====================================== | [ 99.978165][ T1075] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 99.978460][ T1075] | [ 99.978546][ T1075] | [ 99.978546][ T1075] stack backtrace: [ 99.979099][ T1075] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 99.979471][ T1075] Call Trace: [ 99.979600][ T1075] [ 99.979684][ T1075] dump_stack_lvl (lib/dump_stack.c:117) [ 99.979848][ T1075] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 99.980017][ T1075] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 99.980223][ T1075] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 99.980387][ T1075] ? __bfs (kernel/locking/lockdep.c:1787) [ 99.980510][ T1075] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 99.980675][ T1075] check_irq_usage (kernel/locking/lockdep.c:2871) [ 99.980839][ T1075] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 99.981004][ T1075] ? __bfs (kernel/locking/lockdep.c:1787) [ 99.981130][ T1075] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 99.981396][ T1075] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 99.981559][ T1075] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 99.981728][ T1075] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 99.981894][ T1075] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 99.982153][ T1075] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 99.982314][ T1075] check_prev_add (kernel/locking/lockdep.c:3138) [ 99.982478][ T1075] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 99.982643][ T1075] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 99.982902][ T1075] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 99.983027][ T1075] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 99.983191][ T1075] ? 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) [ 99.983351][ T1075] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 99.983473][ T1075] __lock_acquire (kernel/locking/lockdep.c:5137) [ 99.983741][ T1075] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 99.983904][ T1075] ? __get_task_comm (fs/exec.c:1234) [ 99.984070][ T1075] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 99.984202][ T1075] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 99.984365][ T1075] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 99.984617][ T1075] ? __get_task_comm (fs/exec.c:1234) [ 99.984778][ T1075] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 99.984938][ T1075] ? __get_task_comm (fs/exec.c:1234) [ 99.985100][ T1075] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 99.985446][ T1075] ? __get_task_comm (fs/exec.c:1234) [ 99.985608][ T1075] __get_task_comm (fs/exec.c:1234) [ 99.985768][ T1075] ref_tracker_alloc (lib/ref_tracker.c:217) [ 99.985929][ T1075] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 99.986183][ T1075] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 99.986345][ T1075] ? netdev_get_by_index (net/core/dev.c:914) [ 99.986506][ T1075] ? fib6_nh_init (net/ipv6/route.c:3541) [ 99.986666][ T1075] ? ip6_route_info_create (net/ipv6/route.c:3808) [ 99.986917][ T1075] ? addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 99.987082][ T1075] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 99.987244][ T1075] ? addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 99.987404][ T1075] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 99.987570][ T1075] ? __dev_notify_flags (net/core/dev.c:8800) [ 99.987823][ T1075] ? dev_change_flags (net/core/dev.c:8835) [ 99.987984][ T1075] ? do_setlink (net/core/rtnetlink.c:2884) [ 99.988146][ T1075] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 99.988307][ T1075] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 99.988561][ T1075] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 99.988724][ T1075] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 99.988885][ T1075] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 99.989047][ T1075] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 99.989301][ T1075] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 99.989466][ T1075] netdev_get_by_index (net/core/dev.c:914) [ 99.989625][ T1075] fib6_nh_init (net/ipv6/route.c:3541) [ 99.989786][ T1075] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 99.990102][ T1075] ? __pfx_fib6_nh_init (net/ipv6/route.c:3522) [ 99.990264][ T1075] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 99.990429][ T1075] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 99.990599][ T1075] ? __kmalloc (mm/slub.c:3980) [ 99.990773][ T1075] ip6_route_info_create (net/ipv6/route.c:3808) [ 99.990935][ T1075] ? __lock_release (kernel/locking/lockdep.c:5430) [ 99.991106][ T1075] ? __pfx_ip6_route_info_create (net/ipv6/route.c:3691) [ 99.991315][ T1075] ? addrconf_f6i_alloc (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/l3mdev.h:138 net/ipv6/route.c:4564) [ 99.991478][ T1075] addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 99.991640][ T1075] ? __pfx_addrconf_f6i_alloc (net/ipv6/route.c:4562) [ 99.991801][ T1075] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 99.991970][ T1075] ? 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) [ 99.992139][ T1075] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) [ 99.992394][ T1075] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 99.992556][ T1075] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3621) [ 99.992723][ T1075] addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 99.992888][ T1075] addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 99.993167][ T1075] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 99.993331][ T1075] __dev_notify_flags (net/core/dev.c:8800) [ 99.993498][ T1075] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 99.993666][ T1075] ? __dev_change_flags (net/core/dev.c:8756) [ 99.993828][ T1075] ? __pfx___dev_change_flags (net/core/dev.c:8720) [ 99.993989][ T1075] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 99.994154][ T1075] dev_change_flags (net/core/dev.c:8835) [ 99.994318][ T1075] do_setlink (net/core/rtnetlink.c:2884) [ 99.994483][ T1075] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 99.994644][ T1075] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 99.994807][ T1075] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 99.994967][ T1075] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 99.995133][ T1075] ? __kernel_text_address (kernel/extable.c:79) [ 99.995389][ T1075] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 99.995554][ T1075] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 99.995755][ T1075] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 99.995920][ T1075] ? stack_trace_save (kernel/stacktrace.c:123) [ 99.996193][ T1075] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 99.996362][ T1075] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 99.996533][ T1075] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 99.996659][ T1075] ? kasan_save_stack (mm/kasan/common.c:49) [ 99.996820][ T1075] ? kasan_save_stack (mm/kasan/common.c:48) [ 99.996982][ T1075] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 99.997152][ T1075] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 99.997317][ T1075] ? rtnl_newlink (./include/linux/slab.h:628 net/core/rtnetlink.c:3723) [ 99.997570][ T1075] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 99.997737][ T1075] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 99.997896][ T1075] ? validate_nla (lib/nlattr.c:513) [ 99.998059][ T1075] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 99.998221][ T1075] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 99.998474][ T1075] ? ___sys_sendmsg (net/socket.c:2640) [ 99.998637][ T1075] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 99.998803][ T1075] ? 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) [ 99.998964][ T1075] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 99.999221][ T1075] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 99.999427][ T1075] ? __create_object (mm/kmemleak.c:756) [ 99.999593][ T1075] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 99.999757][ T1075] rtnl_newlink (net/core/rtnetlink.c:3728) [ 99.999886][ T1075] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 100.000048][ T1075] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 100.000220][ T1075] ? 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) [ 100.000388][ T1075] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 100.000512][ T1075] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 100.000768][ T1075] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 100.000935][ T1075] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 100.001101][ T1075] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 100.001262][ T1075] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 100.001517][ T1075] ? 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) [ 100.001681][ T1075] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 100.001842][ T1075] ? 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) [ 100.002002][ T1075] ? 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) [ 100.002264][ T1075] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 100.002439][ T1075] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 100.002614][ T1075] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 100.002788][ T1075] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 100.003077][ T1075] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 100.003254][ T1075] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 100.003430][ T1075] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 100.003612][ T1075] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 100.003792][ T1075] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 100.003966][ T1075] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 100.004141][ T1075] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 100.004356][ T1075] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 100.004538][ T1075] ___sys_sendmsg (net/socket.c:2640) [ 100.004712][ T1075] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 100.004884][ T1075] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 100.005056][ T1075] ? __lock_release (kernel/locking/lockdep.c:5430) [ 100.005231][ T1075] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 100.005547][ T1075] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 100.005711][ T1075] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 100.005874][ T1075] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 100.006077][ T1075] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 100.006335][ T1075] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 100.006497][ T1075] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 100.006662][ T1075] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 100.006827][ T1075] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 100.007130][ T1075] RIP: 0033:0x7fb438a927b7 [ 100.007298][ T1075] 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) [ 100.007869][ T1075] RSP: 002b:00007ffd7aa1f4c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 100.008127][ T1075] RAX: ffffffffffffffda RBX: 00007ffd7aa1fc00 RCX: 00007fb438a927b7 [ 100.008374][ T1075] RDX: 0000000000000000 RSI: 00007ffd7aa1f530 RDI: 0000000000000005 [ 100.008615][ T1075] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 100.008866][ T1075] R10: 00007fb4389504a8 R11: 0000000000000246 R12: 0000000000000003 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add