====================================== | [ 20.758810][ T325] ip_gre: GRE over IPv4 tunneling driver | [ 20.821047][ T324] ------------[ cut here ]------------ | [ 20.821594][ T324] WARNING: CPU: 2 PID: 324 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) | [ 20.822244][ T324] Modules linked in: ip_gre gre vrf veth [ 20.823213][ T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.823626][ T324] 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) [ 20.823964][ T324] 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 [ 20.825091][ T324] RSP: 0018:ffffc90000667000 EFLAGS: 00010246 [ 20.825504][ T324] RAX: 0000000000000000 RBX: ffff888012219000 RCX: 0000000000000001 [ 20.825983][ T324] RDX: 0000000000000000 RSI: ffffffffa6a9b939 RDI: ffffffffa62555e0 [ 20.826471][ T324] RBP: ffffc900006670e8 R08: ffff888012219218 R09: 0000000000000000 [ 20.826966][ T324] R10: ffffc90000667118 R11: ffffffffa6f79160 R12: 1ffff920000cce04 [ 20.827452][ T324] R13: 000000000000ffe7 R14: ffffc90000667118 R15: ffff888012219218 [ 20.827934][ T324] FS: 00007fdc39102800(0000) GS:ffff88808d7b7000(0000) knlGS:0000000000000000 [ 20.828691][ T324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.829101][ T324] CR2: 00000000004e73b0 CR3: 0000000014d96006 CR4: 0000000000772ef0 [ 20.829592][ T324] PKRU: 55555554 [ 20.829896][ T324] Call Trace: [ 20.830143][ T324] [ 20.830318][ T324] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) [ 20.830735][ T324] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 20.831065][ T324] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.831400][ T324] netif_set_mtu (net/core/dev.c:9652) [ 20.831739][ T324] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 20.832079][ T324] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 20.832330][ T324] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) [ 20.832669][ T324] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) [ 20.833001][ T324] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre [ 20.833330][ T324] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre [ 20.833736][ T324] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 20.834070][ T324] ? rtnl_create_link (net/core/rtnetlink.c:3642) [ 20.834394][ T324] rtnl_newlink_create (net/core/rtnetlink.c:3828) [ 20.834727][ T324] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 20.835044][ T324] ? __dev_get_by_name (net/core/dev.c:865) [ 20.835367][ T324] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 20.835700][ T324] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 20.836029][ T324] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 20.836353][ T324] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 20.836707][ T324] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 20.837038][ T324] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 20.837366][ T324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 20.837710][ T324] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 20.840767][ T324] ? __lock_release (kernel/locking/lockdep.c:5539) [ 20.844647][ T324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 20.844971][ T324] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 20.845291][ T324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 20.845626][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.845950][ T324] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 20.846272][ T324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 20.846626][ T324] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 20.846962][ T324] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 20.847280][ T324] ? 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) [ 20.847620][ T324] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 20.847944][ T324] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 20.848265][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.848598][ T324] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 20.848923][ T324] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 20.849245][ T324] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 20.849582][ T324] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 20.855450][ T324] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 20.855776][ T324] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 20.856412][ T324] ___sys_sendmsg (net/socket.c:2670) [ 20.856745][ T324] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 20.857517][ T324] ? __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) [ 20.859253][ T324] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 20.859586][ T324] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.859909][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.860231][ T324] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.860554][ T324] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 20.860870][ T324] ? __lock_release (kernel/locking/lockdep.c:5539) [ 20.861191][ T324] __sys_sendmsg (net/socket.c:2700) [ 20.861516][ T324] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 20.861906][ T324] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 20.862238][ T324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 20.862569][ T324] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 20.862893][ T324] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 20.863283][ T324] RIP: 0033:0x7fdc392cf1e7 [ 20.863860][ T324] Code: Unable to access opcode bytes at 0x7fdc392cf1bd. Code starting with the faulting instruction =========================================== [ 20.864270][ T324] RSP: 002b:00007ffe96627fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 20.864987][ T324] RAX: ffffffffffffffda RBX: 00007ffe966286e0 RCX: 00007fdc392cf1e7 [ 20.865951][ T324] RDX: 0000000000000000 RSI: 00007ffe96628020 RDI: 0000000000000005 [ 20.866438][ T324] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078 [ 20.866936][ T324] R10: 00007fdc391ccee8 R11: 0000000000000246 R12: 00007ffe96628700 [ 20.868141][ T324] R13: 00000000686e6e56 R14: 0000000000499600 R15: 00007ffe96628104 | [ 28.554452][ T399] ------------[ cut here ]------------ | [ 28.554800][ T399] WARNING: CPU: 1 PID: 399 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) | [ 28.555418][ T399] Modules linked in: act_gact cls_flower sch_ingress 8021q ip_gre gre vrf veth | [ 28.556646][ T399] Tainted: [W]=WARN [ 28.556889][ T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.557272][ T399] 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) [ 28.557598][ T399] 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 [ 28.558695][ T399] RSP: 0018:ffffc900005f7000 EFLAGS: 00010246 [ 28.559084][ T399] RAX: 0000000000000000 RBX: ffff8880156d9000 RCX: 0000000000000001 [ 28.559559][ T399] RDX: 0000000000000000 RSI: ffffffffa6a9b939 RDI: ffffffffa62555e0 [ 28.560022][ T399] RBP: ffffc900005f70e8 R08: ffff8880156d9218 R09: 0000000000000000 [ 28.560505][ T399] R10: ffffc900005f7118 R11: ffffffffa6f79160 R12: 1ffff920000bee04 [ 28.560972][ T399] R13: 000000000000ffe7 R14: ffffc900005f7118 R15: ffff8880156d9218 [ 28.561447][ T399] FS: 00007f63e343f800(0000) GS:ffff88808d737000(0000) knlGS:0000000000000000 [ 28.561983][ T399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.562367][ T399] CR2: 00000000004e7408 CR3: 00000000137ed005 CR4: 0000000000772ef0 [ 28.562842][ T399] PKRU: 55555554 [ 28.563106][ T399] Call Trace: [ 28.563357][ T399] [ 28.563524][ T399] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) [ 28.563909][ T399] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 28.564217][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 28.564556][ T399] netif_set_mtu (net/core/dev.c:9652) [ 28.564867][ T399] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 28.565191][ T399] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 28.565436][ T399] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) [ 28.565748][ T399] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) [ 28.566060][ T399] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre [ 28.566371][ T399] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre [ 28.566794][ T399] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 28.567114][ T399] ? rtnl_create_link (net/core/rtnetlink.c:3642) [ 28.567435][ T399] rtnl_newlink_create (net/core/rtnetlink.c:3828) [ 28.567744][ T399] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 28.568044][ T399] ? __dev_get_by_name (net/core/dev.c:865) [ 28.568351][ T399] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 28.568682][ T399] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 28.568998][ T399] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 28.569299][ T399] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 28.569644][ T399] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 28.569961][ T399] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 28.570274][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 28.570602][ T399] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 28.570908][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) [ 28.571216][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 28.571530][ T399] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 28.571844][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 28.572155][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 28.572486][ T399] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 28.572795][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 28.573101][ T399] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 28.573429][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 28.573734][ T399] ? 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) [ 28.574047][ T399] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 28.574359][ T399] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 28.574677][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 28.574990][ T399] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 28.575298][ T399] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 28.575615][ T399] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 28.575934][ T399] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 28.576244][ T399] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 28.576599][ T399] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 28.576997][ T399] ___sys_sendmsg (net/socket.c:2670) [ 28.577300][ T399] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 28.577615][ T399] ? __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) [ 28.578003][ T399] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 28.578314][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 28.578651][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 28.578967][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 28.579275][ T399] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 28.579592][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) [ 28.579912][ T399] __sys_sendmsg (net/socket.c:2700) [ 28.580214][ T399] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 28.580612][ T399] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 28.580936][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 28.581255][ T399] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 28.581573][ T399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 28.581956][ T399] RIP: 0033:0x7f63e360c1e7 [ 28.582275][ T399] 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) [ 28.583390][ T399] RSP: 002b:00007ffda286f0d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 28.583864][ T399] RAX: ffffffffffffffda RBX: 00007ffda286f800 RCX: 00007f63e360c1e7 [ 28.584327][ T399] RDX: 0000000000000000 RSI: 00007ffda286f140 RDI: 0000000000000005 [ 28.584807][ T399] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078 [ 28.585301][ T399] R10: 00007f63e3509ee8 R11: 0000000000000246 R12: 00007ffda286f820 Finger prints: netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_newlink:ipgre_newlink