====================================== | [ 375.767030][ T933] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 375.767211][ T933] | [ 375.767285][ T933] | [ 375.767285][ T933] stack backtrace: [ 375.767779][ T933] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 375.768105][ T933] Call Trace: [ 375.768218][ T933] [ 375.768399][ T933] dump_stack_lvl (lib/dump_stack.c:117) [ 375.768549][ T933] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 375.768696][ T933] ? 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) [ 375.768844][ T933] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 375.769025][ T933] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 375.769169][ T933] ? __bfs (kernel/locking/lockdep.c:1787) [ 375.769278][ T933] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 375.769425][ T933] check_irq_usage (kernel/locking/lockdep.c:2871) [ 375.769573][ T933] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 375.769718][ T933] ? __bfs (kernel/locking/lockdep.c:1787) [ 375.769828][ T933] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 375.769976][ T933] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 375.770124][ T933] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 375.770370][ T933] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 375.770520][ T933] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 375.770670][ T933] check_prev_add (kernel/locking/lockdep.c:3138) [ 375.770821][ T933] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 375.770970][ T933] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 375.771123][ T933] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 375.771235][ T933] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 375.771382][ T933] ? 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) [ 375.771526][ T933] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 375.771728][ T933] __lock_acquire (kernel/locking/lockdep.c:5137) [ 375.771878][ T933] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 375.772027][ T933] ? __get_task_comm (fs/exec.c:1234) [ 375.772173][ T933] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 375.772285][ T933] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 375.772521][ T933] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 375.772668][ T933] ? __get_task_comm (fs/exec.c:1234) [ 375.772811][ T933] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 375.772957][ T933] ? __get_task_comm (fs/exec.c:1234) [ 375.773193][ T933] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 375.773338][ T933] ? __get_task_comm (fs/exec.c:1234) [ 375.773484][ T933] __get_task_comm (fs/exec.c:1234) [ 375.773629][ T933] ref_tracker_alloc (lib/ref_tracker.c:217) [ 375.773866][ T933] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 375.774012][ T933] ? __lock_release (kernel/locking/lockdep.c:5430) [ 375.774157][ T933] ? rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 375.774335][ T933] ? rt6_disable_ip (net/ipv6/route.c:4910) [ 375.774658][ T933] ? addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 375.774803][ T933] ? addrconf_notify (net/ipv6/addrconf.c:3811) [ 375.774952][ T933] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 375.775098][ T933] ? __netdev_upper_dev_link (./include/linux/notifier.h:207 net/core/dev.c:7869) [ 375.775339][ T933] ? netdev_master_upper_dev_link (net/core/dev.c:7937) [ 375.775519][ T933] ? vrf_add_slave (drivers/net/vrf.c:1118 drivers/net/vrf.c:1142) vrf [ 375.775668][ T933] ? do_setlink (net/core/rtnetlink.c:2891) [ 375.775813][ T933] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 375.775958][ T933] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 375.776105][ T933] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 375.776253][ T933] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 375.776400][ T933] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 375.776545][ T933] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 375.776781][ T933] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 375.776926][ T933] ? in6_dev_get (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/addrconf.h:373) [ 375.777072][ T933] rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 375.777262][ T933] rt6_disable_ip (net/ipv6/route.c:4910) [ 375.777500][ T933] ? __pfx_rt6_disable_ip (net/ipv6/route.c:4907) [ 375.777653][ T933] ? 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) [ 375.777803][ T933] addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 375.777951][ T933] ? __try_to_del_timer_sync (kernel/time/timer.c:1500) [ 375.778191][ T933] ? __pfx_addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:3841) [ 375.778375][ T933] addrconf_notify (net/ipv6/addrconf.c:3811) [ 375.778521][ T933] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 375.778670][ T933] __netdev_upper_dev_link (./include/linux/notifier.h:207 net/core/dev.c:7869) [ 375.778905][ T933] ? __pfx___netdev_upper_dev_link (net/core/dev.c:7821) [ 375.779091][ T933] netdev_master_upper_dev_link (net/core/dev.c:7937) [ 375.779236][ T933] ? __pfx_netdev_master_upper_dev_link (net/core/dev.c:7931) [ 375.779421][ T933] ? 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) [ 375.779657][ T933] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 375.779804][ T933] ? netdev_master_upper_dev_get (net/core/dev.c:7024) [ 375.779987][ T933] vrf_add_slave (drivers/net/vrf.c:1118 drivers/net/vrf.c:1142) vrf [ 375.780143][ T933] do_setlink (net/core/rtnetlink.c:2891) [ 375.780397][ T933] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 375.780549][ T933] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 375.780697][ T933] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 375.780843][ T933] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 375.780991][ T933] ? __kernel_text_address (kernel/extable.c:79) [ 375.781143][ T933] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 375.781291][ T933] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 375.781472][ T933] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 375.781622][ T933] ? stack_trace_save (kernel/stacktrace.c:123) [ 375.781770][ T933] ? __pfx_validate_nla (lib/nlattr.c:396) [ 375.781917][ T933] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 375.782063][ T933] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 375.782269][ T933] ? __nla_validate_parse (lib/nlattr.c:635) [ 375.782417][ T933] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 375.782565][ T933] ? 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) [ 375.782711][ T933] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 375.782860][ T933] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 375.783047][ T933] ? __create_object (mm/kmemleak.c:756) [ 375.783194][ T933] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 375.783344][ T933] rtnl_newlink (net/core/rtnetlink.c:3728) [ 375.783455][ T933] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 375.783692][ T933] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 375.783840][ T933] ? 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) [ 375.783987][ T933] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 375.784098][ T933] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 375.784341][ T933] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 375.784490][ T933] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 375.784634][ T933] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 375.784779][ T933] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 375.784928][ T933] ? 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) [ 375.785073][ T933] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 375.785220][ T933] ? 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) [ 375.785363][ T933] ? 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) [ 375.785510][ T933] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 375.785747][ T933] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 375.785895][ T933] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 375.786042][ T933] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 375.786190][ T933] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 375.786428][ T933] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 375.786573][ T933] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 375.786722][ T933] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 375.786873][ T933] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 375.787111][ T933] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 375.787258][ T933] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 375.787447][ T933] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 375.787597][ T933] ___sys_sendmsg (net/socket.c:2640) [ 375.787839][ T933] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 375.787986][ T933] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 375.788133][ T933] ? __lock_release (kernel/locking/lockdep.c:5430) [ 375.788281][ T933] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 375.788551][ T933] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 375.788698][ T933] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 375.788845][ T933] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 375.789027][ T933] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 375.789270][ T933] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 375.789417][ T933] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 375.789571][ T933] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 375.789722][ T933] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 375.789905][ T933] RIP: 0033:0x7f891d7e47b7 [ 375.790062][ T933] 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) [ 375.790620][ T933] RSP: 002b:00007fffbb1d65c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 375.790844][ T933] RAX: ffffffffffffffda RBX: 00007fffbb1d6cf0 RCX: 00007f891d7e47b7 [ 375.791062][ T933] RDX: 0000000000000000 RSI: 00007fffbb1d6630 RDI: 0000000000000005 [ 375.791389][ T933] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 375.791604][ T933] R10: 0000000036232910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add