====================================== | xx__-> [ 1827.625995][T17471] ip_gre: GRE over IPv4 tunneling driver | [ 1827.705306][T17470] ------------[ cut here ]------------ | [1827.705965][T17470] WARNING: CPU: 0 PID: 17470 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) | [ 1827.706596][T17470] Modules linked in: ip_gre act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth [ 1827.708171][T17470] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [1827.708581][T17470] 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) [ 1827.708958][T17470] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 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 1a 63 7b 00 call 0x7b633b 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 [ 1827.710114][T17470] RSP: 0018:ffffc900085af000 EFLAGS: 00010246 [ 1827.710514][T17470] RAX: 0000000000000000 RBX: ffff88800e801000 RCX: 0000000000000001 [ 1827.710976][T17470] RDX: 0000000000000000 RSI: ffffffffbbc9b941 RDI: ffffffffbb4555e0 [ 1827.711437][T17470] RBP: ffffc900085af0e8 R08: ffff88800e801218 R09: 0000000000000000 [ 1827.711910][T17470] R10: ffffc900085af118 R11: ffffffffbc179160 R12: 1ffff920010b5e04 [ 1827.712408][T17470] R13: 000000000000ffe7 R14: ffffc900085af118 R15: ffff88800e801218 [ 1827.712877][T17470] FS: 00007f3d41790800(0000) GS:ffff8880784b7000(0000) knlGS:0000000000000000 [ 1827.713432][T17470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1827.713855][T17470] CR2: 000055a969c04c18 CR3: 0000000010d2e001 CR4: 0000000000772ef0 [ 1827.714330][T17470] PKRU: 55555554 [ 1827.714589][T17470] Call Trace: [ 1827.714823][T17470] [1827.714986][T17470] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) [1827.715395][T17470] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [1827.715713][T17470] ? find_held_lock (kernel/locking/lockdep.c:5353) [1827.716038][T17470] netif_set_mtu (net/core/dev.c:9652) [1827.716348][T17470] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [1827.716682][T17470] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [1827.716913][T17470] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) [1827.717223][T17470] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) [1827.717542][T17470] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre [1827.717852][T17470] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre [1827.718236][T17470] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [1827.718558][T17470] ? rtnl_create_link (net/core/rtnetlink.c:3642) [1827.718875][T17470] rtnl_newlink_create (net/core/rtnetlink.c:3825) [1827.719186][T17470] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [1827.719489][T17470] ? __dev_get_by_name (net/core/dev.c:865) [1827.719804][T17470] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [1827.720111][T17470] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [1827.720418][T17470] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [1827.720731][T17470] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [1827.721050][T17470] __rtnl_newlink (net/core/rtnetlink.c:3942) [1827.721366][T17470] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [1827.721686][T17470] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [1827.722005][T17470] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [1827.722306][T17470] ? __lock_release (kernel/locking/lockdep.c:5539) [1827.722631][T17470] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [1827.722936][T17470] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [1827.723248][T17470] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [1827.723566][T17470] ? __lock_acquire (kernel/locking/lockdep.c:5240) [1827.723903][T17470] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [1827.724209][T17470] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [1827.724523][T17470] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [1827.724846][T17470] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [1827.725152][T17470] ? 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) [1827.725466][T17470] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [1827.725789][T17470] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [1827.726097][T17470] ? __lock_acquire (kernel/locking/lockdep.c:5240) [1827.726410][T17470] netlink_sendmsg (net/netlink/af_netlink.c:1896) [1827.726727][T17470] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [1827.727034][T17470] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [1827.727351][T17470] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [1827.727677][T17470] ? __pfx_____sys_sendmsg (net/socket.c:2560) [1827.727982][T17470] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [1827.728378][T17470] ___sys_sendmsg (net/socket.c:2670) [1827.728687][T17470] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [1827.729000][T17470] ? __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) [1827.729383][T17470] ? __pfx____sys_sendmsg (net/socket.c:2657) [1827.729701][T17470] ? find_held_lock (kernel/locking/lockdep.c:5353) [1827.730018][T17470] ? __lock_acquire (kernel/locking/lockdep.c:5240) [1827.730330][T17470] ? find_held_lock (kernel/locking/lockdep.c:5353) [1827.730643][T17470] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [1827.730947][T17470] ? __lock_release (kernel/locking/lockdep.c:5539) [1827.731258][T17470] __sys_sendmsg (net/socket.c:2700) [1827.731576][T17470] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [1827.731958][T17470] ? __pfx___sys_sendmsg (net/socket.c:2685) [1827.732283][T17470] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [1827.732604][T17470] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [1827.732916][T17470] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1827.733293][T17470] RIP: 0033:0x7f3d4195d1e7 [ 1827.733631][T17470] Code: Unable to access opcode bytes at 0x7f3d4195d1bd. Code starting with the faulting instruction =========================================== [ 1827.734041][T17470] RSP: 002b:00007ffcf8b01d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1827.734526][T17470] RAX: ffffffffffffffda RBX: 00007ffcf8b024a0 RCX: 00007f3d4195d1e7 [ 1827.734991][T17470] RDX: 0000000000000000 RSI: 00007ffcf8b01de0 RDI: 0000000000000005 [ 1827.735453][T17470] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078 [ 1827.735922][T17470] R10: 00007f3d4185aee8 R11: 0000000000000246 R12: 00007ffcf8b024c0 [ 1827.736388][T17470] R13: 00000000686e3940 R14: 0000000000499600 R15: 00007ffcf8b01ec4 | [ 1835.036553][T17544] ------------[ cut here ]------------ | [1835.036970][T17544] WARNING: CPU: 3 PID: 17544 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) | [ 1835.038281][T17544] Modules linked in: ip_gre act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth | [ 1835.040615][T17544] Tainted: [W]=WARN [ 1835.040924][T17544] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [1835.041803][T17544] 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) [ 1835.042210][T17544] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 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 1a 63 7b 00 call 0x7b633b 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 [ 1835.044145][T17544] RSP: 0018:ffffc9000873f000 EFLAGS: 00010246 [ 1835.044832][T17544] RAX: 0000000000000000 RBX: ffff888013009000 RCX: 0000000000000001 [ 1835.045455][T17544] RDX: 0000000000000000 RSI: ffffffffbbc9b941 RDI: ffffffffbb4555e0 [ 1835.046472][T17544] RBP: ffffc9000873f0e8 R08: ffff888013009218 R09: 0000000000000000 [ 1835.047367][T17544] R10: ffffc9000873f118 R11: ffffffffbc179160 R12: 1ffff920010e7e04 [ 1835.048183][T17544] R13: 000000000000ffe7 R14: ffffc9000873f118 R15: ffff888013009218 [ 1835.048841][T17544] FS: 00007f176b90b800(0000) GS:ffff888078637000(0000) knlGS:0000000000000000 [ 1835.049800][T17544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1835.050483][T17544] CR2: 00007faf780d7a00 CR3: 0000000011074002 CR4: 0000000000772ef0 [ 1835.051327][T17544] PKRU: 55555554 [ 1835.051745][T17544] Call Trace: [ 1835.052145][T17544] [1835.052418][T17544] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) [1835.053116][T17544] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [1835.053677][T17544] ? find_held_lock (kernel/locking/lockdep.c:5353) [1835.054257][T17544] netif_set_mtu (net/core/dev.c:9652) [1835.054816][T17544] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [1835.055392][T17544] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [1835.055816][T17544] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) [1835.056360][T17544] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) [1835.056931][T17544] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre [1835.057482][T17544] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre [1835.058179][T17544] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [1835.058744][T17544] ? rtnl_create_link (net/core/rtnetlink.c:3642) [1835.059287][T17544] rtnl_newlink_create (net/core/rtnetlink.c:3825) [1835.059844][T17544] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [1835.060378][T17544] ? __dev_get_by_name (net/core/dev.c:865) [1835.060930][T17544] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [1835.061470][T17544] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [1835.062036][T17544] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [1835.062592][T17544] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [1835.063140][T17544] __rtnl_newlink (net/core/rtnetlink.c:3942) [1835.063711][T17544] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [1835.064269][T17544] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [1835.064846][T17544] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [1835.065376][T17544] ? __lock_release (kernel/locking/lockdep.c:5539) [1835.065935][T17544] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [1835.066485][T17544] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [1835.067042][T17544] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [1835.067603][T17544] ? __lock_acquire (kernel/locking/lockdep.c:5240) [1835.068151][T17544] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [1835.068702][T17544] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [1835.069243][T17544] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [1835.069818][T17544] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [1835.070360][T17544] ? 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) [1835.070914][T17544] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [1835.071454][T17544] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [1835.072001][T17544] ? __lock_acquire (kernel/locking/lockdep.c:5240) [1835.072564][T17544] netlink_sendmsg (net/netlink/af_netlink.c:1896) [1835.073110][T17544] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [1835.073663][T17544] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [1835.074225][T17544] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [1835.074791][T17544] ? __pfx_____sys_sendmsg (net/socket.c:2560) [1835.075325][T17544] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [1835.076031][T17544] ___sys_sendmsg (net/socket.c:2670) [1835.076584][T17544] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [1835.077118][T17544] ? __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) [1835.077801][T17544] ? __pfx____sys_sendmsg (net/socket.c:2657) [1835.078353][T17544] ? find_held_lock (kernel/locking/lockdep.c:5353) [1835.078918][T17544] ? __lock_acquire (kernel/locking/lockdep.c:5240) [1835.079468][T17544] ? find_held_lock (kernel/locking/lockdep.c:5353) [1835.080020][T17544] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [1835.080566][T17544] ? __lock_release (kernel/locking/lockdep.c:5539) [1835.081118][T17544] __sys_sendmsg (net/socket.c:2700) [1835.081669][T17544] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [1835.082329][T17544] ? __pfx___sys_sendmsg (net/socket.c:2685) [1835.082919][T17544] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [1835.083460][T17544] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [1835.084024][T17544] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1835.084709][T17544] RIP: 0033:0x7f176bad81e7 [ 1835.085264][T17544] 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) [ 1835.087200][T17544] RSP: 002b:00007ffdf9add048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1835.088027][T17544] RAX: ffffffffffffffda RBX: 00007ffdf9add770 RCX: 00007f176bad81e7 [ 1835.088847][T17544] RDX: 0000000000000000 RSI: 00007ffdf9add0b0 RDI: 0000000000000005 [ 1835.089659][T17544] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078 [ 1835.090466][T17544] R10: 00007f176b9d5ee8 R11: 0000000000000246 R12: 00007ffdf9add790 Finger prints: netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_newlink:ipgre_newlink