====================================== | [ 85.156800][ T413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 85.156981][ T413] | [ 85.157055][ T413] | [ 85.157055][ T413] stack backtrace: [ 85.157539][ T413] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 85.157957][ T413] Call Trace: [ 85.158078][ T413] [ 85.158153][ T413] dump_stack_lvl (lib/dump_stack.c:117) [ 85.158302][ T413] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 85.158449][ T413] ? 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) [ 85.158686][ T413] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 85.158873][ T413] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 85.159018][ T413] ? __bfs (kernel/locking/lockdep.c:1787) [ 85.159128][ T413] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 85.159364][ T413] check_irq_usage (kernel/locking/lockdep.c:2871) [ 85.159510][ T413] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 85.159656][ T413] ? __bfs (kernel/locking/lockdep.c:1787) [ 85.159766][ T413] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 85.159915][ T413] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 85.160150][ T413] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 85.160300][ T413] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 85.160448][ T413] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 85.160594][ T413] check_prev_add (kernel/locking/lockdep.c:3138) [ 85.160831][ T413] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 85.160980][ T413] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 85.161126][ T413] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 85.161236][ T413] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 85.161472][ T413] ? 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) [ 85.161620][ T413] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 85.161732][ T413] __lock_acquire (kernel/locking/lockdep.c:5137) [ 85.161880][ T413] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 85.162029][ T413] ? __get_task_comm (fs/exec.c:1234) [ 85.162264][ T413] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 85.162381][ T413] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 85.162527][ T413] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 85.162672][ T413] ? __get_task_comm (fs/exec.c:1234) [ 85.162909][ T413] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 85.163061][ T413] ? __get_task_comm (fs/exec.c:1234) [ 85.163208][ T413] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 85.163354][ T413] ? __get_task_comm (fs/exec.c:1234) [ 85.163499][ T413] __get_task_comm (fs/exec.c:1234) [ 85.163737][ T413] ref_tracker_alloc (lib/ref_tracker.c:217) [ 85.163883][ T413] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 85.164028][ T413] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 85.164174][ T413] ? netdev_get_by_index (net/core/dev.c:914) [ 85.164413][ T413] ? fib6_nh_init (net/ipv6/route.c:3541) [ 85.164558][ T413] ? ip6_route_info_create (net/ipv6/route.c:3808) [ 85.164702][ T413] ? ip6_route_add (net/ipv6/route.c:3851) [ 85.164847][ T413] ? addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 85.165083][ T413] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3599 net/ipv6/addrconf.c:3623) [ 85.165230][ T413] ? addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 85.165381][ T413] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 85.165526][ T413] ? __dev_notify_flags (net/core/dev.c:8800) [ 85.165763][ T413] ? dev_change_flags (net/core/dev.c:8835) [ 85.165907][ T413] ? do_setlink (net/core/rtnetlink.c:2884) [ 85.166051][ T413] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 85.166198][ T413] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 85.166343][ T413] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 85.166577][ T413] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 85.166722][ T413] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 85.166867][ T413] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 85.167014][ T413] netdev_get_by_index (net/core/dev.c:914) [ 85.167255][ T413] fib6_nh_init (net/ipv6/route.c:3541) [ 85.167400][ T413] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 85.167581][ T413] ? __pfx_fib6_nh_init (net/ipv6/route.c:3522) [ 85.167727][ T413] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 85.168061][ T413] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 85.168207][ T413] ? __kmalloc (mm/slub.c:3980) [ 85.168356][ T413] ? fib6_get_table (net/ipv6/ip6_fib.c:295) [ 85.168504][ T413] ip6_route_info_create (net/ipv6/route.c:3808) [ 85.168744][ T413] ? __pfx_ip6_route_info_create (net/ipv6/route.c:3691) [ 85.168924][ T413] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 85.169070][ T413] ip6_route_add (net/ipv6/route.c:3851) [ 85.169216][ T413] addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 85.169452][ T413] ? __pfx_addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 85.169636][ T413] ? 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) [ 85.169789][ T413] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) [ 85.169934][ T413] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 85.170177][ T413] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3621) [ 85.170326][ T413] addrconf_permanent_addr (net/ipv6/addrconf.c:3599 net/ipv6/addrconf.c:3623) [ 85.170475][ T413] addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 85.170621][ T413] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 85.170859][ T413] __dev_notify_flags (net/core/dev.c:8800) [ 85.171007][ T413] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 85.171153][ T413] ? __dev_change_flags (net/core/dev.c:8756) [ 85.171299][ T413] ? __pfx___dev_change_flags (net/core/dev.c:8720) [ 85.171448][ T413] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 85.171597][ T413] dev_change_flags (net/core/dev.c:8835) [ 85.171743][ T413] do_setlink (net/core/rtnetlink.c:2884) [ 85.171888][ T413] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 85.172040][ T413] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 85.172275][ T413] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 85.172420][ T413] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 85.172569][ T413] ? __kernel_text_address (kernel/extable.c:79) [ 85.172718][ T413] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 85.172954][ T413] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 85.173136][ T413] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 85.173285][ T413] ? stack_trace_save (kernel/stacktrace.c:123) [ 85.173430][ T413] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 85.173667][ T413] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 85.173813][ T413] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 85.173928][ T413] ? kasan_save_stack (mm/kasan/common.c:49) [ 85.174073][ T413] ? kasan_save_stack (mm/kasan/common.c:48) [ 85.174218][ T413] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 85.174454][ T413] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 85.174601][ T413] ? rtnl_newlink (./include/linux/slab.h:628 net/core/rtnetlink.c:3723) [ 85.174745][ T413] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 85.174889][ T413] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 85.175124][ T413] ? validate_nla (lib/nlattr.c:513) [ 85.175269][ T413] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 85.175416][ T413] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 85.175561][ T413] ? ___sys_sendmsg (net/socket.c:2640) [ 85.175801][ T413] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 85.175948][ T413] ? 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) [ 85.176093][ T413] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 85.176240][ T413] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 85.176512][ T413] ? __create_object (mm/kmemleak.c:756) [ 85.176658][ T413] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 85.176807][ T413] rtnl_newlink (net/core/rtnetlink.c:3728) [ 85.176919][ T413] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 85.177064][ T413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 85.177300][ T413] ? 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) [ 85.177444][ T413] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 85.177556][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 85.177705][ T413] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 85.177949][ T413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 85.178110][ T413] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 85.178258][ T413] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 85.178407][ T413] ? 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) [ 85.178642][ T413] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 85.178788][ T413] ? 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) [ 85.178934][ T413] ? 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) [ 85.179079][ T413] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 85.179226][ T413] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 85.179552][ T413] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 85.179701][ T413] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 85.179848][ T413] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 85.179997][ T413] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 85.180233][ T413] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 85.180381][ T413] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 85.180528][ T413] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 85.180674][ T413] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 85.180909][ T413] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 85.181093][ T413] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 85.181241][ T413] ___sys_sendmsg (net/socket.c:2640) [ 85.181388][ T413] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 85.181623][ T413] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 85.181769][ T413] ? __lock_release (kernel/locking/lockdep.c:5430) [ 85.181914][ T413] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 85.182097][ T413] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 85.182334][ T413] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 85.182483][ T413] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 85.182665][ T413] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 85.182811][ T413] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 85.183046][ T413] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 85.183198][ T413] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 85.183343][ T413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 85.183523][ T413] RIP: 0033:0x7f8ae34cf7b7 [ 85.183770][ T413] 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) [ 85.184294][ T413] RSP: 002b:00007ffefb2a6fa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 85.184611][ T413] RAX: ffffffffffffffda RBX: 00007ffefb2a76e0 RCX: 00007f8ae34cf7b7 [ 85.184828][ T413] RDX: 0000000000000000 RSI: 00007ffefb2a7010 RDI: 0000000000000005 [ 85.185048][ T413] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 85.185364][ T413] R10: 00007f8ae338d4a8 R11: 0000000000000246 R12: 0000000000000002 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add