====================================== | [ 104.735193][ T1076] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 104.735382][ T1076] | [ 104.735461][ T1076] | [ 104.735461][ T1076] stack backtrace: [ 104.735965][ T1076] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 104.736301][ T1076] Call Trace: [ 104.736518][ T1076] [ 104.736596][ T1076] dump_stack_lvl (lib/dump_stack.c:117) [ 104.736762][ T1076] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 104.736916][ T1076] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 104.737101][ T1076] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 104.737340][ T1076] ? __bfs (kernel/locking/lockdep.c:1787) [ 104.737456][ T1076] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 104.737603][ T1076] check_irq_usage (kernel/locking/lockdep.c:2871) [ 104.737756][ T1076] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 104.737996][ T1076] ? __bfs (kernel/locking/lockdep.c:1787) [ 104.738108][ T1076] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 104.738255][ T1076] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 104.738402][ T1076] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 104.738556][ T1076] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 104.738795][ T1076] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 104.738947][ T1076] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 104.739096][ T1076] check_prev_add (kernel/locking/lockdep.c:3138) [ 104.739248][ T1076] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 104.739489][ T1076] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 104.739641][ T1076] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 104.739752][ T1076] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 104.739896][ T1076] ? 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) [ 104.740041][ T1076] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 104.740243][ T1076] __lock_acquire (kernel/locking/lockdep.c:5137) [ 104.740391][ T1076] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 104.740538][ T1076] ? __get_task_comm (fs/exec.c:1234) [ 104.740695][ T1076] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 104.740897][ T1076] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 104.741050][ T1076] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 104.741196][ T1076] ? __get_task_comm (fs/exec.c:1234) [ 104.741347][ T1076] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 104.741498][ T1076] ? __get_task_comm (fs/exec.c:1234) [ 104.741734][ T1076] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 104.741884][ T1076] ? __get_task_comm (fs/exec.c:1234) [ 104.742034][ T1076] __get_task_comm (fs/exec.c:1234) [ 104.742185][ T1076] ref_tracker_alloc (lib/ref_tracker.c:217) [ 104.742431][ T1076] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 104.742589][ T1076] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 104.742736][ T1076] ? netdev_get_by_index (net/core/dev.c:914) [ 104.742890][ T1076] ? fib6_nh_init (net/ipv6/route.c:3541) [ 104.743130][ T1076] ? ip6_route_info_create (net/ipv6/route.c:3808) [ 104.743279][ T1076] ? addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 104.743424][ T1076] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 104.743581][ T1076] ? addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 104.743817][ T1076] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 104.743964][ T1076] ? __dev_notify_flags (net/core/dev.c:8800) [ 104.744114][ T1076] ? dev_change_flags (net/core/dev.c:8835) [ 104.744260][ T1076] ? do_setlink (net/core/rtnetlink.c:2884) [ 104.744406][ T1076] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 104.744729][ T1076] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 104.744883][ T1076] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 104.745034][ T1076] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 104.745182][ T1076] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 104.745416][ T1076] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 104.745562][ T1076] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 104.745710][ T1076] netdev_get_by_index (net/core/dev.c:914) [ 104.745854][ T1076] fib6_nh_init (net/ipv6/route.c:3541) [ 104.746090][ T1076] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 104.746272][ T1076] ? __pfx_fib6_nh_init (net/ipv6/route.c:3522) [ 104.746422][ T1076] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 104.746573][ T1076] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 104.746810][ T1076] ? __kmalloc (mm/slub.c:3980) [ 104.746956][ T1076] ip6_route_info_create (net/ipv6/route.c:3808) [ 104.747102][ T1076] ? __lock_release (kernel/locking/lockdep.c:5430) [ 104.747251][ T1076] ? __pfx_ip6_route_info_create (net/ipv6/route.c:3691) [ 104.747523][ T1076] ? addrconf_f6i_alloc (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/l3mdev.h:138 net/ipv6/route.c:4564) [ 104.747669][ T1076] addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 104.747816][ T1076] ? __pfx_addrconf_f6i_alloc (net/ipv6/route.c:4562) [ 104.747967][ T1076] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 104.748212][ T1076] ? 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) [ 104.748361][ T1076] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) [ 104.748507][ T1076] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 104.748664][ T1076] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3621) [ 104.748819][ T1076] addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 104.749056][ T1076] addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 104.749215][ T1076] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 104.749364][ T1076] __dev_notify_flags (net/core/dev.c:8800) [ 104.749518][ T1076] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 104.749757][ T1076] ? __dev_change_flags (net/core/dev.c:8756) [ 104.749907][ T1076] ? __pfx___dev_change_flags (net/core/dev.c:8720) [ 104.750055][ T1076] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 104.750202][ T1076] dev_change_flags (net/core/dev.c:8835) [ 104.750445][ T1076] do_setlink (net/core/rtnetlink.c:2884) [ 104.750609][ T1076] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 104.750762][ T1076] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 104.750915][ T1076] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 104.751157][ T1076] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 104.751313][ T1076] ? __kernel_text_address (kernel/extable.c:79) [ 104.751465][ T1076] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 104.751617][ T1076] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 104.751889][ T1076] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 104.752052][ T1076] ? stack_trace_save (kernel/stacktrace.c:123) [ 104.752202][ T1076] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 104.752354][ T1076] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 104.752509][ T1076] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 104.752715][ T1076] ? kasan_save_stack (mm/kasan/common.c:49) [ 104.752870][ T1076] ? kasan_save_stack (mm/kasan/common.c:48) [ 104.753017][ T1076] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 104.753170][ T1076] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 104.753417][ T1076] ? rtnl_newlink (./include/linux/slab.h:628 net/core/rtnetlink.c:3723) [ 104.753567][ T1076] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 104.753718][ T1076] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 104.753872][ T1076] ? validate_nla (lib/nlattr.c:513) [ 104.754112][ T1076] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 104.754259][ T1076] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 104.754406][ T1076] ? ___sys_sendmsg (net/socket.c:2640) [ 104.754562][ T1076] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 104.754715][ T1076] ? 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) [ 104.754967][ T1076] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 104.755120][ T1076] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 104.755306][ T1076] ? __create_object (mm/kmemleak.c:756) [ 104.755460][ T1076] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 104.755698][ T1076] rtnl_newlink (net/core/rtnetlink.c:3728) [ 104.755809][ T1076] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 104.755961][ T1076] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 104.756106][ T1076] ? 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) [ 104.756441][ T1076] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 104.756558][ T1076] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 104.756707][ T1076] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 104.756860][ T1076] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 104.757008][ T1076] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 104.757242][ T1076] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 104.757392][ T1076] ? 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) [ 104.757547][ T1076] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 104.757705][ T1076] ? 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) [ 104.757945][ T1076] ? 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) [ 104.758101][ T1076] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 104.758248][ T1076] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 104.758401][ T1076] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 104.758645][ T1076] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 104.758791][ T1076] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 104.758943][ T1076] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 104.759093][ T1076] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 104.759335][ T1076] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 104.759487][ T1076] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 104.759643][ T1076] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 104.759791][ T1076] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 104.760067][ T1076] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 104.760223][ T1076] ___sys_sendmsg (net/socket.c:2640) [ 104.760372][ T1076] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 104.760529][ T1076] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 104.760676][ T1076] ? __lock_release (kernel/locking/lockdep.c:5430) [ 104.760914][ T1076] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 104.761100][ T1076] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 104.761252][ T1076] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 104.761402][ T1076] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 104.761679][ T1076] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 104.761832][ T1076] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 104.761990][ T1076] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 104.762142][ T1076] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 104.762380][ T1076] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 104.762567][ T1076] RIP: 0033:0x7fb56dd6f7b7 [ 104.762722][ T1076] 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) [ 104.763355][ T1076] RSP: 002b:00007fff58845b68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 104.763593][ T1076] RAX: ffffffffffffffda RBX: 00007fff588462a0 RCX: 00007fb56dd6f7b7 [ 104.763910][ T1076] RDX: 0000000000000000 RSI: 00007fff58845bd0 RDI: 0000000000000005 [ 104.764138][ T1076] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 104.764365][ T1076] R10: 00007fb56dc2d4a8 R11: 0000000000000246 R12: 0000000000000003 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add