====================================== | [ 42.535322][ T323] #0: ffffffffa8dbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 42.535731][ T323] #1: ffff88800620ac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 42.536215][ T323] | [ 42.536215][ T323] stack backtrace: [ 42.536812][ T323] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 42.537273][ T323] Call Trace: [ 42.537426][ T323] [ 42.537540][ T323] dump_stack_lvl (lib/dump_stack.c:122) [ 42.537764][ T323] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 42.537968][ T323] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 42.538287][ T323] 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 [ 42.538642][ T323] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 42.538838][ T323] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 42.539058][ T323] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 42.539320][ T323] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 42.539558][ T323] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 42.539842][ T323] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 42.540064][ T323] br_add_if (net/bridge/br_if.c:687) bridge [ 42.540322][ T323] do_setlink (net/core/rtnetlink.c:2907) [ 42.540541][ T323] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 42.540736][ T323] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 42.540933][ T323] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 42.541143][ T323] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 42.541355][ T323] ? __kernel_text_address (kernel/extable.c:79) [ 42.541554][ T323] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 42.541755][ T323] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 42.542010][ T323] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 42.542221][ T323] ? stack_trace_save (kernel/stacktrace.c:123) [ 42.542447][ T323] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 42.542660][ T323] ? __pfx_validate_nla (lib/nlattr.c:396) [ 42.542896][ T323] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 42.543068][ T323] ? kasan_save_stack (mm/kasan/common.c:49) [ 42.543293][ T323] ? __nla_validate_parse (lib/nlattr.c:638) [ 42.543497][ T323] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 42.543733][ T323] ? 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) [ 42.543946][ T323] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 42.544177][ T323] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 42.544438][ T323] ? __create_object (mm/kmemleak.c:751) [ 42.544695][ T323] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 42.544901][ T323] rtnl_newlink (net/core/rtnetlink.c:3744) [ 42.545061][ T323] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 42.545277][ T323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 42.545487][ T323] ? 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) [ 42.545699][ T323] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 42.545856][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 42.546083][ T323] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 42.546315][ T323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 42.546532][ T323] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 42.546790][ T323] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 42.546994][ T323] ? 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) [ 42.547230][ T323] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 42.547447][ T323] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 42.547672][ T323] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 42.547898][ T323] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 42.548164][ T323] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 42.548362][ T323] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 42.548578][ T323] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 42.548801][ T323] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 42.549020][ T323] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 42.549238][ T323] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 42.549498][ T323] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 42.549710][ T323] ___sys_sendmsg (net/socket.c:2653) [ 42.549931][ T323] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 42.550131][ T323] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 42.550335][ T323] ? __lock_release (kernel/locking/lockdep.c:5435) [ 42.550536][ T323] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 42.550855][ T323] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 42.551099][ T323] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 42.551306][ T323] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 42.551566][ T323] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 42.551783][ T323] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 42.551997][ T323] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 42.552199][ T323] ? __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) [ 42.552439][ T323] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 42.552658][ T323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 42.552914][ T323] RIP: 0033:0x7f24035267b7 [ 42.553201][ T323] 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) [ 42.553990][ T323] RSP: 002b:00007fff3268aac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 42.554347][ T323] RAX: ffffffffffffffda RBX: 00007fff3268b1f0 RCX: 00007f24035267b7 [ 42.554691][ T323] RDX: 0000000000000000 RSI: 00007fff3268ab30 RDI: 0000000000000005 [ 42.555002][ T323] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 42.555335][ T323] R10: 000000001ba37910 R11: 0000000000000246 R12: 0000000000000004 [ 42.555665][ T323] R13: 0000000066be9ad8 R14: 0000000000496600 R15: 0000000000000000 | [ 42.558723][ T323] #0: ffffffffa8dbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 42.559118][ T323] #1: ffff88800620ac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 42.559535][ T323] | [ 42.559535][ T323] stack backtrace: [ 42.560103][ T323] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 42.560607][ T323] Call Trace: [ 42.560775][ T323] [ 42.560882][ T323] dump_stack_lvl (lib/dump_stack.c:122) [ 42.561121][ T323] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 42.561330][ T323] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 42.561625][ T323] 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 [ 42.561933][ T323] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 42.562171][ T323] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 42.562438][ T323] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 42.562719][ T323] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 42.563063][ T323] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 42.563374][ T323] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 42.563611][ T323] br_add_if (net/bridge/br_if.c:687) bridge [ 42.563882][ T323] do_setlink (net/core/rtnetlink.c:2907) [ 42.564102][ T323] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 42.564324][ T323] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 42.564563][ T323] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 42.564769][ T323] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 42.565002][ T323] ? __kernel_text_address (kernel/extable.c:79) [ 42.565214][ T323] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 42.565416][ T323] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 42.565667][ T323] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 42.565885][ T323] ? stack_trace_save (kernel/stacktrace.c:123) [ 42.566091][ T323] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 42.566302][ T323] ? __pfx_validate_nla (lib/nlattr.c:396) [ 42.566503][ T323] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 42.566669][ T323] ? kasan_save_stack (mm/kasan/common.c:49) [ 42.566875][ T323] ? __nla_validate_parse (lib/nlattr.c:638) [ 42.567089][ T323] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 42.567307][ T323] ? 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) [ 42.567525][ T323] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 42.567736][ T323] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 42.567997][ T323] ? __create_object (mm/kmemleak.c:751) [ 42.568204][ T323] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 42.568408][ T323] rtnl_newlink (net/core/rtnetlink.c:3744) [ 42.568562][ T323] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 42.568770][ T323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 42.568987][ T323] ? 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) [ 42.569203][ T323] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 42.569375][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 42.569595][ T323] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 42.569806][ T323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 42.570015][ T323] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 42.570233][ T323] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 42.570444][ T323] ? 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) [ 42.570652][ T323] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 42.570863][ T323] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 42.571107][ T323] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 42.571333][ T323] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 42.571548][ T323] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 42.571983][ T323] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 42.572226][ T323] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 42.572450][ T323] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 42.572678][ T323] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 42.573041][ T323] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 42.573317][ T323] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 42.573546][ T323] ___sys_sendmsg (net/socket.c:2653) [ 42.573780][ T323] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 42.574197][ T323] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 42.574458][ T323] ? __lock_release (kernel/locking/lockdep.c:5435) [ 42.574661][ T323] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 42.574940][ T323] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 42.575266][ T323] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 42.575494][ T323] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 42.575752][ T323] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 42.575987][ T323] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 42.576193][ T323] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 42.576397][ T323] ? __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) [ 42.576622][ T323] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 42.576839][ T323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 42.577202][ T323] RIP: 0033:0x7f24035267b7 [ 42.577426][ T323] 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) [ 42.578272][ T323] RSP: 002b:00007fff3268aac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 42.578593][ T323] RAX: ffffffffffffffda RBX: 00007fff3268b1f0 RCX: 00007f24035267b7 [ 42.578908][ T323] RDX: 0000000000000000 RSI: 00007fff3268ab30 RDI: 0000000000000005 [ 42.579348][ T323] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 42.579672][ T323] R10: 000000001ba37910 R11: 0000000000000246 R12: 0000000000000004 [ 42.580005][ T323] R13: 0000000066be9ad8 R14: 0000000000496600 R15: 0000000000000000 | [ 42.583731][ T323] #0: ffffffffa8dbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 42.584486][ T323] #1: ffff88800620ac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 42.584891][ T323] | [ 42.584891][ T323] stack backtrace: [ 42.585476][ T323] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 42.586032][ T323] Call Trace: [ 42.586182][ T323] [ 42.586422][ T323] dump_stack_lvl (lib/dump_stack.c:122) [ 42.586636][ T323] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 42.586837][ T323] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 42.587139][ T323] 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 [ 42.587424][ T323] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 42.587623][ T323] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 42.587825][ T323] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 42.588066][ T323] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 42.588295][ T323] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 42.588578][ T323] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 42.588805][ T323] br_add_if (net/bridge/br_if.c:687) bridge [ 42.589067][ T323] do_setlink (net/core/rtnetlink.c:2907) [ 42.589402][ T323] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 42.589604][ T323] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 42.589807][ T323] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 42.590028][ T323] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 42.590231][ T323] ? __kernel_text_address (kernel/extable.c:79) [ 42.590429][ T323] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 42.590626][ T323] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 42.590879][ T323] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 42.591095][ T323] ? stack_trace_save (kernel/stacktrace.c:123) [ 42.591296][ T323] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 42.591493][ T323] ? __pfx_validate_nla (lib/nlattr.c:396) [ 42.591694][ T323] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 42.591869][ T323] ? kasan_save_stack (mm/kasan/common.c:49) [ 42.592195][ T323] ? __nla_validate_parse (lib/nlattr.c:638) [ 42.592404][ T323] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 42.592617][ T323] ? 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) [ 42.592837][ T323] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 42.593216][ T323] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 42.593468][ T323] ? __create_object (mm/kmemleak.c:751) [ 42.593669][ T323] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 42.593906][ T323] rtnl_newlink (net/core/rtnetlink.c:3744) [ 42.594178][ T323] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 42.594395][ T323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 42.594592][ T323] ? 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) [ 42.594812][ T323] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 42.594990][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 42.595317][ T323] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 42.595524][ T323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 42.595726][ T323] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 42.596025][ T323] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 42.596343][ T323] ? 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) [ 42.596592][ T323] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 42.596895][ T323] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 42.597119][ T323] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 42.597330][ T323] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 42.597539][ T323] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 42.597751][ T323] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 42.597995][ T323] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 42.598226][ T323] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 42.598495][ T323] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 42.598781][ T323] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 42.599051][ T323] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 42.599272][ T323] ___sys_sendmsg (net/socket.c:2653) [ 42.599509][ T323] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 42.599696][ T323] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 42.599921][ T323] ? __lock_release (kernel/locking/lockdep.c:5435) [ 42.600108][ T323] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 42.600486][ T323] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 42.600711][ T323] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 42.600978][ T323] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 42.601353][ T323] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 42.601581][ T323] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 42.601775][ T323] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 42.602020][ T323] ? __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) [ 42.602318][ T323] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 42.602698][ T323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 42.602971][ T323] RIP: 0033:0x7f24035267b7 [ 42.603199][ T323] 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) [ 42.604125][ T323] RSP: 002b:00007fff3268aac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 42.604433][ T323] RAX: ffffffffffffffda RBX: 00007fff3268b1f0 RCX: 00007f24035267b7 [ 42.604904][ T323] RDX: 0000000000000000 RSI: 00007fff3268ab30 RDI: 0000000000000005 [ 42.605282][ T323] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 42.605614][ T323] R10: 000000001ba37910 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