====================================== | [ 70.714630][ T851] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 70.714815][ T851] | [ 70.714896][ T851] | [ 70.714896][ T851] stack backtrace: [ 70.715388][ T851] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 70.715806][ T851] Call Trace: [ 70.715920][ T851] [ 70.715998][ T851] dump_stack_lvl (lib/dump_stack.c:117) [ 70.716150][ T851] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 70.716299][ T851] ? 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) [ 70.716539][ T851] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 70.716722][ T851] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 70.716870][ T851] ? __bfs (kernel/locking/lockdep.c:1787) [ 70.716982][ T851] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 70.717129][ T851] check_irq_usage (kernel/locking/lockdep.c:2871) [ 70.717368][ T851] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 70.717515][ T851] ? __bfs (kernel/locking/lockdep.c:1787) [ 70.717626][ T851] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 70.717773][ T851] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 70.718014][ T851] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 70.718164][ T851] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 70.718315][ T851] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 70.718462][ T851] check_prev_add (kernel/locking/lockdep.c:3138) [ 70.718609][ T851] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 70.718757][ T851] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 70.718907][ T851] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 70.719020][ T851] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 70.719168][ T851] ? 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) [ 70.719497][ T851] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 70.719612][ T851] __lock_acquire (kernel/locking/lockdep.c:5137) [ 70.719761][ T851] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 70.719908][ T851] ? __get_task_comm (fs/exec.c:1234) [ 70.720147][ T851] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 70.720260][ T851] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 70.720409][ T851] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 70.720557][ T851] ? __get_task_comm (fs/exec.c:1234) [ 70.720704][ T851] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 70.720940][ T851] ? __get_task_comm (fs/exec.c:1234) [ 70.721090][ T851] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 70.721237][ T851] ? __get_task_comm (fs/exec.c:1234) [ 70.721383][ T851] __get_task_comm (fs/exec.c:1234) [ 70.721622][ T851] ref_tracker_alloc (lib/ref_tracker.c:217) [ 70.721780][ T851] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 70.721925][ T851] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 70.722071][ T851] ? netdev_get_by_index (net/core/dev.c:914) [ 70.722307][ T851] ? fib6_nh_init (net/ipv6/route.c:3541) [ 70.722456][ T851] ? ip6_route_info_create (net/ipv6/route.c:3808) [ 70.722603][ T851] ? ip6_route_add (net/ipv6/route.c:3851) [ 70.722750][ T851] ? addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 70.722897][ T851] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3599 net/ipv6/addrconf.c:3623) [ 70.723159][ T851] ? addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 70.723305][ T851] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 70.723450][ T851] ? __dev_notify_flags (net/core/dev.c:8800) [ 70.723597][ T851] ? dev_change_flags (net/core/dev.c:8835) [ 70.723745][ T851] ? do_setlink (net/core/rtnetlink.c:2884) [ 70.723890][ T851] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 70.724035][ T851] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 70.724183][ T851] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 70.724330][ T851] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 70.724479][ T851] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 70.724627][ T851] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 70.724774][ T851] netdev_get_by_index (net/core/dev.c:914) [ 70.725014][ T851] fib6_nh_init (net/ipv6/route.c:3541) [ 70.725163][ T851] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 70.725347][ T851] ? __pfx_fib6_nh_init (net/ipv6/route.c:3522) [ 70.725494][ T851] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 70.725642][ T851] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 70.725789][ T851] ? __kmalloc (mm/slub.c:3980) [ 70.725936][ T851] ? fib6_get_table (net/ipv6/ip6_fib.c:295) [ 70.726086][ T851] ip6_route_info_create (net/ipv6/route.c:3808) [ 70.726235][ T851] ? __pfx_ip6_route_info_create (net/ipv6/route.c:3691) [ 70.726515][ T851] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 70.726663][ T851] ip6_route_add (net/ipv6/route.c:3851) [ 70.726810][ T851] addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 70.726958][ T851] ? __pfx_addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 70.727239][ T851] ? 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) [ 70.727386][ T851] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) [ 70.727532][ T851] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 70.727678][ T851] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3621) [ 70.727919][ T851] addrconf_permanent_addr (net/ipv6/addrconf.c:3599 net/ipv6/addrconf.c:3623) [ 70.728068][ T851] addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 70.728216][ T851] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 70.728365][ T851] __dev_notify_flags (net/core/dev.c:8800) [ 70.728604][ T851] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 70.728751][ T851] ? __dev_change_flags (net/core/dev.c:8756) [ 70.728905][ T851] ? __pfx___dev_change_flags (net/core/dev.c:8720) [ 70.729055][ T851] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 70.729294][ T851] dev_change_flags (net/core/dev.c:8835) [ 70.729441][ T851] do_setlink (net/core/rtnetlink.c:2884) [ 70.729586][ T851] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 70.729734][ T851] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 70.729973][ T851] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 70.730121][ T851] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 70.730267][ T851] ? __kernel_text_address (kernel/extable.c:79) [ 70.730416][ T851] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 70.730565][ T851] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 70.730840][ T851] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 70.730990][ T851] ? stack_trace_save (kernel/stacktrace.c:123) [ 70.731136][ T851] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 70.731282][ T851] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 70.731519][ T851] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 70.731633][ T851] ? kasan_save_stack (mm/kasan/common.c:49) [ 70.731783][ T851] ? kasan_save_stack (mm/kasan/common.c:48) [ 70.731930][ T851] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 70.732170][ T851] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 70.732318][ T851] ? rtnl_newlink (./include/linux/slab.h:628 net/core/rtnetlink.c:3723) [ 70.732465][ T851] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 70.732613][ T851] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 70.732849][ T851] ? validate_nla (lib/nlattr.c:513) [ 70.732997][ T851] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 70.733143][ T851] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 70.733293][ T851] ? ___sys_sendmsg (net/socket.c:2640) [ 70.733441][ T851] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 70.733681][ T851] ? 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) [ 70.733827][ T851] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 70.733975][ T851] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 70.734157][ T851] ? __create_object (mm/kmemleak.c:756) [ 70.734394][ T851] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 70.734542][ T851] rtnl_newlink (net/core/rtnetlink.c:3728) [ 70.734654][ T851] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 70.734802][ T851] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 70.735060][ T851] ? 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) [ 70.735206][ T851] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 70.735319][ T851] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 70.735466][ T851] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 70.735612][ T851] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 70.735759][ T851] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 70.735906][ T851] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 70.736062][ T851] ? 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) [ 70.736210][ T851] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 70.736357][ T851] ? 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) [ 70.736504][ T851] ? 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) [ 70.736651][ T851] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 70.736800][ T851] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 70.737044][ T851] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 70.737193][ T851] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 70.737340][ T851] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 70.737487][ T851] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 70.737634][ T851] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 70.737782][ T851] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 70.737938][ T851] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 70.738085][ T851] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 70.738231][ T851] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 70.738504][ T851] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 70.738658][ T851] ___sys_sendmsg (net/socket.c:2640) [ 70.738811][ T851] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 70.738963][ T851] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 70.739199][ T851] ? __lock_release (kernel/locking/lockdep.c:5430) [ 70.739346][ T851] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 70.739529][ T851] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 70.739677][ T851] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 70.739919][ T851] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 70.740103][ T851] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 70.740251][ T851] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 70.740402][ T851] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 70.740647][ T851] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 70.740795][ T851] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 70.740978][ T851] RIP: 0033:0x7f2a10c097b7 [ 70.741133][ T851] 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) [ 70.741751][ T851] RSP: 002b:00007ffcd698bd98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 70.742074][ T851] RAX: ffffffffffffffda RBX: 00007ffcd698c4d0 RCX: 00007f2a10c097b7 [ 70.742296][ T851] RDX: 0000000000000000 RSI: 00007ffcd698be00 RDI: 0000000000000005 [ 70.742519][ T851] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 70.742742][ T851] R10: 00007f2a10ac74a8 R11: 0000000000000246 R12: 0000000000000003 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add