====================================== | [ 35.549462][ T320] #0: ffffffff8c9bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 35.549886][ T320] #1: ffff8880057dac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 35.550322][ T320] | [ 35.550322][ T320] stack backtrace: [ 35.550859][ T320] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 35.551294][ T320] Call Trace: [ 35.551447][ T320] [ 35.551550][ T320] dump_stack_lvl (lib/dump_stack.c:122) [ 35.551754][ T320] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 35.551950][ T320] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 35.552225][ T320] 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 [ 35.552494][ T320] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 35.552690][ T320] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 35.552896][ T320] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 35.553125][ T320] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 35.553354][ T320] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 35.553636][ T320] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 35.553863][ T320] br_add_if (net/bridge/br_if.c:687) bridge [ 35.554111][ T320] do_setlink (net/core/rtnetlink.c:2907) [ 35.554312][ T320] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 35.554518][ T320] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 35.554720][ T320] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 35.554921][ T320] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 35.555125][ T320] ? __kernel_text_address (kernel/extable.c:79) [ 35.555326][ T320] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 35.555522][ T320] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 35.555775][ T320] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 35.555988][ T320] ? stack_trace_save (kernel/stacktrace.c:123) [ 35.556188][ T320] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 35.556388][ T320] ? __pfx_validate_nla (lib/nlattr.c:396) [ 35.556593][ T320] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.556748][ T320] ? kasan_save_stack (mm/kasan/common.c:49) [ 35.556952][ T320] ? __nla_validate_parse (lib/nlattr.c:638) [ 35.557156][ T320] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 35.557361][ T320] ? 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) [ 35.557563][ T320] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 35.557769][ T320] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.558013][ T320] ? __create_object (mm/kmemleak.c:751) [ 35.558212][ T320] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 35.558416][ T320] rtnl_newlink (net/core/rtnetlink.c:3744) [ 35.558566][ T320] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 35.558764][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.558959][ T320] ? 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) [ 35.559156][ T320] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.559317][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 35.559523][ T320] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 35.559718][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.559921][ T320] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 35.560138][ T320] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 35.560335][ T320] ? 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) [ 35.560539][ T320] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 35.560743][ T320] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 35.560941][ T320] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.561148][ T320] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 35.561349][ T320] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 35.561550][ T320] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 35.561752][ T320] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 35.561959][ T320] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 35.562160][ T320] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 35.562359][ T320] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 35.562609][ T320] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 35.562819][ T320] ___sys_sendmsg (net/socket.c:2653) [ 35.563018][ T320] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 35.563215][ T320] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.563417][ T320] ? __lock_release (kernel/locking/lockdep.c:5435) [ 35.563619][ T320] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 35.563861][ T320] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 35.564074][ T320] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 35.564279][ T320] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.564529][ T320] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 35.564731][ T320] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 35.564930][ T320] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 35.565131][ T320] ? __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) [ 35.565354][ T320] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 35.565558][ T320] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 35.565808][ T320] RIP: 0033:0x7fbeeabd27b7 [ 35.566016][ T320] 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) [ 35.566698][ T320] RSP: 002b:00007fff62ec5e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.567000][ T320] RAX: ffffffffffffffda RBX: 00007fff62ec65b0 RCX: 00007fbeeabd27b7 [ 35.567294][ T320] RDX: 0000000000000000 RSI: 00007fff62ec5ef0 RDI: 0000000000000005 [ 35.567594][ T320] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 35.567889][ T320] R10: 0000000006e04910 R11: 0000000000000246 R12: 0000000000000004 [ 35.568184][ T320] R13: 0000000066be9fba R14: 0000000000496600 R15: 0000000000000000 | [ 35.570728][ T320] #0: ffffffff8c9bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 35.571089][ T320] #1: ffff8880057dac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 35.571473][ T320] | [ 35.571473][ T320] stack backtrace: [ 35.572019][ T320] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 35.572450][ T320] Call Trace: [ 35.572601][ T320] [ 35.572705][ T320] dump_stack_lvl (lib/dump_stack.c:122) [ 35.572913][ T320] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 35.573114][ T320] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 35.573389][ T320] 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 [ 35.573667][ T320] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 35.573862][ T320] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 35.574072][ T320] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 35.574303][ T320] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 35.574532][ T320] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 35.574810][ T320] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 35.575035][ T320] br_add_if (net/bridge/br_if.c:687) bridge [ 35.575274][ T320] do_setlink (net/core/rtnetlink.c:2907) [ 35.575477][ T320] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 35.575677][ T320] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 35.575874][ T320] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 35.576072][ T320] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 35.576269][ T320] ? __kernel_text_address (kernel/extable.c:79) [ 35.576465][ T320] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 35.576660][ T320] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 35.576907][ T320] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 35.577117][ T320] ? stack_trace_save (kernel/stacktrace.c:123) [ 35.577314][ T320] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 35.577510][ T320] ? __pfx_validate_nla (lib/nlattr.c:396) [ 35.577704][ T320] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.577857][ T320] ? kasan_save_stack (mm/kasan/common.c:49) [ 35.578061][ T320] ? __nla_validate_parse (lib/nlattr.c:638) [ 35.578261][ T320] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 35.578466][ T320] ? 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) [ 35.578669][ T320] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 35.578872][ T320] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.579121][ T320] ? __create_object (mm/kmemleak.c:751) [ 35.579326][ T320] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 35.579530][ T320] rtnl_newlink (net/core/rtnetlink.c:3744) [ 35.579682][ T320] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 35.579885][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.580085][ T320] ? 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) [ 35.580289][ T320] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.580447][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 35.580658][ T320] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 35.580856][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.581059][ T320] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 35.581274][ T320] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 35.581475][ T320] ? 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) [ 35.581679][ T320] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 35.581889][ T320] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 35.582088][ T320] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.582291][ T320] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 35.582501][ T320] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 35.582699][ T320] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 35.582898][ T320] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 35.583107][ T320] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 35.583308][ T320] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 35.583510][ T320] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 35.583752][ T320] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 35.583970][ T320] ___sys_sendmsg (net/socket.c:2653) [ 35.584169][ T320] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 35.584365][ T320] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.584563][ T320] ? __lock_release (kernel/locking/lockdep.c:5435) [ 35.584754][ T320] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 35.584997][ T320] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 35.585197][ T320] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 35.585397][ T320] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.585647][ T320] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 35.585853][ T320] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 35.586048][ T320] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 35.586240][ T320] ? __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) [ 35.586457][ T320] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 35.586655][ T320] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 35.586898][ T320] RIP: 0033:0x7fbeeabd27b7 [ 35.587096][ T320] 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) [ 35.587760][ T320] RSP: 002b:00007fff62ec5e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.588048][ T320] RAX: ffffffffffffffda RBX: 00007fff62ec65b0 RCX: 00007fbeeabd27b7 [ 35.588640][ T320] RDX: 0000000000000000 RSI: 00007fff62ec5ef0 RDI: 0000000000000005 [ 35.588952][ T320] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 35.589263][ T320] R10: 0000000006e04910 R11: 0000000000000246 R12: 0000000000000004 [ 35.589701][ T320] R13: 0000000066be9fba R14: 0000000000496600 R15: 0000000000000000 | [ 35.592679][ T320] #0: ffffffff8c9bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 35.593060][ T320] #1: ffff8880057dac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 35.593463][ T320] | [ 35.593463][ T320] stack backtrace: [ 35.594156][ T320] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 35.594726][ T320] Call Trace: [ 35.594885][ T320] [ 35.594995][ T320] dump_stack_lvl (lib/dump_stack.c:122) [ 35.595208][ T320] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 35.595418][ T320] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 35.595830][ T320] 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 [ 35.596121][ T320] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 35.596328][ T320] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 35.596541][ T320] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 35.596892][ T320] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 35.597133][ T320] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 35.597423][ T320] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 35.597663][ T320] br_add_if (net/bridge/br_if.c:687) bridge [ 35.598020][ T320] do_setlink (net/core/rtnetlink.c:2907) [ 35.598230][ T320] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 35.598441][ T320] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 35.598652][ T320] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 35.598966][ T320] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 35.599180][ T320] ? __kernel_text_address (kernel/extable.c:79) [ 35.599389][ T320] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 35.599599][ T320] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 35.599969][ T320] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 35.600189][ T320] ? stack_trace_save (kernel/stacktrace.c:123) [ 35.600397][ T320] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 35.600607][ T320] ? __pfx_validate_nla (lib/nlattr.c:396) [ 35.600815][ T320] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.601086][ T320] ? kasan_save_stack (mm/kasan/common.c:49) [ 35.601302][ T320] ? __nla_validate_parse (lib/nlattr.c:638) [ 35.601526][ T320] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 35.601743][ T320] ? 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) [ 35.602065][ T320] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 35.602282][ T320] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.602544][ T320] ? __create_object (mm/kmemleak.c:751) [ 35.602757][ T320] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 35.602973][ T320] rtnl_newlink (net/core/rtnetlink.c:3744) [ 35.603134][ T320] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 35.603345][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.603556][ T320] ? 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) [ 35.603763][ T320] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.604053][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 35.604264][ T320] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 35.604472][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.604684][ T320] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 35.605128][ T320] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 35.605343][ T320] ? 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) [ 35.605557][ T320] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 35.605770][ T320] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 35.606094][ T320] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.606310][ T320] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 35.606521][ T320] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 35.606728][ T320] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 35.606943][ T320] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 35.607160][ T320] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 35.607376][ T320] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 35.607582][ T320] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 35.607844][ T320] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 35.608175][ T320] ___sys_sendmsg (net/socket.c:2653) [ 35.608386][ T320] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 35.608599][ T320] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.608813][ T320] ? __lock_release (kernel/locking/lockdep.c:5435) [ 35.609130][ T320] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 35.609390][ T320] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 35.609600][ T320] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 35.609811][ T320] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.610184][ T320] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 35.610401][ T320] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 35.610610][ T320] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 35.610816][ T320] ? __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) [ 35.611050][ T320] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 35.611258][ T320] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 35.611517][ T320] RIP: 0033:0x7fbeeabd27b7 [ 35.611731][ T320] 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) [ 35.612561][ T320] RSP: 002b:00007fff62ec5e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.612983][ T320] RAX: ffffffffffffffda RBX: 00007fff62ec65b0 RCX: 00007fbeeabd27b7 [ 35.613290][ T320] RDX: 0000000000000000 RSI: 00007fff62ec5ef0 RDI: 0000000000000005 [ 35.613595][ T320] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 35.614028][ T320] R10: 0000000006e04910 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