====================================== | [ 99.302796][ T1073] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 99.302994][ T1073] | [ 99.303069][ T1073] | [ 99.303069][ T1073] stack backtrace: [ 99.303561][ T1073] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 99.303881][ T1073] Call Trace: [ 99.303998][ T1073] [ 99.304074][ T1073] dump_stack_lvl (lib/dump_stack.c:117) [ 99.304226][ T1073] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 99.304373][ T1073] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 99.304561][ T1073] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 99.304706][ T1073] ? __bfs (kernel/locking/lockdep.c:1787) [ 99.304816][ T1073] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 99.304963][ T1073] check_irq_usage (kernel/locking/lockdep.c:2871) [ 99.305110][ T1073] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 99.305255][ T1073] ? __bfs (kernel/locking/lockdep.c:1787) [ 99.305364][ T1073] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 99.305600][ T1073] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 99.305748][ T1073] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 99.305895][ T1073] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 99.306040][ T1073] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 99.306276][ T1073] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 99.306420][ T1073] check_prev_add (kernel/locking/lockdep.c:3138) [ 99.306564][ T1073] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 99.306709][ T1073] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 99.306972][ T1073] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 99.307083][ T1073] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 99.307232][ T1073] ? 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) [ 99.307376][ T1073] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 99.307488][ T1073] __lock_acquire (kernel/locking/lockdep.c:5137) [ 99.307725][ T1073] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 99.307871][ T1073] ? __get_task_comm (fs/exec.c:1234) [ 99.308018][ T1073] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 99.308128][ T1073] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 99.308272][ T1073] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 99.308602][ T1073] ? __get_task_comm (fs/exec.c:1234) [ 99.308746][ T1073] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 99.308890][ T1073] ? __get_task_comm (fs/exec.c:1234) [ 99.309035][ T1073] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 99.309271][ T1073] ? __get_task_comm (fs/exec.c:1234) [ 99.309415][ T1073] __get_task_comm (fs/exec.c:1234) [ 99.309559][ T1073] ref_tracker_alloc (lib/ref_tracker.c:217) [ 99.309704][ T1073] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 99.309935][ T1073] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 99.310082][ T1073] ? netdev_get_by_index (net/core/dev.c:914) [ 99.310228][ T1073] ? fib6_nh_init (net/ipv6/route.c:3541) [ 99.310374][ T1073] ? ip6_route_info_create (net/ipv6/route.c:3808) [ 99.310617][ T1073] ? addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 99.310761][ T1073] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 99.310922][ T1073] ? addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 99.311066][ T1073] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 99.311213][ T1073] ? __dev_notify_flags (net/core/dev.c:8800) [ 99.311361][ T1073] ? dev_change_flags (net/core/dev.c:8835) [ 99.311508][ T1073] ? do_setlink (net/core/rtnetlink.c:2884) [ 99.311652][ T1073] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 99.311796][ T1073] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 99.311940][ T1073] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 99.312086][ T1073] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 99.312231][ T1073] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 99.312376][ T1073] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 99.312625][ T1073] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 99.312771][ T1073] netdev_get_by_index (net/core/dev.c:914) [ 99.312915][ T1073] fib6_nh_init (net/ipv6/route.c:3541) [ 99.313060][ T1073] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 99.313245][ T1073] ? __pfx_fib6_nh_init (net/ipv6/route.c:3522) [ 99.313390][ T1073] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 99.313536][ T1073] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 99.313682][ T1073] ? __kmalloc (mm/slub.c:3980) [ 99.313828][ T1073] ip6_route_info_create (net/ipv6/route.c:3808) [ 99.313976][ T1073] ? __lock_release (kernel/locking/lockdep.c:5430) [ 99.314128][ T1073] ? __pfx_ip6_route_info_create (net/ipv6/route.c:3691) [ 99.314308][ T1073] ? addrconf_f6i_alloc (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/l3mdev.h:138 net/ipv6/route.c:4564) [ 99.314544][ T1073] addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 99.314689][ T1073] ? __pfx_addrconf_f6i_alloc (net/ipv6/route.c:4562) [ 99.314833][ T1073] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 99.314994][ T1073] ? 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) [ 99.315146][ T1073] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) [ 99.315290][ T1073] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 99.315434][ T1073] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3621) [ 99.315580][ T1073] addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 99.315728][ T1073] addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 99.315872][ T1073] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 99.316020][ T1073] __dev_notify_flags (net/core/dev.c:8800) [ 99.316165][ T1073] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 99.316312][ T1073] ? __dev_change_flags (net/core/dev.c:8756) [ 99.316549][ T1073] ? __pfx___dev_change_flags (net/core/dev.c:8720) [ 99.316694][ T1073] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 99.316844][ T1073] dev_change_flags (net/core/dev.c:8835) [ 99.316991][ T1073] do_setlink (net/core/rtnetlink.c:2884) [ 99.317225][ T1073] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 99.317370][ T1073] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 99.317514][ T1073] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 99.317661][ T1073] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 99.317806][ T1073] ? __kernel_text_address (kernel/extable.c:79) [ 99.318042][ T1073] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 99.318194][ T1073] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 99.318374][ T1073] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 99.318522][ T1073] ? stack_trace_save (kernel/stacktrace.c:123) [ 99.318760][ T1073] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 99.318917][ T1073] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 99.319067][ T1073] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 99.319178][ T1073] ? kasan_save_stack (mm/kasan/common.c:49) [ 99.319325][ T1073] ? kasan_save_stack (mm/kasan/common.c:48) [ 99.319470][ T1073] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 99.319615][ T1073] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 99.319758][ T1073] ? rtnl_newlink (./include/linux/slab.h:628 net/core/rtnetlink.c:3723) [ 99.319991][ T1073] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 99.320136][ T1073] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 99.320281][ T1073] ? validate_nla (lib/nlattr.c:513) [ 99.320430][ T1073] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 99.320575][ T1073] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 99.320808][ T1073] ? ___sys_sendmsg (net/socket.c:2640) [ 99.320955][ T1073] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 99.321103][ T1073] ? 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) [ 99.321247][ T1073] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 99.321482][ T1073] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 99.321663][ T1073] ? __create_object (mm/kmemleak.c:756) [ 99.321812][ T1073] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 99.321958][ T1073] rtnl_newlink (net/core/rtnetlink.c:3728) [ 99.322159][ T1073] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 99.322305][ T1073] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 99.322448][ T1073] ? 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) [ 99.322592][ T1073] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 99.322703][ T1073] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 99.322949][ T1073] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 99.323094][ T1073] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 99.323247][ T1073] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 99.323392][ T1073] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 99.323634][ T1073] ? 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) [ 99.323779][ T1073] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 99.323922][ T1073] ? 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) [ 99.324066][ T1073] ? 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) [ 99.324214][ T1073] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 99.324362][ T1073] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 99.324515][ T1073] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 99.324664][ T1073] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 99.324810][ T1073] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 99.324957][ T1073] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 99.325104][ T1073] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 99.325250][ T1073] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 99.325398][ T1073] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 99.325633][ T1073] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 99.325780][ T1073] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 99.325960][ T1073] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 99.326115][ T1073] ___sys_sendmsg (net/socket.c:2640) [ 99.326349][ T1073] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 99.326494][ T1073] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 99.326639][ T1073] ? __lock_release (kernel/locking/lockdep.c:5430) [ 99.326790][ T1073] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 99.327081][ T1073] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 99.327231][ T1073] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 99.327382][ T1073] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 99.327563][ T1073] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 99.327798][ T1073] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 99.327943][ T1073] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 99.328092][ T1073] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 99.328239][ T1073] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 99.328516][ T1073] RIP: 0033:0x7fcd373f37b7 [ 99.328671][ T1073] 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) [ 99.329286][ T1073] RSP: 002b:00007ffd44e59b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 99.329510][ T1073] RAX: ffffffffffffffda RBX: 00007ffd44e5a2b0 RCX: 00007fcd373f37b7 [ 99.329732][ T1073] RDX: 0000000000000000 RSI: 00007ffd44e59be0 RDI: 0000000000000005 [ 99.330039][ T1073] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 99.330254][ T1073] R10: 00007fcd372b14a8 R11: 0000000000000246 R12: 0000000000000003 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add