====================================== | [ 114.583309][ T817] ------------[ cut here ]------------ | [ 114.583523][ T817] DEBUG_LOCKS_WARN_ON(1) | [ 114.583540][ T817] WARNING: CPU: 3 PID: 817 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) | [ 114.584114][ T817] Modules linked in: ip_gre(+) gre xfrm_user act_vlan cls_flower sch_ingress bridge stp llc 8021q vrf veth [ 114.584967][ T817] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 114.585229][ T817] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) [ 114.585507][ T817] Code: ff 4c 89 e6 48 c7 c7 28 3d dd 92 e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 ee ff d6 92 48 c7 c7 3b fc d6 92 e8 c5 89 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 2a 01 d7 92 48 c7 c7 3b fc All code ======== 0: ff 4c 89 e6 decl -0x1a(%rcx,%rcx,4) 4: 48 c7 c7 28 3d dd 92 mov $0xffffffff92dd3d28,%rdi b: e8 ee c9 01 00 call 0x1c9fe 10: e9 3d ff ff ff jmp 0xffffffffffffff52 15: 90 nop 16: 48 c7 c6 ee ff d6 92 mov $0xffffffff92d6ffee,%rsi 1d: 48 c7 c7 3b fc d6 92 mov $0xffffffff92d6fc3b,%rdi 24: e8 c5 89 e9 ff call 0xffffffffffe989ee 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: e9 47 ff ff ff jmp 0xffffffffffffff7a 33: 90 nop 34: 48 c7 c6 2a 01 d7 92 mov $0xffffffff92d7012a,%rsi 3b: 48 rex.W 3c: c7 .byte 0xc7 3d: c7 (bad) 3e: 3b fc cmp %esp,%edi Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: e9 47 ff ff ff jmp 0xffffffffffffff50 9: 90 nop a: 48 c7 c6 2a 01 d7 92 mov $0xffffffff92d7012a,%rsi 11: 48 rex.W 12: c7 .byte 0xc7 13: c7 (bad) 14: 3b fc cmp %esp,%edi [ 114.586244][ T817] RSP: 0018:ffffc90000e7f490 EFLAGS: 00010282 [ 114.586515][ T817] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 114.586830][ T817] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 114.587140][ T817] RBP: ffffe8ffffc04b58 R08: 0000000000000000 R09: fffffbfff263e10c [ 114.587455][ T817] R10: 0000000000000003 R11: 0000000000000004 R12: ffff88800e471dd0 [ 114.587763][ T817] R13: 0000000000000000 R14: ffffe8ffffc04940 R15: ffffe8ffffc048e8 [ 114.588072][ T817] FS: 00007fcb44bcc740(0000) GS:ffff8880a1d72000(0000) knlGS:0000000000000000 [ 114.588440][ T817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.588703][ T817] CR2: 00007ffcd4682ff8 CR3: 0000000001e9d003 CR4: 0000000000772ef0 [ 114.589014][ T817] PKRU: 55555554 [ 114.589169][ T817] Call Trace: [ 114.589324][ T817] [ 114.589452][ T817] gro_cells_init (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-atomic.h:28 net/core/gro_cells.c:93 net/core/gro_cells.c:78) [ 114.589674][ T817] ip_tunnel_init (net/ipv4/ip_tunnel.c:1298) [ 114.589887][ T817] register_netdevice (net/core/dev.c:11309) [ 114.590095][ T817] ? unregister_netdevice_queue (net/core/dev.c:11272) [ 114.590351][ T817] ? alloc_netdev_mqs (net/core/dev.c:12076) [ 114.590568][ T817] __ip_tunnel_create (net/ipv4/ip_tunnel.c:268) [ 114.590777][ T817] ? ip_tunnel_add (net/ipv4/ip_tunnel.c:236) [ 114.590986][ T817] ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147) [ 114.591197][ T817] ? paint_ptr (./arch/x86/include/asm/atomic.h:67 ./include/linux/atomic/atomic-arch-fallback.h:2278 ./include/linux/atomic/atomic-instrumented.h:1384 mm/kmemleak.c:554 mm/kmemleak.c:937) [ 114.591362][ T817] ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:1124) [ 114.591580][ T817] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 114.591789][ T817] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 114.592052][ T817] ops_init (net/core/net_namespace.c:137) [ 114.592212][ T817] register_pernet_operations (net/core/net_namespace.c:1315 net/core/net_namespace.c:1392) [ 114.592429][ T817] ? ops_undo_list (net/core/net_namespace.c:1374) [ 114.592636][ T817] ? rwsem_down_write_slowpath (kernel/locking/rwsem.c:1588) [ 114.592899][ T817] ? _sub_I_65535_1 (net/ipv4/ip_gre.c:1769) ip_gre [ 114.593112][ T817] register_pernet_device (net/core/net_namespace.c:1479) [ 114.593314][ T817] ipgre_init (net/ipv4/ip_gre.c:1384) ip_gre [ 114.593532][ T817] do_one_initcall (init/main.c:1284) [ 114.593740][ T817] ? trace_initcall_start (init/main.c:1274) [ 114.593951][ T817] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 114.594162][ T817] ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 21)) [ 114.594374][ T817] ? __kmalloc_cache_noprof (mm/slub.c:5765) [ 114.594588][ T817] ? debug_objects_oom (lib/debugobjects.c:1070) [ 114.594798][ T817] ? kasan_unpoison (mm/kasan/shadow.c:156 mm/kasan/shadow.c:182) [ 114.595007][ T817] ? __asan_register_globals (mm/kasan/generic.c:242 (discriminator 3)) [ 114.595214][ T817] do_init_module (kernel/module/main.c:3039) [ 114.595432][ T817] ? free_module (kernel/module/main.c:3011) [ 114.595641][ T817] ? kfree (mm/slub.c:6630 mm/slub.c:6837) [ 114.595804][ T817] ? load_module (kernel/module/main.c:2468 kernel/module/main.c:3504) [ 114.596012][ T817] load_module (kernel/module/main.c:3509) [ 114.596226][ T817] ? layout_and_allocate.constprop.0 (kernel/module/main.c:3353) [ 114.596489][ T817] ? kernel_read_file (fs/kernel_read_file.c:80 (discriminator 2)) [ 114.596699][ T817] ? kernel_read_file (./arch/x86/include/asm/atomic.h:53 ./include/linux/atomic/atomic-arch-fallback.h:992 ./include/linux/atomic/atomic-instrumented.h:436 ./include/linux/fs.h:3207 fs/kernel_read_file.c:122) [ 114.596909][ T817] ? __ia32_sys_fsconfig (fs/kernel_read_file.c:38) [ 114.597118][ T817] ? init_module_from_file (kernel/module/main.c:3701) [ 114.597327][ T817] init_module_from_file (kernel/module/main.c:3701) [ 114.597542][ T817] ? __do_sys_init_module (kernel/module/main.c:3677) [ 114.597756][ T817] ? idempotent_init_module (kernel/module/main.c:3713) [ 114.597960][ T817] ? __lock_release (kernel/locking/lockdep.c:5536) [ 114.598170][ T817] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 114.598374][ T817] idempotent_init_module (kernel/module/main.c:3713) [ 114.598582][ T817] ? init_module_from_file (kernel/module/main.c:3705) [ 114.598794][ T817] ? cap_capable (security/commoncap.c:132) [ 114.598999][ T817] __x64_sys_finit_module (./include/linux/file.h:62 ./include/linux/file.h:83 kernel/module/main.c:3736 kernel/module/main.c:3723 kernel/module/main.c:3723) [ 114.599203][ T817] ? do_syscall_64 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/entry-common.h:124 arch/x86/entry/syscall_64.c:90) [ 114.599428][ T817] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 114.599636][ T817] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 114.599896][ T817] RIP: 0033:0x7fcb44cf392d [ 114.600118][ T817] Code: 5b 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 9b 14 0f 00 f7 d8 64 89 01 48 All code ======== 0: 5b pop %rbx 1: 41 5c pop %r12 3: c3 ret 4: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) b: 00 00 d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 9b 14 0f 00 mov 0xf149b(%rip),%rcx # 0xf14d5 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 9b 14 0f 00 mov 0xf149b(%rip),%rcx # 0xf14ab 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 114.600871][ T817] RSP: 002b:00007ffcd4687118 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 114.601186][ T817] RAX: ffffffffffffffda RBX: 0000555ffc460d30 RCX: 00007fcb44cf392d [ 114.601499][ T817] RDX: 0000000000000000 RSI: 0000555fc0d06a2a RDI: 0000000000000001 [ 114.601813][ T817] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000555ffc4611a0 [ 114.602122][ T817] R10: 0000000000000001 R11: 0000000000000246 R12: 0000555fc0d06a2a Finger prints: lockdep_init_map_type:gro_cells_init:ip_tunnel_init:register_netdevice:__ip_tunnel_create