====================================== | [ 36.919070][ T340] #0: ffffffff889bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 36.919439][ T340] #1: ffff88800607ac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 36.919852][ T340] | [ 36.919852][ T340] stack backtrace: [ 36.920385][ T340] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.920820][ T340] Call Trace: [ 36.920969][ T340] [ 36.921069][ T340] dump_stack_lvl (lib/dump_stack.c:122) [ 36.921309][ T340] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 36.921494][ T340] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 36.921782][ T340] 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 [ 36.922053][ T340] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 36.922242][ T340] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 36.922434][ T340] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 36.922649][ T340] ? mn_hlist_invalidate_range_start (mm/mmu_notifier.c:485 (discriminator 4)) [ 36.922882][ T340] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 36.923100][ T340] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 36.923368][ T340] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 36.923593][ T340] br_add_if (net/bridge/br_if.c:687) bridge [ 36.923830][ T340] do_setlink (net/core/rtnetlink.c:2907) [ 36.924018][ T340] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 36.924215][ T340] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 36.924404][ T340] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 36.924588][ T340] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.924787][ T340] ? __kernel_text_address (kernel/extable.c:79) [ 36.924975][ T340] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 36.925164][ T340] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 36.925401][ T340] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 36.925612][ T340] ? stack_trace_save (kernel/stacktrace.c:123) [ 36.925798][ T340] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 36.925994][ T340] ? __pfx_validate_nla (lib/nlattr.c:396) [ 36.926186][ T340] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.926336][ T340] ? kasan_save_stack (mm/kasan/common.c:49) [ 36.926528][ T340] ? __nla_validate_parse (lib/nlattr.c:638) [ 36.926720][ T340] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 36.926927][ T340] ? 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) [ 36.927147][ T340] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 36.927352][ T340] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.927621][ T340] ? __create_object (mm/kmemleak.c:751) [ 36.927827][ T340] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 36.928035][ T340] rtnl_newlink (net/core/rtnetlink.c:3744) [ 36.928186][ T340] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 36.928396][ T340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.928591][ T340] ? 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) [ 36.928803][ T340] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.928960][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 36.929175][ T340] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 36.929363][ T340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.929561][ T340] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 36.929784][ T340] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 36.929972][ T340] ? 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) [ 36.930159][ T340] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 36.930349][ T340] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 36.930538][ T340] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.930743][ T340] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 36.930937][ T340] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 36.931124][ T340] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 36.931314][ T340] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 36.931511][ T340] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 36.931703][ T340] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 36.931886][ T340] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 36.932120][ T340] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 36.932337][ T340] ___sys_sendmsg (net/socket.c:2653) [ 36.932538][ T340] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 36.932724][ T340] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.932920][ T340] ? __lock_release (kernel/locking/lockdep.c:5435) [ 36.933119][ T340] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 36.933348][ T340] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 36.933539][ T340] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 36.933732][ T340] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.933975][ T340] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 36.934168][ T340] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 36.934352][ T340] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 36.934535][ T340] ? __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) [ 36.934744][ T340] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 36.934931][ T340] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.935158][ T340] RIP: 0033:0x7f30ec52b7b7 [ 36.935350][ T340] 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) [ 36.935988][ T340] RSP: 002b:00007fff4a3897d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.936268][ T340] RAX: ffffffffffffffda RBX: 00007fff4a389f00 RCX: 00007f30ec52b7b7 [ 36.936545][ T340] RDX: 0000000000000000 RSI: 00007fff4a389840 RDI: 0000000000000005 [ 36.936827][ T340] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 36.937132][ T340] R10: 00000000120cd910 R11: 0000000000000246 R12: 0000000000000004 [ 36.937442][ T340] R13: 0000000066bea65d R14: 0000000000496600 R15: 0000000000000000 | [ 36.940016][ T340] #0: ffffffff889bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 36.940386][ T340] #1: ffff88800607ac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 36.940782][ T340] | [ 36.940782][ T340] stack backtrace: [ 36.941334][ T340] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.941775][ T340] Call Trace: [ 36.941927][ T340] [ 36.942035][ T340] dump_stack_lvl (lib/dump_stack.c:122) [ 36.942242][ T340] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 36.942446][ T340] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 36.942730][ T340] 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 [ 36.943013][ T340] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 36.943211][ T340] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 36.943418][ T340] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 36.943648][ T340] ? mn_hlist_invalidate_range_start (mm/mmu_notifier.c:485 (discriminator 4)) [ 36.943900][ T340] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 36.944132][ T340] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 36.944416][ T340] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 36.944648][ T340] br_add_if (net/bridge/br_if.c:687) bridge [ 36.944889][ T340] do_setlink (net/core/rtnetlink.c:2907) [ 36.945089][ T340] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 36.945296][ T340] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 36.945496][ T340] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 36.945697][ T340] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.945900][ T340] ? __kernel_text_address (kernel/extable.c:79) [ 36.946103][ T340] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 36.946302][ T340] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 36.946549][ T340] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 36.946762][ T340] ? stack_trace_save (kernel/stacktrace.c:123) [ 36.946962][ T340] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 36.947171][ T340] ? __pfx_validate_nla (lib/nlattr.c:396) [ 36.947371][ T340] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.947528][ T340] ? kasan_save_stack (mm/kasan/common.c:49) [ 36.947735][ T340] ? __nla_validate_parse (lib/nlattr.c:638) [ 36.947944][ T340] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 36.948151][ T340] ? 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) [ 36.948353][ T340] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 36.948559][ T340] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.948811][ T340] ? __create_object (mm/kmemleak.c:751) [ 36.949013][ T340] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 36.949225][ T340] rtnl_newlink (net/core/rtnetlink.c:3744) [ 36.949378][ T340] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 36.949584][ T340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.949782][ T340] ? 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) [ 36.949981][ T340] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.950142][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 36.950346][ T340] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 36.950546][ T340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.950753][ T340] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 36.950968][ T340] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 36.951175][ T340] ? 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) [ 36.951395][ T340] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 36.951598][ T340] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 36.951797][ T340] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.952005][ T340] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 36.952209][ T340] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 36.952406][ T340] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 36.952607][ T340] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 36.952817][ T340] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 36.953193][ T340] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 36.953378][ T340] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 36.953626][ T340] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 36.953837][ T340] ___sys_sendmsg (net/socket.c:2653) [ 36.954145][ T340] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 36.954334][ T340] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.954530][ T340] ? __lock_release (kernel/locking/lockdep.c:5435) [ 36.954738][ T340] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 36.955099][ T340] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 36.955297][ T340] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 36.955501][ T340] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.955748][ T340] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 36.956066][ T340] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 36.956264][ T340] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 36.956463][ T340] ? __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) [ 36.956688][ T340] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 36.956888][ T340] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.957259][ T340] RIP: 0033:0x7f30ec52b7b7 [ 36.957461][ T340] 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) [ 36.958255][ T340] RSP: 002b:00007fff4a3897d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.958557][ T340] RAX: ffffffffffffffda RBX: 00007fff4a389f00 RCX: 00007f30ec52b7b7 [ 36.959076][ T340] RDX: 0000000000000000 RSI: 00007fff4a389840 RDI: 0000000000000005 [ 36.959362][ T340] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 36.959658][ T340] R10: 00000000120cd910 R11: 0000000000000246 R12: 0000000000000004 [ 36.960065][ T340] R13: 0000000066bea65d R14: 0000000000496600 R15: 0000000000000000 | [ 36.962937][ T340] #0: ffffffff889bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 36.963301][ T340] #1: ffff88800607ac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 36.963696][ T340] | [ 36.963696][ T340] stack backtrace: [ 36.964351][ T340] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.964914][ T340] Call Trace: [ 36.965079][ T340] [ 36.965186][ T340] dump_stack_lvl (lib/dump_stack.c:122) [ 36.965399][ T340] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 36.965597][ T340] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 36.965996][ T340] 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 [ 36.966271][ T340] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 36.966467][ T340] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 36.966669][ T340] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 36.967012][ T340] ? mn_hlist_invalidate_range_start (mm/mmu_notifier.c:485 (discriminator 4)) [ 36.967272][ T340] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 36.967502][ T340] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 36.967781][ T340] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 36.968128][ T340] br_add_if (net/bridge/br_if.c:687) bridge [ 36.968360][ T340] do_setlink (net/core/rtnetlink.c:2907) [ 36.968570][ T340] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 36.968772][ T340] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 36.969076][ T340] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 36.969278][ T340] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.969477][ T340] ? __kernel_text_address (kernel/extable.c:79) [ 36.969685][ T340] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 36.969994][ T340] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 36.970245][ T340] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 36.970460][ T340] ? stack_trace_save (kernel/stacktrace.c:123) [ 36.970659][ T340] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 36.970969][ T340] ? __pfx_validate_nla (lib/nlattr.c:396) [ 36.971169][ T340] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.971324][ T340] ? kasan_save_stack (mm/kasan/common.c:49) [ 36.971529][ T340] ? __nla_validate_parse (lib/nlattr.c:638) [ 36.971735][ T340] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 36.972052][ T340] ? 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) [ 36.972251][ T340] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 36.972454][ T340] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.972705][ T340] ? __create_object (mm/kmemleak.c:751) [ 36.973018][ T340] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 36.973226][ T340] rtnl_newlink (net/core/rtnetlink.c:3744) [ 36.973377][ T340] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 36.973578][ T340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.973886][ T340] ? 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) [ 36.974083][ T340] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.974237][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 36.974437][ T340] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 36.974639][ T340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.975063][ T340] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 36.975279][ T340] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 36.975478][ T340] ? 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) [ 36.975676][ T340] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 36.975999][ T340] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 36.976213][ T340] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.976416][ T340] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 36.976624][ T340] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 36.976933][ T340] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 36.977151][ T340] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 36.977358][ T340] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 36.977561][ T340] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 36.977762][ T340] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 36.978118][ T340] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 36.978328][ T340] ___sys_sendmsg (net/socket.c:2653) [ 36.978531][ T340] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 36.978731][ T340] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.979042][ T340] ? __lock_release (kernel/locking/lockdep.c:5435) [ 36.979241][ T340] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 36.979486][ T340] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 36.979698][ T340] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 36.980014][ T340] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.980262][ T340] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 36.980471][ T340] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 36.980674][ T340] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 36.980981][ T340] ? __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) [ 36.981201][ T340] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 36.981403][ T340] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.981648][ T340] RIP: 0033:0x7f30ec52b7b7 [ 36.981964][ T340] 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) [ 36.982759][ T340] RSP: 002b:00007fff4a3897d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.983046][ T340] RAX: ffffffffffffffda RBX: 00007fff4a389f00 RCX: 00007f30ec52b7b7 [ 36.983340][ T340] RDX: 0000000000000000 RSI: 00007fff4a389840 RDI: 0000000000000005 [ 36.983748][ T340] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 36.984043][ T340] R10: 00000000120cd910 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