====================================== | [ 429.021555][ T4528] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 429.021739][ T4528] | [ 429.021905][ T4528] | [ 429.021905][ T4528] stack backtrace: [ 429.022310][ T4528] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 429.022734][ T4528] Call Trace: [ 429.022848][ T4528] [ 429.022923][ T4528] dump_stack_lvl (lib/dump_stack.c:117) [ 429.023076][ T4528] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 429.023233][ T4528] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 429.023417][ T4528] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 429.023562][ T4528] ? __bfs (kernel/locking/lockdep.c:1787) [ 429.023673][ T4528] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 429.023821][ T4528] check_irq_usage (kernel/locking/lockdep.c:2871) [ 429.024063][ T4528] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 429.024217][ T4528] ? __bfs (kernel/locking/lockdep.c:1787) [ 429.024326][ T4528] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 429.024475][ T4528] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 429.024714][ T4528] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 429.024861][ T4528] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 429.025008][ T4528] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 429.025161][ T4528] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 429.025307][ T4528] check_prev_add (kernel/locking/lockdep.c:3138) [ 429.025547][ T4528] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 429.025694][ T4528] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 429.025841][ T4528] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 429.025952][ T4528] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 429.026190][ T4528] ? 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) [ 429.026334][ T4528] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 429.026445][ T4528] __lock_acquire (kernel/locking/lockdep.c:5137) [ 429.026595][ T4528] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 429.026741][ T4528] ? __get_task_comm (fs/exec.c:1234) [ 429.026976][ T4528] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 429.027087][ T4528] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 429.027232][ T4528] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 429.027377][ T4528] ? __get_task_comm (fs/exec.c:1234) [ 429.027618][ T4528] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 429.027763][ T4528] ? __get_task_comm (fs/exec.c:1234) [ 429.027913][ T4528] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 429.028063][ T4528] ? __get_task_comm (fs/exec.c:1234) [ 429.028208][ T4528] __get_task_comm (fs/exec.c:1234) [ 429.028354][ T4528] ref_tracker_alloc (lib/ref_tracker.c:217) [ 429.028501][ T4528] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 429.028646][ T4528] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 429.028792][ T4528] ? netdev_get_by_index (net/core/dev.c:914) [ 429.029117][ T4528] ? fib6_nh_init (net/ipv6/route.c:3541) [ 429.029264][ T4528] ? ip6_route_info_create (net/ipv6/route.c:3808) [ 429.029413][ T4528] ? addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 429.029561][ T4528] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 429.029809][ T4528] ? addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 429.029954][ T4528] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 429.030107][ T4528] ? __dev_notify_flags (net/core/dev.c:8800) [ 429.030255][ T4528] ? dev_change_flags (net/core/dev.c:8835) [ 429.030496][ T4528] ? do_setlink (net/core/rtnetlink.c:2884) [ 429.030640][ T4528] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 429.030793][ T4528] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 429.030941][ T4528] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 429.031179][ T4528] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 429.031328][ T4528] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 429.031477][ T4528] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 429.031625][ T4528] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 429.031771][ T4528] netdev_get_by_index (net/core/dev.c:914) [ 429.032008][ T4528] fib6_nh_init (net/ipv6/route.c:3541) [ 429.032155][ T4528] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 429.032339][ T4528] ? __pfx_fib6_nh_init (net/ipv6/route.c:3522) [ 429.032486][ T4528] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 429.032728][ T4528] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 429.032875][ T4528] ? __kmalloc (mm/slub.c:3980) [ 429.033021][ T4528] ip6_route_info_create (net/ipv6/route.c:3808) [ 429.033171][ T4528] ? __lock_release (kernel/locking/lockdep.c:5430) [ 429.033319][ T4528] ? __pfx_ip6_route_info_create (net/ipv6/route.c:3691) [ 429.033501][ T4528] ? addrconf_f6i_alloc (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/l3mdev.h:138 net/ipv6/route.c:4564) [ 429.033652][ T4528] addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 429.033798][ T4528] ? __pfx_addrconf_f6i_alloc (net/ipv6/route.c:4562) [ 429.034036][ T4528] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 429.034185][ T4528] ? 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) [ 429.034331][ T4528] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) [ 429.034476][ T4528] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 429.034713][ T4528] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3621) [ 429.034864][ T4528] addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 429.035013][ T4528] addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 429.035161][ T4528] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 429.035316][ T4528] __dev_notify_flags (net/core/dev.c:8800) [ 429.035467][ T4528] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 429.035624][ T4528] ? __dev_change_flags (net/core/dev.c:8756) [ 429.035779][ T4528] ? __pfx___dev_change_flags (net/core/dev.c:8720) [ 429.035926][ T4528] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 429.036168][ T4528] dev_change_flags (net/core/dev.c:8835) [ 429.036314][ T4528] do_setlink (net/core/rtnetlink.c:2884) [ 429.036460][ T4528] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 429.036611][ T4528] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 429.036851][ T4528] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 429.037002][ T4528] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 429.037150][ T4528] ? __kernel_text_address (kernel/extable.c:79) [ 429.037301][ T4528] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 429.037546][ T4528] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 429.037733][ T4528] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 429.037881][ T4528] ? stack_trace_save (kernel/stacktrace.c:123) [ 429.038035][ T4528] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 429.038274][ T4528] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 429.038419][ T4528] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 429.038534][ T4528] ? kasan_save_stack (mm/kasan/common.c:49) [ 429.038683][ T4528] ? kasan_save_stack (mm/kasan/common.c:48) [ 429.038834][ T4528] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 429.039074][ T4528] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 429.039217][ T4528] ? rtnl_newlink (./include/linux/slab.h:628 net/core/rtnetlink.c:3723) [ 429.039366][ T4528] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 429.039510][ T4528] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 429.039748][ T4528] ? validate_nla (lib/nlattr.c:513) [ 429.039894][ T4528] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 429.040038][ T4528] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 429.040183][ T4528] ? ___sys_sendmsg (net/socket.c:2640) [ 429.040423][ T4528] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 429.040569][ T4528] ? 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) [ 429.040715][ T4528] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 429.040864][ T4528] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 429.041135][ T4528] ? __create_object (mm/kmemleak.c:756) [ 429.041283][ T4528] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 429.041430][ T4528] rtnl_newlink (net/core/rtnetlink.c:3728) [ 429.041541][ T4528] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 429.041688][ T4528] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 429.041924][ T4528] ? 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) [ 429.042069][ T4528] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 429.042181][ T4528] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 429.042327][ T4528] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 429.042568][ T4528] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 429.042714][ T4528] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 429.042858][ T4528] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 429.043007][ T4528] ? 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) [ 429.043257][ T4528] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 429.043405][ T4528] ? 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) [ 429.043557][ T4528] ? 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) [ 429.043709][ T4528] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 429.043856][ T4528] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 429.044097][ T4528] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 429.044247][ T4528] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 429.044403][ T4528] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 429.044559][ T4528] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 429.044795][ T4528] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 429.044941][ T4528] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 429.045091][ T4528] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 429.045238][ T4528] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 429.045482][ T4528] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 429.045663][ T4528] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 429.045819][ T4528] ___sys_sendmsg (net/socket.c:2640) [ 429.045971][ T4528] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 429.046212][ T4528] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 429.046360][ T4528] ? __lock_release (kernel/locking/lockdep.c:5430) [ 429.046505][ T4528] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 429.046695][ T4528] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 429.046937][ T4528] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 429.047086][ T4528] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 429.047271][ T4528] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 429.047420][ T4528] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 429.047667][ T4528] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 429.047820][ T4528] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 429.047977][ T4528] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 429.048161][ T4528] RIP: 0033:0x7f0136adc7b7 [ 429.048314][ T4528] 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) [ 429.048858][ T4528] RSP: 002b:00007ffe8c9a9f18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 429.049184][ T4528] RAX: ffffffffffffffda RBX: 00007ffe8c9aa650 RCX: 00007f0136adc7b7 [ 429.049405][ T4528] RDX: 0000000000000000 RSI: 00007ffe8c9a9f80 RDI: 0000000000000005 [ 429.049633][ T4528] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 429.049951][ T4528] R10: 00007f013699a4a8 R11: 0000000000000246 R12: 0000000000000003 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add