====================================== | 0 | xx__-> [ 17.698854][ T304] ------------[ cut here ]------------ | [ 17.699291][ T304] WARNING: CPU: 3 PID: 304 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) | [ 17.700327][ T304] Modules linked in: vrf veth [ 17.701197][ T304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.701562][ T304] 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) [ 17.701861][ T304] 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 [ 17.702997][ T304] RSP: 0018:ffffc900005b7140 EFLAGS: 00010246 [ 17.703461][ T304] RAX: 0000000000000000 RBX: ffff888007fe4000 RCX: 0000000000000001 [ 17.703895][ T304] RDX: 0000000000000000 RSI: ffffffffb709b939 RDI: ffffffffb68555e0 [ 17.704319][ T304] RBP: ffffc900005b7230 R08: ffff88800b49a000 R09: 0000000000000000 [ 17.704750][ T304] R10: ffffc900005b75c8 R11: ffffffffb7e50668 R12: 1ffff920000b6e2c [ 17.705178][ T304] R13: 0000000000002710 R14: ffffc900005b7880 R15: ffff88800b4d51e0 [ 17.705605][ T304] FS: 00007fa131480800(0000) GS:ffff88807d237000(0000) knlGS:0000000000000000 [ 17.706100][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.706465][ T304] CR2: 00000000004e5aa0 CR3: 0000000004cad005 CR4: 0000000000772ef0 [ 17.707153][ T304] PKRU: 55555554 [ 17.707371][ T304] Call Trace: [ 17.707596][ T304] [ 17.707740][ T304] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 17.708040][ T304] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 17.708319][ T304] ? __lock_release (kernel/locking/lockdep.c:5539) [ 17.708610][ T304] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 17.708906][ T304] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 17.709189][ T304] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 17.709486][ T304] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 17.709793][ T304] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 17.710147][ T304] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.710435][ T304] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 17.710708][ T304] ? __kernel_text_address (kernel/extable.c:79) [ 17.710998][ T304] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 17.711281][ T304] ? __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) [ 17.711568][ T304] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 17.711920][ T304] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 17.712195][ T304] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 17.712487][ T304] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 17.712784][ T304] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 17.713081][ T304] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 17.713359][ T304] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 17.713643][ T304] ? __create_object (mm/kmemleak.c:771) [ 17.713939][ T304] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 17.714215][ T304] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 17.714507][ T304] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 17.714859][ T304] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 17.715141][ T304] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 17.715433][ T304] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 17.715709][ T304] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 17.715998][ T304] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 17.716276][ T304] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 17.716574][ T304] ? __lock_release (kernel/locking/lockdep.c:5539) [ 17.716880][ T304] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 17.717154][ T304] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 17.717441][ T304] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 17.717720][ T304] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 17.718011][ T304] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 17.718287][ T304] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 17.718571][ T304] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 17.718870][ T304] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 17.719143][ T304] ? 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) [ 17.719430][ T304] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 17.719709][ T304] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 17.719991][ T304] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 17.720271][ T304] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 17.720560][ T304] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 17.720849][ T304] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 17.721139][ T304] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 17.721431][ T304] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 17.721705][ T304] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 17.722106][ T304] ___sys_sendmsg (net/socket.c:2670) [ 17.722382][ T304] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 17.722681][ T304] ? __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) [ 17.723037][ T304] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 17.723319][ T304] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 17.723617][ T304] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 17.723910][ T304] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 17.724212][ T304] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 17.724497][ T304] ? __lock_release (kernel/locking/lockdep.c:5539) [ 17.724783][ T304] __sys_sendmsg (net/socket.c:2700) [ 17.725062][ T304] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 17.725423][ T304] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 17.725710][ T304] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 17.725988][ T304] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 17.726268][ T304] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 17.726624][ T304] RIP: 0033:0x7fa13164d1e7 [ 17.726922][ T304] 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) [ 17.727919][ T304] RSP: 002b:00007ffe76733138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 17.728343][ T304] RAX: ffffffffffffffda RBX: 00007ffe76733860 RCX: 00007fa13164d1e7 [ 17.728782][ T304] RDX: 0000000000000000 RSI: 00007ffe767331a0 RDI: 0000000000000005 [ 17.729199][ T304] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 17.729628][ T304] R10: 00007fa13154aee8 R11: 0000000000000246 R12: 0000000000000004 [ 17.730058][ T304] R13: 00000000686e701d R14: 0000000000499600 R15: 0000000000000000 | [ 20.295587][ T346] ------------[ cut here ]------------ | [ 20.295923][ T346] WARNING: CPU: 1 PID: 346 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) | [ 20.297677][ T346] Modules linked in: 8021q vrf veth | [ 20.298576][ T346] Tainted: [W]=WARN [ 20.298803][ T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.299163][ T346] 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) [ 20.299470][ T346] 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 [ 20.300508][ T346] RSP: 0018:ffffc90000667140 EFLAGS: 00010246 [ 20.300871][ T346] RAX: 0000000000000000 RBX: ffff88800b401000 RCX: 0000000000000001 [ 20.301307][ T346] RDX: 0000000000000000 RSI: ffffffffb709b939 RDI: ffffffffb68555e0 [ 20.301746][ T346] RBP: ffffc90000667230 R08: ffff8880052b0800 R09: 0000000000000000 [ 20.302177][ T346] R10: ffffc900006675c8 R11: ffffffffb7e50668 R12: 1ffff920000cce2c [ 20.302634][ T346] R13: 0000000000002710 R14: ffffc90000667880 R15: ffff88800522b860 [ 20.303071][ T346] FS: 00007fd9eaff7800(0000) GS:ffff88807d137000(0000) knlGS:0000000000000000 [ 20.303586][ T346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.303948][ T346] CR2: 00000000004e5ab8 CR3: 000000000e096001 CR4: 0000000000772ef0 [ 20.304386][ T346] PKRU: 55555554 [ 20.304618][ T346] Call Trace: [ 20.304862][ T346] [ 20.305011][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.305306][ T346] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 20.305609][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) [ 20.305906][ T346] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 20.306202][ T346] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 20.306504][ T346] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 20.306798][ T346] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 20.307098][ T346] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 20.307481][ T346] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.307770][ T346] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 20.308059][ T346] ? __kernel_text_address (kernel/extable.c:79) [ 20.308356][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.308661][ T346] ? __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) [ 20.308952][ T346] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 20.309312][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 20.309616][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 20.309906][ T346] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 20.310195][ T346] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 20.310495][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.310785][ T346] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 20.311073][ T346] ? __create_object (mm/kmemleak.c:771) [ 20.311367][ T346] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 20.311665][ T346] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 20.311954][ T346] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 20.312311][ T346] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 20.312628][ T346] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 20.312926][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 20.313216][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.313519][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.313808][ T346] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 20.314097][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) [ 20.314387][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 20.314683][ T346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 20.314974][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 20.315270][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.315579][ T346] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 20.315869][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 20.316161][ T346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 20.316476][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 20.316762][ T346] ? 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) [ 20.317057][ T346] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 20.317353][ T346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 20.317648][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.317948][ T346] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 20.318242][ T346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 20.318556][ T346] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 20.318853][ T346] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 20.319147][ T346] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 20.319448][ T346] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 20.319819][ T346] ___sys_sendmsg (net/socket.c:2670) [ 20.320105][ T346] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 20.320398][ T346] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) [ 20.320781][ T346] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 20.321077][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.321378][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.321690][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.321981][ T346] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 20.322268][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) [ 20.322583][ T346] __sys_sendmsg (net/socket.c:2700) [ 20.322868][ T346] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 20.323221][ T346] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 20.323529][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 20.323826][ T346] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 20.324116][ T346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 20.324483][ T346] RIP: 0033:0x7fd9eb1c41e7 [ 20.324782][ T346] 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) [ 20.325830][ T346] RSP: 002b:00007fffb26f88a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 20.326267][ T346] RAX: ffffffffffffffda RBX: 00007fffb26f8fd0 RCX: 00007fd9eb1c41e7 [ 20.326707][ T346] RDX: 0000000000000000 RSI: 00007fffb26f8910 RDI: 0000000000000005 [ 20.327137][ T346] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 20.327581][ T346] R10: 00007fd9eb0c1ee8 R11: 0000000000000246 R12: 0000000000000004 [ 20.328019][ T346] R13: 00000000686e7020 R14: 0000000000499600 R15: 0000000000000000 | [ 23.926154][ T404] ------------[ cut here ]------------ | [ 23.927217][ T404] WARNING: CPU: 3 PID: 404 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) | [ 23.927842][ T404] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 23.929001][ T404] Tainted: [W]=WARN [ 23.929223][ T404] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.929601][ T404] 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) [ 23.929901][ T404] 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 [ 23.930957][ T404] RSP: 0018:ffffc900005a7140 EFLAGS: 00010246 [ 23.931330][ T404] RAX: 0000000000000000 RBX: ffff888009474000 RCX: 0000000000000001 [ 23.931788][ T404] RDX: 0000000000000000 RSI: ffffffffb709b939 RDI: ffffffffb68555e0 [ 23.932228][ T404] RBP: ffffc900005a7230 R08: ffff88800a2b6800 R09: 0000000000000000 [ 23.932690][ T404] R10: ffffc900005a75c8 R11: ffffffffb7e50668 R12: 1ffff920000b4e2c [ 23.933128][ T404] R13: 0000000000002710 R14: ffffc900005a7880 R15: ffff88800bed6360 [ 23.933578][ T404] FS: 00007fd501344800(0000) GS:ffff88807d237000(0000) knlGS:0000000000000000 [ 23.934084][ T404] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.934459][ T404] CR2: 00000000004e5aa8 CR3: 000000000504d004 CR4: 0000000000772ef0 [ 23.934901][ T404] PKRU: 55555554 [ 23.935122][ T404] Call Trace: [ 23.935345][ T404] [ 23.935508][ T404] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.935806][ T404] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 23.936096][ T404] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.936389][ T404] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 23.936687][ T404] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 23.936981][ T404] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 23.937278][ T404] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 23.937590][ T404] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 23.937956][ T404] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.938249][ T404] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 23.938547][ T404] ? __kernel_text_address (kernel/extable.c:79) [ 23.938842][ T404] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.939134][ T404] ? __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) [ 23.939431][ T404] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 23.939794][ T404] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.940088][ T404] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.940373][ T404] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 23.940679][ T404] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 23.940976][ T404] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.941264][ T404] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 23.941564][ T404] ? __create_object (mm/kmemleak.c:771) [ 23.941871][ T404] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 23.942165][ T404] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 23.942503][ T404] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 23.942868][ T404] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 23.943173][ T404] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 23.943481][ T404] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.943773][ T404] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.944068][ T404] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.944364][ T404] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 23.944665][ T404] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.944956][ T404] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.945245][ T404] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 23.945548][ T404] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.945839][ T404] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.946135][ T404] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 23.946437][ T404] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.946732][ T404] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 23.947034][ T404] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 23.947328][ T404] ? 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) [ 23.947634][ T404] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 23.947929][ T404] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 23.948218][ T404] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.948530][ T404] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 23.948823][ T404] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 23.949114][ T404] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 23.949426][ T404] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 23.949722][ T404] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 23.950013][ T404] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 23.950386][ T404] ___sys_sendmsg (net/socket.c:2670) [ 23.950689][ T404] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 23.950983][ T404] ? __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) [ 23.951349][ T404] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 23.951652][ T404] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.951945][ T404] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.952243][ T404] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.952553][ T404] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 23.952845][ T404] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.953144][ T404] __sys_sendmsg (net/socket.c:2700) [ 23.953437][ T404] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 23.953797][ T404] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 23.954100][ T404] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.954394][ T404] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 23.954696][ T404] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 23.955053][ T404] RIP: 0033:0x7fd5015111e7 [ 23.955387][ T404] 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) [ 23.956424][ T404] RSP: 002b:00007fff936d8a18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 23.956863][ T404] RAX: ffffffffffffffda RBX: 00007fff936d9140 RCX: 00007fd5015111e7 [ 23.957316][ T404] RDX: 0000000000000000 RSI: 00007fff936d8a80 RDI: 0000000000000005 [ 23.957762][ T404] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 23.958200][ T404] R10: 00007fd50140eee8 R11: 0000000000000246 R12: 0000000000000004 [ 23.958650][ T404] R13: 00000000686e7023 R14: 0000000000499600 R15: 0000000000000000 | [ 24.443601][ T416] ------------[ cut here ]------------ | [ 24.443954][ T416] WARNING: CPU: 2 PID: 416 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) | [ 24.444617][ T416] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 24.446318][ T416] Tainted: [W]=WARN [ 24.446579][ T416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.446976][ T416] 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) [ 24.447312][ T416] 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 [ 24.448465][ T416] RSP: 0018:ffffc90000616ef0 EFLAGS: 00010246 [ 24.448868][ T416] RAX: 0000000000000000 RBX: ffff88800e87a000 RCX: 0000000000000001 [ 24.449343][ T416] RDX: 0000000000000000 RSI: ffffffffb709b939 RDI: ffffffffb68555e0 [ 24.449829][ T416] RBP: ffffc90000616fe0 R08: 0000000000000000 R09: 0000000000000000 [ 24.450309][ T416] R10: ffffc90000617010 R11: ffffffffb7ea8918 R12: 1ffff920000c2de2 [ 24.450795][ T416] R13: 0000000000002710 R14: ffffc90000617010 R15: ffff88800e87af08 [ 24.451267][ T416] FS: 00007f9aeab97800(0000) GS:ffff88807d1b7000(0000) knlGS:0000000000000000 [ 24.451829][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.452232][ T416] CR2: 00000000004e5410 CR3: 0000000004cbb005 CR4: 0000000000772ef0 [ 24.452745][ T416] PKRU: 55555554 [ 24.452992][ T416] Call Trace: [ 24.453243][ T416] [ 24.453435][ T416] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 24.453761][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 24.454097][ T416] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 24.454433][ T416] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 24.454844][ T416] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 24.455171][ T416] netif_set_mtu (net/core/dev.c:9652) [ 24.455510][ T416] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 24.455848][ T416] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 24.456295][ T416] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 24.456558][ T416] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 24.456996][ T416] br_add_if (net/bridge/br_if.c:697) bridge [ 24.457362][ T416] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) [ 24.457712][ T416] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 24.458041][ T416] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 24.458459][ T416] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.458790][ T416] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 24.459396][ T416] ? __kernel_text_address (kernel/extable.c:79) [ 24.459767][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 24.460098][ T416] ? __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) [ 24.460880][ T416] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 24.461287][ T416] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 24.461623][ T416] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 24.461947][ T416] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 24.462276][ T416] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 24.462861][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 24.463189][ T416] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 24.463748][ T416] ? __create_object (mm/kmemleak.c:771) [ 24.464298][ T416] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 24.464643][ T416] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 24.464969][ T416] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 24.465375][ T416] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 24.465721][ T416] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 24.466282][ T416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 24.466619][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 24.466951][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 24.467273][ T416] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 24.467831][ T416] ? __lock_release (kernel/locking/lockdep.c:5539) [ 24.468156][ T416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 24.468754][ T416] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 24.469313][ T416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 24.469655][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 24.470212][ T416] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 24.470776][ T416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 24.471104][ T416] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 24.471452][ T416] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 24.471777][ T416] ? 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) [ 24.472106][ T416] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 24.472441][ T416] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 24.472778][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 24.473111][ T416] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 24.473455][ T416] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 24.473783][ T416] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 24.474127][ T416] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 24.474467][ T416] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 24.474795][ T416] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 24.475212][ T416] ___sys_sendmsg (net/socket.c:2670) [ 24.475548][ T416] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 24.476102][ T416] ? __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) [ 24.476840][ T416] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 24.477188][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 24.477754][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 24.478085][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 24.478419][ T416] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 24.478749][ T416] ? __lock_release (kernel/locking/lockdep.c:5539) [ 24.479305][ T416] __sys_sendmsg (net/socket.c:2700) [ 24.479638][ T416] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 24.480042][ T416] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 24.480389][ T416] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 24.480732][ T416] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 24.481062][ T416] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 24.481472][ T416] RIP: 0033:0x7f9aead641e7 [ 24.481810][ T416] 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) [ 24.482971][ T416] RSP: 002b:00007ffd27f05de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 24.483469][ T416] RAX: ffffffffffffffda RBX: 00007ffd27f06510 RCX: 00007f9aead641e7 [ 24.483951][ T416] RDX: 0000000000000000 RSI: 00007ffd27f05e50 RDI: 0000000000000005 [ 24.484679][ T416] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 24.485163][ T416] R10: 00000000169ea910 R11: 0000000000000246 R12: 0000000000000004 [ 24.485652][ T416] R13: 00000000686e7024 R14: 0000000000499600 R15: 0000000000000000 | [ 25.175705][ T433] ------------[ cut here ]------------ | [ 25.176078][ T433] WARNING: CPU: 2 PID: 433 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) | [ 25.176744][ T433] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 25.178015][ T433] Tainted: [W]=WARN [ 25.178276][ T433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.178701][ T433] 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) [ 25.179047][ T433] 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 [ 25.180432][ T433] RSP: 0018:ffffc90000636ef0 EFLAGS: 00010246 [ 25.181084][ T433] RAX: 0000000000000000 RBX: ffff8880052c2000 RCX: 0000000000000001 [ 25.181770][ T433] RDX: 0000000000000000 RSI: ffffffffb709b939 RDI: ffffffffb68555e0 [ 25.182452][ T433] RBP: ffffc90000636fe0 R08: 0000000000000000 R09: 0000000000000000 [ 25.183107][ T433] R10: ffffc90000637010 R11: ffffffffb7ea8918 R12: 1ffff920000c6de2 [ 25.183854][ T433] R13: 0000000000002710 R14: ffffc90000637010 R15: ffff8880052c2f08 [ 25.184616][ T433] FS: 00007f1514a0e800(0000) GS:ffff88807d1b7000(0000) knlGS:0000000000000000 [ 25.185326][ T433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.185901][ T433] CR2: 00000000004e5418 CR3: 00000000095d1006 CR4: 0000000000772ef0 [ 25.186550][ T433] PKRU: 55555554 [ 25.186854][ T433] Call Trace: [ 25.187112][ T433] [ 25.187294][ T433] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 25.187645][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.187999][ T433] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 25.188333][ T433] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 25.188769][ T433] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 25.189108][ T433] netif_set_mtu (net/core/dev.c:9652) [ 25.189455][ T433] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 25.189801][ T433] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 25.190268][ T433] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 25.190546][ T433] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 25.191005][ T433] br_add_if (net/bridge/br_if.c:697) bridge [ 25.191382][ T433] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) [ 25.191743][ T433] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 25.192084][ T433] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 25.192534][ T433] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.192872][ T433] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 25.193208][ T433] ? __kernel_text_address (kernel/extable.c:79) [ 25.193561][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.193902][ T433] ? __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) [ 25.194244][ T433] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 25.194670][ T433] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.195012][ T433] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.195348][ T433] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 25.195694][ T433] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 25.196044][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.196379][ T433] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 25.196721][ T433] ? __create_object (mm/kmemleak.c:771) [ 25.197060][ T433] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 25.197412][ T433] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 25.197750][ T433] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 25.198176][ T433] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 25.198535][ T433] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 25.198889][ T433] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 25.199233][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.199600][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.199933][ T433] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 25.200266][ T433] ? __lock_release (kernel/locking/lockdep.c:5539) [ 25.200614][ T433] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 25.200953][ T433] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 25.201296][ T433] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 25.201661][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.202011][ T433] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 25.202352][ T433] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 25.202713][ T433] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 25.203061][ T433] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 25.203390][ T433] ? 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) [ 25.203732][ T433] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 25.204074][ T433] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 25.204413][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.204751][ T433] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 25.205082][ T433] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 25.205419][ T433] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 25.205766][ T433] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 25.206109][ T433] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 25.206452][ T433] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 25.206888][ T433] ___sys_sendmsg (net/socket.c:2670) [ 25.207227][ T433] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 25.207568][ T433] ? __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) [ 25.207977][ T433] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 25.208314][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.208659][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.208993][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.209321][ T433] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 25.209666][ T433] ? __lock_release (kernel/locking/lockdep.c:5539) [ 25.210011][ T433] __sys_sendmsg (net/socket.c:2700) [ 25.210336][ T433] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 25.210745][ T433] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 25.211085][ T433] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.211420][ T433] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 25.211753][ T433] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 25.212156][ T433] RIP: 0033:0x7f1514bdb1e7 [ 25.212536][ T433] 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) [ 25.213687][ T433] RSP: 002b:00007ffcb98e3e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 25.214177][ T433] RAX: ffffffffffffffda RBX: 00007ffcb98e4590 RCX: 00007f1514bdb1e7 [ 25.214678][ T433] RDX: 0000000000000000 RSI: 00007ffcb98e3ed0 RDI: 0000000000000005 [ 25.215161][ T433] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 25.215653][ T433] R10: 0000000002ce6910 R11: 0000000000000246 R12: 0000000000000004 [ 25.216134][ T433] R13: 00000000686e7024 R14: 0000000000499600 R15: 0000000000000000 | [ 25.840070][ T452] ------------[ cut here ]------------ | [ 25.840424][ T452] WARNING: CPU: 3 PID: 452 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) | [ 25.841007][ T452] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 25.842352][ T452] Tainted: [W]=WARN [ 25.842587][ T452] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.842952][ T452] 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) [ 25.843255][ T452] 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 [ 25.844310][ T452] RSP: 0018:ffffc90000727140 EFLAGS: 00010246 [ 25.844690][ T452] RAX: 0000000000000000 RBX: ffff888008f74000 RCX: 0000000000000001 [ 25.845125][ T452] RDX: 0000000000000000 RSI: ffffffffb709b939 RDI: ffffffffb68555e0 [ 25.845573][ T452] RBP: ffffc90000727230 R08: ffff8880090c8800 R09: 0000000000000000 [ 25.846012][ T452] R10: ffffc900007275c8 R11: ffffffffb7e50668 R12: 1ffff920000e4e2c [ 25.846461][ T452] R13: 0000000000002710 R14: ffffc90000727880 R15: ffff88800bed4ae0 [ 25.846892][ T452] FS: 00007f85c1a83800(0000) GS:ffff88807d237000(0000) knlGS:0000000000000000 [ 25.847393][ T452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.848311][ T452] CR2: 00000000004e5ab0 CR3: 00000000092e4004 CR4: 0000000000772ef0 [ 25.848766][ T452] PKRU: 55555554 [ 25.848982][ T452] Call Trace: [ 25.849197][ T452] [ 25.849343][ T452] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.849643][ T452] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 25.849931][ T452] ? __lock_release (kernel/locking/lockdep.c:5539) [ 25.850223][ T452] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 25.850521][ T452] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 25.850815][ T452] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 25.851108][ T452] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 25.851417][ T452] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 25.851783][ T452] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.852068][ T452] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 25.852355][ T452] ? __kernel_text_address (kernel/extable.c:79) [ 25.852676][ T452] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.852973][ T452] ? __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) [ 25.853289][ T452] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 25.853654][ T452] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.853944][ T452] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.854231][ T452] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 25.854529][ T452] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 25.854819][ T452] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.855113][ T452] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 25.855400][ T452] ? __create_object (mm/kmemleak.c:771) [ 25.855705][ T452] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 25.855996][ T452] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 25.856284][ T452] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 25.856657][ T452] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 25.856955][ T452] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 25.857248][ T452] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 25.857557][ T452] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.857851][ T452] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.858138][ T452] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 25.858432][ T452] ? __lock_release (kernel/locking/lockdep.c:5539) [ 25.858726][ T452] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 25.859013][ T452] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 25.859304][ T452] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 25.859607][ T452] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.859910][ T452] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 25.860201][ T452] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 25.860500][ T452] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 25.860806][ T452] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 25.861093][ T452] ? 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) [ 25.861385][ T452] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 25.861688][ T452] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 25.861984][ T452] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.862280][ T452] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 25.862592][ T452] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 25.862917][ T452] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 25.863222][ T452] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 25.863526][ T452] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 25.863814][ T452] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 25.864194][ T452] ___sys_sendmsg (net/socket.c:2670) [ 25.864490][ T452] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 25.864784][ T452] ? __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) [ 25.865148][ T452] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 25.865447][ T452] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.865738][ T452] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.866032][ T452] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.866323][ T452] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 25.866624][ T452] ? __lock_release (kernel/locking/lockdep.c:5539) [ 25.866921][ T452] __sys_sendmsg (net/socket.c:2700) [ 25.867211][ T452] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 25.867578][ T452] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 25.867878][ T452] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.868166][ T452] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 25.868469][ T452] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 25.868831][ T452] RIP: 0033:0x7f85c1c501e7 [ 25.869135][ T452] 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) [ 25.870163][ T452] RSP: 002b:00007ffc24cfd098 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 25.870614][ T452] RAX: ffffffffffffffda RBX: 00007ffc24cfd7c0 RCX: 00007f85c1c501e7 [ 25.871050][ T452] RDX: 0000000000000000 RSI: 00007ffc24cfd100 RDI: 0000000000000005 [ 25.871490][ T452] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 25.871922][ T452] R10: 00007f85c1b4dee8 R11: 0000000000000246 R12: 0000000000000004 [ 25.872354][ T452] R13: 00000000686e7025 R14: 0000000000499600 R15: 0000000000000000 | [ 26.322951][ T464] ------------[ cut here ]------------ | [ 26.323281][ T464] WARNING: CPU: 3 PID: 464 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) | [ 26.323925][ T464] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 26.325154][ T464] Tainted: [W]=WARN [ 26.325399][ T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.325812][ T464] 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) [ 26.326141][ T464] 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 [ 26.327295][ T464] RSP: 0018:ffffc90000736ef0 EFLAGS: 00010246 [ 26.327713][ T464] RAX: 0000000000000000 RBX: ffff88800e87a000 RCX: 0000000000000001 [ 26.328205][ T464] RDX: 0000000000000000 RSI: ffffffffb709b939 RDI: ffffffffb68555e0 [ 26.328689][ T464] RBP: ffffc90000736fe0 R08: 0000000000000000 R09: 0000000000000000 [ 26.329166][ T464] R10: ffffc90000737010 R11: ffffffffb7ea8918 R12: 1ffff920000e6de2 [ 26.329651][ T464] R13: 0000000000002710 R14: ffffc90000737010 R15: ffff88800e87af08 [ 26.330131][ T464] FS: 00007f3ba3968800(0000) GS:ffff88807d237000(0000) knlGS:0000000000000000 [ 26.330713][ T464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.331121][ T464] CR2: 00000000004e5410 CR3: 000000000c0a2005 CR4: 0000000000772ef0 [ 26.331607][ T464] PKRU: 55555554 [ 26.331848][ T464] Call Trace: [ 26.332087][ T464] [ 26.332251][ T464] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 26.332600][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 26.332929][ T464] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 26.333252][ T464] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 26.333661][ T464] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 26.333984][ T464] netif_set_mtu (net/core/dev.c:9652) [ 26.334307][ T464] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 26.334652][ T464] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 26.335105][ T464] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 26.335349][ T464] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 26.335799][ T464] br_add_if (net/bridge/br_if.c:697) bridge [ 26.336159][ T464] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) [ 26.336544][ T464] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 26.336879][ T464] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 26.337287][ T464] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.337619][ T464] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 26.337943][ T464] ? __kernel_text_address (kernel/extable.c:79) [ 26.338273][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 26.338605][ T464] ? __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) [ 26.338932][ T464] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 26.339336][ T464] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 26.339672][ T464] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 26.339999][ T464] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 26.340317][ T464] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 26.340651][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 26.340976][ T464] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 26.341297][ T464] ? __create_object (mm/kmemleak.c:771) [ 26.341634][ T464] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 26.341956][ T464] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 26.342276][ T464] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 26.342691][ T464] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 26.343028][ T464] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 26.343355][ T464] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 26.343690][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 26.344017][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 26.344342][ T464] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 26.344673][ T464] ? __lock_release (kernel/locking/lockdep.c:5539) [ 26.345003][ T464] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 26.345325][ T464] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 26.345662][ T464] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 26.345987][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 26.346323][ T464] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 26.346652][ T464] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 26.346978][ T464] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 26.347311][ T464] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 26.347666][ T464] ? 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) [ 26.347992][ T464] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 26.348317][ T464] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 26.348651][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 26.348979][ T464] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 26.349306][ T464] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 26.349633][ T464] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 26.349961][ T464] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 26.350285][ T464] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 26.350614][ T464] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 26.351029][ T464] ___sys_sendmsg (net/socket.c:2670) [ 26.351346][ T464] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 26.351675][ T464] ? __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) [ 26.352074][ T464] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 26.352400][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 26.352758][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 26.353082][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 26.353417][ T464] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 26.353743][ T464] ? __lock_release (kernel/locking/lockdep.c:5539) [ 26.354071][ T464] __sys_sendmsg (net/socket.c:2700) [ 26.354390][ T464] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 26.354798][ T464] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 26.355136][ T464] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 26.355467][ T464] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 26.355792][ T464] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 26.356195][ T464] RIP: 0033:0x7f3ba3b351e7 [ 26.356535][ T464] 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) [ 26.357687][ T464] RSP: 002b:00007ffdf14f8978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.358174][ T464] RAX: ffffffffffffffda RBX: 00007ffdf14f90a0 RCX: 00007f3ba3b351e7 [ 26.358662][ T464] RDX: 0000000000000000 RSI: 00007ffdf14f89e0 RDI: 0000000000000005 [ 26.359144][ T464] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 26.359640][ T464] R10: 0000000038f48910 R11: 0000000000000246 R12: 0000000000000004 [ 26.360126][ T464] R13: 00000000686e7026 R14: 0000000000499600 R15: 0000000000000000 | [ 27.059480][ T481] ------------[ cut here ]------------ | [ 27.059824][ T481] WARNING: CPU: 2 PID: 481 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) | [ 27.060482][ T481] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 27.061740][ T481] Tainted: [W]=WARN [ 27.062001][ T481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.062424][ T481] 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) [ 27.062780][ T481] 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 [ 27.064672][ T481] RSP: 0018:ffffc9000098eef0 EFLAGS: 00010246 [ 27.065093][ T481] RAX: 0000000000000000 RBX: ffff8880052c2000 RCX: 0000000000000001 [ 27.065600][ T481] RDX: 0000000000000000 RSI: ffffffffb709b939 RDI: ffffffffb68555e0 [ 27.066095][ T481] RBP: ffffc9000098efe0 R08: 0000000000000000 R09: 0000000000000000 [ 27.066600][ T481] R10: ffffc9000098f010 R11: ffffffffb7ea8918 R12: 1ffff92000131de2 [ 27.067092][ T481] R13: 0000000000002710 R14: ffffc9000098f010 R15: ffff8880052c2f08 [ 27.067593][ T481] FS: 00007fb5a91d6800(0000) GS:ffff88807d1b7000(0000) knlGS:0000000000000000 [ 27.068171][ T481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.068612][ T481] CR2: 00000000004e5418 CR3: 000000000e237006 CR4: 0000000000772ef0 [ 27.069107][ T481] PKRU: 55555554 [ 27.069360][ T481] Call Trace: [ 27.069623][ T481] [ 27.069804][ T481] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 27.070137][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.070499][ T481] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 27.070833][ T481] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 27.071245][ T481] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 27.071591][ T481] netif_set_mtu (net/core/dev.c:9652) [ 27.071932][ T481] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 27.072275][ T481] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 27.072764][ T481] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 27.073024][ T481] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 27.073486][ T481] br_add_if (net/bridge/br_if.c:697) bridge [ 27.073864][ T481] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) [ 27.074205][ T481] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 27.074553][ T481] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 27.074974][ T481] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.075310][ T481] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 27.075654][ T481] ? __kernel_text_address (kernel/extable.c:79) [ 27.075985][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.076322][ T481] ? __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) [ 27.076664][ T481] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 27.077075][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 27.077418][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 27.077757][ T481] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 27.078089][ T481] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 27.078433][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.078766][ T481] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 27.079097][ T481] ? __create_object (mm/kmemleak.c:771) [ 27.079442][ T481] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 27.079780][ T481] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 27.080113][ T481] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 27.080538][ T481] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 27.080877][ T481] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 27.081213][ T481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 27.081556][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.081893][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.082223][ T481] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 27.082570][ T481] ? __lock_release (kernel/locking/lockdep.c:5539) [ 27.082907][ T481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 27.083238][ T481] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 27.083581][ T481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 27.083916][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.084252][ T481] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 27.084598][ T481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 27.085078][ T481] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 27.085431][ T481] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 27.085764][ T481] ? 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) [ 27.086096][ T481] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 27.086443][ T481] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 27.086771][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.087111][ T481] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 27.087459][ T481] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 27.087791][ T481] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 27.088136][ T481] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 27.088481][ T481] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 27.088812][ T481] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 27.089233][ T481] ___sys_sendmsg (net/socket.c:2670) [ 27.089572][ T481] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 27.089902][ T481] ? __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) [ 27.090308][ T481] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 27.090662][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.090994][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.091332][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.091678][ T481] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 27.092009][ T481] ? __lock_release (kernel/locking/lockdep.c:5539) [ 27.092348][ T481] __sys_sendmsg (net/socket.c:2700) [ 27.092695][ T481] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 27.093104][ T481] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 27.093457][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 27.093794][ T481] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 27.094131][ T481] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 27.094547][ T481] RIP: 0033:0x7fb5a93a31e7 [ 27.094890][ T481] 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) [ 27.096051][ T481] RSP: 002b:00007ffff712c5d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.096554][ T481] RAX: ffffffffffffffda RBX: 00007ffff712cd00 RCX: 00007fb5a93a31e7 [ 27.097040][ T481] RDX: 0000000000000000 RSI: 00007ffff712c640 RDI: 0000000000000005 [ 27.097540][ T481] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 27.098029][ T481] R10: 00000000401f0910 R11: 0000000000000246 R12: 0000000000000004 [ 27.098531][ T481] R13: 00000000686e7026 R14: 0000000000499600 R15: 0000000000000000 | [ 112.275858][ T850] ------------[ cut here ]------------ | [ 112.276177][ T850] WARNING: CPU: 1 PID: 850 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) | [ 112.278373][ T850] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 112.279838][ T850] Tainted: [W]=WARN [ 112.280070][ T850] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 112.280467][ T850] 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) [ 112.280784][ T850] 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 [ 112.281875][ T850] RSP: 0018:ffffc90000dbef70 EFLAGS: 00010246 [ 112.282261][ T850] RAX: 0000000000000000 RBX: ffff8880052c2000 RCX: 0000000000000001 [ 112.282771][ T850] RDX: 0000000000000000 RSI: ffffffffb709b939 RDI: ffffffffb68555e0 [ 112.283232][ T850] RBP: ffffc90000dbf058 R08: 0000000000000000 R09: 0000000000000000 [ 112.283709][ T850] R10: ffffc90000dbf088 R11: ffffffffb3400130 R12: 1ffff920001b7df2 [ 112.284163][ T850] R13: 0000000000002710 R14: ffffc90000dbf088 R15: ffff8880052c2f08 [ 112.284625][ T850] FS: 00007f3be65ca800(0000) GS:ffff88807d137000(0000) knlGS:0000000000000000 [ 112.285155][ T850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.285547][ T850] CR2: 00000000004e5630 CR3: 000000000ebbd001 CR4: 0000000000772ef0 [ 112.286011][ T850] PKRU: 55555554 [ 112.286237][ T850] Call Trace: [ 112.286477][ T850] [ 112.286631][ T850] ? __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) [ 112.287017][ T850] ? br_del_if (net/bridge/br_if.c:742) bridge [ 112.287362][ T850] ? do_set_master (net/core/rtnetlink.c:2932) [ 112.287684][ T850] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 112.287994][ T850] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 112.288298][ T850] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 112.288629][ T850] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 112.288934][ T850] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 112.289240][ T850] ? ___sys_sendmsg (net/socket.c:2670) [ 112.289555][ T850] ? __sys_sendmsg (net/socket.c:2700) [ 112.289858][ T850] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 112.290167][ T850] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 112.290569][ T850] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 112.290893][ T850] netif_set_mtu (net/core/dev.c:9652) [ 112.291204][ T850] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 112.291534][ T850] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 112.291767][ T850] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 112.292182][ T850] br_del_if (net/bridge/br_if.c:743) bridge [ 112.292521][ T850] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 112.292844][ T850] do_set_master (net/core/rtnetlink.c:2932) [ 112.293154][ T850] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 112.293493][ T850] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 112.293881][ T850] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 112.294190][ T850] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 112.294507][ T850] ? __kernel_text_address (kernel/extable.c:79) [ 112.294821][ T850] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.295134][ T850] ? __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) [ 112.295459][ T850] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 112.295840][ T850] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 112.296146][ T850] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 112.296467][ T850] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 112.296786][ T850] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 112.297097][ T850] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 112.297436][ T850] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 112.297750][ T850] ? __create_object (mm/kmemleak.c:771) [ 112.298059][ T850] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 112.298365][ T850] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 112.298683][ T850] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 112.299066][ T850] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 112.299381][ T850] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 112.299704][ T850] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.300018][ T850] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.300332][ T850] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 112.300649][ T850] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 112.300952][ T850] ? __lock_release (kernel/locking/lockdep.c:5539) [ 112.301260][ T850] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.301574][ T850] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 112.301880][ T850] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.302190][ T850] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.302519][ T850] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 112.302837][ T850] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.303145][ T850] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 112.303476][ T850] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 112.303781][ T850] ? 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) [ 112.304087][ T850] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 112.304397][ T850] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 112.304726][ T850] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.305038][ T850] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 112.305356][ T850] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 112.305672][ T850] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 112.305989][ T850] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 112.306300][ T850] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 112.306619][ T850] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 112.307023][ T850] ___sys_sendmsg (net/socket.c:2670) [ 112.307327][ T850] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 112.307645][ T850] ? __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) [ 112.308024][ T850] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 112.308332][ T850] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 112.308650][ T850] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.308960][ T850] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 112.309270][ T850] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 112.309584][ T850] ? __lock_release (kernel/locking/lockdep.c:5539) [ 112.309899][ T850] __sys_sendmsg (net/socket.c:2700) [ 112.310202][ T850] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 112.310591][ T850] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 112.310907][ T850] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 112.311215][ T850] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 112.311539][ T850] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 112.311925][ T850] RIP: 0033:0x7f3be67971e7 [ 112.312245][ T850] 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) [ 112.313368][ T850] RSP: 002b:00007ffd7e60f078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 112.313849][ T850] RAX: ffffffffffffffda RBX: 00007ffd7e60f7a0 RCX: 00007f3be67971e7 [ 112.314305][ T850] RDX: 0000000000000000 RSI: 00007ffd7e60f0e0 RDI: 0000000000000005 [ 112.314774][ T850] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 112.315230][ T850] R10: 00007f3be6694ee8 R11: 0000000000000246 R12: 0000000000000003 [ 112.315709][ T850] R13: 00000000686e707b R14: 0000000000499600 R15: 0000000000000000 | [ 112.756919][ T858] ------------[ cut here ]------------ | [ 112.757227][ T858] WARNING: CPU: 0 PID: 858 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) | [ 112.757844][ T858] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 112.759116][ T858] Tainted: [W]=WARN [ 112.759347][ T858] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 112.760780][ T858] 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) [ 112.761098][ T858] 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 [ 112.762185][ T858] RSP: 0018:ffffc9000119ef70 EFLAGS: 00010246 [ 112.762607][ T858] RAX: 0000000000000000 RBX: ffff88800e87a000 RCX: 0000000000000001 [ 112.763062][ T858] RDX: 0000000000000000 RSI: ffffffffb709b939 RDI: ffffffffb68555e0 [ 112.763524][ T858] RBP: ffffc9000119f058 R08: 0000000000000000 R09: 0000000000000000 [ 112.763977][ T858] R10: ffffc9000119f088 R11: ffffffffb7579160 R12: 1ffff92000233df2 [ 112.764437][ T858] R13: 0000000000002710 R14: ffffc9000119f088 R15: ffff88800e87af08 [ 112.764895][ T858] FS: 00007f992fa9e800(0000) GS:ffff88807d0b7000(0000) knlGS:0000000000000000 [ 112.765434][ T858] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.765819][ T858] CR2: 00000000004e5628 CR3: 000000000be0e003 CR4: 0000000000772ef0 [ 112.766275][ T858] PKRU: 55555554 [ 112.766520][ T858] Call Trace: [ 112.766764][ T858] [ 112.766918][ T858] ? __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) [ 112.767298][ T858] ? br_del_if (net/bridge/br_if.c:742) bridge [ 112.767653][ T858] ? do_set_master (net/core/rtnetlink.c:2932) [ 112.767959][ T858] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 112.768260][ T858] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 112.768572][ T858] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 112.768895][ T858] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 112.769212][ T858] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 112.769529][ T858] ? ___sys_sendmsg (net/socket.c:2670) [ 112.769837][ T858] ? __sys_sendmsg (net/socket.c:2700) [ 112.770139][ T858] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 112.770462][ T858] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 112.770844][ T858] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 112.771157][ T858] netif_set_mtu (net/core/dev.c:9652) [ 112.771478][ T858] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 112.771798][ T858] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 112.772036][ T858] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 112.772463][ T858] br_del_if (net/bridge/br_if.c:743) bridge [ 112.772847][ T858] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 112.773152][ T858] do_set_master (net/core/rtnetlink.c:2932) [ 112.773469][ T858] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 112.773779][ T858] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 112.774174][ T858] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 112.774497][ T858] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 112.774805][ T858] ? __kernel_text_address (kernel/extable.c:79) [ 112.775113][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.775435][ T858] ? __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) [ 112.775740][ T858] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 112.776122][ T858] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 112.776437][ T858] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 112.776741][ T858] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 112.777044][ T858] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 112.777349][ T858] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 112.777661][ T858] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 112.777963][ T858] ? __create_object (mm/kmemleak.c:771) [ 112.778270][ T858] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 112.778599][ T858] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 112.778902][ T858] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 112.779279][ T858] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 112.779603][ T858] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 112.779912][ T858] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.780215][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.780539][ T858] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 112.780847][ T858] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 112.781155][ T858] ? __lock_release (kernel/locking/lockdep.c:5539) [ 112.781469][ T858] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.781771][ T858] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 112.782075][ T858] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.782382][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.782718][ T858] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 112.783026][ T858] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.783337][ T858] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 112.783679][ T858] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 112.783986][ T858] ? 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) [ 112.784293][ T858] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 112.784614][ T858] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 112.784920][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.785230][ T858] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 112.785553][ T858] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 112.785860][ T858] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 112.786171][ T858] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 112.786497][ T858] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 112.786803][ T858] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 112.787193][ T858] ___sys_sendmsg (net/socket.c:2670) [ 112.787502][ T858] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 112.787809][ T858] ? __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) [ 112.788189][ T858] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 112.788504][ T858] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 112.788813][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.789122][ T858] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 112.789436][ T858] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 112.789740][ T858] ? __lock_release (kernel/locking/lockdep.c:5539) [ 112.790052][ T858] __sys_sendmsg (net/socket.c:2700) [ 112.790357][ T858] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 112.790750][ T858] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 112.791068][ T858] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 112.791372][ T858] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 112.791686][ T858] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 112.792073][ T858] RIP: 0033:0x7f992fc6b1e7 [ 112.792387][ T858] 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) [ 112.793514][ T858] RSP: 002b:00007fff76b12ab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 112.793972][ T858] RAX: ffffffffffffffda RBX: 00007fff76b131e0 RCX: 00007f992fc6b1e7 [ 112.794447][ T858] RDX: 0000000000000000 RSI: 00007fff76b12b20 RDI: 0000000000000005 [ 112.794913][ T858] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 112.795366][ T858] R10: 00007f992fb68ee8 R11: 0000000000000246 R12: 0000000000000003 [ 112.795829][ T858] R13: 00000000686e707c R14: 0000000000499600 R15: 0000000000000000 | [ 113.104425][ T862] ------------[ cut here ]------------ | [ 113.104766][ T862] WARNING: CPU: 0 PID: 862 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) | [ 113.105335][ T862] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 113.106527][ T862] Tainted: [W]=WARN [ 113.106735][ T862] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.107082][ T862] 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) [ 113.107367][ T862] 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 [ 113.108415][ T862] RSP: 0018:ffffc900011cf140 EFLAGS: 00010246 [ 113.108789][ T862] RAX: 0000000000000000 RBX: ffff888008f74000 RCX: 0000000000000001 [ 113.109236][ T862] RDX: 0000000000000000 RSI: ffffffffb709b939 RDI: ffffffffb68555e0 [ 113.109709][ T862] RBP: ffffc900011cf230 R08: ffff888010555000 R09: 0000000000000000 [ 113.110161][ T862] R10: ffffc900011cf5c8 R11: ffffffffb7e50668 R12: 1ffff92000239e2c [ 113.110830][ T862] R13: 00000000000005dc R14: ffffc900011cf880 R15: ffff88800eb4bbe0 [ 113.111280][ T862] FS: 00007f7570a19800(0000) GS:ffff88807d0b7000(0000) knlGS:0000000000000000 [ 113.111934][ T862] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.112312][ T862] CR2: 00000000004e5ab0 CR3: 000000000c366005 CR4: 0000000000772ef0 [ 113.112779][ T862] PKRU: 55555554 [ 113.113004][ T862] Call Trace: [ 113.113224][ T862] [ 113.113373][ T862] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.113694][ T862] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 113.113991][ T862] ? __lock_release (kernel/locking/lockdep.c:5539) [ 113.114289][ T862] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 113.114591][ T862] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 113.114899][ T862] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 113.115197][ T862] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 113.115507][ T862] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 113.115882][ T862] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 113.116178][ T862] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 113.116479][ T862] ? __kernel_text_address (kernel/extable.c:79) [ 113.116793][ T862] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.117077][ T862] ? __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) [ 113.117354][ T862] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 113.117755][ T862] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.118046][ T862] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.118348][ T862] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 113.118630][ T862] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 113.118905][ T862] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.119186][ T862] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 113.119471][ T862] ? __create_object (mm/kmemleak.c:771) [ 113.119747][ T862] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 113.120063][ T862] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 113.120360][ T862] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 113.120737][ T862] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 113.121043][ T862] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 113.121345][ T862] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.121665][ T862] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.121974][ T862] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.122275][ T862] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 113.122591][ T862] ? __lock_release (kernel/locking/lockdep.c:5539) [ 113.122887][ T862] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.123183][ T862] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 113.123492][ T862] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.123797][ T862] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.124099][ T862] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 113.124398][ T862] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.124704][ T862] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 113.124990][ T862] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 113.125263][ T862] ? 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) [ 113.125562][ T862] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 113.125849][ T862] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 113.126125][ T862] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.126414][ T862] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 113.126696][ T862] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 113.126973][ T862] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 113.127261][ T862] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 113.127550][ T862] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 113.127824][ T862] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 113.128184][ T862] ___sys_sendmsg (net/socket.c:2670) [ 113.128464][ T862] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 113.128737][ T862] ? __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) [ 113.129078][ T862] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 113.129358][ T862] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.129672][ T862] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.129960][ T862] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.130244][ T862] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 113.130525][ T862] ? __lock_release (kernel/locking/lockdep.c:5539) [ 113.130806][ T862] __sys_sendmsg (net/socket.c:2700) [ 113.131080][ T862] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 113.131425][ T862] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 113.131712][ T862] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.131987][ T862] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 113.132269][ T862] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 113.132626][ T862] RIP: 0033:0x7f7570be61e7 [ 113.132912][ T862] 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) [ 113.133906][ T862] RSP: 002b:00007fff12145d08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 113.134328][ T862] RAX: ffffffffffffffda RBX: 00007fff12146430 RCX: 00007f7570be61e7 [ 113.134747][ T862] RDX: 0000000000000000 RSI: 00007fff12145d70 RDI: 0000000000000005 [ 113.135164][ T862] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 113.135582][ T862] R10: 00007f7570ae3ee8 R11: 0000000000000246 R12: 0000000000000004 [ 113.135997][ T862] R13: 00000000686e707c R14: 0000000000499600 R15: 0000000000000000 | [ 113.517143][ T868] ------------[ cut here ]------------ | [ 113.517529][ T868] WARNING: CPU: 2 PID: 868 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) | [ 113.518150][ T868] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 113.519466][ T868] Tainted: [W]=WARN [ 113.519723][ T868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.520121][ T868] 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) [ 113.520469][ T868] 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 [ 113.521585][ T868] RSP: 0018:ffffc9000121ef70 EFLAGS: 00010246 [ 113.521987][ T868] RAX: 0000000000000000 RBX: ffff8880052c2000 RCX: 0000000000000001 [ 113.522469][ T868] RDX: 0000000000000000 RSI: ffffffffb709b939 RDI: ffffffffb68555e0 [ 113.522948][ T868] RBP: ffffc9000121f058 R08: 0000000000000000 R09: 0000000000000000 [ 113.523432][ T868] R10: ffffc9000121f088 R11: ffffffffb7579160 R12: 1ffff92000243df2 [ 113.523918][ T868] R13: 00000000000005dc R14: ffffc9000121f088 R15: ffff8880052c2f08 [ 113.524386][ T868] FS: 00007f0968d1b800(0000) GS:ffff88807d1b7000(0000) knlGS:0000000000000000 [ 113.524954][ T868] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.525349][ T868] CR2: 00000000004e73c0 CR3: 00000000106cd002 CR4: 0000000000772ef0 [ 113.525844][ T868] PKRU: 55555554 [ 113.526091][ T868] Call Trace: [ 113.526332][ T868] [ 113.526523][ T868] ? __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) [ 113.526921][ T868] ? br_del_if (net/bridge/br_if.c:742) bridge [ 113.527279][ T868] ? do_set_master (net/core/rtnetlink.c:2932) [ 113.527619][ T868] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 113.527938][ T868] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 113.528255][ T868] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 113.528801][ T868] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 113.529322][ T868] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 113.529919][ T868] ? ___sys_sendmsg (net/socket.c:2670) [ 113.530243][ T868] ? __sys_sendmsg (net/socket.c:2700) [ 113.530581][ T868] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 113.530898][ T868] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 113.531286][ T868] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.531633][ T868] netif_set_mtu (net/core/dev.c:9652) [ 113.531961][ T868] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 113.532299][ T868] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 113.532588][ T868] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 113.533032][ T868] br_del_if (net/bridge/br_if.c:743) bridge [ 113.533374][ T868] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 113.533726][ T868] do_set_master (net/core/rtnetlink.c:2932) [ 113.534047][ T868] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 113.534377][ T868] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 113.534799][ T868] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 113.535117][ T868] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 113.535461][ T868] ? __kernel_text_address (kernel/extable.c:79) [ 113.535785][ T868] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.536104][ T868] ? __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) [ 113.536449][ T868] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 113.536847][ T868] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.537166][ T868] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.537511][ T868] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 113.537831][ T868] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 113.538147][ T868] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.538489][ T868] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 113.538807][ T868] ? __create_object (mm/kmemleak.c:771) [ 113.539126][ T868] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 113.539486][ T868] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 113.539805][ T868] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 113.540196][ T868] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 113.540556][ T868] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 113.540880][ T868] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.541195][ T868] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.541571][ T868] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.541902][ T868] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 113.542218][ T868] ? __lock_release (kernel/locking/lockdep.c:5539) [ 113.542569][ T868] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.542896][ T868] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 113.543212][ T868] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.543558][ T868] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.543883][ T868] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 113.544200][ T868] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.544553][ T868] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 113.544885][ T868] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 113.545197][ T868] ? 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) [ 113.545544][ T868] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 113.545863][ T868] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 113.546180][ T868] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.546526][ T868] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 113.546859][ T868] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 113.547176][ T868] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 113.547525][ T868] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 113.547846][ T868] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 113.548160][ T868] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 113.548596][ T868] ___sys_sendmsg (net/socket.c:2670) [ 113.548913][ T868] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 113.549234][ T868] ? __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) [ 113.549657][ T868] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 113.549977][ T868] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.550298][ T868] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.550643][ T868] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.550963][ T868] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 113.551277][ T868] ? __lock_release (kernel/locking/lockdep.c:5539) [ 113.551629][ T868] __sys_sendmsg (net/socket.c:2700) [ 113.551945][ T868] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 113.552335][ T868] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 113.552707][ T868] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.553032][ T868] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 113.553349][ T868] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 113.553764][ T868] RIP: 0033:0x7f0968ee81e7 [ 113.554099][ T868] 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) [ 113.555227][ T868] RSP: 002b:00007ffcf21f2988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 113.555726][ T868] RAX: ffffffffffffffda RBX: 00007ffcf21f30b0 RCX: 00007f0968ee81e7 [ 113.556203][ T868] RDX: 0000000000000000 RSI: 00007ffcf21f29f0 RDI: 0000000000000005 [ 113.556705][ T868] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 113.557172][ T868] R10: 00007f0968de5ee8 R11: 0000000000000246 R12: 0000000000000003 [ 113.557666][ T868] R13: 00000000686e707d R14: 0000000000499600 R15: 0000000000000000 | [ 114.043663][ T874] ------------[ cut here ]------------ | [ 114.044015][ T874] WARNING: CPU: 2 PID: 874 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) | [ 114.045598][ T874] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 114.046893][ T874] Tainted: [W]=WARN [ 114.047138][ T874] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 114.047554][ T874] 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) [ 114.047922][ T874] 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 [ 114.049041][ T874] RSP: 0018:ffffc9000127ef70 EFLAGS: 00010246 [ 114.049453][ T874] RAX: 0000000000000000 RBX: ffff88800e87a000 RCX: 0000000000000001 [ 114.049920][ T874] RDX: 0000000000000000 RSI: ffffffffb709b939 RDI: ffffffffb68555e0 [ 114.050399][ T874] RBP: ffffc9000127f058 R08: 0000000000000000 R09: 0000000000000000 [ 114.050881][ T874] R10: ffffc9000127f088 R11: ffffffffb7579160 R12: 1ffff9200024fdf2 [ 114.051361][ T874] R13: 00000000000005dc R14: ffffc9000127f088 R15: ffff88800e87af08 [ 114.051861][ T874] FS: 00007f68fe56f800(0000) GS:ffff88807d1b7000(0000) knlGS:0000000000000000 [ 114.052456][ T874] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.052867][ T874] CR2: 00000000004e73b8 CR3: 000000000c130005 CR4: 0000000000772ef0 [ 114.053343][ T874] PKRU: 55555554 [ 114.053596][ T874] Call Trace: [ 114.053840][ T874] [ 114.054007][ T874] ? __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) [ 114.054415][ T874] ? br_del_if (net/bridge/br_if.c:742) bridge [ 114.054787][ T874] ? do_set_master (net/core/rtnetlink.c:2932) [ 114.055115][ T874] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 114.055470][ T874] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 114.055825][ T874] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 114.056251][ T874] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 114.056595][ T874] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 114.056913][ T874] ? ___sys_sendmsg (net/socket.c:2670) [ 114.057226][ T874] ? __sys_sendmsg (net/socket.c:2700) [ 114.057552][ T874] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 114.057891][ T874] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 114.058284][ T874] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.058624][ T874] netif_set_mtu (net/core/dev.c:9652) [ 114.058945][ T874] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 114.059286][ T874] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 114.059560][ T874] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 114.060029][ T874] br_del_if (net/bridge/br_if.c:743) bridge [ 114.060382][ T874] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 114.060715][ T874] do_set_master (net/core/rtnetlink.c:2932) [ 114.061044][ T874] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 114.061391][ T874] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 114.061813][ T874] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 114.062132][ T874] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 114.062458][ T874] ? __kernel_text_address (kernel/extable.c:79) [ 114.062794][ T874] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.063119][ T874] ? __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) [ 114.063469][ T874] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 114.063893][ T874] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.064218][ T874] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.064572][ T874] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 114.064888][ T874] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 114.065206][ T874] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.065533][ T874] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 114.065850][ T874] ? __create_object (mm/kmemleak.c:771) [ 114.066172][ T874] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 114.066513][ T874] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 114.066844][ T874] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 114.067237][ T874] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 114.067591][ T874] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 114.067942][ T874] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.068259][ T874] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.068597][ T874] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.068917][ T874] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 114.069242][ T874] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.069572][ T874] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.069889][ T874] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 114.070206][ T874] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.070540][ T874] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.070915][ T874] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 114.071233][ T874] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.071579][ T874] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 114.071946][ T874] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 114.072262][ T874] ? 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) [ 114.072607][ T874] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 114.072930][ T874] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 114.073246][ T874] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.073580][ T874] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 114.073905][ T874] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 114.074226][ T874] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 114.074563][ T874] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 114.074887][ T874] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 114.075206][ T874] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 114.075646][ T874] ___sys_sendmsg (net/socket.c:2670) [ 114.075987][ T874] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 114.076304][ T874] ? __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) [ 114.076719][ T874] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 114.077041][ T874] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.077362][ T874] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.077695][ T874] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.078013][ T874] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 114.078334][ T874] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.078676][ T874] __sys_sendmsg (net/socket.c:2700) [ 114.078997][ T874] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 114.079393][ T874] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 114.079759][ T874] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.080106][ T874] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 114.080437][ T874] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 114.080829][ T874] RIP: 0033:0x7f68fe73c1e7 [ 114.081157][ T874] 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) [ 114.082271][ T874] RSP: 002b:00007ffe822cdac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.082766][ T874] RAX: ffffffffffffffda RBX: 00007ffe822ce1f0 RCX: 00007f68fe73c1e7 [ 114.083238][ T874] RDX: 0000000000000000 RSI: 00007ffe822cdb30 RDI: 0000000000000005 [ 114.083796][ T874] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 114.084309][ T874] R10: 00007f68fe639ee8 R11: 0000000000000246 R12: 0000000000000003 [ 114.084797][ T874] R13: 00000000686e707d R14: 0000000000499600 R15: 0000000000000000 | [ 114.395079][ T878] ------------[ cut here ]------------ | [ 114.395604][ T878] WARNING: CPU: 2 PID: 878 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) | [ 114.396170][ T878] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 114.397366][ T878] Tainted: [W]=WARN [ 114.397602][ T878] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 114.397969][ T878] 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) [ 114.398267][ T878] 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 [ 114.399273][ T878] RSP: 0018:ffffc9000128f140 EFLAGS: 00010246 [ 114.399642][ T878] RAX: 0000000000000000 RBX: ffff888009474000 RCX: 0000000000000001 [ 114.400071][ T878] RDX: 0000000000000000 RSI: ffffffffb709b939 RDI: ffffffffb68555e0 [ 114.400505][ T878] RBP: ffffc9000128f230 R08: ffff88800b4fb800 R09: 0000000000000000 [ 114.400927][ T878] R10: ffffc9000128f5c8 R11: ffffffffb7e50668 R12: 1ffff92000251e2c [ 114.401353][ T878] R13: 00000000000005dc R14: ffffc9000128f880 R15: ffff8880096dea60 [ 114.401793][ T878] FS: 00007f588b6f7800(0000) GS:ffff88807d1b7000(0000) knlGS:0000000000000000 [ 114.402287][ T878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.402674][ T878] CR2: 00000000004e5aa8 CR3: 000000000e3c1006 CR4: 0000000000772ef0 [ 114.403102][ T878] PKRU: 55555554 [ 114.403323][ T878] Call Trace: [ 114.403555][ T878] [ 114.403710][ T878] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.404003][ T878] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 114.404291][ T878] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.404593][ T878] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 114.404885][ T878] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 114.405178][ T878] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 114.405485][ T878] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 114.405788][ T878] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 114.406149][ T878] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 114.406449][ T878] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 114.406743][ T878] ? __kernel_text_address (kernel/extable.c:79) [ 114.407033][ T878] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.407326][ T878] ? __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) [ 114.407635][ T878] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 114.407989][ T878] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.408280][ T878] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.408581][ T878] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 114.408872][ T878] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 114.409159][ T878] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.409457][ T878] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 114.409744][ T878] ? __create_object (mm/kmemleak.c:771) [ 114.410043][ T878] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 114.410331][ T878] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 114.410628][ T878] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 114.410981][ T878] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 114.411277][ T878] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 114.411575][ T878] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.411964][ T878] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.412265][ T878] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.412582][ T878] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 114.412876][ T878] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.413166][ T878] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.413459][ T878] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 114.413751][ T878] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.414049][ T878] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.414342][ T878] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 114.414645][ T878] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.414937][ T878] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 114.415236][ T878] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 114.415530][ T878] ? 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) [ 114.415818][ T878] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 114.416112][ T878] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 114.416399][ T878] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.416707][ T878] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 114.417000][ T878] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 114.417286][ T878] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 114.417590][ T878] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 114.417882][ T878] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 114.418167][ T878] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 114.418551][ T878] ___sys_sendmsg (net/socket.c:2670) [ 114.418846][ T878] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 114.419137][ T878] ? __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) [ 114.419505][ T878] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 114.419794][ T878] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.420087][ T878] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.420447][ T878] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.420741][ T878] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 114.421034][ T878] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.421330][ T878] __sys_sendmsg (net/socket.c:2700) [ 114.421629][ T878] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 114.421987][ T878] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 114.422284][ T878] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.422590][ T878] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 114.422884][ T878] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 114.423235][ T878] RIP: 0033:0x7f588b8c41e7 [ 114.423549][ T878] 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) [ 114.424551][ T878] RSP: 002b:00007fffb8cdd5a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.424978][ T878] RAX: ffffffffffffffda RBX: 00007fffb8cddcd0 RCX: 00007f588b8c41e7 [ 114.425418][ T878] RDX: 0000000000000000 RSI: 00007fffb8cdd610 RDI: 0000000000000005 [ 114.425842][ T878] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 114.426265][ T878] R10: 00007f588b7c1ee8 R11: 0000000000000246 R12: 0000000000000004 [ 114.426697][ T878] R13: 00000000686e707e R14: 0000000000499600 R15: 0000000000000000 | [ 115.665335][ T892] ------------[ cut here ]------------ | [ 115.665658][ T892] WARNING: CPU: 3 PID: 892 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) | [ 115.666208][ T892] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 115.667359][ T892] Tainted: [W]=WARN [ 115.667588][ T892] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 115.667935][ T892] 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) [ 115.668218][ T892] 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 [ 115.669223][ T892] RSP: 0018:ffffc9000103f140 EFLAGS: 00010246 [ 115.669586][ T892] RAX: 0000000000000000 RBX: ffff88800b401000 RCX: 0000000000000001 [ 115.670014][ T892] RDX: 0000000000000000 RSI: ffffffffb709b939 RDI: ffffffffb68555e0 [ 115.670442][ T892] RBP: ffffc9000103f230 R08: ffff8880091aa000 R09: 0000000000000000 [ 115.670865][ T892] R10: ffffc9000103f5c8 R11: ffffffffb7e50668 R12: 1ffff92000207e2c [ 115.671289][ T892] R13: 00000000000005dc R14: ffffc9000103f880 R15: ffff88800a132a60 [ 115.671733][ T892] FS: 00007f7ce9786800(0000) GS:ffff88807d237000(0000) knlGS:0000000000000000 [ 115.672242][ T892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 115.672878][ T892] CR2: 00000000004e5ab8 CR3: 000000000a80e003 CR4: 0000000000772ef0 [ 115.673295][ T892] PKRU: 55555554 [ 115.673681][ T892] Call Trace: [ 115.673892][ T892] [ 115.674031][ T892] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 115.674315][ T892] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 115.674746][ T892] ? __lock_release (kernel/locking/lockdep.c:5539) [ 115.675041][ T892] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 115.675328][ T892] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 115.675627][ T892] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 115.675922][ T892] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 115.676214][ T892] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 115.676592][ T892] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 115.676884][ T892] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 115.677173][ T892] ? __kernel_text_address (kernel/extable.c:79) [ 115.677471][ T892] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.677768][ T892] ? __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) [ 115.678056][ T892] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 115.678433][ T892] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 115.678727][ T892] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 115.679015][ T892] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 115.679303][ T892] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 115.679600][ T892] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 115.679892][ T892] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 115.680181][ T892] ? __create_object (mm/kmemleak.c:771) [ 115.680465][ T892] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 115.680775][ T892] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 115.681053][ T892] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 115.681392][ T892] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 115.681682][ T892] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 115.681965][ T892] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.682238][ T892] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.682533][ T892] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 115.682822][ T892] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 115.683100][ T892] ? __lock_release (kernel/locking/lockdep.c:5539) [ 115.683374][ T892] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.683657][ T892] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 115.683935][ T892] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.684212][ T892] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.684498][ T892] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 115.684779][ T892] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.685055][ T892] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 115.685341][ T892] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 115.685622][ T892] ? 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) [ 115.685902][ T892] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 115.686178][ T892] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 115.686462][ T892] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.686743][ T892] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 115.687025][ T892] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 115.687299][ T892] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 115.687592][ T892] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 115.687877][ T892] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 115.688148][ T892] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 115.688509][ T892] ___sys_sendmsg (net/socket.c:2670) [ 115.688785][ T892] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 115.689061][ T892] ? __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) [ 115.689412][ T892] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 115.689694][ T892] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 115.689974][ T892] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.690252][ T892] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 115.690537][ T892] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 115.690820][ T892] ? __lock_release (kernel/locking/lockdep.c:5539) [ 115.691107][ T892] __sys_sendmsg (net/socket.c:2700) [ 115.691384][ T892] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 115.691732][ T892] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 115.692017][ T892] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 115.692293][ T892] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 115.692585][ T892] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 115.692930][ T892] RIP: 0033:0x7f7ce99531e7 [ 115.693215][ T892] 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) [ 115.694205][ T892] RSP: 002b:00007ffdb1deda98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 115.694629][ T892] RAX: ffffffffffffffda RBX: 00007ffdb1dee1c0 RCX: 00007f7ce99531e7 [ 115.695046][ T892] RDX: 0000000000000000 RSI: 00007ffdb1dedb00 RDI: 0000000000000005 [ 115.695469][ T892] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 115.695885][ T892] R10: 00007f7ce9850ee8 R11: 0000000000000246 R12: 0000000000000004 [ 115.696295][ T892] R13: 00000000686e707f R14: 0000000000499600 R15: 0000000000000000 | [ 116.844300][ T904] ------------[ cut here ]------------ | [ 116.844652][ T904] WARNING: CPU: 3 PID: 904 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) | [ 116.845231][ T904] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 116.846446][ T904] Tainted: [W]=WARN [ 116.846669][ T904] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 116.847034][ T904] 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) [ 116.847335][ T904] 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 [ 116.848387][ T904] RSP: 0018:ffffc9000136f140 EFLAGS: 00010246 [ 116.848771][ T904] RAX: 0000000000000000 RBX: ffff888007fe4000 RCX: 0000000000000001 [ 116.849215][ T904] RDX: 0000000000000000 RSI: ffffffffb709b939 RDI: ffffffffb68555e0 [ 116.849660][ T904] RBP: ffffc9000136f230 R08: ffff8880098ce800 R09: 0000000000000000 [ 116.850103][ T904] R10: ffffc9000136f5c8 R11: ffffffffb7e50668 R12: 1ffff9200026de2c [ 116.851006][ T904] R13: 00000000000005dc R14: ffffc9000136f880 R15: ffff88800eb498e0 [ 116.851456][ T904] FS: 00007f04b6d25800(0000) GS:ffff88807d237000(0000) knlGS:0000000000000000 [ 116.851963][ T904] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 116.852325][ T904] CR2: 00000000004e5aa0 CR3: 0000000005000004 CR4: 0000000000772ef0 [ 116.852783][ T904] PKRU: 55555554 [ 116.853006][ T904] Call Trace: [ 116.853221][ T904] [ 116.853369][ T904] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 116.853675][ T904] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 116.853967][ T904] ? __lock_release (kernel/locking/lockdep.c:5539) [ 116.854261][ T904] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 116.854563][ T904] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 116.854855][ T904] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 116.855152][ T904] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 116.855464][ T904] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 116.855835][ T904] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 116.856121][ T904] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 116.856420][ T904] ? __kernel_text_address (kernel/extable.c:79) [ 116.856719][ T904] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.857012][ T904] ? __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) [ 116.857307][ T904] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 116.857684][ T904] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 116.857978][ T904] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 116.858267][ T904] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 116.858568][ T904] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 116.858862][ T904] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 116.859151][ T904] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 116.859444][ T904] ? __create_object (mm/kmemleak.c:771) [ 116.859742][ T904] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 116.860035][ T904] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 116.860329][ T904] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 116.860703][ T904] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 116.861005][ T904] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 116.861300][ T904] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.861629][ T904] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.861932][ T904] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 116.862223][ T904] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 116.862529][ T904] ? __lock_release (kernel/locking/lockdep.c:5539) [ 116.862838][ T904] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.863126][ T904] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 116.863439][ T904] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.863734][ T904] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.864027][ T904] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 116.864318][ T904] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.864622][ T904] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 116.864926][ T904] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 116.865216][ T904] ? 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) [ 116.865526][ T904] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 116.865822][ T904] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 116.866111][ T904] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.866417][ T904] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 116.866702][ T904] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 116.866992][ T904] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 116.867291][ T904] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 116.867605][ T904] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 116.867893][ T904] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 116.868258][ T904] ___sys_sendmsg (net/socket.c:2670) [ 116.868553][ T904] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 116.868831][ T904] ? __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) [ 116.869173][ T904] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 116.869460][ T904] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 116.869748][ T904] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.870027][ T904] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 116.870301][ T904] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 116.870584][ T904] ? __lock_release (kernel/locking/lockdep.c:5539) [ 116.870866][ T904] __sys_sendmsg (net/socket.c:2700) [ 116.871139][ T904] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 116.871487][ T904] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 116.871790][ T904] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 116.872081][ T904] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 116.872372][ T904] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 116.872755][ T904] RIP: 0033:0x7f04b6ef21e7 [ 116.873056][ T904] 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) [ 116.874098][ T904] RSP: 002b:00007fffbf8946a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 116.874546][ T904] RAX: ffffffffffffffda RBX: 00007fffbf894dd0 RCX: 00007f04b6ef21e7 [ 116.874976][ T904] RDX: 0000000000000000 RSI: 00007fffbf894710 RDI: 0000000000000005 [ 116.875386][ T904] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 116.875815][ T904] R10: 00007f04b6defee8 R11: 0000000000000246 R12: 0000000000000004 Finger prints: netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if