====================================== | [ 87.670012][ T1268] #0: ffffffffb800d048 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4063) | [ 87.670346][ T1268] #1: ffffffffb775b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:901 net/core/dev.c:4555) | [ 87.670814][ T1268] | [ 87.670814][ T1268] stack backtrace: [ 87.671037][ T1268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 87.671039][ T1268] Call Trace: [ 87.671041][ T1268] [ 87.671044][ T1268] dump_stack_lvl (lib/dump_stack.c:123) [ 87.671050][ T1268] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) [ 87.671062][ T1268] dev_hard_start_xmit (./include/net/net_namespace.h:418 ./include/linux/netdevice.h:2695 net/core/dev.c:2466 net/core/dev.c:3772 net/core/dev.c:3793) [ 87.671073][ T1268] __dev_queue_xmit (net/core/dev.h:340 net/core/dev.c:4631) [ 87.671088][ T1268] ? __pfx___dev_queue_xmit (net/core/dev.c:4538) [ 87.671095][ T1268] ? __alloc_skb (net/core/skbuff.c:685) [ 87.671101][ T1268] ? __pfx___alloc_skb (net/core/skbuff.c:642) [ 87.671108][ T1268] ? __lock_release (kernel/locking/lockdep.c:5527) [ 87.671111][ T1268] ? add_device_randomness (drivers/char/random.c:942) [ 87.671116][ T1268] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 87.671124][ T1268] ? __netdev_alloc_skb (net/core/skbuff.c:733) [ 87.671133][ T1268] alb_send_lp_vid (drivers/net/bonding/bond_alb.c:921) [ 87.671141][ T1268] ? __pfx_alb_send_lp_vid (drivers/net/bonding/bond_alb.c:921) [ 87.671150][ T1268] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) [ 87.671163][ T1268] alb_send_learning_packets (./include/linux/rcupdate.h:847 drivers/net/bonding/bond_alb.c:1017) [ 87.671168][ T1268] ? __pfx_alb_send_learning_packets (drivers/net/bonding/bond_alb.c:1000) [ 87.671178][ T1268] ? __pfx_alb_swap_mac_addr (drivers/net/bonding/bond_alb.c:1050) [ 87.671187][ T1268] alb_fasten_mac_swap (drivers/net/bonding/bond_alb.c:1077) [ 87.671195][ T1268] bond_alb_handle_active_change (drivers/net/bonding/bond_alb.c:1718) [ 87.671204][ T1268] ? __pfx_bond_alb_handle_active_change (drivers/net/bonding/bond_alb.c:1718) [ 87.671209][ T1268] ? __netdev_printk (./include/linux/netdevice.h:5469 net/core/dev.c:12394) [ 87.671211][ T1268] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 87.671222][ T1268] ? netdev_info (net/core/dev.c:12441) [ 87.671225][ T1268] ? __pfx_netdev_info (net/core/dev.c:12441) [ 87.671230][ T1268] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 87.671238][ T1268] ? __lock_release (kernel/locking/lockdep.c:5527) [ 87.671240][ T1268] ? linkwatch_fire_event (net/core/link_watch.c:134 net/core/link_watch.c:296) [ 87.671253][ T1268] bond_change_active_slave (drivers/net/bonding/bond_main.c:1318) [ 87.671260][ T1268] ? __pfx_bond_change_active_slave (drivers/net/bonding/bond_main.c:1275) [ 87.671265][ T1268] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) [ 87.671276][ T1268] bond_select_active_slave (drivers/net/bonding/bond_main.c:1398) [ 87.671280][ T1268] ? bond_set_carrier (drivers/net/bonding/bond_main.c:776) [ 87.671283][ T1268] ? __pfx_netdev_lower_state_changed (net/core/dev.c:9126) [ 87.671288][ T1268] ? __pfx_bond_select_active_slave (drivers/net/bonding/bond_main.c:1389) [ 87.671295][ T1268] ? sysfs_create_files (./include/linux/sysfs.h:788 (discriminator 4) fs/sysfs/file.c:390 (discriminator 4)) [ 87.671305][ T1268] bond_enslave (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:592 ./include/net/bonding.h:103 drivers/net/bonding/bond_main.c:2362) [ 87.671323][ T1268] ? __pfx_bond_enslave (drivers/net/bonding/bond_main.c:1953) [ 87.671327][ T1268] ? __lock_release (kernel/locking/lockdep.c:5527) [ 87.671329][ T1268] ? is_bpf_text_address (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 kernel/bpf/core.c:774) [ 87.671336][ T1268] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 87.671339][ T1268] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 87.671351][ T1268] ? is_bpf_text_address (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 kernel/bpf/core.c:774) [ 87.671358][ T1268] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 87.671362][ T1268] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) [ 87.671369][ T1268] ? __kernel_text_address (kernel/extable.c:79) [ 87.671374][ T1268] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 87.671379][ T1268] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 87.671392][ T1268] do_set_master (net/core/rtnetlink.c:2945) [ 87.671400][ T1268] do_setlink.constprop.0 (net/core/rtnetlink.c:3158) [ 87.671409][ T1268] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3018) [ 87.671416][ T1268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) [ 87.671419][ T1268] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4063) [ 87.671423][ T1268] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3964) [ 87.671426][ T1268] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) [ 87.671430][ T1268] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:104) [ 87.671436][ T1268] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79) [ 87.671443][ T1268] ? lock_acquire (kernel/locking/lockdep.c:5824) [ 87.671448][ T1268] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 87.671453][ T1268] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:730) [ 87.671461][ T1268] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 87.671465][ T1268] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4063) [ 87.671470][ T1268] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) [ 87.671472][ T1268] ? __pfx_validate_nla (lib/nlattr.c:396) [ 87.671480][ T1268] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 87.671486][ T1268] ? __rtnl_newlink (net/core/rtnetlink.c:3914) [ 87.671499][ T1268] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4065) [ 87.671510][ T1268] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3955) [ 87.671512][ T1268] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 87.671522][ T1268] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 87.671525][ T1268] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 87.671537][ T1268] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) [ 87.671541][ T1268] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3955) [ 87.671546][ T1268] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) [ 87.671553][ T1268] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) [ 87.671556][ T1268] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:230) [ 87.671560][ T1268] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [ 87.671569][ T1268] ? __lock_acquire (kernel/locking/lockdep.c:5228) [ 87.671577][ T1268] netlink_rcv_skb (net/netlink/af_netlink.c:2534) [ 87.671581][ T1268] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) [ 87.671588][ T1268] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) [ 87.671609][ T1268] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 87.671614][ T1268] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 87.671622][ T1268] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) [ 87.671630][ T1268] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) [ 87.671635][ T1268] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 87.671645][ T1268] netlink_sendmsg (net/netlink/af_netlink.c:1883) [ 87.671655][ T1268] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) [ 87.671671][ T1268] ____sys_sendmsg (net/socket.c:709 net/socket.c:724 net/socket.c:2563) [ 87.671677][ T1268] ? __pfx_____sys_sendmsg (net/socket.c:2509) [ 87.671680][ T1268] ? __pfx_copy_msghdr_from_user (net/socket.c:2489) [ 87.671698][ T1268] ___sys_sendmsg (net/socket.c:2619) [ 87.671705][ T1268] ? __pfx____sys_sendmsg (net/socket.c:2606) [ 87.671714][ T1268] ? kasan_save_stack (mm/kasan/common.c:49) [ 87.671717][ T1268] ? kasan_save_stack (mm/kasan/common.c:48) [ 87.671720][ T1268] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 87.671724][ T1268] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:87 ./arch/x86/include/asm/irqflags.h:123 kernel/rcu/tree.c:3067) [ 87.671727][ T1268] ? __x64_sys_close (fs/open.c:1583 fs/open.c:1565 fs/open.c:1565) [ 87.671730][ T1268] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 87.671734][ T1268] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 87.671738][ T1268] ? __lock_acquire (kernel/locking/lockdep.c:5228) [ 87.671742][ T1268] ? lock_downgrade (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5755) [ 87.671750][ T1268] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 87.671755][ T1268] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 87.671762][ T1268] ? __lock_release (kernel/locking/lockdep.c:5527) [ 87.671764][ T1268] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2077 arch/x86/mm/physaddr.c:65) [ 87.671769][ T1268] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 87.671772][ T1268] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 87.671781][ T1268] __sys_sendmsg (net/socket.c:2649) [ 87.671785][ T1268] ? __pfx___sys_sendmsg (net/socket.c:2634) [ 87.671809][ T1268] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 87.671815][ T1268] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 87.671818][ T1268] RIP: 0033:0x7f685ac529a7 [ 87.671822][ T1268] Code: 0a 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: 0a 00 or (%rax),%al 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 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) [ 87.671825][ T1268] RSP: 002b:00007ffcaf0057b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 87.671828][ T1268] RAX: ffffffffffffffda RBX: 00007ffcaf005ef0 RCX: 00007f685ac529a7 [ 87.671830][ T1268] RDX: 0000000000000000 RSI: 00007ffcaf005820 RDI: 0000000000000005 [ 87.671832][ T1268] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 87.671833][ T1268] R10: 000000002af40910 R11: 0000000000000246 R12: 0000000000000003 Finger prints: lockdep_rcu_suspicious:dev_hard_start_xmit:__dev_queue_xmit:alb_send_lp_vid:alb_send_learning_packets