====================================== | [ 29.214288][ T304] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 29.214473][ T304] | [ 29.214551][ T304] | [ 29.214551][ T304] stack backtrace: [ 29.215053][ T304] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 29.215489][ T304] Call Trace: [ 29.215605][ T304] [ 29.215677][ T304] dump_stack_lvl (lib/dump_stack.c:117) [ 29.215831][ T304] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 29.216073][ T304] ? 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) [ 29.216228][ T304] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 29.216412][ T304] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 29.216565][ T304] ? __bfs (kernel/locking/lockdep.c:1787) [ 29.216684][ T304] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 29.216939][ T304] check_irq_usage (kernel/locking/lockdep.c:2871) [ 29.217115][ T304] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 29.217283][ T304] ? __bfs (kernel/locking/lockdep.c:1787) [ 29.217402][ T304] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 29.217563][ T304] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 29.217724][ T304] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 29.217885][ T304] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 29.218057][ T304] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 29.218312][ T304] check_prev_add (kernel/locking/lockdep.c:3138) [ 29.218467][ T304] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 29.218622][ T304] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 29.218772][ T304] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 29.218888][ T304] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 29.219130][ T304] ? 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) [ 29.219279][ T304] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 29.219384][ T304] __lock_acquire (kernel/locking/lockdep.c:5137) [ 29.219633][ T304] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 29.219779][ T304] ? __get_task_comm (fs/exec.c:1234) [ 29.219926][ T304] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 29.220133][ T304] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 29.220282][ T304] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 29.220428][ T304] ? __get_task_comm (fs/exec.c:1234) [ 29.220665][ T304] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 29.220811][ T304] ? __get_task_comm (fs/exec.c:1234) [ 29.220959][ T304] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 29.221108][ T304] ? __get_task_comm (fs/exec.c:1234) [ 29.221352][ T304] __get_task_comm (fs/exec.c:1234) [ 29.221499][ T304] ref_tracker_alloc (lib/ref_tracker.c:217) [ 29.221650][ T304] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 29.221797][ T304] ? __lock_release (kernel/locking/lockdep.c:5430) [ 29.222034][ T304] ? rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 29.222308][ T304] ? rt6_disable_ip (net/ipv6/route.c:4910) [ 29.222461][ T304] ? addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 29.222609][ T304] ? addrconf_notify (net/ipv6/addrconf.c:3811) [ 29.222751][ T304] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 29.222900][ T304] ? __netdev_upper_dev_link (./include/linux/notifier.h:207 net/core/dev.c:7869) [ 29.223139][ T304] ? netdev_master_upper_dev_link (net/core/dev.c:7937) [ 29.223321][ T304] ? vrf_add_slave (drivers/net/vrf.c:1118 drivers/net/vrf.c:1142) vrf [ 29.223488][ T304] ? do_setlink (net/core/rtnetlink.c:2891) [ 29.223738][ T304] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 29.223904][ T304] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 29.224050][ T304] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 29.224196][ T304] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 29.224341][ T304] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 29.224584][ T304] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 29.224835][ T304] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 29.225075][ T304] ? in6_dev_get (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/addrconf.h:373) [ 29.225419][ T304] rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 29.225617][ T304] rt6_disable_ip (net/ipv6/route.c:4910) [ 29.225873][ T304] ? __pfx_rt6_disable_ip (net/ipv6/route.c:4907) [ 29.226117][ T304] ? 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) [ 29.226455][ T304] addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 29.226702][ T304] ? __try_to_del_timer_sync (kernel/time/timer.c:1500) [ 29.226942][ T304] ? __pfx_addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:3841) [ 29.227355][ T304] addrconf_notify (net/ipv6/addrconf.c:3811) [ 29.227602][ T304] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 29.227757][ T304] __netdev_upper_dev_link (./include/linux/notifier.h:207 net/core/dev.c:7869) [ 29.227999][ T304] ? __pfx___netdev_upper_dev_link (net/core/dev.c:7821) [ 29.228185][ T304] netdev_master_upper_dev_link (net/core/dev.c:7937) [ 29.228439][ T304] ? __pfx_netdev_master_upper_dev_link (net/core/dev.c:7931) [ 29.228632][ T304] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.c:81 kernel/locking/mutex.c:91) [ 29.228779][ T304] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 29.228933][ T304] ? netdev_master_upper_dev_get (net/core/dev.c:7024) [ 29.229221][ T304] vrf_add_slave (drivers/net/vrf.c:1118 drivers/net/vrf.c:1142) vrf [ 29.229379][ T304] do_setlink (net/core/rtnetlink.c:2891) [ 29.229631][ T304] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 29.229779][ T304] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 29.229927][ T304] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 29.230076][ T304] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 29.230222][ T304] ? __kernel_text_address (kernel/extable.c:79) [ 29.230379][ T304] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 29.230616][ T304] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 29.230802][ T304] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 29.230963][ T304] ? stack_trace_save (kernel/stacktrace.c:123) [ 29.231113][ T304] ? __pfx_validate_nla (lib/nlattr.c:396) [ 29.231359][ T304] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 29.231505][ T304] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 29.231628][ T304] ? __nla_validate_parse (lib/nlattr.c:635) [ 29.231777][ T304] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 29.231924][ T304] ? 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) [ 29.232161][ T304] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 29.232310][ T304] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 29.232498][ T304] ? __create_object (mm/kmemleak.c:756) [ 29.232653][ T304] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 29.232897][ T304] rtnl_newlink (net/core/rtnetlink.c:3728) [ 29.233011][ T304] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 29.233161][ T304] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 29.233306][ T304] ? 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) [ 29.233551][ T304] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 29.233663][ T304] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 29.233811][ T304] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 29.233960][ T304] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 29.234110][ T304] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 29.234433][ T304] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 29.234604][ T304] ? 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) [ 29.234760][ T304] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 29.234908][ T304] ? 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) [ 29.235156][ T304] ? 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) [ 29.235312][ T304] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 29.235459][ T304] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 29.235607][ T304] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 29.235847][ T304] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 29.235998][ T304] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 29.236145][ T304] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 29.236291][ T304] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 29.236436][ T304] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 29.236588][ T304] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 29.236738][ T304] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 29.236884][ T304] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 29.237172][ T304] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 29.237322][ T304] ___sys_sendmsg (net/socket.c:2640) [ 29.237469][ T304] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 29.237623][ T304] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 29.237775][ T304] ? __lock_release (kernel/locking/lockdep.c:5430) [ 29.238019][ T304] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 29.238200][ T304] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 29.238344][ T304] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 29.238493][ T304] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 29.238690][ T304] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 29.238848][ T304] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 29.238997][ T304] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 29.239244][ T304] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 29.239390][ T304] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 29.239572][ T304] RIP: 0033:0x7f4f44e477b7 [ 29.239724][ T304] 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) [ 29.240344][ T304] RSP: 002b:00007ffd6cf8bbb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 29.240571][ T304] RAX: ffffffffffffffda RBX: 00007ffd6cf8c2e0 RCX: 00007f4f44e477b7 [ 29.240995][ T304] RDX: 0000000000000000 RSI: 00007ffd6cf8bc20 RDI: 0000000000000005 [ 29.241215][ T304] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 29.241443][ T304] R10: 000000003e201910 R11: 0000000000000246 R12: 0000000000000003 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add