====================================== | [860.298711][T10113] #0: ffffffff86a0b088 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4043) | [860.298984][T10113] #1: ffff88800f2e2d80 (team->team_lock_key){+.+.}-{4:4}, at: team_add_slave (drivers/net/team/team_core.c:1988) | [ 860.299295][T10113] | [ 860.299295][T10113] stack backtrace: [ 860.299483][T10113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 860.299486][T10113] Call Trace: [ 860.299488][T10113] [860.299490][T10113] dump_stack_lvl (lib/dump_stack.c:123) [860.299499][T10113] print_circular_bug (kernel/locking/lockdep.c:2079) [860.299506][T10113] check_noncircular (kernel/locking/lockdep.c:2208) [860.299511][T10113] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2184) [860.299515][T10113] ? __pfx_validate_chain (kernel/locking/lockdep.c:3862) [860.299520][T10113] ? 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) [860.299525][T10113] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [860.299533][T10113] ? alloc_chain_hlocks (kernel/locking/lockdep.c:3530) [860.299540][T10113] ? __lock_acquire (kernel/locking/lockdep.c:5228) [860.299549][T10113] check_prev_add (kernel/locking/lockdep.c:3164) [860.299559][T10113] validate_chain (kernel/locking/lockdep.c:3283 kernel/locking/lockdep.c:3906) [860.299568][T10113] ? 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) [860.299574][T10113] ? __pfx_validate_chain (kernel/locking/lockdep.c:3862) [860.299580][T10113] ? 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) [860.299584][T10113] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [860.299587][T10113] ? mark_held_locks (kernel/locking/lockdep.c:4323) [860.299592][T10113] __lock_acquire (kernel/locking/lockdep.c:5228) [860.299599][T10113] lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) [860.299602][T10113] ? dev_set_mtu (./include/linux/netdevice.h:2712 ./include/linux/netdevice.h:2750 net/core/dev_api.c:248) [860.299608][T10113] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3140) [860.299612][T10113] ? rtnl_newlink (net/core/rtnetlink.c:350 net/core/rtnetlink.c:4045) [860.299616][T10113] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [860.299619][T10113] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) [860.299623][T10113] ? lock_acquire (kernel/locking/lockdep.c:5824) [860.299625][T10113] ? dev_set_mtu (./include/linux/netdevice.h:2712 ./include/linux/netdevice.h:2750 net/core/dev_api.c:248) [860.299630][T10113] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:730) [860.299633][T10113] ? dev_set_mtu (./include/linux/netdevice.h:2712 ./include/linux/netdevice.h:2750 net/core/dev_api.c:248) [860.299636][T10113] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) [860.299640][T10113] ? dev_set_mtu (./include/linux/netdevice.h:2712 ./include/linux/netdevice.h:2750 net/core/dev_api.c:248) [860.299644][T10113] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) [860.299647][T10113] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [860.299652][T10113] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [860.299657][T10113] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [860.299663][T10113] ? dev_set_mtu (./include/linux/netdevice.h:2712 ./include/linux/netdevice.h:2750 net/core/dev_api.c:248) [860.299666][T10113] dev_set_mtu (./include/linux/netdevice.h:2712 ./include/linux/netdevice.h:2750 net/core/dev_api.c:248) [860.299670][T10113] team_port_add (drivers/net/team/team_core.c:1214) [860.299675][T10113] ? __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) [860.299680][T10113] ? __pfx_team_port_add (drivers/net/team/team_core.c:1145) [860.299683][T10113] ? __pfx___mutex_unlock_slowpath (kernel/locking/mutex.c:885) [860.299689][T10113] team_add_slave (drivers/net/team/team_core.c:1989) [860.299693][T10113] do_set_master (net/core/rtnetlink.c:2939) [860.299698][T10113] do_setlink.constprop.0 (net/core/rtnetlink.c:3140) [860.299703][T10113] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3012) [860.299708][T10113] ? lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) [860.299710][T10113] ? rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4043) [860.299714][T10113] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3944) [860.299717][T10113] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6934) [860.299721][T10113] ? __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) [860.299727][T10113] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79) [860.299732][T10113] ? lock_acquire (kernel/locking/lockdep.c:5824) [860.299734][T10113] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [860.299739][T10113] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:730) [860.299742][T10113] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [860.299745][T10113] ? rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4043) [860.299749][T10113] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) [860.299751][T10113] ? __pfx_validate_nla (lib/nlattr.c:396) [860.299756][T10113] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [860.299761][T10113] ? __rtnl_newlink (net/core/rtnetlink.c:3894) [860.299766][T10113] rtnl_newlink (net/core/rtnetlink.c:350 net/core/rtnetlink.c:4045) [860.299771][T10113] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3935) [860.299774][T10113] ? find_held_lock (kernel/locking/lockdep.c:5341) [860.299779][T10113] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [860.299781][T10113] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [860.299785][T10113] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6932) [860.299789][T10113] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3935) [860.299793][T10113] rtnetlink_rcv_msg (net/core/rtnetlink.c:6934) [860.299797][T10113] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6837) [860.299801][T10113] ? 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) [860.299804][T10113] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) [860.299809][T10113] ? __lock_acquire (kernel/locking/lockdep.c:5228) [860.299813][T10113] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [860.299818][T10113] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6837) [860.299822][T10113] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520) [860.299830][T10113] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [860.299834][T10113] ? 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) [860.299838][T10113] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [860.299843][T10113] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333) [860.299846][T10113] ? find_held_lock (kernel/locking/lockdep.c:5341) [860.299851][T10113] netlink_sendmsg (net/netlink/af_netlink.c:1892) [860.299856][T10113] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811) [860.299862][T10113] ____sys_sendmsg (net/socket.c:718 net/socket.c:733 net/socket.c:2573) [860.299867][T10113] ? __pfx_____sys_sendmsg (net/socket.c:2519) [860.299870][T10113] ? __pfx_copy_msghdr_from_user (net/socket.c:2499) [860.299876][T10113] ___sys_sendmsg (net/socket.c:2629) [860.299880][T10113] ? __pfx____sys_sendmsg (net/socket.c:2616) [860.299882][T10113] ? __lock_acquire (kernel/locking/lockdep.c:5228) [860.299887][T10113] ? ___sys_recvmsg (net/socket.c:2825) [860.299890][T10113] ? __pfx____sys_recvmsg (net/socket.c:2825) [860.299894][T10113] ? __lock_release (kernel/locking/lockdep.c:5527) [860.299896][T10113] ? __might_fault (mm/memory.c:6840 mm/memory.c:6833) [860.299903][T10113] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [860.299906][T10113] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) [860.299908][T10113] ? lock_acquire (kernel/locking/lockdep.c:5824) [860.299912][T10113] ? lock_acquire (kernel/locking/lockdep.c:5824) [860.299914][T10113] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) [860.299921][T10113] __sys_sendmsg (net/socket.c:2659) [860.299923][T10113] ? __pfx___sys_sendmsg (net/socket.c:2644) [860.299931][T10113] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [860.299934][T10113] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 860.299939][T10113] RIP: 0033:0x7fb1ac1ad9a7 [ 860.299945][T10113] 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) [ 860.299948][T10113] RSP: 002b:00007fff122548b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 860.299952][T10113] RAX: ffffffffffffffda RBX: 0000000001710730 RCX: 00007fb1ac1ad9a7 [ 860.299954][T10113] RDX: 0000000000000000 RSI: 00007fff122548f0 RDI: 0000000000000005 [ 860.299955][T10113] RBP: 0000000001710640 R08: 0000000000000008 R09: 0000000000000000 [ 860.299957][T10113] R10: 0000000000008000 R11: 0000000000000246 R12: 000000000172b760 Finger prints: print_circular_bug:check_noncircular:check_prev_add:validate_chain:__lock_acquire