====================================== | [ 85.078999][ T715] #0: ffffffffbd3bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 85.079339][ T715] #1: ffff888006dbac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 85.079752][ T715] | [ 85.079752][ T715] stack backtrace: [ 85.080276][ T715] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 85.080687][ T715] Call Trace: [ 85.080836][ T715] [ 85.080939][ T715] dump_stack_lvl (lib/dump_stack.c:122) [ 85.081131][ T715] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 85.081334][ T715] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 85.081605][ T715] 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 [ 85.081865][ T715] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 85.082055][ T715] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 85.082245][ T715] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 85.082464][ T715] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 85.082688][ T715] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 85.082955][ T715] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 85.083178][ T715] br_add_if (net/bridge/br_if.c:687) bridge [ 85.083404][ T715] do_setlink (net/core/rtnetlink.c:2907) [ 85.083590][ T715] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 85.083785][ T715] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 85.083968][ T715] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 85.084156][ T715] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 85.084348][ T715] ? __kernel_text_address (kernel/extable.c:79) [ 85.084540][ T715] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 85.084725][ T715] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 85.084957][ T715] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 85.085158][ T715] ? stack_trace_save (kernel/stacktrace.c:123) [ 85.085356][ T715] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 85.085541][ T715] ? __pfx_validate_nla (lib/nlattr.c:396) [ 85.085739][ T715] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 85.085884][ T715] ? kasan_save_stack (mm/kasan/common.c:49) [ 85.086104][ T715] ? __nla_validate_parse (lib/nlattr.c:638) [ 85.086301][ T715] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 85.086525][ T715] ? 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) [ 85.086739][ T715] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 85.086935][ T715] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 85.087166][ T715] ? __create_object (mm/kmemleak.c:751) [ 85.087368][ T715] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 85.087570][ T715] rtnl_newlink (net/core/rtnetlink.c:3744) [ 85.087712][ T715] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 85.087926][ T715] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 85.088127][ T715] ? 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) [ 85.088312][ T715] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 85.088458][ T715] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 85.088645][ T715] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 85.088834][ T715] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 85.089033][ T715] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 85.089239][ T715] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 85.089428][ T715] ? 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) [ 85.089615][ T715] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 85.089809][ T715] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 85.089994][ T715] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 85.090183][ T715] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 85.090379][ T715] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 85.090585][ T715] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 85.090774][ T715] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 85.090966][ T715] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 85.091156][ T715] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 85.091348][ T715] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 85.091589][ T715] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 85.091786][ T715] ___sys_sendmsg (net/socket.c:2653) [ 85.091973][ T715] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 85.092197][ T715] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 85.092393][ T715] ? __lock_release (kernel/locking/lockdep.c:5435) [ 85.092634][ T715] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 85.092863][ T715] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 85.093050][ T715] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 85.093265][ T715] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 85.093495][ T715] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 85.093715][ T715] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 85.093923][ T715] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 85.094113][ T715] ? __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) [ 85.094361][ T715] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 85.094549][ T715] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 85.094806][ T715] RIP: 0033:0x7f1e1aeb67b7 [ 85.095024][ T715] 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) [ 85.095695][ T715] RSP: 002b:00007ffdd5385d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 85.096024][ T715] RAX: ffffffffffffffda RBX: 00007ffdd53864c0 RCX: 00007f1e1aeb67b7 [ 85.096319][ T715] RDX: 0000000000000000 RSI: 00007ffdd5385e00 RDI: 0000000000000005 [ 85.096602][ T715] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 85.096910][ T715] R10: 000000002ddc4910 R11: 0000000000000246 R12: 0000000000000004 [ 85.097187][ T715] R13: 0000000066bea16e R14: 0000000000496600 R15: 0000000000000000 | [ 85.099582][ T715] #0: ffffffffbd3bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 85.099939][ T715] #1: ffff888006dbac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 85.100333][ T715] | [ 85.100333][ T715] stack backtrace: [ 85.100935][ T715] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 85.101391][ T715] Call Trace: [ 85.101586][ T715] [ 85.101689][ T715] dump_stack_lvl (lib/dump_stack.c:122) [ 85.101887][ T715] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 85.102072][ T715] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 85.102344][ T715] 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 [ 85.102610][ T715] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 85.102794][ T715] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 85.102991][ T715] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 85.103222][ T715] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 85.103440][ T715] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 85.103702][ T715] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 85.103924][ T715] br_add_if (net/bridge/br_if.c:687) bridge [ 85.104191][ T715] do_setlink (net/core/rtnetlink.c:2907) [ 85.104384][ T715] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 85.104576][ T715] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 85.104767][ T715] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 85.104952][ T715] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 85.105139][ T715] ? __kernel_text_address (kernel/extable.c:79) [ 85.105323][ T715] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 85.105511][ T715] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 85.105738][ T715] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 85.105933][ T715] ? stack_trace_save (kernel/stacktrace.c:123) [ 85.106127][ T715] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 85.106315][ T715] ? __pfx_validate_nla (lib/nlattr.c:396) [ 85.106500][ T715] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 85.106644][ T715] ? kasan_save_stack (mm/kasan/common.c:49) [ 85.106839][ T715] ? __nla_validate_parse (lib/nlattr.c:638) [ 85.107036][ T715] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 85.107231][ T715] ? 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) [ 85.107420][ T715] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 85.107623][ T715] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 85.107856][ T715] ? __create_object (mm/kmemleak.c:751) [ 85.108046][ T715] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 85.108247][ T715] rtnl_newlink (net/core/rtnetlink.c:3744) [ 85.108389][ T715] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 85.108584][ T715] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 85.108772][ T715] ? 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) [ 85.108970][ T715] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 85.109126][ T715] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 85.109337][ T715] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 85.109528][ T715] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 85.109727][ T715] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 85.109925][ T715] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 85.110114][ T715] ? 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) [ 85.110505][ T715] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 85.110693][ T715] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 85.110880][ T715] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 85.111075][ T715] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 85.111395][ T715] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 85.111578][ T715] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 85.111803][ T715] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 85.111998][ T715] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 85.112314][ T715] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 85.112502][ T715] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 85.112730][ T715] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 85.112934][ T715] ___sys_sendmsg (net/socket.c:2653) [ 85.113232][ T715] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 85.113470][ T715] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 85.113670][ T715] ? __lock_release (kernel/locking/lockdep.c:5435) [ 85.113889][ T715] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 85.114257][ T715] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 85.114462][ T715] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 85.114679][ T715] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 85.114933][ T715] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 85.115257][ T715] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 85.115443][ T715] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 85.115656][ T715] ? __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) [ 85.115882][ T715] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 85.116315][ T715] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 85.116570][ T715] RIP: 0033:0x7f1e1aeb67b7 [ 85.116770][ T715] 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) [ 85.117578][ T715] RSP: 002b:00007ffdd5385d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 85.117884][ T715] RAX: ffffffffffffffda RBX: 00007ffdd53864c0 RCX: 00007f1e1aeb67b7 [ 85.118328][ T715] RDX: 0000000000000000 RSI: 00007ffdd5385e00 RDI: 0000000000000005 [ 85.118622][ T715] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 85.118921][ T715] R10: 000000002ddc4910 R11: 0000000000000246 R12: 0000000000000004 [ 85.119341][ T715] R13: 0000000066bea16e R14: 0000000000496600 R15: 0000000000000000 | [ 85.122178][ T715] #0: ffffffffbd3bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 85.122551][ T715] #1: ffff888006dbac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 85.122951][ T715] | [ 85.122951][ T715] stack backtrace: [ 85.123596][ T715] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 85.124111][ T715] Call Trace: [ 85.124252][ T715] [ 85.124348][ T715] dump_stack_lvl (lib/dump_stack.c:122) [ 85.124538][ T715] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 85.124721][ T715] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 85.125089][ T715] 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 [ 85.125355][ T715] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 85.125535][ T715] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 85.125721][ T715] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 85.126048][ T715] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 85.126265][ T715] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 85.126525][ T715] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 85.126736][ T715] br_add_if (net/bridge/br_if.c:687) bridge [ 85.127068][ T715] do_setlink (net/core/rtnetlink.c:2907) [ 85.127266][ T715] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 85.127452][ T715] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 85.127634][ T715] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 85.127925][ T715] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 85.128111][ T715] ? __kernel_text_address (kernel/extable.c:79) [ 85.128291][ T715] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 85.128475][ T715] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 85.128854][ T715] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 85.129051][ T715] ? stack_trace_save (kernel/stacktrace.c:123) [ 85.129276][ T715] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 85.129482][ T715] ? __pfx_validate_nla (lib/nlattr.c:396) [ 85.129788][ T715] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 85.129935][ T715] ? kasan_save_stack (mm/kasan/common.c:49) [ 85.130155][ T715] ? __nla_validate_parse (lib/nlattr.c:638) [ 85.130372][ T715] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 85.130565][ T715] ? 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) [ 85.130896][ T715] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 85.131098][ T715] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 85.131363][ T715] ? __create_object (mm/kmemleak.c:751) [ 85.131584][ T715] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 85.132020][ T715] rtnl_newlink (net/core/rtnetlink.c:3744) [ 85.132168][ T715] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 85.132353][ T715] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 85.132555][ T715] ? 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) [ 85.132876][ T715] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 85.133041][ T715] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 85.133240][ T715] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 85.133439][ T715] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 85.133649][ T715] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 85.133992][ T715] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 85.134204][ T715] ? 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) [ 85.134419][ T715] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 85.134617][ T715] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 85.134935][ T715] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 85.135147][ T715] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 85.135351][ T715] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 85.135556][ T715] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 85.135873][ T715] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 85.136082][ T715] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 85.136272][ T715] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 85.136464][ T715] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 85.136798][ T715] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 85.136994][ T715] ___sys_sendmsg (net/socket.c:2653) [ 85.137211][ T715] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 85.137399][ T715] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 85.137617][ T715] ? __lock_release (kernel/locking/lockdep.c:5435) [ 85.137937][ T715] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 85.138174][ T715] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 85.138391][ T715] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 85.138581][ T715] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 85.138958][ T715] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 85.139166][ T715] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 85.139364][ T715] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 85.139571][ T715] ? __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) [ 85.139914][ T715] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 85.140108][ T715] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 85.140361][ T715] RIP: 0033:0x7f1e1aeb67b7 [ 85.140563][ T715] 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) [ 85.141383][ T715] RSP: 002b:00007ffdd5385d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 85.141789][ T715] RAX: ffffffffffffffda RBX: 00007ffdd53864c0 RCX: 00007f1e1aeb67b7 [ 85.142091][ T715] RDX: 0000000000000000 RSI: 00007ffdd5385e00 RDI: 0000000000000005 [ 85.142390][ T715] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 85.142771][ T715] R10: 000000002ddc4910 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