====================================== | [ 20.242080][ T318] ip_gre: GRE over IPv4 tunneling driver | [ 20.306054][ T317] ------------[ cut here ]------------ | [ 20.306657][ T317] WARNING: CPU: 0 PID: 317 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) | [ 20.307281][ T317] Modules linked in: ip_gre gre 8021q vrf veth [ 20.308544][ T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.308958][ T317] 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) [ 20.309380][ T317] 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 [ 20.310511][ T317] RSP: 0018:ffffc90000657000 EFLAGS: 00010246 [ 20.310926][ T317] RAX: 0000000000000000 RBX: ffff888008b59000 RCX: 0000000000000001 [ 20.311467][ T317] RDX: 0000000000000000 RSI: ffffffffaea9b939 RDI: ffffffffae2555e0 [ 20.312238][ T317] RBP: ffffc900006570e8 R08: ffff888008b59218 R09: 0000000000000000 [ 20.312808][ T317] R10: ffffc90000657118 R11: ffffffffaef79160 R12: 1ffff920000cae04 [ 20.313283][ T317] R13: 00000000000005c4 R14: ffffc90000657118 R15: ffff888008b59218 [ 20.313763][ T317] FS: 00007f8edda4d800(0000) GS:ffff88807e8b7000(0000) knlGS:0000000000000000 [ 20.314305][ T317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.314702][ T317] CR2: 00007fcec1473460 CR3: 000000000bfc0004 CR4: 0000000000772ef0 [ 20.315187][ T317] PKRU: 55555554 [ 20.315427][ T317] Call Trace: [ 20.315668][ T317] [ 20.315828][ T317] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) [ 20.316222][ T317] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) [ 20.316533][ T317] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 20.316848][ T317] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q [ 20.317233][ T317] ? __pfx_packet_notifier (net/packet/af_packet.c:4236) [ 20.317553][ T317] netif_set_mtu (net/core/dev.c:9652) [ 20.317869][ T317] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 20.318193][ T317] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 20.318425][ T317] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) [ 20.318743][ T317] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) [ 20.319055][ T317] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre [ 20.319365][ T317] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre [ 20.319759][ T317] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 20.320074][ T317] ? rtnl_create_link (net/core/rtnetlink.c:3642) [ 20.320384][ T317] rtnl_newlink_create (net/core/rtnetlink.c:3828) [ 20.320700][ T317] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 20.321001][ T317] ? __dev_get_by_name (net/core/dev.c:865) [ 20.321322][ T317] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 20.321636][ T317] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 20.329312][ T317] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 20.329684][ T317] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 20.330024][ T317] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 20.330341][ T317] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 20.339372][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 20.339710][ T317] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 20.340017][ T317] ? __lock_release (kernel/locking/lockdep.c:5539) [ 20.340328][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 20.340662][ T317] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 20.341090][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 20.341408][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.341727][ T317] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 20.342033][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 20.342566][ T317] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 20.342893][ T317] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 20.343202][ T317] ? 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) [ 20.343513][ T317] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 20.343830][ T317] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 20.344134][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.344443][ T317] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 20.344760][ T317] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 20.345069][ T317] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 20.345386][ T317] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 20.345708][ T317] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 20.346011][ T317] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 20.346403][ T317] ___sys_sendmsg (net/socket.c:2670) [ 20.346718][ T317] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 20.347028][ T317] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 20.347341][ T317] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 20.347684][ T317] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 20.347995][ T317] ? __handle_mm_fault (mm/memory.c:6212) [ 20.348304][ T317] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 20.348614][ T317] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 20.348940][ T317] __sys_sendmsg (net/socket.c:2700) [ 20.349248][ T317] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 20.349551][ T317] ? 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) [ 20.349874][ T317] ? 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) [ 20.350185][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 20.350497][ T317] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 20.350808][ T317] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 20.351676][ T317] RIP: 0033:0x7f8eddc1a1e7 [ 20.352025][ T317] Code: Unable to access opcode bytes at 0x7f8eddc1a1bd. Code starting with the faulting instruction =========================================== [ 20.352419][ T317] RSP: 002b:00007fff5ce06be8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 20.352912][ T317] RAX: ffffffffffffffda RBX: 00007fff5ce07310 RCX: 00007f8eddc1a1e7 [ 20.353386][ T317] RDX: 0000000000000000 RSI: 00007fff5ce06c50 RDI: 0000000000000005 [ 20.353854][ T317] RBP: 0000000000000006 R08: 00000000000000a8 R09: 0000000000000000 [ 20.354330][ T317] R10: 00007f8eddb126f8 R11: 0000000000000246 R12: 00007fff5ce07330 [ 20.354817][ T317] R13: 00000000686e75f2 R14: 0000000000499600 R15: 00007fff5ce06d34 | [ 22.727541][ T344] ------------[ cut here ]------------ | [ 22.728023][ T344] WARNING: CPU: 2 PID: 344 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) | [ 22.728665][ T344] Modules linked in: ip_gre gre 8021q vrf veth | [ 22.729728][ T344] Tainted: [W]=WARN [ 22.729979][ T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.730417][ T344] 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) [ 22.730766][ T344] 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 [ 22.731980][ T344] RSP: 0018:ffffc90000617000 EFLAGS: 00010246 [ 22.732393][ T344] RAX: 0000000000000000 RBX: ffff88800a184000 RCX: 0000000000000001 [ 22.732877][ T344] RDX: 0000000000000000 RSI: ffffffffaea9b939 RDI: ffffffffae2555e0 [ 22.733358][ T344] RBP: ffffc900006170e8 R08: ffff88800a184218 R09: 0000000000000000 [ 22.733846][ T344] R10: ffffc90000617118 R11: ffffffffaef79160 R12: 1ffff920000c2e04 [ 22.734334][ T344] R13: 000000000000ffe7 R14: ffffc90000617118 R15: ffff88800a184218 [ 22.734881][ T344] FS: 00007f474de8c800(0000) GS:ffff88807e9b7000(0000) knlGS:0000000000000000 [ 22.735492][ T344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.735906][ T344] CR2: 00007fcec122ca00 CR3: 000000000c33a003 CR4: 0000000000772ef0 [ 22.736380][ T344] PKRU: 55555554 [ 22.736629][ T344] Call Trace: [ 22.736875][ T344] [ 22.737043][ T344] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) [ 22.737444][ T344] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 22.737774][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.738112][ T344] netif_set_mtu (net/core/dev.c:9652) [ 22.738434][ T344] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 22.738779][ T344] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 22.739023][ T344] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) [ 22.739409][ T344] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) [ 22.739756][ T344] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre [ 22.740079][ T344] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre [ 22.740475][ T344] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 22.740825][ T344] ? rtnl_create_link (net/core/rtnetlink.c:3642) [ 22.741167][ T344] rtnl_newlink_create (net/core/rtnetlink.c:3828) [ 22.741488][ T344] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 22.741824][ T344] ? __dev_get_by_name (net/core/dev.c:865) [ 22.742172][ T344] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 22.742494][ T344] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 22.742827][ T344] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 22.743150][ T344] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 22.743515][ T344] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 22.743862][ T344] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 22.744191][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 22.744543][ T344] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 22.744875][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) [ 22.745197][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 22.745514][ T344] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 22.745844][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 22.746186][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.746511][ T344] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 22.746850][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 22.747201][ T344] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 22.747602][ T344] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 22.747921][ T344] ? 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) [ 22.748240][ T344] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 22.748579][ T344] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 22.748927][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.749259][ T344] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 22.749768][ T344] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 22.750326][ T344] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 22.750838][ T344] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 22.751398][ T344] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 22.751959][ T344] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 22.752620][ T344] ___sys_sendmsg (net/socket.c:2670) [ 22.752962][ T344] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 22.753457][ T344] ? __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) [ 22.753891][ T344] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 22.754217][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.754581][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.754923][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.755239][ T344] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 22.755581][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) [ 22.755919][ T344] __sys_sendmsg (net/socket.c:2700) [ 22.756235][ T344] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 22.756657][ T344] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 22.756990][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.757320][ T344] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.757657][ T344] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 22.758055][ T344] RIP: 0033:0x7f474e0591e7 [ 22.758396][ T344] 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) [ 22.759556][ T344] RSP: 002b:00007fff553340f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 22.760062][ T344] RAX: ffffffffffffffda RBX: 00007fff55334820 RCX: 00007f474e0591e7 [ 22.760728][ T344] RDX: 0000000000000000 RSI: 00007fff55334160 RDI: 0000000000000005 [ 22.761214][ T344] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078 [ 22.761707][ T344] R10: 00007f474df56ee8 R11: 0000000000000246 R12: 00007fff55334840 [ 22.762181][ T344] R13: 00000000686e75f5 R14: 0000000000499600 R15: 00007fff55334244 | [ 36.648856][ T391] ------------[ cut here ]------------ | [ 36.649346][ T391] WARNING: CPU: 2 PID: 391 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) | [ 36.650019][ T391] Modules linked in: ip_gre gre 8021q vrf veth | [ 36.651207][ T391] Tainted: [W]=WARN [ 36.651433][ T391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.651807][ T391] 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) [ 36.652107][ T391] 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 [ 36.653133][ T391] RSP: 0018:ffffc900008f7140 EFLAGS: 00010246 [ 36.654876][ T391] RAX: 0000000000000000 RBX: ffff888008ad9000 RCX: 0000000000000001 [ 36.655329][ T391] RDX: 0000000000000000 RSI: ffffffffaea9b939 RDI: ffffffffae2555e0 [ 36.655772][ T391] RBP: ffffc900008f7230 R08: ffff88800cff5000 R09: 0000000000000000 [ 36.656201][ T391] R10: ffffc900008f75c8 R11: ffffffffaf850668 R12: 1ffff9200011ee2c [ 36.656640][ T391] R13: 00000000000007d0 R14: ffffc900008f7880 R15: ffff88800cf4fbe0 [ 36.657070][ T391] FS: 00007f72aaa69800(0000) GS:ffff88807e9b7000(0000) knlGS:0000000000000000 [ 36.657564][ T391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.657954][ T391] CR2: 00000000004e5aa0 CR3: 000000000bbc9005 CR4: 0000000000772ef0 [ 36.658385][ T391] PKRU: 55555554 [ 36.658618][ T391] Call Trace: [ 36.658843][ T391] [ 36.658999][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.659296][ T391] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 36.659600][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.659893][ T391] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 36.660186][ T391] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 36.660477][ T391] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.660788][ T391] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 36.661099][ T391] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 36.661468][ T391] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.661774][ T391] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 36.662065][ T391] ? __kernel_text_address (kernel/extable.c:79) [ 36.662360][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.662668][ T391] ? __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) [ 36.662955][ T391] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 36.663310][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.663609][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.663903][ T391] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 36.664233][ T391] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 36.664521][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.664825][ T391] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 36.665108][ T391] ? __create_object (mm/kmemleak.c:771) [ 36.665401][ T391] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 36.665700][ T391] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 36.665989][ T391] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 36.666348][ T391] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 36.666666][ T391] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 36.666958][ T391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 36.667245][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.667536][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.667836][ T391] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 36.668119][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.668406][ T391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 36.668704][ T391] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 36.668998][ T391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 36.669286][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.669580][ T391] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 36.669881][ T391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 36.670170][ T391] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 36.670467][ T391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 36.670766][ T391] ? 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) [ 36.671071][ T391] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 36.671372][ T391] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 36.671670][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.671960][ T391] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 36.672250][ T391] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 36.672535][ T391] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 36.672842][ T391] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 36.673135][ T391] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 36.673420][ T391] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 36.673796][ T391] ___sys_sendmsg (net/socket.c:2670) [ 36.674080][ T391] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 36.674364][ T391] ? __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) [ 36.674732][ T391] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 36.675020][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.675312][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.675610][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.675899][ T391] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 36.676181][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.676478][ T391] __sys_sendmsg (net/socket.c:2700) [ 36.676775][ T391] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 36.677130][ T391] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 36.677434][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.677737][ T391] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 36.678026][ T391] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.678381][ T391] RIP: 0033:0x7f72aac361e7 [ 36.678690][ T391] 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) [ 36.679693][ T391] RSP: 002b:00007fff18d569b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.680119][ T391] RAX: ffffffffffffffda RBX: 00007fff18d570e0 RCX: 00007f72aac361e7 [ 36.680542][ T391] RDX: 0000000000000000 RSI: 00007fff18d56a20 RDI: 0000000000000005 [ 36.680978][ T391] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 36.681422][ T391] R10: 00007f72aab33ee8 R11: 0000000000000246 R12: 0000000000000004 [ 36.681858][ T391] R13: 00000000686e7603 R14: 0000000000499600 R15: 0000000000000000 | [ 36.774265][ T392] ------------[ cut here ]------------ | [ 36.774576][ T392] WARNING: CPU: 3 PID: 392 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) | [ 36.775136][ T392] Modules linked in: ip_gre gre 8021q vrf veth | [ 36.776089][ T392] Tainted: [W]=WARN [ 36.776296][ T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.776649][ T392] 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) [ 36.776933][ T392] 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 [ 36.777924][ T392] RSP: 0018:ffffc900008f7140 EFLAGS: 00010246 [ 36.778271][ T392] RAX: 0000000000000000 RBX: ffff888008f24000 RCX: 0000000000000001 [ 36.779932][ T392] RDX: 0000000000000000 RSI: ffffffffaea9b939 RDI: ffffffffae2555e0 [ 36.780364][ T392] RBP: ffffc900008f7230 R08: ffff888004e9b800 R09: 0000000000000000 [ 36.780784][ T392] R10: ffffc900008f75c8 R11: ffffffffaf850668 R12: 1ffff9200011ee2c [ 36.781203][ T392] R13: 00000000000007d0 R14: ffffc900008f7880 R15: ffff88800c18c760 [ 36.781619][ T392] FS: 00007f6269e63800(0000) GS:ffff88807ea37000(0000) knlGS:0000000000000000 [ 36.782104][ T392] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.782449][ T392] CR2: 00000000004e5aa8 CR3: 00000000092b7006 CR4: 0000000000772ef0 [ 36.782872][ T392] PKRU: 55555554 [ 36.783077][ T392] Call Trace: [ 36.783283][ T392] [ 36.783423][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.783717][ T392] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 36.783988][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.784269][ T392] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 36.784542][ T392] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 36.784826][ T392] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.785102][ T392] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 36.785382][ T392] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 36.785739][ T392] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.786023][ T392] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 36.786294][ T392] ? __kernel_text_address (kernel/extable.c:79) [ 36.786569][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.786858][ T392] ? __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) [ 36.787132][ T392] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 36.787470][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.787755][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.788031][ T392] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 36.788306][ T392] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 36.788582][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.788869][ T392] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 36.789141][ T392] ? __create_object (mm/kmemleak.c:771) [ 36.789417][ T392] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 36.789706][ T392] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 36.789979][ T392] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 36.790324][ T392] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 36.790618][ T392] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 36.790900][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 36.791182][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.791461][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.791747][ T392] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 36.792018][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.792294][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 36.792571][ T392] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 36.792855][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 36.793132][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.793411][ T392] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 36.793701][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 36.793977][ T392] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 36.794262][ T392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 36.794540][ T392] ? 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) [ 36.794828][ T392] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 36.795106][ T392] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 36.795379][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.795670][ T392] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 36.795949][ T392] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 36.796226][ T392] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 36.796513][ T392] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 36.796802][ T392] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 36.797074][ T392] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 36.797424][ T392] ___sys_sendmsg (net/socket.c:2670) [ 36.797707][ T392] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 36.797981][ T392] ? __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) [ 36.798321][ T392] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 36.798613][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.798891][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.799168][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.799440][ T392] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 36.799722][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.800003][ T392] __sys_sendmsg (net/socket.c:2700) [ 36.800276][ T392] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 36.800627][ T392] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 36.800913][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.801197][ T392] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 36.801471][ T392] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.801818][ T392] RIP: 0033:0x7f626a0301e7 [ 36.802103][ T392] 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) [ 36.803084][ T392] RSP: 002b:00007ffdae58c7a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.803501][ T392] RAX: ffffffffffffffda RBX: 00007ffdae58ced0 RCX: 00007f626a0301e7 [ 36.803919][ T392] RDX: 0000000000000000 RSI: 00007ffdae58c810 RDI: 0000000000000005 [ 36.804325][ T392] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 36.804745][ T392] R10: 00007f6269f2dee8 R11: 0000000000000246 R12: 0000000000000004 [ 36.805152][ T392] R13: 00000000686e7603 R14: 0000000000499600 R15: 0000000000000000 | [ 36.929542][ T393] ------------[ cut here ]------------ | [ 36.929912][ T393] WARNING: CPU: 2 PID: 393 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) | [ 36.930529][ T393] Modules linked in: ip_gre gre 8021q vrf veth | [ 36.931491][ T393] Tainted: [W]=WARN [ 36.931722][ T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.932076][ T393] 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) [ 36.932373][ T393] 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 [ 36.933373][ T393] RSP: 0018:ffffc90000507140 EFLAGS: 00010246 [ 36.933755][ T393] RAX: 0000000000000000 RBX: ffff888008b59000 RCX: 0000000000000001 [ 36.934219][ T393] RDX: 0000000000000000 RSI: ffffffffaea9b939 RDI: ffffffffae2555e0 [ 36.935648][ T393] RBP: ffffc90000507230 R08: ffff888002638800 R09: 0000000000000000 [ 36.936076][ T393] R10: ffffc900005075c8 R11: ffffffffaf850668 R12: 1ffff920000a0e2c [ 36.936497][ T393] R13: 00000000000007d0 R14: ffffc90000507880 R15: ffff888004d4c760 [ 36.936927][ T393] FS: 00007f389467c800(0000) GS:ffff88807e9b7000(0000) knlGS:0000000000000000 [ 36.937420][ T393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.937813][ T393] CR2: 00000000004e73b8 CR3: 000000000bbc9002 CR4: 0000000000772ef0 [ 36.938275][ T393] PKRU: 55555554 [ 36.938495][ T393] Call Trace: [ 36.938737][ T393] [ 36.938892][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.939191][ T393] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 36.939486][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.939789][ T393] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 36.940078][ T393] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 36.940365][ T393] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.940669][ T393] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 36.940964][ T393] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 36.941344][ T393] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.941658][ T393] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 36.941982][ T393] ? __kernel_text_address (kernel/extable.c:79) [ 36.942271][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.942564][ T393] ? __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) [ 36.942862][ T393] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 36.943217][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.943511][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.943813][ T393] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 36.944098][ T393] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 36.944387][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.944684][ T393] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 36.944968][ T393] ? __create_object (mm/kmemleak.c:771) [ 36.945258][ T393] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 36.945549][ T393] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 36.945867][ T393] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 36.946252][ T393] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 36.946546][ T393] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 36.946851][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 36.947136][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.947428][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.947724][ T393] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 36.948010][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.948303][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 36.948600][ T393] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 36.948889][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 36.949184][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.949477][ T393] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 36.949789][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 36.950108][ T393] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 36.950412][ T393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 36.950709][ T393] ? 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) [ 36.951000][ T393] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 36.951307][ T393] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 36.951602][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.951895][ T393] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 36.952186][ T393] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 36.952479][ T393] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 36.952801][ T393] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 36.953095][ T393] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 36.953382][ T393] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 36.953784][ T393] ___sys_sendmsg (net/socket.c:2670) [ 36.954092][ T393] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 36.954393][ T393] ? __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) [ 36.954766][ T393] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 36.955060][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.955352][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.955656][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.955945][ T393] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 36.956232][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.956527][ T393] __sys_sendmsg (net/socket.c:2700) [ 36.956847][ T393] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 36.957206][ T393] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 36.957510][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.957847][ T393] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 36.958140][ T393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.958491][ T393] RIP: 0033:0x7f38948491e7 [ 36.958799][ T393] 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) [ 36.959802][ T393] RSP: 002b:00007fff0af56388 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.960230][ T393] RAX: ffffffffffffffda RBX: 00007fff0af56ab0 RCX: 00007f38948491e7 [ 36.960666][ T393] RDX: 0000000000000000 RSI: 00007fff0af563f0 RDI: 0000000000000005 [ 36.961115][ T393] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 36.961537][ T393] R10: 00007f3894746ee8 R11: 0000000000000246 R12: 0000000000000004 [ 36.961988][ T393] R13: 00000000686e7603 R14: 0000000000499600 R15: 0000000000000000 | [ 37.084000][ T394] ------------[ cut here ]------------ | [ 37.084372][ T394] WARNING: CPU: 0 PID: 394 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) | [ 37.085295][ T394] Modules linked in: ip_gre gre 8021q vrf veth | [ 37.086935][ T394] Tainted: [W]=WARN [ 37.087300][ T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.087915][ T394] 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) [ 37.088403][ T394] 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 [ 37.090132][ T394] RSP: 0018:ffffc900007a7140 EFLAGS: 00010246 [ 37.090748][ T394] RAX: 0000000000000000 RBX: ffff888008129000 RCX: 0000000000000001 [ 37.091463][ T394] RDX: 0000000000000000 RSI: ffffffffaea9b939 RDI: ffffffffae2555e0 [ 37.092211][ T394] RBP: ffffc900007a7230 R08: ffff888009242000 R09: 0000000000000000 [ 37.093157][ T394] R10: ffffc900007a75c8 R11: ffffffffaf850668 R12: 1ffff920000f4e2c [ 37.093978][ T394] R13: 00000000000007d0 R14: ffffc900007a7880 R15: ffff888004d4d1e0 [ 37.094554][ T394] FS: 00007f1354830800(0000) GS:ffff88807e8b7000(0000) knlGS:0000000000000000 [ 37.095648][ T394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.096155][ T394] CR2: 00000000004e5ab0 CR3: 00000000092b7002 CR4: 0000000000772ef0 [ 37.097005][ T394] PKRU: 55555554 [ 37.097277][ T394] Call Trace: [ 37.097609][ T394] [ 37.097852][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.098339][ T394] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 37.098828][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.099311][ T394] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 37.099811][ T394] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 37.100291][ T394] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 37.100804][ T394] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 37.101302][ T394] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 37.101925][ T394] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.102399][ T394] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 37.102891][ T394] ? __kernel_text_address (kernel/extable.c:79) [ 37.103384][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.103881][ T394] ? __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) [ 37.104359][ T394] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 37.104981][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.105465][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.105951][ T394] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 37.106428][ T394] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 37.106926][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.107404][ T394] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 37.107915][ T394] ? __create_object (mm/kmemleak.c:771) [ 37.108401][ T394] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 37.108912][ T394] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 37.109385][ T394] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 37.109986][ T394] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 37.110489][ T394] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 37.110991][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.111474][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.111979][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.112459][ T394] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 37.112958][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.113440][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.113927][ T394] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 37.114418][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.114920][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.115410][ T394] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 37.115908][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.116390][ T394] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 37.116917][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 37.117392][ T394] ? 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) [ 37.117892][ T394] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 37.118376][ T394] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 37.118866][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.119355][ T394] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 37.119855][ T394] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 37.120337][ T394] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 37.120856][ T394] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 37.121355][ T394] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 37.121850][ T394] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 37.122471][ T394] ___sys_sendmsg (net/socket.c:2670) [ 37.122959][ T394] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 37.123435][ T394] ? __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) [ 37.124044][ T394] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 37.124528][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.125049][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.125546][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.126037][ T394] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 37.126511][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.127018][ T394] __sys_sendmsg (net/socket.c:2700) [ 37.127492][ T394] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 37.128097][ T394] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 37.128631][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.129123][ T394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 37.129614][ T394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 37.130205][ T394] RIP: 0033:0x7f13549fd1e7 [ 37.130711][ T394] 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) [ 37.132451][ T394] RSP: 002b:00007ffcaf7cd788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 37.133204][ T394] RAX: ffffffffffffffda RBX: 00007ffcaf7cdeb0 RCX: 00007f13549fd1e7 [ 37.133939][ T394] RDX: 0000000000000000 RSI: 00007ffcaf7cd7f0 RDI: 0000000000000005 [ 37.134669][ T394] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 37.135396][ T394] R10: 00007f13548faee8 R11: 0000000000000246 R12: 0000000000000004 [ 37.136124][ T394] R13: 00000000686e7603 R14: 0000000000499600 R15: 0000000000000000 | [ 37.252132][ T395] ------------[ cut here ]------------ | [ 37.252477][ T395] WARNING: CPU: 2 PID: 395 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) | [ 37.253057][ T395] Modules linked in: ip_gre gre 8021q vrf veth | [ 37.254032][ T395] Tainted: [W]=WARN [ 37.254255][ T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.254628][ T395] 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) [ 37.254932][ T395] 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 [ 37.255938][ T395] RSP: 0018:ffffc90000907140 EFLAGS: 00010246 [ 37.256296][ T395] RAX: 0000000000000000 RBX: ffff888005fd1000 RCX: 0000000000000001 [ 37.256731][ T395] RDX: 0000000000000000 RSI: ffffffffaea9b939 RDI: ffffffffae2555e0 [ 37.257163][ T395] RBP: ffffc90000907230 R08: ffff88800ce9a000 R09: 0000000000000000 [ 37.257601][ T395] R10: ffffc900009075c8 R11: ffffffffaf850668 R12: 1ffff92000120e2c [ 37.258025][ T395] R13: 00000000000007d0 R14: ffffc90000907880 R15: ffff888004d4dc60 [ 37.258445][ T395] FS: 00007fcd02ab1800(0000) GS:ffff88807e9b7000(0000) knlGS:0000000000000000 [ 37.258954][ T395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.259310][ T395] CR2: 00000000004e55b8 CR3: 000000000c385004 CR4: 0000000000772ef0 [ 37.259746][ T395] PKRU: 55555554 [ 37.259964][ T395] Call Trace: [ 37.260180][ T395] [ 37.260334][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.260637][ T395] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 37.260929][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.261226][ T395] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 37.261514][ T395] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 37.261814][ T395] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 37.262106][ T395] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 37.262397][ T395] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 37.262776][ T395] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.263061][ T395] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 37.263344][ T395] ? __kernel_text_address (kernel/extable.c:79) [ 37.263642][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.263931][ T395] ? __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) [ 37.264218][ T395] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 37.264568][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.264875][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.265160][ T395] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 37.265446][ T395] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 37.265744][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.266038][ T395] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 37.266320][ T395] ? __create_object (mm/kmemleak.c:771) [ 37.266619][ T395] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 37.266905][ T395] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 37.267197][ T395] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 37.267547][ T395] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 37.267855][ T395] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 37.268146][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.268434][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.268739][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.269027][ T395] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 37.269307][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.269608][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.269896][ T395] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 37.270182][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.270471][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.270771][ T395] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 37.271067][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.271355][ T395] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 37.271670][ T395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 37.271953][ T395] ? 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) [ 37.272241][ T395] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 37.272529][ T395] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 37.272826][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.273116][ T395] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 37.273406][ T395] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 37.273713][ T395] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 37.274010][ T395] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 37.274297][ T395] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 37.274580][ T395] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 37.274955][ T395] ___sys_sendmsg (net/socket.c:2670) [ 37.275239][ T395] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 37.275521][ T395] ? __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) [ 37.275895][ T395] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 37.276186][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.276474][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.276774][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.277063][ T395] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 37.277346][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.277649][ T395] __sys_sendmsg (net/socket.c:2700) [ 37.277932][ T395] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 37.278291][ T395] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 37.278598][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.278886][ T395] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 37.279173][ T395] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 37.279523][ T395] RIP: 0033:0x7fcd02c7e1e7 [ 37.279831][ T395] 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) [ 37.280831][ T395] RSP: 002b:00007fff1465e068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 37.281266][ T395] RAX: ffffffffffffffda RBX: 00007fff1465e790 RCX: 00007fcd02c7e1e7 [ 37.281695][ T395] RDX: 0000000000000000 RSI: 00007fff1465e0d0 RDI: 0000000000000005 [ 37.282122][ T395] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 37.282541][ T395] R10: 00007fcd02b7bee8 R11: 0000000000000246 R12: 0000000000000004 [ 37.282970][ T395] R13: 00000000686e7604 R14: 0000000000499600 R15: 0000000000000000 | [ 37.406703][ T396] ------------[ cut here ]------------ | [ 37.407015][ T396] WARNING: CPU: 3 PID: 396 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) | [ 37.407566][ T396] Modules linked in: ip_gre gre 8021q vrf veth | [ 37.408493][ T396] Tainted: [W]=WARN [ 37.408710][ T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.409049][ T396] 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) [ 37.409330][ T396] 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 [ 37.411383][ T396] RSP: 0018:ffffc90000917140 EFLAGS: 00010246 [ 37.411749][ T396] RAX: 0000000000000000 RBX: ffff888009204000 RCX: 0000000000000001 [ 37.412182][ T396] RDX: 0000000000000000 RSI: ffffffffaea9b939 RDI: ffffffffae2555e0 [ 37.412624][ T396] RBP: ffffc90000917230 R08: ffff888009398800 R09: 0000000000000000 [ 37.413061][ T396] R10: ffffc900009175c8 R11: ffffffffaf850668 R12: 1ffff92000122e2c [ 37.413502][ T396] R13: 00000000000007d0 R14: ffffc90000917880 R15: ffff888004d4e6e0 [ 37.413949][ T396] FS: 00007f9cfa691800(0000) GS:ffff88807ea37000(0000) knlGS:0000000000000000 [ 37.414451][ T396] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.414825][ T396] CR2: 00000000004e5ac8 CR3: 000000000bb1d004 CR4: 0000000000772ef0 [ 37.415273][ T396] PKRU: 55555554 [ 37.415490][ T396] Call Trace: [ 37.415716][ T396] [ 37.415863][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.416160][ T396] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 37.416453][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.416756][ T396] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 37.417047][ T396] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 37.417347][ T396] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 37.417654][ T396] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 37.417953][ T396] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 37.418321][ T396] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.418619][ T396] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 37.418910][ T396] ? __kernel_text_address (kernel/extable.c:79) [ 37.419212][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.419506][ T396] ? __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) [ 37.419807][ T396] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 37.420172][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.420466][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.420763][ T396] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 37.421065][ T396] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 37.421363][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.421671][ T396] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 37.421961][ T396] ? __create_object (mm/kmemleak.c:771) [ 37.422256][ T396] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 37.422550][ T396] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 37.422849][ T396] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 37.423215][ T396] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 37.423514][ T396] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 37.423840][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.424131][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.424429][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.424733][ T396] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 37.425023][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.425315][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.425620][ T396] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 37.425916][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.426219][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.426515][ T396] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 37.426818][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.427111][ T396] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 37.427415][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 37.427714][ T396] ? 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) [ 37.428007][ T396] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 37.428306][ T396] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 37.428627][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.428930][ T396] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 37.429223][ T396] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 37.429517][ T396] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 37.429830][ T396] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 37.430125][ T396] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 37.430419][ T396] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 37.430802][ T396] ___sys_sendmsg (net/socket.c:2670) [ 37.431102][ T396] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 37.431392][ T396] ? __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) [ 37.431763][ T396] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 37.432059][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.432352][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.432663][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.432954][ T396] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 37.433244][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.433542][ T396] __sys_sendmsg (net/socket.c:2700) [ 37.433843][ T396] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 37.434204][ T396] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 37.434505][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.434805][ T396] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 37.435102][ T396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 37.435458][ T396] RIP: 0033:0x7f9cfa85e1e7 [ 37.435768][ T396] 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) [ 37.436806][ T396] RSP: 002b:00007ffd4070c188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 37.437251][ T396] RAX: ffffffffffffffda RBX: 00007ffd4070c8b0 RCX: 00007f9cfa85e1e7 [ 37.437693][ T396] RDX: 0000000000000000 RSI: 00007ffd4070c1f0 RDI: 0000000000000005 [ 37.438136][ T396] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 37.438570][ T396] R10: 00007f9cfa75bee8 R11: 0000000000000246 R12: 0000000000000004 [ 37.439020][ T396] R13: 00000000686e7604 R14: 0000000000499600 R15: 0000000000000000 | [ 37.540193][ T397] ------------[ cut here ]------------ | [ 37.540521][ T397] WARNING: CPU: 3 PID: 397 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) | [ 37.541120][ T397] Modules linked in: ip_gre gre 8021q vrf veth | [ 37.542108][ T397] Tainted: [W]=WARN [ 37.542332][ T397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.543938][ T397] 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) [ 37.544244][ T397] 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 [ 37.545289][ T397] RSP: 0018:ffffc90000937140 EFLAGS: 00010246 [ 37.545667][ T397] RAX: 0000000000000000 RBX: ffff88800226c000 RCX: 0000000000000001 [ 37.546105][ T397] RDX: 0000000000000000 RSI: ffffffffaea9b939 RDI: ffffffffae2555e0 [ 37.546537][ T397] RBP: ffffc90000937230 R08: ffff8880099d3800 R09: 0000000000000000 [ 37.546987][ T397] R10: ffffc900009375c8 R11: ffffffffaf850668 R12: 1ffff92000126e2c [ 37.547423][ T397] R13: 00000000000007d0 R14: ffffc90000937880 R15: ffff888004d4f160 [ 37.547871][ T397] FS: 00007ff8fd7e3800(0000) GS:ffff88807ea37000(0000) knlGS:0000000000000000 [ 37.548377][ T397] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.548750][ T397] CR2: 00000000004e5ac0 CR3: 00000000092b7006 CR4: 0000000000772ef0 [ 37.549193][ T397] PKRU: 55555554 [ 37.549420][ T397] Call Trace: [ 37.549646][ T397] [ 37.549796][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.550093][ T397] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 37.550381][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.550687][ T397] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 37.550980][ T397] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 37.551415][ T397] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 37.551705][ T397] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 37.551984][ T397] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 37.552329][ T397] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.552608][ T397] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 37.552879][ T397] ? __kernel_text_address (kernel/extable.c:79) [ 37.553160][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.553436][ T397] ? __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) [ 37.553717][ T397] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 37.554057][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.554334][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.554645][ T397] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 37.554937][ T397] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 37.555233][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.555526][ T397] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 37.555823][ T397] ? __create_object (mm/kmemleak.c:771) [ 37.556118][ T397] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 37.556409][ T397] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 37.556704][ T397] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 37.557062][ T397] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 37.557355][ T397] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 37.557667][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.557960][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.558254][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.558545][ T397] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 37.558845][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.559136][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.559426][ T397] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 37.559729][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.560030][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.560324][ T397] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 37.560621][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.560913][ T397] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 37.561223][ T397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 37.561514][ T397] ? 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) [ 37.561815][ T397] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 37.562116][ T397] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 37.562406][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.562712][ T397] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 37.563008][ T397] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 37.563301][ T397] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 37.563609][ T397] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 37.563905][ T397] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 37.564201][ T397] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 37.564572][ T397] ___sys_sendmsg (net/socket.c:2670) [ 37.564869][ T397] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 37.565159][ T397] ? __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) [ 37.565521][ T397] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 37.565825][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.566117][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.566418][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.566723][ T397] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 37.567013][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.567310][ T397] __sys_sendmsg (net/socket.c:2700) [ 37.567607][ T397] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 37.567967][ T397] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 37.568271][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.568566][ T397] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 37.568866][ T397] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 37.569224][ T397] RIP: 0033:0x7ff8fd9b01e7 [ 37.569524][ T397] 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) [ 37.570579][ T397] RSP: 002b:00007ffe84af3b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 37.571040][ T397] RAX: ffffffffffffffda RBX: 00007ffe84af42a0 RCX: 00007ff8fd9b01e7 [ 37.571477][ T397] RDX: 0000000000000000 RSI: 00007ffe84af3be0 RDI: 0000000000000005 [ 37.571920][ T397] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 37.572356][ T397] R10: 00007ff8fd8adee8 R11: 0000000000000246 R12: 0000000000000004 [ 37.572809][ T397] R13: 00000000686e7604 R14: 0000000000499600 R15: 0000000000000000 | [ 37.710988][ T398] ------------[ cut here ]------------ | [ 37.711350][ T398] WARNING: CPU: 0 PID: 398 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) | [ 37.711940][ T398] Modules linked in: ip_gre gre 8021q vrf veth | [ 37.713144][ T398] Tainted: [W]=WARN [ 37.713366][ T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.713716][ T398] 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) [ 37.714000][ T398] 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 [ 37.714993][ T398] RSP: 0018:ffffc90000947140 EFLAGS: 00010246 [ 37.715348][ T398] RAX: 0000000000000000 RBX: ffff88800a184000 RCX: 0000000000000001 [ 37.715772][ T398] RDX: 0000000000000000 RSI: ffffffffaea9b939 RDI: ffffffffae2555e0 [ 37.716188][ T398] RBP: ffffc90000947230 R08: ffff8880027f0800 R09: 0000000000000000 [ 37.716610][ T398] R10: ffffc900009475c8 R11: ffffffffaf850668 R12: 1ffff92000128e2c [ 37.717030][ T398] R13: 00000000000007d0 R14: ffffc90000947880 R15: ffff888004d4fbe0 [ 37.717442][ T398] FS: 00007effa6218800(0000) GS:ffff88807e8b7000(0000) knlGS:0000000000000000 [ 37.717937][ T398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.718282][ T398] CR2: 00000000004e73d0 CR3: 000000000500a001 CR4: 0000000000772ef0 [ 37.718761][ T398] PKRU: 55555554 [ 37.718984][ T398] Call Trace: [ 37.719203][ T398] [ 37.719353][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.719660][ T398] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 37.719952][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.720245][ T398] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 37.720541][ T398] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 37.720843][ T398] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 37.721181][ T398] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 37.721463][ T398] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 37.721821][ T398] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.722102][ T398] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 37.722377][ T398] ? __kernel_text_address (kernel/extable.c:79) [ 37.722664][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.722950][ T398] ? __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) [ 37.723224][ T398] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 37.723563][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.723853][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.724128][ T398] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 37.724434][ T398] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 37.724737][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.725030][ T398] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 37.725323][ T398] ? __create_object (mm/kmemleak.c:771) [ 37.725630][ T398] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 37.725925][ T398] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 37.726216][ T398] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 37.726581][ T398] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 37.726891][ T398] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 37.727194][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.727492][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.727798][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.728089][ T398] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 37.728378][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.728680][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.728972][ T398] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 37.729262][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.729562][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.729874][ T398] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 37.730167][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.730460][ T398] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 37.730773][ T398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 37.731074][ T398] ? 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) [ 37.731369][ T398] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 37.731678][ T398] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 37.731979][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.732280][ T398] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 37.732576][ T398] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 37.732881][ T398] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 37.733184][ T398] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 37.733479][ T398] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 37.733780][ T398] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 37.734159][ T398] ___sys_sendmsg (net/socket.c:2670) [ 37.734449][ T398] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 37.734750][ T398] ? __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) [ 37.735114][ T398] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 37.735410][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.735712][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.736011][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.736307][ T398] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 37.736605][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.736908][ T398] __sys_sendmsg (net/socket.c:2700) [ 37.737196][ T398] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 37.737555][ T398] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 37.737867][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.738164][ T398] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 37.738455][ T398] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 37.738834][ T398] RIP: 0033:0x7effa63e51e7 [ 37.739140][ T398] 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) [ 37.740188][ T398] RSP: 002b:00007ffd9941b378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 37.740642][ T398] RAX: ffffffffffffffda RBX: 00007ffd9941baa0 RCX: 00007effa63e51e7 [ 37.741094][ T398] RDX: 0000000000000000 RSI: 00007ffd9941b3e0 RDI: 0000000000000005 [ 37.741529][ T398] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 37.741974][ T398] R10: 00007effa62e2ee8 R11: 0000000000000246 R12: 0000000000000004 [ 37.742420][ T398] R13: 00000000686e7604 R14: 0000000000499600 R15: 0000000000000000 | [ 37.848304][ T399] ------------[ cut here ]------------ | [ 37.850198][ T399] WARNING: CPU: 3 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) | [ 37.850888][ T399] Modules linked in: ip_gre gre 8021q vrf veth | [ 37.851899][ T399] Tainted: [W]=WARN [ 37.852121][ T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.852501][ 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) [ 37.852819][ 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 [ 37.853875][ T399] RSP: 0018:ffffc90000957140 EFLAGS: 00010246 [ 37.854259][ T399] RAX: 0000000000000000 RBX: ffff88800bbf9000 RCX: 0000000000000001 [ 37.854707][ T399] RDX: 0000000000000000 RSI: ffffffffaea9b939 RDI: ffffffffae2555e0 [ 37.855150][ T399] RBP: ffffc90000957230 R08: ffff888008e48800 R09: 0000000000000000 [ 37.855602][ T399] R10: ffffc900009575c8 R11: ffffffffaf850668 R12: 1ffff9200012ae2c [ 37.856040][ T399] R13: 00000000000007d0 R14: ffffc90000957880 R15: ffff88800ce19fe0 [ 37.856508][ T399] FS: 00007fb2eff39800(0000) GS:ffff88807ea37000(0000) knlGS:0000000000000000 [ 37.857034][ T399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.857418][ T399] CR2: 00000000004e5ab8 CR3: 00000000092b7002 CR4: 0000000000772ef0 [ 37.857868][ T399] PKRU: 55555554 [ 37.858092][ T399] Call Trace: [ 37.858321][ T399] [ 37.858478][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.858789][ T399] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 37.859087][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.859396][ T399] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 37.859698][ T399] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 37.859990][ T399] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 37.860286][ T399] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 37.860602][ T399] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 37.860979][ T399] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.861284][ T399] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 37.861601][ T399] ? __kernel_text_address (kernel/extable.c:79) [ 37.861896][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.862193][ T399] ? __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) [ 37.862518][ T399] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 37.862901][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.863203][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.863510][ T399] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 37.863817][ T399] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 37.864109][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.864402][ T399] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 37.864717][ T399] ? __create_object (mm/kmemleak.c:771) [ 37.865013][ T399] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 37.865307][ T399] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 37.865628][ T399] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 37.865991][ T399] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 37.866288][ T399] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 37.866612][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.866905][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.867202][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.867496][ T399] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 37.867815][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.868109][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.868400][ T399] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 37.868732][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.869029][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.869324][ T399] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 37.869642][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.869940][ T399] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 37.870246][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 37.870536][ 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) [ 37.870857][ T399] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 37.871172][ T399] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 37.871462][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.871779][ T399] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 37.872074][ T399] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 37.872363][ T399] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 37.872678][ T399] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 37.872976][ T399] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 37.873265][ T399] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 37.873657][ T399] ___sys_sendmsg (net/socket.c:2670) [ 37.873951][ T399] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 37.874242][ 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) [ 37.874621][ T399] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 37.874946][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.875241][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.875544][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.875859][ 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) [ 37.876149][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.876446][ T399] __sys_sendmsg (net/socket.c:2700) [ 37.876764][ T399] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 37.877125][ T399] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 37.877428][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.877743][ T399] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 37.878038][ T399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 37.878398][ T399] RIP: 0033:0x7fb2f01061e7 [ 37.878708][ 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) [ 37.879792][ T399] RSP: 002b:00007ffd6163ff08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 37.880237][ T399] RAX: ffffffffffffffda RBX: 00007ffd61640630 RCX: 00007fb2f01061e7 [ 37.880685][ T399] RDX: 0000000000000000 RSI: 00007ffd6163ff70 RDI: 0000000000000005 [ 37.881170][ T399] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 37.881620][ T399] R10: 00007fb2f0003ee8 R11: 0000000000000246 R12: 0000000000000004 [ 37.882068][ T399] R13: 00000000686e7604 R14: 0000000000499600 R15: 0000000000000000 | [ 38.008643][ T400] ------------[ cut here ]------------ | [ 38.008995][ T400] WARNING: CPU: 2 PID: 400 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) | [ 38.009556][ T400] Modules linked in: ip_gre gre 8021q vrf veth | [ 38.010570][ T400] Tainted: [W]=WARN [ 38.011066][ T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.011447][ T400] 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) [ 38.011758][ T400] 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 [ 38.012763][ T400] RSP: 0018:ffffc90000967140 EFLAGS: 00010246 [ 38.013127][ T400] RAX: 0000000000000000 RBX: ffff88800773c000 RCX: 0000000000000001 [ 38.013667][ T400] RDX: 0000000000000000 RSI: ffffffffaea9b939 RDI: ffffffffae2555e0 [ 38.014138][ T400] RBP: ffffc90000967230 R08: ffff88800cdd5000 R09: 0000000000000000 [ 38.014567][ T400] R10: ffffc900009675c8 R11: ffffffffaf850668 R12: 1ffff9200012ce2c [ 38.015026][ T400] R13: 00000000000007d0 R14: ffffc90000967880 R15: ffff88800ce1a360 [ 38.015465][ T400] FS: 00007fbdebf30800(0000) GS:ffff88807e9b7000(0000) knlGS:0000000000000000 [ 38.015987][ T400] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.016366][ T400] CR2: 00000000004e59c0 CR3: 000000000500a005 CR4: 0000000000772ef0 [ 38.016810][ T400] PKRU: 55555554 [ 38.017034][ T400] Call Trace: [ 38.017255][ T400] [ 38.017409][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 38.017731][ T400] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 38.018035][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) [ 38.018343][ T400] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 38.018651][ T400] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 38.018946][ T400] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 38.019255][ T400] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 38.019554][ T400] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 38.019948][ T400] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.020240][ T400] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 38.020528][ T400] ? __kernel_text_address (kernel/extable.c:79) [ 38.020839][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 38.021146][ T400] ? __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) [ 38.021454][ T400] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 38.021829][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 38.022169][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 38.022456][ T400] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 38.022775][ T400] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 38.023072][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 38.023362][ T400] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 38.023675][ T400] ? __create_object (mm/kmemleak.c:771) [ 38.023969][ T400] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 38.024262][ T400] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 38.024549][ T400] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 38.024931][ T400] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 38.025236][ T400] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 38.025568][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 38.025868][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 38.026177][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 38.026464][ T400] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 38.026761][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) [ 38.027055][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 38.027345][ T400] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 38.027655][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 38.027955][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 38.028278][ T400] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 38.028564][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 38.028863][ T400] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 38.029162][ T400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 38.029444][ T400] ? 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) [ 38.029754][ T400] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 38.030057][ T400] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 38.030344][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 38.030662][ T400] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 38.030956][ T400] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 38.031343][ T400] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 38.031657][ T400] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 38.031970][ T400] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 38.032268][ T400] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 38.032656][ T400] ___sys_sendmsg (net/socket.c:2670) [ 38.032956][ T400] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 38.033248][ T400] ? __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) [ 38.033643][ T400] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 38.033955][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 38.034247][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 38.034567][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 38.034871][ T400] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 38.035171][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) [ 38.035466][ T400] __sys_sendmsg (net/socket.c:2700) [ 38.035776][ T400] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 38.036145][ T400] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 38.036444][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 38.036781][ T400] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 38.037069][ T400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 38.037442][ T400] RIP: 0033:0x7fbdec0fd1e7 [ 38.037766][ T400] 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) [ 38.038839][ T400] RSP: 002b:00007ffc544b0228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 38.039269][ T400] RAX: ffffffffffffffda RBX: 00007ffc544b0950 RCX: 00007fbdec0fd1e7 [ 38.039727][ T400] RDX: 0000000000000000 RSI: 00007ffc544b0290 RDI: 0000000000000005 [ 38.040148][ T400] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 38.040576][ T400] R10: 00007fbdebffaee8 R11: 0000000000000246 R12: 0000000000000004 Finger prints: netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_newlink:ipgre_newlink