====================================== | [ 78.661892][ T644] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 78.662074][ T644] | [ 78.662149][ T644] | [ 78.662149][ T644] stack backtrace: [ 78.662635][ T644] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 78.663055][ T644] Call Trace: [ 78.663175][ T644] [ 78.663255][ T644] dump_stack_lvl (lib/dump_stack.c:117) [ 78.663409][ T644] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 78.663557][ T644] ? 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) [ 78.663797][ T644] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 78.663978][ T644] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 78.664125][ T644] ? __bfs (kernel/locking/lockdep.c:1787) [ 78.664236][ T644] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 78.664475][ T644] check_irq_usage (kernel/locking/lockdep.c:2871) [ 78.664624][ T644] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 78.664771][ T644] ? __bfs (kernel/locking/lockdep.c:1787) [ 78.664881][ T644] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 78.665029][ T644] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 78.665271][ T644] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 78.665423][ T644] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 78.665572][ T644] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 78.665718][ T644] check_prev_add (kernel/locking/lockdep.c:3138) [ 78.665867][ T644] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 78.666014][ T644] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 78.666161][ T644] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 78.666272][ T644] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 78.666509][ T644] ? 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) [ 78.666655][ T644] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 78.666770][ T644] __lock_acquire (kernel/locking/lockdep.c:5137) [ 78.666919][ T644] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 78.667066][ T644] ? __get_task_comm (fs/exec.c:1234) [ 78.667306][ T644] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 78.667417][ T644] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 78.667564][ T644] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 78.667711][ T644] ? __get_task_comm (fs/exec.c:1234) [ 78.667947][ T644] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 78.668098][ T644] ? __get_task_comm (fs/exec.c:1234) [ 78.668245][ T644] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 78.668392][ T644] ? __get_task_comm (fs/exec.c:1234) [ 78.668538][ T644] __get_task_comm (fs/exec.c:1234) [ 78.668774][ T644] ref_tracker_alloc (lib/ref_tracker.c:217) [ 78.668923][ T644] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 78.669070][ T644] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 78.669215][ T644] ? netdev_get_by_index (net/core/dev.c:914) [ 78.669451][ T644] ? fib6_nh_init (net/ipv6/route.c:3541) [ 78.669601][ T644] ? ip6_route_info_create (net/ipv6/route.c:3808) [ 78.669746][ T644] ? ip6_route_add (net/ipv6/route.c:3851) [ 78.669891][ T644] ? addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 78.670127][ T644] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3599 net/ipv6/addrconf.c:3623) [ 78.670273][ T644] ? addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 78.670418][ T644] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 78.670562][ T644] ? __dev_notify_flags (net/core/dev.c:8800) [ 78.670799][ T644] ? dev_change_flags (net/core/dev.c:8835) [ 78.670947][ T644] ? do_setlink (net/core/rtnetlink.c:2884) [ 78.671092][ T644] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 78.671246][ T644] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 78.671393][ T644] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 78.671627][ T644] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 78.671774][ T644] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 78.671920][ T644] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 78.672066][ T644] netdev_get_by_index (net/core/dev.c:914) [ 78.672313][ T644] fib6_nh_init (net/ipv6/route.c:3541) [ 78.672463][ T644] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 78.672647][ T644] ? __pfx_fib6_nh_init (net/ipv6/route.c:3522) [ 78.672792][ T644] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 78.672938][ T644] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 78.673083][ T644] ? __kmalloc (mm/slub.c:3980) [ 78.673229][ T644] ? fib6_get_table (net/ipv6/ip6_fib.c:295) [ 78.673380][ T644] ip6_route_info_create (net/ipv6/route.c:3808) [ 78.673618][ T644] ? __pfx_ip6_route_info_create (net/ipv6/route.c:3691) [ 78.673803][ T644] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 78.673950][ T644] ip6_route_add (net/ipv6/route.c:3851) [ 78.674095][ T644] addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 78.674333][ T644] ? __pfx_addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 78.674517][ T644] ? 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) [ 78.674664][ T644] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) [ 78.674809][ T644] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 78.675048][ T644] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3621) [ 78.675203][ T644] addrconf_permanent_addr (net/ipv6/addrconf.c:3599 net/ipv6/addrconf.c:3623) [ 78.675350][ T644] addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 78.675495][ T644] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 78.675734][ T644] __dev_notify_flags (net/core/dev.c:8800) [ 78.675880][ T644] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 78.676025][ T644] ? __dev_change_flags (net/core/dev.c:8756) [ 78.676169][ T644] ? __pfx___dev_change_flags (net/core/dev.c:8720) [ 78.676318][ T644] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 78.676554][ T644] dev_change_flags (net/core/dev.c:8835) [ 78.676702][ T644] do_setlink (net/core/rtnetlink.c:2884) [ 78.676849][ T644] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 78.676994][ T644] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 78.677233][ T644] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 78.677377][ T644] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 78.677523][ T644] ? __kernel_text_address (kernel/extable.c:79) [ 78.677675][ T644] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 78.677821][ T644] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 78.678001][ T644] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 78.678149][ T644] ? stack_trace_save (kernel/stacktrace.c:123) [ 78.678294][ T644] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 78.678529][ T644] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 78.678676][ T644] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 78.678786][ T644] ? kasan_save_stack (mm/kasan/common.c:49) [ 78.678933][ T644] ? kasan_save_stack (mm/kasan/common.c:48) [ 78.679079][ T644] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 78.679323][ T644] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 78.679467][ T644] ? rtnl_newlink (./include/linux/slab.h:628 net/core/rtnetlink.c:3723) [ 78.679612][ T644] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 78.679758][ T644] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 78.679903][ T644] ? validate_nla (lib/nlattr.c:513) [ 78.680049][ T644] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 78.680195][ T644] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 78.680343][ T644] ? ___sys_sendmsg (net/socket.c:2640) [ 78.680581][ T644] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 78.680730][ T644] ? 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) [ 78.680876][ T644] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 78.681022][ T644] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 78.681296][ T644] ? __create_object (mm/kmemleak.c:756) [ 78.681442][ T644] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 78.681588][ T644] rtnl_newlink (net/core/rtnetlink.c:3728) [ 78.681704][ T644] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 78.681849][ T644] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 78.682082][ T644] ? 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) [ 78.682227][ T644] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 78.682338][ T644] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 78.682484][ T644] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 78.682720][ T644] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 78.682868][ T644] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 78.683013][ T644] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 78.683164][ T644] ? 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) [ 78.683409][ T644] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 78.683554][ T644] ? 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) [ 78.683698][ T644] ? 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) [ 78.683844][ T644] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 78.683990][ T644] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 78.684226][ T644] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 78.684375][ T644] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 78.684520][ T644] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 78.684666][ T644] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 78.684814][ T644] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 78.684961][ T644] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 78.685109][ T644] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 78.685255][ T644] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 78.685491][ T644] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 78.685675][ T644] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 78.685826][ T644] ___sys_sendmsg (net/socket.c:2640) [ 78.685971][ T644] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 78.686213][ T644] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 78.686358][ T644] ? __lock_release (kernel/locking/lockdep.c:5430) [ 78.686503][ T644] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 78.686683][ T644] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 78.686833][ T644] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 78.686983][ T644] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 78.687165][ T644] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 78.687315][ T644] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 78.687551][ T644] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 78.687701][ T644] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 78.687849][ T644] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 78.688029][ T644] RIP: 0033:0x7fc1fdbf37b7 [ 78.688278][ T644] 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) [ 78.688794][ T644] RSP: 002b:00007ffc03d49468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 78.689025][ T644] RAX: ffffffffffffffda RBX: 00007ffc03d49ba0 RCX: 00007fc1fdbf37b7 [ 78.689242][ T644] RDX: 0000000000000000 RSI: 00007ffc03d494d0 RDI: 0000000000000005 [ 78.689463][ T644] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 78.689771][ T644] R10: 00007fc1fdab14a8 R11: 0000000000000246 R12: 0000000000000003 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add