====================================== | [ 28.435194][ T269] 1 lock held by ip/269: | [ 28.435332][ T269] #0: ffffffff973bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 28.435743][ T269] | [ 28.435743][ T269] stack backtrace: [ 28.436216][ T269] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 28.436594][ T269] Call Trace: [ 28.436737][ T269] [ 28.436837][ T269] dump_stack_lvl (lib/dump_stack.c:122) [ 28.437014][ T269] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 28.437188][ T269] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 28.437482][ T269] 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 [ 28.437742][ T269] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 28.437949][ T269] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 28.438435][ T269] br_add_if (net/bridge/br_if.c:692) bridge [ 28.438647][ T269] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 28.438838][ T269] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 28.439068][ T269] do_setlink (net/core/rtnetlink.c:2907) [ 28.439251][ T269] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 28.439429][ T269] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 28.439605][ T269] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 28.439774][ T269] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 28.439948][ T269] ? __kernel_text_address (kernel/extable.c:79) [ 28.440118][ T269] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 28.440293][ T269] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 28.440502][ T269] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 28.440686][ T269] ? stack_trace_save (kernel/stacktrace.c:123) [ 28.440853][ T269] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 28.441021][ T269] ? __pfx_validate_nla (lib/nlattr.c:396) [ 28.441195][ T269] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 28.441334][ T269] ? kasan_save_stack (mm/kasan/common.c:49) [ 28.441512][ T269] ? __nla_validate_parse (lib/nlattr.c:638) [ 28.441692][ T269] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 28.441873][ T269] ? 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) [ 28.442045][ T269] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 28.442221][ T269] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 28.442432][ T269] ? __create_object (mm/kmemleak.c:751) [ 28.442605][ T269] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 28.442783][ T269] rtnl_newlink (net/core/rtnetlink.c:3744) [ 28.442917][ T269] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 28.443096][ T269] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 28.443266][ T269] ? 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) [ 28.443433][ T269] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 28.443569][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 28.443743][ T269] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 28.443917][ T269] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 28.444090][ T269] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 28.444277][ T269] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 28.444455][ T269] ? 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) [ 28.444632][ T269] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 28.444808][ T269] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 28.444984][ T269] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 28.445163][ T269] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 28.445338][ T269] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 28.445506][ T269] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 28.445677][ T269] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 28.445863][ T269] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 28.446042][ T269] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 28.446214][ T269] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 28.446425][ T269] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 28.446610][ T269] ___sys_sendmsg (net/socket.c:2653) [ 28.446785][ T269] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 28.446972][ T269] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 28.447160][ T269] ? __lock_release (kernel/locking/lockdep.c:5435) [ 28.447351][ T269] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 28.447570][ T269] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 28.447742][ T269] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 28.447924][ T269] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 28.448141][ T269] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 28.448319][ T269] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 28.448495][ T269] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 28.448668][ T269] ? __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) [ 28.448892][ T269] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 28.449066][ T269] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 28.449275][ T269] RIP: 0033:0x7f04e6ab87b7 [ 28.449461][ T269] 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) [ 28.450055][ T269] RSP: 002b:00007ffd83d8eba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 28.450313][ T269] RAX: ffffffffffffffda RBX: 00007ffd83d8f2d0 RCX: 00007f04e6ab87b7 [ 28.450569][ T269] RDX: 0000000000000000 RSI: 00007ffd83d8ec10 RDI: 0000000000000005 [ 28.450843][ T269] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 28.451103][ T269] R10: 000000001d9d1910 R11: 0000000000000246 R12: 0000000000000004 [ 28.451360][ T269] R13: 0000000066bea254 R14: 0000000000496600 R15: 0000000000000000 | [ 28.453627][ T269] 1 lock held by ip/269: | [ 28.453786][ T269] #0: ffffffff973bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 28.454142][ T269] | [ 28.454142][ T269] stack backtrace: [ 28.454632][ T269] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 28.455009][ T269] Call Trace: [ 28.455140][ T269] [ 28.455240][ T269] dump_stack_lvl (lib/dump_stack.c:122) [ 28.455424][ T269] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 28.455609][ T269] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 28.455880][ T269] 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 [ 28.456133][ T269] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 28.456331][ T269] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 28.456548][ T269] br_add_if (net/bridge/br_if.c:692) bridge [ 28.456763][ T269] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 28.456932][ T269] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 28.457157][ T269] do_setlink (net/core/rtnetlink.c:2907) [ 28.457329][ T269] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 28.457501][ T269] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 28.457671][ T269] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 28.457845][ T269] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 28.458026][ T269] ? __kernel_text_address (kernel/extable.c:79) [ 28.458204][ T269] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 28.458374][ T269] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 28.458596][ T269] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 28.458782][ T269] ? stack_trace_save (kernel/stacktrace.c:123) [ 28.458970][ T269] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 28.459137][ T269] ? __pfx_validate_nla (lib/nlattr.c:396) [ 28.459313][ T269] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 28.459445][ T269] ? kasan_save_stack (mm/kasan/common.c:49) [ 28.459622][ T269] ? __nla_validate_parse (lib/nlattr.c:638) [ 28.459796][ T269] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 28.459974][ T269] ? 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) [ 28.460145][ T269] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 28.460321][ T269] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 28.460527][ T269] ? __create_object (mm/kmemleak.c:751) [ 28.460701][ T269] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 28.460874][ T269] rtnl_newlink (net/core/rtnetlink.c:3744) [ 28.461007][ T269] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 28.461178][ T269] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 28.461349][ T269] ? 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) [ 28.461524][ T269] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 28.461660][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 28.461838][ T269] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 28.462012][ T269] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 28.462185][ T269] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 28.462368][ T269] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 28.462540][ T269] ? 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) [ 28.462709][ T269] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 28.462886][ T269] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 28.463056][ T269] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 28.463237][ T269] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 28.463411][ T269] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 28.463578][ T269] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 28.463750][ T269] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 28.463930][ T269] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 28.464111][ T269] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 28.464290][ T269] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 28.464500][ T269] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 28.464684][ T269] ___sys_sendmsg (net/socket.c:2653) [ 28.464853][ T269] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 28.465022][ T269] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 28.465199][ T269] ? __lock_release (kernel/locking/lockdep.c:5435) [ 28.465368][ T269] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 28.465585][ T269] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 28.465771][ T269] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 28.465947][ T269] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 28.466160][ T269] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 28.466336][ T269] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 28.466512][ T269] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 28.466680][ T269] ? __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) [ 28.466883][ T269] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 28.467063][ T269] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 28.467288][ T269] RIP: 0033:0x7f04e6ab87b7 [ 28.467474][ T269] 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) [ 28.468072][ T269] RSP: 002b:00007ffd83d8eba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 28.468333][ T269] RAX: ffffffffffffffda RBX: 00007ffd83d8f2d0 RCX: 00007f04e6ab87b7 [ 28.468595][ T269] RDX: 0000000000000000 RSI: 00007ffd83d8ec10 RDI: 0000000000000005 [ 28.468883][ T269] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 28.469139][ T269] R10: 000000001d9d1910 R11: 0000000000000246 R12: 0000000000000004 [ 28.469407][ T269] R13: 0000000066bea254 R14: 0000000000496600 R15: 0000000000000000 | [ 28.471851][ T269] 1 lock held by ip/269: | [ 28.471993][ T269] #0: ffffffff973bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 28.472325][ T269] | [ 28.472325][ T269] stack backtrace: [ 28.472993][ T269] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 28.473500][ T269] Call Trace: [ 28.473638][ T269] [ 28.473740][ T269] dump_stack_lvl (lib/dump_stack.c:122) [ 28.473926][ T269] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 28.474107][ T269] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 28.474478][ T269] 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 [ 28.474750][ T269] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 28.474964][ T269] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 28.475189][ T269] br_add_if (net/bridge/br_if.c:692) bridge [ 28.475510][ T269] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 28.475690][ T269] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 28.475921][ T269] do_setlink (net/core/rtnetlink.c:2907) [ 28.476098][ T269] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 28.476374][ T269] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 28.476550][ T269] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 28.476721][ T269] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 28.476895][ T269] ? __kernel_text_address (kernel/extable.c:79) [ 28.477160][ T269] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 28.477328][ T269] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 28.477539][ T269] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 28.477757][ T269] ? stack_trace_save (kernel/stacktrace.c:123) [ 28.478024][ T269] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 28.478196][ T269] ? __pfx_validate_nla (lib/nlattr.c:396) [ 28.478368][ T269] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 28.478507][ T269] ? kasan_save_stack (mm/kasan/common.c:49) [ 28.478776][ T269] ? __nla_validate_parse (lib/nlattr.c:638) [ 28.478967][ T269] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 28.479146][ T269] ? 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) [ 28.479328][ T269] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 28.479521][ T269] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 28.479846][ T269] ? __create_object (mm/kmemleak.c:751) [ 28.480026][ T269] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 28.480200][ T269] rtnl_newlink (net/core/rtnetlink.c:3744) [ 28.480328][ T269] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 28.480498][ T269] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 28.480665][ T269] ? 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) [ 28.480831][ T269] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 28.480968][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 28.481259][ T269] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 28.481429][ T269] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 28.481603][ T269] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 28.481787][ T269] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 28.481974][ T269] ? 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) [ 28.482142][ T269] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 28.482316][ T269] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 28.482494][ T269] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 28.482675][ T269] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 28.482949][ T269] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 28.483113][ T269] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 28.483290][ T269] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 28.483464][ T269] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 28.483752][ T269] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 28.483920][ T269] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 28.484137][ T269] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 28.484336][ T269] ___sys_sendmsg (net/socket.c:2653) [ 28.484603][ T269] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 28.484772][ T269] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 28.484972][ T269] ? __lock_release (kernel/locking/lockdep.c:5435) [ 28.485158][ T269] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 28.485475][ T269] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 28.485645][ T269] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 28.485823][ T269] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 28.486046][ T269] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 28.486333][ T269] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 28.486508][ T269] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 28.486673][ T269] ? __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) [ 28.486873][ T269] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 28.487142][ T269] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 28.487368][ T269] RIP: 0033:0x7f04e6ab87b7 [ 28.487559][ T269] 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) [ 28.488252][ T269] RSP: 002b:00007ffd83d8eba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 28.488506][ T269] RAX: ffffffffffffffda RBX: 00007ffd83d8f2d0 RCX: 00007f04e6ab87b7 [ 28.488880][ T269] RDX: 0000000000000000 RSI: 00007ffd83d8ec10 RDI: 0000000000000005 [ 28.489143][ T269] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 28.489389][ T269] R10: 000000001d9d1910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink