====================================== | [1394.813961][T28130] #0: ffffffff9fdeeb48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4047) | [1394.814231][T28130] #1: ffff88801a802d80 (team->team_lock_key){+.+.}-{4:4}, at: team_add_slave (drivers/net/team/team_core.c:1988) | [ 1394.814522][T28130] | [ 1394.814522][T28130] stack backtrace: [ 1394.814713][T28130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1394.814715][T28130] Call Trace: [ 1394.814717][T28130] [1394.814718][T28130] dump_stack_lvl (lib/dump_stack.c:123) [1394.814725][T28130] print_circular_bug (kernel/locking/lockdep.c:2079) [1394.814730][T28130] check_noncircular (kernel/locking/lockdep.c:2208) [1394.814734][T28130] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2184) [1394.814738][T28130] ? find_held_lock (kernel/locking/lockdep.c:5341) [1394.814744][T28130] ? alloc_chain_hlocks (kernel/locking/lockdep.c:3530) [1394.814747][T28130] check_prev_add (kernel/locking/lockdep.c:3164) [1394.814752][T28130] validate_chain (kernel/locking/lockdep.c:3283 kernel/locking/lockdep.c:3906) [1394.814757][T28130] ? stack_depot_save_flags (lib/stackdepot.c:672) [1394.814763][T28130] ? __pfx_validate_chain (kernel/locking/lockdep.c:3862) [1394.814766][T28130] ? 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) [1394.814768][T28130] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [1394.814772][T28130] __lock_acquire (kernel/locking/lockdep.c:5228) [1394.814778][T28130] lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) [1394.814781][T28130] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [1394.814785][T28130] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [1394.814788][T28130] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) [1394.814792][T28130] ? lock_acquire (kernel/locking/lockdep.c:5824) [1394.814794][T28130] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [1394.814797][T28130] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:730) [1394.814800][T28130] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [1394.814803][T28130] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [1394.814805][T28130] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) [1394.814813][T28130] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:66) [1394.814816][T28130] ? rtnl_is_locked (net/core/rtnetlink.c:168) [1394.814821][T28130] ? mirred_device_event (net/sched/act_mirred.c:519) act_mirred [1394.814831][T28130] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [1394.814833][T28130] __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [1394.814835][T28130] ? mark_held_locks (kernel/locking/lockdep.c:4323) [1394.814838][T28130] ? __pfx___dev_open (net/core/dev.c:1609) [1394.814841][T28130] ? trace_percpu_alloc_percpu (./include/trace/events/percpu.h:11 (discriminator 21)) [1394.814847][T28130] netif_open (net/core/dev.c:1666) [1394.814850][T28130] ? __pfx_netif_open (net/core/dev.c:1660) [1394.814854][T28130] dev_open (./include/linux/netdevice.h:2738 ./include/linux/netdevice.h:2755 net/core/dev_api.c:190) [1394.814858][T28130] team_port_add (drivers/net/team/team_core.c:1229) [1394.814863][T28130] ? __pfx_team_port_add (drivers/net/team/team_core.c:1145) [1394.814866][T28130] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [1394.814871][T28130] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) [1394.814875][T28130] team_add_slave (drivers/net/team/team_core.c:1989) [1394.814879][T28130] do_set_master (net/core/rtnetlink.c:2939) [1394.814884][T28130] do_setlink.constprop.0 (net/core/rtnetlink.c:3144) [1394.814889][T28130] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3012) [1394.814893][T28130] ? lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) [1394.814896][T28130] ? rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4047) [1394.814899][T28130] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3948) [1394.814902][T28130] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6938) [1394.814905][T28130] ? __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) [1394.814908][T28130] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79) [1394.814912][T28130] ? lock_acquire (kernel/locking/lockdep.c:5824) [1394.814915][T28130] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [1394.814919][T28130] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:730) [1394.814922][T28130] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [1394.814926][T28130] ? rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4047) [1394.814929][T28130] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) [1394.814931][T28130] ? __pfx_validate_nla (lib/nlattr.c:396) [1394.814936][T28130] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [1394.814942][T28130] ? __rtnl_newlink (net/core/rtnetlink.c:3898) [1394.814947][T28130] rtnl_newlink (net/core/rtnetlink.c:350 net/core/rtnetlink.c:4049) [1394.814951][T28130] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3939) [1394.814954][T28130] ? find_held_lock (kernel/locking/lockdep.c:5341) [1394.814959][T28130] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [1394.814962][T28130] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [1394.814967][T28130] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6936) [1394.814970][T28130] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3939) [1394.814973][T28130] rtnetlink_rcv_msg (net/core/rtnetlink.c:6938) [1394.814976][T28130] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6841) [1394.814979][T28130] ? 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) [1394.814981][T28130] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [1394.814986][T28130] ? __lock_acquire (kernel/locking/lockdep.c:5228) [1394.814990][T28130] netlink_rcv_skb (net/netlink/af_netlink.c:2544) [1394.814993][T28130] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6841) [1394.814996][T28130] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2521) [1394.815004][T28130] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [1394.815007][T28130] ? 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) [1394.815011][T28130] netlink_unicast (net/netlink/af_netlink.c:1323 net/netlink/af_netlink.c:1349) [1394.815015][T28130] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1334) [1394.815018][T28130] ? find_held_lock (kernel/locking/lockdep.c:5341) [1394.815023][T28130] netlink_sendmsg (net/netlink/af_netlink.c:1893) [1394.815028][T28130] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1812) [1394.815034][T28130] ____sys_sendmsg (net/socket.c:718 net/socket.c:733 net/socket.c:2573) [1394.815037][T28130] ? __pfx_____sys_sendmsg (net/socket.c:2519) [1394.815040][T28130] ? __pfx_copy_msghdr_from_user (net/socket.c:2499) [1394.815047][T28130] ___sys_sendmsg (net/socket.c:2629) [1394.815051][T28130] ? __pfx____sys_sendmsg (net/socket.c:2616) [1394.815055][T28130] ? kasan_save_stack (mm/kasan/common.c:49) [1394.815059][T28130] ? kasan_save_stack (mm/kasan/common.c:48) [1394.815062][T28130] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [1394.815065][T28130] ? __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) [1394.815070][T28130] ? __x64_sys_close (fs/open.c:1583 fs/open.c:1565 fs/open.c:1565) [1394.815074][T28130] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [1394.815076][T28130] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [1394.815079][T28130] ? __lock_acquire (kernel/locking/lockdep.c:5228) [1394.815082][T28130] ? lock_downgrade (./arch/x86/include/asm/current.h:49 kernel/locking/lockdep.c:122 kernel/locking/lockdep.c:5747) [1394.815086][T28130] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [1394.815089][T28130] ? find_held_lock (kernel/locking/lockdep.c:5341) [1394.815094][T28130] ? __lock_release (kernel/locking/lockdep.c:5527) [1394.815096][T28130] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2077 arch/x86/mm/physaddr.c:65) [1394.815100][T28130] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [1394.815103][T28130] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [1394.815108][T28130] __sys_sendmsg (net/socket.c:2659) [1394.815111][T28130] ? __pfx___sys_sendmsg (net/socket.c:2644) [1394.815119][T28130] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [1394.815122][T28130] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1394.815125][T28130] RIP: 0033:0x7efd2d8d29a7 [ 1394.815128][T28130] 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) [ 1394.815131][T28130] RSP: 002b:00007fff6e5854a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1394.815134][T28130] RAX: ffffffffffffffda RBX: 00007fff6e585bd0 RCX: 00007efd2d8d29a7 [ 1394.815136][T28130] RDX: 0000000000000000 RSI: 00007fff6e585510 RDI: 0000000000000005 [ 1394.815138][T28130] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 1394.815139][T28130] R10: 0000000005a1e910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: print_circular_bug:check_noncircular:check_prev_add:validate_chain:__lock_acquire