======================================
| [ 882.779066][ T9809] #0: ffffffffb5a0ae48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4047)
| [ 882.779349][ T9809] #1: ffff88800baa2d80 (team->team_lock_key){+.+.}-{4:4}, at: team_add_slave (drivers/net/team/team_core.c:1988)
| [ 882.779626][ T9809]
| [ 882.779626][ T9809] stack backtrace:
[ 882.779821][ T9809] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 882.779823][ T9809] Call Trace:
[ 882.779825][ T9809] <TASK>
[ 882.779827][ T9809] dump_stack_lvl (lib/dump_stack.c:123)
[ 882.779833][ T9809] print_circular_bug (kernel/locking/lockdep.c:2079)
[ 882.779839][ T9809] check_noncircular (kernel/locking/lockdep.c:2208)
[ 882.779843][ T9809] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2184)
[ 882.779847][ T9809] ? find_held_lock (kernel/locking/lockdep.c:5341)
[ 882.779850][ T9809] ? __pfx_validate_chain (kernel/locking/lockdep.c:3862)
[ 882.779855][ T9809] ? alloc_chain_hlocks (kernel/locking/lockdep.c:3530)
[ 882.779860][ T9809] check_prev_add (kernel/locking/lockdep.c:3164)
[ 882.779865][ T9809] validate_chain (kernel/locking/lockdep.c:3283 kernel/locking/lockdep.c:3906)
[ 882.779871][ T9809] ? __pfx_validate_chain (kernel/locking/lockdep.c:3862)
[ 882.779874][ T9809] ? 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)
[ 882.779877][ T9809] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3))
[ 882.779882][ T9809] __lock_acquire (kernel/locking/lockdep.c:5228)
[ 882.779888][ T9809] lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853)
[ 882.779891][ T9809] ? dev_set_mtu (./include/linux/netdevice.h:2712 ./include/linux/netdevice.h:2750 net/core/dev_api.c:235)
[ 882.779897][ T9809] ? do_set_master (net/core/rtnetlink.c:2939)
[ 882.779901][ T9809] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3144)
[ 882.779905][ T9809] ? rtnl_newlink (net/core/rtnetlink.c:350 net/core/rtnetlink.c:4049)
[ 882.779910][ T9809] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816)
[ 882.779915][ T9809] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21))
[ 882.779921][ T9809] ? lock_acquire (kernel/locking/lockdep.c:5824)
[ 882.779925][ T9809] ? dev_set_mtu (./include/linux/netdevice.h:2712 ./include/linux/netdevice.h:2750 net/core/dev_api.c:235)
[ 882.779931][ T9809] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:730)
[ 882.779936][ T9809] ? dev_set_mtu (./include/linux/netdevice.h:2712 ./include/linux/netdevice.h:2750 net/core/dev_api.c:235)
[ 882.779939][ T9809] ? __create_object (mm/kmemleak.c:766)
[ 882.779943][ T9809] ? __pfx___lock_release (kernel/locking/lockdep.c:5503)
[ 882.779946][ T9809] ? dev_set_mtu (./include/linux/netdevice.h:2712 ./include/linux/netdevice.h:2750 net/core/dev_api.c:235)
[ 882.779950][ T9809] ? __pfx___mutex_lock (kernel/locking/mutex.c:729)
[ 882.779954][ T9809] ? mark_held_locks (kernel/locking/lockdep.c:4323)
[ 882.779958][ T9809] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408)
[ 882.779963][ T9809] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69)
[ 882.779967][ T9809] ? dev_set_mtu (./include/linux/netdevice.h:2712 ./include/linux/netdevice.h:2750 net/core/dev_api.c:235)
[ 882.779970][ T9809] dev_set_mtu (./include/linux/netdevice.h:2712 ./include/linux/netdevice.h:2750 net/core/dev_api.c:235)
[ 882.779974][ T9809] team_port_add (drivers/net/team/team_core.c:1214)
[ 882.779979][ T9809] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:908)
[ 882.779982][ T9809] ? __pfx_team_port_add (drivers/net/team/team_core.c:1145)
[ 882.779986][ T9809] ? __pfx___mutex_unlock_slowpath (kernel/locking/mutex.c:885)
[ 882.779991][ T9809] team_add_slave (drivers/net/team/team_core.c:1989)
[ 882.779995][ T9809] do_set_master (net/core/rtnetlink.c:2939)
[ 882.780000][ T9809] do_setlink.constprop.0 (net/core/rtnetlink.c:3144)
[ 882.780005][ T9809] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3012)
[ 882.780009][ T9809] ? lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853)
[ 882.780011][ T9809] ? rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4047)
[ 882.780014][ T9809] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3948)
[ 882.780017][ T9809] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6938)
[ 882.780020][ T9809] ? __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)
[ 882.780026][ T9809] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 882.780030][ T9809] ? lock_acquire (kernel/locking/lockdep.c:5824)
[ 882.780033][ T9809] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[ 882.780037][ T9809] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:730)
[ 882.780041][ T9809] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 882.780044][ T9809] ? rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4047)
[ 882.780047][ T9809] ? __pfx___mutex_lock (kernel/locking/mutex.c:729)
[ 882.780050][ T9809] ? __pfx_validate_nla (lib/nlattr.c:396)
[ 882.780055][ T9809] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[ 882.780060][ T9809] ? __rtnl_newlink (net/core/rtnetlink.c:3898)
[ 882.780065][ T9809] rtnl_newlink (net/core/rtnetlink.c:350 net/core/rtnetlink.c:4049)
[ 882.780070][ T9809] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3939)
[ 882.780073][ T9809] ? find_held_lock (kernel/locking/lockdep.c:5341)
[ 882.780077][ T9809] ? __pfx___lock_release (kernel/locking/lockdep.c:5503)
[ 882.780079][ T9809] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816)
[ 882.780084][ T9809] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6936)
[ 882.780087][ T9809] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3939)
[ 882.780090][ T9809] rtnetlink_rcv_msg (net/core/rtnetlink.c:6938)
[ 882.780094][ T9809] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6841)
[ 882.780098][ T9809] ? 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)
[ 882.780100][ T9809] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3))
[ 882.780105][ T9809] ? __lock_acquire (kernel/locking/lockdep.c:5228)
[ 882.780109][ T9809] netlink_rcv_skb (net/netlink/af_netlink.c:2544)
[ 882.780113][ T9809] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6841)
[ 882.780117][ T9809] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2521)
[ 882.780124][ T9809] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 882.780129][ T9809] ? 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)
[ 882.780132][ T9809] netlink_unicast (net/netlink/af_netlink.c:1323 net/netlink/af_netlink.c:1349)
[ 882.780137][ T9809] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1334)
[ 882.780141][ T9809] ? find_held_lock (kernel/locking/lockdep.c:5341)
[ 882.780145][ T9809] netlink_sendmsg (net/netlink/af_netlink.c:1893)
[ 882.780150][ T9809] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1812)
[ 882.780156][ T9809] ____sys_sendmsg (net/socket.c:718 net/socket.c:733 net/socket.c:2573)
[ 882.780160][ T9809] ? __pfx_____sys_sendmsg (net/socket.c:2519)
[ 882.780163][ T9809] ? __pfx_copy_msghdr_from_user (net/socket.c:2499)
[ 882.780169][ T9809] ___sys_sendmsg (net/socket.c:2629)
[ 882.780172][ T9809] ? __pfx____sys_sendmsg (net/socket.c:2616)
[ 882.780176][ T9809] ? ___sys_recvmsg (net/socket.c:2825)
[ 882.780179][ T9809] ? __pfx____sys_recvmsg (net/socket.c:2825)
[ 882.780182][ T9809] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1339)
[ 882.780187][ T9809] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1339)
[ 882.780191][ T9809] ? find_held_lock (kernel/locking/lockdep.c:5341)
[ 882.780195][ T9809] ? __lock_release (kernel/locking/lockdep.c:5527)
[ 882.780198][ T9809] __sys_sendmsg (net/socket.c:2659)
[ 882.780201][ T9809] ? __pfx___sys_sendmsg (net/socket.c:2644)
[ 882.780205][ T9809] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339)
[ 882.780210][ T9809] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 882.780213][ T9809] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 882.780217][ T9809] RIP: 0033:0x7f126b5309a7
[ 882.780221][ T9809] 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)
[ 882.780224][ T9809] RSP: 002b:00007ffe58fde448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 882.780228][ T9809] RAX: ffffffffffffffda RBX: 000000003d9b1730 RCX: 00007f126b5309a7
[ 882.780230][ T9809] RDX: 0000000000000000 RSI: 00007ffe58fde480 RDI: 0000000000000005
[ 882.780232][ T9809] RBP: 000000003d9b1640 R08: 0000000000000008 R09: 0000000000000000
[ 882.780233][ T9809] R10: 0000000000008000 R11: 0000000000000246 R12: 000000003d9cc760
Finger prints:
print_circular_bug:check_noncircular:check_prev_add:validate_chain:__lock_acquire