====================================== | [ 57.765090][ T547] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 57.765292][ T547] | [ 57.765379][ T547] | [ 57.765379][ T547] stack backtrace: [ 57.765906][ T547] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 57.766301][ T547] Call Trace: [ 57.766440][ T547] [ 57.766617][ T547] dump_stack_lvl (lib/dump_stack.c:117) [ 57.766784][ T547] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 57.766950][ T547] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 57.767156][ T547] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 57.767411][ T547] ? __bfs (kernel/locking/lockdep.c:1787) [ 57.767534][ T547] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 57.767695][ T547] check_irq_usage (kernel/locking/lockdep.c:2871) [ 57.767861][ T547] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 57.768026][ T547] ? __bfs (kernel/locking/lockdep.c:1787) [ 57.768242][ T547] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 57.768410][ T547] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 57.768575][ T547] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 57.768736][ T547] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 57.768998][ T547] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 57.769164][ T547] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 57.769328][ T547] check_prev_add (kernel/locking/lockdep.c:3138) [ 57.769491][ T547] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 57.769651][ T547] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 57.770005][ T547] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 57.770131][ T547] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 57.770293][ T547] ? 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) [ 57.770451][ T547] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 57.770676][ T547] __lock_acquire (kernel/locking/lockdep.c:5137) [ 57.770848][ T547] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 57.771011][ T547] ? __get_task_comm (fs/exec.c:1234) [ 57.771174][ T547] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 57.771303][ T547] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 57.771472][ T547] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 57.771642][ T547] ? __get_task_comm (fs/exec.c:1234) [ 57.771803][ T547] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 57.771965][ T547] ? __get_task_comm (fs/exec.c:1234) [ 57.772245][ T547] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 57.772413][ T547] ? __get_task_comm (fs/exec.c:1234) [ 57.772572][ T547] __get_task_comm (fs/exec.c:1234) [ 57.772742][ T547] ref_tracker_alloc (lib/ref_tracker.c:217) [ 57.773014][ T547] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 57.773175][ T547] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 57.773336][ T547] ? netdev_get_by_index (net/core/dev.c:914) [ 57.773507][ T547] ? fib6_nh_init (net/ipv6/route.c:3541) [ 57.773674][ T547] ? ip6_route_info_create (net/ipv6/route.c:3808) [ 57.773936][ T547] ? addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 57.774099][ T547] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 57.774270][ T547] ? addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 57.774439][ T547] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 57.774698][ T547] ? __dev_notify_flags (net/core/dev.c:8800) [ 57.774871][ T547] ? dev_change_flags (net/core/dev.c:8835) [ 57.775030][ T547] ? do_setlink (net/core/rtnetlink.c:2884) [ 57.775194][ T547] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 57.775450][ T547] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 57.775611][ T547] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 57.775777][ T547] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 57.775940][ T547] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 57.776191][ T547] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 57.776367][ T547] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 57.776535][ T547] netdev_get_by_index (net/core/dev.c:914) [ 57.776699][ T547] fib6_nh_init (net/ipv6/route.c:3541) [ 57.776860][ T547] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 57.777161][ T547] ? __pfx_fib6_nh_init (net/ipv6/route.c:3522) [ 57.777332][ T547] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 57.777502][ T547] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 57.777665][ T547] ? __kmalloc (mm/slub.c:3980) [ 57.777922][ T547] ip6_route_info_create (net/ipv6/route.c:3808) [ 57.778086][ T547] ? __pfx_ip6_route_info_create (net/ipv6/route.c:3691) [ 57.778291][ T547] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 57.778414][ T547] addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 57.778683][ T547] ? __pfx_addrconf_f6i_alloc (net/ipv6/route.c:4562) [ 57.778846][ T547] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 57.779009][ T547] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) [ 57.779166][ T547] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 57.779426][ T547] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3621) [ 57.779589][ T547] addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 57.779755][ T547] addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 57.779915][ T547] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 57.780181][ T547] __dev_notify_flags (net/core/dev.c:8800) [ 57.780344][ T547] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 57.780517][ T547] ? __dev_change_flags (net/core/dev.c:8756) [ 57.780681][ T547] ? __pfx___dev_change_flags (net/core/dev.c:8720) [ 57.780844][ T547] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 57.781097][ T547] dev_change_flags (net/core/dev.c:8835) [ 57.781266][ T547] do_setlink (net/core/rtnetlink.c:2884) [ 57.781437][ T547] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 57.781607][ T547] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 57.781859][ T547] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 57.782022][ T547] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 57.782202][ T547] ? __kernel_text_address (kernel/extable.c:79) [ 57.782363][ T547] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 57.782736][ T547] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 57.782937][ T547] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 57.783111][ T547] ? stack_trace_save (kernel/stacktrace.c:123) [ 57.783283][ T547] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 57.783446][ T547] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 57.783608][ T547] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 57.783733][ T547] ? kasan_save_stack (mm/kasan/common.c:49) [ 57.783895][ T547] ? kasan_save_stack (mm/kasan/common.c:48) [ 57.784060][ T547] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 57.784329][ T547] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 57.784492][ T547] ? rtnl_newlink (./include/linux/slab.h:628 net/core/rtnetlink.c:3723) [ 57.784659][ T547] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 57.784834][ T547] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 57.785091][ T547] ? __nla_validate_parse (lib/nlattr.c:619) [ 57.785254][ T547] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 57.785415][ T547] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 57.785575][ T547] ? ___sys_sendmsg (net/socket.c:2640) [ 57.785827][ T547] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 57.785995][ T547] ? 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) [ 57.786158][ T547] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 57.786323][ T547] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 57.786621][ T547] ? __create_object (mm/kmemleak.c:756) [ 57.786784][ T547] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 57.786960][ T547] rtnl_newlink (net/core/rtnetlink.c:3728) [ 57.787082][ T547] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 57.787243][ T547] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 57.787498][ T547] ? 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) [ 57.787658][ T547] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 57.787793][ T547] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 57.787966][ T547] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 57.788224][ T547] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 57.788386][ T547] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 57.788548][ T547] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 57.788715][ T547] ? 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) [ 57.788986][ T547] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 57.789148][ T547] ? 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) [ 57.789319][ T547] ? 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) [ 57.789482][ T547] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 57.789651][ T547] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 57.789906][ T547] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 57.790074][ T547] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 57.790241][ T547] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 57.790406][ T547] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 57.790571][ T547] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 57.790736][ T547] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 57.790915][ T547] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 57.791076][ T547] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 57.791329][ T547] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 57.791530][ T547] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 57.791703][ T547] ___sys_sendmsg (net/socket.c:2640) [ 57.791869][ T547] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 57.792130][ T547] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 57.792312][ T547] ? __lock_release (kernel/locking/lockdep.c:5430) [ 57.792474][ T547] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 57.792676][ T547] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 57.792936][ T547] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 57.793099][ T547] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 57.793298][ T547] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 57.793467][ T547] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 57.793735][ T547] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 57.793910][ T547] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 57.794073][ T547] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 57.794283][ T547] RIP: 0033:0x7f13b1f197b7 [ 57.794456][ T547] 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) [ 57.795037][ T547] RSP: 002b:00007ffe2a5bd828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 57.795483][ T547] RAX: ffffffffffffffda RBX: 00007ffe2a5bdf60 RCX: 00007f13b1f197b7 [ 57.795724][ T547] RDX: 0000000000000000 RSI: 00007ffe2a5bd890 RDI: 0000000000000005 [ 57.795975][ T547] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 57.796317][ T547] R10: 00007f13b1dd74a8 R11: 0000000000000246 R12: 0000000000000002 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add