====================================== | [ 950.802873][ T46] br0: port 2(s1) entered disabled state | [ 950.804292][ T46] br0: port 4(s2) entered disabled state | [ 950.992326][ T8395] Oops: general protection fault, probably for non-canonical address 0xee405ba719094d20: 0000 [#1] SMP KASAN | [ 950.992846][ T8395] KASAN: maybe wild-memory-access in range [0x7202fd38c84a6900-0x7202fd38c84a6907] [ 950.993553][ T8395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 950.993802][ T8395] RIP: 0010:bond_fill_info (drivers/net/bonding/bond_netlink.c:733) [ 950.994021][ T8395] Code: 5d 08 41 b9 08 00 00 00 48 8d ac 24 ee 00 00 00 45 31 f6 41 29 d9 4d 63 c6 49 83 f8 05 0f 87 98 0f 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 14 20 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 All code ======== 0: 5d pop %rbp 1: 08 41 b9 or %al,-0x47(%rcx) 4: 08 00 or %al,(%rax) 6: 00 00 add %al,(%rax) 8: 48 8d ac 24 ee 00 00 lea 0xee(%rsp),%rbp f: 00 10: 45 31 f6 xor %r14d,%r14d 13: 41 29 d9 sub %ebx,%r9d 16: 4d 63 c6 movslq %r14d,%r8 19: 49 83 f8 05 cmp $0x5,%r8 1d: 0f 87 98 0f 00 00 ja 0xfbb 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax 2a:* 42 0f b6 14 20 movzbl (%rax,%r12,1),%edx <-- trapping instruction 2f: 48 89 d8 mov %rbx,%rax 32: 83 e0 07 and $0x7,%eax 35: 83 c0 01 add $0x1,%eax 38: 38 d0 cmp %dl,%al 3a: 7c 08 jl 0x44 3c: 84 d2 test %dl,%dl 3e: 0f .byte 0xf 3f: 85 .byte 0x85 Code starting with the faulting instruction =========================================== 0: 42 0f b6 14 20 movzbl (%rax,%r12,1),%edx 5: 48 89 d8 mov %rbx,%rax 8: 83 e0 07 and $0x7,%eax b: 83 c0 01 add $0x1,%eax e: 38 d0 cmp %dl,%al 10: 7c 08 jl 0x1a 12: 84 d2 test %dl,%dl 14: 0f .byte 0xf 15: 85 .byte 0x85 [ 950.994727][ T8395] RSP: 0018:ffffc900054a6db8 EFLAGS: 00010202 [ 950.994986][ T8395] RAX: 0e405fa719094d20 RBX: 7202fd38c84a6900 RCX: 0000000000000000 [ 950.995289][ T8395] RDX: 0000000000000004 RSI: 0000000000000000 RDI: ffff888010142ef0 [ 950.995591][ T8395] RBP: ffffc900054a6ea6 R08: 0000000000000000 R09: 0000000037b59708 [ 950.995892][ T8395] R10: 0000000000000000 R11: ffffffff8496ff00 R12: dffffc0000000000 [ 950.996191][ T8395] R13: ffff888010142ee8 R14: 0000000000000000 R15: 0000000000000000 [ 950.996497][ T8395] FS: 00007f4fd7ad6800(0000) GS:ffff8880b06ac000(0000) knlGS:0000000000000000 [ 950.996847][ T8395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 950.997100][ T8395] CR2: 00000000004e5a38 CR3: 000000000f5d7001 CR4: 0000000000772ef0 [ 950.997413][ T8395] PKRU: 55555554 [ 950.997561][ T8395] Call Trace: [ 950.997725][ T8395] [ 950.997833][ T8395] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 950.998041][ T8395] ? bond_slave_changelink (drivers/net/bonding/bond_netlink.c:677) [ 950.998240][ T8395] ? rtnl_xdp_prog_skb (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:1696) [ 950.998439][ T8395] ? __lock_release (kernel/locking/lockdep.c:5536) [ 950.998644][ T8395] ? nla_put (lib/nlattr.c:1100) [ 950.998800][ T8395] ? rtnl_xdp_fill (net/core/rtnetlink.c:1762) [ 950.999000][ T8395] ? nla_put (lib/nlattr.c:1100) [ 950.999151][ T8395] rtnl_link_fill (net/core/rtnetlink.c:901 net/core/rtnetlink.c:921) [ 950.999353][ T8395] rtnl_fill_ifinfo.constprop.0 (net/core/rtnetlink.c:2139) [ 950.999602][ T8395] ? rtnl_fill_vf (net/core/rtnetlink.c:2021) [ 950.999801][ T8395] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 951.000056][ T8395] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 21)) [ 951.000265][ T8395] ? __kmalloc_node_track_caller_noprof (mm/slub.c:4397) [ 951.000516][ T8395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 951.000719][ T8395] ? __alloc_skb (net/core/skbuff.c:670) [ 951.000921][ T8395] ? __build_skb_around (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 net/core/skbuff.c:383 net/core/skbuff.c:440) [ 951.001123][ T8395] ? __alloc_skb (net/core/skbuff.c:686) [ 951.001325][ T8395] ? napi_skb_cache_get (net/core/skbuff.c:643) [ 951.001522][ T8395] ? rtnl_prop_list_size (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:1233) [ 951.001722][ T8395] rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4409) [ 951.001920][ T8395] rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4444) [ 951.002119][ T8395] rtmsg_ifinfo (net/core/rtnetlink.c:4453 net/core/rtnetlink.c:4451) [ 951.002274][ T8395] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 951.002520][ T8395] __dev_notify_flags (net/core/dev.c:9675) [ 951.002719][ T8395] ? debug_object_activate (lib/debugobjects.c:732) [ 951.002918][ T8395] ? netif_change_name (net/core/dev.c:9668) [ 951.003121][ T8395] ? __queue_work (kernel/workqueue.c:2481) [ 951.003326][ T8395] ? __queue_work (kernel/workqueue.c:2481) [ 951.003525][ T8395] ? lockdep_init_map_type (kernel/locking/lockdep.c:4973) [ 951.003729][ T8395] rtnl_configure_link (net/core/rtnetlink.c:3600) [ 951.003931][ T8395] rtnl_newlink_create (net/core/rtnetlink.c:3844) [ 951.004133][ T8395] ? rtnl_create_link (net/core/rtnetlink.c:3799) [ 951.004328][ T8395] ? __dev_get_by_name (net/core/dev.c:865) [ 951.004534][ T8395] ? rtnl_dev_get (net/core/rtnetlink.c:3412) [ 951.004729][ T8395] ? rtnl_validate_mdb_entry_del_bulk (net/core/rtnetlink.c:3412) [ 951.004985][ T8395] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4064) [ 951.005181][ T8395] ? reacquire_held_locks (kernel/locking/lockdep.c:5385) [ 951.005385][ T8395] __rtnl_newlink (net/core/rtnetlink.c:3950) [ 951.005588][ T8395] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4066) [ 951.005791][ T8395] ? __rtnl_newlink (net/core/rtnetlink.c:3956) [ 951.006000][ T8395] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6952) [ 951.006195][ T8395] ? __lock_release (kernel/locking/lockdep.c:5536) [ 951.006391][ T8395] ? __rtnl_newlink (net/core/rtnetlink.c:3956) [ 951.006589][ T8395] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) [ 951.006785][ T8395] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 951.006983][ T8395] ? rtnl_port_fill (net/core/rtnetlink.c:6857) [ 951.007182][ T8395] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 951.007383][ T8395] netlink_rcv_skb (net/netlink/af_netlink.c:2552) [ 951.007585][ T8395] ? rtnl_port_fill (net/core/rtnetlink.c:6857) [ 951.007817][ T8395] ? netlink_ack (net/netlink/af_netlink.c:2529) [ 951.008019][ T8395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 951.008219][ T8395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 951.008420][ T8395] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 951.008618][ T8395] ? netlink_attachskb (net/netlink/af_netlink.c:1331) [ 951.008815][ T8395] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 951.009013][ T8395] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 951.009214][ T8395] ? netlink_unicast (net/netlink/af_netlink.c:1815) [ 951.009410][ T8395] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 951.009609][ T8395] ? netlink_unicast (net/netlink/af_netlink.c:1815) [ 951.009804][ T8395] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2627) [ 951.010003][ T8395] ? get_timestamp.constprop.0 (net/socket.c:2573) [ 951.010249][ T8395] ? __copy_msghdr (net/socket.c:2553) [ 951.010448][ T8395] ___sys_sendmsg (net/socket.c:2683) [ 951.010644][ T8395] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 951.010847][ T8395] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3125) [ 951.011093][ T8395] ? copy_msghdr_from_user (net/socket.c:2670) [ 951.011289][ T8395] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 951.011489][ T8395] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 951.011802][ T8395] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 951.012000][ T8395] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2172 arch/x86/mm/physaddr.c:65) [ 951.012199][ T8395] ? __lock_release (kernel/locking/lockdep.c:5536) [ 951.012399][ T8395] __sys_sendmsg (net/socket.c:2713) [ 951.012702][ T8395] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148) [ 951.012949][ T8395] ? __sys_sendmsg_sock (net/socket.c:2698) [ 951.013145][ T8395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 951.013338][ T8395] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 951.013642][ T8395] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 951.013886][ T8395] RIP: 0033:0x7f4fd7ca41d7 [ 951.014093][ T8395] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 951.014899][ T8395] RSP: 002b:00007ffd45c38758 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 951.015197][ T8395] RAX: ffffffffffffffda RBX: 00007ffd45c38e90 RCX: 00007f4fd7ca41d7 [ 951.015609][ T8395] RDX: 0000000000000000 RSI: 00007ffd45c387c0 RDI: 0000000000000005 [ 951.015905][ T8395] RBP: 000000000000000a R08: 0000000000000068 R09: 0000000000000000 [ 951.016310][ T8395] R10: 00007f4fd7d32ac0 R11: 0000000000000246 R12: 00007ffd45c38ea8 Finger prints: bond_fill_info:rtnl_link_fill:rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags