====================================== | [ 99.626921][ T1073] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 99.627104][ T1073] | [ 99.627178][ T1073] | [ 99.627178][ T1073] stack backtrace: [ 99.627574][ T1073] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 99.627897][ T1073] Call Trace: [ 99.628014][ T1073] [ 99.628088][ T1073] dump_stack_lvl (lib/dump_stack.c:117) [ 99.628241][ T1073] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 99.628392][ T1073] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 99.628581][ T1073] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 99.628727][ T1073] ? __bfs (kernel/locking/lockdep.c:1787) [ 99.628838][ T1073] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 99.628983][ T1073] check_irq_usage (kernel/locking/lockdep.c:2871) [ 99.629130][ T1073] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 99.629277][ T1073] ? __bfs (kernel/locking/lockdep.c:1787) [ 99.629387][ T1073] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 99.629536][ T1073] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 99.629685][ T1073] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 99.629833][ T1073] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 99.629979][ T1073] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 99.630129][ T1073] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 99.630273][ T1073] check_prev_add (kernel/locking/lockdep.c:3138) [ 99.630419][ T1073] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 99.630565][ T1073] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 99.630713][ T1073] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 99.630825][ T1073] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 99.630971][ T1073] ? 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) [ 99.631117][ T1073] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 99.631228][ T1073] __lock_acquire (kernel/locking/lockdep.c:5137) [ 99.631381][ T1073] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 99.631528][ T1073] ? __get_task_comm (fs/exec.c:1234) [ 99.631675][ T1073] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 99.631786][ T1073] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 99.631937][ T1073] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 99.632083][ T1073] ? __get_task_comm (fs/exec.c:1234) [ 99.632227][ T1073] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 99.632372][ T1073] ? __get_task_comm (fs/exec.c:1234) [ 99.632518][ T1073] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 99.632663][ T1073] ? __get_task_comm (fs/exec.c:1234) [ 99.632807][ T1073] __get_task_comm (fs/exec.c:1234) [ 99.632953][ T1073] ref_tracker_alloc (lib/ref_tracker.c:217) [ 99.633099][ T1073] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 99.633248][ T1073] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 99.633392][ T1073] ? netdev_get_by_index (net/core/dev.c:914) [ 99.633537][ T1073] ? fib6_nh_init (net/ipv6/route.c:3541) [ 99.633681][ T1073] ? ip6_route_info_create (net/ipv6/route.c:3808) [ 99.633827][ T1073] ? addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 99.633972][ T1073] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 99.634119][ T1073] ? addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 99.634267][ T1073] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 99.634413][ T1073] ? __dev_notify_flags (net/core/dev.c:8800) [ 99.634559][ T1073] ? dev_change_flags (net/core/dev.c:8835) [ 99.634704][ T1073] ? do_setlink (net/core/rtnetlink.c:2884) [ 99.634849][ T1073] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 99.634994][ T1073] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 99.635139][ T1073] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 99.635283][ T1073] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 99.635430][ T1073] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 99.635580][ T1073] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 99.635727][ T1073] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 99.635874][ T1073] netdev_get_by_index (net/core/dev.c:914) [ 99.636021][ T1073] fib6_nh_init (net/ipv6/route.c:3541) [ 99.636168][ T1073] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 99.636350][ T1073] ? __pfx_fib6_nh_init (net/ipv6/route.c:3522) [ 99.636494][ T1073] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 99.636643][ T1073] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 99.636793][ T1073] ? __kmalloc (mm/slub.c:3980) [ 99.636942][ T1073] ip6_route_info_create (net/ipv6/route.c:3808) [ 99.637087][ T1073] ? __lock_release (kernel/locking/lockdep.c:5430) [ 99.637236][ T1073] ? __pfx_ip6_route_info_create (net/ipv6/route.c:3691) [ 99.637422][ T1073] ? addrconf_f6i_alloc (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/l3mdev.h:138 net/ipv6/route.c:4564) [ 99.637569][ T1073] addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 99.637717][ T1073] ? __pfx_addrconf_f6i_alloc (net/ipv6/route.c:4562) [ 99.637862][ T1073] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 99.638015][ T1073] ? 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) [ 99.638163][ T1073] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) [ 99.638307][ T1073] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 99.638453][ T1073] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3621) [ 99.638601][ T1073] addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 99.638749][ T1073] addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 99.638896][ T1073] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 99.639042][ T1073] __dev_notify_flags (net/core/dev.c:8800) [ 99.639193][ T1073] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 99.639340][ T1073] ? __dev_change_flags (net/core/dev.c:8756) [ 99.639486][ T1073] ? __pfx___dev_change_flags (net/core/dev.c:8720) [ 99.639630][ T1073] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 99.639784][ T1073] dev_change_flags (net/core/dev.c:8835) [ 99.639930][ T1073] do_setlink (net/core/rtnetlink.c:2884) [ 99.640076][ T1073] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 99.640221][ T1073] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 99.640369][ T1073] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 99.640515][ T1073] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 99.640662][ T1073] ? __kernel_text_address (kernel/extable.c:79) [ 99.640808][ T1073] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 99.640954][ T1073] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 99.641136][ T1073] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 99.641286][ T1073] ? stack_trace_save (kernel/stacktrace.c:123) [ 99.641432][ T1073] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 99.641581][ T1073] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 99.641728][ T1073] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 99.641840][ T1073] ? kasan_save_stack (mm/kasan/common.c:49) [ 99.641986][ T1073] ? kasan_save_stack (mm/kasan/common.c:48) [ 99.642131][ T1073] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 99.642278][ T1073] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 99.642423][ T1073] ? rtnl_newlink (./include/linux/slab.h:628 net/core/rtnetlink.c:3723) [ 99.642569][ T1073] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 99.642720][ T1073] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 99.642869][ T1073] ? validate_nla (lib/nlattr.c:513) [ 99.643016][ T1073] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 99.643163][ T1073] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 99.643309][ T1073] ? ___sys_sendmsg (net/socket.c:2640) [ 99.643457][ T1073] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 99.643696][ T1073] ? 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) [ 99.643842][ T1073] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 99.643991][ T1073] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 99.644179][ T1073] ? __create_object (mm/kmemleak.c:756) [ 99.644418][ T1073] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 99.644565][ T1073] rtnl_newlink (net/core/rtnetlink.c:3728) [ 99.644676][ T1073] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 99.644821][ T1073] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 99.644966][ T1073] ? 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) [ 99.645203][ T1073] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 99.645315][ T1073] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 99.645464][ T1073] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 99.645611][ T1073] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 99.645851][ T1073] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 99.645997][ T1073] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 99.646145][ T1073] ? 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) [ 99.646289][ T1073] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 99.646434][ T1073] ? 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) [ 99.646579][ T1073] ? 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) [ 99.646728][ T1073] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 99.646874][ T1073] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 99.647021][ T1073] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 99.647256][ T1073] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 99.647402][ T1073] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 99.647548][ T1073] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 99.647693][ T1073] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 99.647937][ T1073] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 99.648087][ T1073] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 99.648234][ T1073] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 99.648378][ T1073] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 99.648646][ T1073] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 99.648794][ T1073] ___sys_sendmsg (net/socket.c:2640) [ 99.648949][ T1073] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 99.649095][ T1073] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 99.649329][ T1073] ? __lock_release (kernel/locking/lockdep.c:5430) [ 99.649477][ T1073] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 99.649659][ T1073] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 99.649813][ T1073] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 99.650049][ T1073] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 99.650230][ T1073] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 99.650377][ T1073] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 99.650523][ T1073] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 99.650766][ T1073] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 99.650919][ T1073] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 99.651104][ T1073] RIP: 0033:0x7f51e201f7b7 [ 99.651256][ T1073] 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) [ 99.651865][ T1073] RSP: 002b:00007ffd575b1da8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 99.652188][ T1073] RAX: ffffffffffffffda RBX: 00007ffd575b24e0 RCX: 00007f51e201f7b7 [ 99.652406][ T1073] RDX: 0000000000000000 RSI: 00007ffd575b1e10 RDI: 0000000000000005 [ 99.652622][ T1073] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 99.652930][ T1073] R10: 00007f51e1edd4a8 R11: 0000000000000246 R12: 0000000000000003 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add