====================================== | [ 93.360753][ T1224] #0: ffffffffba00d048 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4063) | [ 93.361126][ T1224] #1: ffffffffb975b5c0 (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) | [ 93.361480][ T1224] | [ 93.361480][ T1224] stack backtrace: [ 93.361742][ T1224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 93.361744][ T1224] Call Trace: [ 93.361746][ T1224] [ 93.361749][ T1224] dump_stack_lvl (lib/dump_stack.c:123) [ 93.361755][ T1224] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) [ 93.361767][ T1224] 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) [ 93.361778][ T1224] __dev_queue_xmit (net/core/dev.h:340 net/core/dev.c:4631) [ 93.361794][ T1224] ? __pfx___dev_queue_xmit (net/core/dev.c:4538) [ 93.361800][ T1224] ? __alloc_skb (net/core/skbuff.c:685) [ 93.361806][ T1224] ? __pfx___alloc_skb (net/core/skbuff.c:642) [ 93.361813][ T1224] ? __lock_release (kernel/locking/lockdep.c:5527) [ 93.361816][ T1224] ? add_device_randomness (drivers/char/random.c:942) [ 93.361821][ T1224] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 93.361829][ T1224] ? __netdev_alloc_skb (net/core/skbuff.c:733) [ 93.361838][ T1224] alb_send_lp_vid (drivers/net/bonding/bond_alb.c:921) [ 93.361846][ T1224] ? __pfx_alb_send_lp_vid (drivers/net/bonding/bond_alb.c:921) [ 93.361855][ T1224] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) [ 93.361868][ T1224] alb_send_learning_packets (./include/linux/rcupdate.h:847 drivers/net/bonding/bond_alb.c:1017) [ 93.361874][ T1224] ? __pfx_alb_send_learning_packets (drivers/net/bonding/bond_alb.c:1000) [ 93.361883][ T1224] ? __pfx_alb_swap_mac_addr (drivers/net/bonding/bond_alb.c:1050) [ 93.361893][ T1224] alb_fasten_mac_swap (drivers/net/bonding/bond_alb.c:1077) [ 93.361900][ T1224] bond_alb_handle_active_change (drivers/net/bonding/bond_alb.c:1718) [ 93.361911][ T1224] ? __pfx_bond_alb_handle_active_change (drivers/net/bonding/bond_alb.c:1718) [ 93.361920][ T1224] ? __netdev_printk (./include/linux/netdevice.h:5469 net/core/dev.c:12394) [ 93.361924][ T1224] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 93.361938][ T1224] ? netdev_info (net/core/dev.c:12441) [ 93.361942][ T1224] ? __pfx_netdev_info (net/core/dev.c:12441) [ 93.361947][ T1224] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 93.361954][ T1224] ? __lock_release (kernel/locking/lockdep.c:5527) [ 93.361957][ T1224] ? linkwatch_fire_event (net/core/link_watch.c:134 net/core/link_watch.c:296) [ 93.361970][ T1224] bond_change_active_slave (drivers/net/bonding/bond_main.c:1318) [ 93.361978][ T1224] ? __pfx_bond_change_active_slave (drivers/net/bonding/bond_main.c:1275) [ 93.361982][ T1224] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) [ 93.361994][ T1224] bond_select_active_slave (drivers/net/bonding/bond_main.c:1398) [ 93.361998][ T1224] ? bond_set_carrier (drivers/net/bonding/bond_main.c:776) [ 93.362001][ T1224] ? __pfx_netdev_lower_state_changed (net/core/dev.c:9126) [ 93.362005][ T1224] ? __pfx_bond_select_active_slave (drivers/net/bonding/bond_main.c:1389) [ 93.362012][ T1224] ? sysfs_create_files (./include/linux/sysfs.h:788 (discriminator 4) fs/sysfs/file.c:390 (discriminator 4)) [ 93.362022][ T1224] 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) [ 93.362041][ T1224] ? __pfx_bond_enslave (drivers/net/bonding/bond_main.c:1953) [ 93.362044][ T1224] ? __lock_release (kernel/locking/lockdep.c:5527) [ 93.362046][ T1224] ? is_bpf_text_address (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 kernel/bpf/core.c:774) [ 93.362053][ T1224] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 93.362058][ T1224] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 93.362070][ T1224] ? is_bpf_text_address (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 kernel/bpf/core.c:774) [ 93.362077][ T1224] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 93.362080][ T1224] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) [ 93.362087][ T1224] ? __kernel_text_address (kernel/extable.c:79) [ 93.362092][ T1224] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 93.362097][ T1224] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 93.362110][ T1224] do_set_master (net/core/rtnetlink.c:2945) [ 93.362118][ T1224] do_setlink.constprop.0 (net/core/rtnetlink.c:3158) [ 93.362127][ T1224] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3018) [ 93.362135][ T1224] ? lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) [ 93.362141][ T1224] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4063) [ 93.362149][ T1224] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3964) [ 93.362153][ T1224] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) [ 93.362160][ T1224] ? __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) [ 93.362165][ T1224] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79) [ 93.362172][ T1224] ? lock_acquire (kernel/locking/lockdep.c:5824) [ 93.362177][ T1224] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 93.362182][ T1224] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:730) [ 93.362189][ T1224] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 93.362192][ T1224] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4063) [ 93.362198][ T1224] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) [ 93.362200][ T1224] ? __pfx_validate_nla (lib/nlattr.c:396) [ 93.362207][ T1224] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 93.362213][ T1224] ? __rtnl_newlink (net/core/rtnetlink.c:3914) [ 93.362226][ T1224] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4065) [ 93.362237][ T1224] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3955) [ 93.362240][ T1224] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 93.362249][ T1224] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 93.362252][ T1224] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 93.362264][ T1224] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) [ 93.362269][ T1224] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3955) [ 93.362273][ T1224] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) [ 93.362280][ T1224] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) [ 93.362284][ T1224] ? 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) [ 93.362288][ T1224] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [ 93.362297][ T1224] ? __lock_acquire (kernel/locking/lockdep.c:5228) [ 93.362304][ T1224] netlink_rcv_skb (net/netlink/af_netlink.c:2534) [ 93.362308][ T1224] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) [ 93.362315][ T1224] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) [ 93.362336][ T1224] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 93.362342][ T1224] ? 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) [ 93.362349][ T1224] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) [ 93.362360][ T1224] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) [ 93.362368][ T1224] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 93.362384][ T1224] netlink_sendmsg (net/netlink/af_netlink.c:1883) [ 93.362393][ T1224] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) [ 93.362410][ T1224] ____sys_sendmsg (net/socket.c:709 net/socket.c:724 net/socket.c:2563) [ 93.362416][ T1224] ? __pfx_____sys_sendmsg (net/socket.c:2509) [ 93.362419][ T1224] ? __pfx_copy_msghdr_from_user (net/socket.c:2489) [ 93.362437][ T1224] ___sys_sendmsg (net/socket.c:2619) [ 93.362445][ T1224] ? __pfx____sys_sendmsg (net/socket.c:2606) [ 93.362453][ T1224] ? kasan_save_stack (mm/kasan/common.c:49) [ 93.362456][ T1224] ? kasan_save_stack (mm/kasan/common.c:48) [ 93.362459][ T1224] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 93.362462][ T1224] ? __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) [ 93.362465][ T1224] ? __x64_sys_close (fs/open.c:1583 fs/open.c:1565 fs/open.c:1565) [ 93.362468][ T1224] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 93.362471][ T1224] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 93.362474][ T1224] ? __lock_acquire (kernel/locking/lockdep.c:5228) [ 93.362479][ T1224] ? lock_downgrade (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5755) [ 93.362486][ T1224] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 93.362492][ T1224] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 93.362499][ T1224] ? __lock_release (kernel/locking/lockdep.c:5527) [ 93.362501][ T1224] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2077 arch/x86/mm/physaddr.c:65) [ 93.362505][ T1224] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 93.362508][ T1224] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 93.362518][ T1224] __sys_sendmsg (net/socket.c:2649) [ 93.362522][ T1224] ? __pfx___sys_sendmsg (net/socket.c:2634) [ 93.362546][ T1224] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 93.362552][ T1224] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 93.362555][ T1224] RIP: 0033:0x7f6699fc09a7 [ 93.362560][ T1224] 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) [ 93.362563][ T1224] RSP: 002b:00007ffd40513fc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 93.362567][ T1224] RAX: ffffffffffffffda RBX: 00007ffd40514700 RCX: 00007f6699fc09a7 [ 93.362569][ T1224] RDX: 0000000000000000 RSI: 00007ffd40514030 RDI: 0000000000000005 [ 93.362571][ T1224] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 93.362572][ T1224] R10: 0000000017911910 R11: 0000000000000246 R12: 0000000000000003 Finger prints: lockdep_rcu_suspicious:dev_hard_start_xmit:__dev_queue_xmit:alb_send_lp_vid:alb_send_learning_packets