====================================== | [ 89.651854][ T1240] #0: ffffffffaf20d048 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4063) | [ 89.652258][ T1240] #1: ffffffffae95b5c0 (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) | [ 89.652606][ T1240] | [ 89.652606][ T1240] stack backtrace: [ 89.652850][ T1240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 89.652853][ T1240] Call Trace: [ 89.652855][ T1240] [ 89.652858][ T1240] dump_stack_lvl (lib/dump_stack.c:123) [ 89.652867][ T1240] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) [ 89.652880][ T1240] 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) [ 89.652892][ T1240] __dev_queue_xmit (net/core/dev.h:340 net/core/dev.c:4631) [ 89.652907][ T1240] ? __pfx___dev_queue_xmit (net/core/dev.c:4538) [ 89.652913][ T1240] ? __alloc_skb (net/core/skbuff.c:685) [ 89.652922][ T1240] ? __pfx___alloc_skb (net/core/skbuff.c:642) [ 89.652929][ T1240] ? __lock_release (kernel/locking/lockdep.c:5527) [ 89.652932][ T1240] ? add_device_randomness (drivers/char/random.c:942) [ 89.652938][ T1240] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 89.652947][ T1240] ? __netdev_alloc_skb (net/core/skbuff.c:733) [ 89.652955][ T1240] alb_send_lp_vid (drivers/net/bonding/bond_alb.c:921) [ 89.652965][ T1240] ? __pfx_alb_send_lp_vid (drivers/net/bonding/bond_alb.c:921) [ 89.652975][ T1240] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) [ 89.652990][ T1240] alb_send_learning_packets (./include/linux/rcupdate.h:847 drivers/net/bonding/bond_alb.c:1017) [ 89.652996][ T1240] ? __pfx_alb_send_learning_packets (drivers/net/bonding/bond_alb.c:1000) [ 89.653005][ T1240] ? __pfx_alb_swap_mac_addr (drivers/net/bonding/bond_alb.c:1050) [ 89.653015][ T1240] alb_fasten_mac_swap (drivers/net/bonding/bond_alb.c:1077) [ 89.653023][ T1240] bond_alb_handle_active_change (drivers/net/bonding/bond_alb.c:1718) [ 89.653033][ T1240] ? __pfx_bond_alb_handle_active_change (drivers/net/bonding/bond_alb.c:1718) [ 89.653038][ T1240] ? __netdev_printk (./include/linux/netdevice.h:5469 net/core/dev.c:12394) [ 89.653040][ T1240] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 89.653051][ T1240] ? netdev_info (net/core/dev.c:12441) [ 89.653055][ T1240] ? __pfx_netdev_info (net/core/dev.c:12441) [ 89.653061][ T1240] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 89.653068][ T1240] ? __lock_release (kernel/locking/lockdep.c:5527) [ 89.653071][ T1240] ? linkwatch_fire_event (net/core/link_watch.c:134 net/core/link_watch.c:296) [ 89.653085][ T1240] bond_change_active_slave (drivers/net/bonding/bond_main.c:1323) [ 89.653094][ T1240] ? __pfx_bond_change_active_slave (drivers/net/bonding/bond_main.c:1280) [ 89.653098][ T1240] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) [ 89.653109][ T1240] bond_select_active_slave (drivers/net/bonding/bond_main.c:1403) [ 89.653114][ T1240] ? bond_set_carrier (drivers/net/bonding/bond_main.c:776) [ 89.653118][ T1240] ? __pfx_netdev_lower_state_changed (net/core/dev.c:9126) [ 89.653127][ T1240] ? __pfx_bond_select_active_slave (drivers/net/bonding/bond_main.c:1394) [ 89.653138][ T1240] ? sysfs_create_files (./include/linux/sysfs.h:788 (discriminator 4) fs/sysfs/file.c:390 (discriminator 4)) [ 89.653154][ T1240] 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:2367) [ 89.653173][ T1240] ? __pfx_bond_enslave (drivers/net/bonding/bond_main.c:1958) [ 89.653176][ T1240] ? __lock_release (kernel/locking/lockdep.c:5527) [ 89.653179][ T1240] ? is_bpf_text_address (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 kernel/bpf/core.c:774) [ 89.653188][ T1240] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 89.653191][ T1240] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 89.653204][ T1240] ? is_bpf_text_address (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 kernel/bpf/core.c:774) [ 89.653212][ T1240] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 89.653217][ T1240] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) [ 89.653223][ T1240] ? __kernel_text_address (kernel/extable.c:79) [ 89.653230][ T1240] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 89.653236][ T1240] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 89.653250][ T1240] do_set_master (net/core/rtnetlink.c:2945) [ 89.653259][ T1240] do_setlink.constprop.0 (net/core/rtnetlink.c:3158) [ 89.653269][ T1240] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3018) [ 89.653276][ T1240] ? lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) [ 89.653279][ T1240] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4063) [ 89.653284][ T1240] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3964) [ 89.653286][ T1240] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) [ 89.653291][ T1240] ? __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) [ 89.653297][ T1240] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79) [ 89.653304][ T1240] ? lock_acquire (kernel/locking/lockdep.c:5824) [ 89.653309][ T1240] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 89.653314][ T1240] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:730) [ 89.653323][ T1240] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 89.653326][ T1240] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4063) [ 89.653332][ T1240] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) [ 89.653334][ T1240] ? __pfx_validate_nla (lib/nlattr.c:396) [ 89.653344][ T1240] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 89.653351][ T1240] ? __rtnl_newlink (net/core/rtnetlink.c:3914) [ 89.653365][ T1240] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4065) [ 89.653376][ T1240] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3955) [ 89.653378][ T1240] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 89.653388][ T1240] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 89.653391][ T1240] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 89.653404][ T1240] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) [ 89.653408][ T1240] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3955) [ 89.653413][ T1240] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) [ 89.653420][ T1240] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) [ 89.653424][ T1240] ? 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) [ 89.653427][ T1240] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [ 89.653437][ T1240] ? __lock_acquire (kernel/locking/lockdep.c:5228) [ 89.653445][ T1240] netlink_rcv_skb (net/netlink/af_netlink.c:2534) [ 89.653451][ T1240] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) [ 89.653458][ T1240] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) [ 89.653480][ T1240] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 89.653485][ T1240] ? 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) [ 89.653493][ T1240] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) [ 89.653501][ T1240] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) [ 89.653506][ T1240] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 89.653516][ T1240] netlink_sendmsg (net/netlink/af_netlink.c:1883) [ 89.653526][ T1240] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) [ 89.653542][ T1240] ____sys_sendmsg (net/socket.c:709 net/socket.c:724 net/socket.c:2563) [ 89.653549][ T1240] ? __pfx_____sys_sendmsg (net/socket.c:2509) [ 89.653552][ T1240] ? __pfx_copy_msghdr_from_user (net/socket.c:2489) [ 89.653570][ T1240] ___sys_sendmsg (net/socket.c:2619) [ 89.653577][ T1240] ? __pfx____sys_sendmsg (net/socket.c:2606) [ 89.653586][ T1240] ? kasan_save_stack (mm/kasan/common.c:49) [ 89.653591][ T1240] ? kasan_save_stack (mm/kasan/common.c:48) [ 89.653593][ T1240] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 89.653597][ T1240] ? __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) [ 89.653602][ T1240] ? __x64_sys_close (fs/open.c:1583 fs/open.c:1565 fs/open.c:1565) [ 89.653606][ T1240] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 89.653610][ T1240] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 89.653615][ T1240] ? __lock_acquire (kernel/locking/lockdep.c:5228) [ 89.653619][ T1240] ? lock_downgrade (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5755) [ 89.653627][ T1240] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 89.653632][ T1240] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 89.653639][ T1240] ? __lock_release (kernel/locking/lockdep.c:5527) [ 89.653642][ T1240] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2077 arch/x86/mm/physaddr.c:65) [ 89.653646][ T1240] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 89.653649][ T1240] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 89.653659][ T1240] __sys_sendmsg (net/socket.c:2649) [ 89.653663][ T1240] ? __pfx___sys_sendmsg (net/socket.c:2634) [ 89.653688][ T1240] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 89.653693][ T1240] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 89.653696][ T1240] RIP: 0033:0x7f6650b159a7 [ 89.653701][ T1240] 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) [ 89.653705][ T1240] RSP: 002b:00007fffa4e8a2e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 89.653709][ T1240] RAX: ffffffffffffffda RBX: 00007fffa4e8aa20 RCX: 00007f6650b159a7 [ 89.653711][ T1240] RDX: 0000000000000000 RSI: 00007fffa4e8a350 RDI: 0000000000000005 [ 89.653713][ T1240] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 89.653715][ T1240] R10: 000000002785f910 R11: 0000000000000246 R12: 0000000000000003 Finger prints: lockdep_rcu_suspicious:dev_hard_start_xmit:__dev_queue_xmit:alb_send_lp_vid:alb_send_learning_packets