====================================== | [ 22.792875][ T342] ------------[ cut here ]------------ | [ 22.793075][ T342] DEBUG_LOCKS_WARN_ON(1) | [ 22.793092][ T342] WARNING: CPU: 0 PID: 342 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) | [ 22.793630][ T342] Modules linked in: ip6_tunnel(+) tunnel6 gre 8021q vrf veth [ 22.794286][ T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.794546][ T342] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) [ 22.794797][ T342] Code: ff 4c 89 e6 48 c7 c7 28 3d dd 87 e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 ee ff d6 87 48 c7 c7 3b fc d6 87 e8 c5 89 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 2a 01 d7 87 48 c7 c7 3b fc All code ======== 0: ff 4c 89 e6 decl -0x1a(%rcx,%rcx,4) 4: 48 c7 c7 28 3d dd 87 mov $0xffffffff87dd3d28,%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 87 mov $0xffffffff87d6ffee,%rsi 1d: 48 c7 c7 3b fc d6 87 mov $0xffffffff87d6fc3b,%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 87 mov $0xffffffff87d7012a,%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 87 mov $0xffffffff87d7012a,%rsi 11: 48 rex.W 12: c7 .byte 0xc7 13: c7 (bad) 14: 3b fc cmp %esp,%edi [ 22.795582][ T342] RSP: 0018:ffffc900006075b8 EFLAGS: 00010282 [ 22.795836][ T342] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 22.796243][ T342] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 22.796542][ T342] RBP: ffffe8ffffc04408 R08: 0000000000000000 R09: fffffbfff103e10c [ 22.796832][ T342] R10: 0000000000000003 R11: 0000000000000004 R12: ffff888007a79df8 [ 22.797210][ T342] R13: 0000000000000000 R14: ffffe8ffffc041f0 R15: ffffe8ffffc04198 [ 22.797492][ T342] FS: 00007f38ca946740(0000) GS:ffff8880acbf2000(0000) knlGS:0000000000000000 [ 22.797835][ T342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.798151][ T342] CR2: 00007f38caa485f0 CR3: 0000000011eda004 CR4: 0000000000772ef0 [ 22.798452][ T342] PKRU: 55555554 [ 22.798602][ T342] Call Trace: [ 22.798742][ T342] [ 22.798895][ T342] 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) [ 22.799095][ T342] ip6_tnl_dev_init_gen (net/ipv6/ip6_tunnel.c:1896) ip6_tunnel [ 22.799342][ T342] ip6_tnl_dev_init (net/ipv6/ip6_tunnel.c:1929) ip6_tunnel [ 22.799585][ T342] register_netdevice (net/core/dev.c:11309) [ 22.799775][ T342] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 22.799987][ T342] ? unregister_netdevice_queue (net/core/dev.c:11272) [ 22.800240][ T342] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/netns/generic.h:48) ip6_tunnel [ 22.800427][ T342] ? __lock_release (kernel/locking/lockdep.c:5536) [ 22.800624][ T342] register_netdev (net/core/dev.c:11498) [ 22.800829][ T342] ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2317) ip6_tunnel [ 22.801070][ T342] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 22.801267][ T342] ops_init (net/core/net_namespace.c:137) [ 22.801410][ T342] register_pernet_operations (net/core/net_namespace.c:1315 net/core/net_namespace.c:1392) [ 22.801603][ T342] ? ops_undo_list (net/core/net_namespace.c:1374) [ 22.801797][ T342] ? rwsem_down_write_slowpath (kernel/locking/rwsem.c:1588) [ 22.802040][ T342] ? _sub_I_65535_1 (net/ipv4/gre_demux.c:182) gre [ 22.802242][ T342] register_pernet_device (net/core/net_namespace.c:1479) [ 22.802426][ T342] ip6_tunnel_init (net/ipv6/ip6_tunnel.c:1750) ip6_tunnel [ 22.802675][ T342] do_one_initcall (init/main.c:1284) [ 22.802884][ T342] ? trace_initcall_start (init/main.c:1274) [ 22.803068][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 22.803267][ T342] ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 21)) [ 22.803453][ T342] ? __kmalloc_cache_noprof (mm/slub.c:5765) [ 22.803650][ T342] ? debug_objects_oom (lib/debugobjects.c:1070) [ 22.803857][ T342] ? kasan_unpoison (mm/kasan/shadow.c:156 mm/kasan/shadow.c:182) [ 22.804044][ T342] ? __asan_register_globals (mm/kasan/generic.c:242 (discriminator 3)) [ 22.804238][ T342] do_init_module (kernel/module/main.c:3039) [ 22.804426][ T342] ? free_module (kernel/module/main.c:3011) [ 22.804621][ T342] ? kfree (mm/slub.c:6630 mm/slub.c:6837) [ 22.804764][ T342] ? load_module (kernel/module/main.c:2468 kernel/module/main.c:3504) [ 22.804969][ T342] load_module (kernel/module/main.c:3509) [ 22.805159][ T342] ? layout_and_allocate.constprop.0 (kernel/module/main.c:3353) [ 22.805400][ T342] ? kernel_read_file (fs/kernel_read_file.c:80 (discriminator 2)) [ 22.805594][ T342] ? 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) [ 22.805790][ T342] ? __ia32_sys_fsconfig (fs/kernel_read_file.c:38) [ 22.805990][ T342] ? init_module_from_file (kernel/module/main.c:3701) [ 22.806179][ T342] init_module_from_file (kernel/module/main.c:3701) [ 22.806373][ T342] ? __do_sys_init_module (kernel/module/main.c:3677) [ 22.806575][ T342] ? idempotent_init_module (kernel/module/main.c:3713) [ 22.806764][ T342] ? __lock_release (kernel/locking/lockdep.c:5536) [ 22.806973][ T342] ? 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) [ 22.807159][ T342] idempotent_init_module (kernel/module/main.c:3713) [ 22.807356][ T342] ? init_module_from_file (kernel/module/main.c:3705) [ 22.807553][ T342] ? cap_capable (security/commoncap.c:132) [ 22.807744][ T342] __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) [ 22.807949][ T342] ? 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) [ 22.808138][ T342] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.808331][ T342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 22.808573][ T342] RIP: 0033:0x7f38caa6d92d [ 22.808768][ T342] 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 [ 22.809459][ T342] RSP: 002b:00007fff90c87b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 22.809764][ T342] RAX: ffffffffffffffda RBX: 000055bb153010d0 RCX: 00007f38caa6d92d [ 22.810065][ T342] RDX: 0000000000000000 RSI: 000055baedcf9a2a RDI: 0000000000000002 [ 22.810367][ T342] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055bb15301610 [ 22.810679][ T342] R10: 0000000000000002 R11: 0000000000000246 R12: 000055baedcf9a2a Finger prints: lockdep_init_map_type:gro_cells_init:ip6_tnl_dev_init_gen:ip6_tnl_dev_init:register_netdevice