====================================== | [ 31.303112][ T289] 1 lock held by ip/289: | [ 31.303250][ T289] #0: ffffffffa55bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 31.303683][ T289] | [ 31.303683][ T289] stack backtrace: [ 31.304230][ T289] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.304593][ T289] Call Trace: [ 31.304724][ T289] [ 31.304812][ T289] dump_stack_lvl (lib/dump_stack.c:122) [ 31.304997][ T289] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 31.305165][ T289] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 31.305476][ T289] 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 [ 31.305940][ T289] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 31.306143][ T289] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.306351][ T289] br_add_if (net/bridge/br_if.c:692) bridge [ 31.306556][ T289] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 31.306742][ T289] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 31.306958][ T289] do_setlink (net/core/rtnetlink.c:2907) [ 31.307131][ T289] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 31.307306][ T289] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 31.307473][ T289] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 31.307642][ T289] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 31.307816][ T289] ? __kernel_text_address (kernel/extable.c:79) [ 31.307989][ T289] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 31.308169][ T289] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 31.308384][ T289] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 31.308563][ T289] ? stack_trace_save (kernel/stacktrace.c:123) [ 31.308731][ T289] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 31.308901][ T289] ? __pfx_validate_nla (lib/nlattr.c:396) [ 31.309071][ T289] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.309201][ T289] ? kasan_save_stack (mm/kasan/common.c:49) [ 31.309380][ T289] ? __nla_validate_parse (lib/nlattr.c:638) [ 31.309561][ T289] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 31.309740][ T289] ? 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) [ 31.309910][ T289] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 31.310080][ T289] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.310300][ T289] ? __create_object (mm/kmemleak.c:751) [ 31.310470][ T289] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 31.310650][ T289] rtnl_newlink (net/core/rtnetlink.c:3744) [ 31.310779][ T289] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 31.310951][ T289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.311129][ T289] ? 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) [ 31.311299][ T289] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.311429][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 31.311602][ T289] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 31.311768][ T289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.311944][ T289] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 31.312127][ T289] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 31.312292][ T289] ? 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) [ 31.312473][ T289] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 31.312641][ T289] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 31.312809][ T289] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.312988][ T289] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 31.313155][ T289] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 31.313318][ T289] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 31.313489][ T289] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 31.313666][ T289] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 31.313839][ T289] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 31.314004][ T289] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 31.314211][ T289] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 31.314386][ T289] ___sys_sendmsg (net/socket.c:2653) [ 31.314564][ T289] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 31.314730][ T289] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.314898][ T289] ? __lock_release (kernel/locking/lockdep.c:5435) [ 31.315061][ T289] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 31.315289][ T289] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 31.315458][ T289] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 31.315628][ T289] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.315837][ T289] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 31.316009][ T289] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 31.316174][ T289] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 31.316379][ T289] ? __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) [ 31.316576][ T289] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 31.316753][ T289] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 31.316968][ T289] RIP: 0033:0x7f627c0d37b7 [ 31.317154][ T289] 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) [ 31.317746][ T289] RSP: 002b:00007ffd2d3baac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 31.318133][ T289] RAX: ffffffffffffffda RBX: 00007ffd2d3bb1f0 RCX: 00007f627c0d37b7 [ 31.318389][ T289] RDX: 0000000000000000 RSI: 00007ffd2d3bab30 RDI: 0000000000000005 [ 31.318636][ T289] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 31.318886][ T289] R10: 0000000006b1c910 R11: 0000000000000246 R12: 0000000000000004 [ 31.319132][ T289] R13: 0000000066bea773 R14: 0000000000496600 R15: 0000000000000000 | [ 31.321406][ T289] 1 lock held by ip/289: | [ 31.321572][ T289] #0: ffffffffa55bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 31.321880][ T289] | [ 31.321880][ T289] stack backtrace: [ 31.322348][ T289] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.322722][ T289] Call Trace: [ 31.322851][ T289] [ 31.322943][ T289] dump_stack_lvl (lib/dump_stack.c:122) [ 31.323116][ T289] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 31.323287][ T289] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 31.323560][ T289] 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 [ 31.323808][ T289] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 31.324012][ T289] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.324227][ T289] br_add_if (net/bridge/br_if.c:692) bridge [ 31.324431][ T289] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 31.324607][ T289] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 31.324826][ T289] do_setlink (net/core/rtnetlink.c:2907) [ 31.325006][ T289] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 31.325187][ T289] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 31.325366][ T289] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 31.325533][ T289] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 31.325706][ T289] ? __kernel_text_address (kernel/extable.c:79) [ 31.325873][ T289] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 31.326042][ T289] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 31.326260][ T289] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 31.326441][ T289] ? stack_trace_save (kernel/stacktrace.c:123) [ 31.326611][ T289] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 31.326779][ T289] ? __pfx_validate_nla (lib/nlattr.c:396) [ 31.326958][ T289] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.327092][ T289] ? kasan_save_stack (mm/kasan/common.c:49) [ 31.327266][ T289] ? __nla_validate_parse (lib/nlattr.c:638) [ 31.327441][ T289] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 31.327615][ T289] ? 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) [ 31.327808][ T289] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 31.327980][ T289] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.328194][ T289] ? __create_object (mm/kmemleak.c:751) [ 31.328366][ T289] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 31.328545][ T289] rtnl_newlink (net/core/rtnetlink.c:3744) [ 31.328679][ T289] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 31.328847][ T289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.329020][ T289] ? 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) [ 31.329189][ T289] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.329322][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 31.329501][ T289] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 31.329667][ T289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.329838][ T289] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 31.330022][ T289] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 31.330193][ T289] ? 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) [ 31.330363][ T289] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 31.330544][ T289] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 31.330713][ T289] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.330893][ T289] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 31.331062][ T289] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 31.331226][ T289] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 31.331401][ T289] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 31.331578][ T289] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 31.331748][ T289] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 31.331919][ T289] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 31.332128][ T289] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 31.332491][ T289] ___sys_sendmsg (net/socket.c:2653) [ 31.332661][ T289] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 31.332833][ T289] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.333001][ T289] ? __lock_release (kernel/locking/lockdep.c:5435) [ 31.333261][ T289] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 31.333470][ T289] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 31.333642][ T289] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 31.333813][ T289] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.334114][ T289] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 31.334288][ T289] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 31.334454][ T289] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 31.334620][ T289] ? __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) [ 31.334904][ T289] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 31.335076][ T289] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 31.335300][ T289] RIP: 0033:0x7f627c0d37b7 [ 31.335478][ T289] 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) [ 31.336160][ T289] RSP: 002b:00007ffd2d3baac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 31.336509][ T289] RAX: ffffffffffffffda RBX: 00007ffd2d3bb1f0 RCX: 00007f627c0d37b7 [ 31.336764][ T289] RDX: 0000000000000000 RSI: 00007ffd2d3bab30 RDI: 0000000000000005 [ 31.337010][ T289] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 31.337263][ T289] R10: 0000000006b1c910 R11: 0000000000000246 R12: 0000000000000004 [ 31.337509][ T289] R13: 0000000066bea773 R14: 0000000000496600 R15: 0000000000000000 | [ 31.339861][ T289] 1 lock held by ip/289: | [ 31.339987][ T289] #0: ffffffffa55bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 31.340291][ T289] | [ 31.340291][ T289] stack backtrace: [ 31.340842][ T289] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.341211][ T289] Call Trace: [ 31.341343][ T289] [ 31.341432][ T289] dump_stack_lvl (lib/dump_stack.c:122) [ 31.341603][ T289] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 31.341767][ T289] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 31.342109][ T289] 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 [ 31.342354][ T289] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 31.342549][ T289] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.342759][ T289] br_add_if (net/bridge/br_if.c:692) bridge [ 31.343054][ T289] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 31.343224][ T289] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 31.343440][ T289] do_setlink (net/core/rtnetlink.c:2907) [ 31.343606][ T289] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 31.343873][ T289] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 31.344049][ T289] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 31.344219][ T289] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 31.344387][ T289] ? __kernel_text_address (kernel/extable.c:79) [ 31.344655][ T289] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 31.344821][ T289] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 31.345030][ T289] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 31.345523][ T289] ? stack_trace_save (kernel/stacktrace.c:123) [ 31.345690][ T289] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 31.345860][ T289] ? __pfx_validate_nla (lib/nlattr.c:396) [ 31.346028][ T289] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.346157][ T289] ? kasan_save_stack (mm/kasan/common.c:49) [ 31.346329][ T289] ? __nla_validate_parse (lib/nlattr.c:638) [ 31.346500][ T289] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 31.346676][ T289] ? 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) [ 31.346843][ T289] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 31.347015][ T289] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.347320][ T289] ? __create_object (mm/kmemleak.c:751) [ 31.347492][ T289] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 31.347664][ T289] rtnl_newlink (net/core/rtnetlink.c:3744) [ 31.347796][ T289] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 31.348064][ T289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.348230][ T289] ? 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) [ 31.348394][ T289] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.348525][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 31.348791][ T289] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 31.348963][ T289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.349134][ T289] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 31.349316][ T289] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 31.349484][ T289] ? 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) [ 31.349753][ T289] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 31.349922][ T289] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 31.350089][ T289] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.350263][ T289] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 31.350532][ T289] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 31.350695][ T289] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 31.350864][ T289] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 31.351042][ T289] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 31.351217][ T289] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 31.351380][ T289] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 31.351587][ T289] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 31.351769][ T289] ___sys_sendmsg (net/socket.c:2653) [ 31.352036][ T289] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 31.352202][ T289] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.352370][ T289] ? __lock_release (kernel/locking/lockdep.c:5435) [ 31.352533][ T289] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 31.352838][ T289] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 31.353007][ T289] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 31.353178][ T289] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.353389][ T289] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 31.353664][ T289] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 31.353829][ T289] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 31.353997][ T289] ? __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) [ 31.354183][ T289] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 31.354350][ T289] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 31.354558][ T289] RIP: 0033:0x7f627c0d37b7 [ 31.354731][ T289] 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) [ 31.355442][ T289] RSP: 002b:00007ffd2d3baac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 31.355692][ T289] RAX: ffffffffffffffda RBX: 00007ffd2d3bb1f0 RCX: 00007f627c0d37b7 [ 31.356036][ T289] RDX: 0000000000000000 RSI: 00007ffd2d3bab30 RDI: 0000000000000005 [ 31.356289][ T289] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 31.356545][ T289] R10: 0000000006b1c910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink