====================================== | [ 204.376532][ T1468] #0: ffffffff865bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 204.376876][ T1468] #1: ffff888008e3ac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 204.377292][ T1468] | [ 204.377292][ T1468] stack backtrace: [ 204.377813][ T1468] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 204.378236][ T1468] Call Trace: [ 204.378391][ T1468] [ 204.378498][ T1468] dump_stack_lvl (lib/dump_stack.c:122) [ 204.378702][ T1468] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 204.378891][ T1468] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 204.379163][ T1468] br_get_link_af_size_filtered (net/bridge/br_private.h:930 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) bridge [ 204.379427][ T1468] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 204.379615][ T1468] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 204.379804][ T1468] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 204.380030][ T1468] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 204.380246][ T1468] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 204.380517][ T1468] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 204.380736][ T1468] br_add_if (net/bridge/br_if.c:687) bridge [ 204.380971][ T1468] do_setlink (net/core/rtnetlink.c:2907) [ 204.381170][ T1468] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 204.381360][ T1468] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 204.381548][ T1468] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 204.381737][ T1468] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 204.381927][ T1468] ? __kernel_text_address (kernel/extable.c:79) [ 204.382112][ T1468] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 204.382310][ T1468] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 204.382550][ T1468] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 204.382753][ T1468] ? stack_trace_save (kernel/stacktrace.c:123) [ 204.382942][ T1468] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 204.383130][ T1468] ? __pfx_validate_nla (lib/nlattr.c:396) [ 204.383324][ T1468] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 204.383473][ T1468] ? kasan_save_stack (mm/kasan/common.c:49) [ 204.383665][ T1468] ? __nla_validate_parse (lib/nlattr.c:638) [ 204.383860][ T1468] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 204.384060][ T1468] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) [ 204.384252][ T1468] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 204.384447][ T1468] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 204.384680][ T1468] ? __create_object (mm/kmemleak.c:751) [ 204.384872][ T1468] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 204.385066][ T1468] rtnl_newlink (net/core/rtnetlink.c:3744) [ 204.385211][ T1468] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 204.385401][ T1468] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 204.385592][ T1468] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) [ 204.385779][ T1468] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 204.385933][ T1468] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 204.386131][ T1468] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 204.386319][ T1468] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 204.386506][ T1468] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 204.386717][ T1468] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 204.386903][ T1468] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 204.387099][ T1468] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 204.387290][ T1468] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 204.387482][ T1468] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 204.387680][ T1468] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 204.387873][ T1468] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 204.388057][ T1468] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 204.388246][ T1468] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 204.388446][ T1468] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 204.388635][ T1468] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 204.388826][ T1468] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 204.389059][ T1468] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 204.389258][ T1468] ___sys_sendmsg (net/socket.c:2653) [ 204.389448][ T1468] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 204.389635][ T1468] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 204.389826][ T1468] ? __lock_release (kernel/locking/lockdep.c:5435) [ 204.390011][ T1468] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 204.390248][ T1468] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 204.390439][ T1468] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 204.390641][ T1468] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 204.390876][ T1468] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 204.391070][ T1468] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 204.391257][ T1468] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 204.391444][ T1468] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65) [ 204.391655][ T1468] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 204.391851][ T1468] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 204.392085][ T1468] RIP: 0033:0x7f65e87067b7 [ 204.392280][ T1468] Code: 0a 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: 0a 00 or (%rax),%al 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 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) [ 204.392915][ T1468] RSP: 002b:00007fffbbf49558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 204.393211][ T1468] RAX: ffffffffffffffda RBX: 00007fffbbf49c80 RCX: 00007f65e87067b7 [ 204.393489][ T1468] RDX: 0000000000000000 RSI: 00007fffbbf495c0 RDI: 0000000000000005 [ 204.393767][ T1468] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 204.394046][ T1468] R10: 00000000186d5910 R11: 0000000000000246 R12: 0000000000000004 [ 204.394324][ T1468] R13: 0000000066bea252 R14: 0000000000496600 R15: 0000000000000000 | [ 204.396807][ T1468] #0: ffffffff865bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 204.397150][ T1468] #1: ffff888008e3ac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 204.397536][ T1468] | [ 204.397536][ T1468] stack backtrace: [ 204.398062][ T1468] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 204.398476][ T1468] Call Trace: [ 204.398621][ T1468] [ 204.398722][ T1468] dump_stack_lvl (lib/dump_stack.c:122) [ 204.398917][ T1468] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 204.399109][ T1468] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 204.399374][ T1468] br_get_link_af_size_filtered (net/bridge/br_private.h:453 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) bridge [ 204.399640][ T1468] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 204.399827][ T1468] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 204.400018][ T1468] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 204.400241][ T1468] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 204.400459][ T1468] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 204.400744][ T1468] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 204.400961][ T1468] br_add_if (net/bridge/br_if.c:687) bridge [ 204.401188][ T1468] do_setlink (net/core/rtnetlink.c:2907) [ 204.401386][ T1468] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 204.401577][ T1468] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 204.401765][ T1468] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 204.401950][ T1468] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 204.402137][ T1468] ? __kernel_text_address (kernel/extable.c:79) [ 204.402332][ T1468] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 204.402522][ T1468] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 204.402755][ T1468] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 204.402955][ T1468] ? stack_trace_save (kernel/stacktrace.c:123) [ 204.403147][ T1468] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 204.403336][ T1468] ? __pfx_validate_nla (lib/nlattr.c:396) [ 204.403531][ T1468] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 204.403677][ T1468] ? kasan_save_stack (mm/kasan/common.c:49) [ 204.403873][ T1468] ? __nla_validate_parse (lib/nlattr.c:638) [ 204.404072][ T1468] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 204.404269][ T1468] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) [ 204.404458][ T1468] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 204.404657][ T1468] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 204.404895][ T1468] ? __create_object (mm/kmemleak.c:751) [ 204.405086][ T1468] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 204.405283][ T1468] rtnl_newlink (net/core/rtnetlink.c:3744) [ 204.405431][ T1468] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 204.405626][ T1468] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 204.405813][ T1468] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) [ 204.406003][ T1468] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 204.406160][ T1468] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 204.406351][ T1468] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 204.406550][ T1468] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 204.406740][ T1468] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 204.406952][ T1468] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 204.407156][ T1468] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 204.407350][ T1468] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 204.407544][ T1468] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 204.407734][ T1468] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 204.407927][ T1468] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 204.408123][ T1468] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 204.408310][ T1468] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 204.408704][ T1468] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 204.408906][ T1468] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 204.409103][ T1468] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 204.409292][ T1468] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 204.409525][ T1468] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 204.409725][ T1468] ___sys_sendmsg (net/socket.c:2653) [ 204.409919][ T1468] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 204.410107][ T1468] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 204.410297][ T1468] ? __lock_release (kernel/locking/lockdep.c:5435) [ 204.410494][ T1468] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 204.410731][ T1468] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 204.410921][ T1468] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 204.411116][ T1468] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 204.411360][ T1468] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 204.411560][ T1468] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 204.411753][ T1468] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 204.411944][ T1468] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65) [ 204.412156][ T1468] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 204.412347][ T1468] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 204.412581][ T1468] RIP: 0033:0x7f65e87067b7 [ 204.412783][ T1468] Code: 0a 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: 0a 00 or (%rax),%al 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 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) [ 204.413423][ T1468] RSP: 002b:00007fffbbf49558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 204.413708][ T1468] RAX: ffffffffffffffda RBX: 00007fffbbf49c80 RCX: 00007f65e87067b7 [ 204.413995][ T1468] RDX: 0000000000000000 RSI: 00007fffbbf495c0 RDI: 0000000000000005 [ 204.414271][ T1468] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 204.414551][ T1468] R10: 00000000186d5910 R11: 0000000000000246 R12: 0000000000000004 [ 204.414840][ T1468] R13: 0000000066bea252 R14: 0000000000496600 R15: 0000000000000000 | [ 204.417314][ T1468] #0: ffffffff865bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 204.417653][ T1468] #1: ffff888008e3ac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 204.418025][ T1468] | [ 204.418025][ T1468] stack backtrace: [ 204.418555][ T1468] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 204.418968][ T1468] Call Trace: [ 204.419111][ T1468] [ 204.419218][ T1468] dump_stack_lvl (lib/dump_stack.c:122) [ 204.419412][ T1468] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 204.419604][ T1468] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 204.419877][ T1468] br_get_link_af_size_filtered (net/bridge/br_private.h:1611 net/bridge/br_private.h:1608 net/bridge/br_netlink.c:107) bridge [ 204.420139][ T1468] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 204.420325][ T1468] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 204.420521][ T1468] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 204.420747][ T1468] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 204.420973][ T1468] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 204.421241][ T1468] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 204.421458][ T1468] br_add_if (net/bridge/br_if.c:687) bridge [ 204.421690][ T1468] do_setlink (net/core/rtnetlink.c:2907) [ 204.421883][ T1468] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 204.422074][ T1468] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 204.422262][ T1468] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 204.422461][ T1468] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 204.422650][ T1468] ? __kernel_text_address (kernel/extable.c:79) [ 204.422842][ T1468] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 204.423028][ T1468] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 204.423264][ T1468] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 204.423464][ T1468] ? stack_trace_save (kernel/stacktrace.c:123) [ 204.423654][ T1468] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 204.423842][ T1468] ? __pfx_validate_nla (lib/nlattr.c:396) [ 204.424039][ T1468] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 204.424187][ T1468] ? kasan_save_stack (mm/kasan/common.c:49) [ 204.424382][ T1468] ? __nla_validate_parse (lib/nlattr.c:638) [ 204.424576][ T1468] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 204.424771][ T1468] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) [ 204.424964][ T1468] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 204.425159][ T1468] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 204.425399][ T1468] ? __create_object (mm/kmemleak.c:751) [ 204.425597][ T1468] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 204.425792][ T1468] rtnl_newlink (net/core/rtnetlink.c:3744) [ 204.425941][ T1468] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 204.426136][ T1468] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 204.426330][ T1468] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) [ 204.426521][ T1468] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 204.426667][ T1468] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 204.426861][ T1468] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 204.427050][ T1468] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 204.427247][ T1468] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 204.427455][ T1468] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 204.427647][ T1468] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 204.427843][ T1468] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 204.428036][ T1468] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 204.428232][ T1468] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 204.428426][ T1468] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 204.428624][ T1468] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 204.428815][ T1468] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 204.429012][ T1468] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 204.429209][ T1468] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 204.429403][ T1468] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 204.429590][ T1468] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 204.429835][ T1468] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 204.430035][ T1468] ___sys_sendmsg (net/socket.c:2653) [ 204.430227][ T1468] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 204.430424][ T1468] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 204.430615][ T1468] ? __lock_release (kernel/locking/lockdep.c:5435) [ 204.430806][ T1468] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 204.431041][ T1468] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 204.431230][ T1468] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 204.431426][ T1468] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 204.431668][ T1468] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 204.431864][ T1468] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 204.432060][ T1468] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 204.432246][ T1468] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65) [ 204.432464][ T1468] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 204.432656][ T1468] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 204.432893][ T1468] RIP: 0033:0x7f65e87067b7 [ 204.433089][ T1468] Code: 0a 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: 0a 00 or (%rax),%al 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 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) [ 204.433744][ T1468] RSP: 002b:00007fffbbf49558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 204.434029][ T1468] RAX: ffffffffffffffda RBX: 00007fffbbf49c80 RCX: 00007f65e87067b7 [ 204.434307][ T1468] RDX: 0000000000000000 RSI: 00007fffbbf495c0 RDI: 0000000000000005 [ 204.434587][ T1468] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 204.434875][ T1468] R10: 00000000186d5910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_make_forwarding:br_port_state_selection