====================================== | [ 87.827322][ T1283] ------------[ cut here ]------------ | [ 87.827574][ T1283] DEBUG_LOCKS_WARN_ON(1) | [ 87.827597][ T1283] WARNING: CPU: 2 PID: 1283 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) | [ 87.828241][ T1283] Modules linked in: ip_gre(+) gre cls_matchall 8021q act_gact cls_flower sch_ingress vrf veth [ 87.829395][ T1283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 87.829697][ T1283] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) [ 87.830041][ T1283] Code: ff 4c 89 e6 48 c7 c7 28 3d bd b0 e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 ee ff b6 b0 48 c7 c7 3b fc b6 b0 e8 c5 89 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 2a 01 b7 b0 48 c7 c7 3b fc All code ======== 0: ff 4c 89 e6 decl -0x1a(%rcx,%rcx,4) 4: 48 c7 c7 28 3d bd b0 mov $0xffffffffb0bd3d28,%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 b6 b0 mov $0xffffffffb0b6ffee,%rsi 1d: 48 c7 c7 3b fc b6 b0 mov $0xffffffffb0b6fc3b,%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 b7 b0 mov $0xffffffffb0b7012a,%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 b7 b0 mov $0xffffffffb0b7012a,%rsi 11: 48 rex.W 12: c7 .byte 0xc7 13: c7 (bad) 14: 3b fc cmp %esp,%edi [ 87.830786][ T1283] RSP: 0018:ffffc900013bf490 EFLAGS: 00010282 [ 87.831107][ T1283] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 87.831435][ T1283] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 87.831788][ T1283] RBP: ffffe8ffffc03bd0 R08: 0000000000000000 R09: fffffbfff61fe10c [ 87.832139][ T1283] R10: 0000000000000003 R11: 0000000000000004 R12: ffff888007e71dd0 [ 87.832459][ T1283] R13: 0000000000000000 R14: ffffe8ffffc039b8 R15: ffffe8ffffc03960 [ 87.832811][ T1283] FS: 00007f679b324740(0000) GS:ffff88807e2f2000(0000) knlGS:0000000000000000 [ 87.833188][ T1283] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.833485][ T1283] CR2: 000055bad6131dec CR3: 000000000ef52004 CR4: 0000000000772ef0 [ 87.833805][ T1283] PKRU: 55555554 [ 87.833991][ T1283] Call Trace: [ 87.834186][ T1283] [ 87.834304][ T1283] 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) [ 87.834599][ T1283] ip_tunnel_init (net/ipv4/ip_tunnel.c:1298) [ 87.834893][ T1283] register_netdevice (net/core/dev.c:11309) [ 87.835145][ T1283] ? unregister_netdevice_queue (net/core/dev.c:11272) [ 87.835432][ T1283] ? alloc_netdev_mqs (net/core/dev.c:12076) [ 87.835655][ T1283] __ip_tunnel_create (net/ipv4/ip_tunnel.c:268) [ 87.835898][ T1283] ? ip_tunnel_add (net/ipv4/ip_tunnel.c:236) [ 87.836131][ T1283] ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147) [ 87.836358][ T1283] ? 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) [ 87.836546][ T1283] ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:1124) [ 87.836781][ T1283] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 87.837037][ T1283] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 87.837307][ T1283] ops_init (net/core/net_namespace.c:137) [ 87.837488][ T1283] register_pernet_operations (net/core/net_namespace.c:1315 net/core/net_namespace.c:1392) [ 87.837732][ T1283] ? ops_undo_list (net/core/net_namespace.c:1374) [ 87.837967][ T1283] ? rwsem_down_write_slowpath (kernel/locking/rwsem.c:1588) [ 87.838223][ T1283] ? _sub_I_65535_1 (net/ipv4/ip_gre.c:1769) ip_gre [ 87.838480][ T1283] register_pernet_device (net/core/net_namespace.c:1479) [ 87.838699][ T1283] ipgre_init (net/ipv4/ip_gre.c:1384) ip_gre [ 87.838953][ T1283] do_one_initcall (init/main.c:1284) [ 87.839183][ T1283] ? trace_initcall_start (init/main.c:1274) [ 87.839435][ T1283] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 87.839694][ T1283] ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 21)) [ 87.839923][ T1283] ? __kmalloc_cache_noprof (mm/slub.c:5765) [ 87.840162][ T1283] ? debug_objects_oom (lib/debugobjects.c:1070) [ 87.840414][ T1283] ? kasan_unpoison (mm/kasan/shadow.c:156 mm/kasan/shadow.c:182) [ 87.840638][ T1283] ? __asan_register_globals (mm/kasan/generic.c:242 (discriminator 3)) [ 87.840935][ T1283] do_init_module (kernel/module/main.c:3039) [ 87.841201][ T1283] ? free_module (kernel/module/main.c:3011) [ 87.841435][ T1283] ? kfree (mm/slub.c:6630 mm/slub.c:6837) [ 87.841611][ T1283] ? load_module (kernel/module/main.c:2468 kernel/module/main.c:3504) [ 87.841873][ T1283] load_module (kernel/module/main.c:3509) [ 87.842131][ T1283] ? layout_and_allocate.constprop.0 (kernel/module/main.c:3353) [ 87.842415][ T1283] ? kernel_read_file (fs/kernel_read_file.c:80 (discriminator 2)) [ 87.842650][ T1283] ? 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) [ 87.842875][ T1283] ? __ia32_sys_fsconfig (fs/kernel_read_file.c:38) [ 87.843099][ T1283] ? init_module_from_file (kernel/module/main.c:3701) [ 87.843314][ T1283] init_module_from_file (kernel/module/main.c:3701) [ 87.843547][ T1283] ? __do_sys_init_module (kernel/module/main.c:3677) [ 87.843777][ T1283] ? idempotent_init_module (kernel/module/main.c:3713) [ 87.843995][ T1283] ? __lock_release (kernel/locking/lockdep.c:5536) [ 87.844228][ T1283] ? 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) [ 87.844535][ T1283] idempotent_init_module (kernel/module/main.c:3713) [ 87.844739][ T1283] ? init_module_from_file (kernel/module/main.c:3705) [ 87.844987][ T1283] ? cap_capable (security/commoncap.c:132) [ 87.845228][ T1283] __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) [ 87.845457][ T1283] ? 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) [ 87.845673][ T1283] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 87.845907][ T1283] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 87.846169][ T1283] RIP: 0033:0x7f679b44b92d [ 87.846392][ T1283] 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 [ 87.847170][ T1283] RSP: 002b:00007ffe5e97fb58 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 87.847564][ T1283] RAX: ffffffffffffffda RBX: 0000558ca65a3d20 RCX: 00007f679b44b92d [ 87.847911][ T1283] RDX: 0000000000000000 RSI: 0000558c885a6a2a RDI: 0000000000000001 [ 87.848282][ T1283] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000558ca65a41a0 [ 87.848649][ T1283] R10: 0000000000000001 R11: 0000000000000246 R12: 0000558c885a6a2a Finger prints: lockdep_init_map_type:gro_cells_init:ip_tunnel_init:register_netdevice:__ip_tunnel_create