====================================== | [ 80.880269][ T364] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 80.880447][ T364] | [ 80.880520][ T364] | [ 80.880520][ T364] stack backtrace: [ 80.880911][ T364] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 80.881229][ T364] Call Trace: [ 80.881343][ T364] [ 80.881421][ T364] dump_stack_lvl (lib/dump_stack.c:117) [ 80.881569][ T364] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 80.881713][ T364] ? 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) [ 80.881862][ T364] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 80.882041][ T364] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 80.882184][ T364] ? __bfs (kernel/locking/lockdep.c:1787) [ 80.882292][ T364] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 80.882441][ T364] check_irq_usage (kernel/locking/lockdep.c:2871) [ 80.882586][ T364] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 80.882733][ T364] ? __bfs (kernel/locking/lockdep.c:1787) [ 80.882843][ T364] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 80.882988][ T364] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 80.883133][ T364] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 80.883277][ T364] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 80.883424][ T364] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 80.883567][ T364] check_prev_add (kernel/locking/lockdep.c:3138) [ 80.883717][ T364] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 80.883861][ T364] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 80.884006][ T364] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 80.884115][ T364] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 80.884259][ T364] ? 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) [ 80.884499][ T364] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 80.884609][ T364] __lock_acquire (kernel/locking/lockdep.c:5137) [ 80.884758][ T364] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 80.884901][ T364] ? __get_task_comm (fs/exec.c:1234) [ 80.885051][ T364] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 80.885161][ T364] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 80.885305][ T364] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 80.885449][ T364] ? __get_task_comm (fs/exec.c:1234) [ 80.885595][ T364] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 80.885829][ T364] ? __get_task_comm (fs/exec.c:1234) [ 80.885973][ T364] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 80.886117][ T364] ? __get_task_comm (fs/exec.c:1234) [ 80.886259][ T364] __get_task_comm (fs/exec.c:1234) [ 80.886497][ T364] ref_tracker_alloc (lib/ref_tracker.c:217) [ 80.886642][ T364] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 80.886791][ T364] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 80.886943][ T364] ? netdev_get_by_index (net/core/dev.c:914) [ 80.887087][ T364] ? fib6_nh_init (net/ipv6/route.c:3541) [ 80.887230][ T364] ? ip6_route_info_create (net/ipv6/route.c:3808) [ 80.887381][ T364] ? ip6_route_add (net/ipv6/route.c:3851) [ 80.887524][ T364] ? addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 80.887673][ T364] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3599 net/ipv6/addrconf.c:3623) [ 80.887907][ T364] ? addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 80.888050][ T364] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 80.888193][ T364] ? __dev_notify_flags (net/core/dev.c:8800) [ 80.888337][ T364] ? dev_change_flags (net/core/dev.c:8835) [ 80.888569][ T364] ? do_setlink (net/core/rtnetlink.c:2884) [ 80.888714][ T364] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 80.888857][ T364] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 80.889002][ T364] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 80.889234][ T364] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 80.889377][ T364] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 80.889521][ T364] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 80.889667][ T364] netdev_get_by_index (net/core/dev.c:914) [ 80.889899][ T364] fib6_nh_init (net/ipv6/route.c:3541) [ 80.890043][ T364] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 80.890222][ T364] ? __pfx_fib6_nh_init (net/ipv6/route.c:3522) [ 80.890372][ T364] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 80.890612][ T364] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 80.890762][ T364] ? __kmalloc (mm/slub.c:3980) [ 80.890907][ T364] ? fib6_get_table (net/ipv6/ip6_fib.c:295) [ 80.891052][ T364] ip6_route_info_create (net/ipv6/route.c:3808) [ 80.891197][ T364] ? __pfx_ip6_route_info_create (net/ipv6/route.c:3691) [ 80.891464][ T364] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 80.891609][ T364] ip6_route_add (net/ipv6/route.c:3851) [ 80.891755][ T364] addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 80.891902][ T364] ? __pfx_addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 80.892177][ T364] ? 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) [ 80.892326][ T364] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) [ 80.892469][ T364] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 80.892612][ T364] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3621) [ 80.892848][ T364] addrconf_permanent_addr (net/ipv6/addrconf.c:3599 net/ipv6/addrconf.c:3623) [ 80.892994][ T364] addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 80.893139][ T364] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 80.893285][ T364] __dev_notify_flags (net/core/dev.c:8800) [ 80.893520][ T364] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 80.893664][ T364] ? __dev_change_flags (net/core/dev.c:8756) [ 80.893808][ T364] ? __pfx___dev_change_flags (net/core/dev.c:8720) [ 80.893953][ T364] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 80.894098][ T364] dev_change_flags (net/core/dev.c:8835) [ 80.894241][ T364] do_setlink (net/core/rtnetlink.c:2884) [ 80.894384][ T364] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 80.894534][ T364] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 80.894767][ T364] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 80.894911][ T364] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 80.895056][ T364] ? __kernel_text_address (kernel/extable.c:79) [ 80.895200][ T364] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 80.895343][ T364] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 80.895612][ T364] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 80.895763][ T364] ? stack_trace_save (kernel/stacktrace.c:123) [ 80.895909][ T364] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 80.896052][ T364] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 80.896291][ T364] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 80.896401][ T364] ? kasan_save_stack (mm/kasan/common.c:49) [ 80.896544][ T364] ? kasan_save_stack (mm/kasan/common.c:48) [ 80.896687][ T364] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 80.896927][ T364] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 80.897071][ T364] ? rtnl_newlink (./include/linux/slab.h:628 net/core/rtnetlink.c:3723) [ 80.897216][ T364] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 80.897358][ T364] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 80.897681][ T364] ? validate_nla (lib/nlattr.c:513) [ 80.897825][ T364] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 80.897968][ T364] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 80.898113][ T364] ? ___sys_sendmsg (net/socket.c:2640) [ 80.898258][ T364] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 80.898501][ T364] ? 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) [ 80.898645][ T364] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 80.898792][ T364] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 80.898973][ T364] ? __create_object (mm/kmemleak.c:756) [ 80.899121][ T364] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 80.899267][ T364] rtnl_newlink (net/core/rtnetlink.c:3728) [ 80.899375][ T364] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 80.899518][ T364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 80.899751][ T364] ? 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) [ 80.899894][ T364] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 80.900009][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 80.900156][ T364] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 80.900299][ T364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 80.900536][ T364] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 80.900680][ T364] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 80.900826][ T364] ? 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) [ 80.900969][ T364] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 80.901114][ T364] ? 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) [ 80.901260][ T364] ? 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) [ 80.901405][ T364] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 80.901549][ T364] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 80.901785][ T364] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 80.901928][ T364] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 80.902075][ T364] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 80.902219][ T364] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 80.902466][ T364] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 80.902612][ T364] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 80.902757][ T364] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 80.902900][ T364] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 80.903045][ T364] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 80.903222][ T364] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 80.903377][ T364] ___sys_sendmsg (net/socket.c:2640) [ 80.903521][ T364] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 80.903667][ T364] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 80.903900][ T364] ? __lock_release (kernel/locking/lockdep.c:5430) [ 80.904046][ T364] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 80.904225][ T364] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 80.904370][ T364] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 80.904605][ T364] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 80.904784][ T364] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 80.904930][ T364] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 80.905080][ T364] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 80.905319][ T364] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 80.905463][ T364] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 80.905641][ T364] RIP: 0033:0x7f53b6ae77b7 [ 80.905792][ T364] 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) [ 80.906409][ T364] RSP: 002b:00007ffd39fbcdd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 80.906722][ T364] RAX: ffffffffffffffda RBX: 00007ffd39fbd510 RCX: 00007f53b6ae77b7 [ 80.906952][ T364] RDX: 0000000000000000 RSI: 00007ffd39fbce40 RDI: 0000000000000005 [ 80.907168][ T364] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 80.907477][ T364] R10: 00007f53b69a54a8 R11: 0000000000000246 R12: 0000000000000002 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add