====================================== | [ 41.709622][ T390] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 41.709967][ T390] | [ 41.710074][ T390] | [ 41.710074][ T390] stack backtrace: [ 41.710490][ T390] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 41.710904][ T390] Call Trace: [ 41.711018][ T390] <TASK> [ 41.711096][ T390] dump_stack_lvl (lib/dump_stack.c:117) [ 41.711335][ T390] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 41.711488][ T390] ? 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) [ 41.711644][ T390] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 41.711833][ T390] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 41.712062][ T390] ? __bfs (kernel/locking/lockdep.c:1787) [ 41.712177][ T390] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 41.712336][ T390] check_irq_usage (kernel/locking/lockdep.c:2871) [ 41.712487][ T390] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 41.712640][ T390] ? __bfs (kernel/locking/lockdep.c:1787) [ 41.712842][ T390] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 41.712994][ T390] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 41.713142][ T390] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 41.713292][ T390] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 41.713533][ T390] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 41.713686][ T390] check_prev_add (kernel/locking/lockdep.c:3138) [ 41.713835][ T390] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 41.713983][ T390] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 41.714138][ T390] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 41.714335][ T390] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 41.714485][ T390] ? 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) [ 41.714633][ T390] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 41.714747][ T390] __lock_acquire (kernel/locking/lockdep.c:5137) [ 41.714993][ T390] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 41.715148][ T390] ? __get_task_comm (fs/exec.c:1234) [ 41.715298][ T390] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 41.715413][ T390] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 41.715569][ T390] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 41.715723][ T390] ? __get_task_comm (fs/exec.c:1234) [ 41.715873][ T390] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 41.716028][ T390] ? __get_task_comm (fs/exec.c:1234) [ 41.716180][ T390] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 41.716334][ T390] ? __get_task_comm (fs/exec.c:1234) [ 41.716484][ T390] __get_task_comm (fs/exec.c:1234) [ 41.716643][ T390] ref_tracker_alloc (lib/ref_tracker.c:217) [ 41.716805][ T390] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 41.716958][ T390] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 41.717110][ T390] ? netdev_get_by_index (net/core/dev.c:914) [ 41.717257][ T390] ? fib6_nh_init (net/ipv6/route.c:3541) [ 41.717408][ T390] ? ip6_route_info_create (net/ipv6/route.c:3808) [ 41.717566][ T390] ? addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 41.717716][ T390] ? __ipv6_dev_ac_inc (net/ipv6/anycast.c:309) [ 41.717867][ T390] ? addrconf_join_anycast (net/ipv6/addrconf.c:2264) [ 41.718023][ T390] ? dev_forward_change (./include/linux/list.h:373 net/ipv6/addrconf.c:833) [ 41.718172][ T390] ? addrconf_fixup_forwarding (net/ipv6/addrconf.c:854 net/ipv6/addrconf.c:898) [ 41.718366][ T390] ? addrconf_sysctl_forward (net/ipv6/addrconf.c:6329) [ 41.718522][ T390] ? proc_sys_call_handler (fs/proc/proc_sysctl.c:595) [ 41.718673][ T390] ? vfs_write (./include/linux/fs.h:2108 fs/read_write.c:497 fs/read_write.c:590) [ 41.718822][ T390] ? ksys_write (fs/read_write.c:643) [ 41.718974][ T390] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 41.719141][ T390] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 41.719335][ T390] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 41.719485][ T390] netdev_get_by_index (net/core/dev.c:914) [ 41.719639][ T390] fib6_nh_init (net/ipv6/route.c:3541) [ 41.719791][ T390] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 41.719987][ T390] ? __pfx_fib6_nh_init (net/ipv6/route.c:3522) [ 41.720125][ T390] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 41.720271][ T390] ? __kasan_kmalloc (mm/kasan/common.c:391) [ 41.720410][ T390] ? __kmalloc (mm/slub.c:3980) [ 41.720554][ T390] ? fib6_get_table (net/ipv6/ip6_fib.c:295) [ 41.720697][ T390] ip6_route_info_create (net/ipv6/route.c:3808) [ 41.720850][ T390] ? __lock_release (kernel/locking/lockdep.c:5430) [ 41.720991][ T390] ? __pfx_ip6_route_info_create (net/ipv6/route.c:3691) [ 41.721163][ T390] ? addrconf_f6i_alloc (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/l3mdev.h:138 net/ipv6/route.c:4564) [ 41.721303][ T390] addrconf_f6i_alloc (net/ipv6/route.c:4584) [ 41.721449][ T390] ? __pfx_addrconf_f6i_alloc (net/ipv6/route.c:4562) [ 41.721593][ T390] ? 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) [ 41.721741][ T390] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) [ 41.721880][ T390] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 41.722034][ T390] __ipv6_dev_ac_inc (net/ipv6/anycast.c:309) [ 41.722176][ T390] addrconf_join_anycast (net/ipv6/addrconf.c:2264) [ 41.722321][ T390] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 41.722427][ T390] ? __pfx_addrconf_join_anycast (net/ipv6/addrconf.c:2256) [ 41.722605][ T390] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 41.722780][ T390] dev_forward_change (./include/linux/list.h:373 net/ipv6/addrconf.c:833) [ 41.722929][ T390] ? __pfx_dev_forward_change (net/ipv6/addrconf.c:803) [ 41.723074][ T390] addrconf_fixup_forwarding (net/ipv6/addrconf.c:854 net/ipv6/addrconf.c:898) [ 41.723216][ T390] addrconf_sysctl_forward (net/ipv6/addrconf.c:6329) [ 41.723362][ T390] ? __pfx_addrconf_sysctl_forward (net/ipv6/addrconf.c:6312) [ 41.723537][ T390] ? __pfx_addrconf_sysctl_forward (net/ipv6/addrconf.c:6312) [ 41.723716][ T390] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 41.723855][ T390] ? __kmalloc_node (mm/slub.c:3974) [ 41.724005][ T390] ? proc_sys_call_handler (fs/proc/proc_sysctl.c:578) [ 41.724143][ T390] proc_sys_call_handler (fs/proc/proc_sysctl.c:595) [ 41.724284][ T390] ? __pfx_proc_sys_call_handler (fs/proc/proc_sysctl.c:550) [ 41.724456][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 41.724596][ T390] vfs_write (./include/linux/fs.h:2108 fs/read_write.c:497 fs/read_write.c:590) [ 41.724701][ T390] ? do_user_addr_fault (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/mm.h:700 arch/x86/mm/fault.c:1364) [ 41.724839][ T390] ? __pfx_vfs_write (fs/read_write.c:571) [ 41.724976][ T390] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 41.725125][ T390] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 41.725262][ T390] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 41.725415][ T390] ksys_write (fs/read_write.c:643) [ 41.725520][ T390] ? __pfx_ksys_write (fs/read_write.c:633) [ 41.725661][ T390] ? do_user_addr_fault (./include/linux/rcupdate.h:815 ./include/linux/mm.h:702 arch/x86/mm/fault.c:1364) [ 41.725797][ T390] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 41.725977][ T390] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 41.726163][ T390] RIP: 0033:0x7fa570f17957 [ 41.726326][ T390] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 All code ======== 0: 0b 00 or (%rax),%eax 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 b7 jmp 0xffffffffffffffc7 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 01 00 00 00 mov $0x1,%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: 48 89 54 24 18 mov %rdx,0x18(%rsp) 3c: 48 rex.W 3d: 89 .byte 0x89 3e: 74 24 je 0x64 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: 48 89 54 24 18 mov %rdx,0x18(%rsp) 12: 48 rex.W 13: 89 .byte 0x89 14: 74 24 je 0x3a [ 41.726864][ T390] RSP: 002b:00007ffc77cead58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.727095][ T390] RAX: ffffffffffffffda RBX: 0000556265df6360 RCX: 00007fa570f17957 [ 41.727316][ T390] RDX: 0000000000000002 RSI: 0000556265df63a0 RDI: 0000000000000005 [ 41.727546][ T390] RBP: 0000556265df84d0 R08: 0000000000000003 R09: 0000000000000077 [ 41.727771][ T390] R10: 000000000000006b R11: 0000000000000246 R12: 0000000000000002 Finger prints: dump_stack_lvl:print_bad_irq_dependency:check_irq_usage:check_prev_add