====================================== | [ 46.844593][ T407] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 46.844807][ T407] | [ 46.844907][ T407] | [ 46.844907][ T407] stack backtrace: [ 46.845442][ T407] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 46.845803][ T407] Call Trace: [ 46.845929][ T407] [ 46.846013][ T407] dump_stack_lvl (lib/dump_stack.c:117) [ 46.846274][ T407] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 46.846438][ T407] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 46.846640][ T407] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 46.846802][ T407] ? __bfs (kernel/locking/lockdep.c:1787) [ 46.846922][ T407] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 46.847083][ T407] check_irq_usage (kernel/locking/lockdep.c:2871) [ 46.847251][ T407] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 46.847413][ T407] ? __bfs (kernel/locking/lockdep.c:1787) [ 46.847622][ T407] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 46.847784][ T407] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 46.847943][ T407] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 46.848104][ T407] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 46.848264][ T407] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 46.848518][ T407] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 46.848679][ T407] check_prev_add (kernel/locking/lockdep.c:3138) [ 46.848839][ T407] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 46.849001][ T407] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 46.849257][ T407] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 46.849378][ T407] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 46.849538][ T407] ? 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) [ 46.849719][ T407] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 46.849866][ T407] __lock_acquire (kernel/locking/lockdep.c:5137) [ 46.850059][ T407] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 46.850219][ T407] ? __get_task_comm (fs/exec.c:1234) [ 46.850382][ T407] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 46.850503][ T407] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 46.850753][ T407] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 46.850915][ T407] ? __get_task_comm (fs/exec.c:1234) [ 46.851076][ T407] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 46.851237][ T407] ? __get_task_comm (fs/exec.c:1234) [ 46.851488][ T407] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 46.851653][ T407] ? __get_task_comm (fs/exec.c:1234) [ 46.851814][ T407] __get_task_comm (fs/exec.c:1234) [ 46.851974][ T407] ref_tracker_alloc (lib/ref_tracker.c:217) [ 46.852134][ T407] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 46.852383][ T407] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 46.852543][ T407] ? netdev_get_by_index (net/core/dev.c:914) [ 46.852702][ T407] ? fib6_nh_init (net/ipv6/route.c:3541) [ 46.852863][ T407] ? ip6_route_info_create (net/ipv6/route.c:3808) [ 46.853117][ T407] ? addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 46.853277][ T407] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 46.853437][ T407] ? addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 46.853598][ T407] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 46.853762][ T407] ? __dev_notify_flags (net/core/dev.c:8800) [ 46.853925][ T407] ? dev_change_flags (net/core/dev.c:8835) [ 46.854084][ T407] ? do_setlink (net/core/rtnetlink.c:2884) [ 46.854245][ T407] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 46.854412][ T407] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 46.854573][ T407] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 46.854740][ T407] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 46.854899][ T407] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 46.855061][ T407] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 46.855221][ T407] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 46.855384][ T407] netdev_get_by_index (net/core/dev.c:914) [ 46.855544][ T407] fib6_nh_init (net/ipv6/route.c:3541) [ 46.855703][ T407] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 46.855903][ T407] ? __pfx_fib6_nh_init (net/ipv6/route.c:3522) [ 46.856063][ T407] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 46.856227][ T407] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 46.856386][ T407] ? __kmalloc (mm/slub.c:3980) [ 46.856548][ T407] ip6_route_info_create (net/ipv6/route.c:3808) [ 46.856709][ T407] ? __lock_release (kernel/locking/lockdep.c:5430) [ 46.856871][ T407] ? __pfx_ip6_route_info_create (net/ipv6/route.c:3691) [ 46.857069][ T407] ? addrconf_f6i_alloc (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/l3mdev.h:138 net/ipv6/route.c:4564) [ 46.857234][ T407] addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 46.857394][ T407] ? __pfx_addrconf_f6i_alloc (net/ipv6/route.c:4562) [ 46.857557][ T407] ? 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) [ 46.857716][ T407] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) [ 46.857877][ T407] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 46.858035][ T407] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3621) [ 46.858196][ T407] addrconf_permanent_addr (net/ipv6/addrconf.c:3586 net/ipv6/addrconf.c:3623) [ 46.858358][ T407] addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 46.858520][ T407] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 46.858680][ T407] __dev_notify_flags (net/core/dev.c:8800) [ 46.858839][ T407] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 46.858999][ T407] ? __dev_change_flags (net/core/dev.c:8756) [ 46.859160][ T407] ? __pfx___dev_change_flags (net/core/dev.c:8720) [ 46.859320][ T407] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 46.859481][ T407] dev_change_flags (net/core/dev.c:8835) [ 46.859642][ T407] do_setlink (net/core/rtnetlink.c:2884) [ 46.859805][ T407] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 46.859965][ T407] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 46.860125][ T407] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 46.860286][ T407] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 46.860447][ T407] ? __kernel_text_address (kernel/extable.c:79) [ 46.860609][ T407] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 46.860770][ T407] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 46.860970][ T407] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 46.861133][ T407] ? stack_trace_save (kernel/stacktrace.c:123) [ 46.861293][ T407] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 46.861453][ T407] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 46.861611][ T407] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 46.861733][ T407] ? kasan_save_stack (mm/kasan/common.c:49) [ 46.861919][ T407] ? kasan_save_stack (mm/kasan/common.c:48) [ 46.862111][ T407] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 46.862292][ T407] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 46.862456][ T407] ? rtnl_newlink (./include/linux/slab.h:628 net/core/rtnetlink.c:3723) [ 46.862615][ T407] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 46.862785][ T407] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 46.862948][ T407] ? validate_nla (lib/nlattr.c:513) [ 46.863107][ T407] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 46.863266][ T407] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 46.863516][ T407] ? ___sys_sendmsg (net/socket.c:2640) [ 46.863677][ T407] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 46.863837][ T407] ? 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) [ 46.864005][ T407] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 46.864256][ T407] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 46.864455][ T407] ? __create_object (mm/kmemleak.c:756) [ 46.864616][ T407] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 46.864786][ T407] rtnl_newlink (net/core/rtnetlink.c:3728) [ 46.864909][ T407] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 46.865158][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 46.865319][ T407] ? 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) [ 46.865484][ T407] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 46.865607][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 46.865858][ T407] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 46.866019][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 46.866178][ T407] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 46.866337][ T407] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 46.866676][ T407] ? 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) [ 46.866835][ T407] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 46.866998][ T407] ? 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) [ 46.867157][ T407] ? 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) [ 46.867318][ T407] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 46.867567][ T407] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 46.867729][ T407] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 46.867888][ T407] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 46.868048][ T407] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 46.868300][ T407] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 46.868462][ T407] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 46.868623][ T407] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 46.868786][ T407] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 46.869034][ T407] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 46.869193][ T407] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 46.869393][ T407] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 46.869555][ T407] ___sys_sendmsg (net/socket.c:2640) [ 46.869806][ T407] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 46.869970][ T407] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 46.870131][ T407] ? __lock_release (kernel/locking/lockdep.c:5430) [ 46.870291][ T407] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 46.870582][ T407] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 46.870742][ T407] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 46.870902][ T407] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 46.871101][ T407] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 46.871359][ T407] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 46.871521][ T407] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 46.871686][ T407] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 46.871847][ T407] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 46.872137][ T407] RIP: 0033:0x7f7e901ee7b7 [ 46.872304][ T407] 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) [ 46.872874][ T407] RSP: 002b:00007ffe41f108c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 46.873121][ T407] RAX: ffffffffffffffda RBX: 00007ffe41f11000 RCX: 00007f7e901ee7b7 [ 46.873361][ T407] RDX: 0000000000000000 RSI: 00007ffe41f10930 RDI: 0000000000000005 [ 46.873694][ T407] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 46.873981][ T407] R10: 00007f7e900ac4a8 R11: 0000000000000246 R12: 0000000000000003 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add