====================================== | [ 30.847571][ T317] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 30.847758][ T317] | [ 30.847833][ T317] | [ 30.847833][ T317] stack backtrace: [ 30.848237][ T317] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 30.848576][ T317] Call Trace: [ 30.848689][ T317] [ 30.848858][ T317] dump_stack_lvl (lib/dump_stack.c:117) [ 30.849013][ T317] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 30.849165][ T317] ? 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) [ 30.849344][ T317] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 30.849624][ T317] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 30.849772][ T317] ? __bfs (kernel/locking/lockdep.c:1787) [ 30.849884][ T317] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 30.850030][ T317] check_irq_usage (kernel/locking/lockdep.c:2871) [ 30.850178][ T317] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 30.850430][ T317] ? __bfs (kernel/locking/lockdep.c:1787) [ 30.850541][ T317] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 30.850689][ T317] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 30.850837][ T317] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 30.850984][ T317] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 30.851135][ T317] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 30.851282][ T317] check_prev_add (kernel/locking/lockdep.c:3138) [ 30.851427][ T317] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 30.851573][ T317] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 30.851729][ T317] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 30.851840][ T317] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 30.851985][ T317] ? 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) [ 30.852134][ T317] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 30.852250][ T317] __lock_acquire (kernel/locking/lockdep.c:5137) [ 30.852399][ T317] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 30.852547][ T317] ? __get_task_comm (fs/exec.c:1234) [ 30.852695][ T317] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 30.852807][ T317] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 30.853043][ T317] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 30.853203][ T317] ? __get_task_comm (fs/exec.c:1234) [ 30.853358][ T317] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 30.853610][ T317] ? __get_task_comm (fs/exec.c:1234) [ 30.853758][ T317] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 30.853905][ T317] ? __get_task_comm (fs/exec.c:1234) [ 30.854053][ T317] __get_task_comm (fs/exec.c:1234) [ 30.854203][ T317] ref_tracker_alloc (lib/ref_tracker.c:217) [ 30.854469][ T317] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 30.854627][ T317] ? __lock_release (kernel/locking/lockdep.c:5430) [ 30.854777][ T317] ? rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 30.854969][ T317] ? rt6_disable_ip (net/ipv6/route.c:4910) [ 30.855212][ T317] ? addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 30.855361][ T317] ? addrconf_notify (net/ipv6/addrconf.c:3811) [ 30.855513][ T317] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 30.855661][ T317] ? __netdev_upper_dev_link (./include/linux/notifier.h:207 net/core/dev.c:7869) [ 30.855808][ T317] ? netdev_master_upper_dev_link (net/core/dev.c:7937) [ 30.856089][ T317] ? vrf_add_slave (drivers/net/vrf.c:1118 drivers/net/vrf.c:1142) vrf [ 30.856245][ T317] ? do_setlink (net/core/rtnetlink.c:2891) [ 30.856391][ T317] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 30.856542][ T317] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 30.856778][ T317] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 30.856927][ T317] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 30.857172][ T317] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 30.857322][ T317] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 30.857472][ T317] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 30.857633][ T317] ? in6_dev_get (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/addrconf.h:373) [ 30.857782][ T317] rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 30.857963][ T317] rt6_disable_ip (net/ipv6/route.c:4910) [ 30.858202][ T317] ? __pfx_rt6_disable_ip (net/ipv6/route.c:4907) [ 30.858349][ T317] ? 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) [ 30.858498][ T317] addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 30.858650][ T317] ? __try_to_del_timer_sync (kernel/time/timer.c:1500) [ 30.858890][ T317] ? __pfx_addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:3841) [ 30.859078][ T317] addrconf_notify (net/ipv6/addrconf.c:3811) [ 30.859237][ T317] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 30.859390][ T317] __netdev_upper_dev_link (./include/linux/notifier.h:207 net/core/dev.c:7869) [ 30.859626][ T317] ? __pfx___netdev_upper_dev_link (net/core/dev.c:7821) [ 30.859811][ T317] netdev_master_upper_dev_link (net/core/dev.c:7937) [ 30.859960][ T317] ? __pfx_netdev_master_upper_dev_link (net/core/dev.c:7931) [ 30.860143][ T317] ? 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) [ 30.860396][ T317] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 30.860548][ T317] ? netdev_master_upper_dev_get (net/core/dev.c:7024) [ 30.860738][ T317] vrf_add_slave (drivers/net/vrf.c:1118 drivers/net/vrf.c:1142) vrf [ 30.860893][ T317] do_setlink (net/core/rtnetlink.c:2891) [ 30.861047][ T317] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 30.861212][ T317] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 30.861362][ T317] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 30.861511][ T317] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 30.861667][ T317] ? __kernel_text_address (kernel/extable.c:79) [ 30.861816][ T317] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 30.861963][ T317] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 30.862147][ T317] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 30.862298][ T317] ? stack_trace_save (kernel/stacktrace.c:123) [ 30.862448][ T317] ? __pfx_validate_nla (lib/nlattr.c:396) [ 30.862599][ T317] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 30.862748][ T317] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 30.862862][ T317] ? __nla_validate_parse (lib/nlattr.c:635) [ 30.863190][ T317] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 30.863344][ T317] ? 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) [ 30.863492][ T317] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 30.863640][ T317] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 30.863913][ T317] ? __create_object (mm/kmemleak.c:756) [ 30.864064][ T317] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 30.864215][ T317] rtnl_newlink (net/core/rtnetlink.c:3728) [ 30.864333][ T317] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 30.864573][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 30.864725][ T317] ? 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) [ 30.864872][ T317] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 30.864987][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 30.865138][ T317] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 30.865372][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 30.865525][ T317] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 30.865678][ T317] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 30.865828][ T317] ? 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) [ 30.866071][ T317] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 30.866219][ T317] ? 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) [ 30.866368][ T317] ? 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) [ 30.866517][ T317] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 30.866762][ T317] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 30.866919][ T317] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 30.867067][ T317] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 30.867217][ T317] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 30.867368][ T317] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 30.867608][ T317] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 30.867758][ T317] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 30.867912][ T317] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 30.868060][ T317] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 30.868209][ T317] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 30.868500][ T317] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 30.868651][ T317] ___sys_sendmsg (net/socket.c:2640) [ 30.868798][ T317] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 30.869048][ T317] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 30.869310][ T317] ? __lock_release (kernel/locking/lockdep.c:5430) [ 30.869456][ T317] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 30.869737][ T317] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 30.869979][ T317] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 30.870223][ T317] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 30.870514][ T317] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 30.870663][ T317] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 30.870903][ T317] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 30.871147][ T317] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 30.871389][ T317] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 30.871665][ T317] RIP: 0033:0x7fd80733f7b7 [ 30.871910][ T317] 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) [ 30.872532][ T317] RSP: 002b:00007ffd218681e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 30.872756][ T317] RAX: ffffffffffffffda RBX: 00007ffd21868910 RCX: 00007fd80733f7b7 [ 30.872987][ T317] RDX: 0000000000000000 RSI: 00007ffd21868250 RDI: 0000000000000005 [ 30.873316][ T317] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 30.873547][ T317] R10: 0000000031f3b910 R11: 0000000000000246 R12: 0000000000000003 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add