====================================== | [ 377.046212][ T1444] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 377.046415][ T1444] | [ 377.046500][ T1444] | [ 377.046500][ T1444] stack backtrace: [ 377.047053][ T1444] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 377.047416][ T1444] Call Trace: [ 377.047551][ T1444] [ 377.047723][ T1444] dump_stack_lvl (lib/dump_stack.c:117) [ 377.047901][ T1444] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 377.048066][ T1444] ? 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) [ 377.048230][ T1444] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 377.048520][ T1444] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 377.048687][ T1444] ? __bfs (kernel/locking/lockdep.c:1787) [ 377.048810][ T1444] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 377.048980][ T1444] check_irq_usage (kernel/locking/lockdep.c:2871) [ 377.049143][ T1444] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 377.049392][ T1444] ? __bfs (kernel/locking/lockdep.c:1787) [ 377.049519][ T1444] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 377.049683][ T1444] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 377.049847][ T1444] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 377.050103][ T1444] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 377.050270][ T1444] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 377.050434][ T1444] check_prev_add (kernel/locking/lockdep.c:3138) [ 377.050603][ T1444] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 377.050862][ T1444] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 377.051033][ T1444] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 377.051158][ T1444] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 377.051319][ T1444] ? 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) [ 377.051489][ T1444] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 377.051707][ T1444] __lock_acquire (kernel/locking/lockdep.c:5137) [ 377.051872][ T1444] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 377.052038][ T1444] ? __get_task_comm (fs/exec.c:1234) [ 377.052203][ T1444] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 377.052324][ T1444] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 377.052583][ T1444] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 377.052751][ T1444] ? __get_task_comm (fs/exec.c:1234) [ 377.052918][ T1444] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 377.053084][ T1444] ? __get_task_comm (fs/exec.c:1234) [ 377.053247][ T1444] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 377.053410][ T1444] ? __get_task_comm (fs/exec.c:1234) [ 377.053581][ T1444] __get_task_comm (fs/exec.c:1234) [ 377.053749][ T1444] ref_tracker_alloc (lib/ref_tracker.c:217) [ 377.054098][ T1444] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 377.054261][ T1444] ? __lock_release (kernel/locking/lockdep.c:5430) [ 377.054419][ T1444] ? rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 377.054628][ T1444] ? rt6_disable_ip (net/ipv6/route.c:4910) [ 377.054880][ T1444] ? addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 377.055041][ T1444] ? addrconf_notify (net/ipv6/addrconf.c:3811) [ 377.055203][ T1444] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 377.055361][ T1444] ? __dev_notify_flags (net/core/dev.c:8800) [ 377.055609][ T1444] ? dev_change_flags (net/core/dev.c:8835) [ 377.055775][ T1444] ? do_setlink (net/core/rtnetlink.c:2884) [ 377.055941][ T1444] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 377.056105][ T1444] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 377.056276][ T1444] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 377.056536][ T1444] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 377.056702][ T1444] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 377.056865][ T1444] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 377.057025][ T1444] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 377.057191][ T1444] ? ___sys_sendmsg (net/socket.c:2640) [ 377.057353][ T1444] ? in6_dev_get (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/addrconf.h:373) [ 377.057516][ T1444] rt6_uncached_list_flush_dev (./include/linux/netdevice.h:4036 ./include/linux/netdevice.h:4114 net/ipv6/route.c:185) [ 377.057725][ T1444] rt6_disable_ip (net/ipv6/route.c:4910) [ 377.057977][ T1444] ? __pfx_rt6_disable_ip (net/ipv6/route.c:4907) [ 377.058137][ T1444] ? 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) [ 377.058301][ T1444] addrconf_ifdown.isra.0 (./include/net/addrconf.h:324 net/ipv6/addrconf.c:3856) [ 377.058465][ T1444] ? __try_to_del_timer_sync (kernel/time/timer.c:1500) [ 377.058719][ T1444] ? __pfx_addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:3841) [ 377.058966][ T1444] addrconf_notify (net/ipv6/addrconf.c:3811) [ 377.059134][ T1444] ? fib_netdev_event (net/ipv4/fib_frontend.c:1520) [ 377.059339][ T1444] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 377.059595][ T1444] __dev_notify_flags (net/core/dev.c:8800) [ 377.059762][ T1444] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 377.059924][ T1444] ? __dev_change_flags (./include/linux/list.h:111 ./include/linux/list.h:215 ./include/linux/list.h:229 net/core/dev.c:1554 net/core/dev.c:8754) [ 377.060084][ T1444] ? __pfx___dev_change_flags (net/core/dev.c:8720) [ 377.060341][ T1444] dev_change_flags (net/core/dev.c:8835) [ 377.060507][ T1444] do_setlink (net/core/rtnetlink.c:2884) [ 377.060671][ T1444] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 377.060859][ T1444] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 377.061024][ T1444] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 377.061276][ T1444] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 377.061436][ T1444] ? __kernel_text_address (kernel/extable.c:79) [ 377.061597][ T1444] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 377.061759][ T1444] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 377.062050][ T1444] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 377.062214][ T1444] ? stack_trace_save (kernel/stacktrace.c:123) [ 377.062383][ T1444] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 377.062543][ T1444] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 377.062796][ T1444] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 377.062917][ T1444] ? kasan_save_stack (mm/kasan/common.c:49) [ 377.063090][ T1444] ? kasan_save_stack (mm/kasan/common.c:48) [ 377.063255][ T1444] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 377.063505][ T1444] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 377.063666][ T1444] ? rtnl_newlink (./include/linux/slab.h:628 net/core/rtnetlink.c:3723) [ 377.063829][ T1444] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 377.063991][ T1444] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 377.064155][ T1444] ? __nla_validate_parse (lib/nlattr.c:619) [ 377.064402][ T1444] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 377.064565][ T1444] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 377.064727][ T1444] ? ___sys_sendmsg (net/socket.c:2640) [ 377.064894][ T1444] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 377.065148][ T1444] ? 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) [ 377.065312][ T1444] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 377.065479][ T1444] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 377.065680][ T1444] ? __create_object (mm/kmemleak.c:756) [ 377.065935][ T1444] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 377.066100][ T1444] rtnl_newlink (net/core/rtnetlink.c:3728) [ 377.066222][ T1444] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 377.066383][ T1444] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 377.066720][ T1444] ? 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) [ 377.066886][ T1444] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 377.067014][ T1444] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 377.067174][ T1444] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 377.067337][ T1444] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 377.067587][ T1444] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 377.067745][ T1444] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 377.067911][ T1444] ? 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) [ 377.068072][ T1444] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 377.068321][ T1444] ? 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) [ 377.068483][ T1444] ? 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) [ 377.068643][ T1444] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 377.068808][ T1444] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 377.069060][ T1444] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 377.069225][ T1444] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 377.069389][ T1444] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 377.069556][ T1444] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 377.069720][ T1444] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 377.069983][ T1444] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 377.070154][ T1444] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 377.070316][ T1444] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 377.070479][ T1444] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 377.070781][ T1444] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 377.070947][ T1444] ___sys_sendmsg (net/socket.c:2640) [ 377.071108][ T1444] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 377.071272][ T1444] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 377.071532][ T1444] ? __lock_release (kernel/locking/lockdep.c:5430) [ 377.071697][ T1444] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 377.071897][ T1444] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 377.072060][ T1444] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 377.072226][ T1444] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 377.072428][ T1444] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 377.072596][ T1444] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 377.072758][ T1444] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 377.073019][ T1444] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 377.073180][ T1444] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 377.073382][ T1444] RIP: 0033:0x7ff404bfb7b7 [ 377.073555][ T1444] 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) [ 377.074220][ T1444] RSP: 002b:00007fff0784b668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 377.074570][ T1444] RAX: ffffffffffffffda RBX: 00007fff0784bd90 RCX: 00007ff404bfb7b7 [ 377.074811][ T1444] RDX: 0000000000000000 RSI: 00007fff0784b6d0 RDI: 0000000000000005 [ 377.075056][ T1444] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 377.075387][ T1444] R10: 00007ff404ab9ef8 R11: 0000000000000246 R12: 0000000000000003 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add