====================================== | 0 | xx__-> [ 18.307474][ T310] ------------[ cut here ]------------ | [ 18.308049][ T310] WARNING: CPU: 2 PID: 310 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) | [ 18.308680][ T310] Modules linked in: vrf veth [ 18.309642][ T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.310031][ T310] 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) [ 18.310346][ T310] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 18.311693][ T310] RSP: 0018:ffffc90000697140 EFLAGS: 00010246 [ 18.312085][ T310] RAX: 0000000000000000 RBX: ffff888009b79000 RCX: 0000000000000001 [ 18.312535][ T310] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 18.313274][ T310] RBP: ffffc90000697230 R08: ffff88800a6d5000 R09: 0000000000000000 [ 18.313728][ T310] R10: ffffc900006975c8 R11: ffffffff9b850668 R12: 1ffff920000d2e2c [ 18.314221][ T310] R13: 0000000000002710 R14: ffffc90000697880 R15: ffff888008bc4e60 [ 18.314666][ T310] FS: 00007f94b8f35800(0000) GS:ffff8880997b7000(0000) knlGS:0000000000000000 [ 18.315216][ T310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.315623][ T310] CR2: 00000000004e5aa0 CR3: 0000000009424006 CR4: 0000000000772ef0 [ 18.316093][ T310] PKRU: 55555554 [ 18.316338][ T310] Call Trace: [ 18.316588][ T310] [ 18.316748][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 18.317085][ T310] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 18.317387][ T310] ? __lock_release (kernel/locking/lockdep.c:5539) [ 18.317689][ T310] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 18.318026][ T310] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 18.318339][ T310] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 18.318646][ T310] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 18.319000][ T310] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 18.319404][ T310] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.319709][ T310] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 18.320030][ T310] ? __kernel_text_address (kernel/extable.c:79) [ 18.320350][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 18.320660][ T310] ? __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) [ 18.320973][ T310] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 18.321343][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 18.321666][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 18.321987][ T310] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 18.322293][ T310] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 18.322606][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 18.322914][ T310] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 18.323243][ T310] ? __create_object (mm/kmemleak.c:771) [ 18.323562][ T310] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 18.323870][ T310] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 18.324185][ T310] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 18.324557][ T310] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 18.324888][ T310] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 18.325213][ T310] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 18.325529][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 18.325855][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 18.326193][ T310] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 18.326501][ T310] ? __lock_release (kernel/locking/lockdep.c:5539) [ 18.326821][ T310] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 18.327155][ T310] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 18.327463][ T310] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 18.327773][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 18.328121][ T310] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 18.328436][ T310] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 18.328743][ T310] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 18.329102][ T310] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 18.329410][ T310] ? 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) [ 18.329725][ T310] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 18.330055][ T310] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 18.330359][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 18.330664][ T310] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 18.330998][ T310] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 18.331316][ T310] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 18.331627][ T310] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 18.331935][ T310] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 18.332273][ T310] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 18.332682][ T310] ___sys_sendmsg (net/socket.c:2670) [ 18.333005][ T310] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 18.333337][ T310] ? __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) [ 18.333716][ T310] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 18.334052][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 18.334360][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 18.334693][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 18.335040][ T310] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 18.335346][ T310] ? __lock_release (kernel/locking/lockdep.c:5539) [ 18.335703][ T310] __sys_sendmsg (net/socket.c:2700) [ 18.336059][ T310] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 18.336433][ T310] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 18.336772][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 18.337094][ T310] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 18.337398][ T310] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 18.337765][ T310] RIP: 0033:0x7f94b91021e7 [ 18.338094][ T310] 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) [ 18.339160][ T310] RSP: 002b:00007ffded8b2688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 18.339638][ T310] RAX: ffffffffffffffda RBX: 00007ffded8b2db0 RCX: 00007f94b91021e7 [ 18.340108][ T310] RDX: 0000000000000000 RSI: 00007ffded8b26f0 RDI: 0000000000000005 [ 18.340555][ T310] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 18.341013][ T310] R10: 00007f94b8fffee8 R11: 0000000000000246 R12: 0000000000000004 [ 18.341456][ T310] R13: 00000000686e4477 R14: 0000000000499600 R15: 0000000000000000 | [ 20.047689][ T336] ------------[ cut here ]------------ | [ 20.048062][ T336] WARNING: CPU: 3 PID: 336 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) | [ 20.048631][ T336] Modules linked in: sch_tbf vrf veth | [ 20.049685][ T336] Tainted: [W]=WARN [ 20.050577][ T336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.051210][ T336] 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) [ 20.051683][ T336] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 20.053477][ T336] RSP: 0018:ffffc90000507140 EFLAGS: 00010246 [ 20.054076][ T336] RAX: 0000000000000000 RBX: ffff88800996c000 RCX: 0000000000000001 [ 20.054746][ T336] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 20.055505][ T336] RBP: ffffc90000507230 R08: ffff88800a828800 R09: 0000000000000000 [ 20.056286][ T336] R10: ffffc900005075c8 R11: ffffffff9b850668 R12: 1ffff920000a0e2c [ 20.057035][ T336] R13: 0000000000002710 R14: ffffc90000507880 R15: ffff8880053b83e0 [ 20.057781][ T336] FS: 00007f286cd80800(0000) GS:ffff888099837000(0000) knlGS:0000000000000000 [ 20.058683][ T336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.059357][ T336] CR2: 00000000004e5ab0 CR3: 000000000529e005 CR4: 0000000000772ef0 [ 20.060125][ T336] PKRU: 55555554 [ 20.060501][ T336] Call Trace: [ 20.060877][ T336] [ 20.061170][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.061683][ T336] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 20.062206][ T336] ? __lock_release (kernel/locking/lockdep.c:5539) [ 20.062716][ T336] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 20.063246][ T336] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 20.063755][ T336] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 20.064255][ T336] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 20.064738][ T336] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 20.065412][ T336] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.065835][ T336] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 20.066169][ T336] ? __kernel_text_address (kernel/extable.c:79) [ 20.066465][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.066762][ T336] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) [ 20.067062][ T336] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 20.067428][ T336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 20.067727][ T336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 20.068026][ T336] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 20.068325][ T336] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 20.068617][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.068918][ T336] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 20.069243][ T336] ? __create_object (mm/kmemleak.c:771) [ 20.069540][ T336] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 20.069835][ T336] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 20.070148][ T336] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 20.070514][ T336] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 20.070814][ T336] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 20.071127][ T336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 20.071418][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.071713][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.072018][ T336] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 20.072310][ T336] ? __lock_release (kernel/locking/lockdep.c:5539) [ 20.072604][ T336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 20.072894][ T336] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 20.073210][ T336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 20.073507][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.073805][ T336] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 20.074107][ T336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 20.074400][ T336] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 20.074707][ T336] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 20.075009][ T336] ? 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) [ 20.075304][ T336] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 20.075611][ T336] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 20.075903][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.076213][ T336] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 20.076512][ T336] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 20.076805][ T336] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 20.077133][ T336] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 20.077430][ T336] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 20.077724][ T336] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 20.078156][ T336] ___sys_sendmsg (net/socket.c:2670) [ 20.078448][ T336] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 20.078738][ T336] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) [ 20.079111][ T336] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 20.079405][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.079701][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.080009][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.080314][ T336] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 20.080606][ T336] ? __lock_release (kernel/locking/lockdep.c:5539) [ 20.080904][ T336] __sys_sendmsg (net/socket.c:2700) [ 20.081229][ T336] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 20.081591][ T336] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 20.081893][ T336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 20.082204][ T336] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 20.082499][ T336] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 20.082863][ T336] RIP: 0033:0x7f286cf4d1e7 [ 20.083178][ T336] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 20.084239][ T336] RSP: 002b:00007ffcf4ff2198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 20.084675][ T336] RAX: ffffffffffffffda RBX: 00007ffcf4ff28c0 RCX: 00007f286cf4d1e7 [ 20.085147][ T336] RDX: 0000000000000000 RSI: 00007ffcf4ff2200 RDI: 0000000000000005 [ 20.085593][ T336] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 20.086044][ T336] R10: 00007f286ce4aee8 R11: 0000000000000246 R12: 0000000000000004 [ 20.086482][ T336] R13: 00000000686e4478 R14: 0000000000499600 R15: 0000000000000000 | [ 21.294146][ T356] ------------[ cut here ]------------ | [ 21.294468][ T356] WARNING: CPU: 3 PID: 356 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 21.295032][ T356] Modules linked in: sch_tbf vrf veth | [ 21.295902][ T356] Tainted: [W]=WARN [ 21.296123][ T356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.296469][ T356] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 21.296754][ T356] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 21.297878][ T356] RSP: 0018:ffffc90000507140 EFLAGS: 00010246 [ 21.298250][ T356] RAX: 0000000000000000 RBX: ffff88800bdd9000 RCX: 0000000000000001 [ 21.298665][ T356] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 21.299088][ T356] RBP: ffffc90000507230 R08: ffff888009720800 R09: 0000000000000000 [ 21.299503][ T356] R10: ffffc900005075c8 R11: ffffffff9b850668 R12: 1ffff920000a0e2c [ 21.299917][ T356] R13: 0000000000002710 R14: ffffc90000507880 R15: ffff888008bc4760 [ 21.300350][ T356] FS: 00007f2aa04d1800(0000) GS:ffff888099837000(0000) knlGS:0000000000000000 [ 21.300833][ T356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.301193][ T356] CR2: 00000000004e5ac8 CR3: 0000000009777003 CR4: 0000000000772ef0 [ 21.301650][ T356] PKRU: 55555554 [ 21.301857][ T356] Call Trace: [ 21.302090][ T356] [ 21.302232][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.302512][ T356] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 21.302786][ T356] ? __lock_release (kernel/locking/lockdep.c:5539) [ 21.303080][ T356] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 21.303357][ T356] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 21.303642][ T356] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 21.303927][ T356] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 21.304218][ T356] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 21.304568][ T356] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.304845][ T356] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 21.305130][ T356] ? __kernel_text_address (kernel/extable.c:79) [ 21.305440][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.305737][ T356] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) [ 21.306194][ T356] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 21.306542][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 21.306822][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 21.307182][ T356] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 21.307458][ T356] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 21.307738][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.308024][ T356] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 21.308298][ T356] ? __create_object (mm/kmemleak.c:771) [ 21.308598][ T356] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 21.308874][ T356] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 21.309160][ T356] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 21.309504][ T356] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 21.309789][ T356] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 21.310098][ T356] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 21.310376][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.310666][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.310966][ T356] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 21.311251][ T356] ? __lock_release (kernel/locking/lockdep.c:5539) [ 21.311535][ T356] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 21.311817][ T356] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 21.312117][ T356] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 21.312411][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.312708][ T356] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 21.313012][ T356] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 21.313301][ T356] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 21.313599][ T356] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 21.313888][ T356] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 21.314196][ T356] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 21.314488][ T356] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 21.314768][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.315073][ T356] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 21.315363][ T356] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 21.315650][ T356] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 21.315938][ T356] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 21.316234][ T356] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 21.316519][ T356] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 21.316878][ T356] ___sys_sendmsg (net/socket.c:2670) [ 21.317167][ T356] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 21.317450][ T356] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) [ 21.317798][ T356] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 21.318091][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.318384][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.318673][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.318974][ T356] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 21.319268][ T356] ? __lock_release (kernel/locking/lockdep.c:5539) [ 21.319566][ T356] __sys_sendmsg (net/socket.c:2700) [ 21.319857][ T356] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 21.320229][ T356] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 21.320535][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 21.320828][ T356] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 21.321114][ T356] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 21.321459][ T356] RIP: 0033:0x7f2aa069e1e7 [ 21.321751][ T356] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 21.322753][ T356] RSP: 002b:00007fff45b29768 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 21.323184][ T356] RAX: ffffffffffffffda RBX: 00007fff45b29e90 RCX: 00007f2aa069e1e7 [ 21.323601][ T356] RDX: 0000000000000000 RSI: 00007fff45b297d0 RDI: 0000000000000005 [ 21.324030][ T356] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 21.324458][ T356] R10: 00007f2aa059bee8 R11: 0000000000000246 R12: 0000000000000004 [ 21.324893][ T356] R13: 00000000686e447a R14: 0000000000499600 R15: 0000000000000000 | [ 22.043543][ T368] ------------[ cut here ]------------ | [ 22.043883][ T368] WARNING: CPU: 0 PID: 368 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 22.044564][ T368] Modules linked in: bridge stp llc sch_tbf vrf veth | [ 22.046649][ T368] Tainted: [W]=WARN [ 22.046900][ T368] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.047316][ T368] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 22.047660][ T368] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 22.048826][ T368] RSP: 0018:ffffc90000586ef0 EFLAGS: 00010246 [ 22.049304][ T368] RAX: 0000000000000000 RBX: ffff88800be32000 RCX: 0000000000000001 [ 22.049775][ T368] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 22.050265][ T368] RBP: ffffc90000586fe0 R08: 0000000000000000 R09: 0000000000000000 [ 22.050736][ T368] R10: ffffc90000587010 R11: ffffffff9b8a8918 R12: 1ffff920000b0de2 [ 22.051211][ T368] R13: 00000000000005dc R14: ffffc90000587010 R15: ffff88800be32f08 [ 22.051687][ T368] FS: 00007fddac45a800(0000) GS:ffff8880996b7000(0000) knlGS:0000000000000000 [ 22.052255][ T368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.052648][ T368] CR2: 00000000004e5aa8 CR3: 000000000ba2c006 CR4: 0000000000772ef0 [ 22.053128][ T368] PKRU: 55555554 [ 22.053362][ T368] Call Trace: [ 22.053601][ T368] [ 22.053762][ T368] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 22.054108][ T368] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.054432][ T368] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 22.054754][ T368] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 22.055156][ T368] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 22.055474][ T368] netif_set_mtu (net/core/dev.c:9652) [ 22.055804][ T368] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 22.056140][ T368] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 22.056580][ T368] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 22.056818][ T368] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 22.057265][ T368] br_add_if (net/bridge/br_if.c:697) bridge [ 22.057624][ T368] do_set_master (net/core/rtnetlink.c:2948) [ 22.057943][ T368] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 22.058270][ T368] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 22.058666][ T368] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.058991][ T368] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 22.059300][ T368] ? __kernel_text_address (kernel/extable.c:79) [ 22.059625][ T368] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.059936][ T368] ? __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) [ 22.060260][ T368] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 22.060646][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.060971][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.061286][ T368] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 22.061593][ T368] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 22.061909][ T368] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.062235][ T368] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 22.062540][ T368] ? __create_object (mm/kmemleak.c:771) [ 22.062853][ T368] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 22.063176][ T368] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 22.063490][ T368] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 22.063871][ T368] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 22.064202][ T368] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 22.064522][ T368] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 22.064828][ T368] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.065155][ T368] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.065471][ T368] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 22.065788][ T368] ? __lock_release (kernel/locking/lockdep.c:5539) [ 22.066113][ T368] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 22.066422][ T368] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 22.066735][ T368] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 22.067060][ T368] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.067374][ T368] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 22.067689][ T368] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 22.068011][ T368] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 22.068330][ T368] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 22.068637][ T368] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 22.068964][ T368] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 22.069290][ T368] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 22.069595][ T368] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.069908][ T368] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 22.070231][ T368] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 22.070539][ T368] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 22.070856][ T368] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 22.071184][ T368] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 22.071508][ T368] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 22.071902][ T368] ___sys_sendmsg (net/socket.c:2670) [ 22.072220][ T368] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 22.072527][ T368] ? __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) [ 22.072915][ T368] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 22.073242][ T368] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.073562][ T368] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.073878][ T368] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.074202][ T368] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 22.074514][ T368] ? __lock_release (kernel/locking/lockdep.c:5539) [ 22.074832][ T368] __sys_sendmsg (net/socket.c:2700) [ 22.075157][ T368] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 22.075552][ T368] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 22.075887][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.076219][ T368] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.076530][ T368] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 22.076916][ T368] RIP: 0033:0x7fddac6271e7 [ 22.077248][ T368] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 22.078377][ T368] RSP: 002b:00007ffda9b3d4e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 22.078848][ T368] RAX: ffffffffffffffda RBX: 00007ffda9b3dc10 RCX: 00007fddac6271e7 [ 22.079330][ T368] RDX: 0000000000000000 RSI: 00007ffda9b3d550 RDI: 0000000000000005 [ 22.079798][ T368] RBP: 0000000000000005 R08: 0000000000000003 R09: 0000000000000000 [ 22.080279][ T368] R10: 00000000058e4910 R11: 0000000000000246 R12: 0000000000000005 [ 22.081056][ T368] R13: 00000000686e447a R14: 0000000000499600 R15: 0000000000000000 | [ 22.280142][ T373] ------------[ cut here ]------------ | [ 22.280506][ T373] WARNING: CPU: 2 PID: 373 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 22.281172][ T373] Modules linked in: bridge stp llc sch_tbf vrf veth | [ 22.282823][ T373] Tainted: [W]=WARN [ 22.283095][ T373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.283515][ T373] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 22.283856][ T373] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 22.285024][ T373] RSP: 0018:ffffc900004f6ef0 EFLAGS: 00010246 [ 22.285448][ T373] RAX: 0000000000000000 RBX: ffff88800be32000 RCX: 0000000000000001 [ 22.285945][ T373] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 22.286466][ T373] RBP: ffffc900004f6fe0 R08: 0000000000000000 R09: 0000000000000000 [ 22.286974][ T373] R10: ffffc900004f7010 R11: ffffffff9b8a8918 R12: 1ffff9200009ede2 [ 22.287462][ T373] R13: 00000000000005dc R14: ffffc900004f7010 R15: ffff88800be32f08 [ 22.287965][ T373] FS: 00007f4fd2bec800(0000) GS:ffff8880997b7000(0000) knlGS:0000000000000000 [ 22.288532][ T373] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.288944][ T373] CR2: 00000000004e5ab8 CR3: 000000000cc98003 CR4: 0000000000772ef0 [ 22.289446][ T373] PKRU: 55555554 [ 22.289697][ T373] Call Trace: [ 22.289972][ T373] [ 22.290152][ T373] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 22.290483][ T373] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.290820][ T373] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 22.291161][ T373] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 22.291576][ T373] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 22.291908][ T373] netif_set_mtu (net/core/dev.c:9652) [ 22.292257][ T373] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 22.292607][ T373] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 22.293080][ T373] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 22.293334][ T373] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 22.293785][ T373] br_add_if (net/bridge/br_if.c:697) bridge [ 22.294175][ T373] do_set_master (net/core/rtnetlink.c:2948) [ 22.294513][ T373] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 22.294852][ T373] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 22.295285][ T373] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.295629][ T373] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 22.295981][ T373] ? __kernel_text_address (kernel/extable.c:79) [ 22.296318][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.296654][ T373] ? __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) [ 22.297006][ T373] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 22.297422][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.297758][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.298104][ T373] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 22.298436][ T373] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 22.298769][ T373] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.299113][ T373] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 22.299450][ T373] ? __create_object (mm/kmemleak.c:771) [ 22.299785][ T373] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 22.300135][ T373] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 22.300467][ T373] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 22.300877][ T373] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 22.301221][ T373] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 22.301558][ T373] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 22.301886][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.302234][ T373] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.302570][ T373] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 22.302904][ T373] ? __lock_release (kernel/locking/lockdep.c:5539) [ 22.303250][ T373] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 22.303582][ T373] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 22.303914][ T373] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 22.304261][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.304597][ T373] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 22.304933][ T373] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 22.305281][ T373] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 22.305638][ T373] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 22.305992][ T373] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 22.306328][ T373] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 22.306668][ T373] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 22.307025][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.307368][ T373] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 22.307711][ T373] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 22.308067][ T373] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 22.308405][ T373] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 22.308754][ T373] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 22.309099][ T373] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 22.309525][ T373] ___sys_sendmsg (net/socket.c:2670) [ 22.309862][ T373] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 22.310218][ T373] ? __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) [ 22.310640][ T373] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 22.310995][ T373] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.311332][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.311681][ T373] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.312024][ T373] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 22.312357][ T373] ? __lock_release (kernel/locking/lockdep.c:5539) [ 22.312712][ T373] __sys_sendmsg (net/socket.c:2700) [ 22.313064][ T373] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 22.313480][ T373] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 22.313828][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.314178][ T373] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.314522][ T373] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 22.314928][ T373] RIP: 0033:0x7f4fd2db91e7 [ 22.315296][ T373] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 22.316457][ T373] RSP: 002b:00007ffe81bf5bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 22.316960][ T373] RAX: ffffffffffffffda RBX: 00007ffe81bf6300 RCX: 00007f4fd2db91e7 [ 22.317455][ T373] RDX: 0000000000000000 RSI: 00007ffe81bf5c40 RDI: 0000000000000005 [ 22.317943][ T373] RBP: 0000000000000005 R08: 0000000000000003 R09: 0000000000000000 [ 22.318442][ T373] R10: 000000001c453910 R11: 0000000000000246 R12: 0000000000000005 [ 22.318927][ T373] R13: 00000000686e447b R14: 0000000000499600 R15: 0000000000000000 | [ 22.490675][ T378] ------------[ cut here ]------------ | [ 22.491800][ T378] WARNING: CPU: 3 PID: 378 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 22.492434][ T378] Modules linked in: bridge stp llc sch_tbf vrf veth | [ 22.493470][ T378] Tainted: [W]=WARN [ 22.493708][ T378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.494112][ T378] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 22.494444][ T378] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 22.495592][ T378] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246 [ 22.496002][ T378] RAX: 0000000000000000 RBX: ffff88800be32000 RCX: 0000000000000001 [ 22.496467][ T378] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 22.496926][ T378] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000 [ 22.497404][ T378] R10: ffffc90000597010 R11: ffffffff9b8a8918 R12: 1ffff920000b2de2 [ 22.497864][ T378] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff88800be32f08 [ 22.498360][ T378] FS: 00007f607d9c1800(0000) GS:ffff888099837000(0000) knlGS:0000000000000000 [ 22.498907][ T378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.499454][ T378] CR2: 00000000004e5ac0 CR3: 000000000cba4005 CR4: 0000000000772ef0 [ 22.499916][ T378] PKRU: 55555554 [ 22.500226][ T378] Call Trace: [ 22.500461][ T378] [ 22.500620][ T378] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 22.500935][ T378] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.501256][ T378] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 22.501561][ T378] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 22.501976][ T378] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 22.502286][ T378] netif_set_mtu (net/core/dev.c:9652) [ 22.502592][ T378] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 22.502909][ T378] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 22.503376][ T378] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 22.503607][ T378] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 22.504040][ T378] br_add_if (net/bridge/br_if.c:697) bridge [ 22.504392][ T378] do_set_master (net/core/rtnetlink.c:2948) [ 22.504702][ T378] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 22.505024][ T378] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 22.505413][ T378] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.505740][ T378] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 22.506055][ T378] ? __kernel_text_address (kernel/extable.c:79) [ 22.506365][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.506675][ T378] ? __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) [ 22.506999][ T378] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 22.507388][ T378] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.507695][ T378] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.508020][ T378] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 22.508327][ T378] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 22.508630][ T378] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.508933][ T378] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 22.509249][ T378] ? __create_object (mm/kmemleak.c:771) [ 22.509556][ T378] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 22.509861][ T378] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 22.510188][ T378] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 22.510567][ T378] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 22.510876][ T378] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 22.511196][ T378] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 22.511515][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.511825][ T378] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.512143][ T378] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 22.512450][ T378] ? __lock_release (kernel/locking/lockdep.c:5539) [ 22.512764][ T378] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 22.513084][ T378] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 22.513391][ T378] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 22.513700][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.514024][ T378] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 22.514332][ T378] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 22.514641][ T378] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 22.514983][ T378] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 22.515287][ T378] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 22.515605][ T378] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 22.515985][ T378] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 22.516295][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.516610][ T378] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 22.516980][ T378] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 22.517297][ T378] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 22.517617][ T378] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 22.517934][ T378] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 22.518254][ T378] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 22.518650][ T378] ___sys_sendmsg (net/socket.c:2670) [ 22.518977][ T378] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 22.519289][ T378] ? __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) [ 22.519680][ T378] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 22.520006][ T378] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.520320][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.520637][ T378] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.520967][ T378] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 22.521278][ T378] ? __lock_release (kernel/locking/lockdep.c:5539) [ 22.521594][ T378] __sys_sendmsg (net/socket.c:2700) [ 22.521900][ T378] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 22.522298][ T378] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 22.522647][ T378] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.522981][ T378] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.523300][ T378] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 22.523680][ T378] RIP: 0033:0x7f607db8e1e7 [ 22.524013][ T378] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 22.525132][ T378] RSP: 002b:00007ffd5ffb60b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 22.525612][ T378] RAX: ffffffffffffffda RBX: 00007ffd5ffb67e0 RCX: 00007f607db8e1e7 [ 22.526108][ T378] RDX: 0000000000000000 RSI: 00007ffd5ffb6120 RDI: 0000000000000005 [ 22.526567][ T378] RBP: 0000000000000005 R08: 0000000000000003 R09: 0000000000000000 [ 22.527032][ T378] R10: 000000003a05f910 R11: 0000000000000246 R12: 0000000000000005 [ 22.527492][ T378] R13: 00000000686e447b R14: 0000000000499600 R15: 0000000000000000 | [ 22.833631][ T386] ------------[ cut here ]------------ | [ 22.833967][ T386] WARNING: CPU: 0 PID: 386 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 22.834515][ T386] Modules linked in: bridge stp llc sch_tbf vrf veth | [ 22.835455][ T386] Tainted: [W]=WARN [ 22.835682][ T386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.836977][ T386] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 22.837283][ T386] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 22.838327][ T386] RSP: 0018:ffffc90000577140 EFLAGS: 00010246 [ 22.838682][ T386] RAX: 0000000000000000 RBX: ffff8880050f4000 RCX: 0000000000000001 [ 22.839122][ T386] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 22.839540][ T386] RBP: ffffc90000577230 R08: ffff888004dfa000 R09: 0000000000000000 [ 22.839994][ T386] R10: ffffc900005775c8 R11: ffffffff9b850668 R12: 1ffff920000aee2c [ 22.840410][ T386] R13: 0000000000002710 R14: ffffc90000577880 R15: ffff888008bc4e60 [ 22.840823][ T386] FS: 00007f3d1c8b6800(0000) GS:ffff8880996b7000(0000) knlGS:0000000000000000 [ 22.841319][ T386] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.841669][ T386] CR2: 00000000004e5aa8 CR3: 000000000529a003 CR4: 0000000000772ef0 [ 22.842101][ T386] PKRU: 55555554 [ 22.842398][ T386] Call Trace: [ 22.842607][ T386] [ 22.842748][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.843051][ T386] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 22.843326][ T386] ? __lock_release (kernel/locking/lockdep.c:5539) [ 22.843609][ T386] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 22.843893][ T386] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 22.844181][ T386] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 22.844462][ T386] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 22.844741][ T386] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 22.845113][ T386] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.845390][ T386] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 22.845678][ T386] ? __kernel_text_address (kernel/extable.c:79) [ 22.845973][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.846253][ T386] ? __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) [ 22.846526][ T386] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 22.846865][ T386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.847164][ T386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.847437][ T386] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 22.847709][ T386] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 22.847998][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.848272][ T386] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 22.848542][ T386] ? __create_object (mm/kmemleak.c:771) [ 22.848821][ T386] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 22.849106][ T386] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 22.849385][ T386] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 22.849727][ T386] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 22.850015][ T386] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 22.850303][ T386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 22.850577][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.850853][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.851145][ T386] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 22.851419][ T386] ? __lock_release (kernel/locking/lockdep.c:5539) [ 22.851703][ T386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 22.851985][ T386] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 22.852261][ T386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 22.852542][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.852823][ T386] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 22.853110][ T386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 22.853386][ T386] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 22.853671][ T386] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 22.853942][ T386] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 22.854233][ T386] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 22.854528][ T386] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 22.854800][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.855100][ T386] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 22.855377][ T386] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 22.855667][ T386] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 22.855962][ T386] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 22.856244][ T386] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 22.856521][ T386] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 22.856874][ T386] ___sys_sendmsg (net/socket.c:2670) [ 22.857172][ T386] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 22.857446][ T386] ? __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) [ 22.857789][ T386] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 22.858076][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.858352][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.858637][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.858910][ T386] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 22.859203][ T386] ? __lock_release (kernel/locking/lockdep.c:5539) [ 22.859487][ T386] __sys_sendmsg (net/socket.c:2700) [ 22.859758][ T386] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 22.860109][ T386] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 22.860394][ T386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.860674][ T386] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.860962][ T386] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 22.861303][ T386] RIP: 0033:0x7f3d1ca831e7 [ 22.861590][ T386] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 22.862601][ T386] RSP: 002b:00007fff938813c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 22.863051][ T386] RAX: ffffffffffffffda RBX: 00007fff93881af0 RCX: 00007f3d1ca831e7 [ 22.863468][ T386] RDX: 0000000000000000 RSI: 00007fff93881430 RDI: 0000000000000005 [ 22.863880][ T386] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 22.864296][ T386] R10: 00007f3d1c980ee8 R11: 0000000000000246 R12: 0000000000000004 [ 22.864713][ T386] R13: 00000000686e447b R14: 0000000000499600 R15: 0000000000000000 | [ 22.868343][ T386] ------------[ cut here ]------------ | [ 22.868669][ T386] WARNING: CPU: 0 PID: 386 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 22.870749][ T386] Modules linked in: bridge stp llc sch_tbf vrf veth | [ 22.871786][ T386] Tainted: [W]=WARN [ 22.872041][ T386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.872442][ T386] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 22.872759][ T386] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 22.873859][ T386] RSP: 0018:ffffc90000576de0 EFLAGS: 00010246 [ 22.874263][ T386] RAX: 0000000000000000 RBX: ffff88800be32000 RCX: 0000000000000001 [ 22.874724][ T386] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 22.875194][ T386] RBP: ffffc90000576ed0 R08: 0000000000000000 R09: 0000000000000000 [ 22.875678][ T386] R10: ffffc90000576f00 R11: ffffffff9af79160 R12: 1ffff920000aedc0 [ 22.876166][ T386] R13: 00000000000005dc R14: ffffc90000576f00 R15: ffff88800be32f08 [ 22.876630][ T386] FS: 00007f3d1c8b6800(0000) GS:ffff8880996b7000(0000) knlGS:0000000000000000 [ 22.877178][ T386] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.877569][ T386] CR2: 00000000004e5aa8 CR3: 000000000529a003 CR4: 0000000000772ef0 [ 22.878043][ T386] PKRU: 55555554 [ 22.878286][ T386] Call Trace: [ 22.878519][ T386] [ 22.878682][ T386] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 22.879001][ T386] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) [ 22.879311][ T386] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 22.879621][ T386] ? fib6_walk (net/ipv6/ip6_fib.c:2216) [ 22.879931][ T386] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) [ 22.880254][ T386] ? fib6_walk (net/ipv6/ip6_fib.c:2216) [ 22.880574][ T386] netif_set_mtu (net/core/dev.c:9652) [ 22.880883][ T386] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 22.881209][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.881520][ T386] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) [ 22.881835][ T386] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 22.882079][ T386] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 22.882520][ T386] br_device_event (net/bridge/br.c:142) bridge [ 22.882866][ T386] ? __pfx_br_device_event (net/bridge/br.c:29) bridge [ 22.883302][ T386] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) [ 22.883625][ T386] netif_set_mtu_ext (./include/linux/notifier.h:207 net/core/dev.c:9633) [ 22.883933][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.884263][ T386] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 22.884578][ T386] ? __lock_release (kernel/locking/lockdep.c:5539) [ 22.884889][ T386] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 22.885210][ T386] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 22.885524][ T386] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 22.885848][ T386] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 22.887342][ T386] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 22.887755][ T386] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.888091][ T386] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 22.888405][ T386] ? __kernel_text_address (kernel/extable.c:79) [ 22.888727][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.889048][ T386] ? __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) [ 22.889363][ T386] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 22.889748][ T386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.890073][ T386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.890383][ T386] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 22.890690][ T386] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 22.891019][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.891334][ T386] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 22.891642][ T386] ? __create_object (mm/kmemleak.c:771) [ 22.891978][ T386] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 22.892299][ T386] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 22.892637][ T386] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 22.893030][ T386] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 22.893371][ T386] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 22.893697][ T386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 22.894018][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.894339][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.894651][ T386] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 22.894991][ T386] ? __lock_release (kernel/locking/lockdep.c:5539) [ 22.895305][ T386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 22.895622][ T386] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 22.895934][ T386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 22.896277][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.896599][ T386] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 22.896911][ T386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 22.897233][ T386] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 22.897555][ T386] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 22.897862][ T386] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 22.898183][ T386] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 22.898504][ T386] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 22.898812][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.899140][ T386] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 22.899452][ T386] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 22.899759][ T386] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 22.900100][ T386] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 22.900418][ T386] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 22.900734][ T386] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 22.901141][ T386] ___sys_sendmsg (net/socket.c:2670) [ 22.901450][ T386] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 22.901759][ T386] ? __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) [ 22.902157][ T386] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 22.902469][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.902783][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.903114][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.903423][ T386] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 22.903733][ T386] ? __lock_release (kernel/locking/lockdep.c:5539) [ 22.904067][ T386] __sys_sendmsg (net/socket.c:2700) [ 22.904382][ T386] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 22.904764][ T386] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 22.905096][ T386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.905417][ T386] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.905762][ T386] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 22.906159][ T386] RIP: 0033:0x7f3d1ca831e7 [ 22.906484][ T386] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 22.907593][ T386] RSP: 002b:00007fff938813c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 22.908084][ T386] RAX: ffffffffffffffda RBX: 00007fff93881af0 RCX: 00007f3d1ca831e7 [ 22.908548][ T386] RDX: 0000000000000000 RSI: 00007fff93881430 RDI: 0000000000000005 [ 22.909019][ T386] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 22.909483][ T386] R10: 00007f3d1c980ee8 R11: 0000000000000246 R12: 0000000000000004 [ 22.909969][ T386] R13: 00000000686e447b R14: 0000000000499600 R15: 0000000000000000 | [ 23.284470][ T394] ------------[ cut here ]------------ | [ 23.284814][ T394] WARNING: CPU: 0 PID: 394 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 23.285417][ T394] Modules linked in: bridge stp llc sch_tbf vrf veth | [ 23.286762][ T394] Tainted: [W]=WARN [ 23.287017][ T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.287423][ T394] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 23.287742][ T394] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 23.289681][ T394] RSP: 0018:ffffc900004f7140 EFLAGS: 00010246 [ 23.290083][ T394] RAX: 0000000000000000 RBX: ffff8880091f9000 RCX: 0000000000000001 [ 23.290522][ T394] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 23.290992][ T394] RBP: ffffc900004f7230 R08: ffff88800b943800 R09: 0000000000000000 [ 23.291428][ T394] R10: ffffc900004f75c8 R11: ffffffff9b850668 R12: 1ffff9200009ee2c [ 23.291875][ T394] R13: 0000000000002710 R14: ffffc900004f7880 R15: ffff888005b64ae0 [ 23.292331][ T394] FS: 00007f2b6a00f800(0000) GS:ffff8880996b7000(0000) knlGS:0000000000000000 [ 23.292853][ T394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.293266][ T394] CR2: 00000000004e5ab8 CR3: 000000000bedb005 CR4: 0000000000772ef0 [ 23.293705][ T394] PKRU: 55555554 [ 23.293923][ T394] Call Trace: [ 23.294152][ T394] [ 23.294300][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.294593][ T394] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 23.294883][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.295189][ T394] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 23.295486][ T394] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 23.295785][ T394] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 23.296095][ T394] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 23.296393][ T394] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 23.296761][ T394] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.297092][ T394] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 23.297387][ T394] ? __kernel_text_address (kernel/extable.c:79) [ 23.297687][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.298027][ T394] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) [ 23.298323][ T394] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 23.298704][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.299028][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.299341][ T394] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 23.299651][ T394] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 23.299981][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.300292][ T394] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 23.300603][ T394] ? __create_object (mm/kmemleak.c:771) [ 23.300916][ T394] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 23.301241][ T394] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 23.301554][ T394] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 23.301945][ T394] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 23.302283][ T394] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 23.302597][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.302905][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.303233][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.303541][ T394] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 23.303846][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.304165][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.304495][ T394] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 23.304817][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.305165][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.305481][ T394] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 23.305810][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.306131][ T394] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 23.306449][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 23.306772][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 23.307105][ T394] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 23.307413][ T394] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 23.307717][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.308036][ T394] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 23.308344][ T394] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 23.308652][ T394] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 23.308975][ T394] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 23.309288][ T394] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 23.309602][ T394] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 23.310001][ T394] ___sys_sendmsg (net/socket.c:2670) [ 23.310308][ T394] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 23.310613][ T394] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) [ 23.311002][ T394] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 23.311315][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.311635][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.311961][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.312268][ T394] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 23.312573][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.312889][ T394] __sys_sendmsg (net/socket.c:2700) [ 23.313204][ T394] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 23.313584][ T394] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 23.313904][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.314231][ T394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 23.314541][ T394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 23.314921][ T394] RIP: 0033:0x7f2b6a1dc1e7 [ 23.315255][ T394] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 23.316380][ T394] RSP: 002b:00007fff3ee8bd18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 23.316847][ T394] RAX: ffffffffffffffda RBX: 00007fff3ee8c440 RCX: 00007f2b6a1dc1e7 [ 23.317318][ T394] RDX: 0000000000000000 RSI: 00007fff3ee8bd80 RDI: 0000000000000005 [ 23.317778][ T394] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 23.318254][ T394] R10: 00007f2b6a0d9ee8 R11: 0000000000000246 R12: 0000000000000004 [ 23.318718][ T394] R13: 00000000686e447c R14: 0000000000499600 R15: 0000000000000000 | [ 23.322512][ T394] ------------[ cut here ]------------ | [ 23.322866][ T394] WARNING: CPU: 0 PID: 394 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 23.323559][ T394] Modules linked in: bridge stp llc sch_tbf vrf veth | [ 23.324723][ T394] Tainted: [W]=WARN [ 23.324999][ T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.325424][ T394] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 23.325788][ T394] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 23.326984][ T394] RSP: 0018:ffffc900004f6de0 EFLAGS: 00010246 [ 23.327400][ T394] RAX: 0000000000000000 RBX: ffff88800be32000 RCX: 0000000000000001 [ 23.327887][ T394] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 23.328394][ T394] RBP: ffffc900004f6ed0 R08: 0000000000000000 R09: 0000000000000000 [ 23.328892][ T394] R10: ffffc900004f6f00 R11: ffffffff9af79160 R12: 1ffff9200009edc0 [ 23.329402][ T394] R13: 00000000000005dc R14: ffffc900004f6f00 R15: ffff88800be32f08 [ 23.329912][ T394] FS: 00007f2b6a00f800(0000) GS:ffff8880996b7000(0000) knlGS:0000000000000000 [ 23.330521][ T394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.330942][ T394] CR2: 00000000004e5ab8 CR3: 000000000bedb005 CR4: 0000000000772ef0 [ 23.331447][ T394] PKRU: 55555554 [ 23.331698][ T394] Call Trace: [ 23.331988][ T394] [ 23.332160][ T394] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 23.332520][ T394] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) [ 23.332864][ T394] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 23.333211][ T394] ? fib6_walk (net/ipv6/ip6_fib.c:2216) [ 23.333543][ T394] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) [ 23.333890][ T394] ? fib6_walk (net/ipv6/ip6_fib.c:2216) [ 23.334280][ T394] netif_set_mtu (net/core/dev.c:9652) [ 23.334613][ T394] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 23.334944][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.335294][ T394] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) [ 23.335636][ T394] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 23.335884][ T394] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 23.336349][ T394] br_device_event (net/bridge/br.c:142) bridge [ 23.336731][ T394] ? __pfx_br_device_event (net/bridge/br.c:29) bridge [ 23.337198][ T394] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) [ 23.337535][ T394] netif_set_mtu_ext (./include/linux/notifier.h:207 net/core/dev.c:9633) [ 23.337873][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.338221][ T394] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 23.338548][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.338876][ T394] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 23.339222][ T394] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 23.339554][ T394] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 23.339884][ T394] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 23.340223][ T394] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 23.340642][ T394] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.340980][ T394] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 23.341304][ T394] ? __kernel_text_address (kernel/extable.c:79) [ 23.341641][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.341984][ T394] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) [ 23.342312][ T394] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 23.342721][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.343057][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.343379][ T394] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 23.343713][ T394] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 23.344064][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.344398][ T394] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 23.344719][ T394] ? __create_object (mm/kmemleak.c:771) [ 23.345055][ T394] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 23.345382][ T394] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 23.345736][ T394] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 23.346152][ T394] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 23.346507][ T394] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 23.346853][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.347195][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.347522][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.347849][ T394] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 23.348205][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.348534][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.348856][ T394] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 23.349201][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.349526][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.349853][ T394] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 23.350196][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.350527][ T394] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 23.350860][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 23.351193][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 23.351531][ T394] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 23.351887][ T394] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 23.352223][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.352567][ T394] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 23.352900][ T394] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 23.353241][ T394] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 23.353583][ T394] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 23.353927][ T394] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 23.354280][ T394] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 23.354720][ T394] ___sys_sendmsg (net/socket.c:2670) [ 23.355071][ T394] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 23.355405][ T394] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) [ 23.355832][ T394] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 23.356172][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.356508][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.356839][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.357178][ T394] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 23.357505][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.357836][ T394] __sys_sendmsg (net/socket.c:2700) [ 23.358191][ T394] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 23.358593][ T394] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 23.358929][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.359282][ T394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 23.359630][ T394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 23.360065][ T394] RIP: 0033:0x7f2b6a1dc1e7 [ 23.360401][ T394] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 23.361568][ T394] RSP: 002b:00007fff3ee8bd18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 23.362095][ T394] RAX: ffffffffffffffda RBX: 00007fff3ee8c440 RCX: 00007f2b6a1dc1e7 [ 23.362585][ T394] RDX: 0000000000000000 RSI: 00007fff3ee8bd80 RDI: 0000000000000005 [ 23.363092][ T394] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 23.363592][ T394] R10: 00007f2b6a0d9ee8 R11: 0000000000000246 R12: 0000000000000004 [ 23.364091][ T394] R13: 00000000686e447c R14: 0000000000499600 R15: 0000000000000000 | [ 23.665782][ T402] ------------[ cut here ]------------ | [ 23.667175][ T402] WARNING: CPU: 0 PID: 402 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) | [ 23.668123][ T402] Modules linked in: bridge stp llc sch_tbf vrf veth | [ 23.669778][ T402] Tainted: [W]=WARN [ 23.670176][ T402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.670794][ T402] 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) [ 23.671311][ T402] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 23.673097][ T402] RSP: 0018:ffffc90000617140 EFLAGS: 00010246 [ 23.673721][ T402] RAX: 0000000000000000 RBX: ffff888004cbc000 RCX: 0000000000000001 [ 23.674478][ T402] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 23.675196][ T402] RBP: ffffc90000617230 R08: ffff88800c8c6800 R09: 0000000000000000 [ 23.675942][ T402] R10: ffffc900006175c8 R11: ffffffff9b850668 R12: 1ffff920000c2e2c [ 23.676694][ T402] R13: 0000000000002710 R14: ffffc90000617880 R15: ffff888005b643e0 [ 23.677436][ T402] FS: 00007f8839710800(0000) GS:ffff8880996b7000(0000) knlGS:0000000000000000 [ 23.678302][ T402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.678926][ T402] CR2: 00000000004e5ac0 CR3: 000000000f605001 CR4: 0000000000772ef0 [ 23.679682][ T402] PKRU: 55555554 [ 23.680063][ T402] Call Trace: [ 23.680429][ T402] [ 23.680679][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.681184][ T402] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 23.681663][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.682167][ T402] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 23.682652][ T402] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 23.683155][ T402] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 23.683650][ T402] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 23.684155][ T402] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 23.684747][ T402] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.685177][ T402] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 23.685667][ T402] ? __kernel_text_address (kernel/extable.c:79) [ 23.686175][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.686656][ T402] ? __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) [ 23.687139][ T402] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 23.687732][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.688236][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.688711][ T402] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 23.689192][ T402] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 23.689668][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.690129][ T402] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 23.690611][ T402] ? __create_object (mm/kmemleak.c:771) [ 23.691097][ T402] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 23.691570][ T402] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 23.692069][ T402] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 23.692668][ T402] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 23.693200][ T402] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 23.693709][ T402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.694230][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.694734][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.695237][ T402] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 23.695731][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.696243][ T402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.696735][ T402] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 23.697282][ T402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.697783][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.698280][ T402] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 23.698716][ T402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.699207][ T402] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 23.699704][ T402] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 23.700190][ T402] ? 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) [ 23.700687][ T402] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 23.701210][ T402] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 23.701690][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.702183][ T402] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 23.702665][ T402] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 23.703152][ T402] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 23.703639][ T402] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 23.704120][ T402] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 23.704610][ T402] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 23.705206][ T402] ___sys_sendmsg (net/socket.c:2670) [ 23.705706][ T402] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 23.706192][ T402] ? __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) [ 23.706784][ T402] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 23.707217][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.707727][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.708240][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.708736][ T402] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 23.709244][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.709745][ T402] __sys_sendmsg (net/socket.c:2700) [ 23.710106][ T402] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 23.710699][ T402] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 23.711212][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.711660][ T402] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 23.712140][ T402] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 23.712721][ T402] RIP: 0033:0x7f88398dd1e7 [ 23.713215][ T402] 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) [ 23.714890][ T402] RSP: 002b:00007ffeb3650c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 23.715612][ T402] RAX: ffffffffffffffda RBX: 00007ffeb36513a0 RCX: 00007f88398dd1e7 [ 23.716349][ T402] RDX: 0000000000000000 RSI: 00007ffeb3650ce0 RDI: 0000000000000005 [ 23.717123][ T402] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 23.717854][ T402] R10: 00007f88397daee8 R11: 0000000000000246 R12: 0000000000000004 [ 23.718581][ T402] R13: 00000000686e447c R14: 0000000000499600 R15: 0000000000000000 | [ 23.724502][ T402] ------------[ cut here ]------------ | [ 23.725088][ T402] WARNING: CPU: 0 PID: 402 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) | [ 23.726177][ T402] Modules linked in: bridge stp llc sch_tbf vrf veth | [ 23.728060][ T402] Tainted: [W]=WARN [ 23.728386][ T402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.729029][ T402] 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) [ 23.729552][ T402] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 23.731514][ T402] RSP: 0018:ffffc90000616de0 EFLAGS: 00010246 [ 23.732246][ T402] RAX: 0000000000000000 RBX: ffff88800be32000 RCX: 0000000000000001 [ 23.733114][ T402] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 23.733934][ T402] RBP: ffffc90000616ed0 R08: 0000000000000000 R09: 0000000000000000 [ 23.734767][ T402] R10: ffffc90000616f00 R11: ffffffff9af79160 R12: 1ffff920000c2dc0 [ 23.735627][ T402] R13: 0000000000002710 R14: ffffc90000616f00 R15: ffff88800be32f08 [ 23.736463][ T402] FS: 00007f8839710800(0000) GS:ffff8880996b7000(0000) knlGS:0000000000000000 [ 23.737441][ T402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.738150][ T402] CR2: 00000000004e5ac0 CR3: 000000000f605001 CR4: 0000000000772ef0 [ 23.738996][ T402] PKRU: 55555554 [ 23.739397][ T402] Call Trace: [ 23.739775][ T402] [ 23.739996][ T402] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 23.740553][ T402] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) [ 23.741048][ T402] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 23.741532][ T402] ? fib6_walk (net/ipv6/ip6_fib.c:2216) [ 23.742049][ T402] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) [ 23.742590][ T402] ? fib6_walk (net/ipv6/ip6_fib.c:2216) [ 23.743159][ T402] netif_set_mtu (net/core/dev.c:9652) [ 23.743718][ T402] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 23.744296][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.744841][ T402] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) [ 23.745410][ T402] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 23.745843][ T402] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 23.746629][ T402] br_device_event (net/bridge/br.c:142) bridge [ 23.747257][ T402] ? __pfx_br_device_event (net/bridge/br.c:29) bridge [ 23.748040][ T402] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) [ 23.748626][ T402] netif_set_mtu_ext (./include/linux/notifier.h:207 net/core/dev.c:9633) [ 23.749215][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.749756][ T402] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 23.750328][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.750892][ T402] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 23.751478][ T402] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 23.752059][ T402] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 23.752603][ T402] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 23.753202][ T402] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 23.753917][ T402] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.754421][ T402] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 23.754893][ T402] ? __kernel_text_address (kernel/extable.c:79) [ 23.755483][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.756023][ T402] ? __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) [ 23.756583][ T402] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 23.757290][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.757880][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.758476][ T402] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 23.759060][ T402] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 23.759653][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.760243][ T402] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 23.760799][ T402] ? __create_object (mm/kmemleak.c:771) [ 23.761316][ T402] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 23.761775][ T402] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 23.762338][ T402] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 23.762926][ T402] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 23.763477][ T402] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 23.764011][ T402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.764565][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.765157][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.765726][ T402] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 23.766287][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.766909][ T402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 23.767510][ T402] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 23.768064][ T402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.768647][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.769249][ T402] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 23.769827][ T402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 23.770427][ T402] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 23.771035][ T402] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 23.771605][ T402] ? 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) [ 23.772206][ T402] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 23.772783][ T402] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 23.773370][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.773941][ T402] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 23.774528][ T402] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 23.775115][ T402] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 23.775684][ T402] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 23.776266][ T402] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 23.776828][ T402] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 23.777543][ T402] ___sys_sendmsg (net/socket.c:2670) [ 23.778123][ T402] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 23.778687][ T402] ? __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) [ 23.779404][ T402] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 23.780008][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.780596][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 23.781208][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 23.781779][ T402] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 23.782374][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) [ 23.782992][ T402] __sys_sendmsg (net/socket.c:2700) [ 23.783568][ T402] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 23.784295][ T402] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 23.784905][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 23.785498][ T402] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 23.786101][ T402] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 23.786801][ T402] RIP: 0033:0x7f88398dd1e7 [ 23.787406][ T402] 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) [ 23.789489][ T402] RSP: 002b:00007ffeb3650c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 23.790377][ T402] RAX: ffffffffffffffda RBX: 00007ffeb36513a0 RCX: 00007f88398dd1e7 [ 23.791239][ T402] RDX: 0000000000000000 RSI: 00007ffeb3650ce0 RDI: 0000000000000005 [ 23.792098][ T402] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 23.792982][ T402] R10: 00007f88397daee8 R11: 0000000000000246 R12: 0000000000000004 [ 23.793853][ T402] R13: 00000000686e447c R14: 0000000000499600 R15: 0000000000000000 | [ 164.763118][ T987] ------------[ cut here ]------------ | [ 164.763439][ T987] WARNING: CPU: 1 PID: 987 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) | [ 164.764000][ T987] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf vrf veth | [ 164.766668][ T987] Tainted: [W]=WARN [ 164.766889][ T987] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 164.767377][ T987] 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) [ 164.767663][ T987] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 164.768771][ T987] RSP: 0018:ffffc90000d7f140 EFLAGS: 00010246 [ 164.769255][ T987] RAX: 0000000000000000 RBX: ffff88800bdd9000 RCX: 0000000000000001 [ 164.769665][ T987] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 164.770189][ T987] RBP: ffffc90000d7f230 R08: ffff888005068800 R09: 0000000000000000 [ 164.770628][ T987] R10: ffffc90000d7f5c8 R11: ffffffff9b850668 R12: 1ffff920001afe2c [ 164.771048][ T987] R13: 00000000000005dc R14: ffffc90000d7f880 R15: ffff88800ce26de0 [ 164.771465][ T987] FS: 00007f97de941800(0000) GS:ffff888099737000(0000) knlGS:0000000000000000 [ 164.771939][ T987] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 164.772293][ T987] CR2: 00000000004e5ac8 CR3: 000000000290d003 CR4: 0000000000772ef0 [ 164.772704][ T987] PKRU: 55555554 [ 164.772909][ T987] Call Trace: [ 164.773129][ T987] [ 164.773269][ T987] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 164.773553][ T987] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 164.773826][ T987] ? __lock_release (kernel/locking/lockdep.c:5539) [ 164.774111][ T987] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 164.774385][ T987] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 164.774694][ T987] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 164.774991][ T987] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 164.775273][ T987] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 164.775622][ T987] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 164.775915][ T987] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 164.776200][ T987] ? __kernel_text_address (kernel/extable.c:79) [ 164.776478][ T987] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.776758][ T987] ? __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) [ 164.777048][ T987] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 164.777389][ T987] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 164.777665][ T987] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 164.777936][ T987] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 164.778218][ T987] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 164.778518][ T987] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 164.778797][ T987] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 164.779080][ T987] ? __create_object (mm/kmemleak.c:771) [ 164.779365][ T987] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 164.779642][ T987] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 164.779913][ T987] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 164.780266][ T987] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 164.780549][ T987] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 164.780830][ T987] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.781110][ T987] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.781396][ T987] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 164.781669][ T987] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 164.781940][ T987] ? __lock_release (kernel/locking/lockdep.c:5539) [ 164.782224][ T987] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.782533][ T987] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 164.782811][ T987] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.783112][ T987] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.783403][ T987] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 164.783688][ T987] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.783990][ T987] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 164.784276][ T987] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 164.784547][ T987] ? 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) [ 164.784821][ T987] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 164.785105][ T987] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 164.785378][ T987] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.785664][ T987] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 164.785965][ T987] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 164.786240][ T987] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 164.786551][ T987] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 164.786830][ T987] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 164.787128][ T987] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 164.787483][ T987] ___sys_sendmsg (net/socket.c:2670) [ 164.787762][ T987] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 164.788044][ T987] ? __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) [ 164.788388][ T987] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 164.788665][ T987] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 164.788942][ T987] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.789237][ T987] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 164.789508][ T987] ? irqentry_exit (kernel/entry/common.c:311) [ 164.789788][ T987] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 164.790079][ T987] __sys_sendmsg (net/socket.c:2700) [ 164.790355][ T987] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 164.790674][ T987] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 164.790963][ T987] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 164.791238][ T987] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 164.791577][ T987] RIP: 0033:0x7f97deb0e1e7 [ 164.791859][ T987] 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) [ 164.792851][ T987] RSP: 002b:00007ffd2e768648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 164.793271][ T987] RAX: ffffffffffffffda RBX: 00007ffd2e768d70 RCX: 00007f97deb0e1e7 [ 164.793687][ T987] RDX: 0000000000000000 RSI: 00007ffd2e7686b0 RDI: 0000000000000005 [ 164.794102][ T987] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 164.794540][ T987] R10: 00007f97dea0bee8 R11: 0000000000000246 R12: 0000000000000004 [ 164.794964][ T987] R13: 00000000686e4509 R14: 0000000000499600 R15: 0000000000000000 | [ 164.924789][ T989] ------------[ cut here ]------------ | [ 164.925593][ T989] WARNING: CPU: 2 PID: 989 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) | [ 164.926186][ T989] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf vrf veth | [ 164.927352][ T989] Tainted: [W]=WARN [ 164.927572][ T989] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 164.927926][ T989] 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) [ 164.928231][ T989] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 164.929254][ T989] RSP: 0018:ffffc90000d9f140 EFLAGS: 00010246 [ 164.929625][ T989] RAX: 0000000000000000 RBX: ffff88800996c000 RCX: 0000000000000001 [ 164.930058][ T989] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 164.930487][ T989] RBP: ffffc90000d9f230 R08: ffff888002a80800 R09: 0000000000000000 [ 164.930908][ T989] R10: ffffc90000d9f5c8 R11: ffffffff9b850668 R12: 1ffff920001b3e2c [ 164.931343][ T989] R13: 00000000000005dc R14: ffffc90000d9f880 R15: ffff88800ce27860 [ 164.931766][ T989] FS: 00007f43dd60e800(0000) GS:ffff8880997b7000(0000) knlGS:0000000000000000 [ 164.932271][ T989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 164.932626][ T989] CR2: 00000000004e5ab0 CR3: 00000000061a5001 CR4: 0000000000772ef0 [ 164.933058][ T989] PKRU: 55555554 [ 164.933276][ T989] Call Trace: [ 164.933493][ T989] [ 164.933644][ T989] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 164.933937][ T989] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 164.934237][ T989] ? __lock_release (kernel/locking/lockdep.c:5539) [ 164.934529][ T989] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 164.934815][ T989] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 164.935112][ T989] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 164.935401][ T989] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 164.935703][ T989] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 164.936089][ T989] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 164.936376][ T989] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 164.936657][ T989] ? __kernel_text_address (kernel/extable.c:79) [ 164.936945][ T989] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.937245][ T989] ? __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) [ 164.937532][ T989] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 164.937961][ T989] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 164.938265][ T989] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 164.938565][ T989] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 164.938867][ T989] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 164.939182][ T989] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 164.939487][ T989] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 164.939785][ T989] ? __create_object (mm/kmemleak.c:771) [ 164.940100][ T989] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 164.940403][ T989] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 164.940708][ T989] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 164.941091][ T989] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 164.941403][ T989] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 164.941713][ T989] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.942025][ T989] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.942333][ T989] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 164.942636][ T989] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 164.942934][ T989] ? __lock_release (kernel/locking/lockdep.c:5539) [ 164.943257][ T989] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.943562][ T989] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 164.943866][ T989] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.944182][ T989] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.944491][ T989] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 164.944796][ T989] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.945109][ T989] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 164.945454][ T989] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 164.945771][ T989] ? 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) [ 164.946094][ T989] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 164.946402][ T989] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 164.946704][ T989] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.947023][ T989] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 164.947335][ T989] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 164.947643][ T989] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 164.947964][ T989] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 164.948269][ T989] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 164.948569][ T989] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 164.948961][ T989] ___sys_sendmsg (net/socket.c:2670) [ 164.949265][ T989] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 164.949585][ T989] ? __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) [ 164.949982][ T989] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 164.950292][ T989] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 164.950601][ T989] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.950907][ T989] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 164.951216][ T989] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 164.951502][ T989] ? __lock_release (kernel/locking/lockdep.c:5539) [ 164.951814][ T989] __sys_sendmsg (net/socket.c:2700) [ 164.952123][ T989] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 164.952497][ T989] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 164.952803][ T989] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 164.953113][ T989] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 164.953401][ T989] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 164.953754][ T989] RIP: 0033:0x7f43dd7db1e7 [ 164.954076][ T989] 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) [ 164.955094][ T989] RSP: 002b:00007ffcd9208fa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 164.955519][ T989] RAX: ffffffffffffffda RBX: 00007ffcd92096d0 RCX: 00007f43dd7db1e7 [ 164.955964][ T989] RDX: 0000000000000000 RSI: 00007ffcd9209010 RDI: 0000000000000005 [ 164.956394][ T989] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 164.956814][ T989] R10: 00007f43dd6d8ee8 R11: 0000000000000246 R12: 0000000000000004 [ 164.957245][ T989] R13: 00000000686e4509 R14: 0000000000499600 R15: 0000000000000000 | [ 165.089111][ T991] ------------[ cut here ]------------ | [ 165.089507][ T991] WARNING: CPU: 2 PID: 991 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) | [ 165.090119][ T991] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf vrf veth | [ 165.091460][ T991] Tainted: [W]=WARN [ 165.091698][ T991] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 165.092083][ T991] 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) [ 165.092398][ T991] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 165.093458][ T991] RSP: 0018:ffffc90000daf140 EFLAGS: 00010246 [ 165.093837][ T991] RAX: 0000000000000000 RBX: ffff888009b79000 RCX: 0000000000000001 [ 165.094294][ T991] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 165.094738][ T991] RBP: ffffc90000daf230 R08: ffff88800a826800 R09: 0000000000000000 [ 165.095192][ T991] R10: ffffc90000daf5c8 R11: ffffffff9b850668 R12: 1ffff920001b5e2c [ 165.095633][ T991] R13: 00000000000005dc R14: ffffc90000daf880 R15: ffff88800ce243e0 [ 165.096100][ T991] FS: 00007f899cdce800(0000) GS:ffff8880997b7000(0000) knlGS:0000000000000000 [ 165.096625][ T991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 165.097020][ T991] CR2: 00000000004e5aa0 CR3: 000000000a3cd003 CR4: 0000000000772ef0 [ 165.097471][ T991] PKRU: 55555554 [ 165.097701][ T991] Call Trace: [ 165.097931][ T991] [ 165.098104][ T991] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.098409][ T991] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 165.098708][ T991] ? __lock_release (kernel/locking/lockdep.c:5539) [ 165.099088][ T991] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 165.099384][ T991] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 165.099673][ T991] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 165.099976][ T991] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 165.100272][ T991] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 165.100636][ T991] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 165.100928][ T991] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 165.101223][ T991] ? __kernel_text_address (kernel/extable.c:79) [ 165.101513][ T991] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.101804][ T991] ? __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) [ 165.102103][ T991] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 165.102463][ T991] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.102765][ T991] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.103071][ T991] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 165.103357][ T991] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 165.103646][ T991] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.103935][ T991] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 165.104229][ T991] ? __create_object (mm/kmemleak.c:771) [ 165.104520][ T991] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 165.104806][ T991] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 165.105104][ T991] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 165.105471][ T991] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 165.105781][ T991] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 165.106085][ T991] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.106371][ T991] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.106662][ T991] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.106978][ T991] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 165.107262][ T991] ? __lock_release (kernel/locking/lockdep.c:5539) [ 165.107551][ T991] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.107843][ T991] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 165.108144][ T991] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.108436][ T991] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.108730][ T991] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 165.109032][ T991] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.109323][ T991] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 165.109622][ T991] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 165.109912][ T991] ? 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) [ 165.110212][ T991] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 165.110511][ T991] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 165.110829][ T991] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.111137][ T991] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 165.111430][ T991] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 165.111717][ T991] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 165.112033][ T991] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 165.112325][ T991] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 165.112613][ T991] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 165.112987][ T991] ___sys_sendmsg (net/socket.c:2670) [ 165.113273][ T991] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 165.113559][ T991] ? __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) [ 165.113914][ T991] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 165.114222][ T991] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.114515][ T991] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.114804][ T991] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.115102][ T991] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 165.115386][ T991] ? __lock_release (kernel/locking/lockdep.c:5539) [ 165.115692][ T991] __sys_sendmsg (net/socket.c:2700) [ 165.116004][ T991] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 165.116365][ T991] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 165.116662][ T991] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.116994][ T991] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 165.117286][ T991] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 165.117636][ T991] RIP: 0033:0x7f899cf9b1e7 [ 165.117932][ T991] 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) [ 165.118942][ T991] RSP: 002b:00007ffdc71fc3e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 165.119380][ T991] RAX: ffffffffffffffda RBX: 00007ffdc71fcb10 RCX: 00007f899cf9b1e7 [ 165.119808][ T991] RDX: 0000000000000000 RSI: 00007ffdc71fc450 RDI: 0000000000000005 [ 165.120239][ T991] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 165.120670][ T991] R10: 00007f899ce98ee8 R11: 0000000000000246 R12: 0000000000000004 [ 165.121105][ T991] R13: 00000000686e4509 R14: 0000000000499600 R15: 0000000000000000 | [ 165.287059][ T993] ------------[ cut here ]------------ | [ 165.287369][ T993] WARNING: CPU: 1 PID: 993 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) | [ 165.287982][ T993] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf vrf veth | [ 165.289327][ T993] Tainted: [W]=WARN [ 165.289568][ T993] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 165.289995][ T993] 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) [ 165.290321][ T993] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 165.293051][ T993] RSP: 0018:ffffc90000dbef70 EFLAGS: 00010246 [ 165.293466][ T993] RAX: 0000000000000000 RBX: ffff88800be32000 RCX: 0000000000000001 [ 165.293940][ T993] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 165.294582][ T993] RBP: ffffc90000dbf058 R08: 0000000000000000 R09: 0000000000000000 [ 165.295077][ T993] R10: ffffc90000dbf088 R11: ffffffff96e00130 R12: 1ffff920001b7df2 [ 165.295552][ T993] R13: 0000000000002710 R14: ffffc90000dbf088 R15: ffff88800be32f08 [ 165.296049][ T993] FS: 00007f6de7452800(0000) GS:ffff888099737000(0000) knlGS:0000000000000000 [ 165.296606][ T993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 165.297022][ T993] CR2: 00000000004e5ac0 CR3: 0000000008c92004 CR4: 0000000000772ef0 [ 165.297504][ T993] PKRU: 55555554 [ 165.297742][ T993] Call Trace: [ 165.297990][ T993] [ 165.298152][ T993] ? __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) [ 165.298547][ T993] ? br_del_if (net/bridge/br_if.c:742) bridge [ 165.298907][ T993] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 165.299234][ T993] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 165.299557][ T993] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 165.299870][ T993] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 165.300194][ T993] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 165.300508][ T993] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 165.300823][ T993] ? ___sys_sendmsg (net/socket.c:2670) [ 165.301143][ T993] ? __sys_sendmsg (net/socket.c:2700) [ 165.301456][ T993] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 165.301768][ T993] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 165.302179][ T993] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.302507][ T993] netif_set_mtu (net/core/dev.c:9652) [ 165.302823][ T993] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 165.303165][ T993] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 165.303405][ T993] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 165.303838][ T993] br_del_if (net/bridge/br_if.c:743) bridge [ 165.304201][ T993] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 165.304526][ T993] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 165.304848][ T993] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 165.305177][ T993] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 165.305576][ T993] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 165.305902][ T993] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 165.306224][ T993] ? __kernel_text_address (kernel/extable.c:79) [ 165.306548][ T993] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.306875][ T993] ? __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) [ 165.307201][ T993] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 165.307594][ T993] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.307915][ T993] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.308239][ T993] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 165.308560][ T993] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 165.308878][ T993] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.309213][ T993] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 165.309531][ T993] ? __create_object (mm/kmemleak.c:771) [ 165.309849][ T993] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 165.310182][ T993] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 165.310505][ T993] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 165.310900][ T993] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 165.311234][ T993] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 165.311560][ T993] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.311884][ T993] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.312218][ T993] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.312541][ T993] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 165.312860][ T993] ? __lock_release (kernel/locking/lockdep.c:5539) [ 165.313188][ T993] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.313508][ T993] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 165.313827][ T993] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.314161][ T993] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.314492][ T993] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 165.314812][ T993] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.315142][ T993] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 165.315476][ T993] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 165.315805][ T993] ? 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) [ 165.316116][ T993] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 165.316422][ T993] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 165.316730][ T993] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.317049][ T993] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 165.317354][ T993] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 165.317657][ T993] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 165.317981][ T993] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 165.318285][ T993] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 165.318585][ T993] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 165.318995][ T993] ___sys_sendmsg (net/socket.c:2670) [ 165.319295][ T993] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 165.319602][ T993] ? __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) [ 165.319985][ T993] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 165.320290][ T993] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.320599][ T993] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.320975][ T993] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.321284][ T993] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 165.321584][ T993] ? __lock_release (kernel/locking/lockdep.c:5539) [ 165.321895][ T993] __sys_sendmsg (net/socket.c:2700) [ 165.322203][ T993] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 165.322575][ T993] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 165.322894][ T993] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.323212][ T993] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 165.323519][ T993] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 165.323891][ T993] RIP: 0033:0x7f6de761f1e7 [ 165.324211][ T993] 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) [ 165.325298][ T993] RSP: 002b:00007fff80690e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 165.325789][ T993] RAX: ffffffffffffffda RBX: 00007fff80691570 RCX: 00007f6de761f1e7 [ 165.326258][ T993] RDX: 0000000000000000 RSI: 00007fff80690eb0 RDI: 0000000000000005 [ 165.326708][ T993] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 165.327171][ T993] R10: 00007f6de751cee8 R11: 0000000000000246 R12: 0000000000000004 [ 165.327630][ T993] R13: 00000000686e450a R14: 0000000000499600 R15: 0000000000000000 | [ 165.480554][ T995] ------------[ cut here ]------------ | [ 165.480864][ T995] WARNING: CPU: 0 PID: 995 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) | [ 165.481472][ T995] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf vrf veth | [ 165.482731][ T995] Tainted: [W]=WARN [ 165.483909][ T995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 165.484301][ T995] 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) [ 165.484612][ T995] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 165.485715][ T995] RSP: 0018:ffffc90000d6ef70 EFLAGS: 00010246 [ 165.486117][ T995] RAX: 0000000000000000 RBX: ffff88800be32000 RCX: 0000000000000001 [ 165.486575][ T995] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 165.487034][ T995] RBP: ffffc90000d6f058 R08: 0000000000000000 R09: 0000000000000000 [ 165.487491][ T995] R10: ffffc90000d6f088 R11: ffffffff9af79160 R12: 1ffff920001addf2 [ 165.487943][ T995] R13: 0000000000002710 R14: ffffc90000d6f088 R15: ffff88800be32f08 [ 165.488432][ T995] FS: 00007efef3f3e800(0000) GS:ffff8880996b7000(0000) knlGS:0000000000000000 [ 165.488972][ T995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 165.489358][ T995] CR2: 00000000004e5ab8 CR3: 000000000592c003 CR4: 0000000000772ef0 [ 165.489813][ T995] PKRU: 55555554 [ 165.490060][ T995] Call Trace: [ 165.490291][ T995] [ 165.490444][ T995] ? __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) [ 165.490822][ T995] ? br_del_if (net/bridge/br_if.c:742) bridge [ 165.491184][ T995] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 165.491493][ T995] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 165.491799][ T995] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 165.492110][ T995] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 165.492416][ T995] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 165.492717][ T995] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 165.493031][ T995] ? ___sys_sendmsg (net/socket.c:2670) [ 165.493331][ T995] ? __sys_sendmsg (net/socket.c:2700) [ 165.493633][ T995] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 165.493936][ T995] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 165.494334][ T995] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.494655][ T995] netif_set_mtu (net/core/dev.c:9652) [ 165.494972][ T995] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 165.495291][ T995] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 165.495521][ T995] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 165.495997][ T995] br_del_if (net/bridge/br_if.c:743) bridge [ 165.496334][ T995] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 165.496645][ T995] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 165.496964][ T995] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 165.497271][ T995] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 165.497655][ T995] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 165.497979][ T995] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 165.498286][ T995] ? __kernel_text_address (kernel/extable.c:79) [ 165.498591][ T995] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.498904][ T995] ? __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) [ 165.499218][ T995] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 165.499600][ T995] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.499904][ T995] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.500215][ T995] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 165.500520][ T995] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 165.500825][ T995] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.501145][ T995] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 165.501449][ T995] ? __create_object (mm/kmemleak.c:771) [ 165.501755][ T995] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 165.502081][ T995] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 165.502387][ T995] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 165.502763][ T995] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 165.503084][ T995] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 165.503393][ T995] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.503701][ T995] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.504019][ T995] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.504327][ T995] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 165.504626][ T995] ? __lock_release (kernel/locking/lockdep.c:5539) [ 165.504928][ T995] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.505241][ T995] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 165.505546][ T995] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.505866][ T995] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.506200][ T995] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 165.506508][ T995] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.506812][ T995] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 165.507136][ T995] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 165.507438][ T995] ? 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) [ 165.507741][ T995] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 165.508056][ T995] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 165.508367][ T995] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.508677][ T995] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 165.508989][ T995] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 165.509294][ T995] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 165.509605][ T995] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 165.509911][ T995] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 165.510239][ T995] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 165.510637][ T995] ___sys_sendmsg (net/socket.c:2670) [ 165.510939][ T995] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 165.511252][ T995] ? __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) [ 165.511632][ T995] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 165.511937][ T995] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.512252][ T995] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.512563][ T995] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.512871][ T995] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 165.513180][ T995] ? __lock_release (kernel/locking/lockdep.c:5539) [ 165.513491][ T995] __sys_sendmsg (net/socket.c:2700) [ 165.513795][ T995] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 165.514189][ T995] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 165.514509][ T995] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.514813][ T995] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 165.515133][ T995] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 165.515507][ T995] RIP: 0033:0x7efef410b1e7 [ 165.515858][ T995] 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) [ 165.516958][ T995] RSP: 002b:00007ffd9d5b1448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 165.517430][ T995] RAX: ffffffffffffffda RBX: 00007ffd9d5b1b70 RCX: 00007efef410b1e7 [ 165.517887][ T995] RDX: 0000000000000000 RSI: 00007ffd9d5b14b0 RDI: 0000000000000005 [ 165.518360][ T995] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 165.518816][ T995] R10: 00007efef4008ee8 R11: 0000000000000246 R12: 0000000000000004 [ 165.519284][ T995] R13: 00000000686e450a R14: 0000000000499600 R15: 0000000000000000 | [ 165.676380][ T997] ------------[ cut here ]------------ | [ 165.676693][ T997] WARNING: CPU: 3 PID: 997 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) | [ 165.677365][ T997] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf vrf veth | [ 165.678632][ T997] Tainted: [W]=WARN [ 165.678859][ T997] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 165.679244][ T997] 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) [ 165.679555][ T997] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 165.680643][ T997] RSP: 0018:ffffc90000dcef70 EFLAGS: 00010246 [ 165.681032][ T997] RAX: 0000000000000000 RBX: ffff88800be32000 RCX: 0000000000000001 [ 165.681486][ T997] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 165.681937][ T997] RBP: ffffc90000dcf058 R08: 0000000000000000 R09: 0000000000000000 [ 165.682397][ T997] R10: ffffc90000dcf088 R11: ffffffff9af79160 R12: 1ffff920001b9df2 [ 165.682855][ T997] R13: 00000000000005dc R14: ffffc90000dcf088 R15: ffff88800be32f08 [ 165.683314][ T997] FS: 00007f3708911800(0000) GS:ffff888099837000(0000) knlGS:0000000000000000 [ 165.683844][ T997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 165.684230][ T997] CR2: 00000000004e5aa8 CR3: 0000000009531003 CR4: 0000000000772ef0 [ 165.684707][ T997] PKRU: 55555554 [ 165.684935][ T997] Call Trace: [ 165.685190][ T997] [ 165.685345][ T997] ? __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) [ 165.685736][ T997] ? br_del_if (net/bridge/br_if.c:742) bridge [ 165.686098][ T997] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 165.686403][ T997] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 165.686704][ T997] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 165.687021][ T997] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 165.687323][ T997] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 165.687622][ T997] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 165.687923][ T997] ? ___sys_sendmsg (net/socket.c:2670) [ 165.688233][ T997] ? __sys_sendmsg (net/socket.c:2700) [ 165.688535][ T997] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 165.688837][ T997] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 165.689224][ T997] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.689534][ T997] netif_set_mtu (net/core/dev.c:9652) [ 165.689837][ T997] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 165.690163][ T997] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 165.690393][ T997] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 165.690809][ T997] br_del_if (net/bridge/br_if.c:743) bridge [ 165.691155][ T997] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 165.691457][ T997] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 165.691768][ T997] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 165.692086][ T997] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 165.692472][ T997] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 165.692772][ T997] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 165.693084][ T997] ? __kernel_text_address (kernel/extable.c:79) [ 165.693430][ T997] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.693735][ T997] ? __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) [ 165.694080][ T997] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 165.694514][ T997] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.694895][ T997] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.695256][ T997] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 165.695582][ T997] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 165.695931][ T997] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.696281][ T997] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 165.696697][ T997] ? __create_object (mm/kmemleak.c:771) [ 165.697098][ T997] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 165.697454][ T997] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 165.697822][ T997] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 165.698287][ T997] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 165.698621][ T997] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 165.699136][ T997] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.699477][ T997] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.699933][ T997] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.700311][ T997] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 165.700639][ T997] ? __lock_release (kernel/locking/lockdep.c:5539) [ 165.701050][ T997] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.701410][ T997] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 165.701754][ T997] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.702124][ T997] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.702473][ T997] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 165.702813][ T997] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.703149][ T997] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 165.703541][ T997] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 165.703879][ T997] ? 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) [ 165.704236][ T997] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 165.704545][ T997] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 165.704930][ T997] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.705320][ T997] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 165.705660][ T997] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 165.706028][ T997] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 165.706383][ T997] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 165.706760][ T997] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 165.707145][ T997] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 165.707590][ T997] ___sys_sendmsg (net/socket.c:2670) [ 165.708003][ T997] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 165.708349][ T997] ? __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) [ 165.708888][ T997] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 165.709229][ T997] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.709545][ T997] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.709872][ T997] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 165.710211][ T997] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 165.710579][ T997] ? __lock_release (kernel/locking/lockdep.c:5539) [ 165.710981][ T997] __sys_sendmsg (net/socket.c:2700) [ 165.711290][ T997] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 165.711765][ T997] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 165.712176][ T997] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.712603][ T997] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 165.712939][ T997] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 165.713464][ T997] RIP: 0033:0x7f3708ade1e7 [ 165.713864][ T997] 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) [ 165.715333][ T997] RSP: 002b:00007ffeed135848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 165.715857][ T997] RAX: ffffffffffffffda RBX: 00007ffeed135f70 RCX: 00007f3708ade1e7 [ 165.716443][ T997] RDX: 0000000000000000 RSI: 00007ffeed1358b0 RDI: 0000000000000005 [ 165.717065][ T997] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 165.717612][ T997] R10: 00007f37089dbee8 R11: 0000000000000246 R12: 0000000000000004 [ 165.718217][ T997] R13: 00000000686e450a R14: 0000000000499600 R15: 0000000000000000 | [ 166.110478][ T1001] ------------[ cut here ]------------ | [ 166.111068][ T1001] WARNING: CPU: 2 PID: 1001 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) | [ 166.112085][ T1001] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf vrf veth | [ 166.114251][ T1001] Tainted: [W]=WARN [ 166.114653][ T1001] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 166.115329][ T1001] 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) [ 166.115872][ T1001] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 166.117674][ T1001] RSP: 0018:ffffc90000bb7140 EFLAGS: 00010246 [ 166.118361][ T1001] RAX: 0000000000000000 RBX: ffff88800bdd9000 RCX: 0000000000000001 [ 166.119144][ T1001] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 166.119908][ T1001] RBP: ffffc90000bb7230 R08: ffff88800f44a000 R09: 0000000000000000 [ 166.120709][ T1001] R10: ffffc90000bb75c8 R11: ffffffff9b850668 R12: 1ffff92000176e2c [ 166.121492][ T1001] R13: 00000000000005dc R14: ffffc90000bb7880 R15: ffff88800babc060 [ 166.122275][ T1001] FS: 00007f9b5cda7800(0000) GS:ffff8880997b7000(0000) knlGS:0000000000000000 [ 166.123170][ T1001] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 166.123811][ T1001] CR2: 00000000004e5ac8 CR3: 000000000ccfb004 CR4: 0000000000772ef0 [ 166.124594][ T1001] PKRU: 55555554 [ 166.125004][ T1001] Call Trace: [ 166.125395][ T1001] [ 166.125666][ T1001] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 166.126226][ T1001] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 166.126737][ T1001] ? __lock_release (kernel/locking/lockdep.c:5539) [ 166.127284][ T1001] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 166.127811][ T1001] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 166.128351][ T1001] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 166.128870][ T1001] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 166.129414][ T1001] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 166.130086][ T1001] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 166.130591][ T1001] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 166.131137][ T1001] ? __kernel_text_address (kernel/extable.c:79) [ 166.131653][ T1001] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 166.132201][ T1001] ? __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) [ 166.132714][ T1001] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 166.133368][ T1001] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 166.133883][ T1001] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 166.134423][ T1001] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 166.134943][ T1001] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 166.135478][ T1001] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 166.136040][ T1001] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 166.136344][ T1001] ? __create_object (mm/kmemleak.c:771) [ 166.136656][ T1001] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 166.136967][ T1001] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 166.137273][ T1001] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 166.137635][ T1001] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 166.137943][ T1001] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 166.138256][ T1001] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 166.138551][ T1001] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 166.138886][ T1001] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 166.139198][ T1001] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 166.139486][ T1001] ? __lock_release (kernel/locking/lockdep.c:5539) [ 166.139798][ T1001] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 166.140106][ T1001] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 166.140412][ T1001] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 166.140707][ T1001] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 166.141016][ T1001] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 166.141307][ T1001] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 166.141598][ T1001] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 166.141901][ T1001] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 166.142204][ T1001] ? 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) [ 166.142509][ T1001] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 166.142804][ T1001] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 166.143109][ T1001] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 166.143403][ T1001] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 166.143704][ T1001] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 166.144007][ T1001] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 166.144309][ T1001] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 166.144618][ T1001] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 166.144933][ T1001] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 166.145320][ T1001] ___sys_sendmsg (net/socket.c:2670) [ 166.145635][ T1001] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 166.145945][ T1001] ? __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) [ 166.146324][ T1001] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 166.146620][ T1001] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 166.146944][ T1001] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 166.147275][ T1001] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 166.147577][ T1001] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 166.147888][ T1001] ? __lock_release (kernel/locking/lockdep.c:5539) [ 166.148206][ T1001] __sys_sendmsg (net/socket.c:2700) [ 166.148513][ T1001] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 166.148890][ T1001] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 166.149218][ T1001] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 166.149517][ T1001] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 166.149825][ T1001] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 166.150202][ T1001] RIP: 0033:0x7f9b5cf741e7 [ 166.150526][ T1001] 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) [ 166.151568][ T1001] RSP: 002b:00007ffc63429ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 166.152014][ T1001] RAX: ffffffffffffffda RBX: 00007ffc6342a410 RCX: 00007f9b5cf741e7 [ 166.152479][ T1001] RDX: 0000000000000000 RSI: 00007ffc63429d50 RDI: 0000000000000005 [ 166.152939][ T1001] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 166.153391][ T1001] R10: 00007f9b5ce71ee8 R11: 0000000000000246 R12: 0000000000000004 [ 166.153856][ T1001] R13: 00000000686e450a R14: 0000000000499600 R15: 0000000000000000 | [ 167.038764][ T1010] ------------[ cut here ]------------ | [ 167.039081][ T1010] WARNING: CPU: 3 PID: 1010 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) | [ 167.039619][ T1010] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf vrf veth | [ 167.040760][ T1010] Tainted: [W]=WARN [ 167.040977][ T1010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 167.041321][ T1010] 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) [ 167.041605][ T1010] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 167.042587][ T1010] RSP: 0018:ffffc90000e77140 EFLAGS: 00010246 [ 167.042937][ T1010] RAX: 0000000000000000 RBX: ffff88800996c000 RCX: 0000000000000001 [ 167.043718][ T1010] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 167.044148][ T1010] RBP: ffffc90000e77230 R08: ffff88800ce83800 R09: 0000000000000000 [ 167.044555][ T1010] R10: ffffc90000e775c8 R11: ffffffff9b850668 R12: 1ffff920001cee2c [ 167.044969][ T1010] R13: 00000000000005dc R14: ffffc90000e77880 R15: ffff88800bd183e0 [ 167.045381][ T1010] FS: 00007f6da719b800(0000) GS:ffff888099837000(0000) knlGS:0000000000000000 [ 167.045889][ T1010] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 167.046240][ T1010] CR2: 00000000004e5ab0 CR3: 0000000009902006 CR4: 0000000000772ef0 [ 167.046650][ T1010] PKRU: 55555554 [ 167.046854][ T1010] Call Trace: [ 167.047071][ T1010] [ 167.047212][ T1010] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 167.047489][ T1010] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 167.047761][ T1010] ? __lock_release (kernel/locking/lockdep.c:5539) [ 167.048044][ T1010] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 167.048319][ T1010] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 167.048589][ T1010] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 167.048864][ T1010] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 167.049155][ T1010] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 167.049504][ T1010] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 167.049776][ T1010] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 167.050055][ T1010] ? __kernel_text_address (kernel/extable.c:79) [ 167.050332][ T1010] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 167.050608][ T1010] ? __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) [ 167.050887][ T1010] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 167.051234][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 167.051510][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 167.051779][ T1010] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 167.052061][ T1010] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 167.052333][ T1010] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 167.052608][ T1010] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 167.052880][ T1010] ? __create_object (mm/kmemleak.c:771) [ 167.053183][ T1010] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 167.053459][ T1010] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 167.053733][ T1010] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 167.054080][ T1010] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 167.054360][ T1010] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 167.054636][ T1010] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 167.054908][ T1010] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 167.055200][ T1010] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 167.055480][ T1010] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 167.055769][ T1010] ? __lock_release (kernel/locking/lockdep.c:5539) [ 167.056055][ T1010] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 167.056328][ T1010] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 167.056604][ T1010] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 167.056880][ T1010] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 167.057168][ T1010] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 167.057448][ T1010] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 167.057723][ T1010] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 167.058017][ T1010] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 167.058291][ T1010] ? 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) [ 167.058565][ T1010] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 167.058841][ T1010] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 167.059123][ T1010] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 167.059410][ T1010] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 167.059687][ T1010] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 167.059971][ T1010] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 167.060253][ T1010] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 167.060533][ T1010] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 167.060817][ T1010] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 167.061177][ T1010] ___sys_sendmsg (net/socket.c:2670) [ 167.061453][ T1010] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 167.061725][ T1010] ? __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) [ 167.062087][ T1010] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 167.062363][ T1010] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 167.062640][ T1010] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 167.062916][ T1010] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 167.063198][ T1010] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 167.063474][ T1010] ? __lock_release (kernel/locking/lockdep.c:5539) [ 167.063758][ T1010] __sys_sendmsg (net/socket.c:2700) [ 167.064036][ T1010] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 167.064377][ T1010] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 167.064664][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 167.064941][ T1010] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 167.065228][ T1010] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 167.065574][ T1010] RIP: 0033:0x7f6da73681e7 [ 167.065877][ T1010] 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) [ 167.066859][ T1010] RSP: 002b:00007ffdf8a1ba98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 167.067279][ T1010] RAX: ffffffffffffffda RBX: 00007ffdf8a1c1c0 RCX: 00007f6da73681e7 [ 167.067699][ T1010] RDX: 0000000000000000 RSI: 00007ffdf8a1bb00 RDI: 0000000000000005 [ 167.068114][ T1010] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 167.068525][ T1010] R10: 00007f6da7265ee8 R11: 0000000000000246 R12: 0000000000000004 [ 167.068931][ T1010] R13: 00000000686e450b R14: 0000000000499600 R15: 0000000000000000 | [ 168.157970][ T1021] ------------[ cut here ]------------ | [ 168.158307][ T1021] WARNING: CPU: 0 PID: 1021 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) | [ 168.158874][ T1021] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf vrf veth | [ 168.160109][ T1021] Tainted: [W]=WARN [ 168.160332][ T1021] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 168.160695][ T1021] 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) [ 168.161004][ T1021] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 168.162045][ T1021] RSP: 0018:ffffc90000d6f140 EFLAGS: 00010246 [ 168.162412][ T1021] RAX: 0000000000000000 RBX: ffff888009b79000 RCX: 0000000000000001 [ 168.162844][ T1021] RDX: 0000000000000000 RSI: ffffffff9aa9b941 RDI: ffffffff9a2555e0 [ 168.163284][ T1021] RBP: ffffc90000d6f230 R08: ffff88800f4fb800 R09: 0000000000000000 [ 168.163719][ T1021] R10: ffffc90000d6f5c8 R11: ffffffff9b850668 R12: 1ffff920001ade2c [ 168.164191][ T1021] R13: 00000000000005dc R14: ffffc90000d6f880 R15: ffff88800bd19fe0 [ 168.164634][ T1021] FS: 00007f25b9df3800(0000) GS:ffff8880996b7000(0000) knlGS:0000000000000000 [ 168.165162][ T1021] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 168.165526][ T1021] CR2: 00000000004e5aa0 CR3: 00000000094ad001 CR4: 0000000000772ef0 [ 168.166004][ T1021] PKRU: 55555554 [ 168.166237][ T1021] Call Trace: [ 168.166469][ T1021] [ 168.166618][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 168.166926][ T1021] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 168.167260][ T1021] ? __lock_release (kernel/locking/lockdep.c:5539) [ 168.167576][ T1021] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 168.167895][ T1021] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 168.168232][ T1021] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 168.168556][ T1021] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 168.168865][ T1021] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 168.169259][ T1021] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 168.169558][ T1021] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 168.169858][ T1021] ? __kernel_text_address (kernel/extable.c:79) [ 168.170168][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 168.170479][ T1021] ? __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) [ 168.170789][ T1021] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 168.171166][ T1021] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 168.171476][ T1021] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 168.171779][ T1021] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 168.172088][ T1021] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 168.172389][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 168.172693][ T1021] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 168.172989][ T1021] ? __create_object (mm/kmemleak.c:771) [ 168.173291][ T1021] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 168.173594][ T1021] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 168.173896][ T1021] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 168.174288][ T1021] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 168.174591][ T1021] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 168.174897][ T1021] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 168.175218][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 168.175535][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 168.175847][ T1021] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 168.176158][ T1021] ? __lock_release (kernel/locking/lockdep.c:5539) [ 168.176454][ T1021] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 168.176745][ T1021] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 168.177047][ T1021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 168.177342][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 168.177638][ T1021] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 168.177935][ T1021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 168.178236][ T1021] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 168.178535][ T1021] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 168.178837][ T1021] ? 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) [ 168.179142][ T1021] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 168.179435][ T1021] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 168.179755][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 168.180062][ T1021] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 168.180369][ T1021] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 168.180672][ T1021] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 168.180984][ T1021] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 168.181283][ T1021] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 168.181587][ T1021] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 168.181968][ T1021] ___sys_sendmsg (net/socket.c:2670) [ 168.182264][ T1021] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 168.182568][ T1021] ? __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) [ 168.182940][ T1021] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 168.183247][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 168.183556][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 168.183852][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 168.184164][ T1021] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 168.184461][ T1021] ? __lock_release (kernel/locking/lockdep.c:5539) [ 168.184759][ T1021] __sys_sendmsg (net/socket.c:2700) [ 168.185052][ T1021] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 168.185412][ T1021] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 168.185735][ T1021] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 168.186039][ T1021] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 168.186342][ T1021] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 168.186716][ T1021] RIP: 0033:0x7f25b9fc01e7 [ 168.187043][ T1021] 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) [ 168.188120][ T1021] RSP: 002b:00007ffe92fbfb28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 168.188560][ T1021] RAX: ffffffffffffffda RBX: 00007ffe92fc0250 RCX: 00007f25b9fc01e7 [ 168.189018][ T1021] RDX: 0000000000000000 RSI: 00007ffe92fbfb90 RDI: 0000000000000005 [ 168.189474][ T1021] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 168.189917][ T1021] R10: 00007f25b9ebdee8 R11: 0000000000000246 R12: 0000000000000004 Finger prints: netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_device_event netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if