====================================== | [ 44.156277][ T408] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 44.156549][ T408] | [ 44.156622][ T408] | [ 44.156622][ T408] stack backtrace: [ 44.157028][ T408] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 44.157452][ T408] Call Trace: [ 44.157565][ T408] [ 44.157640][ T408] dump_stack_lvl (lib/dump_stack.c:117) [ 44.157879][ T408] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 44.158028][ T408] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 44.158211][ T408] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 44.158356][ T408] ? __bfs (kernel/locking/lockdep.c:1787) [ 44.158468][ T408] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 44.158705][ T408] check_irq_usage (kernel/locking/lockdep.c:2871) [ 44.158862][ T408] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 44.159007][ T408] ? __bfs (kernel/locking/lockdep.c:1787) [ 44.159116][ T408] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 44.159351][ T408] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 44.159495][ T408] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 44.159641][ T408] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 44.159788][ T408] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 44.160028][ T408] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 44.160173][ T408] check_prev_add (kernel/locking/lockdep.c:3138) [ 44.160318][ T408] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 44.160462][ T408] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 44.160608][ T408] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 44.160805][ T408] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 44.160954][ T408] ? 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) [ 44.161098][ T408] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 44.161213][ T408] __lock_acquire (kernel/locking/lockdep.c:5137) [ 44.161448][ T408] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 44.161593][ T408] ? __get_task_comm (fs/exec.c:1234) [ 44.161738][ T408] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 44.161849][ T408] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 44.161999][ T408] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 44.162233][ T408] ? __get_task_comm (fs/exec.c:1234) [ 44.162376][ T408] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 44.162523][ T408] ? __get_task_comm (fs/exec.c:1234) [ 44.162669][ T408] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 44.162902][ T408] ? __get_task_comm (fs/exec.c:1234) [ 44.163049][ T408] __get_task_comm (fs/exec.c:1234) [ 44.163194][ T408] ref_tracker_alloc (lib/ref_tracker.c:217) [ 44.163338][ T408] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 44.163570][ T408] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 44.163713][ T408] ? netdev_get_by_index (net/core/dev.c:914) [ 44.163857][ T408] ? fib6_nh_init (net/ipv6/route.c:3541) [ 44.164004][ T408] ? ip6_route_info_create (net/ipv6/route.c:3808) [ 44.164151][ T408] ? addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 44.164390][ T408] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 44.164546][ T408] ? addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 44.164690][ T408] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 44.164833][ T408] ? __dev_notify_flags (net/core/dev.c:8800) [ 44.165155][ T408] ? dev_change_flags (net/core/dev.c:8835) [ 44.165304][ T408] ? do_setlink (net/core/rtnetlink.c:2884) [ 44.165452][ T408] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 44.165599][ T408] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 44.165833][ T408] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 44.165977][ T408] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 44.166122][ T408] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 44.166271][ T408] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 44.166504][ T408] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 44.166649][ T408] netdev_get_by_index (net/core/dev.c:914) [ 44.166793][ T408] fib6_nh_init (net/ipv6/route.c:3541) [ 44.166939][ T408] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 44.167212][ T408] ? __pfx_fib6_nh_init (net/ipv6/route.c:3522) [ 44.167362][ T408] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 44.167508][ T408] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 44.167653][ T408] ? __kmalloc (mm/slub.c:3980) [ 44.167799][ T408] ip6_route_info_create (net/ipv6/route.c:3808) [ 44.168031][ T408] ? __lock_release (kernel/locking/lockdep.c:5430) [ 44.168177][ T408] ? __pfx_ip6_route_info_create (net/ipv6/route.c:3691) [ 44.168365][ T408] ? addrconf_f6i_alloc (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/l3mdev.h:138 net/ipv6/route.c:4564) [ 44.168511][ T408] addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 44.168747][ T408] ? __pfx_addrconf_f6i_alloc (net/ipv6/route.c:4562) [ 44.168896][ T408] ? 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) [ 44.169040][ T408] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) [ 44.169184][ T408] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 44.169334][ T408] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3621) [ 44.169484][ T408] addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 44.169631][ T408] addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 44.169776][ T408] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 44.170009][ T408] __dev_notify_flags (net/core/dev.c:8800) [ 44.170155][ T408] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 44.170299][ T408] ? __dev_change_flags (net/core/dev.c:8756) [ 44.170447][ T408] ? __pfx___dev_change_flags (net/core/dev.c:8720) [ 44.170681][ T408] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 44.170831][ T408] dev_change_flags (net/core/dev.c:8835) [ 44.170975][ T408] do_setlink (net/core/rtnetlink.c:2884) [ 44.171119][ T408] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 44.171265][ T408] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 44.171500][ T408] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 44.171644][ T408] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 44.171789][ T408] ? __kernel_text_address (kernel/extable.c:79) [ 44.171932][ T408] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 44.172168][ T408] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 44.172348][ T408] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 44.172497][ T408] ? stack_trace_save (kernel/stacktrace.c:123) [ 44.172641][ T408] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 44.172873][ T408] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 44.173017][ T408] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 44.173127][ T408] ? kasan_save_stack (mm/kasan/common.c:49) [ 44.173271][ T408] ? kasan_save_stack (mm/kasan/common.c:48) [ 44.173510][ T408] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 44.173659][ T408] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 44.173802][ T408] ? rtnl_newlink (./include/linux/slab.h:628 net/core/rtnetlink.c:3723) [ 44.173946][ T408] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 44.174089][ T408] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 44.174321][ T408] ? validate_nla (lib/nlattr.c:513) [ 44.174468][ T408] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 44.174617][ T408] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 44.174760][ T408] ? ___sys_sendmsg (net/socket.c:2640) [ 44.174997][ T408] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 44.175143][ T408] ? 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) [ 44.175286][ T408] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 44.175431][ T408] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 44.175707][ T408] ? __create_object (mm/kmemleak.c:756) [ 44.175853][ T408] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 44.175998][ T408] rtnl_newlink (net/core/rtnetlink.c:3728) [ 44.176107][ T408] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 44.176340][ T408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 44.176487][ T408] ? 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) [ 44.176636][ T408] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 44.176747][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 44.176893][ T408] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 44.177125][ T408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 44.177269][ T408] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 44.177413][ T408] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 44.177560][ T408] ? 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) [ 44.177796][ T408] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 44.177940][ T408] ? 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) [ 44.178083][ T408] ? 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) [ 44.178227][ T408] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 44.178459][ T408] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 44.178604][ T408] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 44.178750][ T408] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 44.178898][ T408] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 44.179044][ T408] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 44.179286][ T408] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 44.179432][ T408] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 44.179579][ T408] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 44.179734][ T408] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 44.179967][ T408] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 44.180146][ T408] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 44.180296][ T408] ___sys_sendmsg (net/socket.c:2640) [ 44.180440][ T408] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 44.180677][ T408] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 44.180824][ T408] ? __lock_release (kernel/locking/lockdep.c:5430) [ 44.180969][ T408] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 44.181147][ T408] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 44.181293][ T408] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 44.181437][ T408] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 44.181626][ T408] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 44.181777][ T408] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 44.182011][ T408] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 44.182160][ T408] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 44.182305][ T408] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 44.182483][ T408] RIP: 0033:0x7f5f8bbbb7b7 [ 44.182727][ T408] 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) [ 44.183246][ T408] RSP: 002b:00007ffe994a4f78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 44.183558][ T408] RAX: ffffffffffffffda RBX: 00007ffe994a56b0 RCX: 00007f5f8bbbb7b7 [ 44.183776][ T408] RDX: 0000000000000000 RSI: 00007ffe994a4fe0 RDI: 0000000000000005 [ 44.184084][ T408] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 44.184304][ T408] R10: 00007f5f8ba794a8 R11: 0000000000000246 R12: 0000000000000003 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add