====================================== | [ 85.723322][ T1271] #0: ffffffffbd20d048 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4063) | [ 85.723723][ T1271] #1: ffffffffbc95b5c0 (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) | [ 85.724108][ T1271] | [ 85.724108][ T1271] stack backtrace: [ 85.724408][ T1271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 85.724410][ T1271] Call Trace: [ 85.724413][ T1271] [ 85.724417][ T1271] dump_stack_lvl (lib/dump_stack.c:123) [ 85.724427][ T1271] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) [ 85.724438][ T1271] 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) [ 85.724457][ T1271] __dev_queue_xmit (net/core/dev.h:340 net/core/dev.c:4631) [ 85.724476][ T1271] ? __pfx___dev_queue_xmit (net/core/dev.c:4538) [ 85.724486][ T1271] ? __alloc_skb (net/core/skbuff.c:685) [ 85.724495][ T1271] ? __pfx___alloc_skb (net/core/skbuff.c:642) [ 85.724505][ T1271] ? __lock_release (kernel/locking/lockdep.c:5527) [ 85.724508][ T1271] ? add_device_randomness (drivers/char/random.c:942) [ 85.724513][ T1271] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 85.724521][ T1271] ? __netdev_alloc_skb (net/core/skbuff.c:733) [ 85.724529][ T1271] alb_send_lp_vid (drivers/net/bonding/bond_alb.c:921) [ 85.724537][ T1271] ? __pfx_alb_send_lp_vid (drivers/net/bonding/bond_alb.c:921) [ 85.724547][ T1271] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) [ 85.724569][ T1271] alb_send_learning_packets (./include/linux/rcupdate.h:847 drivers/net/bonding/bond_alb.c:1017) [ 85.724575][ T1271] ? __pfx_alb_send_learning_packets (drivers/net/bonding/bond_alb.c:1000) [ 85.724585][ T1271] ? __pfx_alb_swap_mac_addr (drivers/net/bonding/bond_alb.c:1050) [ 85.724594][ T1271] alb_fasten_mac_swap (drivers/net/bonding/bond_alb.c:1077) [ 85.724602][ T1271] bond_alb_handle_active_change (drivers/net/bonding/bond_alb.c:1718) [ 85.724611][ T1271] ? __pfx_bond_alb_handle_active_change (drivers/net/bonding/bond_alb.c:1718) [ 85.724616][ T1271] ? __netdev_printk (./include/linux/netdevice.h:5469 net/core/dev.c:12394) [ 85.724618][ T1271] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 85.724634][ T1271] ? netdev_info (net/core/dev.c:12441) [ 85.724641][ T1271] ? __pfx_netdev_info (net/core/dev.c:12441) [ 85.724648][ T1271] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 85.724656][ T1271] ? __lock_release (kernel/locking/lockdep.c:5527) [ 85.724658][ T1271] ? linkwatch_fire_event (net/core/link_watch.c:134 net/core/link_watch.c:296) [ 85.724679][ T1271] bond_change_active_slave (drivers/net/bonding/bond_main.c:1318) [ 85.724689][ T1271] ? __pfx_bond_change_active_slave (drivers/net/bonding/bond_main.c:1275) [ 85.724694][ T1271] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) [ 85.724705][ T1271] bond_select_active_slave (drivers/net/bonding/bond_main.c:1398) [ 85.724710][ T1271] ? bond_set_carrier (drivers/net/bonding/bond_main.c:776) [ 85.724712][ T1271] ? __pfx_netdev_lower_state_changed (net/core/dev.c:9126) [ 85.724717][ T1271] ? __pfx_bond_select_active_slave (drivers/net/bonding/bond_main.c:1389) [ 85.724727][ T1271] ? sysfs_create_files (./include/linux/sysfs.h:788 (discriminator 4) fs/sysfs/file.c:390 (discriminator 4)) [ 85.724743][ T1271] 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) [ 85.724762][ T1271] ? __pfx_bond_enslave (drivers/net/bonding/bond_main.c:1953) [ 85.724766][ T1271] ? __lock_release (kernel/locking/lockdep.c:5527) [ 85.724770][ T1271] ? is_bpf_text_address (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 kernel/bpf/core.c:774) [ 85.724780][ T1271] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 85.724786][ T1271] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 85.724798][ T1271] ? is_bpf_text_address (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 kernel/bpf/core.c:774) [ 85.724806][ T1271] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 85.724811][ T1271] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) [ 85.724823][ T1271] ? __kernel_text_address (kernel/extable.c:79) [ 85.724831][ T1271] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 85.724835][ T1271] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 85.724848][ T1271] do_set_master (net/core/rtnetlink.c:2945) [ 85.724861][ T1271] do_setlink.constprop.0 (net/core/rtnetlink.c:3158) [ 85.724877][ T1271] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3018) [ 85.724884][ T1271] ? lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) [ 85.724887][ T1271] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4063) [ 85.724891][ T1271] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3964) [ 85.724893][ T1271] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) [ 85.724898][ T1271] ? __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) [ 85.724908][ T1271] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79) [ 85.724920][ T1271] ? lock_acquire (kernel/locking/lockdep.c:5824) [ 85.724928][ T1271] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 85.724938][ T1271] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:730) [ 85.724949][ T1271] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 85.724953][ T1271] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4063) [ 85.724958][ T1271] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) [ 85.724960][ T1271] ? __pfx_validate_nla (lib/nlattr.c:396) [ 85.724968][ T1271] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 85.724974][ T1271] ? __rtnl_newlink (net/core/rtnetlink.c:3914) [ 85.724987][ T1271] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4065) [ 85.725005][ T1271] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3955) [ 85.725009][ T1271] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 85.725023][ T1271] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 85.725027][ T1271] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 85.725049][ T1271] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) [ 85.725054][ T1271] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3955) [ 85.725059][ T1271] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) [ 85.725065][ T1271] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) [ 85.725069][ T1271] ? 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) [ 85.725075][ T1271] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [ 85.725093][ T1271] ? __lock_acquire (kernel/locking/lockdep.c:5228) [ 85.725101][ T1271] netlink_rcv_skb (net/netlink/af_netlink.c:2534) [ 85.725107][ T1271] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) [ 85.725116][ T1271] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) [ 85.725146][ T1271] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 85.725153][ T1271] ? 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) [ 85.725167][ T1271] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) [ 85.725179][ T1271] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) [ 85.725184][ T1271] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 85.725194][ T1271] netlink_sendmsg (net/netlink/af_netlink.c:1883) [ 85.725209][ T1271] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) [ 85.725231][ T1271] ____sys_sendmsg (net/socket.c:709 net/socket.c:724 net/socket.c:2563) [ 85.725238][ T1271] ? __pfx_____sys_sendmsg (net/socket.c:2509) [ 85.725243][ T1271] ? __pfx_copy_msghdr_from_user (net/socket.c:2489) [ 85.725276][ T1271] ___sys_sendmsg (net/socket.c:2619) [ 85.725288][ T1271] ? __pfx____sys_sendmsg (net/socket.c:2606) [ 85.725297][ T1271] ? kasan_save_stack (mm/kasan/common.c:49) [ 85.725300][ T1271] ? kasan_save_stack (mm/kasan/common.c:48) [ 85.725303][ T1271] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 85.725306][ T1271] ? __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) [ 85.725310][ T1271] ? __x64_sys_close (fs/open.c:1583 fs/open.c:1565 fs/open.c:1565) [ 85.725314][ T1271] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 85.725318][ T1271] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 85.725325][ T1271] ? __lock_acquire (kernel/locking/lockdep.c:5228) [ 85.725332][ T1271] ? lock_downgrade (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5755) [ 85.725340][ T1271] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 85.725346][ T1271] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 85.725353][ T1271] ? __lock_release (kernel/locking/lockdep.c:5527) [ 85.725357][ T1271] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2077 arch/x86/mm/physaddr.c:65) [ 85.725364][ T1271] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 85.725369][ T1271] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 85.725382][ T1271] __sys_sendmsg (net/socket.c:2649) [ 85.725386][ T1271] ? __pfx___sys_sendmsg (net/socket.c:2634) [ 85.725422][ T1271] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 85.725428][ T1271] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 85.725431][ T1271] RIP: 0033:0x7f3e474f09a7 [ 85.725436][ T1271] 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) [ 85.725440][ T1271] RSP: 002b:00007fffcac58958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 85.725445][ T1271] RAX: ffffffffffffffda RBX: 00007fffcac59090 RCX: 00007f3e474f09a7 [ 85.725449][ T1271] RDX: 0000000000000000 RSI: 00007fffcac589c0 RDI: 0000000000000005 [ 85.725452][ T1271] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 85.725454][ T1271] R10: 000000000ef4c910 R11: 0000000000000246 R12: 0000000000000003 Finger prints: lockdep_rcu_suspicious:dev_hard_start_xmit:__dev_queue_xmit:alb_send_lp_vid:alb_send_learning_packets