====================================== | [ 147.107936][ T753] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 147.108124][ T753] | [ 147.108201][ T753] | [ 147.108201][ T753] stack backtrace: [ 147.108622][ T753] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 147.108954][ T753] Call Trace: [ 147.109070][ T753] [ 147.109150][ T753] dump_stack_lvl (lib/dump_stack.c:117) [ 147.109308][ T753] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 147.109462][ T753] ? 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) [ 147.109620][ T753] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 147.109816][ T753] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 147.109968][ T753] ? __bfs (kernel/locking/lockdep.c:1787) [ 147.110083][ T753] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 147.110236][ T753] check_irq_usage (kernel/locking/lockdep.c:2871) [ 147.110390][ T753] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 147.110541][ T753] ? __bfs (kernel/locking/lockdep.c:1787) [ 147.110660][ T753] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 147.110813][ T753] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 147.110966][ T753] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 147.111124][ T753] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 147.111277][ T753] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 147.111427][ T753] check_prev_add (kernel/locking/lockdep.c:3138) [ 147.111580][ T753] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 147.111732][ T753] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 147.111884][ T753] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 147.111998][ T753] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 147.112148][ T753] ? 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) [ 147.112304][ T753] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 147.112419][ T753] __lock_acquire (kernel/locking/lockdep.c:5137) [ 147.112575][ T753] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 147.112727][ T753] ? __get_task_comm (fs/exec.c:1234) [ 147.112881][ T753] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 147.112996][ T753] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 147.113167][ T753] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 147.113318][ T753] ? __get_task_comm (fs/exec.c:1234) [ 147.113468][ T753] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 147.113626][ T753] ? __get_task_comm (fs/exec.c:1234) [ 147.113775][ T753] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 147.113927][ T753] ? __get_task_comm (fs/exec.c:1234) [ 147.114078][ T753] __get_task_comm (fs/exec.c:1234) [ 147.114232][ T753] ref_tracker_alloc (lib/ref_tracker.c:217) [ 147.114385][ T753] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 147.114535][ T753] ? __lock_release (kernel/locking/lockdep.c:5430) [ 147.114692][ T753] ? rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 147.114983][ T753] ? rt6_disable_ip (net/ipv6/route.c:4910) [ 147.115134][ T753] ? addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 147.115283][ T753] ? addrconf_notify (net/ipv6/addrconf.c:3811) [ 147.115432][ T753] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 147.115675][ T753] ? __dev_notify_flags (net/core/dev.c:8800) [ 147.115832][ T753] ? dev_change_flags (net/core/dev.c:8835) [ 147.115983][ T753] ? cycle_netdev (drivers/net/vrf.c:1092) vrf [ 147.116138][ T753] ? vrf_add_slave (drivers/net/vrf.c:1123 drivers/net/vrf.c:1142) vrf [ 147.116299][ T753] ? do_setlink (net/core/rtnetlink.c:2891) [ 147.116545][ T753] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 147.116695][ T753] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 147.116844][ T753] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 147.116994][ T753] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 147.117332][ T753] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 147.117481][ T753] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 147.117632][ T753] ? in6_dev_get (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/addrconf.h:373) [ 147.117784][ T753] rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 147.118073][ T753] rt6_disable_ip (net/ipv6/route.c:4910) [ 147.118225][ T753] ? __pfx_rt6_disable_ip (net/ipv6/route.c:4907) [ 147.118375][ T753] ? 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) [ 147.118525][ T753] addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 147.118781][ T753] ? __try_to_del_timer_sync (kernel/time/timer.c:1500) [ 147.118934][ T753] ? __pfx_addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:3841) [ 147.119123][ T753] addrconf_notify (net/ipv6/addrconf.c:3811) [ 147.119274][ T753] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 147.119429][ T753] __dev_notify_flags (net/core/dev.c:8800) [ 147.119578][ T753] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 147.119728][ T753] ? __pfx___dev_change_flags (net/core/dev.c:8720) [ 147.119881][ T753] dev_change_flags (net/core/dev.c:8835) [ 147.120031][ T753] cycle_netdev (drivers/net/vrf.c:1092) vrf [ 147.120185][ T753] vrf_add_slave (drivers/net/vrf.c:1123 drivers/net/vrf.c:1142) vrf [ 147.120338][ T753] do_setlink (net/core/rtnetlink.c:2891) [ 147.120490][ T753] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 147.120668][ T753] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 147.120821][ T753] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 147.120971][ T753] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 147.121124][ T753] ? __kernel_text_address (kernel/extable.c:79) [ 147.121274][ T753] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 147.121522][ T753] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 147.121712][ T753] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 147.121865][ T753] ? stack_trace_save (kernel/stacktrace.c:123) [ 147.122023][ T753] ? __pfx_validate_nla (lib/nlattr.c:396) [ 147.122276][ T753] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 147.122426][ T753] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 147.122541][ T753] ? __nla_validate_parse (lib/nlattr.c:635) [ 147.122692][ T753] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 147.122937][ T753] ? 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) [ 147.123088][ T753] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 147.123241][ T753] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 147.123434][ T753] ? __create_object (mm/kmemleak.c:756) [ 147.123683][ T753] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 147.123837][ T753] rtnl_newlink (net/core/rtnetlink.c:3728) [ 147.123950][ T753] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 147.124102][ T753] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 147.124252][ T753] ? 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) [ 147.124494][ T753] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 147.124607][ T753] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 147.124759][ T753] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 147.124917][ T753] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 147.125160][ T753] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 147.125310][ T753] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 147.125462][ T753] ? 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) [ 147.125611][ T753] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 147.125761][ T753] ? 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) [ 147.126046][ T753] ? 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) [ 147.126203][ T753] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 147.126353][ T753] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 147.126507][ T753] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 147.126752][ T753] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 147.126906][ T753] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 147.127056][ T753] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 147.127205][ T753] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 147.127451][ T753] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 147.127611][ T753] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 147.127767][ T753] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 147.127918][ T753] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 147.128196][ T753] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 147.128349][ T753] ___sys_sendmsg (net/socket.c:2640) [ 147.128501][ T753] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 147.128654][ T753] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 147.128993][ T753] ? __lock_release (kernel/locking/lockdep.c:5430) [ 147.129149][ T753] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 147.129339][ T753] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 147.129493][ T753] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 147.129749][ T753] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 147.129939][ T753] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 147.130096][ T753] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 147.130247][ T753] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 147.130405][ T753] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 147.130564][ T753] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 147.130755][ T753] RIP: 0033:0x7f2cb7e767b7 [ 147.130919][ T753] 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) [ 147.131453][ T753] RSP: 002b:00007fff2b938978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 147.131687][ T753] RAX: ffffffffffffffda RBX: 00007fff2b9390a0 RCX: 00007f2cb7e767b7 [ 147.131915][ T753] RDX: 0000000000000000 RSI: 00007fff2b9389e0 RDI: 0000000000000005 [ 147.132142][ T753] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 147.132471][ T753] R10: 0000000022356910 R11: 0000000000000246 R12: 0000000000000003 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add