ T191] ? __sys_sendmsg_sock (net/socket.c:2765) [ 10.789965][ T191] ? down_write_nested (kernel/locking/rwsem.c:1753) [ 10.790175][ T191] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.790392][ T191] ? 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) [ 10.790607][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.790820][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.791041][ T191] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 10.791257][ T191] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.791531][ T191] RIP: 0033:0x7f769229d08e [ 10.791757][ T191] 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 [ 10.792530][ T191] RSP: 002b:00007ffd412f50b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.792848][ T191] RAX: ffffffffffffffda RBX: 00007ffd412f5848 RCX: 00007f769229d08e [ 10.793170][ T191] RDX: 0000000000000000 RSI: 00007ffd412f5160 RDI: 0000000000000005 [ 10.793483][ T191] RBP: 00007ffd412f50c0 R08: 0000000000000000 R09: 0000000000000000 [ 10.793810][ T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6e7 [ 10.794135][ T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd412f5820 | [ 10.954438][ T202] ------------[ cut here ]------------ | [ 10.954623][ T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/202 | [ 10.954879][ T202] Modules linked in: veth | [ 10.955400][ T202] Tainted: [W]=WARN [ 10.955509][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.955684][ T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.955872][ T202] 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 [ 10.956377][ T202] RSP: 0018:ffa0000000516e30 EFLAGS: 00010286 [ 10.956560][ T202] RAX: 00000000ffffffa6 RBX: ff1100000be3a200 RCX: 1ff40000000a2d8c [ 10.956771][ T202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000be3a2b8 [ 10.956985][ T202] RBP: ff11000008031000 R08: 1fe22000017c7458 R09: ff1100000ce45180 [ 10.957196][ T202] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff [ 10.957404][ T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b7bc780 [ 10.957620][ T202] FS: 00007f44f8ecb840(0000) GS:ff1100009e130000(0000) knlGS:0000000000000000 [ 10.957866][ T202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.958049][ T202] CR2: 000000000042ebe0 CR3: 000000000a2bd003 CR4: 0000000000771ef0 [ 10.958259][ T202] PKRU: 55555554 [ 10.958364][ T202] Call Trace: [ 10.958467][ T202] [ 10.958544][ T202] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 10.958687][ T202] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 10.958793][ T202] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1)) [ 10.958970][ T202] __dev_notify_flags (net/core/dev.c:9787) [ 10.959113][ T202] ? netif_change_name (net/core/dev.c:1495) [ 10.959253][ T202] ? rtnl_newlink (net/core/rtnetlink.c:4150) [ 10.959392][ T202] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 10.959534][ T202] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 10.959680][ T202] ? add_timer_on (kernel/time/timer.c:925 (discriminator 5)) [ 10.959831][ T202] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.959978][ T202] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 10.960120][ T202] rtnl_configure_link (net/core/rtnetlink.c:3670) [ 10.960258][ T202] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 10.960397][ T202] ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6)) [ 10.960542][ T202] veth_newlink (drivers/net/veth.c:1871) veth [ 10.960682][ T202] ? veth_poll_controller (drivers/net/veth.c:1470) veth [ 10.960854][ T202] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.960998][ T202] ? kasan_save_track (mm/kasan/common.c:78) [ 10.961142][ T202] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.961301][ T202] ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832) [ 10.961440][ T202] ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7)) [ 10.961584][ T202] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 10.961723][ T202] ? alloc_netdev_mqs (net/core/dev.c:12133) [ 10.961865][ T202] ? rtnl_create_link (net/core/rtnetlink.c:3720) [ 10.962009][ T202] rtnl_newlink_create (net/core/rtnetlink.c:3904) [ 10.962152][ T202] ? rtnl_create_link (net/core/rtnetlink.c:3691) [ 10.962290][ T202] ? __dev_get_by_name (net/core/dev.c:883) [ 10.962429][ T202] ? rtnl_dev_get (net/core/rtnetlink.c:3478) [ 10.962576][ T202] __rtnl_newlink (net/core/rtnetlink.c:4035) [ 10.962720][ T202] rtnl_newlink (net/core/rtnetlink.c:4150) [ 10.962863][ T202] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.963006][ T202] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.963147][ T202] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.963287][ T202] ? mark_usage (kernel/locking/lockdep.c:4674) [ 10.963425][ T202] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.963571][ T202] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.963712][ T202] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.963851][ T202] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 10.963999][ T202] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 10.964140][ T202] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.964282][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.964422][ T202] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.964564][ T202] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.964703][ T202] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 10.964842][ T202] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.964987][ T202] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.965130][ T202] ? 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)) [ 10.965269][ T202] ? 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)) [ 10.965412][ T202] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.965560][ T202] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.965700][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.965840][ T202] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 10.965986][ T202] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 10.966127][ T202] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 10.966271][ T202] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 10.966413][ T202] ? copy_msghdr_from_user (net/socket.c:2635) [ 10.966558][ T202] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349) [ 10.966730][ T202] ? move_addr_to_kernel (net/socket.c:258) [ 10.966875][ T202] ___sys_sendmsg (net/socket.c:2752) [ 10.967019][ T202] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.967156][ T202] ? copy_msghdr_from_user (net/socket.c:2603) [ 10.967303][ T202] ? 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)) [ 10.967447][ T202] __sys_sendmsg (net/socket.c:2784) [ 10.967589][ T202] ? __sys_sendmsg_sock (net/socket.c:2765) [ 10.967734][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.967877][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.968022][ T202] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 10.968160][ T202] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 10.968299][ T202] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 10.968440][ T202] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.968618][ T202] RIP: 0033:0x7f44f910508e [ 10.968768][ T202] 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 [ 10.969264][ T202] RSP: 002b:00007ffd78df36c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.969476][ T202] RAX: ffffffffffffffda RBX: 00007ffd78df3e58 RCX: 00007f44f910508e [ 10.969689][ T202] RDX: 0000000000000000 RSI: 00007ffd78df3770 RDI: 0000000000000005 [ 10.969900][ T202] RBP: 00007ffd78df36d0 R08: 0000000000000000 R09: 0000000000000000 [ 10.970112][ T202] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6e8 [ 10.970318][ T202] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd78df3e30 | [ 10.981409][ T202] ------------[ cut here ]------------ | [ 10.981569][ T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/202 | [ 10.981811][ T202] Modules linked in: veth | [ 10.982283][ T202] Tainted: [W]=WARN [ 10.982386][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.982555][ T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 10.982733][ T202] 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 [ 10.983218][ T202] RSP: 0018:ffa00000005171b0 EFLAGS: 00010286 [ 10.983388][ T202] RAX: 00000000ffffffa6 RBX: ff1100000cd80040 RCX: 1ff40000000a2dfc [ 10.983589][ T202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cd800f8 [ 10.983788][ T202] RBP: ff110000095f1000 R08: 1fe22000019b0020 R09: ff1100000ce45180 [ 10.983992][ T202] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff [ 10.984190][ T202] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 10.984392][ T202] FS: 00007f44f8ecb840(0000) GS:ff1100009e130000(0000) knlGS:0000000000000000 [ 10.984631][ T202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.984802][ T202] CR2: 00005616f6fd2d80 CR3: 000000000a2bd003 CR4: 0000000000771ef0 [ 10.985004][ T202] PKRU: 55555554 [ 10.985104][ T202] Call Trace: [ 10.985208][ T202] [ 10.985278][ T202] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 10.985417][ T202] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 10.985525][ T202] __dev_notify_flags (net/core/dev.c:9787) [ 10.985661][ T202] ? netif_change_name (net/core/dev.c:1495) [ 10.985802][ T202] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 10.985935][ T202] ? alloc_netdev_mqs (net/core/dev.c:12133) [ 10.986078][ T202] rtnl_configure_link (net/core/rtnetlink.c:3670) [ 10.986212][ T202] rtnl_newlink_create (net/core/rtnetlink.c:3914) [ 10.986346][ T202] ? rtnl_create_link (net/core/rtnetlink.c:3691) [ 10.986481][ T202] ? __dev_get_by_name (net/core/dev.c:883) [ 10.986622][ T202] ? rtnl_dev_get (net/core/rtnetlink.c:3478) [ 10.986767][ T202] __rtnl_newlink (net/core/rtnetlink.c:4035) [ 10.986914][ T202] rtnl_newlink (net/core/rtnetlink.c:4150) [ 10.987057][ T202] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.987210][ T202] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.987347][ T202] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.987485][ T202] ? mark_usage (kernel/locking/lockdep.c:4674) [ 10.987622][ T202] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.987760][ T202] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.987897][ T202] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 10.988038][ T202] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 10.988173][ T202] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 10.988309][ T202] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.988443][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.988585][ T202] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 10.988722][ T202] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 10.988861][ T202] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 10.989002][ T202] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.989140][ T202] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.989279][ T202] ? 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)) [ 10.989412][ T202] ? 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)) [ 10.989557][ T202] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.989695][ T202] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.989832][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 10.989971][ T202] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 10.990107][ T202] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 10.990246][ T202] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 10.990386][ T202] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 10.990529][ T202] ? copy_msghdr_from_user (net/socket.c:2635) [ 10.990664][ T202] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349) [ 10.990832][ T202] ? move_addr_to_kernel (net/socket.c:258) [ 10.990977][ T202] ___sys_sendmsg (net/socket.c:2752) [ 10.991119][ T202] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 10.991268][ T202] ? copy_msghdr_from_user (net/socket.c:2603) [ 10.991424][ T202] ? 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)) [ 10.991571][ T202] __sys_sendmsg (net/socket.c:2784) [ 10.991710][ T202] ? __sys_sendmsg_sock (net/socket.c:2765) [ 10.991862][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.992017][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 10.992167][ T202] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 10.992313][ T202] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 10.992460][ T202] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 10.992612][ T202] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.992799][ T202] RIP: 0033:0x7f44f910508e [ 10.992960][ T202] 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 [ 10.993476][ T202] RSP: 002b:00007ffd78df36c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.993699][ T202] RAX: ffffffffffffffda RBX: 00007ffd78df3e58 RCX: 00007f44f910508e [ 10.993919][ T202] RDX: 0000000000000000 RSI: 00007ffd78df3770 RDI: 0000000000000005 [ 10.994144][ T202] RBP: 00007ffd78df36d0 R08: 0000000000000000 R09: 0000000000000000 [ 10.994357][ T202] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6e8 [ 10.994569][ T202] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd78df3e30 | [ 11.138009][ T215] ------------[ cut here ]------------ | [ 11.138200][ T215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/215 | [ 11.138457][ T215] Modules linked in: veth | [ 11.138870][ T215] Tainted: [W]=WARN [ 11.139297][ T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.139481][ T215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 11.139672][ T215] 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 [ 11.140181][ T215] RSP: 0018:ffa0000000516e30 EFLAGS: 00010286 [ 11.140359][ T215] RAX: 00000000ffffffa6 RBX: ff11000008f578c0 RCX: 1ff40000000a2d8c [ 11.140573][ T215] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008f57978 [ 11.140784][ T215] RBP: ff1100000ef21000 R08: 1fe22000011eaf30 R09: ff1100000cc50b80 [ 11.141000][ T215] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff [ 11.141211][ T215] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c787500 [ 11.141421][ T215] FS: 00007f13ff23d840(0000) GS:ff1100009e130000(0000) knlGS:0000000000000000 [ 11.141669][ T215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 11.141845][ T215] CR2: 000000000042ebe0 CR3: 000000000d6a8005 CR4: 0000000000771ef0 [ 11.142059][ T215] PKRU: 55555554 [ 11.142164][ T215] Call Trace: [ 11.142268][ T215] [ 11.142340][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 11.142485][ T215] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 11.142669][ T215] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 11.142778][ T215] ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 11.142919][ T215] __dev_notify_flags (net/core/dev.c:9787) [ 11.143064][ T215] ? ref_tracker_dir_print (lib/ref_tracker.c:200) [ 11.143202][ T215] ? 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) [ 11.143341][ T215] ? netif_change_name (net/core/dev.c:1495) [ 11.143479][ T215] ? rtnl_newlink (net/core/rtnetlink.c:4150) [ 11.143622][ T215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 11.143762][ T215] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 11.143902][ T215] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 11.144048][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 11.144189][ T215] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 11.144329][ T215] rtnl_configure_link (net/core/rtnetlink.c:3670) [ 11.144468][ T215] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 11.144614][ T215] ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6)) [ 11.144756][ T215] veth_newlink (drivers/net/veth.c:1871) veth [ 11.144897][ T215] ? veth_poll_controller (drivers/net/veth.c:1470) veth [ 11.145072][ T215] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.145213][ T215] ? kasan_save_track (mm/kasan/common.c:78) [ 11.145351][ T215] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 11.145511][ T215] ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832) [ 11.145651][ T215] ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7)) [ 11.145793][ T215] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 11.145932][ T215] ? alloc_netdev_mqs (net/core/dev.c:12133) [ 11.146079][ T215] ? rtnl_create_link (net/core/rtnetlink.c:3720) [ 11.146219][ T215] rtnl_newlink_create (net/core/rtnetlink.c:3904) [ 11.146359][ T215] ? rtnl_create_link (net/core/rtnetlink.c:3691) [ 11.146500][ T215] ? __dev_get_by_name (net/core/dev.c:883) [ 11.146638][ T215] ? rtnl_dev_get (net/core/rtnetlink.c:3478) [ 11.146784][ T215] __rtnl_newlink (net/core/rtnetlink.c:4035) [ 11.146926][ T215] rtnl_newlink (net/core/rtnetlink.c:4150) [ 11.147070][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 11.147208][ T215] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 11.147347][ T215] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 11.147485][ T215] ? mark_usage (kernel/locking/lockdep.c:4674) [ 11.147628][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 11.147770][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 11.147916][ T215] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 11.148059][ T215] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 11.148199][ T215] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 11.148336][ T215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.148478][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 11.148625][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 11.148763][ T215] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 11.148909][ T215] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 11.149057][ T215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.149199][ T215] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.149341][ T215] ? 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)) [ 11.149481][ T215] ? 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)) [ 11.149629][ T215] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.149770][ T215] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.149912][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 11.150062][ T215] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 11.150204][ T215] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 11.150343][ T215] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 11.150486][ T215] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 11.150632][ T215] ? copy_msghdr_from_user (net/socket.c:2635) [ 11.150772][ T215] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349) [ 11.150945][ T215] ? move_addr_to_kernel (net/socket.c:258) [ 11.151095][ T215] ___sys_sendmsg (net/socket.c:2752) [ 11.151232][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 11.151368][ T215] ? copy_msghdr_from_user (net/socket.c:2603) [ 11.151536][ T215] ? 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)) [ 11.151679][ T215] __sys_sendmsg (net/socket.c:2784) [ 11.151823][ T215] ? __sys_sendmsg_sock (net/socket.c:2765) [ 11.151996][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 11.152142][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 11.152294][ T215] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 11.152441][ T215] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 11.152594][ T215] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 11.152740][ T215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.152930][ T215] RIP: 0033:0x7f13ff47708e [ 11.153085][ T215] 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 [ 11.153590][ T215] RSP: 002b:00007ffc1ca52280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.153802][ T215] RAX: ffffffffffffffda RBX: 00007ffc1ca52a18 RCX: 00007f13ff47708e [ 11.154014][ T215] RDX: 0000000000000000 RSI: 00007ffc1ca52330 RDI: 0000000000000005 [ 11.154224][ T215] RBP: 00007ffc1ca52290 R08: 0000000000000000 R09: 0000000000000000 [ 11.154432][ T215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6e8 [ 11.154645][ T215] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1ca529f0 | [ 11.176241][ T215] ------------[ cut here ]------------ | [ 11.176446][ T215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/215 | [ 11.176746][ T215] Modules linked in: veth | [ 11.177247][ T215] Tainted: [W]=WARN [ 11.177399][ T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.177629][ T215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 11.177868][ T215] 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 [ 11.178555][ T215] RSP: 0018:ffa00000005171b0 EFLAGS: 00010286 [ 11.178895][ T215] RAX: 00000000ffffffa6 RBX: ff1100000c589540 RCX: 1ff40000000a2dfc [ 11.179279][ T215] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c5895f8 [ 11.179651][ T215] RBP: ff1100000ef1c000 R08: 1fe22000018b12c0 R09: ff1100000cc50b80 [ 11.180026][ T215] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff [ 11.180392][ T215] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 11.180771][ T215] FS: 00007f13ff23d840(0000) GS:ff1100009e0b0000(0000) knlGS:0000000000000000 [ 11.181182][ T215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 11.181471][ T215] CR2: 00007ff080f99388 CR3: 000000000d6a8002 CR4: 0000000000771ef0 [ 11.181830][ T215] PKRU: 55555554 [ 11.182090][ T215] Call Trace: [ 11.182328][ T215] [ 11.182506][ T215] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 11.182693][ T215] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 11.182844][ T215] __dev_notify_flags (net/core/dev.c:9787) [ 11.183041][ T215] ? netif_change_name (net/core/dev.c:1495) [ 11.183226][ T215] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 11.183409][ T215] ? alloc_netdev_mqs (net/core/dev.c:12133) [ 11.183606][ T215] rtnl_configure_link (net/core/rtnetlink.c:3670) [ 11.183794][ T215] rtnl_newlink_create (net/core/rtnetlink.c:3914) [ 11.183992][ T215] ? rtnl_create_link (net/core/rtnetlink.c:3691) [ 11.184175][ T215] ? __dev_get_by_name (net/core/dev.c:883) [ 11.184360][ T215] ? rtnl_dev_get (net/core/rtnetlink.c:3478) [ 11.184556][ T215] __rtnl_newlink (net/core/rtnetlink.c:4035) [ 11.184743][ T215] rtnl_newlink (net/core/rtnetlink.c:4150) [ 11.184930][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 11.185130][ T215] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 11.185317][ T215] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 11.185507][ T215] ? mark_usage (kernel/locking/lockdep.c:4674) [ 11.185694][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 11.185883][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 11.186080][ T215] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 11.186266][ T215] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 11.186450][ T215] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 11.186645][ T215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.186830][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 11.187030][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 11.187214][ T215] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 11.187405][ T215] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 11.187598][ T215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.187782][ T215] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.187982][ T215] ? 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)) [ 11.188170][ T215] ? 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)) [ 11.188361][ T215] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.188566][ T215] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.188756][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 11.188966][ T215] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 11.189168][ T215] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 11.189375][ T215] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 11.189602][ T215] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 11.189813][ T215] ? copy_msghdr_from_user (net/socket.c:2635) [ 11.190038][ T215] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349) [ 11.190285][ T215] ? move_addr_to_kernel (net/socket.c:258) [ 11.190509][ T215] ___sys_sendmsg (net/socket.c:2752) [ 11.190744][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 11.191001][ T215] ? copy_msghdr_from_user (net/socket.c:2603) [ 11.191266][ T215] ? 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)) [ 11.191505][ T215] __sys_sendmsg (net/socket.c:2784) [ 11.191727][ T215] ? __sys_sendmsg_sock (net/socket.c:2765) [ 11.191980][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 11.192181][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 11.192371][ T215] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 11.192574][ T215] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 11.192762][ T215] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 11.192970][ T215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.193194][ T215] RIP: 0033:0x7f13ff47708e [ 11.193398][ T215] 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 [ 11.193967][ T215] RSP: 002b:00007ffc1ca52280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.194229][ T215] RAX: ffffffffffffffda RBX: 00007ffc1ca52a18 RCX: 00007f13ff47708e [ 11.194485][ T215] RDX: 0000000000000000 RSI: 00007ffc1ca52330 RDI: 0000000000000005 [ 11.194751][ T215] RBP: 00007ffc1ca52290 R08: 0000000000000000 R09: 0000000000000000 [ 11.195025][ T215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6e8 [ 11.195298][ T215] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1ca529f0 | [ 11.444586][ T222] ------------[ cut here ]------------ | [ 11.444781][ T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/222 | [ 11.445046][ T222] Modules linked in: veth | [ 11.445453][ T222] Tainted: [W]=WARN [ 11.445565][ T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.445739][ T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 11.445921][ T222] 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 [ 11.446450][ T222] RSP: 0018:ffa0000000536e30 EFLAGS: 00010286 [ 11.446634][ T222] RAX: 00000000ffffffa6 RBX: ff11000008f57000 RCX: 1ff40000000a6d8c [ 11.446844][ T222] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008f570b8 [ 11.447067][ T222] RBP: ff11000005e21000 R08: 1fe22000011eae18 R09: ff1100000291ae80 [ 11.447282][ T222] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff [ 11.447494][ T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c784080 [ 11.447711][ T222] FS: 00007ff6a729a840(0000) GS:ff1100009e030000(0000) knlGS:0000000000000000 [ 11.447967][ T222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 11.448163][ T222] CR2: 00007fd70bb27d80 CR3: 000000000d69e002 CR4: 0000000000771ef0 [ 11.448388][ T222] PKRU: 55555554 [ 11.448502][ T222] Call Trace: [ 11.448613][ T222] [ 11.448689][ T222] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 11.448837][ T222] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 11.448989][ T222] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 11.449097][ T222] ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 11.449238][ T222] __dev_notify_flags (net/core/dev.c:9787) [ 11.449379][ T222] ? ref_tracker_dir_print (lib/ref_tracker.c:200) [ 11.449528][ T222] ? 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) [ 11.449678][ T222] ? netif_change_name (net/core/dev.c:1495) [ 11.449823][ T222] ? rtnl_newlink (net/core/rtnetlink.c:4150) [ 11.449969][ T222] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 11.450111][ T222] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 11.450256][ T222] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 11.450404][ T222] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 11.450549][ T222] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 11.450691][ T222] rtnl_configure_link (net/core/rtnetlink.c:3670) [ 11.450841][ T222] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 11.450998][ T222] ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6)) [ 11.451143][ T222] veth_newlink (drivers/net/veth.c:1871) veth [ 11.451286][ T222] ? veth_poll_controller (drivers/net/veth.c:1470) veth [ 11.451465][ T222] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.451613][ T222] ? kasan_save_track (mm/kasan/common.c:78) [ 11.451752][ T222] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 11.451912][ T222] ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832) [ 11.452060][ T222] ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7)) [ 11.452202][ T222] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 11.452343][ T222] ? alloc_netdev_mqs (net/core/dev.c:12133) [ 11.452488][ T222] ? rtnl_create_link (net/core/rtnetlink.c:3720) [ 11.452633][ T222] rtnl_newlink_create (net/core/rtnetlink.c:3904) [ 11.452773][ T222] ? rtnl_create_link (net/core/rtnetlink.c:3691) [ 11.452912][ T222] ? __dev_get_by_name (net/core/dev.c:883) [ 11.453061][ T222] ? rtnl_dev_get (net/core/rtnetlink.c:3478) [ 11.453210][ T222] __rtnl_newlink (net/core/rtnetlink.c:4035) [ 11.453357][ T222] rtnl_newlink (net/core/rtnetlink.c:4150) [ 11.453508][ T222] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 11.453653][ T222] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 11.453803][ T222] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 11.453948][ T222] ? mark_usage (kernel/locking/lockdep.c:4674) [ 11.454100][ T222] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 11.454243][ T222] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 11.454384][ T222] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 11.454529][ T222] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 11.454669][ T222] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 11.454812][ T222] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.454956][ T222] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 11.455101][ T222] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 11.455242][ T222] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 11.455387][ T222] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 11.455531][ T222] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.455676][ T222] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.455823][ T222] ? 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)) [ 11.455973][ T222] ? 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)) [ 11.456114][ T222] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.456258][ T222] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.456399][ T222] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 11.456543][ T222] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 11.456683][ T222] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 11.456823][ T222] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 11.456969][ T222] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 11.457111][ T222] ? copy_msghdr_from_user (net/socket.c:2635) [ 11.457251][ T222] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349) [ 11.457431][ T222] ? move_addr_to_kernel (net/socket.c:258) [ 11.457579][ T222] ___sys_sendmsg (net/socket.c:2752) [ 11.457718][ T222] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 11.457858][ T222] ? copy_msghdr_from_user (net/socket.c:2603) [ 11.458011][ T222] ? 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)) [ 11.458151][ T222] __sys_sendmsg (net/socket.c:2784) [ 11.458293][ T222] ? __sys_sendmsg_sock (net/socket.c:2765) [ 11.458438][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 11.458583][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 11.458722][ T222] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 11.458862][ T222] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 11.459006][ T222] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 11.459145][ T222] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.459319][ T222] RIP: 0033:0x7ff6a74d408e [ 11.459470][ T222] 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 [ 11.459976][ T222] RSP: 002b:00007ffddd3d1590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.460188][ T222] RAX: ffffffffffffffda RBX: 00007ffddd3d1d28 RCX: 00007ff6a74d408e [ 11.460400][ T222] RDX: 0000000000000000 RSI: 00007ffddd3d1640 RDI: 0000000000000005 [ 11.460611][ T222] RBP: 00007ffddd3d15a0 R08: 0000000000000000 R09: 0000000000000000 [ 11.460819][ T222] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6e8 [ 11.461032][ T222] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffddd3d1d00 | [ 11.474869][ T222] ------------[ cut here ]------------ | [ 11.475104][ T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/222 | [ 11.475350][ T222] Modules linked in: veth | [ 11.475748][ T222] Tainted: [W]=WARN [ 11.475850][ T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.476028][ T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3)) [ 11.476206][ T222] 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 [ 11.476692][ T222] RSP: 0018:ffa00000005371b0 EFLAGS: 00010286 [ 11.476871][ T222] RAX: 00000000ffffffa6 RBX: ff1100000eef8040 RCX: 1ff40000000a6dfc [ 11.477145][ T222] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000eef80f8 [ 11.477346][ T222] RBP: ff1100000ce0c000 R08: 1fe2200001ddf020 R09: ff1100000291ae80 [ 11.477548][ T222] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff [ 11.477745][ T222] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 11.477946][ T222] FS: 00007ff6a729a840(0000) GS:ff1100009e030000(0000) knlGS:0000000000000000 [ 11.478247][ T222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 11.478417][ T222] CR2: 00007fd70bb27d80 CR3: 000000000d69e002 CR4: 0000000000771ef0 [ 11.478620][ T222] PKRU: 55555554 [ 11.478722][ T222] Call Trace: [ 11.478823][ T222] [ 11.478893][ T222] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551) [ 11.479087][ T222] rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560) [ 11.479190][ T222] __dev_notify_flags (net/core/dev.c:9787) [ 11.479327][ T222] ? netif_change_name (net/core/dev.c:1495) [ 11.479464][ T222] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 11.479604][ T222] ? alloc_netdev_mqs (net/core/dev.c:12133) [ 11.479745][ T222] rtnl_configure_link (net/core/rtnetlink.c:3670) [ 11.479881][ T222] rtnl_newlink_create (net/core/rtnetlink.c:3914) [ 11.480055][ T222] ? rtnl_create_link (net/core/rtnetlink.c:3691) [ 11.480190][ T222] ? __dev_get_by_name (net/core/dev.c:883) [ 11.480323][ T222] ? rtnl_dev_get (net/core/rtnetlink.c:3478) [ 11.480462][ T222] __rtnl_newlink (net/core/rtnetlink.c:4035) [ 11.480604][ T222] rtnl_newlink (net/core/rtnetlink.c:4150) [ 11.480740][ T222] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 11.480876][ T222] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 11.481016][ T222] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 11.481150][ T222] ? mark_usage (kernel/locking/lockdep.c:4674) [ 11.481283][ T222] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 11.481420][ T222] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 11.481561][ T222] ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1)) [ 11.481696][ T222] rtnetlink_rcv_msg (net/core/rtnetlink.c:7061) [ 11.481830][ T222] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 11.481968][ T222] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.482103][ T222] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 11.482238][ T222] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 11.482372][ T222] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 11.482510][ T222] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 11.482645][ T222] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.482792][ T222] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.482932][ T222] ? 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)) [ 11.483071][ T222] ? 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)) [ 11.483207][ T222] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.483344][ T222] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.483485][ T222] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 11.483650][ T222] netlink_sendmsg (net/netlink/af_netlink.c:1895) [ 11.483787][ T222] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 11.483926][ T222] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 11.484069][ T222] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 11.484208][ T222] ? copy_msghdr_from_user (net/socket.c:2635) [ 11.484345][ T222] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349) [ 11.484520][ T222] ? move_addr_to_kernel (net/socket.c:258) [ 11.484660][ T222] ___sys_sendmsg (net/socket.c:2752) [ 11.484796][ T222] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 11.484934][ T222] ? copy_msghdr_from_user (net/socket.c:2603) [ 11.485086][ T222] ? 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)) [ 11.485230][ T222] __sys_sendmsg (net/socket.c:2784) [ 11.485366][ T222] ? __sys_sendmsg_sock (net/socket.c:2765) [ 11.485511][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 11.485654][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 11.485793][ T222] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 11.485934][ T222] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 11.486077][ T222] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 11.486215][ T222] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.486383][ T222] RIP: 0033:0x7ff6a74d408e [ 11.486534][ T222] 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 [ 11.487021][ T222] RSP: 002b:00007ffddd3d1590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.487232][ T222] RAX: ffffffffffffffda RBX: 00007ffddd3d1d28 RCX: 00007ff6a74d408e [ 11.487433][ T222] RDX: 0000000000000000 RSI: 00007ffddd3d1640 RDI: 0000000000000005 [ 11.487636][ T222] RBP: 00007ffddd3d15a0 R08: 0000000000000000 R09: 0000000000000000 [ 11.487840][ T222] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6e8 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