====================================== | [ 35.163236][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 35.163534][ T345] | [ 35.163616][ T345] | [ 35.163616][ T345] stack backtrace: [ 35.164061][ T345] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 35.164422][ T345] Call Trace: [ 35.164543][ T345] [ 35.164625][ T345] dump_stack_lvl (lib/dump_stack.c:117) [ 35.164792][ T345] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 35.164955][ T345] ? 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) [ 35.165120][ T345] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 35.165324][ T345] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 35.165484][ T345] ? __bfs (kernel/locking/lockdep.c:1787) [ 35.165607][ T345] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 35.165770][ T345] check_irq_usage (kernel/locking/lockdep.c:2871) [ 35.165935][ T345] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 35.166097][ T345] ? __bfs (kernel/locking/lockdep.c:1787) [ 35.166219][ T345] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 35.166474][ T345] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 35.166635][ T345] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 35.166800][ T345] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 35.166965][ T345] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 35.167246][ T345] check_prev_add (kernel/locking/lockdep.c:3138) [ 35.167409][ T345] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 35.167593][ T345] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 35.167758][ T345] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 35.167992][ T345] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 35.168165][ T345] ? 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) [ 35.168341][ T345] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 35.168464][ T345] __lock_acquire (kernel/locking/lockdep.c:5137) [ 35.168637][ T345] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 35.168904][ T345] ? __get_task_comm (fs/exec.c:1234) [ 35.169081][ T345] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 35.169204][ T345] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 35.169369][ T345] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 35.169638][ T345] ? __get_task_comm (fs/exec.c:1234) [ 35.169815][ T345] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 35.169979][ T345] ? __get_task_comm (fs/exec.c:1234) [ 35.170140][ T345] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 35.170318][ T345] ? __get_task_comm (fs/exec.c:1234) [ 35.170591][ T345] __get_task_comm (fs/exec.c:1234) [ 35.170753][ T345] ref_tracker_alloc (lib/ref_tracker.c:217) [ 35.170916][ T345] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 35.171077][ T345] ? __lock_release (kernel/locking/lockdep.c:5430) [ 35.171326][ T345] ? rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 35.171525][ T345] ? rt6_disable_ip (net/ipv6/route.c:4910) [ 35.171690][ T345] ? addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 35.171850][ T345] ? addrconf_notify (net/ipv6/addrconf.c:3811) [ 35.172109][ T345] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 35.172268][ T345] ? __netdev_upper_dev_link (./include/linux/notifier.h:207 net/core/dev.c:7869) [ 35.172429][ T345] ? netdev_master_upper_dev_link (net/core/dev.c:7937) [ 35.172628][ T345] ? vrf_add_slave (drivers/net/vrf.c:1118 drivers/net/vrf.c:1142) vrf [ 35.172977][ T345] ? rtnl_newlink_create (net/core/rtnetlink.c:3512) [ 35.173135][ T345] ? __rtnl_newlink (net/core/rtnetlink.c:3714) [ 35.173309][ T345] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 35.173469][ T345] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 35.173726][ T345] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 35.173885][ T345] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 35.174045][ T345] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 35.174204][ T345] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 35.174452][ T345] ? in6_dev_get (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/addrconf.h:373) [ 35.174613][ T345] rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 35.174814][ T345] rt6_disable_ip (net/ipv6/route.c:4910) [ 35.174974][ T345] ? __pfx_rt6_disable_ip (net/ipv6/route.c:4907) [ 35.175232][ T345] ? 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) [ 35.175395][ T345] addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 35.175557][ T345] ? __try_to_del_timer_sync (kernel/time/timer.c:1500) [ 35.175719][ T345] ? __pfx_addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:3841) [ 35.176009][ T345] addrconf_notify (net/ipv6/addrconf.c:3811) [ 35.176170][ T345] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 35.176335][ T345] __netdev_upper_dev_link (./include/linux/notifier.h:207 net/core/dev.c:7869) [ 35.176495][ T345] ? __pfx___netdev_upper_dev_link (net/core/dev.c:7821) [ 35.176787][ T345] ? __dev_notify_flags (net/core/dev.c:8800) [ 35.176948][ T345] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 35.177106][ T345] ? __dev_change_flags (net/core/dev.c:8756) [ 35.177268][ T345] netdev_master_upper_dev_link (net/core/dev.c:7937) [ 35.177430][ T345] ? __pfx_netdev_master_upper_dev_link (net/core/dev.c:7931) [ 35.177738][ T345] ? __pfx_macvlan_common_newlink (drivers/net/macvlan.c:1444) macvlan [ 35.177942][ T345] ? 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) [ 35.178104][ T345] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 35.178265][ T345] ? netdev_master_upper_dev_get (net/core/dev.c:7024) [ 35.178466][ T345] vrf_add_slave (drivers/net/vrf.c:1118 drivers/net/vrf.c:1142) vrf [ 35.178633][ T345] rtnl_newlink_create (net/core/rtnetlink.c:3512) [ 35.178794][ T345] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3445) [ 35.178956][ T345] __rtnl_newlink (net/core/rtnetlink.c:3714) [ 35.179115][ T345] ? 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) [ 35.179271][ T345] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 35.179436][ T345] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 35.179641][ T345] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 35.179803][ T345] rtnl_newlink (net/core/rtnetlink.c:3728) [ 35.179925][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 35.180085][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 35.180245][ T345] ? 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) [ 35.180495][ T345] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 35.180618][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 35.180783][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 35.180943][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 35.181190][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 35.181350][ T345] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 35.181513][ T345] ? 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) [ 35.181673][ T345] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 35.181836][ T345] ? 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) [ 35.182085][ T345] ? 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) [ 35.182248][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 35.182409][ T345] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 35.182570][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 35.182819][ T345] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 35.182981][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 35.183140][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 35.183314][ T345] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 35.183579][ T345] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 35.183744][ T345] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 35.183905][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 35.184068][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 35.184267][ T345] ? __lock_release (kernel/locking/lockdep.c:5430) [ 35.184425][ T345] ? do_fault_around (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 mm/memory.c:4855) [ 35.184586][ T345] ___sys_sendmsg (net/socket.c:2640) [ 35.184748][ T345] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 35.184909][ T345] ? 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) [ 35.185073][ T345] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 35.185193][ T345] ? __pfx_filemap_map_pages (mm/filemap.c:3565) [ 35.185353][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 35.185512][ T345] ? usage_skip (kernel/locking/lockdep.c:2295 kernel/locking/lockdep.c:2263) [ 35.185766][ T345] ? do_user_addr_fault (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/mm.h:700 arch/x86/mm/fault.c:1364) [ 35.185926][ T345] ? reacquire_held_locks (kernel/locking/lockdep.c:5279) [ 35.186087][ T345] ? do_user_addr_fault (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/mm.h:700 arch/x86/mm/fault.c:1364) [ 35.186250][ T345] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 35.186507][ T345] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 35.186691][ T345] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 35.186852][ T345] ? __up_read (./arch/x86/include/asm/atomic64_64.h:79 ./include/linux/atomic/atomic-arch-fallback.h:2749 ./include/linux/atomic/atomic-long.h:184 ./include/linux/atomic/atomic-instrumented.h:3317 kernel/locking/rwsem.c:1347) [ 35.187015][ T345] ? do_user_addr_fault (./include/linux/rcupdate.h:815 ./include/linux/mm.h:702 arch/x86/mm/fault.c:1364) [ 35.187177][ T345] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 35.187340][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 35.187539][ T345] RIP: 0033:0x7fc18f5e07b7 [ 35.187727][ T345] 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) [ 35.188430][ T345] RSP: 002b:00007ffc58d46818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.188673][ T345] RAX: ffffffffffffffda RBX: 00007ffc58d46f40 RCX: 00007fc18f5e07b7 [ 35.189025][ T345] RDX: 0000000000000000 RSI: 00007ffc58d46880 RDI: 0000000000000005 [ 35.189289][ T345] RBP: 0000000000000002 R08: 0000000000000068 R09: 0000000000000001 [ 35.189635][ T345] R10: 0000000000404b10 R11: 0000000000000246 R12: 00007ffc58d46f98 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add