====================================== | [ 29.201704][ T289] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 29.201971][ T289] | [ 29.202043][ T289] | [ 29.202043][ T289] stack backtrace: [ 29.202433][ T289] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 29.202836][ T289] Call Trace: [ 29.202947][ T289] [ 29.203020][ T289] dump_stack_lvl (lib/dump_stack.c:117) [ 29.203164][ T289] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 29.203389][ T289] ? 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) [ 29.203532][ T289] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 29.203706][ T289] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 29.203845][ T289] ? __bfs (kernel/locking/lockdep.c:1787) [ 29.204037][ T289] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 29.204177][ T289] check_irq_usage (kernel/locking/lockdep.c:2871) [ 29.204319][ T289] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 29.204476][ T289] ? __bfs (kernel/locking/lockdep.c:1787) [ 29.204584][ T289] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 29.204820][ T289] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 29.204962][ T289] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 29.205107][ T289] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 29.205254][ T289] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 29.205485][ T289] check_prev_add (kernel/locking/lockdep.c:3138) [ 29.205630][ T289] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 29.205778][ T289] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 29.205934][ T289] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 29.206061][ T289] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 29.206296][ T289] ? 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) [ 29.206439][ T289] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 29.206549][ T289] __lock_acquire (kernel/locking/lockdep.c:5137) [ 29.206696][ T289] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 29.206935][ T289] ? __get_task_comm (fs/exec.c:1234) [ 29.207078][ T289] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 29.207188][ T289] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 29.207333][ T289] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 29.207479][ T289] ? __get_task_comm (fs/exec.c:1234) [ 29.207711][ T289] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 29.207856][ T289] ? __get_task_comm (fs/exec.c:1234) [ 29.208001][ T289] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 29.208144][ T289] ? __get_task_comm (fs/exec.c:1234) [ 29.208375][ T289] __get_task_comm (fs/exec.c:1234) [ 29.208524][ T289] ref_tracker_alloc (lib/ref_tracker.c:217) [ 29.208671][ T289] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 29.208813][ T289] ? __lock_release (kernel/locking/lockdep.c:5430) [ 29.209049][ T289] ? rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 29.209226][ T289] ? rt6_disable_ip (net/ipv6/route.c:4910) [ 29.209368][ T289] ? addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 29.209510][ T289] ? addrconf_notify (net/ipv6/addrconf.c:3811) [ 29.209739][ T289] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 29.209888][ T289] ? __netdev_upper_dev_link (./include/linux/notifier.h:207 net/core/dev.c:7869) [ 29.210029][ T289] ? netdev_master_upper_dev_link (net/core/dev.c:7937) [ 29.210200][ T289] ? vrf_add_slave (drivers/net/vrf.c:1118 drivers/net/vrf.c:1142) [ 29.210512][ T289] ? do_setlink (net/core/rtnetlink.c:2891) [ 29.210650][ T289] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 29.210787][ T289] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 29.210925][ T289] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 29.211172][ T289] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 29.211314][ T289] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 29.211456][ T289] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 29.211599][ T289] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 29.211741][ T289] ? in6_dev_get (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/addrconf.h:373) [ 29.211976][ T289] rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 29.212157][ T289] rt6_disable_ip (net/ipv6/route.c:4910) [ 29.212302][ T289] ? __pfx_rt6_disable_ip (net/ipv6/route.c:4907) [ 29.212444][ T289] ? 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) [ 29.212589][ T289] addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 29.212733][ T289] ? __try_to_del_timer_sync (kernel/time/timer.c:1500) [ 29.212876][ T289] ? __pfx_addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:3841) [ 29.213062][ T289] addrconf_notify (net/ipv6/addrconf.c:3811) [ 29.213291][ T289] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 29.213435][ T289] __netdev_upper_dev_link (./include/linux/notifier.h:207 net/core/dev.c:7869) [ 29.213579][ T289] ? __pfx___netdev_upper_dev_link (net/core/dev.c:7821) [ 29.213757][ T289] ? __dev_change_flags (net/core/dev.c:8751) [ 29.213986][ T289] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 29.214131][ T289] ? __dev_change_flags (net/core/dev.c:8751) [ 29.214273][ T289] netdev_master_upper_dev_link (net/core/dev.c:7937) [ 29.214419][ T289] ? __pfx_netdev_master_upper_dev_link (net/core/dev.c:7931) [ 29.214682][ T289] ? 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) [ 29.214825][ T289] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 29.214976][ T289] ? netdev_master_upper_dev_get (net/core/dev.c:7024) [ 29.215151][ T289] vrf_add_slave (drivers/net/vrf.c:1118 drivers/net/vrf.c:1142) [ 29.215375][ T289] do_setlink (net/core/rtnetlink.c:2891) [ 29.215513][ T289] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 29.215652][ T289] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 29.215794][ T289] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 29.216017][ T289] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 29.216159][ T289] ? __kernel_text_address (kernel/extable.c:79) [ 29.216297][ T289] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 29.216436][ T289] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 29.216693][ T289] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 29.216835][ T289] ? stack_trace_save (kernel/stacktrace.c:123) [ 29.216975][ T289] ? __pfx_validate_nla (lib/nlattr.c:396) [ 29.217118][ T289] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 29.217341][ T289] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 29.217448][ T289] ? __nla_validate_parse (lib/nlattr.c:627 (discriminator 1)) [ 29.217589][ T289] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 29.217729][ T289] ? 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) [ 29.217867][ T289] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 29.218093][ T289] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 29.218270][ T289] ? __create_object (mm/kmemleak.c:756) [ 29.218410][ T289] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 29.218573][ T289] rtnl_newlink (net/core/rtnetlink.c:3728) [ 29.218770][ T289] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 29.218913][ T289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 29.219054][ T289] ? 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) [ 29.219198][ T289] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 29.219396][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 29.219540][ T289] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 29.219685][ T289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 29.219835][ T289] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 29.219975][ T289] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 29.220119][ T289] ? 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) [ 29.220258][ T289] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 29.220397][ T289] ? 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) [ 29.220535][ T289] ? 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) [ 29.220781][ T289] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 29.220926][ T289] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 29.221070][ T289] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 29.221214][ T289] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 29.221532][ T289] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 29.221679][ T289] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 29.221830][ T289] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 29.221971][ T289] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 29.222197][ T289] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 29.222341][ T289] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 29.222479][ T289] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 29.222651][ T289] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 29.222878][ T289] ___sys_sendmsg (net/socket.c:2640) [ 29.223018][ T289] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 29.223157][ T289] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 29.223316][ T289] ? __lock_release (kernel/locking/lockdep.c:5430) [ 29.223459][ T289] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 29.223726][ T289] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 29.223871][ T289] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 29.224016][ T289] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 29.224282][ T289] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 29.224428][ T289] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 29.224579][ T289] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 29.224722][ T289] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 29.224884][ T289] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 29.225149][ T289] RIP: 0033:0x7f3754bb07b7 [ 29.225298][ T289] 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) [ 29.225897][ T289] RSP: 002b:00007ffd7f7da128 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 29.226124][ T289] RAX: ffffffffffffffda RBX: 00007ffd7f7da860 RCX: 00007f3754bb07b7 [ 29.226424][ T289] RDX: 0000000000000000 RSI: 00007ffd7f7da190 RDI: 0000000000000005 [ 29.226631][ T289] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 29.226861][ T289] R10: 000000000f380910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add