====================================== | [ 104.720399][ T1155] #0: ffffffffa7beeb48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4047) | [ 104.720689][ T1155] #1: ffff88800faaad80 (team->team_lock_key){+.+.}-{4:4}, at: team_add_slave (drivers/net/team/team_core.c:1988) | [ 104.720981][ T1155] | [ 104.720981][ T1155] stack backtrace: [ 104.721195][ T1155] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 104.721198][ T1155] Call Trace: [ 104.721200][ T1155] [ 104.721202][ T1155] dump_stack_lvl (lib/dump_stack.c:123) [ 104.721211][ T1155] print_circular_bug (kernel/locking/lockdep.c:2079) [ 104.721216][ T1155] check_noncircular (kernel/locking/lockdep.c:2208) [ 104.721220][ T1155] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2184) [ 104.721224][ T1155] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 104.721231][ T1155] ? alloc_chain_hlocks (kernel/locking/lockdep.c:3530) [ 104.721235][ T1155] check_prev_add (kernel/locking/lockdep.c:3164) [ 104.721239][ T1155] validate_chain (kernel/locking/lockdep.c:3283 kernel/locking/lockdep.c:3906) [ 104.721244][ T1155] ? stack_depot_save_flags (lib/stackdepot.c:672) [ 104.721251][ T1155] ? __pfx_validate_chain (kernel/locking/lockdep.c:3862) [ 104.721254][ T1155] ? 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) [ 104.721256][ T1155] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [ 104.721261][ T1155] __lock_acquire (kernel/locking/lockdep.c:5228) [ 104.721266][ T1155] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [ 104.721269][ T1155] lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) [ 104.721273][ T1155] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [ 104.721276][ T1155] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) [ 104.721279][ T1155] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 104.721282][ T1155] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) [ 104.721286][ T1155] ? lock_acquire (kernel/locking/lockdep.c:5824) [ 104.721289][ T1155] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [ 104.721292][ T1155] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:730) [ 104.721294][ T1155] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [ 104.721298][ T1155] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [ 104.721300][ T1155] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) [ 104.721304][ T1155] ? 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) [ 104.721307][ T1155] ? rtnl_is_locked (net/core/rtnetlink.c:168) [ 104.721315][ T1155] ? mirred_device_event (net/sched/act_mirred.c:519) act_mirred [ 104.721324][ T1155] ? __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [ 104.721326][ T1155] __dev_open (./include/linux/netdevice.h:2738 net/core/dev.h:144 net/core/dev.c:1650) [ 104.721328][ T1155] ? mark_held_locks (kernel/locking/lockdep.c:4323) [ 104.721331][ T1155] ? __pfx___dev_open (net/core/dev.c:1609) [ 104.721334][ T1155] ? trace_percpu_alloc_percpu (./include/trace/events/percpu.h:11 (discriminator 21)) [ 104.721342][ T1155] netif_open (net/core/dev.c:1666) [ 104.721344][ T1155] ? __pfx_netif_open (net/core/dev.c:1660) [ 104.721348][ T1155] dev_open (./include/linux/netdevice.h:2738 ./include/linux/netdevice.h:2755 net/core/dev_api.c:190) [ 104.721353][ T1155] team_port_add (drivers/net/team/team_core.c:1229) [ 104.721358][ T1155] ? __pfx_team_port_add (drivers/net/team/team_core.c:1145) [ 104.721361][ T1155] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 104.721368][ T1155] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) [ 104.721373][ T1155] team_add_slave (drivers/net/team/team_core.c:1989) [ 104.721377][ T1155] do_set_master (net/core/rtnetlink.c:2939) [ 104.721382][ T1155] do_setlink.constprop.0 (net/core/rtnetlink.c:3144) [ 104.721386][ T1155] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3012) [ 104.721390][ T1155] ? lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) [ 104.721394][ T1155] ? rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4047) [ 104.721396][ T1155] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3948) [ 104.721399][ T1155] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6938) [ 104.721402][ T1155] ? __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) [ 104.721406][ T1155] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79) [ 104.721409][ T1155] ? lock_acquire (kernel/locking/lockdep.c:5824) [ 104.721413][ T1155] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 104.721416][ T1155] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:730) [ 104.721419][ T1155] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 104.721423][ T1155] ? rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4047) [ 104.721426][ T1155] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) [ 104.721428][ T1155] ? __pfx_validate_nla (lib/nlattr.c:396) [ 104.721434][ T1155] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 104.721440][ T1155] ? __rtnl_newlink (net/core/rtnetlink.c:3898) [ 104.721445][ T1155] rtnl_newlink (net/core/rtnetlink.c:350 net/core/rtnetlink.c:4049) [ 104.721449][ T1155] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3939) [ 104.721452][ T1155] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 104.721457][ T1155] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 104.721460][ T1155] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 104.721465][ T1155] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6936) [ 104.721468][ T1155] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3939) [ 104.721471][ T1155] rtnetlink_rcv_msg (net/core/rtnetlink.c:6938) [ 104.721475][ T1155] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6841) [ 104.721478][ T1155] ? 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) [ 104.721480][ T1155] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [ 104.721484][ T1155] ? __lock_acquire (kernel/locking/lockdep.c:5228) [ 104.721488][ T1155] netlink_rcv_skb (net/netlink/af_netlink.c:2544) [ 104.721492][ T1155] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6841) [ 104.721495][ T1155] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2521) [ 104.721503][ T1155] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 104.721506][ T1155] ? 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) [ 104.721510][ T1155] netlink_unicast (net/netlink/af_netlink.c:1323 net/netlink/af_netlink.c:1349) [ 104.721514][ T1155] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1334) [ 104.721517][ T1155] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 104.721522][ T1155] netlink_sendmsg (net/netlink/af_netlink.c:1893) [ 104.721527][ T1155] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1812) [ 104.721533][ T1155] ____sys_sendmsg (net/socket.c:718 net/socket.c:733 net/socket.c:2573) [ 104.721536][ T1155] ? __pfx_____sys_sendmsg (net/socket.c:2519) [ 104.721539][ T1155] ? __pfx_copy_msghdr_from_user (net/socket.c:2499) [ 104.721546][ T1155] ___sys_sendmsg (net/socket.c:2629) [ 104.721550][ T1155] ? __pfx____sys_sendmsg (net/socket.c:2616) [ 104.721554][ T1155] ? kasan_save_stack (mm/kasan/common.c:49) [ 104.721560][ T1155] ? kasan_save_stack (mm/kasan/common.c:48) [ 104.721563][ T1155] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 104.721567][ T1155] ? __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) [ 104.721570][ T1155] ? __x64_sys_close (fs/open.c:1583 fs/open.c:1565 fs/open.c:1565) [ 104.721575][ T1155] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 104.721577][ T1155] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 104.721579][ T1155] ? __lock_acquire (kernel/locking/lockdep.c:5228) [ 104.721582][ T1155] ? lock_downgrade (./arch/x86/include/asm/current.h:49 kernel/locking/lockdep.c:122 kernel/locking/lockdep.c:5747) [ 104.721586][ T1155] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 104.721590][ T1155] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 104.721594][ T1155] ? __lock_release (kernel/locking/lockdep.c:5527) [ 104.721597][ T1155] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2077 arch/x86/mm/physaddr.c:65) [ 104.721601][ T1155] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 104.721604][ T1155] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 104.721609][ T1155] __sys_sendmsg (net/socket.c:2659) [ 104.721612][ T1155] ? __pfx___sys_sendmsg (net/socket.c:2644) [ 104.721620][ T1155] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 104.721623][ T1155] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 104.721626][ T1155] RIP: 0033:0x7f7510c669a7 [ 104.721630][ T1155] 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) [ 104.721633][ T1155] RSP: 002b:00007ffc643183c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 104.721637][ T1155] RAX: ffffffffffffffda RBX: 00007ffc64318af0 RCX: 00007f7510c669a7 [ 104.721639][ T1155] RDX: 0000000000000000 RSI: 00007ffc64318430 RDI: 0000000000000005 [ 104.721641][ T1155] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 104.721642][ T1155] R10: 000000002c58d910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: print_circular_bug:check_noncircular:check_prev_add:validate_chain:__lock_acquire