====================================== | [1416.892147][T17906] #0: ffffffff90feeb48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4047) | [1416.892408][T17906] #1: ffff888011552d80 (team->team_lock_key){+.+.}-{4:4}, at: team_add_slave (drivers/net/team/team_core.c:1988) | [ 1416.892672][T17906] | [ 1416.892672][T17906] stack backtrace: [ 1416.892854][T17906] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1416.892856][T17906] Call Trace: [ 1416.892858][T17906] [1416.892860][T17906] dump_stack_lvl (lib/dump_stack.c:123) [1416.892867][T17906] print_circular_bug (kernel/locking/lockdep.c:2079) [1416.892872][T17906] check_noncircular (kernel/locking/lockdep.c:2208) [1416.892876][T17906] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2184) [1416.892879][T17906] ? __pfx_validate_chain (kernel/locking/lockdep.c:3862) [1416.892882][T17906] ? 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) [1416.892884][T17906] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [1416.892889][T17906] ? alloc_chain_hlocks (kernel/locking/lockdep.c:3530) [1416.892891][T17906] ? __lock_acquire (kernel/locking/lockdep.c:5228) [1416.892895][T17906] check_prev_add (kernel/locking/lockdep.c:3164) [1416.892899][T17906] validate_chain (kernel/locking/lockdep.c:3283 kernel/locking/lockdep.c:3906) [1416.892904][T17906] ? 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) [1416.892906][T17906] ? __pfx_validate_chain (kernel/locking/lockdep.c:3862) [1416.892909][T17906] ? 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) [1416.892911][T17906] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [1416.892913][T17906] ? mark_held_locks (kernel/locking/lockdep.c:4323) [1416.892918][T17906] __lock_acquire (kernel/locking/lockdep.c:5228) [1416.892923][T17906] lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) [1416.892926][T17906] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [1416.892930][T17906] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [1416.892933][T17906] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) [1416.892937][T17906] ? lock_acquire (kernel/locking/lockdep.c:5824) [1416.892939][T17906] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [1416.892942][T17906] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:730) [1416.892945][T17906] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [1416.892946][T17906] ? __lock_release (kernel/locking/lockdep.c:5527) [1416.892949][T17906] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [1416.892952][T17906] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [1416.892954][T17906] ? 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) [1416.892957][T17906] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) [1416.892962][T17906] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) [1416.892967][T17906] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [1416.892970][T17906] __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [1416.892972][T17906] ? mark_held_locks (kernel/locking/lockdep.c:4323) [1416.892975][T17906] ? __pfx___dev_open (net/core/dev.c:1609) [1416.892977][T17906] ? trace_percpu_alloc_percpu (./include/trace/events/percpu.h:11 (discriminator 21)) [1416.892983][T17906] netif_open (net/core/dev.c:1666) [1416.892986][T17906] ? __pfx_netif_open (net/core/dev.c:1660) [1416.892990][T17906] dev_open (./include/linux/netdevice.h:2738 ./include/linux/netdevice.h:2755 net/core/dev_api.c:190) [1416.892994][T17906] team_port_add (drivers/net/team/team_core.c:1229) [1416.892999][T17906] ? __pfx_team_port_add (drivers/net/team/team_core.c:1145) [1416.893002][T17906] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [1416.893007][T17906] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) [1416.893011][T17906] team_add_slave (drivers/net/team/team_core.c:1989) [1416.893015][T17906] do_set_master (net/core/rtnetlink.c:2939) [1416.893020][T17906] do_setlink.constprop.0 (net/core/rtnetlink.c:3144) [1416.893024][T17906] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3012) [1416.893028][T17906] ? lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) [1416.893031][T17906] ? rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4047) [1416.893034][T17906] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3948) [1416.893037][T17906] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6938) [1416.893040][T17906] ? __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) [1416.893044][T17906] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79) [1416.893048][T17906] ? lock_acquire (kernel/locking/lockdep.c:5824) [1416.893051][T17906] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [1416.893055][T17906] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:730) [1416.893058][T17906] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [1416.893061][T17906] ? rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4047) [1416.893064][T17906] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) [1416.893066][T17906] ? __pfx_validate_nla (lib/nlattr.c:396) [1416.893072][T17906] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [1416.893078][T17906] ? __rtnl_newlink (net/core/rtnetlink.c:3898) [1416.893082][T17906] rtnl_newlink (net/core/rtnetlink.c:350 net/core/rtnetlink.c:4049) [1416.893087][T17906] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3939) [1416.893089][T17906] ? find_held_lock (kernel/locking/lockdep.c:5341) [1416.893094][T17906] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [1416.893097][T17906] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [1416.893102][T17906] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6936) [1416.893105][T17906] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3939) [1416.893108][T17906] rtnetlink_rcv_msg (net/core/rtnetlink.c:6938) [1416.893112][T17906] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6841) [1416.893115][T17906] ? 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) [1416.893117][T17906] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [1416.893121][T17906] ? __lock_acquire (kernel/locking/lockdep.c:5228) [1416.893125][T17906] netlink_rcv_skb (net/netlink/af_netlink.c:2544) [1416.893128][T17906] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6841) [1416.893132][T17906] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2521) [1416.893139][T17906] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [1416.893143][T17906] ? 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) [1416.893147][T17906] netlink_unicast (net/netlink/af_netlink.c:1323 net/netlink/af_netlink.c:1349) [1416.893151][T17906] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1334) [1416.893154][T17906] ? find_held_lock (kernel/locking/lockdep.c:5341) [1416.893159][T17906] netlink_sendmsg (net/netlink/af_netlink.c:1893) [1416.893163][T17906] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1812) [1416.893169][T17906] ____sys_sendmsg (net/socket.c:718 net/socket.c:733 net/socket.c:2573) [1416.893173][T17906] ? __pfx_____sys_sendmsg (net/socket.c:2519) [1416.893176][T17906] ? __pfx_copy_msghdr_from_user (net/socket.c:2499) [1416.893182][T17906] ___sys_sendmsg (net/socket.c:2629) [1416.893187][T17906] ? __pfx____sys_sendmsg (net/socket.c:2616) [1416.893191][T17906] ? kasan_save_stack (mm/kasan/common.c:49) [1416.893194][T17906] ? kasan_save_stack (mm/kasan/common.c:48) [1416.893197][T17906] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [1416.893200][T17906] ? __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) [1416.893205][T17906] ? __x64_sys_close (fs/open.c:1583 fs/open.c:1565 fs/open.c:1565) [1416.893209][T17906] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [1416.893212][T17906] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [1416.893214][T17906] ? __lock_acquire (kernel/locking/lockdep.c:5228) [1416.893217][T17906] ? lock_downgrade (./arch/x86/include/asm/current.h:49 kernel/locking/lockdep.c:122 kernel/locking/lockdep.c:5747) [1416.893221][T17906] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [1416.893225][T17906] ? find_held_lock (kernel/locking/lockdep.c:5341) [1416.893229][T17906] ? __lock_release (kernel/locking/lockdep.c:5527) [1416.893232][T17906] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2077 arch/x86/mm/physaddr.c:65) [1416.893236][T17906] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [1416.893239][T17906] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [1416.893243][T17906] __sys_sendmsg (net/socket.c:2659) [1416.893247][T17906] ? __pfx___sys_sendmsg (net/socket.c:2644) [1416.893255][T17906] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [1416.893258][T17906] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1416.893260][T17906] RIP: 0033:0x7f6841e579a7 [ 1416.893264][T17906] 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) [ 1416.893267][T17906] RSP: 002b:00007ffecba8d158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1416.893270][T17906] RAX: ffffffffffffffda RBX: 00007ffecba8d880 RCX: 00007f6841e579a7 [ 1416.893272][T17906] RDX: 0000000000000000 RSI: 00007ffecba8d1c0 RDI: 0000000000000005 [ 1416.893274][T17906] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 1416.893275][T17906] R10: 00000000169a5910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: print_circular_bug:check_noncircular:check_prev_add:validate_chain:__lock_acquire