====================================== | [ 409.101614][ T2636] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 409.101794][ T2636] | [ 409.101868][ T2636] | [ 409.101868][ T2636] stack backtrace: [ 409.102354][ T2636] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 409.102679][ T2636] Call Trace: [ 409.102885][ T2636] [ 409.102961][ T2636] dump_stack_lvl (lib/dump_stack.c:117) [ 409.103117][ T2636] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 409.103263][ T2636] ? 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) [ 409.103411][ T2636] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 409.103683][ T2636] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 409.103828][ T2636] ? __bfs (kernel/locking/lockdep.c:1787) [ 409.103941][ T2636] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 409.104095][ T2636] check_irq_usage (kernel/locking/lockdep.c:2871) [ 409.104424][ T2636] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 409.104570][ T2636] ? __bfs (kernel/locking/lockdep.c:1787) [ 409.104680][ T2636] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 409.104826][ T2636] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 409.105062][ T2636] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 409.105215][ T2636] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 409.105368][ T2636] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 409.105513][ T2636] check_prev_add (kernel/locking/lockdep.c:3138) [ 409.105659][ T2636] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 409.105896][ T2636] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 409.106042][ T2636] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 409.106152][ T2636] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 409.106309][ T2636] ? 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) [ 409.106548][ T2636] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 409.106660][ T2636] __lock_acquire (kernel/locking/lockdep.c:5137) [ 409.106811][ T2636] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 409.106957][ T2636] ? __get_task_comm (fs/exec.c:1234) [ 409.107103][ T2636] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 409.107305][ T2636] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 409.107458][ T2636] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 409.107603][ T2636] ? __get_task_comm (fs/exec.c:1234) [ 409.107747][ T2636] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 409.107982][ T2636] ? __get_task_comm (fs/exec.c:1234) [ 409.108132][ T2636] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 409.108277][ T2636] ? __get_task_comm (fs/exec.c:1234) [ 409.108424][ T2636] __get_task_comm (fs/exec.c:1234) [ 409.108663][ T2636] ref_tracker_alloc (lib/ref_tracker.c:217) [ 409.108809][ T2636] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 409.108954][ T2636] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 409.109098][ T2636] ? netdev_get_by_index (net/core/dev.c:914) [ 409.109241][ T2636] ? fib6_nh_init (net/ipv6/route.c:3541) [ 409.109484][ T2636] ? ip6_route_info_create (net/ipv6/route.c:3808) [ 409.109634][ T2636] ? ip6_route_add (net/ipv6/route.c:3851) [ 409.109779][ T2636] ? addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 409.109924][ T2636] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3599 net/ipv6/addrconf.c:3623) [ 409.110160][ T2636] ? addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 409.110304][ T2636] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 409.110452][ T2636] ? __dev_notify_flags (net/core/dev.c:8800) [ 409.110596][ T2636] ? dev_change_flags (net/core/dev.c:8835) [ 409.110831][ T2636] ? do_setlink (net/core/rtnetlink.c:2884) [ 409.110979][ T2636] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 409.111124][ T2636] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 409.111268][ T2636] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 409.111502][ T2636] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 409.111651][ T2636] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 409.111796][ T2636] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 409.111942][ T2636] netdev_get_by_index (net/core/dev.c:914) [ 409.112088][ T2636] fib6_nh_init (net/ipv6/route.c:3541) [ 409.112323][ T2636] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 409.112507][ T2636] ? __pfx_fib6_nh_init (net/ipv6/route.c:3522) [ 409.112654][ T2636] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 409.112801][ T2636] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 409.113039][ T2636] ? __kmalloc (mm/slub.c:3980) [ 409.113185][ T2636] ? fib6_get_table (net/ipv6/ip6_fib.c:295) [ 409.113335][ T2636] ip6_route_info_create (net/ipv6/route.c:3808) [ 409.113481][ T2636] ? __pfx_ip6_route_info_create (net/ipv6/route.c:3691) [ 409.113757][ T2636] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 409.113907][ T2636] ip6_route_add (net/ipv6/route.c:3851) [ 409.114053][ T2636] addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 409.114198][ T2636] ? __pfx_addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 409.114473][ T2636] ? 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) [ 409.114619][ T2636] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) [ 409.114766][ T2636] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 409.114911][ T2636] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3621) [ 409.115154][ T2636] addrconf_permanent_addr (net/ipv6/addrconf.c:3599 net/ipv6/addrconf.c:3623) [ 409.115302][ T2636] addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 409.115447][ T2636] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 409.115592][ T2636] __dev_notify_flags (net/core/dev.c:8800) [ 409.115925][ T2636] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 409.116070][ T2636] ? __dev_change_flags (net/core/dev.c:8756) [ 409.116221][ T2636] ? __pfx___dev_change_flags (net/core/dev.c:8720) [ 409.116370][ T2636] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 409.116610][ T2636] dev_change_flags (net/core/dev.c:8835) [ 409.116756][ T2636] do_setlink (net/core/rtnetlink.c:2884) [ 409.116904][ T2636] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 409.117050][ T2636] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 409.117194][ T2636] ? 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) [ 409.117430][ T2636] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 409.117540][ T2636] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 409.117685][ T2636] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 409.117831][ T2636] ? __kernel_text_address (kernel/extable.c:79) [ 409.118077][ T2636] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 409.118262][ T2636] ? stack_depot_save_flags (./include/linux/jhash.h:129 lib/stackdepot.c:514 lib/stackdepot.c:614) [ 409.118407][ T2636] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 409.118518][ T2636] ? kasan_save_stack (mm/kasan/common.c:49) [ 409.118754][ T2636] ? kasan_save_stack (mm/kasan/common.c:48) [ 409.118899][ T2636] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 409.119050][ T2636] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 409.119194][ T2636] ? rtnl_newlink (./include/linux/slab.h:628 net/core/rtnetlink.c:3723) [ 409.119343][ T2636] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 409.119578][ T2636] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 409.119722][ T2636] ? validate_nla (lib/nlattr.c:513) [ 409.119868][ T2636] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 409.120017][ T2636] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 409.120253][ T2636] ? ___sys_sendmsg (net/socket.c:2640) [ 409.120400][ T2636] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 409.120546][ T2636] ? 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) [ 409.120690][ T2636] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 409.120931][ T2636] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 409.121115][ T2636] ? __create_object (mm/kmemleak.c:756) [ 409.121261][ T2636] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 409.121408][ T2636] rtnl_newlink (net/core/rtnetlink.c:3728) [ 409.121609][ T2636] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 409.121759][ T2636] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 409.121904][ T2636] ? 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) [ 409.122049][ T2636] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 409.122178][ T2636] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 409.122414][ T2636] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 409.122560][ T2636] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 409.122705][ T2636] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 409.122851][ T2636] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 409.123090][ T2636] ? 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) [ 409.123241][ T2636] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 409.123387][ T2636] ? 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) [ 409.123537][ T2636] ? 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) [ 409.123773][ T2636] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 409.123919][ T2636] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 409.124065][ T2636] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 409.124213][ T2636] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 409.124359][ T2636] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 409.124597][ T2636] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 409.124749][ T2636] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 409.124898][ T2636] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 409.125046][ T2636] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 409.125281][ T2636] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 409.125433][ T2636] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 409.125613][ T2636] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 409.125760][ T2636] ___sys_sendmsg (net/socket.c:2640) [ 409.126003][ T2636] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 409.126152][ T2636] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 409.126306][ T2636] ? __lock_release (kernel/locking/lockdep.c:5430) [ 409.126457][ T2636] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 409.126730][ T2636] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 409.126876][ T2636] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 409.127021][ T2636] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 409.127201][ T2636] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 409.127536][ T2636] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 409.127686][ T2636] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 409.127835][ T2636] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 409.127980][ T2636] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 409.128250][ T2636] RIP: 0033:0x7f1b4c5567b7 [ 409.128405][ T2636] 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) [ 409.129022][ T2636] RSP: 002b:00007ffe97446d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 409.129244][ T2636] RAX: ffffffffffffffda RBX: 00007ffe97447450 RCX: 00007f1b4c5567b7 [ 409.129461][ T2636] RDX: 0000000000000000 RSI: 00007ffe97446d80 RDI: 0000000000000005 [ 409.129775][ T2636] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 409.129991][ T2636] R10: 00007f1b4c4144a8 R11: 0000000000000246 R12: 0000000000000002 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add