====================================== | xx__-> [ 15.275621][ T251] ip (251) used greatest stack depth: 24024 bytes left | [ 17.961924][ T299] ------------[ cut here ]------------ | [ 17.962397][ T299] WARNING: CPU: 0 PID: 299 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) | [ 17.963003][ T299] Modules linked in: vrf veth [ 17.963893][ T299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.964262][ T299] 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) [ 17.964573][ T299] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 17.965629][ T299] RSP: 0018:ffffc900005d7140 EFLAGS: 00010246 [ 17.966031][ T299] RAX: 0000000000000000 RBX: ffff8880072e9000 RCX: 0000000000000001 [ 17.966496][ T299] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 17.966951][ T299] RBP: ffffc900005d7230 R08: ffff88800bfc8800 R09: 0000000000000000 [ 17.967413][ T299] R10: ffffc900005d75c8 R11: ffffffffb7450668 R12: 1ffff920000bae2c [ 17.967875][ T299] R13: 00000000000026ac R14: ffffc900005d7880 R15: ffff888005b28e60 [ 17.968317][ T299] FS: 00007fb4bb315800(0000) GS:ffff88807dab7000(0000) knlGS:0000000000000000 [ 17.968859][ T299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.969242][ T299] CR2: 00000000004e5aa0 CR3: 00000000056d9001 CR4: 0000000000772ef0 [ 17.969686][ T299] PKRU: 55555554 [ 17.969933][ T299] Call Trace: [ 17.970179][ T299] [ 17.970347][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 17.970884][ T299] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 17.971179][ T299] ? __lock_release (kernel/locking/lockdep.c:5539) [ 17.971489][ T299] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 17.971810][ T299] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 17.972109][ T299] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 17.972428][ T299] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 17.972732][ T299] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 17.973112][ T299] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.973407][ T299] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 17.973700][ T299] ? __kernel_text_address (kernel/extable.c:79) [ 17.974005][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 17.974301][ T299] ? __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) [ 17.974592][ T299] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 17.974958][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 17.975254][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 17.975547][ T299] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 17.975846][ T299] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 17.976157][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 17.976452][ T299] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 17.976743][ T299] ? __create_object (mm/kmemleak.c:771) [ 17.977053][ T299] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 17.977347][ T299] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 17.977637][ T299] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 17.978018][ T299] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 17.978316][ T299] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 17.978624][ T299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 17.978928][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 17.979229][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 17.979523][ T299] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 17.979825][ T299] ? __lock_release (kernel/locking/lockdep.c:5539) [ 17.980121][ T299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 17.980416][ T299] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 17.980709][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 17.981017][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 17.981314][ T299] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 17.981609][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 17.981915][ T299] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 17.982227][ T299] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 17.982521][ T299] ? 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) [ 17.982853][ T299] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 17.983143][ T299] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 17.983425][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 17.983716][ T299] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 17.984018][ T299] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 17.984318][ T299] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 17.984604][ T299] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 17.984940][ T299] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 17.985231][ T299] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 17.985605][ T299] ___sys_sendmsg (net/socket.c:2670) [ 17.985920][ T299] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 17.986217][ T299] ? __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) [ 17.986588][ T299] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 17.986909][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 17.987207][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 17.987506][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 17.987818][ T299] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 17.988110][ T299] ? __lock_release (kernel/locking/lockdep.c:5539) [ 17.988407][ T299] __sys_sendmsg (net/socket.c:2700) [ 17.988697][ T299] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 17.989071][ T299] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 17.989378][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 17.989672][ T299] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 17.989978][ T299] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 17.990340][ T299] RIP: 0033:0x7fb4bb4e21e7 [ 17.990648][ T299] 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) [ 17.991715][ T299] RSP: 002b:00007ffde1d489a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 17.992169][ T299] RAX: ffffffffffffffda RBX: 00007ffde1d490d0 RCX: 00007fb4bb4e21e7 [ 17.992614][ T299] RDX: 0000000000000000 RSI: 00007ffde1d48a10 RDI: 0000000000000005 [ 17.993075][ T299] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 17.993520][ T299] R10: 00007fb4bb3dfee8 R11: 0000000000000246 R12: 0000000000000004 [ 17.993982][ T299] R13: 00000000686e17de R14: 0000000000499600 R15: 0000000000000000 | [ 21.245012][ T352] ------------[ cut here ]------------ | [ 21.245358][ T352] WARNING: CPU: 2 PID: 352 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) | [ 21.245945][ T352] Modules linked in: 8021q vrf veth | [ 21.246834][ T352] Tainted: [W]=WARN [ 21.247060][ T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.247418][ T352] 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) [ 21.247714][ T352] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 21.249895][ T352] RSP: 0018:ffffc900007d7140 EFLAGS: 00010246 [ 21.250273][ T352] RAX: 0000000000000000 RBX: ffff888004ea4000 RCX: 0000000000000001 [ 21.250705][ T352] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 21.251152][ T352] RBP: ffffc900007d7230 R08: ffff88800515a000 R09: 0000000000000000 [ 21.251578][ T352] R10: ffffc900007d75c8 R11: ffffffffb7450668 R12: 1ffff920000fae2c [ 21.252012][ T352] R13: 00000000000026ac R14: ffffc900007d7880 R15: ffff88800ba58060 [ 21.252438][ T352] FS: 00007f6d16d3f800(0000) GS:ffff88807dbb7000(0000) knlGS:0000000000000000 [ 21.252941][ T352] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.253300][ T352] CR2: 00000000004e5ab8 CR3: 00000000050e9005 CR4: 0000000000772ef0 [ 21.253724][ T352] PKRU: 55555554 [ 21.253951][ T352] Call Trace: [ 21.254168][ T352] [ 21.254318][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.254615][ T352] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 21.254921][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) [ 21.255214][ T352] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 21.255503][ T352] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 21.255801][ T352] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 21.256109][ T352] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 21.256405][ T352] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 21.256766][ T352] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.257065][ T352] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 21.257350][ T352] ? __kernel_text_address (kernel/extable.c:79) [ 21.257643][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.257943][ T352] ? __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) [ 21.258231][ T352] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 21.258580][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 21.258879][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 21.259173][ T352] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 21.259459][ T352] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 21.259746][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.260040][ T352] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 21.260324][ T352] ? __create_object (mm/kmemleak.c:771) [ 21.260615][ T352] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 21.260918][ T352] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 21.261206][ T352] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 21.261561][ T352] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 21.261862][ T352] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 21.262158][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 21.262445][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.262738][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.263032][ T352] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 21.263318][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) [ 21.263606][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 21.263905][ T352] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 21.264193][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 21.264487][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.264778][ T352] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 21.265078][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 21.265364][ T352] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 21.265667][ T352] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 21.265978][ T352] ? 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) [ 21.266272][ T352] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 21.266567][ T352] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 21.266861][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.267153][ T352] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 21.267440][ T352] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 21.267727][ T352] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 21.268029][ T352] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 21.268331][ T352] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 21.268616][ T352] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 21.268992][ T352] ___sys_sendmsg (net/socket.c:2670) [ 21.269276][ T352] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 21.269562][ T352] ? __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) [ 21.269924][ T352] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 21.270221][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.270510][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.270812][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.271098][ T352] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 21.271384][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) [ 21.271676][ T352] __sys_sendmsg (net/socket.c:2700) [ 21.271985][ T352] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 21.272336][ T352] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 21.272643][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 21.272941][ T352] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 21.273230][ T352] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 21.273579][ T352] RIP: 0033:0x7f6d16f0c1e7 [ 21.273884][ T352] 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) [ 21.274885][ T352] RSP: 002b:00007ffc8048e888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 21.275311][ T352] RAX: ffffffffffffffda RBX: 00007ffc8048efb0 RCX: 00007f6d16f0c1e7 [ 21.275732][ T352] RDX: 0000000000000000 RSI: 00007ffc8048e8f0 RDI: 0000000000000005 [ 21.276175][ T352] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 21.276633][ T352] R10: 00007f6d16e09ee8 R11: 0000000000000246 R12: 0000000000000004 [ 21.277069][ T352] R13: 00000000686e17e2 R14: 0000000000499600 R15: 0000000000000000 | [ 23.395828][ T396] ------------[ cut here ]------------ | [ 23.396151][ T396] WARNING: CPU: 3 PID: 396 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 23.396716][ T396] Modules linked in: 8021q vrf veth | [ 23.398524][ T396] Tainted: [W]=WARN [ 23.398738][ T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.399094][ T396] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 23.399379][ T396] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 23.400366][ T396] RSP: 0018:ffffc900005f7140 EFLAGS: 00010246 [ 23.400717][ T396] RAX: 0000000000000000 RBX: ffff8880081c9000 RCX: 0000000000000001 [ 23.401136][ T396] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 23.401544][ T396] RBP: ffffc900005f7230 R08: ffff888008f28800 R09: 0000000000000000 [ 23.401963][ T396] R10: ffffc900005f75c8 R11: ffffffffb7450668 R12: 1ffff920000bee2c [ 23.402375][ T396] R13: 00000000000026ac R14: ffffc900005f7880 R15: ffff88800a9b0760 [ 23.402840][ T396] FS: 00007fd2566b1800(0000) GS:ffff88807dc37000(0000) knlGS:0000000000000000 [ 23.403319][ T396] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.403670][ T396] CR2: 00000000004e5aa8 CR3: 00000000098d4001 CR4: 0000000000772ef0 [ 23.404090][ T396] PKRU: 55555554 [ 23.404296][ T396] Call Trace: [ 23.404500][ T396] [ 23.404640][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.404933][ T396] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 23.405205][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.405482][ T396] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 23.405792][ T396] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 23.406089][ T396] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 23.406371][ T396] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 23.406650][ T396] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 23.407003][ T396] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.407282][ T396] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 23.407555][ T396] ? __kernel_text_address (kernel/extable.c:79) [ 23.407841][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.408118][ T396] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) [ 23.408396][ T396] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 23.408736][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.409021][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.409298][ T396] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 23.409597][ T396] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 23.409881][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.410160][ T396] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 23.410429][ T396] ? __create_object (mm/kmemleak.c:771) [ 23.410706][ T396] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 23.410992][ T396] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 23.411294][ T396] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 23.411637][ T396] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 23.411929][ T396] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 23.412233][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.412513][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.412806][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.413083][ T396] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 23.413355][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.413632][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.413913][ T396] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 23.414194][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.414472][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.414749][ T396] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 23.415047][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.415348][ T396] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 23.415635][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 23.415945][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 23.416224][ T396] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 23.416525][ T396] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 23.416817][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.417110][ T396] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 23.417404][ T396] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 23.417686][ T396] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 23.417992][ T396] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 23.418273][ T396] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 23.418548][ T396] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 23.418908][ T396] ___sys_sendmsg (net/socket.c:2670) [ 23.419201][ T396] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 23.419480][ T396] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) [ 23.419841][ T396] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 23.420132][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.420427][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.420715][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.421014][ T396] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 23.421291][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.421580][ T396] __sys_sendmsg (net/socket.c:2700) [ 23.421861][ T396] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 23.422217][ T396] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 23.422504][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.422811][ T396] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 23.423097][ T396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 23.423443][ T396] RIP: 0033:0x7fd25687e1e7 [ 23.423726][ T396] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 23.424720][ T396] RSP: 002b:00007ffe57e23c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 23.425145][ T396] RAX: ffffffffffffffda RBX: 00007ffe57e24340 RCX: 00007fd25687e1e7 [ 23.425558][ T396] RDX: 0000000000000000 RSI: 00007ffe57e23c80 RDI: 0000000000000005 [ 23.425990][ T396] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 23.426403][ T396] R10: 00007fd25677bee8 R11: 0000000000000246 R12: 0000000000000004 [ 23.426822][ T396] R13: 00000000686e17e4 R14: 0000000000499600 R15: 0000000000000000 | [ 23.901769][ T409] ------------[ cut here ]------------ | [ 23.902128][ T409] WARNING: CPU: 2 PID: 409 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) | [ 23.902686][ T409] Modules linked in: 8021q vrf veth | [ 23.903609][ T409] Tainted: [W]=WARN [ 23.903841][ T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.904194][ T409] 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) [ 23.904488][ T409] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 23.905487][ T409] RSP: 0018:ffffc900007d7140 EFLAGS: 00010246 [ 23.905856][ T409] RAX: 0000000000000000 RBX: ffff888004c61000 RCX: 0000000000000001 [ 23.906282][ T409] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 23.906704][ T409] RBP: ffffc900007d7230 R08: ffff8880053b6800 R09: 0000000000000000 [ 23.907136][ T409] R10: ffffc900007d75c8 R11: ffffffffb7450668 R12: 1ffff920000fae2c [ 23.907562][ T409] R13: 00000000000026ac R14: ffffc900007d7880 R15: ffff88800999b4e0 [ 23.908893][ T409] FS: 00007f284684e800(0000) GS:ffff88807dbb7000(0000) knlGS:0000000000000000 [ 23.909391][ T409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.909748][ T409] CR2: 00000000004e5ab0 CR3: 000000000a059002 CR4: 0000000000772ef0 [ 23.910186][ T409] PKRU: 55555554 [ 23.910405][ T409] Call Trace: [ 23.910621][ T409] [ 23.910771][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.911074][ T409] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 23.911362][ T409] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.911652][ T409] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 23.911947][ T409] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 23.912240][ T409] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 23.912528][ T409] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 23.912864][ T409] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 23.913229][ T409] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.913514][ T409] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 23.913808][ T409] ? __kernel_text_address (kernel/extable.c:79) [ 23.914127][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.914414][ T409] ? __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) [ 23.914702][ T409] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 23.915063][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.915355][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.915639][ T409] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 23.915939][ T409] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 23.916235][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.916524][ T409] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 23.916817][ T409] ? __create_object (mm/kmemleak.c:771) [ 23.917130][ T409] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 23.917416][ T409] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 23.917701][ T409] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 23.918063][ T409] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 23.918355][ T409] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 23.918647][ T409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.918969][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.919262][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.919548][ T409] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 23.919841][ T409] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.920132][ T409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.920414][ T409] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 23.920702][ T409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.921023][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.921316][ T409] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 23.921599][ T409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.921896][ T409] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 23.922193][ T409] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 23.922477][ T409] ? 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) [ 23.922778][ T409] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 23.923086][ T409] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 23.923369][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.923661][ T409] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 23.923962][ T409] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 23.924250][ T409] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 23.924540][ T409] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 23.924853][ T409] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 23.925142][ T409] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 23.925505][ T409] ___sys_sendmsg (net/socket.c:2670) [ 23.925798][ T409] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 23.926094][ T409] ? __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) [ 23.926444][ T409] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 23.926869][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.927160][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.927459][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.927744][ T409] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 23.928048][ T409] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.928342][ T409] __sys_sendmsg (net/socket.c:2700) [ 23.928629][ T409] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 23.928990][ T409] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 23.929289][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.929576][ T409] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 23.929894][ T409] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 23.930243][ T409] RIP: 0033:0x7f2846a1b1e7 [ 23.930542][ T409] 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) [ 23.931541][ T409] RSP: 002b:00007ffee3920ef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 23.931986][ T409] RAX: ffffffffffffffda RBX: 00007ffee3921620 RCX: 00007f2846a1b1e7 [ 23.932419][ T409] RDX: 0000000000000000 RSI: 00007ffee3920f60 RDI: 0000000000000005 [ 23.932854][ T409] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 23.933273][ T409] R10: 00007f2846918ee8 R11: 0000000000000246 R12: 0000000000000004 [ 23.933700][ T409] R13: 00000000686e17e4 R14: 0000000000499600 R15: 0000000000000000 | [ 25.292669][ T435] ------------[ cut here ]------------ | [ 25.293030][ T435] WARNING: CPU: 0 PID: 435 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) | [ 25.293672][ T435] Modules linked in: bridge stp llc 8021q vrf veth | [ 25.294764][ T435] Tainted: [W]=WARN [ 25.295039][ T435] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.295446][ T435] 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) [ 25.295791][ T435] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 25.296994][ T435] RSP: 0018:ffffc90000976ef0 EFLAGS: 00010246 [ 25.297410][ T435] RAX: 0000000000000000 RBX: ffff88800572a000 RCX: 0000000000000001 [ 25.297907][ T435] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 25.298399][ T435] RBP: ffffc90000976fe0 R08: 0000000000000000 R09: 0000000000000000 [ 25.299899][ T435] R10: ffffc90000977010 R11: ffffffffb74a8918 R12: 1ffff9200012ede2 [ 25.300389][ T435] R13: 00000000000026ac R14: ffffc90000977010 R15: ffff88800572af08 [ 25.300891][ T435] FS: 00007f49f6e39800(0000) GS:ffff88807dab7000(0000) knlGS:0000000000000000 [ 25.301463][ T435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.301881][ T435] CR2: 00000000004e5410 CR3: 0000000004eae005 CR4: 0000000000772ef0 [ 25.302377][ T435] PKRU: 55555554 [ 25.302620][ T435] Call Trace: [ 25.302875][ T435] [ 25.303046][ T435] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 25.303370][ T435] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.303698][ T435] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 25.304031][ T435] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 25.304435][ T435] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 25.304767][ T435] netif_set_mtu (net/core/dev.c:9652) [ 25.305104][ T435] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 25.305445][ T435] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 25.305918][ T435] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 25.306166][ T435] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 25.306593][ T435] br_add_if (net/bridge/br_if.c:697) bridge [ 25.306965][ T435] do_set_master (net/core/rtnetlink.c:2948) [ 25.307280][ T435] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 25.307592][ T435] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 25.307991][ T435] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.308297][ T435] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 25.308606][ T435] ? __kernel_text_address (kernel/extable.c:79) [ 25.308931][ T435] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.309250][ T435] ? __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) [ 25.309559][ T435] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 25.309965][ T435] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.310279][ T435] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.310584][ T435] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 25.310897][ T435] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 25.311207][ T435] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.311524][ T435] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 25.311835][ T435] ? __create_object (mm/kmemleak.c:771) [ 25.312144][ T435] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 25.312451][ T435] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 25.312757][ T435] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 25.313146][ T435] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 25.313459][ T435] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 25.313770][ T435] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 25.314100][ T435] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.314419][ T435] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.314724][ T435] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 25.315038][ T435] ? __lock_release (kernel/locking/lockdep.c:5539) [ 25.315347][ T435] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 25.315654][ T435] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 25.315996][ T435] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 25.316314][ T435] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.316625][ T435] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 25.316951][ T435] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 25.317266][ T435] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 25.317584][ T435] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 25.317897][ T435] ? 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) [ 25.318209][ T435] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 25.318520][ T435] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 25.318833][ T435] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.319150][ T435] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 25.319463][ T435] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 25.319773][ T435] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 25.320098][ T435] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 25.320406][ T435] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 25.320711][ T435] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 25.321112][ T435] ___sys_sendmsg (net/socket.c:2670) [ 25.321418][ T435] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 25.321731][ T435] ? __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) [ 25.322131][ T435] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 25.322447][ T435] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.322760][ T435] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.323079][ T435] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.323386][ T435] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 25.323691][ T435] ? __lock_release (kernel/locking/lockdep.c:5539) [ 25.324022][ T435] __sys_sendmsg (net/socket.c:2700) [ 25.324330][ T435] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 25.324708][ T435] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 25.325037][ T435] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.325345][ T435] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 25.325655][ T435] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 25.326057][ T435] RIP: 0033:0x7f49f70061e7 [ 25.326383][ T435] 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) [ 25.327486][ T435] RSP: 002b:00007ffd12302b58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 25.327962][ T435] RAX: ffffffffffffffda RBX: 00007ffd12303280 RCX: 00007f49f70061e7 [ 25.328433][ T435] RDX: 0000000000000000 RSI: 00007ffd12302bc0 RDI: 0000000000000005 [ 25.328925][ T435] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 25.329396][ T435] R10: 000000001c07a910 R11: 0000000000000246 R12: 0000000000000004 [ 25.329895][ T435] R13: 00000000686e17e6 R14: 0000000000499600 R15: 0000000000000000 | [ 25.503538][ T441] ------------[ cut here ]------------ | [ 25.503855][ T441] WARNING: CPU: 3 PID: 441 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) | [ 25.504457][ T441] Modules linked in: bridge stp llc 8021q vrf veth | [ 25.505485][ T441] Tainted: [W]=WARN [ 25.505715][ T441] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.506155][ T441] 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) [ 25.506474][ T441] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 25.507589][ T441] RSP: 0018:ffffc90000666ef0 EFLAGS: 00010246 [ 25.507991][ T441] RAX: 0000000000000000 RBX: ffff88800572a000 RCX: 0000000000000001 [ 25.508455][ T441] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 25.508934][ T441] RBP: ffffc90000666fe0 R08: 0000000000000000 R09: 0000000000000000 [ 25.509397][ T441] R10: ffffc90000667010 R11: ffffffffb74a8918 R12: 1ffff920000ccde2 [ 25.509875][ T441] R13: 00000000000026ac R14: ffffc90000667010 R15: ffff88800572af08 [ 25.510340][ T441] FS: 00007f96118cc800(0000) GS:ffff88807dc37000(0000) knlGS:0000000000000000 [ 25.510906][ T441] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.511297][ T441] CR2: 00000000004e5410 CR3: 0000000008ecb002 CR4: 0000000000772ef0 [ 25.511767][ T441] PKRU: 55555554 [ 25.512009][ T441] Call Trace: [ 25.512244][ T441] [ 25.512404][ T441] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 25.512715][ T441] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.513045][ T441] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 25.513356][ T441] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 25.513743][ T441] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 25.514072][ T441] netif_set_mtu (net/core/dev.c:9652) [ 25.514384][ T441] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 25.514705][ T441] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 25.515178][ T441] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 25.515412][ T441] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 25.515844][ T441] br_add_if (net/bridge/br_if.c:697) bridge [ 25.516209][ T441] do_set_master (net/core/rtnetlink.c:2948) [ 25.516525][ T441] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 25.516845][ T441] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 25.517233][ T441] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.517539][ T441] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 25.517881][ T441] ? __kernel_text_address (kernel/extable.c:79) [ 25.518197][ T441] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.518515][ T441] ? __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) [ 25.518839][ T441] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 25.519228][ T441] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.519539][ T441] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.519855][ T441] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 25.520163][ T441] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 25.520472][ T441] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.520793][ T441] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 25.521109][ T441] ? __create_object (mm/kmemleak.c:771) [ 25.521420][ T441] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 25.521732][ T441] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 25.522048][ T441] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 25.522433][ T441] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 25.522749][ T441] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 25.523072][ T441] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 25.523380][ T441] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.523698][ T441] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.524017][ T441] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 25.524323][ T441] ? __lock_release (kernel/locking/lockdep.c:5539) [ 25.524635][ T441] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 25.524953][ T441] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 25.525266][ T441] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 25.525577][ T441] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.525907][ T441] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 25.526224][ T441] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 25.526532][ T441] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 25.526867][ T441] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 25.527176][ T441] ? 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) [ 25.527489][ T441] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 25.527811][ T441] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 25.528128][ T441] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.528441][ T441] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 25.528755][ T441] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 25.529075][ T441] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 25.529395][ T441] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 25.529711][ T441] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 25.530030][ T441] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 25.530449][ T441] ___sys_sendmsg (net/socket.c:2670) [ 25.530758][ T441] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 25.531077][ T441] ? __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) [ 25.531465][ T441] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 25.531777][ T441] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.532098][ T441] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.532415][ T441] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.532726][ T441] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 25.533050][ T441] ? __lock_release (kernel/locking/lockdep.c:5539) [ 25.533366][ T441] __sys_sendmsg (net/socket.c:2700) [ 25.533674][ T441] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 25.534067][ T441] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 25.534389][ T441] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.534703][ T441] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 25.535024][ T441] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 25.535416][ T441] RIP: 0033:0x7f9611a991e7 [ 25.535738][ T441] 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) [ 25.536869][ T441] RSP: 002b:00007ffe699f2288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 25.537342][ T441] RAX: ffffffffffffffda RBX: 00007ffe699f29b0 RCX: 00007f9611a991e7 [ 25.537816][ T441] RDX: 0000000000000000 RSI: 00007ffe699f22f0 RDI: 0000000000000005 [ 25.538284][ T441] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 25.538747][ T441] R10: 00000000281eb910 R11: 0000000000000246 R12: 0000000000000004 [ 25.539227][ T441] R13: 00000000686e17e6 R14: 0000000000499600 R15: 0000000000000000 | [ 27.161814][ T482] ------------[ cut here ]------------ | [ 27.162133][ T482] WARNING: CPU: 3 PID: 482 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) | [ 27.162739][ T482] Modules linked in: bridge stp llc 8021q vrf veth | [ 27.164887][ T482] Tainted: [W]=WARN [ 27.165121][ T482] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.165506][ T482] 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) [ 27.165833][ T482] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 27.166960][ T482] RSP: 0018:ffffc90000696ef0 EFLAGS: 00010246 [ 27.167370][ T482] RAX: 0000000000000000 RBX: ffff88800fe6a000 RCX: 0000000000000001 [ 27.167844][ T482] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 27.168317][ T482] RBP: ffffc90000696fe0 R08: 0000000000000000 R09: 0000000000000000 [ 27.168790][ T482] R10: ffffc90000697010 R11: ffffffffb74a8918 R12: 1ffff920000d2de2 [ 27.169266][ T482] R13: 00000000000026ac R14: ffffc90000697010 R15: ffff88800fe6af08 [ 27.169743][ T482] FS: 00007f733acae800(0000) GS:ffff88807dc37000(0000) knlGS:0000000000000000 [ 27.170306][ T482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.170725][ T482] CR2: 00000000004e5418 CR3: 000000000a096002 CR4: 0000000000772ef0 [ 27.171195][ T482] PKRU: 55555554 [ 27.171451][ T482] Call Trace: [ 27.171684][ T482] [ 27.171878][ T482] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 27.172189][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.172508][ T482] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 27.172840][ T482] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 27.173224][ T482] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 27.173539][ T482] netif_set_mtu (net/core/dev.c:9652) [ 27.173881][ T482] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 27.174210][ T482] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 27.174644][ T482] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 27.174886][ T482] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 27.175315][ T482] br_add_if (net/bridge/br_if.c:697) bridge [ 27.175668][ T482] do_set_master (net/core/rtnetlink.c:2948) [ 27.176004][ T482] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 27.176321][ T482] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 27.176711][ T482] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.177059][ T482] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 27.177391][ T482] ? __kernel_text_address (kernel/extable.c:79) [ 27.177710][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.178048][ T482] ? __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) [ 27.178362][ T482] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 27.178752][ T482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 27.179068][ T482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 27.179380][ T482] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 27.179699][ T482] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 27.180016][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.180323][ T482] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 27.180627][ T482] ? __create_object (mm/kmemleak.c:771) [ 27.180943][ T482] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 27.181251][ T482] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 27.181561][ T482] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 27.181961][ T482] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 27.182274][ T482] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 27.182593][ T482] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 27.182921][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.183234][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.183541][ T482] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 27.183849][ T482] ? __lock_release (kernel/locking/lockdep.c:5539) [ 27.184170][ T482] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 27.184474][ T482] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 27.184790][ T482] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 27.185099][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.185410][ T482] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 27.185715][ T482] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 27.186069][ T482] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 27.186390][ T482] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 27.186693][ T482] ? 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) [ 27.187022][ T482] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 27.187333][ T482] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 27.187666][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.188020][ T482] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 27.188332][ T482] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 27.188653][ T482] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 27.188974][ T482] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 27.189283][ T482] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 27.189588][ T482] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 27.189992][ T482] ___sys_sendmsg (net/socket.c:2670) [ 27.190297][ T482] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 27.190600][ T482] ? __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) [ 27.191003][ T482] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 27.191334][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.191646][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.191961][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.192269][ T482] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 27.192576][ T482] ? __lock_release (kernel/locking/lockdep.c:5539) [ 27.192905][ T482] __sys_sendmsg (net/socket.c:2700) [ 27.193214][ T482] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 27.193596][ T482] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 27.194006][ T482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 27.194362][ T482] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 27.194675][ T482] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 27.195066][ T482] RIP: 0033:0x7f733ae7b1e7 [ 27.195388][ T482] 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) [ 27.196514][ T482] RSP: 002b:00007ffdec4405c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.196989][ T482] RAX: ffffffffffffffda RBX: 00007ffdec440cf0 RCX: 00007f733ae7b1e7 [ 27.197449][ T482] RDX: 0000000000000000 RSI: 00007ffdec440630 RDI: 0000000000000005 [ 27.197922][ T482] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 27.198406][ T482] R10: 0000000013e30910 R11: 0000000000000246 R12: 0000000000000004 [ 27.198875][ T482] R13: 00000000686e17e7 R14: 0000000000499600 R15: 0000000000000000 | [ 27.413176][ T487] ------------[ cut here ]------------ | [ 27.413590][ T487] WARNING: CPU: 2 PID: 487 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) | [ 27.414360][ T487] Modules linked in: bridge stp llc 8021q vrf veth | [ 27.415770][ T487] Tainted: [W]=WARN [ 27.416055][ T487] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.416447][ T487] 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) [ 27.416962][ T487] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 27.418283][ T487] RSP: 0018:ffffc900005c6ef0 EFLAGS: 00010246 [ 27.418834][ T487] RAX: 0000000000000000 RBX: ffff88800fe6a000 RCX: 0000000000000001 [ 27.419309][ T487] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 27.419803][ T487] RBP: ffffc900005c6fe0 R08: 0000000000000000 R09: 0000000000000000 [ 27.420376][ T487] R10: ffffc900005c7010 R11: ffffffffb74a8918 R12: 1ffff920000b8de2 [ 27.420957][ T487] R13: 00000000000026ac R14: ffffc900005c7010 R15: ffff88800fe6af08 [ 27.421429][ T487] FS: 00007f360ec24800(0000) GS:ffff88807dbb7000(0000) knlGS:0000000000000000 [ 27.422137][ T487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.422562][ T487] CR2: 00000000004e5418 CR3: 0000000004ff5001 CR4: 0000000000772ef0 [ 27.423291][ T487] PKRU: 55555554 [ 27.423579][ T487] Call Trace: [ 27.423949][ T487] [ 27.424167][ T487] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 27.424558][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.424954][ T487] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 27.425317][ T487] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 27.425715][ T487] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 27.426096][ T487] netif_set_mtu (net/core/dev.c:9652) [ 27.426427][ T487] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 27.426769][ T487] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 27.427228][ T487] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 27.427474][ T487] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 27.427927][ T487] br_add_if (net/bridge/br_if.c:697) bridge [ 27.428299][ T487] do_set_master (net/core/rtnetlink.c:2948) [ 27.428623][ T487] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 27.428968][ T487] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 27.429437][ T487] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.429872][ T487] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 27.430314][ T487] ? __kernel_text_address (kernel/extable.c:79) [ 27.430748][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.431357][ T487] ? __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) [ 27.431760][ T487] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 27.432235][ T487] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 27.432620][ T487] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 27.432968][ T487] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 27.433348][ T487] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 27.433744][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.434170][ T487] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 27.434580][ T487] ? __create_object (mm/kmemleak.c:771) [ 27.434985][ T487] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 27.435411][ T487] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 27.435951][ T487] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 27.436351][ T487] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 27.436742][ T487] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 27.437150][ T487] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 27.437529][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.437890][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.438209][ T487] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 27.438524][ T487] ? __lock_release (kernel/locking/lockdep.c:5539) [ 27.438964][ T487] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 27.439396][ T487] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 27.439722][ T487] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 27.440074][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.440520][ T487] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 27.440929][ T487] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 27.441282][ T487] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 27.441614][ T487] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 27.442077][ T487] ? 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) [ 27.442491][ T487] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 27.442845][ T487] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 27.443172][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.443493][ T487] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 27.443908][ T487] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 27.444254][ T487] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 27.444580][ T487] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 27.444924][ T487] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 27.445291][ T487] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 27.445763][ T487] ___sys_sendmsg (net/socket.c:2670) [ 27.446121][ T487] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 27.446530][ T487] ? __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) [ 27.447112][ T487] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 27.447503][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.447853][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.448177][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.448504][ T487] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 27.448843][ T487] ? __lock_release (kernel/locking/lockdep.c:5539) [ 27.449173][ T487] __sys_sendmsg (net/socket.c:2700) [ 27.449489][ T487] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 27.449909][ T487] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 27.450246][ T487] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 27.450650][ T487] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 27.451170][ T487] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 27.451619][ T487] RIP: 0033:0x7f360edf11e7 [ 27.452065][ T487] 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) [ 27.453672][ T487] RSP: 002b:00007ffc65b5e628 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.454535][ T487] RAX: ffffffffffffffda RBX: 00007ffc65b5ed50 RCX: 00007f360edf11e7 [ 27.455375][ T487] RDX: 0000000000000000 RSI: 00007ffc65b5e690 RDI: 0000000000000005 [ 27.456224][ T487] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 27.457067][ T487] R10: 000000000fb5f910 R11: 0000000000000246 R12: 0000000000000004 [ 27.457913][ T487] R13: 00000000686e17e8 R14: 0000000000499600 R15: 0000000000000000 | [ 29.252505][ T528] ------------[ cut here ]------------ | [ 29.252862][ T528] WARNING: CPU: 2 PID: 528 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) | [ 29.253481][ T528] Modules linked in: bridge stp llc 8021q vrf veth | [ 29.254550][ T528] Tainted: [W]=WARN [ 29.254808][ T528] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.255204][ T528] 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) [ 29.255536][ T528] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 29.256848][ T528] RSP: 0018:ffffc90000806ef0 EFLAGS: 00010246 [ 29.257349][ T528] RAX: 0000000000000000 RBX: ffff88800a032000 RCX: 0000000000000001 [ 29.257828][ T528] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 29.258305][ T528] RBP: ffffc90000806fe0 R08: 0000000000000000 R09: 0000000000000000 [ 29.258775][ T528] R10: ffffc90000807010 R11: ffffffffb74a8918 R12: 1ffff92000100de2 [ 29.259257][ T528] R13: 00000000000026ac R14: ffffc90000807010 R15: ffff88800a032f08 [ 29.259729][ T528] FS: 00007fbcb37d6800(0000) GS:ffff88807dbb7000(0000) knlGS:0000000000000000 [ 29.260290][ T528] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.260694][ T528] CR2: 00000000004e5420 CR3: 000000000fd23002 CR4: 0000000000772ef0 [ 29.261181][ T528] PKRU: 55555554 [ 29.261428][ T528] Call Trace: [ 29.261674][ T528] [ 29.261855][ T528] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 29.262175][ T528] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 29.262506][ T528] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 29.262831][ T528] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 29.263230][ T528] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 29.263555][ T528] netif_set_mtu (net/core/dev.c:9652) [ 29.263884][ T528] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 29.264213][ T528] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 29.264655][ T528] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 29.264915][ T528] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 29.265349][ T528] br_add_if (net/bridge/br_if.c:697) bridge [ 29.265714][ T528] do_set_master (net/core/rtnetlink.c:2948) [ 29.266065][ T528] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 29.266389][ T528] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 29.266802][ T528] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.267130][ T528] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 29.267457][ T528] ? __kernel_text_address (kernel/extable.c:79) [ 29.267780][ T528] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 29.268117][ T528] ? __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) [ 29.268437][ T528] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 29.268850][ T528] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 29.269174][ T528] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 29.269492][ T528] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 29.269826][ T528] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 29.270149][ T528] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 29.270466][ T528] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 29.270793][ T528] ? __create_object (mm/kmemleak.c:771) [ 29.271117][ T528] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 29.271440][ T528] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 29.271770][ T528] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 29.272185][ T528] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 29.272528][ T528] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 29.272869][ T528] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 29.273186][ T528] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 29.273513][ T528] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 29.273842][ T528] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 29.274163][ T528] ? __lock_release (kernel/locking/lockdep.c:5539) [ 29.274494][ T528] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 29.274832][ T528] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 29.275153][ T528] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 29.275475][ T528] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 29.275819][ T528] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 29.276152][ T528] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 29.276473][ T528] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 29.276816][ T528] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 29.277143][ T528] ? 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) [ 29.277460][ T528] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 29.277791][ T528] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 29.278110][ T528] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 29.278438][ T528] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 29.278759][ T528] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 29.279091][ T528] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 29.279427][ T528] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 29.279757][ T528] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 29.280086][ T528] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 29.280497][ T528] ___sys_sendmsg (net/socket.c:2670) [ 29.280827][ T528] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 29.281152][ T528] ? __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) [ 29.281548][ T528] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 29.281882][ T528] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 29.282206][ T528] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 29.282533][ T528] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 29.282860][ T528] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 29.283178][ T528] ? __lock_release (kernel/locking/lockdep.c:5539) [ 29.283510][ T528] __sys_sendmsg (net/socket.c:2700) [ 29.283838][ T528] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 29.284231][ T528] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 29.284571][ T528] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 29.284902][ T528] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 29.285229][ T528] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 29.285620][ T528] RIP: 0033:0x7fbcb39a31e7 [ 29.285974][ T528] 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) [ 29.287099][ T528] RSP: 002b:00007ffd69c01de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 29.287580][ T528] RAX: ffffffffffffffda RBX: 00007ffd69c02510 RCX: 00007fbcb39a31e7 [ 29.288058][ T528] RDX: 0000000000000000 RSI: 00007ffd69c01e50 RDI: 0000000000000005 [ 29.288536][ T528] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 29.289027][ T528] R10: 0000000022db2910 R11: 0000000000000246 R12: 0000000000000004 [ 29.289495][ T528] R13: 00000000686e17ea R14: 0000000000499600 R15: 0000000000000000 | [ 29.466943][ T533] ------------[ cut here ]------------ | [ 29.467287][ T533] WARNING: CPU: 2 PID: 533 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) | [ 29.467937][ T533] Modules linked in: bridge stp llc 8021q vrf veth | [ 29.469008][ T533] Tainted: [W]=WARN [ 29.469253][ T533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.469648][ T533] 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) [ 29.469987][ T533] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 29.471107][ T533] RSP: 0018:ffffc90000866ef0 EFLAGS: 00010246 [ 29.471506][ T533] RAX: 0000000000000000 RBX: ffff88800a032000 RCX: 0000000000000001 [ 29.472000][ T533] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 29.472475][ T533] RBP: ffffc90000866fe0 R08: 0000000000000000 R09: 0000000000000000 [ 29.472961][ T533] R10: ffffc90000867010 R11: ffffffffb74a8918 R12: 1ffff9200010cde2 [ 29.473438][ T533] R13: 00000000000026ac R14: ffffc90000867010 R15: ffff88800a032f08 [ 29.473918][ T533] FS: 00007f8883819800(0000) GS:ffff88807dbb7000(0000) knlGS:0000000000000000 [ 29.474466][ T533] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.474877][ T533] CR2: 00000000004e5420 CR3: 000000000a3e4005 CR4: 0000000000772ef0 [ 29.475353][ T533] PKRU: 55555554 [ 29.475596][ T533] Call Trace: [ 29.475862][ T533] [ 29.476046][ T533] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 29.476365][ T533] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 29.476689][ T533] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 29.477019][ T533] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 29.477409][ T533] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 29.477738][ T533] netif_set_mtu (net/core/dev.c:9652) [ 29.478070][ T533] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 29.478399][ T533] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 29.478851][ T533] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 29.479097][ T533] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 29.479528][ T533] br_add_if (net/bridge/br_if.c:697) bridge [ 29.479935][ T533] do_set_master (net/core/rtnetlink.c:2948) [ 29.480258][ T533] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 29.480578][ T533] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 29.480986][ T533] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.481301][ T533] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 29.481616][ T533] ? __kernel_text_address (kernel/extable.c:79) [ 29.481949][ T533] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 29.482276][ T533] ? __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) [ 29.482594][ T533] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 29.482995][ T533] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 29.483317][ T533] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 29.483632][ T533] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 29.483971][ T533] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 29.484289][ T533] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 29.484610][ T533] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 29.484944][ T533] ? __create_object (mm/kmemleak.c:771) [ 29.485267][ T533] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 29.485586][ T533] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 29.485922][ T533] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 29.486314][ T533] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 29.486637][ T533] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 29.486970][ T533] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 29.487292][ T533] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 29.487615][ T533] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 29.487957][ T533] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 29.488273][ T533] ? __lock_release (kernel/locking/lockdep.c:5539) [ 29.488590][ T533] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 29.488919][ T533] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 29.489239][ T533] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 29.489560][ T533] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 29.490631][ T533] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 29.490980][ T533] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 29.491304][ T533] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 29.491633][ T533] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 29.491975][ T533] ? 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) [ 29.492298][ T533] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 29.492621][ T533] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 29.492957][ T533] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 29.493287][ T533] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 29.493608][ T533] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 29.493936][ T533] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 29.494264][ T533] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 29.494586][ T533] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 29.494912][ T533] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 29.495324][ T533] ___sys_sendmsg (net/socket.c:2670) [ 29.495640][ T533] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 29.495994][ T533] ? __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) [ 29.496388][ T533] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 29.496710][ T533] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 29.497041][ T533] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 29.497366][ T533] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 29.497684][ T533] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 29.498014][ T533] ? __lock_release (kernel/locking/lockdep.c:5539) [ 29.498340][ T533] __sys_sendmsg (net/socket.c:2700) [ 29.498656][ T533] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 29.499056][ T533] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 29.499387][ T533] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 29.499704][ T533] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 29.500050][ T533] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 29.500442][ T533] RIP: 0033:0x7f88839e61e7 [ 29.500775][ T533] 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) [ 29.501890][ T533] RSP: 002b:00007ffeeda797a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 29.502366][ T533] RAX: ffffffffffffffda RBX: 00007ffeeda79ed0 RCX: 00007f88839e61e7 [ 29.502845][ T533] RDX: 0000000000000000 RSI: 00007ffeeda79810 RDI: 0000000000000005 [ 29.503314][ T533] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 29.503777][ T533] R10: 000000000107e910 R11: 0000000000000246 R12: 0000000000000004 [ 29.504279][ T533] R13: 00000000686e17ea R14: 0000000000499600 R15: 0000000000000000 | [ 454.455221][ T1977] ------------[ cut here ]------------ | [ 454.455564][ T1977] WARNING: CPU: 1 PID: 1977 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) | [ 454.456200][ T1977] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth | [ 454.457440][ T1977] Tainted: [W]=WARN [ 454.457669][ T1977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 454.458056][ T1977] 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) [ 454.458375][ T1977] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 454.459489][ T1977] RSP: 0018:ffffc900017fef70 EFLAGS: 00010246 [ 454.459897][ T1977] RAX: 0000000000000000 RBX: ffff88800a032000 RCX: 0000000000000001 [ 454.460352][ T1977] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 454.462360][ T1977] RBP: ffffc900017ff058 R08: 0000000000000000 R09: 0000000000000000 [ 454.462972][ T1977] R10: ffffc900017ff088 R11: ffffffffb2a00130 R12: 1ffff920002ffdf2 [ 454.463432][ T1977] R13: 00000000000026ac R14: ffffc900017ff088 R15: ffff88800a032f08 [ 454.463908][ T1977] FS: 00007ff46d694800(0000) GS:ffff88807db37000(0000) knlGS:0000000000000000 [ 454.464434][ T1977] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 454.464827][ T1977] CR2: 00000000004e5638 CR3: 000000000903c005 CR4: 0000000000772ef0 [ 454.465297][ T1977] PKRU: 55555554 [ 454.465530][ T1977] Call Trace: [ 454.465763][ T1977] [ 454.465931][ T1977] ? __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) [ 454.466327][ T1977] ? br_del_if (net/bridge/br_if.c:742) bridge [ 454.466714][ T1977] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 454.467049][ T1977] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 454.467373][ T1977] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 454.467698][ T1977] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 454.468028][ T1977] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 454.468349][ T1977] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 454.468674][ T1977] ? ___sys_sendmsg (net/socket.c:2670) [ 454.469004][ T1977] ? __sys_sendmsg (net/socket.c:2700) [ 454.469323][ T1977] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 454.469643][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 454.470051][ T1977] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 454.470389][ T1977] netif_set_mtu (net/core/dev.c:9652) [ 454.470711][ T1977] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 454.471059][ T1977] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 454.471308][ T1977] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 454.471751][ T1977] br_del_if (net/bridge/br_if.c:743) bridge [ 454.472128][ T1977] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 454.472449][ T1977] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 454.472777][ T1977] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 454.473128][ T1977] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 454.473532][ T1977] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 454.473856][ T1977] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 454.474175][ T1977] ? __kernel_text_address (kernel/extable.c:79) [ 454.474500][ T1977] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 454.474834][ T1977] ? __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) [ 454.475163][ T1977] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 454.475562][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 454.475893][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 454.476215][ T1977] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 454.476546][ T1977] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 454.476877][ T1977] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 454.477201][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 454.477518][ T1977] ? __create_object (mm/kmemleak.c:771) [ 454.477855][ T1977] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 454.478179][ T1977] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 454.478496][ T1977] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 454.478925][ T1977] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 454.479257][ T1977] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 454.479580][ T1977] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 454.479904][ T1977] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 454.480257][ T1977] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 454.480580][ T1977] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 454.480905][ T1977] ? __lock_release (kernel/locking/lockdep.c:5539) [ 454.481228][ T1977] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 454.481544][ T1977] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 454.481870][ T1977] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 454.482182][ T1977] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 454.482505][ T1977] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 454.482836][ T1977] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 454.483147][ T1977] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 454.483479][ T1977] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 454.483810][ T1977] ? 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) [ 454.484126][ T1977] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 454.484440][ T1977] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 454.484749][ T1977] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 454.485077][ T1977] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 454.485395][ T1977] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 454.485711][ T1977] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 454.486036][ T1977] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 454.486351][ T1977] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 454.486673][ T1977] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 454.487085][ T1977] ___sys_sendmsg (net/socket.c:2670) [ 454.487393][ T1977] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 454.487718][ T1977] ? __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) [ 454.488121][ T1977] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 454.488436][ T1977] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 454.488745][ T1977] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 454.489062][ T1977] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 454.489372][ T1977] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 454.489679][ T1977] ? __lock_release (kernel/locking/lockdep.c:5539) [ 454.490001][ T1977] __sys_sendmsg (net/socket.c:2700) [ 454.490316][ T1977] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 454.490704][ T1977] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 454.491032][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 454.491370][ T1977] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 454.491677][ T1977] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 454.492070][ T1977] RIP: 0033:0x7ff46d8611e7 [ 454.492394][ T1977] 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) [ 454.493517][ T1977] RSP: 002b:00007fffbed24ff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 454.494002][ T1977] RAX: ffffffffffffffda RBX: 00007fffbed25720 RCX: 00007ff46d8611e7 [ 454.494471][ T1977] RDX: 0000000000000000 RSI: 00007fffbed25060 RDI: 0000000000000005 [ 454.495131][ T1977] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 454.495988][ T1977] R10: 00007ff46d75eee8 R11: 0000000000000246 R12: 0000000000000003 [ 454.496557][ T1977] R13: 00000000686e1993 R14: 0000000000499600 R15: 0000000000000000 | [ 454.687214][ T1979] ------------[ cut here ]------------ | [ 454.687562][ T1979] WARNING: CPU: 0 PID: 1979 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) | [ 454.688205][ T1979] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth | [ 454.689451][ T1979] Tainted: [W]=WARN [ 454.689691][ T1979] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 454.691319][ T1979] 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) [ 454.691655][ T1979] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 454.692813][ T1979] RSP: 0018:ffffc9000181ef70 EFLAGS: 00010246 [ 454.693215][ T1979] RAX: 0000000000000000 RBX: ffff88800a032000 RCX: 0000000000000001 [ 454.693691][ T1979] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 454.694176][ T1979] RBP: ffffc9000181f058 R08: 0000000000000000 R09: 0000000000000000 [ 454.694659][ T1979] R10: ffffc9000181f088 R11: ffffffffb6b79160 R12: 1ffff92000303df2 [ 454.695151][ T1979] R13: 00000000000005dc R14: ffffc9000181f088 R15: ffff88800a032f08 [ 454.695630][ T1979] FS: 00007f6399b1d800(0000) GS:ffff88807dab7000(0000) knlGS:0000000000000000 [ 454.696201][ T1979] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 454.696619][ T1979] CR2: 00000000004e73e8 CR3: 0000000004f95001 CR4: 0000000000772ef0 [ 454.697121][ T1979] PKRU: 55555554 [ 454.697362][ T1979] Call Trace: [ 454.697600][ T1979] [ 454.697763][ T1979] ? __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) [ 454.698173][ T1979] ? br_del_if (net/bridge/br_if.c:742) bridge [ 454.698539][ T1979] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 454.698873][ T1979] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 454.699193][ T1979] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 454.699513][ T1979] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 454.699841][ T1979] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 454.700162][ T1979] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 454.700482][ T1979] ? ___sys_sendmsg (net/socket.c:2670) [ 454.700820][ T1979] ? __sys_sendmsg (net/socket.c:2700) [ 454.701141][ T1979] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 454.701467][ T1979] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 454.701871][ T1979] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 454.702205][ T1979] netif_set_mtu (net/core/dev.c:9652) [ 454.702526][ T1979] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 454.702871][ T1979] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 454.703118][ T1979] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 454.703559][ T1979] br_del_if (net/bridge/br_if.c:743) bridge [ 454.703930][ T1979] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 454.704258][ T1979] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 454.704582][ T1979] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 454.704925][ T1979] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 454.705329][ T1979] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 454.705648][ T1979] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 454.705977][ T1979] ? __kernel_text_address (kernel/extable.c:79) [ 454.706307][ T1979] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 454.706645][ T1979] ? __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) [ 454.706974][ T1979] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 454.707372][ T1979] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 454.707697][ T1979] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 454.708027][ T1979] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 454.708350][ T1979] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 454.708676][ T1979] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 454.709020][ T1979] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 454.709337][ T1979] ? __create_object (mm/kmemleak.c:771) [ 454.709661][ T1979] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 454.709993][ T1979] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 454.710313][ T1979] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 454.710710][ T1979] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 454.711047][ T1979] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 454.711378][ T1979] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 454.711697][ T1979] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 454.712032][ T1979] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 454.712358][ T1979] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 454.712673][ T1979] ? __lock_release (kernel/locking/lockdep.c:5539) [ 454.713015][ T1979] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 454.713336][ T1979] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 454.713657][ T1979] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 454.713996][ T1979] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 454.714323][ T1979] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 454.714643][ T1979] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 454.714973][ T1979] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 454.715304][ T1979] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 454.715622][ T1979] ? 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) [ 454.715954][ T1979] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 454.716284][ T1979] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 454.716639][ T1979] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 454.716984][ T1979] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 454.717310][ T1979] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 454.717633][ T1979] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 454.717969][ T1979] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 454.718292][ T1979] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 454.718618][ T1979] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 454.719042][ T1979] ___sys_sendmsg (net/socket.c:2670) [ 454.719362][ T1979] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 454.719681][ T1979] ? __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) [ 454.720089][ T1979] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 454.720395][ T1979] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 454.720702][ T1979] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 454.721045][ T1979] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 454.721366][ T1979] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 454.721686][ T1979] ? __lock_release (kernel/locking/lockdep.c:5539) [ 454.722008][ T1979] __sys_sendmsg (net/socket.c:2700) [ 454.722309][ T1979] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 454.722683][ T1979] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 454.723009][ T1979] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 454.723322][ T1979] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 454.723627][ T1979] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 454.724018][ T1979] RIP: 0033:0x7f6399cea1e7 [ 454.724333][ T1979] 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) [ 454.725432][ T1979] RSP: 002b:00007ffd164479f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 454.725907][ T1979] RAX: ffffffffffffffda RBX: 00007ffd16448120 RCX: 00007f6399cea1e7 [ 454.726365][ T1979] RDX: 0000000000000000 RSI: 00007ffd16447a60 RDI: 0000000000000005 [ 454.726841][ T1979] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 454.727331][ T1979] R10: 00007f6399be7ee8 R11: 0000000000000246 R12: 0000000000000003 [ 454.727801][ T1979] R13: 00000000686e1993 R14: 0000000000499600 R15: 0000000000000000 | [ 455.903542][ T1995] ------------[ cut here ]------------ | [ 455.904092][ T1995] WARNING: CPU: 0 PID: 1995 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) | [ 455.904734][ T1995] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth | [ 455.905990][ T1995] Tainted: [W]=WARN [ 455.906232][ T1995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 455.906692][ T1995] 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) [ 455.907034][ T1995] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 455.908187][ T1995] RSP: 0018:ffffc900018bef70 EFLAGS: 00010246 [ 455.908596][ T1995] RAX: 0000000000000000 RBX: ffff88800fe6a000 RCX: 0000000000000001 [ 455.909117][ T1995] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 455.909599][ T1995] RBP: ffffc900018bf058 R08: 0000000000000000 R09: 0000000000000000 [ 455.910090][ T1995] R10: ffffc900018bf088 R11: ffffffffb6b79160 R12: 1ffff92000317df2 [ 455.910568][ T1995] R13: 00000000000026ac R14: ffffc900018bf088 R15: ffff88800fe6af08 [ 455.911057][ T1995] FS: 00007fa51ca2a800(0000) GS:ffff88807dab7000(0000) knlGS:0000000000000000 [ 455.911625][ T1995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 455.912034][ T1995] CR2: 00000000004e5630 CR3: 000000000eb47005 CR4: 0000000000772ef0 [ 455.912517][ T1995] PKRU: 55555554 [ 455.912759][ T1995] Call Trace: [ 455.913009][ T1995] [ 455.913178][ T1995] ? __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) [ 455.913584][ T1995] ? br_del_if (net/bridge/br_if.c:742) bridge [ 455.913955][ T1995] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 455.914277][ T1995] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 455.914596][ T1995] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 455.914923][ T1995] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 455.915327][ T1995] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 455.915642][ T1995] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 455.915955][ T1995] ? ___sys_sendmsg (net/socket.c:2670) [ 455.916256][ T1995] ? __sys_sendmsg (net/socket.c:2700) [ 455.916565][ T1995] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 455.916877][ T1995] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 455.917253][ T1995] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 455.917564][ T1995] netif_set_mtu (net/core/dev.c:9652) [ 455.917883][ T1995] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 455.918210][ T1995] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 455.918441][ T1995] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 455.918870][ T1995] br_del_if (net/bridge/br_if.c:743) bridge [ 455.919220][ T1995] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 455.919526][ T1995] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 455.919844][ T1995] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 455.920151][ T1995] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 455.920579][ T1995] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 455.920913][ T1995] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 455.921232][ T1995] ? __kernel_text_address (kernel/extable.c:79) [ 455.921558][ T1995] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 455.921892][ T1995] ? __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) [ 455.922214][ T1995] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 455.922624][ T1995] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 455.922957][ T1995] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 455.923276][ T1995] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 455.923597][ T1995] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 455.923927][ T1995] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 455.924250][ T1995] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 455.924568][ T1995] ? __create_object (mm/kmemleak.c:771) [ 455.924905][ T1995] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 455.925226][ T1995] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 455.925553][ T1995] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 455.925961][ T1995] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 455.926289][ T1995] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 455.926625][ T1995] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 455.926938][ T1995] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 455.927300][ T1995] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 455.927626][ T1995] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 455.927958][ T1995] ? __lock_release (kernel/locking/lockdep.c:5539) [ 455.928284][ T1995] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 455.928602][ T1995] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 455.928935][ T1995] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 455.929260][ T1995] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 455.929586][ T1995] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 455.929916][ T1995] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 455.930241][ T1995] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 455.930576][ T1995] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 455.930907][ T1995] ? 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) [ 455.931240][ T1995] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 455.931548][ T1995] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 455.931862][ T1995] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 455.932177][ T1995] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 455.932484][ T1995] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 455.932814][ T1995] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 455.933145][ T1995] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 455.933454][ T1995] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 455.933756][ T1995] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 455.934153][ T1995] ___sys_sendmsg (net/socket.c:2670) [ 455.934454][ T1995] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 455.934754][ T1995] ? __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) [ 455.935145][ T1995] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 455.935452][ T1995] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 455.935759][ T1995] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 455.936075][ T1995] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 455.936407][ T1995] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 455.936731][ T1995] ? __lock_release (kernel/locking/lockdep.c:5539) [ 455.937053][ T1995] __sys_sendmsg (net/socket.c:2700) [ 455.937358][ T1995] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 455.937739][ T1995] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 455.938062][ T1995] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 455.938371][ T1995] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 455.938679][ T1995] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 455.939069][ T1995] RIP: 0033:0x7fa51cbf71e7 [ 455.939386][ T1995] 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) [ 455.940481][ T1995] RSP: 002b:00007ffd99cde5b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 455.940948][ T1995] RAX: ffffffffffffffda RBX: 00007ffd99cdece0 RCX: 00007fa51cbf71e7 [ 455.941459][ T1995] RDX: 0000000000000000 RSI: 00007ffd99cde620 RDI: 0000000000000005 [ 455.941953][ T1995] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 455.942429][ T1995] R10: 00007fa51caf4ee8 R11: 0000000000000246 R12: 0000000000000003 [ 455.942921][ T1995] R13: 00000000686e1994 R14: 0000000000499600 R15: 0000000000000000 | [ 456.078818][ T1997] ------------[ cut here ]------------ | [ 456.079150][ T1997] WARNING: CPU: 1 PID: 1997 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) | [ 456.079746][ T1997] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth | [ 456.080972][ T1997] Tainted: [W]=WARN [ 456.081246][ T1997] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 456.081625][ T1997] 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) [ 456.081961][ T1997] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 456.083826][ T1997] RSP: 0018:ffffc9000185ef70 EFLAGS: 00010246 [ 456.084337][ T1997] RAX: 0000000000000000 RBX: ffff88800fe6a000 RCX: 0000000000000001 [ 456.084810][ T1997] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 456.085278][ T1997] RBP: ffffc9000185f058 R08: 0000000000000000 R09: 0000000000000000 [ 456.085730][ T1997] R10: ffffc9000185f088 R11: ffffffffb6b79160 R12: 1ffff9200030bdf2 [ 456.086224][ T1997] R13: 00000000000005dc R14: ffffc9000185f088 R15: ffff88800fe6af08 [ 456.086695][ T1997] FS: 00007ffba9239800(0000) GS:ffff88807db37000(0000) knlGS:0000000000000000 [ 456.087248][ T1997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 456.087632][ T1997] CR2: 00000000004e73d0 CR3: 000000000bf7e005 CR4: 0000000000772ef0 [ 456.088100][ T1997] PKRU: 55555554 [ 456.088355][ T1997] Call Trace: [ 456.088582][ T1997] [ 456.088734][ T1997] ? __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) [ 456.089129][ T1997] ? br_del_if (net/bridge/br_if.c:742) bridge [ 456.089509][ T1997] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 456.089836][ T1997] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 456.090298][ T1997] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 456.090805][ T1997] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 456.091167][ T1997] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 456.091478][ T1997] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 456.091798][ T1997] ? ___sys_sendmsg (net/socket.c:2670) [ 456.092101][ T1997] ? __sys_sendmsg (net/socket.c:2700) [ 456.092426][ T1997] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 456.092757][ T1997] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 456.093169][ T1997] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 456.093523][ T1997] netif_set_mtu (net/core/dev.c:9652) [ 456.093863][ T1997] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 456.094186][ T1997] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 456.094430][ T1997] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 456.094869][ T1997] br_del_if (net/bridge/br_if.c:743) bridge [ 456.095215][ T1997] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 456.095555][ T1997] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 456.095891][ T1997] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 456.096204][ T1997] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 456.096612][ T1997] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 456.096988][ T1997] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 456.097300][ T1997] ? __kernel_text_address (kernel/extable.c:79) [ 456.097619][ T1997] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 456.097950][ T1997] ? __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) [ 456.098262][ T1997] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 456.098673][ T1997] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 456.098996][ T1997] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 456.099300][ T1997] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 456.099650][ T1997] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 456.099965][ T1997] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 456.100268][ T1997] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 456.100588][ T1997] ? __create_object (mm/kmemleak.c:771) [ 456.100910][ T1997] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 456.101215][ T1997] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 456.101528][ T1997] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 456.101946][ T1997] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 456.102256][ T1997] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 456.102579][ T1997] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 456.102892][ T1997] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 456.103207][ T1997] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 456.103516][ T1997] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 456.103838][ T1997] ? __lock_release (kernel/locking/lockdep.c:5539) [ 456.104146][ T1997] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 456.104473][ T1997] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 456.104807][ T1997] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 456.105117][ T1997] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 456.105450][ T1997] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 456.105811][ T1997] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 456.106119][ T1997] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 456.106444][ T1997] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 456.106771][ T1997] ? 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) [ 456.107088][ T1997] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 456.107394][ T1997] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 456.107725][ T1997] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 456.108058][ T1997] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 456.108369][ T1997] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 456.108680][ T1997] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 456.109009][ T1997] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 456.109342][ T1997] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 456.109669][ T1997] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 456.110102][ T1997] ___sys_sendmsg (net/socket.c:2670) [ 456.110408][ T1997] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 456.110715][ T1997] ? __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) [ 456.111140][ T1997] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 456.111452][ T1997] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 456.111773][ T1997] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 456.112128][ T1997] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 456.112465][ T1997] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 456.112803][ T1997] ? __lock_release (kernel/locking/lockdep.c:5539) [ 456.113120][ T1997] __sys_sendmsg (net/socket.c:2700) [ 456.113421][ T1997] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 456.113895][ T1997] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 456.114219][ T1997] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 456.114528][ T1997] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 456.114878][ T1997] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 456.115286][ T1997] RIP: 0033:0x7ffba94061e7 [ 456.115608][ T1997] 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) [ 456.116776][ T1997] RSP: 002b:00007fff882c31f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 456.117263][ T1997] RAX: ffffffffffffffda RBX: 00007fff882c3920 RCX: 00007ffba94061e7 [ 456.117722][ T1997] RDX: 0000000000000000 RSI: 00007fff882c3260 RDI: 0000000000000005 [ 456.118217][ T1997] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 456.118673][ T1997] R10: 00007ffba9303ee8 R11: 0000000000000246 R12: 0000000000000003 [ 456.119155][ T1997] R13: 00000000686e1994 R14: 0000000000499600 R15: 0000000000000000 | [ 457.242655][ T2011] ------------[ cut here ]------------ | [ 457.242989][ T2011] WARNING: CPU: 0 PID: 2011 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) | [ 457.243597][ T2011] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth | [ 457.244771][ T2011] Tainted: [W]=WARN [ 457.245009][ T2011] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 457.245393][ T2011] 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) [ 457.245718][ T2011] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 457.248205][ T2011] RSP: 0018:ffffc9000182ef70 EFLAGS: 00010246 [ 457.248604][ T2011] RAX: 0000000000000000 RBX: ffff88800572a000 RCX: 0000000000000001 [ 457.249077][ T2011] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 457.249621][ T2011] RBP: ffffc9000182f058 R08: 0000000000000000 R09: 0000000000000000 [ 457.250091][ T2011] R10: ffffc9000182f088 R11: ffffffffb6b79160 R12: 1ffff92000305df2 [ 457.250553][ T2011] R13: 00000000000026ac R14: ffffc9000182f088 R15: ffff88800572af08 [ 457.251013][ T2011] FS: 00007f9535fa0800(0000) GS:ffff88807dab7000(0000) knlGS:0000000000000000 [ 457.251543][ T2011] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 457.251931][ T2011] CR2: 00000000004e5628 CR3: 000000000f76a004 CR4: 0000000000772ef0 [ 457.252388][ T2011] PKRU: 55555554 [ 457.252620][ T2011] Call Trace: [ 457.252856][ T2011] [ 457.253009][ T2011] ? __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) [ 457.253387][ T2011] ? br_del_if (net/bridge/br_if.c:742) bridge [ 457.253729][ T2011] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 457.254039][ T2011] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 457.254373][ T2011] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 457.254672][ T2011] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 457.254991][ T2011] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 457.255294][ T2011] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 457.255597][ T2011] ? ___sys_sendmsg (net/socket.c:2670) [ 457.255906][ T2011] ? __sys_sendmsg (net/socket.c:2700) [ 457.256205][ T2011] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 457.256533][ T2011] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 457.256917][ T2011] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 457.257228][ T2011] netif_set_mtu (net/core/dev.c:9652) [ 457.257539][ T2011] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 457.257868][ T2011] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 457.258111][ T2011] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 457.258529][ T2011] br_del_if (net/bridge/br_if.c:743) bridge [ 457.258876][ T2011] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 457.259178][ T2011] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 457.259493][ T2011] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 457.259814][ T2011] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 457.260202][ T2011] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 457.260504][ T2011] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 457.260815][ T2011] ? __kernel_text_address (kernel/extable.c:79) [ 457.261145][ T2011] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 457.261453][ T2011] ? __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) [ 457.261756][ T2011] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 457.262149][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 457.262456][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 457.262758][ T2011] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 457.263070][ T2011] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 457.263373][ T2011] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 457.263674][ T2011] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 457.264000][ T2011] ? __create_object (mm/kmemleak.c:771) [ 457.264308][ T2011] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 457.264616][ T2011] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 457.264926][ T2011] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 457.265306][ T2011] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 457.265615][ T2011] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 457.265931][ T2011] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 457.266236][ T2011] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 457.266565][ T2011] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 457.266879][ T2011] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 457.267192][ T2011] ? __lock_release (kernel/locking/lockdep.c:5539) [ 457.267495][ T2011] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 457.267806][ T2011] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 457.268112][ T2011] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 457.268419][ T2011] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 457.268728][ T2011] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 457.269038][ T2011] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 457.269348][ T2011] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 457.269662][ T2011] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 457.269968][ T2011] ? 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) [ 457.270274][ T2011] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 457.270579][ T2011] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 457.270888][ T2011] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 457.271196][ T2011] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 457.271511][ T2011] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 457.271822][ T2011] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 457.272134][ T2011] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 457.272442][ T2011] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 457.272743][ T2011] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 457.273562][ T2011] ___sys_sendmsg (net/socket.c:2670) [ 457.273873][ T2011] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 457.274186][ T2011] ? __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) [ 457.274562][ T2011] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 457.274881][ T2011] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 457.275188][ T2011] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 457.275496][ T2011] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 457.275817][ T2011] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 457.276122][ T2011] ? __lock_release (kernel/locking/lockdep.c:5539) [ 457.276448][ T2011] __sys_sendmsg (net/socket.c:2700) [ 457.276800][ T2011] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 457.277178][ T2011] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 457.277494][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 457.277808][ T2011] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 457.278113][ T2011] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 457.278486][ T2011] RIP: 0033:0x7f953616d1e7 [ 457.278807][ T2011] 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) [ 457.279925][ T2011] RSP: 002b:00007ffd9d61cf78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 457.280387][ T2011] RAX: ffffffffffffffda RBX: 00007ffd9d61d6a0 RCX: 00007f953616d1e7 [ 457.280855][ T2011] RDX: 0000000000000000 RSI: 00007ffd9d61cfe0 RDI: 0000000000000005 [ 457.281309][ T2011] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 457.281761][ T2011] R10: 00007f953606aee8 R11: 0000000000000246 R12: 0000000000000003 [ 457.282223][ T2011] R13: 00000000686e1996 R14: 0000000000499600 R15: 0000000000000000 | [ 457.425393][ T2013] ------------[ cut here ]------------ | [ 457.425755][ T2013] WARNING: CPU: 0 PID: 2013 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) | [ 457.426704][ T2013] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth | [ 457.428409][ T2013] Tainted: [W]=WARN [ 457.428653][ T2013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 457.429240][ T2013] 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) [ 457.429568][ T2013] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 457.430876][ T2013] RSP: 0018:ffffc9000194ef70 EFLAGS: 00010246 [ 457.431280][ T2013] RAX: 0000000000000000 RBX: ffff88800572a000 RCX: 0000000000000001 [ 457.431758][ T2013] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 457.432393][ T2013] RBP: ffffc9000194f058 R08: 0000000000000000 R09: 0000000000000000 [ 457.433015][ T2013] R10: ffffc9000194f088 R11: ffffffffb6b79160 R12: 1ffff92000329df2 [ 457.433493][ T2013] R13: 00000000000005dc R14: ffffc9000194f088 R15: ffff88800572af08 [ 457.434118][ T2013] FS: 00007f3ad952f800(0000) GS:ffff88807dab7000(0000) knlGS:0000000000000000 [ 457.434701][ T2013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 457.435325][ T2013] CR2: 00000000004e73b8 CR3: 0000000008ead005 CR4: 0000000000772ef0 [ 457.435990][ T2013] PKRU: 55555554 [ 457.436233][ T2013] Call Trace: [ 457.436480][ T2013] [ 457.436645][ T2013] ? __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) [ 457.437218][ T2013] ? br_del_if (net/bridge/br_if.c:742) bridge [ 457.437582][ T2013] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 457.438121][ T2013] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 457.438444][ T2013] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 457.438761][ T2013] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 457.439238][ T2013] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 457.439580][ T2013] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 457.440074][ T2013] ? ___sys_sendmsg (net/socket.c:2670) [ 457.440407][ T2013] ? __sys_sendmsg (net/socket.c:2700) [ 457.440741][ T2013] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 457.441215][ T2013] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 457.441614][ T2013] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 457.442021][ T2013] netif_set_mtu (net/core/dev.c:9652) [ 457.442343][ T2013] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 457.442681][ T2013] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 457.442937][ T2013] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 457.443375][ T2013] br_del_if (net/bridge/br_if.c:743) bridge [ 457.443726][ T2013] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 457.444066][ T2013] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 457.444389][ T2013] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 457.444708][ T2013] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 457.445128][ T2013] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 457.445446][ T2013] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 457.445760][ T2013] ? __kernel_text_address (kernel/extable.c:79) [ 457.446094][ T2013] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 457.446415][ T2013] ? __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) [ 457.446755][ T2013] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 457.447163][ T2013] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 457.447489][ T2013] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 457.447843][ T2013] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 457.448164][ T2013] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 457.448482][ T2013] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 457.448811][ T2013] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 457.449140][ T2013] ? __create_object (mm/kmemleak.c:771) [ 457.449476][ T2013] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 457.449806][ T2013] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 457.450134][ T2013] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 457.450526][ T2013] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 457.450859][ T2013] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 457.451182][ T2013] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 457.451498][ T2013] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 457.451840][ T2013] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 457.452164][ T2013] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 457.452487][ T2013] ? __lock_release (kernel/locking/lockdep.c:5539) [ 457.452817][ T2013] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 457.453140][ T2013] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 457.453459][ T2013] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 457.453779][ T2013] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 457.454112][ T2013] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 457.454428][ T2013] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 457.454748][ T2013] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 457.455102][ T2013] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 457.455419][ T2013] ? 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) [ 457.455738][ T2013] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 457.456087][ T2013] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 457.456413][ T2013] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 457.456745][ T2013] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 457.457075][ T2013] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 457.457401][ T2013] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 457.457728][ T2013] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 457.458058][ T2013] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 457.458372][ T2013] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 457.458778][ T2013] ___sys_sendmsg (net/socket.c:2670) [ 457.459105][ T2013] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 457.459420][ T2013] ? __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) [ 457.459842][ T2013] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 457.460218][ T2013] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 457.460529][ T2013] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 457.460884][ T2013] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 457.461201][ T2013] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 457.461510][ T2013] ? __lock_release (kernel/locking/lockdep.c:5539) [ 457.461837][ T2013] __sys_sendmsg (net/socket.c:2700) [ 457.462154][ T2013] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 457.462539][ T2013] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 457.462874][ T2013] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 457.463187][ T2013] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 457.463500][ T2013] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 457.463908][ T2013] RIP: 0033:0x7f3ad96fc1e7 [ 457.464234][ T2013] 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) [ 457.465357][ T2013] RSP: 002b:00007ffe9a7df658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 457.465835][ T2013] RAX: ffffffffffffffda RBX: 00007ffe9a7dfd80 RCX: 00007f3ad96fc1e7 [ 457.466303][ T2013] RDX: 0000000000000000 RSI: 00007ffe9a7df6c0 RDI: 0000000000000005 [ 457.466812][ T2013] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 457.467284][ T2013] R10: 00007f3ad95f9ee8 R11: 0000000000000246 R12: 0000000000000003 [ 457.467753][ T2013] R13: 00000000686e1996 R14: 0000000000499600 R15: 0000000000000000 | [ 458.212298][ T2021] ------------[ cut here ]------------ | [ 458.213578][ T2021] WARNING: CPU: 2 PID: 2021 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) | [ 458.214253][ T2021] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth | [ 458.215453][ T2021] Tainted: [W]=WARN [ 458.215686][ T2021] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 458.216122][ T2021] 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) [ 458.216474][ T2021] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 458.217843][ T2021] RSP: 0018:ffffc900019bf140 EFLAGS: 00010246 [ 458.218248][ T2021] RAX: 0000000000000000 RBX: ffff888004c61000 RCX: 0000000000000001 [ 458.218710][ T2021] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 458.219407][ T2021] RBP: ffffc900019bf230 R08: ffff888004d1e800 R09: 0000000000000000 [ 458.220150][ T2021] R10: ffffc900019bf5c8 R11: ffffffffb7450668 R12: 1ffff92000337e2c [ 458.220931][ T2021] R13: 00000000000005dc R14: ffffc900019bf880 R15: ffff88800f547160 [ 458.221712][ T2021] FS: 00007fb1b8228800(0000) GS:ffff88807dbb7000(0000) knlGS:0000000000000000 [ 458.222777][ T2021] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 458.223446][ T2021] CR2: 00000000004e5ab0 CR3: 000000000a360004 CR4: 0000000000772ef0 [ 458.224224][ T2021] PKRU: 55555554 [ 458.224623][ T2021] Call Trace: [ 458.225033][ T2021] [ 458.225304][ T2021] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 458.225913][ T2021] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 458.226445][ T2021] ? __lock_release (kernel/locking/lockdep.c:5539) [ 458.227021][ T2021] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 458.227468][ T2021] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 458.227796][ T2021] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 458.228128][ T2021] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 458.228466][ T2021] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 458.228856][ T2021] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 458.229348][ T2021] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 458.229690][ T2021] ? __kernel_text_address (kernel/extable.c:79) [ 458.230030][ T2021] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 458.230340][ T2021] ? __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) [ 458.230629][ T2021] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 458.231013][ T2021] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 458.231306][ T2021] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 458.231593][ T2021] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 458.231945][ T2021] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 458.232241][ T2021] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 458.232541][ T2021] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 458.232844][ T2021] ? __create_object (mm/kmemleak.c:771) [ 458.233162][ T2021] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 458.233462][ T2021] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 458.233772][ T2021] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 458.234170][ T2021] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 458.234480][ T2021] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 458.234903][ T2021] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 458.235450][ T2021] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 458.235972][ T2021] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 458.236479][ T2021] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 458.237000][ T2021] ? __lock_release (kernel/locking/lockdep.c:5539) [ 458.237515][ T2021] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 458.238043][ T2021] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 458.238558][ T2021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 458.239117][ T2021] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 458.239654][ T2021] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 458.240183][ T2021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 458.240700][ T2021] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 458.241256][ T2021] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 458.241769][ T2021] ? 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) [ 458.242328][ T2021] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 458.242873][ T2021] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 458.243307][ T2021] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 458.243614][ T2021] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 458.243955][ T2021] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 458.244262][ T2021] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 458.244600][ T2021] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 458.244941][ T2021] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 458.245247][ T2021] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 458.245635][ T2021] ___sys_sendmsg (net/socket.c:2670) [ 458.245990][ T2021] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 458.246330][ T2021] ? __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) [ 458.246723][ T2021] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 458.247047][ T2021] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 458.247383][ T2021] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 458.247697][ T2021] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 458.248047][ T2021] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 458.248352][ T2021] ? __lock_release (kernel/locking/lockdep.c:5539) [ 458.248667][ T2021] __sys_sendmsg (net/socket.c:2700) [ 458.249001][ T2021] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 458.249385][ T2021] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 458.249696][ T2021] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 458.250107][ T2021] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 458.250642][ T2021] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 458.251047][ T2021] RIP: 0033:0x7fb1b83f51e7 [ 458.251359][ T2021] 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) [ 458.252437][ T2021] RSP: 002b:00007ffdc8554e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 458.252940][ T2021] RAX: ffffffffffffffda RBX: 00007ffdc8555590 RCX: 00007fb1b83f51e7 [ 458.253392][ T2021] RDX: 0000000000000000 RSI: 00007ffdc8554ed0 RDI: 0000000000000005 [ 458.253839][ T2021] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 458.254300][ T2021] R10: 00007fb1b82f2ee8 R11: 0000000000000246 R12: 0000000000000004 [ 458.254743][ T2021] R13: 00000000686e1996 R14: 0000000000499600 R15: 0000000000000000 | [ 458.575743][ T2026] ------------[ cut here ]------------ | [ 458.576110][ T2026] WARNING: CPU: 3 PID: 2026 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) | [ 458.576839][ T2026] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth | [ 458.579023][ T2026] Tainted: [W]=WARN [ 458.579239][ T2026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 458.579587][ T2026] 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) [ 458.579887][ T2026] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 458.580905][ T2026] RSP: 0018:ffffc900019ff140 EFLAGS: 00010246 [ 458.581259][ T2026] RAX: 0000000000000000 RBX: ffff8880081c9000 RCX: 0000000000000001 [ 458.581671][ T2026] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 458.582100][ T2026] RBP: ffffc900019ff230 R08: ffff88800cb9a000 R09: 0000000000000000 [ 458.582517][ T2026] R10: ffffc900019ff5c8 R11: ffffffffb7450668 R12: 1ffff9200033fe2c [ 458.582943][ T2026] R13: 00000000000005dc R14: ffffc900019ff880 R15: ffff88800ef934e0 [ 458.583356][ T2026] FS: 00007f13186dd800(0000) GS:ffff88807dc37000(0000) knlGS:0000000000000000 [ 458.583869][ T2026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 458.584224][ T2026] CR2: 00000000004e5aa8 CR3: 000000000bbb0006 CR4: 0000000000772ef0 [ 458.584643][ T2026] PKRU: 55555554 [ 458.584879][ T2026] Call Trace: [ 458.585092][ T2026] [ 458.585235][ T2026] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 458.585521][ T2026] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 458.585809][ T2026] ? __lock_release (kernel/locking/lockdep.c:5539) [ 458.586098][ T2026] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 458.586395][ T2026] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 458.586708][ T2026] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 458.587002][ T2026] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 458.587289][ T2026] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 458.587653][ T2026] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 458.587946][ T2026] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 458.588238][ T2026] ? __kernel_text_address (kernel/extable.c:79) [ 458.588518][ T2026] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 458.588823][ T2026] ? __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) [ 458.589114][ T2026] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 458.589466][ T2026] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 458.589750][ T2026] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 458.590040][ T2026] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 458.590367][ T2026] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 458.590653][ T2026] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 458.590954][ T2026] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 458.591230][ T2026] ? __create_object (mm/kmemleak.c:771) [ 458.591520][ T2026] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 458.591812][ T2026] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 458.592092][ T2026] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 458.592454][ T2026] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 458.592742][ T2026] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 458.593050][ T2026] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 458.593330][ T2026] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 458.593613][ T2026] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 458.593902][ T2026] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 458.594179][ T2026] ? __lock_release (kernel/locking/lockdep.c:5539) [ 458.594464][ T2026] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 458.594752][ T2026] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 458.595047][ T2026] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 458.595329][ T2026] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 458.595614][ T2026] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 458.595908][ T2026] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 458.596187][ T2026] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 458.596507][ T2026] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 458.596815][ T2026] ? 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) [ 458.597114][ T2026] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 458.597411][ T2026] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 458.597700][ T2026] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 458.598035][ T2026] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 458.598321][ T2026] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 458.598607][ T2026] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 458.598929][ T2026] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 458.599227][ T2026] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 458.599515][ T2026] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 458.599903][ T2026] ___sys_sendmsg (net/socket.c:2670) [ 458.600192][ T2026] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 458.600478][ T2026] ? __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) [ 458.600862][ T2026] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 458.601160][ T2026] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 458.601451][ T2026] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 458.601748][ T2026] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 458.602049][ T2026] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 458.602343][ T2026] ? __lock_release (kernel/locking/lockdep.c:5539) [ 458.602635][ T2026] __sys_sendmsg (net/socket.c:2700) [ 458.602924][ T2026] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 458.603269][ T2026] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 458.603577][ T2026] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 458.603882][ T2026] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 458.604193][ T2026] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 458.604549][ T2026] RIP: 0033:0x7f13188aa1e7 [ 458.604863][ T2026] 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) [ 458.605920][ T2026] RSP: 002b:00007fff3e5b07a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 458.606352][ T2026] RAX: ffffffffffffffda RBX: 00007fff3e5b0ed0 RCX: 00007f13188aa1e7 [ 458.606812][ T2026] RDX: 0000000000000000 RSI: 00007fff3e5b0810 RDI: 0000000000000005 [ 458.607242][ T2026] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 458.607689][ T2026] R10: 00007f13187a7ee8 R11: 0000000000000246 R12: 0000000000000004 [ 458.608132][ T2026] R13: 00000000686e1997 R14: 0000000000499600 R15: 0000000000000000 | [ 459.457193][ T2037] ------------[ cut here ]------------ | [ 459.457540][ T2037] WARNING: CPU: 2 PID: 2037 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) | [ 459.458629][ T2037] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth | [ 459.459754][ T2037] Tainted: [W]=WARN [ 459.460029][ T2037] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 459.460389][ T2037] 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) [ 459.460706][ T2037] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 459.461730][ T2037] RSP: 0018:ffffc90001a6f140 EFLAGS: 00010246 [ 459.462117][ T2037] RAX: 0000000000000000 RBX: ffff888004ea4000 RCX: 0000000000000001 [ 459.462556][ T2037] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 459.462996][ T2037] RBP: ffffc90001a6f230 R08: ffff888009ab2000 R09: 0000000000000000 [ 459.463424][ T2037] R10: ffffc90001a6f5c8 R11: ffffffffb7450668 R12: 1ffff9200034de2c [ 459.463900][ T2037] R13: 00000000000005dc R14: ffffc90001a6f880 R15: ffff8880052234e0 [ 459.464328][ T2037] FS: 00007f801aaaa800(0000) GS:ffff88807dbb7000(0000) knlGS:0000000000000000 [ 459.464837][ T2037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 459.465213][ T2037] CR2: 00000000004e5ab8 CR3: 000000000f58d003 CR4: 0000000000772ef0 [ 459.465658][ T2037] PKRU: 55555554 [ 459.466054][ T2037] Call Trace: [ 459.466403][ T2037] [ 459.466655][ T2037] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 459.466963][ T2037] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 459.467256][ T2037] ? __lock_release (kernel/locking/lockdep.c:5539) [ 459.467547][ T2037] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 459.467849][ T2037] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 459.468179][ T2037] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 459.468493][ T2037] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 459.468812][ T2037] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 459.469194][ T2037] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 459.469491][ T2037] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 459.469797][ T2037] ? __kernel_text_address (kernel/extable.c:79) [ 459.470105][ T2037] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 459.470413][ T2037] ? __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) [ 459.470722][ T2037] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 459.471104][ T2037] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 459.471419][ T2037] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 459.471714][ T2037] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 459.472060][ T2037] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 459.472363][ T2037] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 459.472668][ T2037] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 459.472971][ T2037] ? __create_object (mm/kmemleak.c:771) [ 459.473277][ T2037] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 459.473574][ T2037] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 459.473891][ T2037] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 459.474263][ T2037] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 459.474565][ T2037] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 459.474879][ T2037] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 459.475178][ T2037] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 459.475491][ T2037] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 459.475833][ T2037] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 459.476139][ T2037] ? __lock_release (kernel/locking/lockdep.c:5539) [ 459.476461][ T2037] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 459.476757][ T2037] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 459.477075][ T2037] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 459.477380][ T2037] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 459.477684][ T2037] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 459.477998][ T2037] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 459.478382][ T2037] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 459.478688][ T2037] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 459.478983][ T2037] ? 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) [ 459.479271][ T2037] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 459.479563][ T2037] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 459.479892][ T2037] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 459.480190][ T2037] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 459.480481][ T2037] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 459.480776][ T2037] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 459.481082][ T2037] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 459.481377][ T2037] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 459.481662][ T2037] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 459.482042][ T2037] ___sys_sendmsg (net/socket.c:2670) [ 459.482329][ T2037] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 459.482616][ T2037] ? __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) [ 459.482995][ T2037] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 459.483290][ T2037] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 459.483584][ T2037] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 459.483900][ T2037] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 459.484185][ T2037] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 459.484508][ T2037] ? __lock_release (kernel/locking/lockdep.c:5539) [ 459.484837][ T2037] __sys_sendmsg (net/socket.c:2700) [ 459.485131][ T2037] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 459.485499][ T2037] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 459.485844][ T2037] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 459.486142][ T2037] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 459.486443][ T2037] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 459.486811][ T2037] RIP: 0033:0x7f801ac771e7 [ 459.487112][ T2037] 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) [ 459.488129][ T2037] RSP: 002b:00007ffea8ce9ed8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 459.488556][ T2037] RAX: ffffffffffffffda RBX: 00007ffea8cea600 RCX: 00007f801ac771e7 [ 459.488992][ T2037] RDX: 0000000000000000 RSI: 00007ffea8ce9f40 RDI: 0000000000000005 [ 459.489424][ T2037] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 459.489930][ T2037] R10: 00007f801ab74ee8 R11: 0000000000000246 R12: 0000000000000004 [ 459.490358][ T2037] R13: 00000000686e1998 R14: 0000000000499600 R15: 0000000000000000 | [ 460.901652][ T2051] ------------[ cut here ]------------ | [ 460.902016][ T2051] WARNING: CPU: 1 PID: 2051 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) | [ 460.902611][ T2051] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth | [ 460.904749][ T2051] Tainted: [W]=WARN [ 460.904975][ T2051] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 460.905327][ T2051] 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) [ 460.905656][ T2051] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 460.907171][ T2051] RSP: 0018:ffffc90001adf140 EFLAGS: 00010246 [ 460.907539][ T2051] RAX: 0000000000000000 RBX: ffff8880072e9000 RCX: 0000000000000001 [ 460.907985][ T2051] RDX: 0000000000000000 RSI: ffffffffb669b941 RDI: ffffffffb5e555e0 [ 460.908409][ T2051] RBP: ffffc90001adf230 R08: ffff88800eca6800 R09: 0000000000000000 [ 460.908844][ T2051] R10: ffffc90001adf5c8 R11: ffffffffb7450668 R12: 1ffff9200035be2c [ 460.909267][ T2051] R13: 00000000000005dc R14: ffffc90001adf880 R15: ffff88800f400e60 [ 460.909693][ T2051] FS: 00007f87b8a41800(0000) GS:ffff88807db37000(0000) knlGS:0000000000000000 [ 460.910315][ T2051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 460.910735][ T2051] CR2: 00000000004e5aa0 CR3: 000000000f513004 CR4: 0000000000772ef0 [ 460.911217][ T2051] PKRU: 55555554 [ 460.911462][ T2051] Call Trace: [ 460.911743][ T2051] [ 460.911930][ T2051] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 460.912274][ T2051] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 460.912613][ T2051] ? __lock_release (kernel/locking/lockdep.c:5539) [ 460.912945][ T2051] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 460.913267][ T2051] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 460.913551][ T2051] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 460.913986][ T2051] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 460.914325][ T2051] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 460.914698][ T2051] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 460.915001][ T2051] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 460.915285][ T2051] ? __kernel_text_address (kernel/extable.c:79) [ 460.915578][ T2051] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 460.915976][ T2051] ? __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) [ 460.916264][ T2051] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 460.916630][ T2051] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 460.916963][ T2051] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 460.917253][ T2051] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 460.917530][ T2051] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 460.917837][ T2051] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 460.918261][ T2051] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 460.918593][ T2051] ? __create_object (mm/kmemleak.c:771) [ 460.918922][ T2051] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 460.919205][ T2051] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 460.919596][ T2051] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 460.920034][ T2051] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 460.920414][ T2051] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 460.920758][ T2051] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 460.921094][ T2051] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 460.921452][ T2051] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 460.921762][ T2051] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 460.922070][ T2051] ? __lock_release (kernel/locking/lockdep.c:5539) [ 460.922377][ T2051] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 460.922683][ T2051] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 460.923139][ T2051] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 460.923452][ T2051] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 460.923757][ T2051] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 460.924049][ T2051] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 460.924330][ T2051] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 460.924618][ T2051] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 460.925014][ T2051] ? 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) [ 460.925355][ T2051] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 460.925641][ T2051] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 460.925963][ T2051] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 460.926334][ T2051] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 460.926726][ T2051] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 460.927056][ T2051] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 460.927383][ T2051] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 460.927740][ T2051] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 460.928091][ T2051] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 460.928496][ T2051] ___sys_sendmsg (net/socket.c:2670) [ 460.928899][ T2051] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 460.929196][ T2051] ? __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) [ 460.929614][ T2051] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 460.930044][ T2051] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 460.930342][ T2051] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 460.930641][ T2051] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 460.930970][ T2051] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 460.931282][ T2051] ? __lock_release (kernel/locking/lockdep.c:5539) [ 460.931571][ T2051] __sys_sendmsg (net/socket.c:2700) [ 460.931876][ T2051] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 460.932235][ T2051] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 460.932524][ T2051] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 460.932824][ T2051] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 460.933109][ T2051] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 460.933453][ T2051] RIP: 0033:0x7f87b8c0e1e7 [ 460.933752][ T2051] 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) [ 460.934776][ T2051] RSP: 002b:00007ffe7c0a7098 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 460.935230][ T2051] RAX: ffffffffffffffda RBX: 00007ffe7c0a77c0 RCX: 00007f87b8c0e1e7 [ 460.935646][ T2051] RDX: 0000000000000000 RSI: 00007ffe7c0a7100 RDI: 0000000000000005 [ 460.936091][ T2051] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 460.936520][ T2051] R10: 00007f87b8b0bee8 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