====================================== | [ 100.308387][ T1074] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 100.308569][ T1074] | [ 100.308650][ T1074] | [ 100.308650][ T1074] stack backtrace: [ 100.309146][ T1074] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 100.309469][ T1074] Call Trace: [ 100.309586][ T1074] [ 100.309753][ T1074] dump_stack_lvl (lib/dump_stack.c:117) [ 100.309907][ T1074] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 100.310058][ T1074] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 100.310244][ T1074] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 100.310478][ T1074] ? __bfs (kernel/locking/lockdep.c:1787) [ 100.310588][ T1074] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 100.310734][ T1074] check_irq_usage (kernel/locking/lockdep.c:2871) [ 100.310882][ T1074] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 100.311028][ T1074] ? __bfs (kernel/locking/lockdep.c:1787) [ 100.311227][ T1074] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 100.311374][ T1074] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 100.311523][ T1074] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 100.311669][ T1074] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 100.311904][ T1074] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 100.312054][ T1074] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 100.312200][ T1074] check_prev_add (kernel/locking/lockdep.c:3138) [ 100.312347][ T1074] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 100.312584][ T1074] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 100.312738][ T1074] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 100.312852][ T1074] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 100.313000][ T1074] ? 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) [ 100.313146][ T1074] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 100.313347][ T1074] __lock_acquire (kernel/locking/lockdep.c:5137) [ 100.313497][ T1074] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 100.313646][ T1074] ? __get_task_comm (fs/exec.c:1234) [ 100.313792][ T1074] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 100.313902][ T1074] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 100.314152][ T1074] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 100.314304][ T1074] ? __get_task_comm (fs/exec.c:1234) [ 100.314451][ T1074] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 100.314598][ T1074] ? __get_task_comm (fs/exec.c:1234) [ 100.314833][ T1074] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 100.314978][ T1074] ? __get_task_comm (fs/exec.c:1234) [ 100.315124][ T1074] __get_task_comm (fs/exec.c:1234) [ 100.315270][ T1074] ref_tracker_alloc (lib/ref_tracker.c:217) [ 100.315599][ T1074] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 100.315749][ T1074] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 100.315897][ T1074] ? netdev_get_by_index (net/core/dev.c:914) [ 100.316044][ T1074] ? fib6_nh_init (net/ipv6/route.c:3541) [ 100.316282][ T1074] ? ip6_route_info_create (net/ipv6/route.c:3808) [ 100.316429][ T1074] ? addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 100.316575][ T1074] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 100.316723][ T1074] ? addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 100.316868][ T1074] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 100.317107][ T1074] ? __dev_notify_flags (net/core/dev.c:8800) [ 100.317253][ T1074] ? dev_change_flags (net/core/dev.c:8835) [ 100.317400][ T1074] ? do_setlink (net/core/rtnetlink.c:2884) [ 100.317545][ T1074] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 100.317781][ T1074] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 100.317927][ T1074] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 100.318073][ T1074] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 100.318219][ T1074] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 100.318453][ T1074] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 100.318604][ T1074] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 100.318756][ T1074] netdev_get_by_index (net/core/dev.c:914) [ 100.318905][ T1074] fib6_nh_init (net/ipv6/route.c:3541) [ 100.319142][ T1074] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 100.319325][ T1074] ? __pfx_fib6_nh_init (net/ipv6/route.c:3522) [ 100.319471][ T1074] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 100.319620][ T1074] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 100.319857][ T1074] ? __kmalloc (mm/slub.c:3980) [ 100.320010][ T1074] ip6_route_info_create (net/ipv6/route.c:3808) [ 100.320156][ T1074] ? __lock_release (kernel/locking/lockdep.c:5430) [ 100.320305][ T1074] ? __pfx_ip6_route_info_create (net/ipv6/route.c:3691) [ 100.320577][ T1074] ? addrconf_f6i_alloc (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/l3mdev.h:138 net/ipv6/route.c:4564) [ 100.320725][ T1074] addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 100.320875][ T1074] ? __pfx_addrconf_f6i_alloc (net/ipv6/route.c:4562) [ 100.321021][ T1074] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 100.321171][ T1074] ? do_raw_write_lock (./arch/x86/include/asm/atomic.h:115 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qrwlock.h:98 kernel/locking/spinlock_debug.c:211) [ 100.321412][ T1074] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) [ 100.321558][ T1074] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 100.321704][ T1074] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3621) [ 100.321853][ T1074] addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 100.322089][ T1074] addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 100.322235][ T1074] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 100.322382][ T1074] __dev_notify_flags (net/core/dev.c:8800) [ 100.322529][ T1074] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 100.322768][ T1074] ? __dev_change_flags (net/core/dev.c:8756) [ 100.322913][ T1074] ? __pfx___dev_change_flags (net/core/dev.c:8720) [ 100.323058][ T1074] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 100.323212][ T1074] dev_change_flags (net/core/dev.c:8835) [ 100.323447][ T1074] do_setlink (net/core/rtnetlink.c:2884) [ 100.323594][ T1074] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 100.323741][ T1074] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 100.323887][ T1074] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 100.324035][ T1074] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 100.324273][ T1074] ? __kernel_text_address (kernel/extable.c:79) [ 100.324417][ T1074] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 100.324565][ T1074] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 100.324747][ T1074] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 100.324985][ T1074] ? stack_trace_save (kernel/stacktrace.c:123) [ 100.325132][ T1074] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 100.325280][ T1074] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 100.325439][ T1074] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 100.325641][ T1074] ? kasan_save_stack (mm/kasan/common.c:49) [ 100.325787][ T1074] ? kasan_save_stack (mm/kasan/common.c:48) [ 100.325933][ T1074] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 100.326079][ T1074] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 100.326317][ T1074] ? rtnl_newlink (./include/linux/slab.h:628 net/core/rtnetlink.c:3723) [ 100.326463][ T1074] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 100.326608][ T1074] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 100.326756][ T1074] ? validate_nla (lib/nlattr.c:513) [ 100.326906][ T1074] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 100.327229][ T1074] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 100.327374][ T1074] ? ___sys_sendmsg (net/socket.c:2640) [ 100.327520][ T1074] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 100.327665][ T1074] ? 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) [ 100.327899][ T1074] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 100.328047][ T1074] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 100.328230][ T1074] ? __create_object (mm/kmemleak.c:756) [ 100.328377][ T1074] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 100.328620][ T1074] rtnl_newlink (net/core/rtnetlink.c:3728) [ 100.328731][ T1074] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 100.328876][ T1074] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 100.329023][ T1074] ? 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) [ 100.329258][ T1074] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 100.329369][ T1074] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 100.329518][ T1074] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 100.329666][ T1074] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 100.329811][ T1074] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 100.330044][ T1074] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 100.330196][ T1074] ? 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) [ 100.330341][ T1074] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 100.330485][ T1074] ? 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) [ 100.330720][ T1074] ? 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) [ 100.330865][ T1074] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 100.331014][ T1074] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 100.331161][ T1074] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 100.331395][ T1074] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 100.331541][ T1074] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 100.331687][ T1074] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 100.331831][ T1074] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 100.331978][ T1074] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 100.332218][ T1074] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 100.332379][ T1074] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 100.332523][ T1074] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 100.332704][ T1074] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 100.332940][ T1074] ___sys_sendmsg (net/socket.c:2640) [ 100.333086][ T1074] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 100.333234][ T1074] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 100.333379][ T1074] ? __lock_release (kernel/locking/lockdep.c:5430) [ 100.333612][ T1074] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 100.333795][ T1074] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 100.333940][ T1074] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 100.334085][ T1074] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 100.334360][ T1074] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 100.334507][ T1074] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 100.334651][ T1074] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 100.334801][ T1074] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 100.335038][ T1074] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 100.335217][ T1074] RIP: 0033:0x7f957c8167b7 [ 100.335377][ T1074] 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) [ 100.335983][ T1074] RSP: 002b:00007ffe9639e1e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 100.336204][ T1074] RAX: ffffffffffffffda RBX: 00007ffe9639e920 RCX: 00007f957c8167b7 [ 100.336523][ T1074] RDX: 0000000000000000 RSI: 00007ffe9639e250 RDI: 0000000000000005 [ 100.336740][ T1074] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 100.336957][ T1074] R10: 00007f957c6d44a8 R11: 0000000000000246 R12: 0000000000000003 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add