====================================== | [ 299.759435][ T549] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 299.759646][ T549] | [ 299.759821][ T549] | [ 299.759821][ T549] stack backtrace: [ 299.760289][ T549] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 299.760789][ T549] Call Trace: [ 299.760943][ T549] [ 299.761031][ T549] dump_stack_lvl (lib/dump_stack.c:117) [ 299.761212][ T549] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 299.761508][ T549] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 299.761759][ T549] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 299.761943][ T549] ? __bfs (kernel/locking/lockdep.c:1787) [ 299.762072][ T549] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 299.762254][ T549] check_irq_usage (kernel/locking/lockdep.c:2871) [ 299.762527][ T549] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 299.762711][ T549] ? __bfs (kernel/locking/lockdep.c:1787) [ 299.762853][ T549] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 299.763035][ T549] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 299.763322][ T549] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 299.763505][ T549] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 299.763682][ T549] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 299.763868][ T549] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 299.764065][ T549] check_prev_add (kernel/locking/lockdep.c:3138) [ 299.764256][ T549] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 299.764443][ T549] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 299.764619][ T549] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 299.764763][ T549] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 299.764937][ T549] ? 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) [ 299.765106][ T549] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 299.765236][ T549] __lock_acquire (kernel/locking/lockdep.c:5137) [ 299.765409][ T549] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 299.765668][ T549] ? __get_task_comm (fs/exec.c:1234) [ 299.765841][ T549] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 299.765970][ T549] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 299.766142][ T549] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 299.766311][ T549] ? __get_task_comm (fs/exec.c:1234) [ 299.766663][ T549] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 299.766832][ T549] ? __get_task_comm (fs/exec.c:1234) [ 299.767002][ T549] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 299.767213][ T549] ? __get_task_comm (fs/exec.c:1234) [ 299.767527][ T549] __get_task_comm (fs/exec.c:1234) [ 299.767699][ T549] ref_tracker_alloc (lib/ref_tracker.c:217) [ 299.767885][ T549] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 299.768073][ T549] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 299.768369][ T549] ? netdev_get_by_index (net/core/dev.c:914) [ 299.768538][ T549] ? fib6_nh_init (net/ipv6/route.c:3541) [ 299.768710][ T549] ? ip6_route_info_create (net/ipv6/route.c:3808) [ 299.768877][ T549] ? addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 299.769065][ T549] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 299.769244][ T549] ? addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 299.769432][ T549] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 299.769614][ T549] ? __dev_notify_flags (net/core/dev.c:8800) [ 299.769788][ T549] ? dev_change_flags (net/core/dev.c:8835) [ 299.770046][ T549] ? do_setlink (net/core/rtnetlink.c:2884) [ 299.770215][ T549] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 299.770386][ T549] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 299.770555][ T549] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 299.770814][ T549] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 299.770985][ T549] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 299.771155][ T549] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 299.771320][ T549] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 299.771584][ T549] netdev_get_by_index (net/core/dev.c:914) [ 299.771756][ T549] fib6_nh_init (net/ipv6/route.c:3541) [ 299.771926][ T549] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 299.772139][ T549] ? __pfx_fib6_nh_init (net/ipv6/route.c:3522) [ 299.772403][ T549] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 299.772574][ T549] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 299.772743][ T549] ? __kmalloc (mm/slub.c:3980) [ 299.772917][ T549] ip6_route_info_create (net/ipv6/route.c:3808) [ 299.773090][ T549] ? __lock_release (kernel/locking/lockdep.c:5430) [ 299.773262][ T549] ? __pfx_ip6_route_info_create (net/ipv6/route.c:3691) [ 299.773472][ T549] ? addrconf_f6i_alloc (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/l3mdev.h:138 net/ipv6/route.c:4564) [ 299.773646][ T549] addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 299.773815][ T549] ? __pfx_addrconf_f6i_alloc (net/ipv6/route.c:4562) [ 299.774079][ T549] ? 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) [ 299.774245][ T549] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) [ 299.774425][ T549] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 299.774612][ T549] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3621) [ 299.774874][ T549] addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 299.775044][ T549] addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 299.775212][ T549] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 299.775380][ T549] __dev_notify_flags (net/core/dev.c:8800) [ 299.775665][ T549] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 299.775849][ T549] ? __dev_change_flags (net/core/dev.c:8756) [ 299.776028][ T549] ? __pfx___dev_change_flags (net/core/dev.c:8720) [ 299.776217][ T549] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 299.776515][ T549] dev_change_flags (net/core/dev.c:8835) [ 299.776694][ T549] do_setlink (net/core/rtnetlink.c:2884) [ 299.776886][ T549] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 299.777058][ T549] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 299.777242][ T549] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 299.777508][ T549] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 299.777705][ T549] ? __kernel_text_address (kernel/extable.c:79) [ 299.777879][ T549] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 299.778065][ T549] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 299.778396][ T549] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 299.778584][ T549] ? stack_trace_save (kernel/stacktrace.c:123) [ 299.778775][ T549] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 299.778950][ T549] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 299.779124][ T549] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 299.779270][ T549] ? kasan_save_stack (mm/kasan/common.c:49) [ 299.779466][ T549] ? kasan_save_stack (mm/kasan/common.c:48) [ 299.779638][ T549] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 299.779909][ T549] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 299.780094][ T549] ? rtnl_newlink (./include/linux/slab.h:628 net/core/rtnetlink.c:3723) [ 299.780266][ T549] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 299.780451][ T549] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 299.780631][ T549] ? validate_nla (lib/nlattr.c:513) [ 299.780918][ T549] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 299.781095][ T549] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 299.781279][ T549] ? ___sys_sendmsg (net/socket.c:2640) [ 299.781460][ T549] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 299.781742][ T549] ? 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) [ 299.781929][ T549] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 299.782112][ T549] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 299.782345][ T549] ? __create_object (mm/kmemleak.c:756) [ 299.782622][ T549] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 299.782799][ T549] rtnl_newlink (net/core/rtnetlink.c:3728) [ 299.782945][ T549] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 299.783151][ T549] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 299.783432][ T549] ? 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) [ 299.783602][ T549] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 299.783730][ T549] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 299.783899][ T549] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 299.784071][ T549] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 299.784366][ T549] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 299.784548][ T549] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 299.784747][ T549] ? 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) [ 299.784918][ T549] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 299.785093][ T549] ? 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) [ 299.785294][ T549] ? 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) [ 299.785468][ T549] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 299.785653][ T549] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 299.785831][ T549] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 299.786008][ T549] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 299.786179][ T549] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 299.786349][ T549] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 299.786516][ T549] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 299.786781][ T549] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 299.786952][ T549] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 299.787121][ T549] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 299.787290][ T549] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 299.787594][ T549] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 299.787765][ T549] ___sys_sendmsg (net/socket.c:2640) [ 299.787935][ T549] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 299.788106][ T549] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 299.788376][ T549] ? __lock_release (kernel/locking/lockdep.c:5430) [ 299.788544][ T549] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 299.788755][ T549] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 299.788926][ T549] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 299.789103][ T549] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 299.789325][ T549] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 299.789512][ T549] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 299.789683][ T549] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 299.789859][ T549] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 299.790030][ T549] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 299.790268][ T549] RIP: 0033:0x7fe9d60b37b7 [ 299.790468][ T549] 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) [ 299.791225][ T549] RSP: 002b:00007fff86e8ea58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 299.791602][ T549] RAX: ffffffffffffffda RBX: 00007fff86e8f190 RCX: 00007fe9d60b37b7 [ 299.791872][ T549] RDX: 0000000000000000 RSI: 00007fff86e8eac0 RDI: 0000000000000005 [ 299.792150][ T549] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 299.792528][ T549] R10: 00007fe9d5f714a8 R11: 0000000000000246 R12: 0000000000000003 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add