====================================== | [ 82.056169][ T363] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 82.056480][ T363] | [ 82.056605][ T363] | [ 82.056605][ T363] stack backtrace: [ 82.057425][ T363] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 82.057961][ T363] Call Trace: [ 82.058319][ T363] [ 82.058441][ T363] dump_stack_lvl (lib/dump_stack.c:117) [ 82.058700][ T363] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 82.058947][ T363] ? 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) [ 82.059152][ T363] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 82.059588][ T363] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 82.059873][ T363] ? __bfs (kernel/locking/lockdep.c:1787) [ 82.060058][ T363] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 82.060299][ T363] check_irq_usage (kernel/locking/lockdep.c:2871) [ 82.060715][ T363] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 82.060971][ T363] ? __bfs (kernel/locking/lockdep.c:1787) [ 82.061153][ T363] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 82.061399][ T363] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 82.061649][ T363] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 82.062061][ T363] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 82.062305][ T363] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 82.062550][ T363] check_prev_add (kernel/locking/lockdep.c:3138) [ 82.062756][ T363] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 82.063069][ T363] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 82.063267][ T363] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 82.063419][ T363] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 82.063607][ T363] ? 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) [ 82.063943][ T363] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 82.064109][ T363] __lock_acquire (kernel/locking/lockdep.c:5137) [ 82.064329][ T363] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 82.064516][ T363] ? __get_task_comm (fs/exec.c:1234) [ 82.064702][ T363] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 82.065103][ T363] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 82.065289][ T363] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 82.065474][ T363] ? __get_task_comm (fs/exec.c:1234) [ 82.065659][ T363] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 82.065968][ T363] ? __get_task_comm (fs/exec.c:1234) [ 82.066160][ T363] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 82.066354][ T363] ? __get_task_comm (fs/exec.c:1234) [ 82.066539][ T363] __get_task_comm (fs/exec.c:1234) [ 82.066730][ T363] ref_tracker_alloc (lib/ref_tracker.c:217) [ 82.067072][ T363] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 82.067270][ T363] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 82.067477][ T363] ? netdev_get_by_index (net/core/dev.c:914) [ 82.067665][ T363] ? fib6_nh_init (net/ipv6/route.c:3541) [ 82.067962][ T363] ? ip6_route_info_create (net/ipv6/route.c:3808) [ 82.068148][ T363] ? ip6_route_add (net/ipv6/route.c:3851) [ 82.068339][ T363] ? addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 82.068527][ T363] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3599 net/ipv6/addrconf.c:3623) [ 82.068848][ T363] ? addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 82.069043][ T363] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 82.069228][ T363] ? __dev_notify_flags (net/core/dev.c:8800) [ 82.069419][ T363] ? dev_change_flags (net/core/dev.c:8835) [ 82.069735][ T363] ? do_setlink (net/core/rtnetlink.c:2884) [ 82.069932][ T363] ? __rtnl_newlink (net/core/rtnetlink.c:3680) [ 82.070124][ T363] ? rtnl_newlink (net/core/rtnetlink.c:3728) [ 82.070322][ T363] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 82.070513][ T363] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 82.070826][ T363] ? netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 82.071025][ T363] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 82.071233][ T363] netdev_get_by_index (net/core/dev.c:914) [ 82.071441][ T363] fib6_nh_init (net/ipv6/route.c:3541) [ 82.071812][ T363] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 82.072088][ T363] ? __pfx_fib6_nh_init (net/ipv6/route.c:3522) [ 82.072292][ T363] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 82.072510][ T363] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 82.072858][ T363] ? __kmalloc (mm/slub.c:3980) [ 82.073060][ T363] ? fib6_get_table (net/ipv6/ip6_fib.c:295) [ 82.073276][ T363] ip6_route_info_create (net/ipv6/route.c:3808) [ 82.073491][ T363] ? __pfx_ip6_route_info_create (net/ipv6/route.c:3691) [ 82.073865][ T363] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 82.074061][ T363] ip6_route_add (net/ipv6/route.c:3851) [ 82.074272][ T363] addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 82.074473][ T363] ? __pfx_addrconf_prefix_route (net/ipv6/addrconf.c:2460) [ 82.074866][ T363] ? 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) [ 82.075073][ T363] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) [ 82.075270][ T363] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 82.075477][ T363] ? addrconf_permanent_addr (net/ipv6/addrconf.c:3621) [ 82.075806][ T363] addrconf_permanent_addr (net/ipv6/addrconf.c:3599 net/ipv6/addrconf.c:3623) [ 82.076007][ T363] addrconf_notify (./include/linux/netdevice.h:4245 net/ipv6/addrconf.c:310 net/ipv6/addrconf.c:3697) [ 82.076215][ T363] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 82.076465][ T363] __dev_notify_flags (net/core/dev.c:8800) [ 82.076861][ T363] ? __pfx___dev_notify_flags (net/core/dev.c:8787) [ 82.077094][ T363] ? __dev_change_flags (net/core/dev.c:8756) [ 82.077331][ T363] ? __pfx___dev_change_flags (net/core/dev.c:8720) [ 82.077566][ T363] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 82.077815][ T363] dev_change_flags (net/core/dev.c:8835) [ 82.078219][ T363] do_setlink (net/core/rtnetlink.c:2884) [ 82.078460][ T363] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 82.078706][ T363] ? __pfx_do_setlink (net/core/rtnetlink.c:2762) [ 82.078936][ T363] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 82.079240][ T363] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 82.079428][ T363] ? __kernel_text_address (kernel/extable.c:79) [ 82.079625][ T363] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 82.079842][ T363] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 82.080245][ T363] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 82.080457][ T363] ? stack_trace_save (kernel/stacktrace.c:123) [ 82.080671][ T363] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 82.080878][ T363] ? stack_depot_save_flags (lib/stackdepot.c:609) [ 82.081362][ T363] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 82.081516][ T363] ? kasan_save_stack (mm/kasan/common.c:49) [ 82.081708][ T363] ? kasan_save_stack (mm/kasan/common.c:48) [ 82.081908][ T363] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 82.082112][ T363] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 82.082465][ T363] ? rtnl_newlink (./include/linux/slab.h:628 net/core/rtnetlink.c:3723) [ 82.082680][ T363] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 82.082892][ T363] ? netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 82.083107][ T363] ? validate_nla (lib/nlattr.c:513) [ 82.083468][ T363] ? netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 82.083679][ T363] ? ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 82.083896][ T363] ? ___sys_sendmsg (net/socket.c:2640) [ 82.084121][ T363] __rtnl_newlink (net/core/rtnetlink.c:3680) [ 82.084485][ T363] ? 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) [ 82.084706][ T363] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3541) [ 82.084929][ T363] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 82.085185][ T363] ? __create_object (mm/kmemleak.c:756) [ 82.085543][ T363] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 82.085770][ T363] rtnl_newlink (net/core/rtnetlink.c:3728) [ 82.085926][ T363] rtnetlink_rcv_msg (net/core/rtnetlink.c:6594) [ 82.086133][ T363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 82.086342][ T363] ? 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) [ 82.086695][ T363] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 82.086864][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 82.087091][ T363] netlink_rcv_skb (net/netlink/af_netlink.c:2559) [ 82.087313][ T363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6488) [ 82.087670][ T363] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 82.087889][ T363] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 82.088097][ T363] ? 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) [ 82.088290][ T363] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 82.088650][ T363] ? 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) [ 82.088871][ T363] ? 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) [ 82.089080][ T363] ? netlink_deliver_tap (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/netlink/af_netlink.c:340) [ 82.089295][ T363] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [ 82.089516][ T363] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1346) [ 82.089875][ T363] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 82.090089][ T363] netlink_sendmsg (net/netlink/af_netlink.c:1905) [ 82.090329][ T363] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1824) [ 82.090566][ T363] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 82.090972][ T363] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 82.091213][ T363] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [ 82.091457][ T363] ? __pfx_____sys_sendmsg (net/socket.c:2530) [ 82.091695][ T363] ? __pfx_copy_msghdr_from_user (net/socket.c:2510) [ 82.092153][ T363] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 82.092402][ T363] ___sys_sendmsg (net/socket.c:2640) [ 82.092620][ T363] ? __pfx____sys_sendmsg (net/socket.c:2627) [ 82.092808][ T363] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 82.093130][ T363] ? __lock_release (kernel/locking/lockdep.c:5430) [ 82.093345][ T363] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) [ 82.093613][ T363] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 82.093824][ T363] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 82.094188][ T363] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 82.094456][ T363] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 82.094670][ T363] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [ 82.094862][ T363] ? __pfx___sys_sendmsg (net/socket.c:2655) [ 82.095202][ T363] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 82.095415][ T363] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 82.095656][ T363] RIP: 0033:0x7fe8f24557b7 [ 82.095870][ T363] 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) [ 82.096685][ T363] RSP: 002b:00007fffe9795eb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 82.097119][ T363] RAX: ffffffffffffffda RBX: 00007fffe97965f0 RCX: 00007fe8f24557b7 [ 82.097397][ T363] RDX: 0000000000000000 RSI: 00007fffe9795f20 RDI: 0000000000000005 [ 82.097686][ T363] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 82.098230][ T363] R10: 00007fe8f23134a8 R11: 0000000000000246 R12: 0000000000000002 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add