====================================== | [ 34.102260][ T319] #0: ffffffff8dfbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 34.102854][ T319] #1: ffff8880052fac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 34.103503][ T319] | [ 34.103503][ T319] stack backtrace: [ 34.104353][ T319] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 34.105042][ T319] Call Trace: [ 34.105271][ T319] [ 34.105433][ T319] dump_stack_lvl (lib/dump_stack.c:122) [ 34.105715][ T319] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 34.105914][ T319] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 34.106182][ T319] 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 [ 34.106438][ T319] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 34.106627][ T319] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 34.106831][ T319] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 34.107053][ T319] ? mn_hlist_invalidate_range_start (mm/mmu_notifier.c:485 (discriminator 4)) [ 34.107297][ T319] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 34.107518][ T319] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 34.107792][ T319] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 34.108005][ T319] br_add_if (net/bridge/br_if.c:687) bridge [ 34.108229][ T319] do_setlink (net/core/rtnetlink.c:2907) [ 34.108419][ T319] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 34.108616][ T319] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 34.108847][ T319] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 34.109038][ T319] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 34.109227][ T319] ? __kernel_text_address (kernel/extable.c:79) [ 34.109412][ T319] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 34.109600][ T319] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 34.109846][ T319] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 34.110054][ T319] ? stack_trace_save (kernel/stacktrace.c:123) [ 34.110245][ T319] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 34.110432][ T319] ? __pfx_validate_nla (lib/nlattr.c:396) [ 34.110618][ T319] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 34.110783][ T319] ? kasan_save_stack (mm/kasan/common.c:49) [ 34.110974][ T319] ? __nla_validate_parse (lib/nlattr.c:638) [ 34.111164][ T319] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 34.111358][ T319] ? 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) [ 34.111549][ T319] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 34.111761][ T319] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 34.112001][ T319] ? __create_object (mm/kmemleak.c:751) [ 34.112194][ T319] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 34.112392][ T319] rtnl_newlink (net/core/rtnetlink.c:3744) [ 34.112537][ T319] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 34.112738][ T319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 34.112921][ T319] ? 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) [ 34.113114][ T319] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 34.113258][ T319] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 34.113454][ T319] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 34.113643][ T319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 34.113842][ T319] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 34.114052][ T319] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 34.114241][ T319] ? 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) [ 34.114431][ T319] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 34.114625][ T319] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 34.114826][ T319] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 34.115031][ T319] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 34.115223][ T319] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 34.115406][ T319] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 34.115601][ T319] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 34.115819][ T319] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 34.116011][ T319] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 34.116204][ T319] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 34.116433][ T319] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 34.116632][ T319] ___sys_sendmsg (net/socket.c:2653) [ 34.116838][ T319] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 34.117029][ T319] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 34.117215][ T319] ? __lock_release (kernel/locking/lockdep.c:5435) [ 34.117398][ T319] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 34.117644][ T319] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 34.117845][ T319] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 34.118036][ T319] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 34.118270][ T319] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 34.118468][ T319] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 34.118663][ T319] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 34.118853][ T319] ? __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) [ 34.119066][ T319] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 34.119260][ T319] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 34.119496][ T319] RIP: 0033:0x7fa6c132e7b7 [ 34.119702][ T319] 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) [ 34.120338][ T319] RSP: 002b:00007ffd2381e058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 34.120616][ T319] RAX: ffffffffffffffda RBX: 00007ffd2381e780 RCX: 00007fa6c132e7b7 [ 34.120909][ T319] RDX: 0000000000000000 RSI: 00007ffd2381e0c0 RDI: 0000000000000005 [ 34.121191][ T319] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 34.121472][ T319] R10: 000000001b84b910 R11: 0000000000000246 R12: 0000000000000004 [ 34.121760][ T319] R13: 0000000066bea654 R14: 0000000000496600 R15: 0000000000000000 | [ 34.124207][ T319] #0: ffffffff8dfbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 34.124556][ T319] #1: ffff8880052fac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 34.124944][ T319] | [ 34.124944][ T319] stack backtrace: [ 34.125465][ T319] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 34.125888][ T319] Call Trace: [ 34.126030][ T319] [ 34.126132][ T319] dump_stack_lvl (lib/dump_stack.c:122) [ 34.126326][ T319] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 34.126511][ T319] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 34.126786][ T319] 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 [ 34.127050][ T319] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 34.127233][ T319] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 34.127423][ T319] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 34.127648][ T319] ? mn_hlist_invalidate_range_start (mm/mmu_notifier.c:485 (discriminator 4)) [ 34.127900][ T319] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 34.128119][ T319] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 34.128382][ T319] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 34.128593][ T319] br_add_if (net/bridge/br_if.c:687) bridge [ 34.128836][ T319] do_setlink (net/core/rtnetlink.c:2907) [ 34.129025][ T319] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 34.129215][ T319] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 34.129399][ T319] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 34.129583][ T319] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 34.129801][ T319] ? __kernel_text_address (kernel/extable.c:79) [ 34.129986][ T319] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 34.130178][ T319] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 34.130410][ T319] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 34.130611][ T319] ? stack_trace_save (kernel/stacktrace.c:123) [ 34.130820][ T319] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 34.131009][ T319] ? __pfx_validate_nla (lib/nlattr.c:396) [ 34.131197][ T319] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 34.131344][ T319] ? kasan_save_stack (mm/kasan/common.c:49) [ 34.131534][ T319] ? __nla_validate_parse (lib/nlattr.c:638) [ 34.131749][ T319] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 34.131942][ T319] ? 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) [ 34.132135][ T319] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 34.132327][ T319] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 34.132567][ T319] ? __create_object (mm/kmemleak.c:751) [ 34.132773][ T319] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 34.132966][ T319] rtnl_newlink (net/core/rtnetlink.c:3744) [ 34.133112][ T319] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 34.133302][ T319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 34.133495][ T319] ? 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) [ 34.133691][ T319] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 34.133839][ T319] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 34.134032][ T319] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 34.134219][ T319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 34.134416][ T319] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 34.134621][ T319] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 34.134833][ T319] ? 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) [ 34.135030][ T319] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 34.135220][ T319] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 34.135405][ T319] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 34.135598][ T319] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 34.135815][ T319] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 34.136004][ T319] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 34.136196][ T319] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 34.136393][ T319] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 34.136588][ T319] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 34.136791][ T319] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 34.137022][ T319] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 34.137224][ T319] ___sys_sendmsg (net/socket.c:2653) [ 34.137415][ T319] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 34.137618][ T319] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 34.137811][ T319] ? __lock_release (kernel/locking/lockdep.c:5435) [ 34.137996][ T319] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 34.138239][ T319] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 34.138434][ T319] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 34.138626][ T319] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 34.138883][ T319] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 34.139080][ T319] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 34.139270][ T319] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 34.139459][ T319] ? __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) [ 34.139668][ T319] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 34.139862][ T319] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 34.140095][ T319] RIP: 0033:0x7fa6c132e7b7 [ 34.140291][ T319] 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) [ 34.141121][ T319] RSP: 002b:00007ffd2381e058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 34.141409][ T319] RAX: ffffffffffffffda RBX: 00007ffd2381e780 RCX: 00007fa6c132e7b7 [ 34.141694][ T319] RDX: 0000000000000000 RSI: 00007ffd2381e0c0 RDI: 0000000000000005 [ 34.142088][ T319] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 34.142358][ T319] R10: 000000001b84b910 R11: 0000000000000246 R12: 0000000000000004 [ 34.142636][ T319] R13: 0000000066bea654 R14: 0000000000496600 R15: 0000000000000000 | [ 34.145420][ T319] #0: ffffffff8dfbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 34.145875][ T319] #1: ffff8880052fac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 34.146258][ T319] | [ 34.146258][ T319] stack backtrace: [ 34.146941][ T319] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 34.147359][ T319] Call Trace: [ 34.147734][ T319] [ 34.147837][ T319] dump_stack_lvl (lib/dump_stack.c:122) [ 34.148036][ T319] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 34.148227][ T319] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 34.148491][ T319] 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 [ 34.148879][ T319] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 34.149062][ T319] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 34.149248][ T319] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 34.149462][ T319] ? mn_hlist_invalidate_range_start (mm/mmu_notifier.c:485 (discriminator 4)) [ 34.149807][ T319] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 34.150025][ T319] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 34.150285][ T319] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 34.150496][ T319] br_add_if (net/bridge/br_if.c:687) bridge [ 34.150857][ T319] do_setlink (net/core/rtnetlink.c:2907) [ 34.151045][ T319] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 34.151232][ T319] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 34.151415][ T319] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 34.151709][ T319] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 34.151901][ T319] ? __kernel_text_address (kernel/extable.c:79) [ 34.152081][ T319] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 34.152263][ T319] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 34.152605][ T319] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 34.152803][ T319] ? stack_trace_save (kernel/stacktrace.c:123) [ 34.152986][ T319] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 34.153167][ T319] ? __pfx_validate_nla (lib/nlattr.c:396) [ 34.153475][ T319] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 34.153621][ T319] ? kasan_save_stack (mm/kasan/common.c:49) [ 34.153809][ T319] ? __nla_validate_parse (lib/nlattr.c:638) [ 34.154001][ T319] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 34.154193][ T319] ? 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) [ 34.154381][ T319] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 34.154573][ T319] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 34.154833][ T319] ? __create_object (mm/kmemleak.c:751) [ 34.155027][ T319] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 34.155334][ T319] rtnl_newlink (net/core/rtnetlink.c:3744) [ 34.155475][ T319] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 34.155663][ T319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 34.155851][ T319] ? 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) [ 34.156147][ T319] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 34.156293][ T319] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 34.156479][ T319] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 34.156669][ T319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 34.156860][ T319] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 34.157173][ T319] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 34.157363][ T319] ? 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) [ 34.157565][ T319] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 34.157761][ T319] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 34.158070][ T319] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 34.158260][ T319] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 34.158454][ T319] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 34.158646][ T319] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 34.158979][ T319] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 34.159173][ T319] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 34.159363][ T319] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 34.159546][ T319] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 34.159894][ T319] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 34.160091][ T319] ___sys_sendmsg (net/socket.c:2653) [ 34.160286][ T319] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 34.160486][ T319] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 34.160788][ T319] ? __lock_release (kernel/locking/lockdep.c:5435) [ 34.160976][ T319] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 34.161219][ T319] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 34.161422][ T319] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 34.161738][ T319] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 34.161989][ T319] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 34.162191][ T319] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 34.162379][ T319] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 34.162810][ T319] ? __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) [ 34.163024][ T319] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 34.163225][ T319] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 34.163457][ T319] RIP: 0033:0x7fa6c132e7b7 [ 34.163771][ T319] 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) [ 34.164408][ T319] RSP: 002b:00007ffd2381e058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 34.164805][ T319] RAX: ffffffffffffffda RBX: 00007ffd2381e780 RCX: 00007fa6c132e7b7 [ 34.165095][ T319] RDX: 0000000000000000 RSI: 00007ffd2381e0c0 RDI: 0000000000000005 [ 34.165388][ T319] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 34.165790][ T319] R10: 000000001b84b910 R11: 0000000000000246 R12: 0000000000000004 [ 34.166070][ T319] R13: 0000000066bea654 R14: 0000000000496600 R15: 0000000000000000 | [ 39.143216][ T358] 1 lock held by bridge/358: | [ 39.143408][ T358] #0: ffffffff8dfbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 39.143791][ T358] | [ 39.143791][ T358] stack backtrace: [ 39.144259][ T358] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 39.144646][ T358] Call Trace: [ 39.144778][ T358] [ 39.144880][ T358] dump_stack_lvl (lib/dump_stack.c:122) [ 39.145063][ T358] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 39.145250][ T358] br_get_link_af_size_filtered (net/bridge/br_private.h:1605 net/bridge/br_private.h:1602 net/bridge/br_netlink.c:110) bridge [ 39.145530][ T358] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 39.145738][ T358] br_setlink (net/bridge/br_netlink.c:669 net/bridge/br_netlink.c:1136) bridge [ 39.145959][ T358] ? __pfx_br_setlink (net/bridge/br_netlink.c:1085) bridge [ 39.146176][ T358] ? lock_acquire.part.0 (kernel/locking/lockdep.c:466 kernel/locking/lockdep.c:5761) [ 39.146341][ T358] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) [ 39.146547][ T358] ? 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) [ 39.146727][ T358] ? __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:129) [ 39.146897][ T358] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:104) [ 39.147111][ T358] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) [ 39.147278][ T358] ? lock_acquire (kernel/locking/lockdep.c:5732) [ 39.147448][ T358] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 52)) [ 39.147664][ T358] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:618 kernel/locking/mutex.c:752) [ 39.147832][ T358] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 39.148001][ T358] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) [ 39.148168][ T358] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 39.148347][ T358] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 39.148532][ T358] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5724) [ 39.148728][ T358] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 39.148902][ T358] rtnl_bridge_setlink (net/core/rtnetlink.c:5225) [ 39.149088][ T358] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 39.149271][ T358] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 39.149442][ T358] ? 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) [ 39.149621][ T358] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 39.149751][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 39.149919][ T358] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 39.150086][ T358] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 39.150256][ T358] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 39.150469][ T358] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 39.150660][ T358] ? 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) [ 39.150828][ T358] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 39.150998][ T358] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 39.151175][ T358] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 39.151347][ T358] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 39.151571][ T358] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 39.151737][ T358] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 39.151919][ T358] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 39.152098][ T358] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 39.152277][ T358] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 39.152448][ T358] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 39.152701][ T358] ___sys_sendmsg (net/socket.c:2653) [ 39.152871][ T358] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 39.153038][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 39.153205][ T358] ? usage_skip (kernel/locking/lockdep.c:2294 kernel/locking/lockdep.c:2262) [ 39.153380][ T358] ? reacquire_held_locks (kernel/locking/lockdep.c:5284) [ 39.153559][ T358] ? do_user_addr_fault (./include/linux/rcupdate.h:326 ./include/linux/rcupdate.h:838 ./include/linux/mm.h:713 arch/x86/mm/fault.c:1340) [ 39.153749][ T358] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 39.153925][ T358] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 39.154097][ T358] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 39.154268][ T358] ? __pfx___up_read (kernel/locking/rwsem.c:1339) [ 39.154453][ T358] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 39.154654][ T358] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 39.154864][ T358] RIP: 0033:0x7ff1617277b7 [ 39.155050][ T358] 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) [ 39.155685][ T358] RSP: 002b:00007ffd544be928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 39.155945][ T358] RAX: ffffffffffffffda RBX: 000000000000ffff RCX: 00007ff1617277b7 [ 39.156195][ T358] RDX: 0000000000000000 RSI: 00007ffd544be990 RDI: 0000000000000005 [ 39.156450][ T358] RBP: 00007ffd544bea80 R08: 0000000000000034 R09: 0000000000000000 [ 39.156736][ T358] R10: 00007ff1615e0708 R11: 0000000000000246 R12: 000000000000000a Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_setlink:rtnl_bridge_setlink lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_make_forwarding:br_port_state_selection