====================================== | [ 140.872216][ T1489] #0: ffffffff87beeb48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4047) | [ 140.872485][ T1489] #1: ffff888015682d80 (team->team_lock_key){+.+.}-{4:4}, at: team_add_slave (drivers/net/team/team_core.c:1988) | [ 140.872748][ T1489] | [ 140.872748][ T1489] stack backtrace: [ 140.872934][ T1489] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 140.872936][ T1489] Call Trace: [ 140.872938][ T1489] [ 140.872940][ T1489] dump_stack_lvl (lib/dump_stack.c:123) [ 140.872947][ T1489] print_circular_bug (kernel/locking/lockdep.c:2079) [ 140.872953][ T1489] check_noncircular (kernel/locking/lockdep.c:2208) [ 140.872957][ T1489] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2184) [ 140.872961][ T1489] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 140.872970][ T1489] ? alloc_chain_hlocks (kernel/locking/lockdep.c:3530) [ 140.872976][ T1489] check_prev_add (kernel/locking/lockdep.c:3164) [ 140.872984][ T1489] validate_chain (kernel/locking/lockdep.c:3283 kernel/locking/lockdep.c:3906) [ 140.872991][ T1489] ? stack_depot_save_flags (lib/stackdepot.c:672) [ 140.872999][ T1489] ? __pfx_validate_chain (kernel/locking/lockdep.c:3862) [ 140.873004][ T1489] ? 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) [ 140.873007][ T1489] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [ 140.873011][ T1489] __lock_acquire (kernel/locking/lockdep.c:5228) [ 140.873017][ T1489] lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) [ 140.873021][ T1489] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [ 140.873025][ T1489] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 140.873028][ T1489] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) [ 140.873031][ T1489] ? lock_acquire (kernel/locking/lockdep.c:5824) [ 140.873034][ T1489] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [ 140.873037][ T1489] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:730) [ 140.873040][ T1489] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [ 140.873043][ T1489] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [ 140.873046][ T1489] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) [ 140.873052][ T1489] ? packet_notifier (net/packet/af_packet.c:4281) [ 140.873060][ T1489] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [ 140.873062][ T1489] __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [ 140.873064][ T1489] ? mark_held_locks (kernel/locking/lockdep.c:4323) [ 140.873067][ T1489] ? __pfx___dev_open (net/core/dev.c:1609) [ 140.873070][ T1489] ? trace_percpu_alloc_percpu (./include/trace/events/percpu.h:11 (discriminator 21)) [ 140.873076][ T1489] netif_open (net/core/dev.c:1666) [ 140.873079][ T1489] ? __pfx_netif_open (net/core/dev.c:1660) [ 140.873083][ T1489] dev_open (./include/linux/netdevice.h:2738 ./include/linux/netdevice.h:2755 net/core/dev_api.c:190) [ 140.873087][ T1489] team_port_add (drivers/net/team/team_core.c:1229) [ 140.873092][ T1489] ? __pfx_team_port_add (drivers/net/team/team_core.c:1145) [ 140.873096][ T1489] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 140.873101][ T1489] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) [ 140.873105][ T1489] team_add_slave (drivers/net/team/team_core.c:1989) [ 140.873110][ T1489] do_set_master (net/core/rtnetlink.c:2939) [ 140.873114][ T1489] do_setlink.constprop.0 (net/core/rtnetlink.c:3144) [ 140.873119][ T1489] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3012) [ 140.873122][ T1489] ? lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) [ 140.873125][ T1489] ? rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4047) [ 140.873128][ T1489] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3948) [ 140.873131][ T1489] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6938) [ 140.873134][ T1489] ? __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) [ 140.873138][ T1489] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79) [ 140.873142][ T1489] ? lock_acquire (kernel/locking/lockdep.c:5824) [ 140.873145][ T1489] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 140.873148][ T1489] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:730) [ 140.873151][ T1489] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 140.873155][ T1489] ? rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4047) [ 140.873158][ T1489] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) [ 140.873161][ T1489] ? __pfx_validate_nla (lib/nlattr.c:396) [ 140.873165][ T1489] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 140.873171][ T1489] ? __rtnl_newlink (net/core/rtnetlink.c:3898) [ 140.873175][ T1489] rtnl_newlink (net/core/rtnetlink.c:350 net/core/rtnetlink.c:4049) [ 140.873180][ T1489] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3939) [ 140.873182][ T1489] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 140.873187][ T1489] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 140.873190][ T1489] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 140.873195][ T1489] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6936) [ 140.873199][ T1489] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3939) [ 140.873202][ T1489] rtnetlink_rcv_msg (net/core/rtnetlink.c:6938) [ 140.873205][ T1489] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6841) [ 140.873208][ T1489] ? 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) [ 140.873210][ T1489] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [ 140.873215][ T1489] ? __lock_acquire (kernel/locking/lockdep.c:5228) [ 140.873218][ T1489] netlink_rcv_skb (net/netlink/af_netlink.c:2544) [ 140.873222][ T1489] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6841) [ 140.873226][ T1489] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2521) [ 140.873233][ T1489] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 140.873237][ T1489] ? 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) [ 140.873240][ T1489] netlink_unicast (net/netlink/af_netlink.c:1323 net/netlink/af_netlink.c:1349) [ 140.873245][ T1489] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1334) [ 140.873248][ T1489] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 140.873253][ T1489] netlink_sendmsg (net/netlink/af_netlink.c:1893) [ 140.873257][ T1489] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1812) [ 140.873263][ T1489] ____sys_sendmsg (net/socket.c:718 net/socket.c:733 net/socket.c:2573) [ 140.873267][ T1489] ? __pfx_____sys_sendmsg (net/socket.c:2519) [ 140.873270][ T1489] ? __pfx_copy_msghdr_from_user (net/socket.c:2499) [ 140.873277][ T1489] ___sys_sendmsg (net/socket.c:2629) [ 140.873281][ T1489] ? __pfx____sys_sendmsg (net/socket.c:2616) [ 140.873285][ T1489] ? kasan_save_stack (mm/kasan/common.c:49) [ 140.873289][ T1489] ? kasan_save_stack (mm/kasan/common.c:48) [ 140.873292][ T1489] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 140.873294][ T1489] ? __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) [ 140.873298][ T1489] ? __x64_sys_close (fs/open.c:1583 fs/open.c:1565 fs/open.c:1565) [ 140.873301][ T1489] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 140.873303][ T1489] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 140.873307][ T1489] ? __lock_acquire (kernel/locking/lockdep.c:5228) [ 140.873310][ T1489] ? lock_downgrade (./arch/x86/include/asm/current.h:49 kernel/locking/lockdep.c:122 kernel/locking/lockdep.c:5747) [ 140.873314][ T1489] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 140.873318][ T1489] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 140.873322][ T1489] ? __lock_release (kernel/locking/lockdep.c:5527) [ 140.873325][ T1489] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2077 arch/x86/mm/physaddr.c:65) [ 140.873330][ T1489] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 140.873332][ T1489] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 140.873337][ T1489] __sys_sendmsg (net/socket.c:2659) [ 140.873340][ T1489] ? __pfx___sys_sendmsg (net/socket.c:2644) [ 140.873348][ T1489] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 140.873351][ T1489] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 140.873354][ T1489] RIP: 0033:0x7f4142fde9a7 [ 140.873359][ T1489] 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) [ 140.873362][ T1489] RSP: 002b:00007ffcdb3af3a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 140.873365][ T1489] RAX: ffffffffffffffda RBX: 00007ffcdb3afad0 RCX: 00007f4142fde9a7 [ 140.873367][ T1489] RDX: 0000000000000000 RSI: 00007ffcdb3af410 RDI: 0000000000000005 [ 140.873369][ T1489] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 140.873370][ T1489] R10: 0000000027087910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: print_circular_bug:check_noncircular:check_prev_add:validate_chain:__lock_acquire