====================================== | [ 32.117935][ T273] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 32.118142][ T273] | [ 32.118227][ T273] | [ 32.118227][ T273] stack backtrace: [ 32.118758][ T273] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 32.119219][ T273] Call Trace: [ 32.119341][ T273] [ 32.119425][ T273] dump_stack_lvl (lib/dump_stack.c:117) [ 32.119594][ T273] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 32.119757][ T273] ? 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) [ 32.120009][ T273] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 32.120239][ T273] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 32.120402][ T273] ? __bfs (kernel/locking/lockdep.c:1787) [ 32.120522][ T273] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 32.120776][ T273] check_irq_usage (kernel/locking/lockdep.c:2871) [ 32.120939][ T273] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 32.121104][ T273] ? __bfs (kernel/locking/lockdep.c:1787) [ 32.121227][ T273] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 32.121391][ T273] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 32.121641][ T273] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 32.121802][ T273] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 32.121972][ T273] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 32.122136][ T273] check_prev_add (kernel/locking/lockdep.c:3138) [ 32.122388][ T273] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 32.122550][ T273] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 32.122715][ T273] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 32.122843][ T273] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 32.123005][ T273] ? 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) [ 32.123363][ T273] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 32.123487][ T273] __lock_acquire (kernel/locking/lockdep.c:5137) [ 32.123655][ T273] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 32.123831][ T273] ? __get_task_comm (fs/exec.c:1234) [ 32.124088][ T273] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 32.124214][ T273] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 32.124376][ T273] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 32.124541][ T273] ? __get_task_comm (fs/exec.c:1234) [ 32.124704][ T273] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 32.124968][ T273] ? __get_task_comm (fs/exec.c:1234) [ 32.125136][ T273] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 32.125305][ T273] ? __get_task_comm (fs/exec.c:1234) [ 32.125471][ T273] __get_task_comm (fs/exec.c:1234) [ 32.125667][ T273] ref_tracker_alloc (lib/ref_tracker.c:217) [ 32.125837][ T273] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 32.125999][ T273] ? __lock_release (kernel/locking/lockdep.c:5430) [ 32.126168][ T273] ? rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 32.126460][ T273] ? rt6_disable_ip (net/ipv6/route.c:4910) [ 32.126631][ T273] ? addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 32.126798][ T273] ? addrconf_notify (net/ipv6/addrconf.c:3811) [ 32.126968][ T273] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 32.127221][ T273] ? __netdev_upper_dev_link (./include/linux/notifier.h:207 net/core/dev.c:7869) [ 32.127387][ T273] ? netdev_master_upper_dev_link (net/core/dev.c:7937) [ 32.127588][ T273] ? vrf_add_slave (drivers/net/vrf.c:1118 drivers/net/vrf.c:1142) vrf [ 32.127756][ T273] ? do_setlink (net/core/rtnetlink.c:2891) [ 32.128009][ T273] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 32.128176][ T273] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 32.128340][ T273] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 32.128504][ T273] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 32.128759][ T273] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 32.128926][ T273] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 32.129088][ T273] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 32.129256][ T273] ? in6_dev_get (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/addrconf.h:373) [ 32.129420][ T273] rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 32.129720][ T273] rt6_disable_ip (net/ipv6/route.c:4910) [ 32.129885][ T273] ? __pfx_rt6_disable_ip (net/ipv6/route.c:4907) [ 32.130055][ T273] ? 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) [ 32.130217][ T273] addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 32.130472][ T273] ? __try_to_del_timer_sync (kernel/time/timer.c:1500) [ 32.130641][ T273] ? __pfx_addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:3841) [ 32.130852][ T273] addrconf_notify (net/ipv6/addrconf.c:3811) [ 32.131013][ T273] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 32.131273][ T273] __netdev_upper_dev_link (./include/linux/notifier.h:207 net/core/dev.c:7869) [ 32.131435][ T273] ? __pfx___netdev_upper_dev_link (net/core/dev.c:7821) [ 32.131646][ T273] netdev_master_upper_dev_link (net/core/dev.c:7937) [ 32.131813][ T273] ? __pfx_netdev_master_upper_dev_link (net/core/dev.c:7931) [ 32.132109][ T273] ? 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) [ 32.132275][ T273] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 32.132470][ T273] ? netdev_master_upper_dev_get (net/core/dev.c:7024) [ 32.132765][ T273] vrf_add_slave (drivers/net/vrf.c:1118 drivers/net/vrf.c:1142) vrf [ 32.132932][ T273] do_setlink (net/core/rtnetlink.c:2891) [ 32.133093][ T273] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 32.133257][ T273] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 32.133431][ T273] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 32.133682][ T273] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 32.133857][ T273] ? __kernel_text_address (kernel/extable.c:79) [ 32.134017][ T273] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 32.134178][ T273] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 32.134471][ T273] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 32.134640][ T273] ? stack_trace_save (kernel/stacktrace.c:123) [ 32.134802][ T273] ? __pfx_validate_nla (lib/nlattr.c:396) [ 32.134961][ T273] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 32.135214][ T273] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 32.135338][ T273] ? __nla_validate_parse (lib/nlattr.c:635) [ 32.135502][ T273] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 32.135667][ T273] ? 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) [ 32.136025][ T273] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 32.136194][ T273] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 32.136413][ T273] ? __create_object (mm/kmemleak.c:756) [ 32.136576][ T273] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 32.136837][ T273] rtnl_newlink (net/core/rtnetlink.c:3728) [ 32.136961][ T273] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 32.137123][ T273] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 32.137283][ T273] ? 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) [ 32.137443][ T273] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 32.137566][ T273] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 32.137733][ T273] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 32.137890][ T273] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 32.138054][ T273] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 32.138308][ T273] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 32.138475][ T273] ? 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) [ 32.138636][ T273] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 32.138800][ T273] ? 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) [ 32.138980][ T273] ? 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) [ 32.139231][ T273] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 32.139392][ T273] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 32.139555][ T273] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 32.139719][ T273] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 32.139988][ T273] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 32.140148][ T273] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 32.140312][ T273] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 32.140478][ T273] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 32.140650][ T273] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 32.140817][ T273] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 32.140982][ T273] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 32.141185][ T273] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 32.141442][ T273] ___sys_sendmsg (net/socket.c:2640) [ 32.141603][ T273] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 32.141767][ T273] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 32.141947][ T273] ? __lock_release (kernel/locking/lockdep.c:5430) [ 32.142202][ T273] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 32.142408][ T273] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 32.142574][ T273] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 32.142746][ T273] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 32.143037][ T273] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 32.143205][ T273] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 32.143365][ T273] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 32.143537][ T273] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 32.143804][ T273] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 32.144007][ T273] RIP: 0033:0x7fcb72fc17b7 [ 32.144182][ T273] 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) [ 32.144785][ T273] RSP: 002b:00007fff77229358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 32.145033][ T273] RAX: ffffffffffffffda RBX: 00007fff77229a80 RCX: 00007fcb72fc17b7 [ 32.145380][ T273] RDX: 0000000000000000 RSI: 00007fff772293c0 RDI: 0000000000000005 [ 32.145626][ T273] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 32.145866][ T273] R10: 0000000010125910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add