====================================== | [ 20.504161][ T319] ip_gre: GRE over IPv4 tunneling driver | [ 20.552114][ T318] ------------[ cut here ]------------ | [ 20.552598][ T318] WARNING: CPU: 2 PID: 318 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 20.553372][ T318] Modules linked in: ip_gre gre sch_ingress vrf veth [ 20.554434][ T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.554849][ T318] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 20.555188][ T318] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 fa 61 7b 00 call 0x7b621b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 20.556313][ T318] RSP: 0018:ffffc90000bc7000 EFLAGS: 00010246 [ 20.557566][ T318] RAX: 0000000000000000 RBX: ffff8880057ec000 RCX: 0000000000000001 [ 20.558065][ T318] RDX: 0000000000000000 RSI: ffffffff98c9b939 RDI: ffffffff984555e0 [ 20.558565][ T318] RBP: ffffc90000bc70e8 R08: ffff8880057ec218 R09: 0000000000000000 [ 20.559061][ T318] R10: ffffc90000bc7118 R11: ffffffff99179160 R12: 1ffff92000178e04 [ 20.559540][ T318] R13: 00000000000005b6 R14: ffffc90000bc7118 R15: ffff8880057ec218 [ 20.560021][ T318] FS: 00007fd62386b800(0000) GS:ffff88809b5b7000(0000) knlGS:0000000000000000 [ 20.560579][ T318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.560996][ T318] CR2: 00007f5b46264000 CR3: 0000000007830003 CR4: 0000000000772ef0 [ 20.561475][ T318] PKRU: 55555554 [ 20.561733][ T318] Call Trace: [ 20.561977][ T318] [ 20.562149][ T318] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) [ 20.562564][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.562902][ T318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 20.563233][ T318] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) [ 20.563555][ T318] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 20.563895][ T318] netif_set_mtu (net/core/dev.c:9652) [ 20.564221][ T318] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 20.564556][ T318] ? dev_addr_mod (net/core/dev_addr_lists.c:584) [ 20.564887][ T318] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 20.565134][ T318] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) [ 20.565458][ T318] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) [ 20.565803][ T318] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre [ 20.566127][ T318] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre [ 20.566524][ T318] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 20.566863][ T318] ? rtnl_create_link (net/core/rtnetlink.c:3642) [ 20.567189][ T318] rtnl_newlink_create (net/core/rtnetlink.c:3828) [ 20.567509][ T318] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 20.567842][ T318] ? __dev_get_by_name (net/core/dev.c:865) [ 20.568163][ T318] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 20.568488][ T318] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 20.568825][ T318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 20.569147][ T318] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 20.569476][ T318] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 20.569817][ T318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 20.570144][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 20.570483][ T318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 20.576128][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) [ 20.576463][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 20.576795][ T318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 20.577797][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 20.578797][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.579123][ T318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 20.579446][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 20.579780][ T318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 20.580116][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 20.580433][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 20.581206][ T318] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 20.581760][ T318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 20.582078][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.583301][ T318] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 20.583630][ T318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 20.583959][ T318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 20.584510][ T318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 20.584844][ T318] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 20.585161][ T318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 20.585566][ T318] ___sys_sendmsg (net/socket.c:2670) [ 20.585897][ T318] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 20.586220][ T318] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 20.586548][ T318] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 20.586873][ T318] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 20.587196][ T318] ? __handle_mm_fault (mm/memory.c:6212) [ 20.587517][ T318] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 20.587851][ T318] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 20.588656][ T318] __sys_sendmsg (net/socket.c:2700) [ 20.588979][ T318] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 20.589297][ T318] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 20.589624][ T318] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 20.589955][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 20.590501][ T318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 20.590837][ T318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 20.591234][ T318] RIP: 0033:0x7fd623a381e7 [ 20.591578][ T318] Code: Unable to access opcode bytes at 0x7fd623a381bd. Code starting with the faulting instruction =========================================== [ 20.591996][ T318] RSP: 002b:00007ffd39d8a6c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 20.592490][ T318] RAX: ffffffffffffffda RBX: 00007ffd39d8adf0 RCX: 00007fd623a381e7 [ 20.593212][ T318] RDX: 0000000000000000 RSI: 00007ffd39d8a730 RDI: 0000000000000005 [ 20.594375][ T318] RBP: 0000000000000004 R08: 00000000000000b0 R09: 0000000000000000 [ 20.594857][ T318] R10: 00007fd6239306f8 R11: 0000000000000246 R12: 00007ffd39d8ae10 [ 20.595492][ T318] R13: 00000000686e6e28 R14: 0000000000499600 R15: 00007ffd39d8a81c | [ 23.529182][ T346] ------------[ cut here ]------------ | [ 23.529528][ T346] WARNING: CPU: 0 PID: 346 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 23.530190][ T346] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth | [ 23.531982][ T346] Tainted: [W]=WARN [ 23.532236][ T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.532721][ T346] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 23.533060][ T346] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 fa 61 7b 00 call 0x7b621b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 23.534216][ T346] RSP: 0018:ffffc90000506ef0 EFLAGS: 00010246 [ 23.534641][ T346] RAX: 0000000000000000 RBX: ffff88800aa72000 RCX: 0000000000000001 [ 23.535167][ T346] RDX: 0000000000000000 RSI: ffffffff98c9b939 RDI: ffffffff984555e0 [ 23.535665][ T346] RBP: ffffc90000506fe0 R08: 0000000000000000 R09: 0000000000000000 [ 23.536154][ T346] R10: ffffc90000507010 R11: ffffffff99aa8918 R12: 1ffff920000a0de2 [ 23.536642][ T346] R13: 00000000000005dc R14: ffffc90000507010 R15: ffff88800aa72f08 [ 23.537145][ T346] FS: 00007f47d4ba1800(0000) GS:ffff88809b4b7000(0000) knlGS:0000000000000000 [ 23.537960][ T346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.538372][ T346] CR2: 00000000004e5aa8 CR3: 000000000a776003 CR4: 0000000000772ef0 [ 23.538873][ T346] PKRU: 55555554 [ 23.539117][ T346] Call Trace: [ 23.539370][ T346] [ 23.539539][ T346] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 23.539879][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.540214][ T346] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 23.540541][ T346] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 23.540959][ T346] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 23.541286][ T346] netif_set_mtu (net/core/dev.c:9652) [ 23.541613][ T346] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 23.541962][ T346] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 23.542417][ T346] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 23.542683][ T346] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 23.543134][ T346] br_add_if (net/bridge/br_if.c:697) bridge [ 23.543504][ T346] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) [ 23.543842][ T346] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 23.544174][ T346] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 23.544587][ T346] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.544921][ T346] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 23.545244][ T346] ? __kernel_text_address (kernel/extable.c:79) [ 23.545574][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.545932][ T346] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) [ 23.546257][ T346] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 23.546675][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.547001][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.547324][ T346] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 23.547644][ T346] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 23.547981][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.548305][ T346] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 23.548622][ T346] ? __create_object (mm/kmemleak.c:771) [ 23.548965][ T346] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 23.549293][ T346] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 23.549614][ T346] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 23.550026][ T346] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 23.550362][ T346] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 23.550695][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.551020][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.551344][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.551684][ T346] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 23.552002][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.552309][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.552626][ T346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 23.552949][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.553259][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.553568][ T346] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 23.553891][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.554206][ T346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 23.554526][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 23.555107][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 23.555418][ T346] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 23.555736][ T346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 23.556041][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.556352][ T346] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 23.556678][ T346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 23.556988][ T346] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 23.557307][ T346] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 23.557855][ T346] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 23.558161][ T346] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 23.558557][ T346] ___sys_sendmsg (net/socket.c:2670) [ 23.558874][ T346] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 23.559414][ T346] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) [ 23.559806][ T346] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 23.560116][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.560660][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.560986][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.561530][ T346] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 23.561853][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.562175][ T346] __sys_sendmsg (net/socket.c:2700) [ 23.562522][ T346] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 23.562921][ T346] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 23.563465][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.564449][ T346] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 23.564770][ T346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 23.565147][ T346] RIP: 0033:0x7f47d4d6e1e7 [ 23.565469][ T346] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 23.566808][ T346] RSP: 002b:00007ffd838372f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 23.567498][ T346] RAX: ffffffffffffffda RBX: 00007ffd83837a20 RCX: 00007f47d4d6e1e7 [ 23.567977][ T346] RDX: 0000000000000000 RSI: 00007ffd83837360 RDI: 0000000000000005 [ 23.568436][ T346] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 23.568903][ T346] R10: 000000000be2e910 R11: 0000000000000246 R12: 0000000000000004 [ 23.569363][ T346] R13: 00000000686e6e2b R14: 0000000000499600 R15: 0000000000000000 | [ 23.823319][ T348] ------------[ cut here ]------------ | [ 23.823683][ T348] WARNING: CPU: 1 PID: 348 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) | [ 23.824298][ T348] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth | [ 23.825669][ T348] Tainted: [W]=WARN [ 23.825901][ T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.826281][ T348] 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) [ 23.826594][ T348] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 fa 61 7b 00 call 0x7b621b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 23.827692][ T348] RSP: 0018:ffffc90000546ef0 EFLAGS: 00010246 [ 23.828076][ T348] RAX: 0000000000000000 RBX: ffff88800aa72000 RCX: 0000000000000001 [ 23.828533][ T348] RDX: 0000000000000000 RSI: ffffffff98c9b939 RDI: ffffffff984555e0 [ 23.828999][ T348] RBP: ffffc90000546fe0 R08: 0000000000000000 R09: 0000000000000000 [ 23.829465][ T348] R10: ffffc90000547010 R11: ffffffff99aa8918 R12: 1ffff920000a8de2 [ 23.829930][ T348] R13: 00000000000005dc R14: ffffc90000547010 R15: ffff88800aa72f08 [ 23.830389][ T348] FS: 00007f8016147800(0000) GS:ffff88809b537000(0000) knlGS:0000000000000000 [ 23.830936][ T348] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.831493][ T348] CR2: 00000000004e5ab0 CR3: 000000000a776003 CR4: 0000000000772ef0 [ 23.831978][ T348] PKRU: 55555554 [ 23.832213][ T348] Call Trace: [ 23.832458][ T348] [ 23.832718][ T348] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 23.833047][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.833377][ T348] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 23.833801][ T348] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 23.834219][ T348] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 23.834553][ T348] netif_set_mtu (net/core/dev.c:9652) [ 23.834885][ T348] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 23.835202][ T348] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 23.835680][ T348] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 23.835930][ T348] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 23.836373][ T348] br_add_if (net/bridge/br_if.c:697) bridge [ 23.836816][ T348] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) [ 23.837143][ T348] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 23.837481][ T348] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 23.837891][ T348] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.838211][ T348] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 23.838532][ T348] ? __kernel_text_address (kernel/extable.c:79) [ 23.838939][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.839266][ T348] ? __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) [ 23.839608][ T348] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 23.840101][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.840541][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.840944][ T348] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 23.841403][ T348] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 23.841983][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.842563][ T348] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 23.842996][ T348] ? __create_object (mm/kmemleak.c:771) [ 23.843449][ T348] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 23.843968][ T348] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 23.844492][ T348] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 23.845160][ T348] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 23.845721][ T348] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 23.846259][ T348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.846796][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.847350][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.847916][ T348] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 23.848456][ T348] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.849027][ T348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.849570][ T348] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 23.850132][ T348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.850710][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.851295][ T348] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 23.851881][ T348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.852371][ T348] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 23.852804][ T348] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 23.853171][ T348] ? 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) [ 23.853498][ T348] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 23.853894][ T348] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 23.854200][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.854524][ T348] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 23.854847][ T348] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 23.855211][ T348] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 23.855605][ T348] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 23.855950][ T348] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 23.856322][ T348] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 23.856730][ T348] ___sys_sendmsg (net/socket.c:2670) [ 23.857123][ T348] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 23.857445][ T348] ? __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) [ 23.857839][ T348] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 23.858149][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.858609][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.858947][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.859264][ T348] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 23.859582][ T348] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.859910][ T348] __sys_sendmsg (net/socket.c:2700) [ 23.860215][ T348] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 23.860609][ T348] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 23.860935][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.861251][ T348] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 23.861642][ T348] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 23.862040][ T348] RIP: 0033:0x7f80163141e7 [ 23.862371][ T348] 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) [ 23.864050][ T348] RSP: 002b:00007ffe5f3981c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 23.864642][ T348] RAX: ffffffffffffffda RBX: 00007ffe5f3988f0 RCX: 00007f80163141e7 [ 23.865221][ T348] RDX: 0000000000000000 RSI: 00007ffe5f398230 RDI: 0000000000000005 [ 23.865796][ T348] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 23.866385][ T348] R10: 0000000004d54910 R11: 0000000000000246 R12: 0000000000000004 [ 23.867131][ T348] R13: 00000000686e6e2b R14: 0000000000499600 R15: 0000000000000000 | [ 24.288642][ T351] ------------[ cut here ]------------ | [ 24.289346][ T351] WARNING: CPU: 3 PID: 351 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 24.289976][ T351] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth | [ 24.291379][ T351] Tainted: [W]=WARN [ 24.291611][ T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.292012][ T351] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 24.292337][ T351] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 fa 61 7b 00 call 0x7b621b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 24.293451][ T351] RSP: 0018:ffffc90000617000 EFLAGS: 00010246 [ 24.293994][ T351] RAX: 0000000000000000 RBX: ffff8880099c4000 RCX: 0000000000000001 [ 24.294458][ T351] RDX: 0000000000000000 RSI: ffffffff98c9b939 RDI: ffffffff984555e0 [ 24.294952][ T351] RBP: ffffc900006170e8 R08: ffff8880099c4218 R09: 0000000000000000 [ 24.295412][ T351] R10: ffffc90000617118 R11: ffffffff99179160 R12: 1ffff920000c2e04 [ 24.295884][ T351] R13: 00000000000005b6 R14: ffffc90000617118 R15: ffff8880099c4218 [ 24.296343][ T351] FS: 00007f0beb646800(0000) GS:ffff88809b637000(0000) knlGS:0000000000000000 [ 24.296886][ T351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.297270][ T351] CR2: 0000000000436890 CR3: 000000000d94a005 CR4: 0000000000772ef0 [ 24.297756][ T351] PKRU: 55555554 [ 24.297986][ T351] Call Trace: [ 24.298217][ T351] [ 24.298372][ T351] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) [ 24.298758][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 24.299068][ T351] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 24.299381][ T351] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) [ 24.299722][ T351] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 24.300052][ T351] netif_set_mtu (net/core/dev.c:9652) [ 24.300361][ T351] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 24.300685][ T351] ? dev_addr_mod (net/core/dev_addr_lists.c:584) [ 24.300993][ T351] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 24.301223][ T351] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) [ 24.301531][ T351] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) [ 24.301851][ T351] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre [ 24.302168][ T351] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre [ 24.302567][ T351] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 24.302895][ T351] ? rtnl_create_link (net/core/rtnetlink.c:3642) [ 24.303204][ T351] rtnl_newlink_create (net/core/rtnetlink.c:3828) [ 24.303514][ T351] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 24.303826][ T351] ? __dev_get_by_name (net/core/dev.c:865) [ 24.304131][ T351] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 24.304453][ T351] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 24.304777][ T351] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 24.305078][ T351] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 24.305393][ T351] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 24.305718][ T351] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 24.306031][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 24.306350][ T351] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 24.306666][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) [ 24.306978][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 24.307281][ T351] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 24.307589][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 24.307910][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 24.308224][ T351] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 24.308533][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 24.308849][ T351] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 24.309173][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 24.309479][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 24.309797][ T351] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 24.310108][ T351] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 24.310412][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 24.310731][ T351] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 24.311040][ T351] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 24.311350][ T351] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 24.311674][ T351] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 24.311985][ T351] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 24.312287][ T351] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 24.312703][ T351] ___sys_sendmsg (net/socket.c:2670) [ 24.313015][ T351] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 24.313321][ T351] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 24.313637][ T351] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 24.313956][ T351] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 24.314272][ T351] ? __handle_mm_fault (mm/memory.c:6212) [ 24.314578][ T351] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 24.314892][ T351] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 24.315217][ T351] __sys_sendmsg (net/socket.c:2700) [ 24.315525][ T351] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 24.315847][ T351] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 24.316167][ T351] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 24.316473][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 24.316789][ T351] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 24.317096][ T351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 24.317477][ T351] RIP: 0033:0x7f0beb8131e7 [ 24.317800][ T351] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 24.318934][ T351] RSP: 002b:00007ffe5114e618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 24.319397][ T351] RAX: ffffffffffffffda RBX: 00007ffe5114ed40 RCX: 00007f0beb8131e7 [ 24.319865][ T351] RDX: 0000000000000000 RSI: 00007ffe5114e680 RDI: 0000000000000005 [ 24.320331][ T351] RBP: 0000000000000008 R08: 00000000000000ac R09: 0000000000000000 [ 24.320795][ T351] R10: 00007f0beb70b6f8 R11: 0000000000000246 R12: 00007ffe5114ed60 [ 24.321252][ T351] R13: 00000000686e6e2b R14: 0000000000499600 R15: 00007ffe5114e768 | [ 26.353429][ T372] ------------[ cut here ]------------ | [ 26.353803][ T372] WARNING: CPU: 0 PID: 372 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 26.354471][ T372] Modules linked in: 8021q bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth | [ 26.356083][ T372] Tainted: [W]=WARN [ 26.356346][ T372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.356782][ T372] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 26.357138][ T372] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 fa 61 7b 00 call 0x7b621b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 26.358317][ T372] RSP: 0018:ffffc900004e6ef0 EFLAGS: 00010246 [ 26.358768][ T372] RAX: 0000000000000000 RBX: ffff88800aa72000 RCX: 0000000000000001 [ 26.359265][ T372] RDX: 0000000000000000 RSI: ffffffff98c9b939 RDI: ffffffff984555e0 [ 26.359768][ T372] RBP: ffffc900004e6fe0 R08: 0000000000000000 R09: 0000000000000000 [ 26.360251][ T372] R10: ffffc900004e7010 R11: ffffffff99aa8918 R12: 1ffff9200009cde2 [ 26.360748][ T372] R13: 00000000000005dc R14: ffffc900004e7010 R15: ffff88800aa72f08 [ 26.361231][ T372] FS: 00007f2c1ce01800(0000) GS:ffff88809b4b7000(0000) knlGS:0000000000000000 [ 26.361803][ T372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.362192][ T372] CR2: 00000000004e5ac0 CR3: 0000000005a18001 CR4: 0000000000772ef0 [ 26.362711][ T372] PKRU: 55555554 [ 26.362942][ T372] Call Trace: [ 26.363184][ T372] [ 26.363360][ T372] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 26.363765][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 26.364158][ T372] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 26.364470][ T372] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 26.364867][ T372] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 26.365176][ T372] netif_set_mtu (net/core/dev.c:9652) [ 26.365491][ T372] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 26.365817][ T372] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 26.366253][ T372] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 26.366489][ T372] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 26.366922][ T372] br_add_if (net/bridge/br_if.c:697) bridge [ 26.367279][ T372] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) [ 26.367611][ T372] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 26.367938][ T372] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 26.368329][ T372] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.368642][ T372] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 26.368980][ T372] ? __kernel_text_address (kernel/extable.c:79) [ 26.369297][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 26.369605][ T372] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) [ 26.369925][ T372] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 26.370312][ T372] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 26.370622][ T372] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 26.370943][ T372] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 26.371248][ T372] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 26.371562][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 26.371879][ T372] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 26.372184][ T372] ? __create_object (mm/kmemleak.c:771) [ 26.372507][ T372] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 26.372830][ T372] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 26.373139][ T372] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 26.373527][ T372] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 26.373850][ T372] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 26.374164][ T372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 26.374474][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 26.374802][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 26.375110][ T372] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 26.375419][ T372] ? __lock_release (kernel/locking/lockdep.c:5539) [ 26.375742][ T372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 26.376050][ T372] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 26.376369][ T372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 26.376692][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 26.377002][ T372] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 26.377314][ T372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 26.377625][ T372] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 26.377954][ T372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 26.378263][ T372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 26.378572][ T372] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 26.378889][ T372] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 26.379196][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 26.379509][ T372] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 26.379830][ T372] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 26.380137][ T372] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 26.380464][ T372] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 26.380788][ T372] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 26.381093][ T372] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 26.381484][ T372] ___sys_sendmsg (net/socket.c:2670) [ 26.381816][ T372] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 26.382144][ T372] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) [ 26.382539][ T372] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 26.382870][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 26.383178][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 26.383492][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 26.383813][ T372] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 26.384118][ T372] ? __lock_release (kernel/locking/lockdep.c:5539) [ 26.384438][ T372] __sys_sendmsg (net/socket.c:2700) [ 26.384757][ T372] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 26.385148][ T372] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 26.385469][ T372] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 26.385790][ T372] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 26.386104][ T372] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 26.386482][ T372] RIP: 0033:0x7f2c1cfce1e7 [ 26.386814][ T372] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 26.387933][ T372] RSP: 002b:00007fff97ef7e58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.388406][ T372] RAX: ffffffffffffffda RBX: 00007fff97ef8580 RCX: 00007f2c1cfce1e7 [ 26.388886][ T372] RDX: 0000000000000000 RSI: 00007fff97ef7ec0 RDI: 0000000000000005 [ 26.389348][ T372] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 26.389854][ T372] R10: 0000000023409910 R11: 0000000000000246 R12: 0000000000000004 [ 26.390315][ T372] R13: 00000000686e6e2e R14: 0000000000499600 R15: 0000000000000000 | [ 320.700464][ T1574] ------------[ cut here ]------------ | [ 320.700826][ T1574] WARNING: CPU: 2 PID: 1574 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) | [ 320.701494][ T1574] Modules linked in: cls_flower act_mirred 8021q bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth | [ 320.703287][ T1574] Tainted: [W]=WARN [ 320.703544][ T1574] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 320.703965][ T1574] 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) [ 320.704316][ T1574] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 fa 61 7b 00 call 0x7b621b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 320.705431][ T1574] RSP: 0018:ffffc9000297ef70 EFLAGS: 00010246 [ 320.705843][ T1574] RAX: 0000000000000000 RBX: ffff88800aa72000 RCX: 0000000000000001 [ 320.706313][ T1574] RDX: 0000000000000000 RSI: ffffffff98c9b939 RDI: ffffffff984555e0 [ 320.706793][ T1574] RBP: ffffc9000297f058 R08: 0000000000000000 R09: 0000000000000000 [ 320.707263][ T1574] R10: ffffc9000297f088 R11: ffffffff95000130 R12: 1ffff9200052fdf2 [ 320.708593][ T1574] R13: 00000000000005dc R14: ffffc9000297f088 R15: ffff88800aa72f08 [ 320.709109][ T1574] FS: 00007fd4454b9800(0000) GS:ffff88809b5b7000(0000) knlGS:0000000000000000 [ 320.709690][ T1574] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 320.710102][ T1574] CR2: 00000000004e5ab0 CR3: 000000000b4b4001 CR4: 0000000000772ef0 [ 320.710572][ T1574] PKRU: 55555554 [ 320.710842][ T1574] Call Trace: [ 320.711082][ T1574] [ 320.711257][ T1574] ? __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) [ 320.711680][ T1574] ? br_del_if (net/bridge/br_if.c:742) bridge [ 320.712058][ T1574] ? do_set_master (net/core/rtnetlink.c:2932) [ 320.712388][ T1574] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 320.712734][ T1574] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 320.713082][ T1574] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 320.713418][ T1574] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 320.713760][ T1574] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 320.714110][ T1574] ? ___sys_sendmsg (net/socket.c:2670) [ 320.714437][ T1574] ? __sys_sendmsg (net/socket.c:2700) [ 320.714766][ T1574] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 320.715086][ T1574] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 320.715508][ T1574] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 320.715875][ T1574] netif_set_mtu (net/core/dev.c:9652) [ 320.716209][ T1574] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 320.716569][ T1574] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 320.716840][ T1574] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 320.717331][ T1574] br_del_if (net/bridge/br_if.c:743) bridge [ 320.717742][ T1574] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 320.718094][ T1574] do_set_master (net/core/rtnetlink.c:2932) [ 320.718437][ T1574] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 320.718788][ T1574] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 320.719217][ T1574] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 320.719548][ T1574] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 320.719913][ T1574] ? __kernel_text_address (kernel/extable.c:79) [ 320.720261][ T1574] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 320.720584][ T1574] ? __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) [ 320.720920][ T1574] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 320.721316][ T1574] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 320.721639][ T1574] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 320.721971][ T1574] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 320.722293][ T1574] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 320.722613][ T1574] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 320.722959][ T1574] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 320.723275][ T1574] ? __create_object (mm/kmemleak.c:771) [ 320.723598][ T1574] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 320.723926][ T1574] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 320.724247][ T1574] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 320.724640][ T1574] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 320.724984][ T1574] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 320.725310][ T1574] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 320.725628][ T1574] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 320.725963][ T1574] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 320.726281][ T1574] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 320.726596][ T1574] ? __lock_release (kernel/locking/lockdep.c:5539) [ 320.726923][ T1574] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 320.727240][ T1574] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 320.727565][ T1574] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 320.727917][ T1574] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 320.728254][ T1574] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 320.728574][ T1574] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 320.728904][ T1574] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 320.729235][ T1574] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 320.729564][ T1574] ? 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) [ 320.729915][ T1574] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 320.730236][ T1574] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 320.730552][ T1574] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 320.730902][ T1574] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 320.731223][ T1574] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 320.731555][ T1574] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 320.731907][ T1574] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 320.732251][ T1574] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 320.732565][ T1574] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 320.732996][ T1574] ___sys_sendmsg (net/socket.c:2670) [ 320.733330][ T1574] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 320.733674][ T1574] ? __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) [ 320.734104][ T1574] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 320.734439][ T1574] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 320.734795][ T1574] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 320.735118][ T1574] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 320.735451][ T1574] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 320.735784][ T1574] ? __lock_release (kernel/locking/lockdep.c:5539) [ 320.736111][ T1574] __sys_sendmsg (net/socket.c:2700) [ 320.736441][ T1574] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 320.736870][ T1574] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 320.737208][ T1574] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 320.737546][ T1574] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 320.737903][ T1574] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 320.738323][ T1574] RIP: 0033:0x7fd4456861e7 [ 320.738686][ T1574] 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) [ 320.739842][ T1574] RSP: 002b:00007fffebc35c28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 320.740317][ T1574] RAX: ffffffffffffffda RBX: 00007fffebc36350 RCX: 00007fd4456861e7 [ 320.740817][ T1574] RDX: 0000000000000000 RSI: 00007fffebc35c90 RDI: 0000000000000005 [ 320.741305][ T1574] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 320.741809][ T1574] R10: 00007fd445583ee8 R11: 0000000000000246 R12: 0000000000000003 [ 320.742296][ T1574] R13: 00000000686e6f54 R14: 0000000000499600 R15: 0000000000000000 | [ 320.875790][ T1575] ------------[ cut here ]------------ | [ 320.876178][ T1575] WARNING: CPU: 2 PID: 1575 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) | [ 320.876858][ T1575] Modules linked in: cls_flower act_mirred 8021q bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth | [ 320.878511][ T1575] Tainted: [W]=WARN [ 320.878784][ T1575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 320.879202][ T1575] 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) [ 320.879548][ T1575] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 fa 61 7b 00 call 0x7b621b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 320.880722][ T1575] RSP: 0018:ffffc9000297ef70 EFLAGS: 00010246 [ 320.881144][ T1575] RAX: 0000000000000000 RBX: ffff88800aa72000 RCX: 0000000000000001 [ 320.881761][ T1575] RDX: 0000000000000000 RSI: ffffffff98c9b939 RDI: ffffffff984555e0 [ 320.882366][ T1575] RBP: ffffc9000297f058 R08: 0000000000000000 R09: 0000000000000000 [ 320.882917][ T1575] R10: ffffc9000297f088 R11: ffffffff99179160 R12: 1ffff9200052fdf2 [ 320.883423][ T1575] R13: 00000000000005dc R14: ffffc9000297f088 R15: ffff88800aa72f08 [ 320.883955][ T1575] FS: 00007f8a7fb78800(0000) GS:ffff88809b5b7000(0000) knlGS:0000000000000000 [ 320.884531][ T1575] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 320.885072][ T1575] CR2: 00007fd4454d7000 CR3: 000000000dbdf002 CR4: 0000000000772ef0 [ 320.885823][ T1575] PKRU: 55555554 [ 320.886102][ T1575] Call Trace: [ 320.886356][ T1575] [ 320.886531][ T1575] ? __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) [ 320.886990][ T1575] ? br_del_if (net/bridge/br_if.c:742) bridge [ 320.887443][ T1575] ? do_set_master (net/core/rtnetlink.c:2932) [ 320.887795][ T1575] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 320.888152][ T1575] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 320.888515][ T1575] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 320.889013][ T1575] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 320.889409][ T1575] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 320.889760][ T1575] ? ___sys_sendmsg (net/socket.c:2670) [ 320.890302][ T1575] ? __sys_sendmsg (net/socket.c:2700) [ 320.890736][ T1575] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 320.891071][ T1575] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 320.891464][ T1575] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 320.891811][ T1575] netif_set_mtu (net/core/dev.c:9652) [ 320.892163][ T1575] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 320.892498][ T1575] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 320.892754][ T1575] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 320.893233][ T1575] br_del_if (net/bridge/br_if.c:743) bridge [ 320.893591][ T1575] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 320.893940][ T1575] do_set_master (net/core/rtnetlink.c:2932) [ 320.894265][ T1575] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 320.894674][ T1575] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 320.895128][ T1575] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 320.895448][ T1575] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 320.895779][ T1575] ? __kernel_text_address (kernel/extable.c:79) [ 320.896180][ T1575] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 320.896522][ T1575] ? __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) [ 320.896880][ T1575] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 320.897302][ T1575] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 320.897643][ T1575] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 320.897995][ T1575] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 320.898313][ T1575] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 320.898706][ T1575] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 320.899058][ T1575] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 320.899373][ T1575] ? __create_object (mm/kmemleak.c:771) [ 320.899708][ T1575] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 320.900171][ T1575] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 320.900492][ T1575] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 320.900912][ T1575] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 320.901242][ T1575] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 320.901563][ T1575] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 320.901908][ T1575] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 320.902238][ T1575] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 320.902571][ T1575] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 320.902946][ T1575] ? __lock_release (kernel/locking/lockdep.c:5539) [ 320.903287][ T1575] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 320.903624][ T1575] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 320.903993][ T1575] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 320.904335][ T1575] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 320.904686][ T1575] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 320.905029][ T1575] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 320.905374][ T1575] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 320.905730][ T1575] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 320.906078][ T1575] ? 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) [ 320.906415][ T1575] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 320.906764][ T1575] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 320.907105][ T1575] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 320.907442][ T1575] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 320.907809][ T1575] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 320.908212][ T1575] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 320.908543][ T1575] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 320.908928][ T1575] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 320.909255][ T1575] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 320.909667][ T1575] ___sys_sendmsg (net/socket.c:2670) [ 320.910010][ T1575] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 320.910350][ T1575] ? __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) [ 320.910754][ T1575] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 320.911093][ T1575] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 320.911413][ T1575] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 320.911749][ T1575] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 320.912085][ T1575] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 320.912399][ T1575] ? __lock_release (kernel/locking/lockdep.c:5539) [ 320.912744][ T1575] __sys_sendmsg (net/socket.c:2700) [ 320.913092][ T1575] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 320.913485][ T1575] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 320.913839][ T1575] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 320.914163][ T1575] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 320.914486][ T1575] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 320.914978][ T1575] RIP: 0033:0x7f8a7fd451e7 [ 320.915390][ T1575] 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) [ 320.916764][ T1575] RSP: 002b:00007ffedddd5848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 320.917522][ T1575] RAX: ffffffffffffffda RBX: 00007ffedddd5f70 RCX: 00007f8a7fd451e7 [ 320.918362][ T1575] RDX: 0000000000000000 RSI: 00007ffedddd58b0 RDI: 0000000000000005 [ 320.918921][ T1575] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 320.919391][ T1575] R10: 00007f8a7fc42ee8 R11: 0000000000000246 R12: 0000000000000003 Finger prints: netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_newlink:ipgre_newlink netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if