====================================== | [ 237.724920][ T832] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 237.725128][ T832] | [ 237.725212][ T832] | [ 237.725212][ T832] stack backtrace: [ 237.725637][ T832] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 237.725963][ T832] Call Trace: [ 237.726103][ T832] [ 237.726185][ T832] dump_stack_lvl (lib/dump_stack.c:117) [ 237.726432][ T832] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 237.726585][ T832] ? 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) [ 237.726754][ T832] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 237.726960][ T832] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 237.727252][ T832] ? __bfs (kernel/locking/lockdep.c:1787) [ 237.727366][ T832] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 237.727532][ T832] check_irq_usage (kernel/locking/lockdep.c:2871) [ 237.727683][ T832] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 237.727838][ T832] ? __bfs (kernel/locking/lockdep.c:1787) [ 237.727966][ T832] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 237.728116][ T832] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 237.728263][ T832] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 237.728410][ T832] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 237.728586][ T832] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 237.728745][ T832] check_prev_add (kernel/locking/lockdep.c:3138) [ 237.728988][ T832] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 237.729209][ T832] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 237.729414][ T832] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 237.729755][ T832] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 237.729986][ T832] ? 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) [ 237.730233][ T832] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 237.730415][ T832] __lock_acquire (kernel/locking/lockdep.c:5137) [ 237.730812][ T832] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 237.731058][ T832] ? __get_task_comm (fs/exec.c:1234) [ 237.731306][ T832] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 237.731504][ T832] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 237.731743][ T832] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 237.732162][ T832] ? __get_task_comm (fs/exec.c:1234) [ 237.732411][ T832] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 237.732641][ T832] ? __get_task_comm (fs/exec.c:1234) [ 237.732883][ T832] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 237.733471][ T832] ? __get_task_comm (fs/exec.c:1234) [ 237.733714][ T832] __get_task_comm (fs/exec.c:1234) [ 237.733970][ T832] ref_tracker_alloc (lib/ref_tracker.c:217) [ 237.734244][ T832] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 237.734504][ T832] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 237.734751][ T832] ? netdev_get_by_index (net/core/dev.c:914) [ 237.735025][ T832] ? fib6_nh_init (net/ipv6/route.c:3541) [ 237.735271][ T832] ? ip6_route_info_create (net/ipv6/route.c:3808) [ 237.735540][ T832] ? ip6_route_add (net/ipv6/route.c:3851) [ 237.735782][ T832] ? addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 237.736035][ T832] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3599 net/ipv6/addrconf.c:3623) [ 237.736279][ T832] ? addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 237.736519][ T832] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 237.736949][ T832] ? __dev_notify_flags (net/core/dev.c:8800) [ 237.737199][ T832] ? dev_change_flags (net/core/dev.c:8835) [ 237.737465][ T832] ? do_setlink (net/core/rtnetlink.c:2884) [ 237.737705][ T832] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 237.738110][ T832] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 237.738343][ T832] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 237.738590][ T832] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 237.738851][ T832] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 237.739288][ T832] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 237.739558][ T832] netdev_get_by_index (net/core/dev.c:914) [ 237.739830][ T832] fib6_nh_init (net/ipv6/route.c:3541) [ 237.740090][ T832] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 237.740441][ T832] ? __pfx_fib6_nh_init (net/ipv6/route.c:3522) [ 237.740684][ T832] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 237.740936][ T832] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 237.741182][ T832] ? __kmalloc (mm/slub.c:3980) [ 237.741432][ T832] ? fib6_get_table (net/ipv6/ip6_fib.c:295) [ 237.741701][ T832] ip6_route_info_create (net/ipv6/route.c:3808) [ 237.741947][ T832] ? __pfx_ip6_route_info_create (net/ipv6/route.c:3691) [ 237.742241][ T832] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 237.742478][ T832] ip6_route_add (net/ipv6/route.c:3851) [ 237.742868][ T832] addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 237.743115][ T832] ? __pfx_addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 237.743428][ T832] ? 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) [ 237.743664][ T832] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) [ 237.744097][ T832] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 237.744354][ T832] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3621) [ 237.744594][ T832] addrconf_permanent_addr (net/ipv6/addrconf.c:3599 net/ipv6/addrconf.c:3623) [ 237.744832][ T832] addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 237.745220][ T832] ? fib_netdev_event (net/ipv4/fib_frontend.c:1520) [ 237.745469][ T832] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 237.745705][ T832] __dev_notify_flags (net/core/dev.c:8800) [ 237.745943][ T832] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 237.746344][ T832] ? __dev_change_flags (net/core/dev.c:8756) [ 237.746591][ T832] ? __pfx___dev_change_flags (net/core/dev.c:8720) [ 237.746834][ T832] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 237.747089][ T832] dev_change_flags (net/core/dev.c:8835) [ 237.747329][ T832] do_setlink (net/core/rtnetlink.c:2884) [ 237.747574][ T832] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 237.747815][ T832] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 237.748051][ T832] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 237.748283][ T832] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 237.748516][ T832] ? __kernel_text_address (kernel/extable.c:79) [ 237.748744][ T832] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 237.748993][ T832] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 237.749317][ T832] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 237.749719][ T832] ? stack_trace_save (kernel/stacktrace.c:123) [ 237.749958][ T832] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 237.750192][ T832] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 237.750430][ T832] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 237.750775][ T832] ? kasan_save_stack (mm/kasan/common.c:49) [ 237.751021][ T832] ? kasan_save_stack (mm/kasan/common.c:48) [ 237.751271][ T832] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 237.751522][ T832] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 237.752070][ T832] ? rtnl_newlink (./include/linux/slab.h:628 net/core/rtnetlink.c:3723) [ 237.752323][ T832] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 237.752599][ T832] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 237.752842][ T832] ? validate_nla (lib/nlattr.c:513) [ 237.753077][ T832] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 237.753490][ T832] ? __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191) [ 237.753733][ T832] ? __x64_sys_sendto (net/socket.c:2199) [ 237.753985][ T832] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 237.754238][ T832] ? 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) [ 237.754519][ T832] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 237.754778][ T832] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 237.755083][ T832] ? __create_object (mm/kmemleak.c:756) [ 237.755328][ T832] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 237.755596][ T832] rtnl_newlink (net/core/rtnetlink.c:3728) [ 237.755776][ T832] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 237.756043][ T832] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 237.756279][ T832] ? 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) [ 237.756713][ T832] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 237.756907][ T832] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 237.757192][ T832] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 237.757436][ T832] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 237.757680][ T832] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 237.758093][ T832] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 237.758380][ T832] ? 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) [ 237.758645][ T832] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 237.758888][ T832] ? 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) [ 237.759293][ T832] ? 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) [ 237.759556][ T832] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 237.759807][ T832] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 237.760073][ T832] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 237.760313][ T832] ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:835) [ 237.760560][ T832] ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:858) [ 237.760811][ T832] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 237.761080][ T832] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 237.761350][ T832] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 237.761628][ T832] __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191) [ 237.761868][ T832] ? __pfx___sys_sendto (net/socket.c:2161) [ 237.762117][ T832] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 237.762419][ T832] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:960) [ 237.762870][ T832] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:896 ./include/linux/mmzone.h:2029 arch/x86/mm/physaddr.c:65) [ 237.763113][ T832] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 237.763417][ T832] __x64_sys_sendto (net/socket.c:2199) [ 237.763817][ T832] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 237.764150][ T832] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 237.764390][ T832] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 237.764688][ T832] RIP: 0033:0x7fb82e3d3700 [ 237.765147][ T832] Code: ff ff 64 89 02 eb bd 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 1d 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 68 c3 0f 1f 80 00 00 00 00 41 54 48 83 ec 20 All code ======== 0: ff (bad) 1: ff 64 89 02 jmp *0x2(%rcx,%rcx,4) 5: eb bd jmp 0xffffffffffffffc4 7: 0f 1f 00 nopl (%rax) a: f3 0f 1e fa endbr64 e: 41 89 ca mov %ecx,%r10d 11: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 18: 00 19: 85 c0 test %eax,%eax 1b: 75 1d jne 0x3a 1d: 45 31 c9 xor %r9d,%r9d 20: 45 31 c0 xor %r8d,%r8d 23: b8 2c 00 00 00 mov $0x2c,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 68 ja 0x9a 32: c3 ret 33: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 3a: 41 54 push %r12 3c: 48 83 ec 20 sub $0x20,%rsp Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 68 ja 0x70 8: c3 ret 9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 10: 41 54 push %r12 12: 48 83 ec 20 sub $0x20,%rsp [ 237.766057][ T832] RSP: 002b:00007ffcaa3609b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 237.766585][ T832] RAX: ffffffffffffffda RBX: 0000000000001b62 RCX: 00007fb82e3d3700 [ 237.766972][ T832] RDX: 0000000000000020 RSI: 00007ffcaa3609c0 RDI: 0000000000000008 [ 237.767369][ T832] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 237.767755][ T832] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcaa3609c0 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add