====================================== | # [ 23.215233] veth1: entered promiscuous mode | # [ 23.219883] ------------[ cut here ]------------ | # [ 23.220237] WARNING: CPU: 0 PID: 288 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) | # [ 23.220902] Modules linked in: bridge stp llc veth # [ 23.221909] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 # [ 23.223793] 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) # [ 23.224146] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02 mov 0x2381c87(%rip),%eax # 0x2381c8f 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 ca d1 79 00 call 0x79d1eb 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 # [ 23.225365] RSP: 0018:ffffc900004feef0 EFLAGS: 00010246 # [ 23.225809] RAX: 0000000000000000 RBX: ffff8880150aa000 RCX: 0000000000000001 # [ 23.226315] RDX: 0000000000000000 RSI: ffffffffa829f52e RDI: ffffffffa7a5a5a0 # [ 23.226815] RBP: ffffc900004fefe0 R08: 0000000000000000 R09: 0000000000000000 # [ 23.227328] R10: ffffc900004ff010 R11: ffffffffa87798a0 R12: 1ffff9200009fde2 # [ 23.227876] R13: 00000000000005dc R14: ffffc900004ff010 R15: ffff8880150aaf08 # [ 23.228389] FS: 00007f049fd75800(0000) GS:ffff88808bea7000(0000) knlGS:0000000000000000 # [ 23.228972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 23.229408] CR2: 00000000004e5aa8 CR3: 0000000004e4f005 CR4: 0000000000772ef0 # [ 23.229899] PKRU: 55555554 # [ 23.230147] Call Trace: # [ 23.230413] # [ 23.230585] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) # [ 23.230926] ? __lock_acquire (kernel/locking/lockdep.c:5240) # [ 23.231283] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 23.231623] netif_set_mtu (net/core/dev.c:9652) # [ 23.231966] ? __pfx_netif_set_mtu (net/core/dev.c:9647) # [ 23.232329] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) # [ 23.232837] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge # [ 23.233313] br_add_if (net/bridge/br_if.c:697) bridge # [ 23.233692] do_set_master (net/core/rtnetlink.c:2948) # [ 23.234021] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) # [ 23.234373] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) # [ 23.234799] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) # [ 23.235146] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) # [ 23.235494] ? __kernel_text_address (kernel/extable.c:79) # [ 23.235840] ? __lock_acquire (kernel/locking/lockdep.c:5240) # [ 23.236175] ? __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) # [ 23.236516] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) # [ 23.236931] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) # [ 23.237271] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) # [ 23.237593] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) # [ 23.237911] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) # [ 23.238233] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 23.238576] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) # [ 23.238914] ? __create_object (mm/kmemleak.c:771) # [ 23.239253] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) # [ 23.239598] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) # [ 23.239923] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) # [ 23.240328] ? __rtnl_newlink (net/core/rtnetlink.c:3907) # [ 23.240654] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) # [ 23.240981] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) # [ 23.241321] ? __lock_acquire (kernel/locking/lockdep.c:5240) # [ 23.241648] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 23.241967] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) # [ 23.242295] ? __lock_release (kernel/locking/lockdep.c:5539) # [ 23.242616] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) # [ 23.242932] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) # [ 23.243275] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) # [ 23.243605] ? __lock_acquire (kernel/locking/lockdep.c:5240) # [ 23.243933] netlink_rcv_skb (net/netlink/af_netlink.c:2551) # [ 23.244272] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) # [ 23.244595] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) # [ 23.244937] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) # [ 23.245256] ? 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) # [ 23.245600] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) # [ 23.245924] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) # [ 23.246255] netlink_sendmsg (net/netlink/af_netlink.c:1896) # [ 23.246607] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) # [ 23.246927] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) # [ 23.247259] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) # [ 23.247616] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) # [ 23.247945] ? __pfx_____sys_sendmsg (net/socket.c:2560) # [ 23.248286] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) # [ 23.248701] ___sys_sendmsg (net/socket.c:2670) # [ 23.249021] ? kasan_record_aux_stack (mm/kasan/generic.c:548) # [ 23.249367] ? __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) # [ 23.249767] ? __pfx____sys_sendmsg (net/socket.c:2657) # [ 23.250095] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 23.250430] ? __lock_acquire (kernel/locking/lockdep.c:5240) # [ 23.250772] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 23.251099] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) # [ 23.251432] ? __lock_release (kernel/locking/lockdep.c:5539) # [ 23.251776] __sys_sendmsg (net/socket.c:2700) # [ 23.252098] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) # [ 23.252522] ? __pfx___sys_sendmsg (net/socket.c:2685) # [ 23.253129] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) # [ 23.253463] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) # [ 23.253789] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) # [ 23.254195] RIP: 0033:0x7f049ff421e7 # [ 23.254546] 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) # [ 23.255978] RSP: 002b:00007ffe651866a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e # [ 23.256479] RAX: ffffffffffffffda RBX: 00007ffe65186de0 RCX: 00007f049ff421e7 # [ 23.256981] RDX: 0000000000000000 RSI: 00007ffe65186710 RDI: 0000000000000005 # [ 23.257710] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 # [ 23.258204] R10: 000000000b83e910 R11: 0000000000000246 R12: 0000000000000003 # [ 23.258702] R13: 00000000686e2143 R14: 0000000000499600 R15: 0000000000000000 | # [ 23.423824] ------------[ cut here ]------------ | # [ 23.424170] WARNING: CPU: 2 PID: 289 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) | # [ 23.424830] Modules linked in: bridge stp llc veth | # [ 23.426737] Tainted: [W]=WARN # [ 23.427108] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 # [ 23.427535] 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) # [ 23.427873] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02 mov 0x2381c87(%rip),%eax # 0x2381c8f 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 ca d1 79 00 call 0x79d1eb 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 # [ 23.429007] RSP: 0018:ffffc9000050eef0 EFLAGS: 00010246 # [ 23.429447] RAX: 0000000000000000 RBX: ffff8880150aa000 RCX: 0000000000000001 # [ 23.429928] RDX: 0000000000000000 RSI: ffffffffa829f52e RDI: ffffffffa7a5a5a0 # [ 23.430424] RBP: ffffc9000050efe0 R08: 0000000000000000 R09: 0000000000000000 # [ 23.430926] R10: ffffc9000050f010 R11: ffffffffa90b19b8 R12: 1ffff920000a1de2 # [ 23.431424] R13: 00000000000005dc R14: ffffc9000050f010 R15: ffff8880150aaf08 # [ 23.431902] FS: 00007f3b113e0800(0000) GS:ffff88808bfa7000(0000) knlGS:0000000000000000 # [ 23.432472] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 23.432876] CR2: 00000000004e5ab0 CR3: 000000000c8f2002 CR4: 0000000000772ef0 # [ 23.433376] PKRU: 55555554 # [ 23.433622] Call Trace: # [ 23.433869] # [ 23.434043] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) # [ 23.434386] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 23.434723] ? mark_held_locks (kernel/locking/lockdep.c:4328) # [ 23.435062] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) # [ 23.435482] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) # [ 23.435821] netif_set_mtu (net/core/dev.c:9652) # [ 23.436149] ? __pfx_netif_set_mtu (net/core/dev.c:9647) # [ 23.436503] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge # [ 23.436959] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) # [ 23.437216] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge # [ 23.437671] br_add_if (net/bridge/br_if.c:697) bridge # [ 23.438045] do_set_master (net/core/rtnetlink.c:2948) # [ 23.438391] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) # [ 23.438719] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) # [ 23.439126] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) # [ 23.439465] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) # [ 23.439786] ? __kernel_text_address (kernel/extable.c:79) # [ 23.440118] ? __lock_acquire (kernel/locking/lockdep.c:5240) # [ 23.440466] ? __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) # [ 23.440798] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) # [ 23.441197] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) # [ 23.441539] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) # [ 23.441859] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) # [ 23.442182] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) # [ 23.442521] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 23.442846] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) # [ 23.443178] ? __create_object (mm/kmemleak.c:771) # [ 23.443520] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) # [ 23.443847] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) # [ 23.444171] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) # [ 23.444582] ? __rtnl_newlink (net/core/rtnetlink.c:3907) # [ 23.444923] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) # [ 23.445257] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) # [ 23.445597] ? __lock_acquire (kernel/locking/lockdep.c:5240) # [ 23.445938] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 23.446281] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) # [ 23.446606] ? __lock_release (kernel/locking/lockdep.c:5539) # [ 23.446933] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) # [ 23.447258] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) # [ 23.447601] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) # [ 23.447932] ? __lock_acquire (kernel/locking/lockdep.c:5240) # [ 23.448275] netlink_rcv_skb (net/netlink/af_netlink.c:2551) # [ 23.448610] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) # [ 23.448934] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) # [ 23.449285] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) # [ 23.449611] ? 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) # [ 23.449939] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) # [ 23.450277] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) # [ 23.450618] netlink_sendmsg (net/netlink/af_netlink.c:1896) # [ 23.450947] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) # [ 23.451286] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) # [ 23.451613] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) # [ 23.451942] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) # [ 23.452281] ? __pfx_____sys_sendmsg (net/socket.c:2560) # [ 23.452611] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) # [ 23.453028] ___sys_sendmsg (net/socket.c:2670) # [ 23.453372] ? kasan_record_aux_stack (mm/kasan/generic.c:548) # [ 23.453698] ? __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) # [ 23.454099] ? __pfx____sys_sendmsg (net/socket.c:2657) # [ 23.454442] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 23.454770] ? __lock_acquire (kernel/locking/lockdep.c:5240) # [ 23.455117] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 23.455458] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) # [ 23.455784] ? __lock_release (kernel/locking/lockdep.c:5539) # [ 23.456113] __sys_sendmsg (net/socket.c:2700) # [ 23.456454] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) # [ 23.456854] ? __pfx___sys_sendmsg (net/socket.c:2685) # [ 23.457191] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) # [ 23.457531] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) # [ 23.457861] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) # [ 23.458277] RIP: 0033:0x7f3b115ad1e7 # [ 23.458612] 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) # [ 23.459746] RSP: 002b:00007fff92290f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e # [ 23.460229] RAX: ffffffffffffffda RBX: 00007fff92291680 RCX: 00007f3b115ad1e7 # [ 23.460727] RDX: 0000000000000000 RSI: 00007fff92290fb0 RDI: 0000000000000005 # [ 23.461206] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 # [ 23.461698] R10: 0000000020b2c910 R11: 0000000000000246 R12: 0000000000000003 # [ 23.462173] R13: 00000000686e2144 R14: 0000000000499600 R15: 0000000000000000 | # [ 23.630237] ------------[ cut here ]------------ | # [ 23.630593] WARNING: CPU: 0 PID: 290 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) | # [ 23.631277] Modules linked in: bridge stp llc veth | # [ 23.632379] Tainted: [W]=WARN # [ 23.632617] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 # [ 23.633005] 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) # [ 23.633338] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02 mov 0x2381c87(%rip),%eax # 0x2381c8f 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 ca d1 79 00 call 0x79d1eb 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 # [ 23.634462] RSP: 0018:ffffc9000050eef0 EFLAGS: 00010246 # [ 23.634868] RAX: 0000000000000000 RBX: ffff8880150aa000 RCX: 0000000000000001 # [ 23.635351] RDX: 0000000000000000 RSI: ffffffffa829f52e RDI: ffffffffa7a5a5a0 # [ 23.635822] RBP: ffffc9000050efe0 R08: 0000000000000000 R09: 0000000000000000 # [ 23.636311] R10: ffffc9000050f010 R11: ffffffffa87798a0 R12: 1ffff920000a1de2 # [ 23.636779] R13: 00000000000005dc R14: ffffc9000050f010 R15: ffff8880150aaf08 # [ 23.637245] FS: 00007fccd8f12800(0000) GS:ffff88808bea7000(0000) knlGS:0000000000000000 # [ 23.637811] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 23.638208] CR2: 00000000004e5ab8 CR3: 000000000c8f2006 CR4: 0000000000772ef0 # [ 23.638687] PKRU: 55555554 # [ 23.638930] Call Trace: # [ 23.639165] # [ 23.639336] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) # [ 23.639652] ? __lock_acquire (kernel/locking/lockdep.c:5240) # [ 23.639980] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 23.640317] netif_set_mtu (net/core/dev.c:9652) # [ 23.640636] ? __pfx_netif_set_mtu (net/core/dev.c:9647) # [ 23.640965] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) # [ 23.641199] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge # [ 23.641645] br_add_if (net/bridge/br_if.c:697) bridge # [ 23.642005] do_set_master (net/core/rtnetlink.c:2948) # [ 23.642326] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) # [ 23.642644] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) # [ 23.643042] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) # [ 23.643361] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) # [ 23.643668] ? __kernel_text_address (kernel/extable.c:79) # [ 23.643984] ? __lock_acquire (kernel/locking/lockdep.c:5240) # [ 23.644421] ? __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) # [ 23.644736] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) # [ 23.645133] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) # [ 23.645454] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) # [ 23.645760] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) # [ 23.646067] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) # [ 23.646389] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 23.646698] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) # [ 23.647009] ? __create_object (mm/kmemleak.c:771) # [ 23.647336] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) # [ 23.647649] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) # [ 23.647958] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) # [ 23.648363] ? __rtnl_newlink (net/core/rtnetlink.c:3907) # [ 23.648706] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) # [ 23.649019] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) # [ 23.649380] ? __lock_acquire (kernel/locking/lockdep.c:5240) # [ 23.649696] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 23.650014] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) # [ 23.650336] ? __lock_release (kernel/locking/lockdep.c:5539) # [ 23.650651] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) # [ 23.650963] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) # [ 23.651291] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) # [ 23.651607] ? __lock_acquire (kernel/locking/lockdep.c:5240) # [ 23.651922] netlink_rcv_skb (net/netlink/af_netlink.c:2551) # [ 23.652246] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) # [ 23.652580] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) # [ 23.652903] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) # [ 23.653255] ? 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) # [ 23.653586] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) # [ 23.653898] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) # [ 23.654213] netlink_sendmsg (net/netlink/af_netlink.c:1896) # [ 23.654538] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) # [ 23.654866] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) # [ 23.655184] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) # [ 23.655512] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) # [ 23.655826] ? __pfx_____sys_sendmsg (net/socket.c:2560) # [ 23.656169] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) # [ 23.656598] ___sys_sendmsg (net/socket.c:2670) # [ 23.656916] ? kasan_record_aux_stack (mm/kasan/generic.c:548) # [ 23.657227] ? __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) # [ 23.657626] ? __pfx____sys_sendmsg (net/socket.c:2657) # [ 23.657937] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 23.658250] ? __lock_acquire (kernel/locking/lockdep.c:5240) # [ 23.658572] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 23.658880] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) # [ 23.659192] ? __lock_release (kernel/locking/lockdep.c:5539) # [ 23.659518] __sys_sendmsg (net/socket.c:2700) # [ 23.659837] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) # [ 23.660218] ? __pfx___sys_sendmsg (net/socket.c:2685) # [ 23.660564] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) # [ 23.660877] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) # [ 23.661190] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) # [ 23.661585] RIP: 0033:0x7fccd90df1e7 # [ 23.661917] 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) # [ 23.663038] RSP: 002b:00007ffe17ba57b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e # [ 23.663516] RAX: ffffffffffffffda RBX: 00007ffe17ba5ef0 RCX: 00007fccd90df1e7 # [ 23.663998] RDX: 0000000000000000 RSI: 00007ffe17ba5820 RDI: 0000000000000005 # [ 23.664490] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 # [ 23.664976] R10: 00000000275ec910 R11: 0000000000000246 R12: 0000000000000003 # [ 23.665449] R13: 00000000686e2144 R14: 0000000000499600 R15: 0000000000000000 | # [ 25.046258] ------------[ cut here ]------------ | # [ 25.046607] 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) | # [ 25.047224] Modules linked in: macvlan bridge stp llc veth | # [ 25.049130] Tainted: [W]=WARN # [ 25.049374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 # [ 25.049770] 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) # [ 25.050093] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02 mov 0x2381c87(%rip),%eax # 0x2381c8f 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 ca d1 79 00 call 0x79d1eb 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 # [ 25.051239] RSP: 0018:ffffc900005f6ef0 EFLAGS: 00010246 # [ 25.051645] RAX: 0000000000000000 RBX: ffff8880150aa000 RCX: 0000000000000001 # [ 25.052120] RDX: 0000000000000000 RSI: ffffffffa829f52e RDI: ffffffffa7a5a5a0 # [ 25.052604] RBP: ffffc900005f6fe0 R08: 0000000000000000 R09: 0000000000000000 # [ 25.053071] R10: ffffc900005f7010 R11: ffffffffa90b19b8 R12: 1ffff920000bede2 # [ 25.053547] R13: 00000000000005dc R14: ffffc900005f7010 R15: ffff8880150aaf08 # [ 25.054021] FS: 00007fd0e2378800(0000) GS:ffff88808bea7000(0000) knlGS:0000000000000000 # [ 25.054585] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 25.055000] CR2: 00000000004e5818 CR3: 000000000ba73003 CR4: 0000000000772ef0 # [ 25.055489] PKRU: 55555554 # [ 25.055736] Call Trace: # [ 25.055975] # [ 25.056142] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) # [ 25.056479] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 25.056808] ? mark_held_locks (kernel/locking/lockdep.c:4328) # [ 25.057121] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) # [ 25.057526] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) # [ 25.057877] netif_set_mtu (net/core/dev.c:9652) # [ 25.058191] ? __pfx_netif_set_mtu (net/core/dev.c:9647) # [ 25.058543] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge # [ 25.058997] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) # [ 25.059242] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge # [ 25.059685] br_add_if (net/bridge/br_if.c:697) bridge # [ 25.060051] do_set_master (net/core/rtnetlink.c:2948) # [ 25.060382] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) # [ 25.060706] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) # [ 25.061099] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) # [ 25.061424] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) # [ 25.061739] ? __kernel_text_address (kernel/extable.c:79) # [ 25.062065] ? __lock_acquire (kernel/locking/lockdep.c:5240) # [ 25.062411] ? __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) # [ 25.062727] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) # [ 25.063148] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) # [ 25.063470] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) # [ 25.063781] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) # [ 25.064091] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) # [ 25.064417] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 25.064731] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) # [ 25.065050] ? __create_object (mm/kmemleak.c:771) # [ 25.065403] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) # [ 25.065717] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) # [ 25.066033] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) # [ 25.066443] ? __rtnl_newlink (net/core/rtnetlink.c:3907) # [ 25.066771] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) # [ 25.067086] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) # [ 25.067404] ? __lock_acquire (kernel/locking/lockdep.c:5240) # [ 25.067745] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 25.068054] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) # [ 25.068372] ? __lock_release (kernel/locking/lockdep.c:5539) # [ 25.068687] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) # [ 25.069000] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) # [ 25.069351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) # [ 25.069665] ? __lock_acquire (kernel/locking/lockdep.c:5240) # [ 25.069980] netlink_rcv_skb (net/netlink/af_netlink.c:2551) # [ 25.070320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) # [ 25.070632] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) # [ 25.070951] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) # [ 25.071279] ? 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) # [ 25.071601] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) # [ 25.071921] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) # [ 25.072240] netlink_sendmsg (net/netlink/af_netlink.c:1896) # [ 25.072568] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) # [ 25.072879] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) # [ 25.073191] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) # [ 25.073516] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) # [ 25.073832] ? __pfx_____sys_sendmsg (net/socket.c:2560) # [ 25.074144] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) # [ 25.074599] ___sys_sendmsg (net/socket.c:2670) # [ 25.074921] ? kasan_record_aux_stack (mm/kasan/generic.c:548) # [ 25.075229] ? __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) # [ 25.075630] ? __pfx____sys_sendmsg (net/socket.c:2657) # [ 25.075946] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 25.076288] ? __lock_acquire (kernel/locking/lockdep.c:5240) # [ 25.076604] ? find_held_lock (kernel/locking/lockdep.c:5353) # [ 25.076915] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) # [ 25.077223] ? __lock_release (kernel/locking/lockdep.c:5539) # [ 25.077576] __sys_sendmsg (net/socket.c:2700) # [ 25.077889] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) # [ 25.078301] ? __pfx___sys_sendmsg (net/socket.c:2685) # [ 25.078629] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) # [ 25.078946] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) # [ 25.079293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) # [ 25.079678] RIP: 0033:0x7fd0e25451e7 # [ 25.080005] 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) # [ 25.081132] RSP: 002b:00007fffef91d8d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e # [ 25.081611] RAX: ffffffffffffffda RBX: 00007fffef91e010 RCX: 00007fd0e25451e7 # [ 25.082076] RDX: 0000000000000000 RSI: 00007fffef91d940 RDI: 0000000000000005 # [ 25.082562] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 # [ 25.083031] R10: 0000000007ab7910 R11: 0000000000000246 R12: 0000000000000003 # [ 25.083507] R13: 00000000686e2145 R14: 0000000000499600 R15: 0000000000000000 | [ 23.215233][ T288] veth1: entered promiscuous mode | [ 23.219883][ T288] ------------[ cut here ]------------ | [ 23.220237][ T288] WARNING: CPU: 0 PID: 288 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) | [ 23.220902][ T288] Modules linked in: bridge stp llc veth [ 23.221909][ T288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.223793][ T288] 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) [ 23.224146][ T288] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02 mov 0x2381c87(%rip),%eax # 0x2381c8f 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 ca d1 79 00 call 0x79d1eb 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 [ 23.225365][ T288] RSP: 0018:ffffc900004feef0 EFLAGS: 00010246 [ 23.225809][ T288] RAX: 0000000000000000 RBX: ffff8880150aa000 RCX: 0000000000000001 [ 23.226315][ T288] RDX: 0000000000000000 RSI: ffffffffa829f52e RDI: ffffffffa7a5a5a0 [ 23.226815][ T288] RBP: ffffc900004fefe0 R08: 0000000000000000 R09: 0000000000000000 [ 23.227328][ T288] R10: ffffc900004ff010 R11: ffffffffa87798a0 R12: 1ffff9200009fde2 [ 23.227876][ T288] R13: 00000000000005dc R14: ffffc900004ff010 R15: ffff8880150aaf08 [ 23.228389][ T288] FS: 00007f049fd75800(0000) GS:ffff88808bea7000(0000) knlGS:0000000000000000 [ 23.228972][ T288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.229408][ T288] CR2: 00000000004e5aa8 CR3: 0000000004e4f005 CR4: 0000000000772ef0 [ 23.229899][ T288] PKRU: 55555554 [ 23.230147][ T288] Call Trace: [ 23.230413][ T288] [ 23.230585][ T288] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 23.230926][ T288] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.231283][ T288] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.231623][ T288] netif_set_mtu (net/core/dev.c:9652) [ 23.231966][ T288] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 23.232329][ T288] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 23.232837][ T288] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 23.233313][ T288] br_add_if (net/bridge/br_if.c:697) bridge [ 23.233692][ T288] do_set_master (net/core/rtnetlink.c:2948) [ 23.234021][ T288] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 23.234373][ T288] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 23.234799][ T288] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.235146][ T288] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 23.235494][ T288] ? __kernel_text_address (kernel/extable.c:79) [ 23.235840][ T288] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.236175][ T288] ? __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) [ 23.236516][ T288] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 23.236931][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.237271][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.237593][ T288] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 23.237911][ T288] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 23.238233][ T288] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.238576][ T288] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 23.238914][ T288] ? __create_object (mm/kmemleak.c:771) [ 23.239253][ T288] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 23.239598][ T288] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 23.239923][ T288] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 23.240328][ T288] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 23.240654][ T288] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 23.240981][ T288] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.241321][ T288] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.241648][ T288] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.241967][ T288] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 23.242295][ T288] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.242616][ T288] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.242932][ T288] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 23.243275][ T288] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.243605][ T288] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.243933][ T288] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 23.244272][ T288] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.244595][ T288] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 23.244937][ T288] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 23.245256][ T288] ? 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) [ 23.245600][ T288] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 23.245924][ T288] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 23.246255][ T288] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 23.246607][ T288] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 23.246927][ T288] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 23.247259][ T288] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) [ 23.247616][ T288] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 23.247945][ T288] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 23.248286][ T288] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 23.248701][ T288] ___sys_sendmsg (net/socket.c:2670) [ 23.249021][ T288] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 23.249367][ T288] ? __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) [ 23.249767][ T288] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 23.250095][ T288] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.250430][ T288] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.250772][ T288] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.251099][ T288] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 23.251432][ T288] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.251776][ T288] __sys_sendmsg (net/socket.c:2700) [ 23.252098][ T288] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 23.252522][ T288] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 23.253129][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.253463][ T288] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 23.253789][ T288] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 23.254195][ T288] RIP: 0033:0x7f049ff421e7 [ 23.254546][ T288] 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) [ 23.255978][ T288] RSP: 002b:00007ffe651866a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 23.256479][ T288] RAX: ffffffffffffffda RBX: 00007ffe65186de0 RCX: 00007f049ff421e7 [ 23.256981][ T288] RDX: 0000000000000000 RSI: 00007ffe65186710 RDI: 0000000000000005 [ 23.257710][ T288] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 23.258204][ T288] R10: 000000000b83e910 R11: 0000000000000246 R12: 0000000000000003 [ 23.258702][ T288] R13: 00000000686e2143 R14: 0000000000499600 R15: 0000000000000000 | [ 23.423824][ T289] ------------[ cut here ]------------ | [ 23.424170][ T289] WARNING: CPU: 2 PID: 289 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) | [ 23.424830][ T289] Modules linked in: bridge stp llc veth | [ 23.426737][ T289] Tainted: [W]=WARN [ 23.427108][ T289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.427535][ T289] 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) [ 23.427873][ T289] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02 mov 0x2381c87(%rip),%eax # 0x2381c8f 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 ca d1 79 00 call 0x79d1eb 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 [ 23.429007][ T289] RSP: 0018:ffffc9000050eef0 EFLAGS: 00010246 [ 23.429447][ T289] RAX: 0000000000000000 RBX: ffff8880150aa000 RCX: 0000000000000001 [ 23.429928][ T289] RDX: 0000000000000000 RSI: ffffffffa829f52e RDI: ffffffffa7a5a5a0 [ 23.430424][ T289] RBP: ffffc9000050efe0 R08: 0000000000000000 R09: 0000000000000000 [ 23.430926][ T289] R10: ffffc9000050f010 R11: ffffffffa90b19b8 R12: 1ffff920000a1de2 [ 23.431424][ T289] R13: 00000000000005dc R14: ffffc9000050f010 R15: ffff8880150aaf08 [ 23.431902][ T289] FS: 00007f3b113e0800(0000) GS:ffff88808bfa7000(0000) knlGS:0000000000000000 [ 23.432472][ T289] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.432876][ T289] CR2: 00000000004e5ab0 CR3: 000000000c8f2002 CR4: 0000000000772ef0 [ 23.433376][ T289] PKRU: 55555554 [ 23.433622][ T289] Call Trace: [ 23.433869][ T289] [ 23.434043][ T289] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 23.434386][ T289] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.434723][ T289] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 23.435062][ T289] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 23.435482][ T289] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 23.435821][ T289] netif_set_mtu (net/core/dev.c:9652) [ 23.436149][ T289] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 23.436503][ T289] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 23.436959][ T289] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 23.437216][ T289] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 23.437671][ T289] br_add_if (net/bridge/br_if.c:697) bridge [ 23.438045][ T289] do_set_master (net/core/rtnetlink.c:2948) [ 23.438391][ T289] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 23.438719][ T289] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 23.439126][ T289] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.439465][ T289] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 23.439786][ T289] ? __kernel_text_address (kernel/extable.c:79) [ 23.440118][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.440466][ T289] ? __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) [ 23.440798][ T289] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 23.441197][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.441539][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.441859][ T289] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 23.442182][ T289] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 23.442521][ T289] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.442846][ T289] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 23.443178][ T289] ? __create_object (mm/kmemleak.c:771) [ 23.443520][ T289] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 23.443847][ T289] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 23.444171][ T289] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 23.444582][ T289] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 23.444923][ T289] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 23.445257][ T289] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.445597][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.445938][ T289] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.446281][ T289] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 23.446606][ T289] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.446933][ T289] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.447258][ T289] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 23.447601][ T289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.447932][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.448275][ T289] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 23.448610][ T289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.448934][ T289] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 23.449285][ T289] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 23.449611][ T289] ? 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) [ 23.449939][ T289] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 23.450277][ T289] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 23.450618][ T289] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 23.450947][ T289] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 23.451286][ T289] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 23.451613][ T289] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) [ 23.451942][ T289] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 23.452281][ T289] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 23.452611][ T289] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 23.453028][ T289] ___sys_sendmsg (net/socket.c:2670) [ 23.453372][ T289] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 23.453698][ T289] ? __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) [ 23.454099][ T289] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 23.454442][ T289] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.454770][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.455117][ T289] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.455458][ T289] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 23.455784][ T289] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.456113][ T289] __sys_sendmsg (net/socket.c:2700) [ 23.456454][ T289] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 23.456854][ T289] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 23.457191][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.457531][ T289] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 23.457861][ T289] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 23.458277][ T289] RIP: 0033:0x7f3b115ad1e7 [ 23.458612][ T289] 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) [ 23.459746][ T289] RSP: 002b:00007fff92290f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 23.460229][ T289] RAX: ffffffffffffffda RBX: 00007fff92291680 RCX: 00007f3b115ad1e7 [ 23.460727][ T289] RDX: 0000000000000000 RSI: 00007fff92290fb0 RDI: 0000000000000005 [ 23.461206][ T289] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 23.461698][ T289] R10: 0000000020b2c910 R11: 0000000000000246 R12: 0000000000000003 [ 23.462173][ T289] R13: 00000000686e2144 R14: 0000000000499600 R15: 0000000000000000 | [ 23.630237][ T290] ------------[ cut here ]------------ | [ 23.630593][ T290] WARNING: CPU: 0 PID: 290 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) | [ 23.631277][ T290] Modules linked in: bridge stp llc veth | [ 23.632379][ T290] Tainted: [W]=WARN [ 23.632617][ T290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.633005][ T290] 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) [ 23.633338][ T290] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02 mov 0x2381c87(%rip),%eax # 0x2381c8f 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 ca d1 79 00 call 0x79d1eb 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 [ 23.634462][ T290] RSP: 0018:ffffc9000050eef0 EFLAGS: 00010246 [ 23.634868][ T290] RAX: 0000000000000000 RBX: ffff8880150aa000 RCX: 0000000000000001 [ 23.635351][ T290] RDX: 0000000000000000 RSI: ffffffffa829f52e RDI: ffffffffa7a5a5a0 [ 23.635822][ T290] RBP: ffffc9000050efe0 R08: 0000000000000000 R09: 0000000000000000 [ 23.636311][ T290] R10: ffffc9000050f010 R11: ffffffffa87798a0 R12: 1ffff920000a1de2 [ 23.636779][ T290] R13: 00000000000005dc R14: ffffc9000050f010 R15: ffff8880150aaf08 [ 23.637245][ T290] FS: 00007fccd8f12800(0000) GS:ffff88808bea7000(0000) knlGS:0000000000000000 [ 23.637811][ T290] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.638208][ T290] CR2: 00000000004e5ab8 CR3: 000000000c8f2006 CR4: 0000000000772ef0 [ 23.638687][ T290] PKRU: 55555554 [ 23.638930][ T290] Call Trace: [ 23.639165][ T290] [ 23.639336][ T290] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 23.639652][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.639980][ T290] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.640317][ T290] netif_set_mtu (net/core/dev.c:9652) [ 23.640636][ T290] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 23.640965][ T290] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 23.641199][ T290] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 23.641645][ T290] br_add_if (net/bridge/br_if.c:697) bridge [ 23.642005][ T290] do_set_master (net/core/rtnetlink.c:2948) [ 23.642326][ T290] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 23.642644][ T290] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 23.643042][ T290] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.643361][ T290] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 23.643668][ T290] ? __kernel_text_address (kernel/extable.c:79) [ 23.643984][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.644421][ T290] ? __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) [ 23.644736][ T290] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 23.645133][ T290] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.645454][ T290] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.645760][ T290] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 23.646067][ T290] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 23.646389][ T290] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.646698][ T290] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 23.647009][ T290] ? __create_object (mm/kmemleak.c:771) [ 23.647336][ T290] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 23.647649][ T290] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 23.647958][ T290] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 23.648363][ T290] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 23.648706][ T290] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 23.649019][ T290] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.649380][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.649696][ T290] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.650014][ T290] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 23.650336][ T290] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.650651][ T290] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.650963][ T290] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 23.651291][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.651607][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.651922][ T290] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 23.652246][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.652580][ T290] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 23.652903][ T290] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 23.653255][ T290] ? 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) [ 23.653586][ T290] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 23.653898][ T290] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 23.654213][ T290] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 23.654538][ T290] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 23.654866][ T290] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 23.655184][ T290] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) [ 23.655512][ T290] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 23.655826][ T290] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 23.656169][ T290] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 23.656598][ T290] ___sys_sendmsg (net/socket.c:2670) [ 23.656916][ T290] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 23.657227][ T290] ? __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) [ 23.657626][ T290] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 23.657937][ T290] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.658250][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.658572][ T290] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.658880][ T290] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 23.659192][ T290] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.659518][ T290] __sys_sendmsg (net/socket.c:2700) [ 23.659837][ T290] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 23.660218][ T290] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 23.660564][ T290] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.660877][ T290] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 23.661190][ T290] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 23.661585][ T290] RIP: 0033:0x7fccd90df1e7 [ 23.661917][ T290] 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) [ 23.663038][ T290] RSP: 002b:00007ffe17ba57b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 23.663516][ T290] RAX: ffffffffffffffda RBX: 00007ffe17ba5ef0 RCX: 00007fccd90df1e7 [ 23.663998][ T290] RDX: 0000000000000000 RSI: 00007ffe17ba5820 RDI: 0000000000000005 [ 23.664490][ T290] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 23.664976][ T290] R10: 00000000275ec910 R11: 0000000000000246 R12: 0000000000000003 [ 23.665449][ T290] R13: 00000000686e2144 R14: 0000000000499600 R15: 0000000000000000 | [ 25.046258][ T299] ------------[ cut here ]------------ | [ 25.046607][ 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) | [ 25.047224][ T299] Modules linked in: macvlan bridge stp llc veth | [ 25.049130][ T299] Tainted: [W]=WARN [ 25.049374][ T299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.049770][ 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) [ 25.050093][ T299] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02 mov 0x2381c87(%rip),%eax # 0x2381c8f 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 ca d1 79 00 call 0x79d1eb 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 [ 25.051239][ T299] RSP: 0018:ffffc900005f6ef0 EFLAGS: 00010246 [ 25.051645][ T299] RAX: 0000000000000000 RBX: ffff8880150aa000 RCX: 0000000000000001 [ 25.052120][ T299] RDX: 0000000000000000 RSI: ffffffffa829f52e RDI: ffffffffa7a5a5a0 [ 25.052604][ T299] RBP: ffffc900005f6fe0 R08: 0000000000000000 R09: 0000000000000000 [ 25.053071][ T299] R10: ffffc900005f7010 R11: ffffffffa90b19b8 R12: 1ffff920000bede2 [ 25.053547][ T299] R13: 00000000000005dc R14: ffffc900005f7010 R15: ffff8880150aaf08 [ 25.054021][ T299] FS: 00007fd0e2378800(0000) GS:ffff88808bea7000(0000) knlGS:0000000000000000 [ 25.054585][ T299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.055000][ T299] CR2: 00000000004e5818 CR3: 000000000ba73003 CR4: 0000000000772ef0 [ 25.055489][ T299] PKRU: 55555554 [ 25.055736][ T299] Call Trace: [ 25.055975][ T299] [ 25.056142][ T299] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 25.056479][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.056808][ T299] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 25.057121][ T299] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 25.057526][ T299] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 25.057877][ T299] netif_set_mtu (net/core/dev.c:9652) [ 25.058191][ T299] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 25.058543][ T299] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 25.058997][ T299] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 25.059242][ T299] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 25.059685][ T299] br_add_if (net/bridge/br_if.c:697) bridge [ 25.060051][ T299] do_set_master (net/core/rtnetlink.c:2948) [ 25.060382][ T299] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 25.060706][ T299] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 25.061099][ T299] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.061424][ T299] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 25.061739][ T299] ? __kernel_text_address (kernel/extable.c:79) [ 25.062065][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.062411][ 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) [ 25.062727][ T299] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 25.063148][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.063470][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.063781][ T299] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 25.064091][ T299] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 25.064417][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.064731][ T299] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 25.065050][ T299] ? __create_object (mm/kmemleak.c:771) [ 25.065403][ T299] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 25.065717][ T299] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 25.066033][ T299] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 25.066443][ T299] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 25.066771][ T299] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 25.067086][ T299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 25.067404][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.067745][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.068054][ T299] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 25.068372][ T299] ? __lock_release (kernel/locking/lockdep.c:5539) [ 25.068687][ T299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 25.069000][ T299] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 25.069351][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 25.069665][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.069980][ T299] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 25.070320][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 25.070632][ T299] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 25.070951][ T299] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 25.071279][ 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) [ 25.071601][ T299] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 25.071921][ T299] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 25.072240][ T299] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 25.072568][ T299] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 25.072879][ T299] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 25.073191][ T299] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) [ 25.073516][ T299] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 25.073832][ T299] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 25.074144][ T299] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 25.074599][ T299] ___sys_sendmsg (net/socket.c:2670) [ 25.074921][ T299] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 25.075229][ 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) [ 25.075630][ T299] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 25.075946][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.076288][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.076604][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.076915][ 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) [ 25.077223][ T299] ? __lock_release (kernel/locking/lockdep.c:5539) [ 25.077576][ T299] __sys_sendmsg (net/socket.c:2700) [ 25.077889][ T299] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 25.078301][ T299] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 25.078629][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.078946][ T299] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 25.079293][ T299] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 25.079678][ T299] RIP: 0033:0x7fd0e25451e7 [ 25.080005][ 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) [ 25.081132][ T299] RSP: 002b:00007fffef91d8d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 25.081611][ T299] RAX: ffffffffffffffda RBX: 00007fffef91e010 RCX: 00007fd0e25451e7 [ 25.082076][ T299] RDX: 0000000000000000 RSI: 00007fffef91d940 RDI: 0000000000000005 [ 25.082562][ T299] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 25.083031][ T299] R10: 0000000007ab7910 R11: 0000000000000246 R12: 0000000000000003 Finger prints: netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if