====================================== | [ 91.219339][ T1221] #0: ffffffff8820d048 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4063) | [ 91.219724][ T1221] #1: ffffffff8795b5c0 (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) | [ 91.220063][ T1221] | [ 91.220063][ T1221] stack backtrace: [ 91.220324][ T1221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 91.220327][ T1221] Call Trace: [ 91.220329][ T1221] [ 91.220332][ T1221] dump_stack_lvl (lib/dump_stack.c:123) [ 91.220340][ T1221] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) [ 91.220354][ T1221] 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) [ 91.220365][ T1221] __dev_queue_xmit (net/core/dev.h:340 net/core/dev.c:4631) [ 91.220381][ T1221] ? __pfx___dev_queue_xmit (net/core/dev.c:4538) [ 91.220387][ T1221] ? __alloc_skb (net/core/skbuff.c:685) [ 91.220394][ T1221] ? __pfx___alloc_skb (net/core/skbuff.c:642) [ 91.220401][ T1221] ? __lock_release (kernel/locking/lockdep.c:5527) [ 91.220404][ T1221] ? add_device_randomness (drivers/char/random.c:942) [ 91.220411][ T1221] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 91.220419][ T1221] ? __netdev_alloc_skb (net/core/skbuff.c:733) [ 91.220428][ T1221] alb_send_lp_vid (drivers/net/bonding/bond_alb.c:921) [ 91.220437][ T1221] ? __pfx_alb_send_lp_vid (drivers/net/bonding/bond_alb.c:921) [ 91.220446][ T1221] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) [ 91.220460][ T1221] alb_send_learning_packets (./include/linux/rcupdate.h:847 drivers/net/bonding/bond_alb.c:1017) [ 91.220466][ T1221] ? __pfx_alb_send_learning_packets (drivers/net/bonding/bond_alb.c:1000) [ 91.220475][ T1221] ? __pfx_alb_swap_mac_addr (drivers/net/bonding/bond_alb.c:1050) [ 91.220485][ T1221] alb_fasten_mac_swap (drivers/net/bonding/bond_alb.c:1077) [ 91.220493][ T1221] bond_alb_handle_active_change (drivers/net/bonding/bond_alb.c:1718) [ 91.220501][ T1221] ? __pfx_bond_alb_handle_active_change (drivers/net/bonding/bond_alb.c:1718) [ 91.220507][ T1221] ? __netdev_printk (./include/linux/netdevice.h:5469 net/core/dev.c:12394) [ 91.220510][ T1221] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 91.220521][ T1221] ? netdev_info (net/core/dev.c:12441) [ 91.220525][ T1221] ? __pfx_netdev_info (net/core/dev.c:12441) [ 91.220530][ T1221] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 91.220538][ T1221] ? __lock_release (kernel/locking/lockdep.c:5527) [ 91.220540][ T1221] ? linkwatch_fire_event (net/core/link_watch.c:134 net/core/link_watch.c:296) [ 91.220555][ T1221] bond_change_active_slave (drivers/net/bonding/bond_main.c:1323) [ 91.220563][ T1221] ? __pfx_bond_change_active_slave (drivers/net/bonding/bond_main.c:1280) [ 91.220567][ T1221] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) [ 91.220578][ T1221] bond_select_active_slave (drivers/net/bonding/bond_main.c:1403) [ 91.220583][ T1221] ? bond_set_carrier (drivers/net/bonding/bond_main.c:776) [ 91.220586][ T1221] ? __pfx_netdev_lower_state_changed (net/core/dev.c:9126) [ 91.220591][ T1221] ? __pfx_bond_select_active_slave (drivers/net/bonding/bond_main.c:1394) [ 91.220598][ T1221] ? sysfs_create_files (./include/linux/sysfs.h:788 (discriminator 4) fs/sysfs/file.c:390 (discriminator 4)) [ 91.220608][ T1221] 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) [ 91.220628][ T1221] ? __pfx_bond_enslave (drivers/net/bonding/bond_main.c:1958) [ 91.220631][ T1221] ? __lock_release (kernel/locking/lockdep.c:5527) [ 91.220633][ T1221] ? is_bpf_text_address (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 kernel/bpf/core.c:774) [ 91.220641][ T1221] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 91.220644][ T1221] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 91.220656][ T1221] ? is_bpf_text_address (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 kernel/bpf/core.c:774) [ 91.220663][ T1221] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 91.220668][ T1221] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) [ 91.220674][ T1221] ? __kernel_text_address (kernel/extable.c:79) [ 91.220681][ T1221] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 91.220686][ T1221] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 91.220701][ T1221] do_set_master (net/core/rtnetlink.c:2945) [ 91.220709][ T1221] do_setlink.constprop.0 (net/core/rtnetlink.c:3158) [ 91.220718][ T1221] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3018) [ 91.220725][ T1221] ? lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) [ 91.220728][ T1221] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4063) [ 91.220733][ T1221] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3964) [ 91.220735][ T1221] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) [ 91.220740][ T1221] ? __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) [ 91.220746][ T1221] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79) [ 91.220753][ T1221] ? lock_acquire (kernel/locking/lockdep.c:5824) [ 91.220758][ T1221] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 91.220764][ T1221] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:730) [ 91.220772][ T1221] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 91.220775][ T1221] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4063) [ 91.220781][ T1221] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) [ 91.220783][ T1221] ? __pfx_validate_nla (lib/nlattr.c:396) [ 91.220793][ T1221] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 91.220801][ T1221] ? __rtnl_newlink (net/core/rtnetlink.c:3914) [ 91.220814][ T1221] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4065) [ 91.220825][ T1221] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3955) [ 91.220827][ T1221] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 91.220837][ T1221] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 91.220840][ T1221] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 91.220852][ T1221] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) [ 91.220857][ T1221] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3955) [ 91.220861][ T1221] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) [ 91.220868][ T1221] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) [ 91.220872][ T1221] ? 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) [ 91.220876][ T1221] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [ 91.220885][ T1221] ? __lock_acquire (kernel/locking/lockdep.c:5228) [ 91.220893][ T1221] netlink_rcv_skb (net/netlink/af_netlink.c:2534) [ 91.220900][ T1221] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) [ 91.220907][ T1221] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) [ 91.220929][ T1221] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 91.220935][ T1221] ? 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) [ 91.220943][ T1221] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) [ 91.220951][ T1221] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) [ 91.220956][ T1221] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 91.220967][ T1221] netlink_sendmsg (net/netlink/af_netlink.c:1883) [ 91.220976][ T1221] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) [ 91.220993][ T1221] ____sys_sendmsg (net/socket.c:709 net/socket.c:724 net/socket.c:2563) [ 91.221000][ T1221] ? __pfx_____sys_sendmsg (net/socket.c:2509) [ 91.221003][ T1221] ? __pfx_copy_msghdr_from_user (net/socket.c:2489) [ 91.221022][ T1221] ___sys_sendmsg (net/socket.c:2619) [ 91.221029][ T1221] ? __pfx____sys_sendmsg (net/socket.c:2606) [ 91.221037][ T1221] ? kasan_save_stack (mm/kasan/common.c:49) [ 91.221042][ T1221] ? kasan_save_stack (mm/kasan/common.c:48) [ 91.221044][ T1221] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 91.221048][ T1221] ? __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) [ 91.221053][ T1221] ? __x64_sys_close (fs/open.c:1583 fs/open.c:1565 fs/open.c:1565) [ 91.221057][ T1221] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 91.221061][ T1221] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 91.221067][ T1221] ? __lock_acquire (kernel/locking/lockdep.c:5228) [ 91.221071][ T1221] ? lock_downgrade (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5755) [ 91.221080][ T1221] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 91.221086][ T1221] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 91.221093][ T1221] ? __lock_release (kernel/locking/lockdep.c:5527) [ 91.221095][ T1221] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2077 arch/x86/mm/physaddr.c:65) [ 91.221100][ T1221] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 91.221103][ T1221] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 91.221113][ T1221] __sys_sendmsg (net/socket.c:2649) [ 91.221117][ T1221] ? __pfx___sys_sendmsg (net/socket.c:2634) [ 91.221142][ T1221] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 91.221147][ T1221] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 91.221150][ T1221] RIP: 0033:0x7f0c7e3259a7 [ 91.221155][ T1221] 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) [ 91.221159][ T1221] RSP: 002b:00007ffdef774418 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 91.221163][ T1221] RAX: ffffffffffffffda RBX: 00007ffdef774b50 RCX: 00007f0c7e3259a7 [ 91.221165][ T1221] RDX: 0000000000000000 RSI: 00007ffdef774480 RDI: 0000000000000005 [ 91.221167][ T1221] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 91.221169][ T1221] R10: 000000000bc16910 R11: 0000000000000246 R12: 0000000000000003 Finger prints: lockdep_rcu_suspicious:dev_hard_start_xmit:__dev_queue_xmit:alb_send_lp_vid:alb_send_learning_packets