====================================== | [ 85.081114][ T907] ------------[ cut here ]------------ | [ 85.081304][ T907] DEBUG_LOCKS_WARN_ON(1) | [ 85.081334][ T907] WARNING: CPU: 3 PID: 907 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) | [ 85.081866][ T907] Modules linked in: ip6_tunnel(+) tunnel6 gre 8021q act_gact act_pedit cls_flower bridge stp llc sch_ingress vrf veth [ 85.082661][ T907] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 85.082902][ T907] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) [ 85.083146][ T907] Code: ff 4c 89 e6 48 c7 c7 28 3d 3d ba e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 ee ff 36 ba 48 c7 c7 3b fc 36 ba e8 c5 89 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 2a 01 37 ba 48 c7 c7 3b fc All code ======== 0: ff 4c 89 e6 decl -0x1a(%rcx,%rcx,4) 4: 48 c7 c7 28 3d 3d ba mov $0xffffffffba3d3d28,%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 36 ba mov $0xffffffffba36ffee,%rsi 1d: 48 c7 c7 3b fc 36 ba mov $0xffffffffba36fc3b,%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 37 ba mov $0xffffffffba37012a,%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 37 ba mov $0xffffffffba37012a,%rsi 11: 48 rex.W 12: c7 .byte 0xc7 13: c7 (bad) 14: 3b fc cmp %esp,%edi [ 85.083834][ T907] RSP: 0018:ffffc900006175b8 EFLAGS: 00010282 [ 85.084081][ T907] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 85.084364][ T907] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 85.084655][ T907] RBP: ffffe8ffffc049e0 R08: 0000000000000000 R09: fffffbfff74fe10c [ 85.084944][ T907] R10: 0000000000000003 R11: 0000000000000004 R12: ffff88800f65cdf8 [ 85.085237][ T907] R13: 0000000000000000 R14: ffffe8ffffc047c8 R15: ffffe8ffffc04770 [ 85.085542][ T907] FS: 00007ff8bc7a8740(0000) GS:ffff88807a772000(0000) knlGS:0000000000000000 [ 85.085880][ T907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.086125][ T907] CR2: 00007ff8bc83cd10 CR3: 000000000d743001 CR4: 0000000000772ef0 [ 85.086414][ T907] PKRU: 55555554 [ 85.086562][ T907] Call Trace: [ 85.086705][ T907] [ 85.086804][ T907] 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) [ 85.087021][ T907] ip6_tnl_dev_init_gen (net/ipv6/ip6_tunnel.c:1896) ip6_tunnel [ 85.087265][ T907] ip6_tnl_dev_init (net/ipv6/ip6_tunnel.c:1929) ip6_tunnel [ 85.087527][ T907] register_netdevice (net/core/dev.c:11309) [ 85.087730][ T907] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 85.087931][ T907] ? unregister_netdevice_queue (net/core/dev.c:11272) [ 85.088167][ T907] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/netns/generic.h:48) ip6_tunnel [ 85.088363][ T907] ? __lock_release (kernel/locking/lockdep.c:5536) [ 85.088552][ T907] register_netdev (net/core/dev.c:11498) [ 85.088751][ T907] ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2317) ip6_tunnel [ 85.088992][ T907] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 85.089191][ T907] ops_init (net/core/net_namespace.c:137) [ 85.089340][ T907] register_pernet_operations (net/core/net_namespace.c:1315 net/core/net_namespace.c:1392) [ 85.089528][ T907] ? ops_undo_list (net/core/net_namespace.c:1374) [ 85.089727][ T907] ? rwsem_down_write_slowpath (kernel/locking/rwsem.c:1588) [ 85.089966][ T907] ? _sub_I_65535_1 (net/ipv6/ip6_tunnel.c:1795) ip6_tunnel [ 85.090202][ T907] register_pernet_device (net/core/net_namespace.c:1479) [ 85.090393][ T907] ip6_tunnel_init (net/ipv6/ip6_tunnel.c:1750) ip6_tunnel [ 85.090635][ T907] do_one_initcall (init/main.c:1284) [ 85.090825][ T907] ? trace_initcall_start (init/main.c:1274) [ 85.091045][ T907] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 85.091239][ T907] ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 21)) [ 85.091431][ T907] ? __kmalloc_cache_noprof (mm/slub.c:5765) [ 85.091624][ T907] ? debug_objects_oom (lib/debugobjects.c:1070) [ 85.091819][ T907] ? kasan_unpoison (mm/kasan/shadow.c:156 mm/kasan/shadow.c:182) [ 85.092010][ T907] ? __asan_register_globals (mm/kasan/generic.c:242 (discriminator 3)) [ 85.092197][ T907] do_init_module (kernel/module/main.c:3039) [ 85.092391][ T907] ? free_module (kernel/module/main.c:3011) [ 85.092581][ T907] ? kfree (mm/slub.c:6630 mm/slub.c:6837) [ 85.092722][ T907] ? load_module (kernel/module/main.c:2468 kernel/module/main.c:3504) [ 85.092910][ T907] load_module (kernel/module/main.c:3509) [ 85.093097][ T907] ? layout_and_allocate.constprop.0 (kernel/module/main.c:3353) [ 85.093334][ T907] ? kernel_read_file (fs/kernel_read_file.c:80 (discriminator 2)) [ 85.093529][ T907] ? 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) [ 85.093724][ T907] ? __ia32_sys_fsconfig (fs/kernel_read_file.c:38) [ 85.093915][ T907] ? init_module_from_file (kernel/module/main.c:3701) [ 85.094101][ T907] init_module_from_file (kernel/module/main.c:3701) [ 85.094292][ T907] ? __do_sys_init_module (kernel/module/main.c:3677) [ 85.094485][ T907] ? idempotent_init_module (kernel/module/main.c:3713) [ 85.094678][ T907] ? __lock_release (kernel/locking/lockdep.c:5536) [ 85.094867][ T907] ? 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) [ 85.095079][ T907] idempotent_init_module (kernel/module/main.c:3713) [ 85.095269][ T907] ? init_module_from_file (kernel/module/main.c:3705) [ 85.095459][ T907] ? cap_capable (security/commoncap.c:132) [ 85.095656][ T907] __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) [ 85.095845][ T907] ? 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) [ 85.096054][ T907] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 85.096246][ T907] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 85.096480][ T907] RIP: 0033:0x7ff8bc8cf92d [ 85.096688][ T907] 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 [ 85.097359][ T907] RSP: 002b:00007ffddc2739e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 85.097668][ T907] RAX: ffffffffffffffda RBX: 00005589b5f4d0d0 RCX: 00007ff8bc8cf92d [ 85.097956][ T907] RDX: 0000000000000000 RSI: 00005589ac022a2a RDI: 0000000000000002 [ 85.098239][ T907] RBP: 0000000000040000 R08: 0000000000000000 R09: 00005589b5f4d610 [ 85.098524][ T907] R10: 0000000000000002 R11: 0000000000000246 R12: 00005589ac022a2a Finger prints: lockdep_init_map_type:gro_cells_init:ip6_tnl_dev_init_gen:ip6_tnl_dev_init:register_netdevice