====================================== | [ 20.246218][ T318] ip_gre: GRE over IPv4 tunneling driver | [ 20.302326][ T317] ------------[ cut here ]------------ | [ 20.302848][ 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) | [ 20.303475][ T317] Modules linked in: ip_gre gre 8021q vrf veth [ 20.304528][ T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.304957][ 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) [ 20.305323][ 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 [ 20.306447][ T317] RSP: 0018:ffffc90000717000 EFLAGS: 00010246 [ 20.306860][ T317] RAX: 0000000000000000 RBX: ffff888005aac000 RCX: 0000000000000001 [ 20.307328][ T317] RDX: 0000000000000000 RSI: ffffffff90a9b939 RDI: ffffffff902555e0 [ 20.307815][ T317] RBP: ffffc900007170e8 R08: ffff888005aac218 R09: 0000000000000000 [ 20.308285][ T317] R10: ffffc90000717118 R11: ffffffff90f79160 R12: 1ffff920000e2e04 [ 20.308760][ T317] R13: 00000000000005c0 R14: ffffc90000717118 R15: ffff888005aac218 [ 20.309248][ T317] FS: 00007fb48c495800(0000) GS:ffff8880a36b7000(0000) knlGS:0000000000000000 [ 20.310100][ T317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.310501][ T317] CR2: 00007fae8f5cbe10 CR3: 0000000009663003 CR4: 0000000000772ef0 [ 20.311000][ T317] PKRU: 55555554 [ 20.311246][ T317] Call Trace: [ 20.311481][ T317] [ 20.311659][ T317] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) [ 20.312067][ T317] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) [ 20.312381][ T317] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 20.312705][ T317] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q [ 20.313109][ T317] ? __pfx_packet_notifier (net/packet/af_packet.c:4236) [ 20.313432][ T317] netif_set_mtu (net/core/dev.c:9652) [ 20.313770][ T317] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 20.314106][ T317] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 20.314340][ T317] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) [ 20.314659][ T317] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) [ 20.314990][ T317] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre [ 20.315307][ T317] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre [ 20.315709][ T317] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 20.316062][ T317] ? rtnl_create_link (net/core/rtnetlink.c:3642) [ 20.316378][ T317] rtnl_newlink_create (net/core/rtnetlink.c:3828) [ 20.316702][ T317] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 20.317021][ T317] ? __dev_get_by_name (net/core/dev.c:865) [ 20.317328][ T317] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 20.317656][ T317] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 20.317972][ T317] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 20.318291][ T317] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 20.318607][ T317] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 20.318931][ T317] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 20.319256][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 20.319573][ T317] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 20.319883][ T317] ? __lock_release (kernel/locking/lockdep.c:5539) [ 20.320214][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 20.320518][ T317] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 20.320834][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 20.321158][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.321470][ T317] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 20.321802][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 20.322139][ T317] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 20.322469][ T317] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 20.322786][ 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) [ 20.323109][ T317] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 20.323428][ T317] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 20.323741][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.324056][ T317] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 20.324380][ T317] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 20.324700][ T317] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 20.325026][ T317] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 20.325356][ T317] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 20.325674][ T317] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 20.326073][ T317] ___sys_sendmsg (net/socket.c:2670) [ 20.326401][ T317] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 20.326717][ T317] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 20.327036][ T317] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) [ 20.327288][ T317] ? __handle_mm_fault (mm/memory.c:6212) [ 20.327597][ T317] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 20.327916][ T317] ? mt_find (lib/maple_tree.c:6938) [ 20.331619][ T317] __sys_sendmsg (net/socket.c:2700) [ 20.331954][ T317] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 20.348160][ T317] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) [ 20.348487][ T317] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) [ 20.348819][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 20.349135][ T317] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 20.349446][ T317] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 20.349845][ T317] RIP: 0033:0x7fb48c6621e7 [ 20.350169][ T317] Code: Unable to access opcode bytes at 0x7fb48c6621bd. Code starting with the faulting instruction =========================================== [ 20.350574][ T317] RSP: 002b:00007ffcb93896d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 20.351298][ T317] RAX: ffffffffffffffda RBX: 00007ffcb9389e00 RCX: 00007fb48c6621e7 [ 20.351791][ T317] RDX: 0000000000000000 RSI: 00007ffcb9389740 RDI: 0000000000000005 [ 20.352253][ T317] RBP: 000000000000000a R08: 00000000000000a8 R09: 0000000000000000 [ 20.352759][ T317] R10: 00007fb48c55a6f8 R11: 0000000000000246 R12: 00007ffcb9389e20 [ 20.353254][ T317] R13: 00000000686e7558 R14: 0000000000499600 R15: 00007ffcb9389824 | [ 22.684495][ T344] ------------[ cut here ]------------ | [ 22.684872][ T344] WARNING: CPU: 0 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) | [ 22.685490][ T344] Modules linked in: ip_gre gre 8021q vrf veth | [ 22.686527][ T344] Tainted: [W]=WARN [ 22.686777][ T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.687167][ 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) [ 22.687493][ 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 [ 22.688593][ T344] RSP: 0018:ffffc90000bd7000 EFLAGS: 00010246 [ 22.689000][ T344] RAX: 0000000000000000 RBX: ffff888007dc4000 RCX: 0000000000000001 [ 22.689461][ T344] RDX: 0000000000000000 RSI: ffffffff90a9b939 RDI: ffffffff902555e0 [ 22.689935][ T344] RBP: ffffc90000bd70e8 R08: ffff888007dc4218 R09: 0000000000000000 [ 22.690396][ T344] R10: ffffc90000bd7118 R11: ffffffff90f79160 R12: 1ffff9200017ae04 [ 22.690865][ T344] R13: 000000000000ffe3 R14: ffffc90000bd7118 R15: ffff888007dc4218 [ 22.691323][ T344] FS: 00007fa035a40800(0000) GS:ffff8880a36b7000(0000) knlGS:0000000000000000 [ 22.691900][ T344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.692285][ T344] CR2: 00000000004200f0 CR3: 000000000a0c0002 CR4: 0000000000772ef0 [ 22.692757][ T344] PKRU: 55555554 [ 22.692990][ T344] Call Trace: [ 22.693223][ T344] [ 22.693377][ T344] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) [ 22.693776][ T344] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 22.694091][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.694410][ T344] netif_set_mtu (net/core/dev.c:9652) [ 22.694727][ T344] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 22.695054][ T344] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 22.695285][ T344] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) [ 22.695599][ T344] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) [ 22.695929][ T344] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre [ 22.696237][ T344] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre [ 22.696616][ T344] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 22.696939][ T344] ? rtnl_create_link (net/core/rtnetlink.c:3642) [ 22.697246][ T344] rtnl_newlink_create (net/core/rtnetlink.c:3828) [ 22.697555][ T344] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 22.697883][ T344] ? __dev_get_by_name (net/core/dev.c:865) [ 22.698188][ T344] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 22.698495][ T344] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 22.698821][ T344] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 22.699124][ T344] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 22.699432][ T344] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 22.699761][ T344] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 22.700069][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 22.700387][ T344] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 22.700697][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) [ 22.701006][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 22.701310][ T344] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 22.701615][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 22.701976][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.702288][ T344] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 22.702594][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 22.702919][ T344] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 22.703237][ T344] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 22.703540][ 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) [ 22.703858][ T344] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 22.704168][ T344] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 22.704469][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.704787][ T344] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 22.705099][ T344] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 22.705402][ T344] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 22.705723][ T344] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 22.706032][ T344] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 22.706336][ T344] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 22.706769][ T344] ___sys_sendmsg (net/socket.c:2670) [ 22.707079][ T344] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 22.707388][ T344] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 22.707710][ T344] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) [ 22.707953][ T344] ? __handle_mm_fault (mm/memory.c:6212) [ 22.708259][ T344] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 22.708561][ T344] ? mt_find (lib/maple_tree.c:6938) [ 22.708816][ T344] __sys_sendmsg (net/socket.c:2700) [ 22.709119][ T344] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 22.709424][ T344] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) [ 22.709746][ T344] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) [ 22.710050][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.710357][ T344] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.710674][ T344] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 22.711052][ T344] RIP: 0033:0x7fa035c0d1e7 [ 22.711366][ 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) [ 22.712477][ T344] RSP: 002b:00007ffee01d9fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 22.712949][ T344] RAX: ffffffffffffffda RBX: 00007ffee01da700 RCX: 00007fa035c0d1e7 [ 22.713401][ T344] RDX: 0000000000000000 RSI: 00007ffee01da040 RDI: 0000000000000005 [ 22.713871][ T344] RBP: 000000000000000c R08: 00000000000000b0 R09: 0000000000000000 [ 22.714326][ T344] R10: 00007fa035c9bac0 R11: 0000000000000246 R12: 00007ffee01da720 [ 22.714791][ T344] R13: 00000000686e755b R14: 0000000000499600 R15: 00007ffee01da124 | [ 36.479128][ T390] ------------[ cut here ]------------ | [ 36.479580][ T390] WARNING: CPU: 0 PID: 390 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) | [ 36.480140][ T390] Modules linked in: ip_gre gre 8021q vrf veth | [ 36.481106][ T390] Tainted: [W]=WARN [ 36.481315][ T390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.481686][ T390] 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) [ 36.482020][ T390] 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 [ 36.483010][ T390] RSP: 0018:ffffc90000867140 EFLAGS: 00010246 [ 36.483365][ T390] RAX: 0000000000000000 RBX: ffff888007811000 RCX: 0000000000000001 [ 36.483793][ T390] RDX: 0000000000000000 RSI: ffffffff90a9b939 RDI: ffffffff902555e0 [ 36.484507][ T390] RBP: ffffc90000867230 R08: ffff888009abd000 R09: 0000000000000000 [ 36.484936][ T390] R10: ffffc900008675c8 R11: ffffffff91850668 R12: 1ffff9200010ce2c [ 36.485352][ T390] R13: 00000000000007d0 R14: ffffc90000867880 R15: ffff88800b8ef4e0 [ 36.485784][ T390] FS: 00007f470c1dc800(0000) GS:ffff8880a36b7000(0000) knlGS:0000000000000000 [ 36.486269][ T390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.486622][ T390] CR2: 00000000004e5aa0 CR3: 0000000004e1f006 CR4: 0000000000772ef0 [ 36.487045][ T390] PKRU: 55555554 [ 36.487257][ T390] Call Trace: [ 36.487465][ T390] [ 36.487605][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.487904][ T390] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 36.488191][ T390] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.488474][ T390] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 36.488762][ T390] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 36.489042][ T390] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.489326][ T390] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 36.489615][ T390] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 36.489977][ T390] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.490254][ T390] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 36.490526][ T390] ? __kernel_text_address (kernel/extable.c:79) [ 36.490817][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.491097][ T390] ? __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) [ 36.491376][ T390] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 36.491777][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.492068][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.492347][ T390] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 36.492675][ T390] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 36.492964][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.493248][ T390] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 36.493522][ T390] ? __create_object (mm/kmemleak.c:771) [ 36.493809][ T390] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 36.494088][ T390] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 36.494362][ T390] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 36.494716][ T390] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 36.495048][ T390] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 36.495331][ T390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 36.495604][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.495896][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.496174][ T390] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 36.496447][ T390] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.496730][ T390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 36.497008][ T390] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 36.497289][ T390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 36.497567][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.497853][ T390] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 36.498131][ T390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 36.498405][ T390] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 36.498698][ T390] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 36.498972][ T390] ? 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) [ 36.499256][ T390] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 36.499535][ T390] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 36.499817][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.500096][ T390] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 36.500378][ T390] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 36.500662][ T390] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 36.500947][ T390] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 36.501238][ T390] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 36.501511][ T390] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 36.501923][ T390] ___sys_sendmsg (net/socket.c:2670) [ 36.502200][ T390] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 36.502475][ T390] ? __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) [ 36.502833][ T390] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 36.503114][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.503398][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.503709][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.504003][ T390] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 36.504280][ T390] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.504563][ T390] __sys_sendmsg (net/socket.c:2700) [ 36.504852][ T390] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 36.505196][ T390] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 36.505492][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.505781][ T390] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 36.506059][ T390] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.506411][ T390] RIP: 0033:0x7f470c3a91e7 [ 36.506709][ T390] 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) [ 36.507707][ T390] RSP: 002b:00007ffff4fda038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.508124][ T390] RAX: ffffffffffffffda RBX: 00007ffff4fda760 RCX: 00007f470c3a91e7 [ 36.508536][ T390] RDX: 0000000000000000 RSI: 00007ffff4fda0a0 RDI: 0000000000000005 [ 36.508968][ T390] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 36.509387][ T390] R10: 00007f470c2a6ee8 R11: 0000000000000246 R12: 0000000000000004 [ 36.509810][ T390] R13: 00000000686e7569 R14: 0000000000499600 R15: 0000000000000000 | [ 36.642312][ T391] ------------[ cut here ]------------ | [ 36.642652][ T391] WARNING: CPU: 3 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) | [ 36.643201][ T391] Modules linked in: ip_gre gre 8021q vrf veth | [ 36.644185][ T391] Tainted: [W]=WARN [ 36.644400][ T391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.644752][ 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) [ 36.645037][ 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 [ 36.646031][ T391] RSP: 0018:ffffc90000877140 EFLAGS: 00010246 [ 36.646382][ T391] RAX: 0000000000000000 RBX: ffff888005341000 RCX: 0000000000000001 [ 36.646802][ T391] RDX: 0000000000000000 RSI: ffffffff90a9b939 RDI: ffffffff902555e0 [ 36.647225][ T391] RBP: ffffc90000877230 R08: ffff88800a81e800 R09: 0000000000000000 [ 36.647648][ T391] R10: ffffc900008775c8 R11: ffffffff91850668 R12: 1ffff9200010ee2c [ 36.648058][ T391] R13: 00000000000007d0 R14: ffffc90000877880 R15: ffff888008feade0 [ 36.648473][ T391] FS: 00007fa20bed0800(0000) GS:ffff8880a3837000(0000) knlGS:0000000000000000 [ 36.648967][ T391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.649316][ T391] CR2: 00000000004e5aa8 CR3: 0000000009917002 CR4: 0000000000772ef0 [ 36.649740][ T391] PKRU: 55555554 [ 36.649947][ T391] Call Trace: [ 36.650153][ T391] [ 36.650293][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.650573][ T391] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 36.650854][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.651139][ T391] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 36.651414][ T391] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 36.651709][ T391] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.651990][ T391] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 36.652270][ T391] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 36.652616][ T391] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.652907][ T391] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 36.653183][ T391] ? __kernel_text_address (kernel/extable.c:79) [ 36.653461][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.653752][ 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) [ 36.654036][ T391] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 36.654376][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.654660][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.654941][ T391] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 36.655216][ T391] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 36.655492][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.655776][ T391] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 36.656049][ T391] ? __create_object (mm/kmemleak.c:771) [ 36.656329][ T391] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 36.656603][ T391] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 36.656890][ T391] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 36.657235][ T391] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 36.657517][ T391] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 36.657806][ T391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 36.658079][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.658358][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.658648][ T391] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 36.658921][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.659199][ T391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 36.659477][ T391] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 36.659766][ T391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 36.660046][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.660323][ T391] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 36.660598][ T391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 36.660885][ T391] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 36.661171][ T391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 36.661451][ 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) [ 36.661743][ T391] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 36.662023][ T391] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 36.662294][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.662576][ T391] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 36.662867][ T391] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 36.663141][ T391] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 36.663430][ T391] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 36.663720][ T391] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 36.663994][ T391] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 36.664347][ T391] ___sys_sendmsg (net/socket.c:2670) [ 36.664617][ T391] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 36.664917][ 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) [ 36.665260][ T391] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 36.665545][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.665834][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.666115][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.666391][ 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) [ 36.666676][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.666963][ T391] __sys_sendmsg (net/socket.c:2700) [ 36.667237][ T391] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 36.667585][ T391] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 36.667884][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.668161][ T391] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 36.668438][ T391] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.668794][ T391] RIP: 0033:0x7fa20c09d1e7 [ 36.669080][ 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) [ 36.670076][ T391] RSP: 002b:00007ffd381deb38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.670494][ T391] RAX: ffffffffffffffda RBX: 00007ffd381df260 RCX: 00007fa20c09d1e7 [ 36.670923][ T391] RDX: 0000000000000000 RSI: 00007ffd381deba0 RDI: 0000000000000005 [ 36.671333][ T391] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 36.671766][ T391] R10: 00007fa20bf9aee8 R11: 0000000000000246 R12: 0000000000000004 [ 36.672176][ T391] R13: 00000000686e7569 R14: 0000000000499600 R15: 0000000000000000 | [ 36.783533][ T392] ------------[ cut here ]------------ | [ 36.783863][ T392] WARNING: CPU: 0 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) | [ 36.784465][ T392] Modules linked in: ip_gre gre 8021q vrf veth | [ 36.785938][ T392] Tainted: [W]=WARN [ 36.786146][ T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.786491][ 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) [ 36.786783][ 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 [ 36.787772][ T392] RSP: 0018:ffffc90000877140 EFLAGS: 00010246 [ 36.788123][ T392] RAX: 0000000000000000 RBX: ffff888005aac000 RCX: 0000000000000001 [ 36.788535][ T392] RDX: 0000000000000000 RSI: ffffffff90a9b939 RDI: ffffffff902555e0 [ 36.788961][ T392] RBP: ffffc90000877230 R08: ffff88800a0f0800 R09: 0000000000000000 [ 36.789376][ T392] R10: ffffc900008775c8 R11: ffffffff91850668 R12: 1ffff9200010ee2c [ 36.789791][ T392] R13: 00000000000007d0 R14: ffffc90000877880 R15: ffff88800607c760 [ 36.790203][ T392] FS: 00007f13f1482800(0000) GS:ffff8880a36b7000(0000) knlGS:0000000000000000 [ 36.790697][ T392] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.791042][ T392] CR2: 00000000004e73b8 CR3: 000000000cf26002 CR4: 0000000000772ef0 [ 36.791456][ T392] PKRU: 55555554 [ 36.791690][ T392] Call Trace: [ 36.791927][ T392] [ 36.792069][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.792353][ T392] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 36.792648][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.792930][ T392] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 36.793205][ T392] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 36.793481][ T392] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.793769][ T392] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 36.794052][ T392] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 36.794401][ T392] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.794692][ T392] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 36.794967][ T392] ? __kernel_text_address (kernel/extable.c:79) [ 36.795244][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.795522][ 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) [ 36.795804][ T392] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 36.796146][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.796423][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.796709][ T392] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 36.796984][ T392] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 36.797261][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.797535][ T392] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 36.797826][ T392] ? __create_object (mm/kmemleak.c:771) [ 36.798107][ T392] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 36.798383][ T392] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 36.798675][ T392] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 36.799019][ T392] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 36.799301][ T392] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 36.799581][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 36.799866][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.800147][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.800421][ T392] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 36.800703][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.800986][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 36.801260][ T392] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 36.801538][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 36.801865][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.802150][ T392] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 36.802427][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 36.802715][ T392] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 36.803007][ T392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 36.803280][ 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) [ 36.803557][ T392] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 36.803850][ T392] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 36.804124][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.804403][ T392] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 36.804689][ T392] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 36.804971][ T392] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 36.805253][ T392] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 36.805532][ T392] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 36.805831][ T392] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 36.806184][ T392] ___sys_sendmsg (net/socket.c:2670) [ 36.806454][ T392] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 36.806738][ 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) [ 36.807086][ T392] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 36.807365][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.807658][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.807944][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.808219][ 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) [ 36.808491][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.808783][ T392] __sys_sendmsg (net/socket.c:2700) [ 36.809056][ T392] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 36.809398][ T392] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 36.809700][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.809979][ T392] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 36.810259][ T392] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.810601][ T392] RIP: 0033:0x7f13f164f1e7 [ 36.810896][ 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) [ 36.811940][ T392] RSP: 002b:00007ffc2b0586a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.812362][ T392] RAX: ffffffffffffffda RBX: 00007ffc2b058dd0 RCX: 00007f13f164f1e7 [ 36.812787][ T392] RDX: 0000000000000000 RSI: 00007ffc2b058710 RDI: 0000000000000005 [ 36.813209][ T392] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 36.813622][ T392] R10: 00007f13f154cee8 R11: 0000000000000246 R12: 0000000000000004 [ 36.814046][ T392] R13: 00000000686e7569 R14: 0000000000499600 R15: 0000000000000000 | [ 36.935929][ T393] ------------[ cut here ]------------ | [ 36.936250][ T393] WARNING: CPU: 3 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) | [ 36.936818][ T393] Modules linked in: ip_gre gre 8021q vrf veth | [ 36.938335][ T393] Tainted: [W]=WARN [ 36.938545][ T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.938895][ 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) [ 36.939183][ 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 [ 36.940176][ T393] RSP: 0018:ffffc90000877140 EFLAGS: 00010246 [ 36.940529][ T393] RAX: 0000000000000000 RBX: ffff888002b79000 RCX: 0000000000000001 [ 36.940948][ T393] RDX: 0000000000000000 RSI: ffffffff90a9b939 RDI: ffffffff902555e0 [ 36.941359][ T393] RBP: ffffc90000877230 R08: ffff88800b80b800 R09: 0000000000000000 [ 36.941788][ T393] R10: ffffc900008775c8 R11: ffffffff91850668 R12: 1ffff9200010ee2c [ 36.942205][ T393] R13: 00000000000007d0 R14: ffffc90000877880 R15: ffff88800607d1e0 [ 36.942614][ T393] FS: 00007faf47e91800(0000) GS:ffff8880a3837000(0000) knlGS:0000000000000000 [ 36.943103][ T393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.943447][ T393] CR2: 00000000004e5ab0 CR3: 000000000cf77004 CR4: 0000000000772ef0 [ 36.943873][ T393] PKRU: 55555554 [ 36.944080][ T393] Call Trace: [ 36.944287][ T393] [ 36.944429][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.944722][ T393] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 36.944996][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.945277][ T393] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 36.945551][ T393] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 36.945846][ T393] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.946126][ T393] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 36.946406][ T393] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 36.946764][ T393] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.947042][ T393] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 36.947316][ T393] ? __kernel_text_address (kernel/extable.c:79) [ 36.947599][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.947887][ 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) [ 36.948160][ T393] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 36.948498][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.948789][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.949069][ T393] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 36.949345][ T393] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 36.949625][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.949921][ T393] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 36.950193][ T393] ? __create_object (mm/kmemleak.c:771) [ 36.950469][ T393] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 36.950756][ T393] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 36.951030][ T393] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 36.951368][ T393] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 36.951668][ T393] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 36.951963][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 36.952236][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.952517][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.952807][ T393] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 36.953081][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.953360][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 36.953644][ T393] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 36.953925][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 36.954208][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.954490][ T393] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 36.954777][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 36.955054][ T393] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 36.955339][ T393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 36.955613][ 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) [ 36.955900][ T393] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 36.956183][ T393] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 36.956457][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.956745][ T393] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 36.957024][ T393] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 36.957300][ T393] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 36.957584][ T393] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 36.957871][ T393] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 36.958149][ T393] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 36.958498][ T393] ___sys_sendmsg (net/socket.c:2670) [ 36.958778][ T393] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 36.959053][ 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) [ 36.959397][ T393] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 36.959685][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.959963][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 36.960246][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 36.960521][ 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) [ 36.960804][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) [ 36.961085][ T393] __sys_sendmsg (net/socket.c:2700) [ 36.961357][ T393] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 36.961716][ T393] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 36.962004][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 36.962282][ T393] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 36.962562][ T393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.962914][ T393] RIP: 0033:0x7faf4805e1e7 [ 36.963199][ 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) [ 36.964205][ T393] RSP: 002b:00007ffcc5ec0ea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.964643][ T393] RAX: ffffffffffffffda RBX: 00007ffcc5ec15d0 RCX: 00007faf4805e1e7 [ 36.965058][ T393] RDX: 0000000000000000 RSI: 00007ffcc5ec0f10 RDI: 0000000000000005 [ 36.965470][ T393] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 36.965888][ T393] R10: 00007faf47f5bee8 R11: 0000000000000246 R12: 0000000000000004 [ 36.966306][ T393] R13: 00000000686e7569 R14: 0000000000499600 R15: 0000000000000000 | [ 37.100252][ T394] ------------[ cut here ]------------ | [ 37.100579][ 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) | [ 37.101233][ T394] Modules linked in: ip_gre gre 8021q vrf veth | [ 37.102213][ T394] Tainted: [W]=WARN [ 37.102425][ T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.102778][ 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) [ 37.103069][ 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 [ 37.104065][ T394] RSP: 0018:ffffc900008a7140 EFLAGS: 00010246 [ 37.104416][ T394] RAX: 0000000000000000 RBX: ffff888008a64000 RCX: 0000000000000001 [ 37.104836][ T394] RDX: 0000000000000000 RSI: ffffffff90a9b939 RDI: ffffffff902555e0 [ 37.105251][ T394] RBP: ffffc900008a7230 R08: ffff88800b563800 R09: 0000000000000000 [ 37.105670][ T394] R10: ffffc900008a75c8 R11: ffffffff91850668 R12: 1ffff92000114e2c [ 37.106084][ T394] R13: 00000000000007d0 R14: ffffc900008a7880 R15: ffff88800607dc60 [ 37.106494][ T394] FS: 00007f9f36a07800(0000) GS:ffff8880a36b7000(0000) knlGS:0000000000000000 [ 37.106983][ T394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.107336][ T394] CR2: 00000000004e55b8 CR3: 000000000c061004 CR4: 0000000000772ef0 [ 37.107754][ T394] PKRU: 55555554 [ 37.107962][ T394] Call Trace: [ 37.108168][ T394] [ 37.108307][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.108588][ T394] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 37.108874][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.109157][ T394] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 37.109431][ T394] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 37.109719][ T394] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 37.110001][ T394] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 37.110284][ T394] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 37.110645][ T394] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.110930][ T394] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 37.111202][ T394] ? __kernel_text_address (kernel/extable.c:79) [ 37.111478][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.111817][ 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) [ 37.112097][ T394] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 37.112439][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.112728][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.113002][ T394] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 37.113277][ T394] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 37.113556][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.113859][ T394] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 37.114136][ T394] ? __create_object (mm/kmemleak.c:771) [ 37.114415][ T394] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 37.114704][ T394] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 37.114980][ T394] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 37.115324][ T394] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 37.115606][ T394] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 37.115897][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.116173][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.116459][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.116744][ T394] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 37.117017][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.117293][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.117571][ T394] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 37.117864][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.118142][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.118419][ T394] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 37.118709][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.118987][ T394] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 37.119275][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 37.119553][ 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) [ 37.119843][ T394] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 37.120120][ T394] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 37.120393][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.120681][ T394] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 37.120961][ T394] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 37.121234][ T394] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 37.121519][ T394] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 37.121853][ T394] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 37.122129][ T394] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 37.122482][ T394] ___sys_sendmsg (net/socket.c:2670) [ 37.122763][ T394] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 37.123037][ 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) [ 37.123379][ T394] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 37.123668][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.123946][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.124226][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.124498][ 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) [ 37.124780][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.125064][ T394] __sys_sendmsg (net/socket.c:2700) [ 37.125336][ T394] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 37.125690][ T394] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 37.125985][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.126261][ T394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 37.126539][ T394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 37.126894][ T394] RIP: 0033:0x7f9f36bd41e7 [ 37.127181][ 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) [ 37.128181][ T394] RSP: 002b:00007ffcc795dcb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 37.128609][ T394] RAX: ffffffffffffffda RBX: 00007ffcc795e3e0 RCX: 00007f9f36bd41e7 [ 37.129040][ T394] RDX: 0000000000000000 RSI: 00007ffcc795dd20 RDI: 0000000000000005 [ 37.129448][ T394] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 37.129878][ T394] R10: 00007f9f36ad1ee8 R11: 0000000000000246 R12: 0000000000000004 [ 37.130292][ T394] R13: 00000000686e7569 R14: 0000000000499600 R15: 0000000000000000 | [ 37.238824][ T395] ------------[ cut here ]------------ | [ 37.239146][ T395] WARNING: CPU: 3 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) | [ 37.240254][ T395] Modules linked in: ip_gre gre 8021q vrf veth | [ 37.241186][ T395] Tainted: [W]=WARN [ 37.241394][ T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.241755][ 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) [ 37.242042][ 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 [ 37.243038][ T395] RSP: 0018:ffffc900008b7140 EFLAGS: 00010246 [ 37.243388][ T395] RAX: 0000000000000000 RBX: ffff888009794000 RCX: 0000000000000001 [ 37.243811][ T395] RDX: 0000000000000000 RSI: ffffffff90a9b939 RDI: ffffffff902555e0 [ 37.244226][ T395] RBP: ffffc900008b7230 R08: ffff888008f68800 R09: 0000000000000000 [ 37.244646][ T395] R10: ffffc900008b75c8 R11: ffffffff91850668 R12: 1ffff92000116e2c [ 37.245058][ T395] R13: 00000000000007d0 R14: ffffc900008b7880 R15: ffff88800607e6e0 [ 37.245469][ T395] FS: 00007f214558f800(0000) GS:ffff8880a3837000(0000) knlGS:0000000000000000 [ 37.245967][ T395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.246312][ T395] CR2: 00000000004e5ac8 CR3: 000000000cf7f001 CR4: 0000000000772ef0 [ 37.246736][ T395] PKRU: 55555554 [ 37.246946][ T395] Call Trace: [ 37.247154][ T395] [ 37.247295][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.247579][ T395] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 37.247870][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.248154][ T395] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 37.248432][ T395] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 37.248718][ T395] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 37.249001][ T395] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 37.249283][ T395] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 37.249648][ T395] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.249931][ T395] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 37.250205][ T395] ? __kernel_text_address (kernel/extable.c:79) [ 37.250486][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.250776][ 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) [ 37.251053][ T395] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 37.251397][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.251704][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.251986][ T395] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 37.252259][ T395] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 37.252536][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.252822][ T395] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 37.253096][ T395] ? __create_object (mm/kmemleak.c:771) [ 37.253376][ T395] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 37.253666][ T395] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 37.253944][ T395] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 37.254288][ T395] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 37.254568][ T395] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 37.254857][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.255133][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.255415][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.255704][ T395] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 37.255977][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.256258][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.256533][ T395] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 37.256820][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.257100][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.257378][ T395] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 37.257663][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.257938][ T395] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 37.258228][ T395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 37.258503][ 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) [ 37.258789][ T395] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 37.259070][ T395] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 37.259345][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.259625][ T395] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 37.259917][ T395] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 37.260196][ T395] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 37.260477][ T395] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 37.260768][ T395] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 37.261040][ T395] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 37.261393][ T395] ___sys_sendmsg (net/socket.c:2670) [ 37.261687][ T395] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 37.261964][ 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) [ 37.262308][ T395] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 37.262586][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.262891][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.263172][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.263445][ 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) [ 37.263727][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.264009][ T395] __sys_sendmsg (net/socket.c:2700) [ 37.264281][ T395] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 37.264621][ T395] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 37.264920][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.265199][ T395] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 37.265474][ T395] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 37.265827][ T395] RIP: 0033:0x7f214575c1e7 [ 37.266116][ 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) [ 37.267105][ T395] RSP: 002b:00007fffcb5d87d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 37.267522][ T395] RAX: ffffffffffffffda RBX: 00007fffcb5d8f00 RCX: 00007f214575c1e7 [ 37.267941][ T395] RDX: 0000000000000000 RSI: 00007fffcb5d8840 RDI: 0000000000000005 [ 37.268354][ T395] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 37.268774][ T395] R10: 00007f2145659ee8 R11: 0000000000000246 R12: 0000000000000004 [ 37.269185][ T395] R13: 00000000686e756a R14: 0000000000499600 R15: 0000000000000000 | [ 37.394207][ T396] ------------[ cut here ]------------ | [ 37.394526][ T396] WARNING: CPU: 0 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) | [ 37.395623][ T396] Modules linked in: ip_gre gre 8021q vrf veth | [ 37.396677][ T396] Tainted: [W]=WARN [ 37.396890][ T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.397233][ 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) [ 37.397519][ 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 [ 37.398515][ T396] RSP: 0018:ffffc900008b7140 EFLAGS: 00010246 [ 37.398875][ T396] RAX: 0000000000000000 RBX: ffff88800c054000 RCX: 0000000000000001 [ 37.399289][ T396] RDX: 0000000000000000 RSI: ffffffff90a9b939 RDI: ffffffff902555e0 [ 37.399708][ T396] RBP: ffffc900008b7230 R08: ffff888002078800 R09: 0000000000000000 [ 37.400125][ T396] R10: ffffc900008b75c8 R11: ffffffff91850668 R12: 1ffff92000116e2c [ 37.400536][ T396] R13: 00000000000007d0 R14: ffffc900008b7880 R15: ffff88800607f160 [ 37.400957][ T396] FS: 00007f6054c8a800(0000) GS:ffff8880a36b7000(0000) knlGS:0000000000000000 [ 37.401439][ T396] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.401847][ T396] CR2: 00000000004e5ac0 CR3: 000000000cf57001 CR4: 0000000000772ef0 [ 37.402272][ T396] PKRU: 55555554 [ 37.402481][ T396] Call Trace: [ 37.402701][ T396] [ 37.402843][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.403127][ T396] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 37.403401][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.403695][ T396] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 37.403974][ T396] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 37.404258][ T396] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 37.404540][ T396] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 37.404838][ T396] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 37.405188][ T396] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.405462][ T396] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 37.405753][ T396] ? __kernel_text_address (kernel/extable.c:79) [ 37.406037][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.406316][ 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) [ 37.406592][ T396] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 37.406948][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.407263][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.407540][ T396] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 37.407825][ T396] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 37.408109][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.408383][ T396] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 37.408667][ T396] ? __create_object (mm/kmemleak.c:771) [ 37.408955][ T396] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 37.409236][ T396] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 37.409513][ T396] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 37.409870][ T396] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 37.410154][ T396] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 37.410477][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.410763][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.411043][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.411318][ T396] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 37.411592][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.411949][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.412227][ T396] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 37.412505][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.412798][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.413078][ T396] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 37.413352][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.413657][ T396] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 37.413942][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 37.414214][ 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) [ 37.414492][ T396] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 37.414782][ T396] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 37.415059][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.415338][ T396] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 37.415616][ T396] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 37.415901][ T396] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 37.416183][ T396] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 37.416465][ T396] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 37.416753][ T396] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 37.417110][ T396] ___sys_sendmsg (net/socket.c:2670) [ 37.417382][ T396] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 37.417682][ 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) [ 37.418028][ T396] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 37.418307][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.418585][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.418878][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.419154][ 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) [ 37.419427][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.419722][ T396] __sys_sendmsg (net/socket.c:2700) [ 37.419994][ T396] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 37.420358][ T396] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 37.420653][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.420942][ T396] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 37.421219][ T396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 37.421564][ T396] RIP: 0033:0x7f6054e571e7 [ 37.421918][ 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) [ 37.422939][ T396] RSP: 002b:00007fff5e4630b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 37.423364][ T396] RAX: ffffffffffffffda RBX: 00007fff5e4637e0 RCX: 00007f6054e571e7 [ 37.423782][ T396] RDX: 0000000000000000 RSI: 00007fff5e463120 RDI: 0000000000000005 [ 37.424196][ T396] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 37.424614][ T396] R10: 00007f6054d54ee8 R11: 0000000000000246 R12: 0000000000000004 [ 37.425036][ T396] R13: 00000000686e756a R14: 0000000000499600 R15: 0000000000000000 | [ 37.555478][ T397] ------------[ cut here ]------------ | [ 37.556223][ 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) | [ 37.556790][ T397] Modules linked in: ip_gre gre 8021q vrf veth | [ 37.557724][ T397] Tainted: [W]=WARN [ 37.557932][ T397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.558276][ 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) [ 37.558567][ 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 [ 37.559554][ T397] RSP: 0018:ffffc900008c7140 EFLAGS: 00010246 [ 37.559915][ T397] RAX: 0000000000000000 RBX: ffff888007dc4000 RCX: 0000000000000001 [ 37.560335][ T397] RDX: 0000000000000000 RSI: ffffffff90a9b939 RDI: ffffffff902555e0 [ 37.560755][ T397] RBP: ffffc900008c7230 R08: ffff88800c3c3800 R09: 0000000000000000 [ 37.561165][ T397] R10: ffffc900008c75c8 R11: ffffffff91850668 R12: 1ffff92000118e2c [ 37.561576][ T397] R13: 00000000000007d0 R14: ffffc900008c7880 R15: ffff88800607fbe0 [ 37.562043][ T397] FS: 00007facf6408800(0000) GS:ffff8880a3837000(0000) knlGS:0000000000000000 [ 37.562527][ T397] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.562886][ T397] CR2: 00000000004e73d0 CR3: 000000000cf5d003 CR4: 0000000000772ef0 [ 37.563300][ T397] PKRU: 55555554 [ 37.563509][ T397] Call Trace: [ 37.563724][ T397] [ 37.563866][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.564155][ T397] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 37.564428][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.564717][ T397] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 37.564991][ T397] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 37.565268][ T397] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 37.565548][ T397] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 37.565844][ T397] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 37.566201][ T397] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.566476][ T397] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 37.566767][ T397] ? __kernel_text_address (kernel/extable.c:79) [ 37.567049][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.567328][ 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) [ 37.567603][ T397] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 37.567955][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.568235][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.568508][ T397] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 37.568792][ T397] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 37.569069][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.569346][ T397] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 37.569616][ T397] ? __create_object (mm/kmemleak.c:771) [ 37.569904][ T397] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 37.570186][ T397] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 37.570461][ T397] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 37.570813][ T397] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 37.571093][ T397] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 37.571374][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.571664][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.571949][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.572225][ T397] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 37.572506][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.572796][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.573073][ T397] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 37.573350][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.573640][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.573928][ T397] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 37.574207][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.574485][ T397] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 37.574787][ T397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 37.575064][ 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) [ 37.575344][ T397] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 37.575620][ T397] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 37.575911][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.576191][ T397] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 37.576477][ T397] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 37.576763][ T397] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 37.577049][ T397] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 37.577329][ T397] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 37.577603][ T397] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 37.577968][ T397] ___sys_sendmsg (net/socket.c:2670) [ 37.578242][ T397] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 37.578518][ 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) [ 37.578878][ T397] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 37.579159][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.579438][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.579743][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.580021][ 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) [ 37.580296][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.580578][ T397] __sys_sendmsg (net/socket.c:2700) [ 37.580870][ T397] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 37.581212][ T397] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 37.581504][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.581800][ T397] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 37.582081][ T397] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 37.582421][ T397] RIP: 0033:0x7facf65d51e7 [ 37.582723][ 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) [ 37.583723][ T397] RSP: 002b:00007ffe5a86e388 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 37.584141][ T397] RAX: ffffffffffffffda RBX: 00007ffe5a86eab0 RCX: 00007facf65d51e7 [ 37.584551][ T397] RDX: 0000000000000000 RSI: 00007ffe5a86e3f0 RDI: 0000000000000005 [ 37.584977][ T397] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 37.585389][ T397] R10: 00007facf64d2ee8 R11: 0000000000000246 R12: 0000000000000004 [ 37.585809][ T397] R13: 00000000686e756a R14: 0000000000499600 R15: 0000000000000000 | [ 37.690127][ T398] ------------[ cut here ]------------ | [ 37.690527][ T398] WARNING: CPU: 3 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) | [ 37.691096][ T398] Modules linked in: ip_gre gre 8021q vrf veth | [ 37.692051][ T398] Tainted: [W]=WARN [ 37.692262][ T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.692605][ 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) [ 37.692902][ 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 [ 37.693901][ T398] RSP: 0018:ffffc900008c7140 EFLAGS: 00010246 [ 37.694253][ T398] RAX: 0000000000000000 RBX: ffff8880093c1000 RCX: 0000000000000001 [ 37.694676][ T398] RDX: 0000000000000000 RSI: ffffffff90a9b939 RDI: ffffffff902555e0 [ 37.695089][ T398] RBP: ffffc900008c7230 R08: ffff888008fe3800 R09: 0000000000000000 [ 37.695506][ T398] R10: ffffc900008c75c8 R11: ffffffff91850668 R12: 1ffff92000118e2c [ 37.695927][ T398] R13: 00000000000007d0 R14: ffffc900008c7880 R15: ffff888004d3bbe0 [ 37.696345][ T398] FS: 00007fd653a59800(0000) GS:ffff8880a3837000(0000) knlGS:0000000000000000 [ 37.696837][ T398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.697192][ T398] CR2: 00000000004e5ab8 CR3: 000000000918a004 CR4: 0000000000772ef0 [ 37.697606][ T398] PKRU: 55555554 [ 37.697827][ T398] Call Trace: [ 37.698033][ T398] [ 37.698174][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.698457][ T398] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 37.698742][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.699024][ T398] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 37.699299][ T398] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 37.699575][ T398] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 37.699867][ T398] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 37.700150][ T398] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 37.700506][ T398] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.700794][ T398] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 37.701180][ T398] ? __kernel_text_address (kernel/extable.c:79) [ 37.701458][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.701762][ 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) [ 37.702040][ T398] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 37.702381][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.702667][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.702941][ T398] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 37.703219][ T398] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 37.703494][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.703782][ T398] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 37.704053][ T398] ? __create_object (mm/kmemleak.c:771) [ 37.704331][ T398] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 37.704608][ T398] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 37.704895][ T398] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 37.705241][ T398] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 37.705522][ T398] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 37.705813][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.706086][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.706367][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.706651][ T398] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 37.706925][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.707200][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.707475][ T398] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 37.707762][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.708051][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.708329][ T398] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 37.708605][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.708892][ T398] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 37.709178][ T398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 37.709455][ 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) [ 37.709742][ T398] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 37.710019][ T398] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 37.710292][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.710573][ T398] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 37.710861][ T398] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 37.711137][ T398] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 37.711419][ T398] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 37.711722][ T398] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 37.711998][ T398] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 37.712350][ T398] ___sys_sendmsg (net/socket.c:2670) [ 37.712644][ T398] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 37.712921][ 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) [ 37.713305][ T398] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 37.713590][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.713889][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.714170][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.714448][ 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) [ 37.714730][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.715013][ T398] __sys_sendmsg (net/socket.c:2700) [ 37.715286][ T398] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 37.715643][ T398] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 37.715938][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.716212][ T398] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 37.716488][ T398] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 37.716841][ T398] RIP: 0033:0x7fd653c261e7 [ 37.717129][ 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) [ 37.718130][ T398] RSP: 002b:00007fffc70ef7a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 37.718550][ T398] RAX: ffffffffffffffda RBX: 00007fffc70efed0 RCX: 00007fd653c261e7 [ 37.718978][ T398] RDX: 0000000000000000 RSI: 00007fffc70ef810 RDI: 0000000000000005 [ 37.719393][ T398] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 37.719842][ T398] R10: 00007fd653b23ee8 R11: 0000000000000246 R12: 0000000000000004 [ 37.720257][ T398] R13: 00000000686e756a R14: 0000000000499600 R15: 0000000000000000 | [ 37.832090][ T399] ------------[ cut here ]------------ | [ 37.832412][ T399] WARNING: CPU: 1 PID: 399 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 37.832978][ T399] Modules linked in: ip_gre gre 8021q vrf veth | [ 37.833925][ T399] Tainted: [W]=WARN [ 37.834136][ T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.834482][ 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) [ 37.834793][ 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 [ 37.837372][ T399] RSP: 0018:ffffc900008c7140 EFLAGS: 00010246 [ 37.837883][ T399] RAX: 0000000000000000 RBX: ffff888005349000 RCX: 0000000000000001 [ 37.838332][ T399] RDX: 0000000000000000 RSI: ffffffff90a9b939 RDI: ffffffff902555e0 [ 37.838893][ T399] RBP: ffffc900008c7230 R08: ffff88800cc02000 R09: 0000000000000000 [ 37.839316][ T399] R10: ffffc900008c75c8 R11: ffffffff91850668 R12: 1ffff92000118e2c [ 37.839773][ T399] R13: 00000000000007d0 R14: ffffc900008c7880 R15: ffff888004d39560 [ 37.840192][ T399] FS: 00007f8f41f97800(0000) GS:ffff8880a3737000(0000) knlGS:0000000000000000 [ 37.840689][ T399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.841062][ T399] CR2: 00000000004e59c0 CR3: 0000000004f84005 CR4: 0000000000772ef0 [ 37.841480][ T399] PKRU: 55555554 [ 37.841716][ T399] Call Trace: [ 37.841927][ T399] [ 37.842068][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.842353][ T399] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 37.842651][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.842934][ T399] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 37.843216][ T399] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 37.843495][ T399] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 37.843788][ T399] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 37.844070][ T399] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 37.844420][ T399] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.844709][ T399] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 37.844993][ T399] ? __kernel_text_address (kernel/extable.c:79) [ 37.845271][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.845549][ 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) [ 37.845845][ T399] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 37.846188][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.846465][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.846749][ T399] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 37.847033][ T399] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 37.847307][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.847580][ T399] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 37.847866][ T399] ? __create_object (mm/kmemleak.c:771) [ 37.848149][ T399] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 37.848424][ T399] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 37.848712][ T399] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 37.849052][ T399] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 37.849338][ T399] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 37.849617][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.849906][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.850187][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.850461][ T399] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 37.850759][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.851035][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 37.851316][ T399] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 37.851599][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.851906][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.852187][ T399] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 37.852470][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 37.852760][ T399] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 37.853048][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 37.853322][ 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) [ 37.853607][ T399] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 37.853907][ T399] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 37.854184][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.854462][ T399] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 37.854752][ T399] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 37.855041][ T399] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 37.855340][ T399] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 37.855660][ T399] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 37.855940][ T399] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 37.856292][ T399] ___sys_sendmsg (net/socket.c:2670) [ 37.856564][ T399] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 37.856850][ 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) [ 37.857192][ T399] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 37.857472][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.857771][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 37.858051][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 37.858323][ 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) [ 37.858597][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) [ 37.858890][ T399] __sys_sendmsg (net/socket.c:2700) [ 37.859161][ T399] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 37.859501][ T399] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 37.859801][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 37.860082][ T399] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 37.860358][ T399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 37.860712][ T399] RIP: 0033:0x7f8f421641e7 [ 37.861000][ 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) [ 37.862015][ T399] RSP: 002b:00007ffc1ad26968 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 37.862432][ T399] RAX: ffffffffffffffda RBX: 00007ffc1ad27090 RCX: 00007f8f421641e7 [ 37.862848][ T399] RDX: 0000000000000000 RSI: 00007ffc1ad269d0 RDI: 0000000000000005 [ 37.863260][ T399] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 37.863689][ T399] R10: 00007f8f42061ee8 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