====================================== | [ 34.988806][ T338] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 34.989264][ T338] | [ 34.989388][ T338] | [ 34.989388][ T338] stack backtrace: [ 34.990205][ T338] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 34.990742][ T338] Call Trace: [ 34.990924][ T338] [ 34.991047][ T338] dump_stack_lvl (lib/dump_stack.c:117) [ 34.991436][ T338] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 34.991669][ T338] ? 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:228) [ 34.991900][ T338] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 34.992195][ T338] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 34.992585][ T338] ? __bfs (kernel/locking/lockdep.c:1787) [ 34.992768][ T338] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 34.993014][ T338] check_irq_usage (kernel/locking/lockdep.c:2871) [ 34.993261][ T338] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 34.993492][ T338] ? __bfs (kernel/locking/lockdep.c:1787) [ 34.993827][ T338] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 34.994073][ T338] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 34.994315][ T338] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 34.994563][ T338] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 34.994808][ T338] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 34.995050][ T338] check_prev_add (kernel/locking/lockdep.c:3138) [ 34.995289][ T338] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 34.995517][ T338] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 34.995740][ T338] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 34.995904][ T338] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 34.996133][ T338] ? 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:228) [ 34.996379][ T338] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 34.996574][ T338] __lock_acquire (kernel/locking/lockdep.c:5137) [ 34.996821][ T338] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 34.997058][ T338] ? __get_task_comm (fs/exec.c:1234) [ 34.997300][ T338] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 34.997481][ T338] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 34.997836][ T338] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 34.998078][ T338] ? __get_task_comm (fs/exec.c:1234) [ 34.998318][ T338] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 34.998570][ T338] ? __get_task_comm (fs/exec.c:1234) [ 34.998815][ T338] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 34.999054][ T338] ? __get_task_comm (fs/exec.c:1234) [ 34.999280][ T338] __get_task_comm (fs/exec.c:1234) [ 34.999447][ T338] ref_tracker_alloc (lib/ref_tracker.c:217) [ 34.999604][ T338] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 34.999758][ T338] ? __lock_release (kernel/locking/lockdep.c:5430) [ 34.999913][ T338] ? rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 35.000132][ T338] ? rt6_disable_ip (net/ipv6/route.c:4910) [ 35.000292][ T338] ? addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 35.000446][ T338] ? addrconf_notify (net/ipv6/addrconf.c:3811) [ 35.000597][ T338] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 35.000747][ T338] ? __netdev_upper_dev_link (./include/linux/notifier.h:207 net/core/dev.c:7869) [ 35.000899][ T338] ? netdev_master_upper_dev_link (net/core/dev.c:7937) [ 35.001095][ T338] ? vrf_add_slave (drivers/net/vrf.c:1118 drivers/net/vrf.c:1142) vrf [ 35.001254][ T338] ? rtnl_newlink_create (net/core/rtnetlink.c:3512) [ 35.001412][ T338] ? __rtnl_newlink (net/core/rtnetlink.c:3714) [ 35.001567][ T338] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 35.001717][ T338] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 35.001868][ T338] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 35.002031][ T338] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 35.002228][ T338] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 35.002448][ T338] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 35.002680][ T338] ? in6_dev_get (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/addrconf.h:373) [ 35.002912][ T338] rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 35.003222][ T338] rt6_disable_ip (net/ipv6/route.c:4910) [ 35.003469][ T338] ? __pfx_rt6_disable_ip (net/ipv6/route.c:4907) [ 35.003713][ T338] ? 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:228) [ 35.003958][ T338] addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 35.004215][ T338] ? __try_to_del_timer_sync (kernel/time/timer.c:1500) [ 35.004464][ T338] ? __pfx_addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:3841) [ 35.004771][ T338] addrconf_notify (net/ipv6/addrconf.c:3811) [ 35.005016][ T338] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 35.005273][ T338] __netdev_upper_dev_link (./include/linux/notifier.h:207 net/core/dev.c:7869) [ 35.005529][ T338] ? __pfx___netdev_upper_dev_link (net/core/dev.c:7821) [ 35.005866][ T338] ? __dev_notify_flags (net/core/dev.c:8800) [ 35.006098][ T338] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 35.006300][ T338] ? __dev_change_flags (net/core/dev.c:8756) [ 35.006449][ T338] netdev_master_upper_dev_link (net/core/dev.c:7937) [ 35.006602][ T338] ? __pfx_netdev_master_upper_dev_link (net/core/dev.c:7931) [ 35.006795][ T338] ? __pfx_macvlan_common_newlink (drivers/net/macvlan.c:1444) macvlan [ 35.007031][ T338] ? 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.c:81 kernel/locking/mutex.c:91) [ 35.007187][ T338] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 35.007339][ T338] ? netdev_master_upper_dev_get (net/core/dev.c:7024) [ 35.007525][ T338] vrf_add_slave (drivers/net/vrf.c:1118 drivers/net/vrf.c:1142) vrf [ 35.007682][ T338] rtnl_newlink_create (net/core/rtnetlink.c:3512) [ 35.007835][ T338] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3445) [ 35.007995][ T338] __rtnl_newlink (net/core/rtnetlink.c:3714) [ 35.008156][ T338] ? 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:228) [ 35.008367][ T338] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 35.008589][ T338] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 35.008877][ T338] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 35.009129][ T338] rtnl_newlink (net/core/rtnetlink.c:3728) [ 35.009314][ T338] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 35.009555][ T338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 35.009794][ T338] ? 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:228) [ 35.010046][ T338] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 35.010233][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 35.010474][ T338] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 35.010720][ T338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 35.010959][ T338] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 35.011196][ T338] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 35.011440][ T338] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 35.011678][ T338] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 35.011928][ T338] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 35.012163][ T338] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 35.012348][ T338] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 35.012498][ T338] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 35.012667][ T338] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 35.012818][ T338] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 35.012978][ T338] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 35.013128][ T338] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 35.013289][ T338] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 35.013439][ T338] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 35.013593][ T338] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 35.013747][ T338] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 35.013895][ T338] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 35.014085][ T338] ? 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:228) [ 35.014234][ T338] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 35.014446][ T338] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 35.014687][ T338] ___sys_sendmsg (net/socket.c:2640) [ 35.014919][ T338] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 35.015151][ T338] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 35.015399][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 35.015649][ T338] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 35.015893][ T338] ? __lock_release (kernel/locking/lockdep.c:5430) [ 35.016129][ T338] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 35.016359][ T338] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 35.016583][ T338] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 35.016809][ T338] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 52)) [ 35.017041][ T338] ? do_user_addr_fault (arch/x86/mm/fault.c:1443) [ 35.017271][ T338] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 35.017509][ T338] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 35.017807][ T338] RIP: 0033:0x7f978cc867b7 [ 35.018051][ T338] 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) [ 35.018890][ T338] RSP: 002b:00007ffc4b7ca688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.019283][ T338] RAX: ffffffffffffffda RBX: 00007ffc4b7cadb0 RCX: 00007f978cc867b7 [ 35.019500][ T338] RDX: 0000000000000000 RSI: 00007ffc4b7ca6f0 RDI: 0000000000000005 [ 35.019723][ T338] RBP: 0000000000000002 R08: 0000000000000068 R09: 0000000000000001 [ 35.019947][ T338] R10: 0000000000404b10 R11: 0000000000000246 R12: 00007ffc4b7cae08 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add