====================================== | xx__-> [ 250.589256][ T749] ip_gre: GRE over IPv4 tunneling driver | [ 250.659766][ T748] ------------[ cut here ]------------ | [ 250.660291][ T748] WARNING: CPU: 1 PID: 748 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 250.661091][ T748] Modules linked in: ip_gre act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth [ 250.662757][ T748] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 250.663152][ T748] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 250.663487][ T748] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 fa 61 7b 00 call 0x7b621b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 250.664622][ T748] RSP: 0018:ffffc9000169f000 EFLAGS: 00010246 [ 250.665018][ T748] RAX: 0000000000000000 RBX: ffff88800fca1000 RCX: 0000000000000001 [ 250.665502][ T748] RDX: 0000000000000000 RSI: ffffffffb2a9b939 RDI: ffffffffb22555e0 [ 250.665991][ T748] RBP: ffffc9000169f0e8 R08: ffff88800fca1218 R09: 0000000000000000 [ 250.666469][ T748] R10: ffffc9000169f118 R11: ffffffffb2f79160 R12: 1ffff920002d3e04 [ 250.666949][ T748] R13: 00000000000005b6 R14: ffffc9000169f118 R15: ffff88800fca1218 [ 250.667431][ T748] FS: 00007fc002eb4800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000 [ 250.667990][ T748] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 250.668395][ T748] CR2: 00007fffc8d3bff8 CR3: 000000000ffc4005 CR4: 0000000000772ef0 [ 250.668872][ T748] PKRU: 55555554 [ 250.669110][ T748] Call Trace: [ 250.669354][ T748] [ 250.669514][ T748] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) [ 250.669922][ T748] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 250.670265][ T748] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 250.670931][ T748] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) [ 250.671262][ T748] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 250.671590][ T748] netif_set_mtu (net/core/dev.c:9652) [ 250.671905][ T748] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 250.672239][ T748] ? dev_addr_mod (net/core/dev_addr_lists.c:584) [ 250.672555][ T748] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 250.672805][ T748] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) [ 250.673117][ T748] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) [ 250.673446][ T748] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre [ 250.673770][ T748] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre [ 250.674160][ T748] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 250.674484][ T748] ? rtnl_create_link (net/core/rtnetlink.c:3642) [ 250.674809][ T748] rtnl_newlink_create (net/core/rtnetlink.c:3828) [ 250.675127][ T748] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 250.675445][ T748] ? __dev_get_by_name (net/core/dev.c:865) [ 250.675767][ T748] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 250.676080][ T748] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 250.676405][ T748] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 250.676723][ T748] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 250.677040][ T748] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 250.677386][ T748] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 250.677737][ T748] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 250.678063][ T748] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 250.678376][ T748] ? __lock_release (kernel/locking/lockdep.c:5539) [ 250.678694][ T748] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 250.679002][ T748] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 250.679310][ T748] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 250.679627][ T748] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 250.679952][ T748] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 250.680266][ T748] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 250.680574][ T748] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 250.680900][ T748] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 250.681209][ T748] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 250.681519][ T748] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 250.681845][ T748] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 250.682158][ T748] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 250.682469][ T748] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 250.682788][ T748] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 250.683101][ T748] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 250.683415][ T748] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 250.683751][ T748] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 250.684064][ T748] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 250.684469][ T748] ___sys_sendmsg (net/socket.c:2670) [ 250.684788][ T748] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 250.685099][ T748] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 250.685418][ T748] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 250.685733][ T748] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 250.686049][ T748] ? __handle_mm_fault (mm/memory.c:6212) [ 250.686360][ T748] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 250.686681][ T748] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 250.687011][ T748] __sys_sendmsg (net/socket.c:2700) [ 250.687321][ T748] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 250.687650][ T748] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 250.687977][ T748] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 250.688289][ T748] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 250.688615][ T748] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 250.688933][ T748] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 250.689322][ T748] RIP: 0033:0x7fc0030811e7 [ 250.689663][ T748] Code: Unable to access opcode bytes at 0x7fc0030811bd. Code starting with the faulting instruction =========================================== [ 250.690067][ T748] RSP: 002b:00007ffee58e1ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 250.690538][ T748] RAX: ffffffffffffffda RBX: 00007ffee58e22d0 RCX: 00007fc0030811e7 [ 250.691018][ T748] RDX: 0000000000000000 RSI: 00007ffee58e1c10 RDI: 0000000000000005 [ 250.691488][ T748] RBP: 0000000000000004 R08: 00000000000000b0 R09: 0000000000000000 [ 250.691966][ T748] R10: 00007fc002f796f8 R11: 0000000000000246 R12: 00007ffee58e22f0 [ 250.692434][ T748] R13: 00000000686e6380 R14: 0000000000499600 R15: 00007ffee58e1cfc | [ 253.234536][ T774] ------------[ cut here ]------------ | [ 253.234877][ T774] WARNING: CPU: 3 PID: 774 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 253.235490][ T774] Modules linked in: bridge stp llc cls_matchall ip_gre act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth | [ 253.237899][ T774] Tainted: [W]=WARN [ 253.238145][ T774] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 253.238527][ T774] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 253.238855][ T774] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 fa 61 7b 00 call 0x7b621b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 253.239951][ T774] RSP: 0018:ffffc900005d6ef0 EFLAGS: 00010246 [ 253.240494][ T774] RAX: 0000000000000000 RBX: ffff88800b562000 RCX: 0000000000000001 [ 253.240961][ T774] RDX: 0000000000000000 RSI: ffffffffb2a9b939 RDI: ffffffffb22555e0 [ 253.241417][ T774] RBP: ffffc900005d6fe0 R08: 0000000000000000 R09: 0000000000000000 [ 253.241889][ T774] R10: ffffc900005d7010 R11: ffffffffb38a8918 R12: 1ffff920000bade2 [ 253.242343][ T774] R13: 00000000000005dc R14: ffffc900005d7010 R15: ffff88800b562f08 [ 253.242807][ T774] FS: 00007f987bc28800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 253.243383][ T774] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 253.243790][ T774] CR2: 00000000004e5aa8 CR3: 000000000a367002 CR4: 0000000000772ef0 [ 253.244260][ T774] PKRU: 55555554 [ 253.244493][ T774] Call Trace: [ 253.244731][ T774] [ 253.244890][ T774] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 253.245198][ T774] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 253.245513][ T774] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 253.245845][ T774] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 253.246249][ T774] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 253.246556][ T774] netif_set_mtu (net/core/dev.c:9652) [ 253.246869][ T774] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 253.247196][ T774] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 253.247659][ T774] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 253.247895][ T774] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 253.248317][ T774] br_add_if (net/bridge/br_if.c:697) bridge [ 253.248673][ T774] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) [ 253.248986][ T774] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 253.249296][ T774] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 253.249689][ T774] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 253.250001][ T774] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 253.250314][ T774] ? __kernel_text_address (kernel/extable.c:79) [ 253.250644][ T774] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 253.250954][ T774] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) [ 253.251275][ T774] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 253.251667][ T774] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 253.251980][ T774] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 253.252288][ T774] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 253.252603][ T774] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 253.252915][ T774] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 253.253221][ T774] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 253.253521][ T774] ? __create_object (mm/kmemleak.c:771) [ 253.253840][ T774] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 253.254148][ T774] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 253.254459][ T774] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 253.254861][ T774] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 253.255176][ T774] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 253.255497][ T774] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 253.255815][ T774] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 253.256128][ T774] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 253.256439][ T774] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 253.256755][ T774] ? __lock_release (kernel/locking/lockdep.c:5539) [ 253.257064][ T774] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 253.257370][ T774] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 253.257703][ T774] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 253.258024][ T774] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 253.258341][ T774] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 253.258664][ T774] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 253.258973][ T774] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 253.259293][ T774] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 253.259607][ T774] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 253.259927][ T774] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 253.260243][ T774] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 253.260546][ T774] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 253.260871][ T774] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 253.261189][ T774] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 253.261494][ T774] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 253.261822][ T774] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 253.262137][ T774] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 253.262448][ T774] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 253.262850][ T774] ___sys_sendmsg (net/socket.c:2670) [ 253.263154][ T774] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 253.263459][ T774] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) [ 253.263850][ T774] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 253.264161][ T774] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 253.264497][ T774] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 253.264829][ T774] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 253.265133][ T774] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 253.265438][ T774] ? __lock_release (kernel/locking/lockdep.c:5539) [ 253.265759][ T774] __sys_sendmsg (net/socket.c:2700) [ 253.266065][ T774] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 253.266444][ T774] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 253.266769][ T774] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 253.267086][ T774] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 253.267402][ T774] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 253.267791][ T774] RIP: 0033:0x7f987bdf51e7 [ 253.268133][ T774] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 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 2e 00 00 00 mov $0x2e,%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: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) 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: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 253.269268][ T774] RSP: 002b:00007ffc2a547c48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 253.269737][ T774] RAX: ffffffffffffffda RBX: 00007ffc2a548370 RCX: 00007f987bdf51e7 [ 253.270193][ T774] RDX: 0000000000000000 RSI: 00007ffc2a547cb0 RDI: 0000000000000005 [ 253.270659][ T774] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 253.271113][ T774] R10: 0000000003b6c910 R11: 0000000000000246 R12: 0000000000000004 [ 253.271575][ T774] R13: 00000000686e6382 R14: 0000000000499600 R15: 0000000000000000 | [ 253.531422][ T776] ------------[ cut here ]------------ | [ 253.532687][ T776] WARNING: CPU: 0 PID: 776 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 253.533332][ T776] Modules linked in: bridge stp llc cls_matchall ip_gre act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth | [ 253.534916][ T776] Tainted: [W]=WARN [ 253.535160][ T776] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 253.535563][ T776] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 253.535910][ T776] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 fa 61 7b 00 call 0x7b621b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 253.537062][ T776] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246 [ 253.537487][ T776] RAX: 0000000000000000 RBX: ffff88800b562000 RCX: 0000000000000001 [ 253.537979][ T776] RDX: 0000000000000000 RSI: ffffffffb2a9b939 RDI: ffffffffb22555e0 [ 253.538473][ T776] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000 [ 253.538964][ T776] R10: ffffc900005e7010 R11: ffffffffb38a8918 R12: 1ffff920000bcde2 [ 253.539446][ T776] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff88800b562f08 [ 253.539938][ T776] FS: 00007f50d3d16800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 253.540502][ T776] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 253.540919][ T776] CR2: 00000000004e5ab0 CR3: 000000000a367001 CR4: 0000000000772ef0 [ 253.541402][ T776] PKRU: 55555554 [ 253.541655][ T776] Call Trace: [ 253.541897][ T776] [ 253.542062][ T776] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 253.542389][ T776] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 253.542876][ T776] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 253.543203][ T776] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 253.543751][ T776] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 253.544079][ T776] netif_set_mtu (net/core/dev.c:9652) [ 253.544399][ T776] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 253.544787][ T776] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 253.545243][ T776] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 253.545486][ T776] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 253.545956][ T776] br_add_if (net/bridge/br_if.c:697) bridge [ 253.546311][ T776] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) [ 253.546646][ T776] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 253.546957][ T776] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 253.547349][ T776] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 253.547686][ T776] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 253.547994][ T776] ? __kernel_text_address (kernel/extable.c:79) [ 253.548309][ T776] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 253.548623][ T776] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) [ 253.548932][ T776] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 253.549313][ T776] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 253.549630][ T776] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 253.549942][ T776] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 253.550248][ T776] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 253.550557][ T776] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 253.550884][ T776] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 253.551198][ T776] ? __create_object (mm/kmemleak.c:771) [ 253.551510][ T776] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 253.551825][ T776] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 253.552132][ T776] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 253.552523][ T776] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 253.552843][ T776] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 253.553153][ T776] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 253.553458][ T776] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 253.553777][ T776] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 253.554088][ T776] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 253.554390][ T776] ? __lock_release (kernel/locking/lockdep.c:5539) [ 253.554729][ T776] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 253.555040][ T776] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 253.555347][ T776] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 253.555670][ T776] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 253.555982][ T776] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 253.556288][ T776] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 253.556603][ T776] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 253.556922][ T776] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 253.557236][ T776] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 253.557549][ T776] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 253.557867][ T776] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 253.558171][ T776] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 253.558481][ T776] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 253.558809][ T776] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 253.559118][ T776] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 253.559439][ T776] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 253.559762][ T776] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 253.560067][ T776] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 253.560457][ T776] ___sys_sendmsg (net/socket.c:2670) [ 253.560767][ T776] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 253.561074][ T776] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) [ 253.561460][ T776] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 253.561780][ T776] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 253.562089][ T776] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 253.562400][ T776] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 253.562723][ T776] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 253.563028][ T776] ? __lock_release (kernel/locking/lockdep.c:5539) [ 253.563340][ T776] __sys_sendmsg (net/socket.c:2700) [ 253.563655][ T776] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 253.564045][ T776] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 253.564361][ T776] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 253.564675][ T776] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 253.564985][ T776] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 253.565362][ T776] RIP: 0033:0x7f50d3ee31e7 [ 253.565687][ T776] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 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 2e 00 00 00 mov $0x2e,%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: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) 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: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 253.566933][ T776] RSP: 002b:00007ffd3559dc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 253.567428][ T776] RAX: ffffffffffffffda RBX: 00007ffd3559e390 RCX: 00007f50d3ee31e7 [ 253.567928][ T776] RDX: 0000000000000000 RSI: 00007ffd3559dcd0 RDI: 0000000000000005 [ 253.568419][ T776] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 253.568910][ T776] R10: 0000000008034910 R11: 0000000000000246 R12: 0000000000000004 [ 253.569393][ T776] R13: 00000000686e6383 R14: 0000000000499600 R15: 0000000000000000 | [ 253.986830][ T779] ------------[ cut here ]------------ | [ 253.987233][ T779] WARNING: CPU: 1 PID: 779 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 253.987941][ T779] Modules linked in: bridge stp llc cls_matchall ip_gre act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth | [ 253.989550][ T779] Tainted: [W]=WARN [ 253.989826][ T779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 253.990244][ T779] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 253.990620][ T779] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 fa 61 7b 00 call 0x7b621b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 253.991764][ T779] RSP: 0018:ffffc90000637000 EFLAGS: 00010246 [ 253.992166][ T779] RAX: 0000000000000000 RBX: ffff888010011000 RCX: 0000000000000001 [ 253.992654][ T779] RDX: 0000000000000000 RSI: ffffffffb2a9b939 RDI: ffffffffb22555e0 [ 253.993138][ T779] RBP: ffffc900006370e8 R08: ffff888010011218 R09: 0000000000000000 [ 253.993613][ T779] R10: ffffc90000637118 R11: ffffffffb2f79160 R12: 1ffff920000c6e04 [ 253.994095][ T779] R13: 00000000000005b6 R14: ffffc90000637118 R15: ffff888010011218 [ 253.994570][ T779] FS: 00007fae7e1aa800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000 [ 253.995155][ T779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 253.995563][ T779] CR2: 0000000000436890 CR3: 000000000c6e4003 CR4: 0000000000772ef0 [ 253.996073][ T779] PKRU: 55555554 [ 253.996332][ T779] Call Trace: [ 253.996613][ T779] [ 253.996782][ T779] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) [ 253.997200][ T779] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 253.997556][ T779] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 253.997901][ T779] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) [ 253.998234][ T779] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 253.998570][ T779] netif_set_mtu (net/core/dev.c:9652) [ 253.998946][ T779] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 253.999296][ T779] ? dev_addr_mod (net/core/dev_addr_lists.c:584) [ 253.999634][ T779] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 253.999892][ T779] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) [ 254.000234][ T779] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) [ 254.000564][ T779] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre [ 254.000920][ T779] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre [ 254.001323][ T779] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 254.001666][ T779] ? rtnl_create_link (net/core/rtnetlink.c:3642) [ 254.001992][ T779] rtnl_newlink_create (net/core/rtnetlink.c:3828) [ 254.002326][ T779] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 254.002653][ T779] ? __dev_get_by_name (net/core/dev.c:865) [ 254.002978][ T779] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 254.003300][ T779] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 254.003640][ T779] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 254.003961][ T779] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 254.004292][ T779] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 254.004653][ T779] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 254.004983][ T779] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 254.005325][ T779] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 254.005662][ T779] ? __lock_release (kernel/locking/lockdep.c:5539) [ 254.005988][ T779] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 254.006309][ T779] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 254.006650][ T779] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 254.006990][ T779] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 254.007326][ T779] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 254.007675][ T779] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 254.007999][ T779] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 254.008352][ T779] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 254.008700][ T779] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 254.009026][ T779] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 254.009352][ T779] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 254.009720][ T779] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 254.010054][ T779] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 254.010393][ T779] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 254.010725][ T779] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 254.011070][ T779] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 254.011406][ T779] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 254.011747][ T779] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 254.012183][ T779] ___sys_sendmsg (net/socket.c:2670) [ 254.012507][ T779] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 254.012863][ T779] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 254.013192][ T779] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 254.013516][ T779] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 254.013868][ T779] ? __handle_mm_fault (mm/memory.c:6212) [ 254.014189][ T779] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 254.014518][ T779] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 254.014864][ T779] __sys_sendmsg (net/socket.c:2700) [ 254.015188][ T779] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 254.015507][ T779] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 254.015851][ T779] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 254.016178][ T779] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 254.016511][ T779] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 254.016866][ T779] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 254.017277][ T779] RIP: 0033:0x7fae7e3771e7 [ 254.017637][ T779] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 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 2e 00 00 00 mov $0x2e,%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: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) 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: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 254.018759][ T779] RSP: 002b:00007ffe4735bd78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 254.019351][ T779] RAX: ffffffffffffffda RBX: 00007ffe4735c4a0 RCX: 00007fae7e3771e7 [ 254.019834][ T779] RDX: 0000000000000000 RSI: 00007ffe4735bde0 RDI: 0000000000000005 [ 254.020303][ T779] RBP: 0000000000000008 R08: 00000000000000ac R09: 0000000000000000 [ 254.020819][ T779] R10: 00007fae7e26f6f8 R11: 0000000000000246 R12: 00007ffe4735c4c0 [ 254.021288][ T779] R13: 00000000686e6383 R14: 0000000000499600 R15: 00007ffe4735bec8 | [ 362.584550][ T1216] ------------[ cut here ]------------ | [ 362.584978][ T1216] WARNING: CPU: 2 PID: 1216 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 362.585682][ T1216] Modules linked in: act_mirred bridge stp llc cls_matchall ip_gre act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth | [ 362.587299][ T1216] Tainted: [W]=WARN [ 362.587577][ T1216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 362.588027][ T1216] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 362.588383][ T1216] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 fa 61 7b 00 call 0x7b621b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 362.589606][ T1216] RSP: 0018:ffffc9000147f000 EFLAGS: 00010246 [ 362.590050][ T1216] RAX: 0000000000000000 RBX: ffff88800a359000 RCX: 0000000000000001 [ 362.590564][ T1216] RDX: 0000000000000000 RSI: ffffffffb2a9b939 RDI: ffffffffb22555e0 [ 362.591081][ T1216] RBP: ffffc9000147f0e8 R08: ffff88800a359218 R09: 0000000000000000 [ 362.591588][ T1216] R10: ffffc9000147f118 R11: ffffffffaf6910a8 R12: 1ffff9200028fe04 [ 362.592091][ T1216] R13: 00000000000005b6 R14: ffffc9000147f118 R15: ffff88800a359218 [ 362.592603][ T1216] FS: 00007f6aae752800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 362.593218][ T1216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 362.593658][ T1216] CR2: 0000000000436890 CR3: 0000000011339001 CR4: 0000000000772ef0 [ 362.594158][ T1216] PKRU: 55555554 [ 362.594421][ T1216] Call Trace: [ 362.594689][ T1216] [ 362.594869][ T1216] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) [ 362.595286][ T1216] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 362.595658][ T1216] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 362.596001][ T1216] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) [ 362.596352][ T1216] netif_set_mtu (net/core/dev.c:9652) [ 362.596703][ T1216] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 362.597054][ T1216] ? dev_addr_mod (net/core/dev_addr_lists.c:584) [ 362.597393][ T1216] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 362.597679][ T1216] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) [ 362.598020][ T1216] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) [ 362.598374][ T1216] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre [ 362.598727][ T1216] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre [ 362.599154][ T1216] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 362.599498][ T1216] ? rtnl_create_link (net/core/rtnetlink.c:3642) [ 362.599850][ T1216] rtnl_newlink_create (net/core/rtnetlink.c:3828) [ 362.600197][ T1216] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 362.600540][ T1216] ? __dev_get_by_name (net/core/dev.c:865) [ 362.600896][ T1216] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 362.601243][ T1216] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 362.601601][ T1216] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 362.601955][ T1216] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 362.602301][ T1216] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 362.602664][ T1216] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 362.603009][ T1216] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 362.603376][ T1216] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 362.603724][ T1216] ? __lock_release (kernel/locking/lockdep.c:5539) [ 362.604066][ T1216] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 362.604410][ T1216] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 362.604764][ T1216] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 362.605104][ T1216] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 362.605450][ T1216] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 362.605803][ T1216] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 362.606151][ T1216] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 362.606508][ T1216] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 362.606864][ T1216] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 362.607201][ T1216] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 362.607557][ T1216] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 362.607904][ T1216] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 362.608253][ T1216] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 362.608610][ T1216] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 362.608952][ T1216] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 362.609303][ T1216] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 362.609671][ T1216] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 362.610006][ T1216] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 362.610445][ T1216] ___sys_sendmsg (net/socket.c:2670) [ 362.610794][ T1216] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 362.611142][ T1216] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 362.611484][ T1216] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 362.611831][ T1216] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 362.612176][ T1216] ? __handle_mm_fault (mm/memory.c:6212) [ 362.612515][ T1216] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 362.612860][ T1216] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 362.613228][ T1216] __sys_sendmsg (net/socket.c:2700) [ 362.613577][ T1216] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 362.613925][ T1216] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 362.614277][ T1216] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 362.614645][ T1216] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 362.614995][ T1216] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 362.615342][ T1216] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 362.615781][ T1216] RIP: 0033:0x7f6aae91f1e7 [ 362.616136][ T1216] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 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 2e 00 00 00 mov $0x2e,%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: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) 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: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 362.617321][ T1216] RSP: 002b:00007ffdbe2ae218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 362.617857][ T1216] RAX: ffffffffffffffda RBX: 00007ffdbe2ae940 RCX: 00007f6aae91f1e7 [ 362.618682][ T1216] RDX: 0000000000000000 RSI: 00007ffdbe2ae280 RDI: 0000000000000005 [ 362.619187][ T1216] RBP: 0000000000000008 R08: 00000000000000ac R09: 0000000000000000 [ 362.619932][ T1216] R10: 00007f6aae8176f8 R11: 0000000000000246 R12: 00007ffdbe2ae960 Finger prints: netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_newlink:ipgre_newlink netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if