====================================== | [ 44.847029][ T355] 1 lock held by ip/355: | [ 44.847191][ T355] #0: ffffffff8ffbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 44.847594][ T355] | [ 44.847594][ T355] stack backtrace: [ 44.848165][ T355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 44.848617][ T355] Call Trace: [ 44.848781][ T355] [ 44.848880][ T355] dump_stack_lvl (lib/dump_stack.c:122) [ 44.849089][ T355] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 44.849288][ T355] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 44.849622][ T355] 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 [ 44.849916][ T355] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 44.850145][ T355] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 44.850392][ T355] br_add_if (net/bridge/br_if.c:692) bridge [ 44.850645][ T355] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 44.850839][ T355] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 44.851074][ T355] do_setlink (net/core/rtnetlink.c:2907) [ 44.851270][ T355] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 44.851462][ T355] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 44.851686][ T355] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 44.851896][ T355] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 44.852112][ T355] ? __kernel_text_address (kernel/extable.c:79) [ 44.852298][ T355] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 44.852515][ T355] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 44.852774][ T355] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 44.852978][ T355] ? stack_trace_save (kernel/stacktrace.c:123) [ 44.853175][ T355] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 44.853365][ T355] ? __pfx_validate_nla (lib/nlattr.c:396) [ 44.853591][ T355] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 44.853746][ T355] ? kasan_save_stack (mm/kasan/common.c:49) [ 44.853959][ T355] ? __nla_validate_parse (lib/nlattr.c:638) [ 44.854165][ T355] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 44.854370][ T355] ? 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) [ 44.854590][ T355] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 44.854791][ T355] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 44.855057][ T355] ? __create_object (mm/kmemleak.c:751) [ 44.855257][ T355] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 44.855452][ T355] rtnl_newlink (net/core/rtnetlink.c:3744) [ 44.855611][ T355] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 44.855799][ T355] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 44.855987][ T355] ? 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) [ 44.856173][ T355] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 44.856324][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 44.856541][ T355] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 44.856736][ T355] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 44.856938][ T355] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 44.857140][ T355] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 44.857344][ T355] ? 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) [ 44.857560][ T355] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 44.857756][ T355] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 44.857970][ T355] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 44.858189][ T355] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 44.858387][ T355] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 44.858601][ T355] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 44.858794][ T355] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 44.859008][ T355] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 44.859203][ T355] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 44.859411][ T355] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 44.859669][ T355] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 44.859887][ T355] ___sys_sendmsg (net/socket.c:2653) [ 44.860080][ T355] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 44.860271][ T355] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 44.860465][ T355] ? __lock_release (kernel/locking/lockdep.c:5435) [ 44.860659][ T355] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 44.860903][ T355] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 44.861100][ T355] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 44.861303][ T355] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 44.861564][ T355] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 44.861996][ T355] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 44.862194][ T355] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 44.862383][ T355] ? __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) [ 44.862605][ T355] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 44.862831][ T355] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 44.863079][ T355] RIP: 0033:0x7f290f8567b7 [ 44.863275][ T355] 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) [ 44.863947][ T355] RSP: 002b:00007fff67059338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 44.864237][ T355] RAX: ffffffffffffffda RBX: 00007fff67059a60 RCX: 00007f290f8567b7 [ 44.864529][ T355] RDX: 0000000000000000 RSI: 00007fff670593a0 RDI: 0000000000000005 [ 44.864804][ T355] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 44.865080][ T355] R10: 000000000c50c910 R11: 0000000000000246 R12: 0000000000000004 [ 44.865376][ T355] R13: 0000000066be9ad7 R14: 0000000000496600 R15: 0000000000000000 | [ 44.867661][ T355] 1 lock held by ip/355: | [ 44.867810][ T355] #0: ffffffff8ffbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 44.868185][ T355] | [ 44.868185][ T355] stack backtrace: [ 44.868740][ T355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 44.869162][ T355] Call Trace: [ 44.869307][ T355] [ 44.869415][ T355] dump_stack_lvl (lib/dump_stack.c:122) [ 44.869616][ T355] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 44.869819][ T355] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 44.870094][ T355] 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 [ 44.870376][ T355] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 44.870622][ T355] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 44.870881][ T355] br_add_if (net/bridge/br_if.c:692) bridge [ 44.871111][ T355] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 44.871321][ T355] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 44.871593][ T355] do_setlink (net/core/rtnetlink.c:2907) [ 44.871804][ T355] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 44.872010][ T355] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 44.872223][ T355] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 44.872637][ T355] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 44.872838][ T355] ? __kernel_text_address (kernel/extable.c:79) [ 44.873040][ T355] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 44.873433][ T355] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 44.873706][ T355] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 44.873936][ T355] ? stack_trace_save (kernel/stacktrace.c:123) [ 44.874124][ T355] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 44.874412][ T355] ? __pfx_validate_nla (lib/nlattr.c:396) [ 44.874616][ T355] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 44.874767][ T355] ? kasan_save_stack (mm/kasan/common.c:49) [ 44.875063][ T355] ? __nla_validate_parse (lib/nlattr.c:638) [ 44.875254][ T355] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 44.875455][ T355] ? 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) [ 44.875655][ T355] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 44.875848][ T355] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 44.876080][ T355] ? __create_object (mm/kmemleak.c:751) [ 44.876369][ T355] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 44.876579][ T355] rtnl_newlink (net/core/rtnetlink.c:3744) [ 44.876721][ T355] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 44.876909][ T355] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 44.877215][ T355] ? 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) [ 44.877417][ T355] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 44.877574][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 44.877761][ T355] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 44.877950][ T355] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 44.878256][ T355] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 44.878463][ T355] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 44.878668][ T355] ? 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) [ 44.878852][ T355] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 44.879146][ T355] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 44.879330][ T355] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 44.879529][ T355] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 44.879723][ T355] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 44.880007][ T355] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 44.880228][ T355] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 44.880419][ T355] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 44.880618][ T355] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 44.880801][ T355] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 44.881153][ T355] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 44.881349][ T355] ___sys_sendmsg (net/socket.c:2653) [ 44.881545][ T355] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 44.881743][ T355] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 44.881931][ T355] ? __lock_release (kernel/locking/lockdep.c:5435) [ 44.882231][ T355] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 44.882464][ T355] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 44.882659][ T355] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 44.882859][ T355] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 44.883093][ T355] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 44.883285][ T355] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 44.883474][ T355] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 44.883832][ T355] ? __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) [ 44.884040][ T355] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 44.884224][ T355] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 44.884449][ T355] RIP: 0033:0x7f290f8567b7 [ 44.884654][ T355] 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) [ 44.885425][ T355] RSP: 002b:00007fff67059338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 44.885715][ T355] RAX: ffffffffffffffda RBX: 00007fff67059a60 RCX: 00007f290f8567b7 [ 44.886013][ T355] RDX: 0000000000000000 RSI: 00007fff670593a0 RDI: 0000000000000005 [ 44.886291][ T355] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 44.886743][ T355] R10: 000000000c50c910 R11: 0000000000000246 R12: 0000000000000004 [ 44.887023][ T355] R13: 0000000066be9ad7 R14: 0000000000496600 R15: 0000000000000000 | [ 44.889598][ T355] 1 lock held by ip/355: | [ 44.889759][ T355] #0: ffffffff8ffbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 44.890715][ T355] | [ 44.890715][ T355] stack backtrace: [ 44.891241][ T355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 44.891697][ T355] Call Trace: [ 44.891866][ T355] [ 44.892080][ T355] dump_stack_lvl (lib/dump_stack.c:122) [ 44.892290][ T355] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 44.892498][ T355] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 44.892950][ T355] 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 [ 44.893276][ T355] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 44.893494][ T355] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 44.893981][ T355] br_add_if (net/bridge/br_if.c:692) bridge [ 44.894234][ T355] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 44.894468][ T355] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 44.894732][ T355] do_setlink (net/core/rtnetlink.c:2907) [ 44.895102][ T355] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 44.895315][ T355] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 44.895516][ T355] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 44.895708][ T355] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 44.896020][ T355] ? __kernel_text_address (kernel/extable.c:79) [ 44.896216][ T355] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 44.896415][ T355] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 44.896750][ T355] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 44.896952][ T355] ? stack_trace_save (kernel/stacktrace.c:123) [ 44.897160][ T355] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 44.897381][ T355] ? __pfx_validate_nla (lib/nlattr.c:396) [ 44.897586][ T355] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 44.897853][ T355] ? kasan_save_stack (mm/kasan/common.c:49) [ 44.898058][ T355] ? __nla_validate_parse (lib/nlattr.c:638) [ 44.898261][ T355] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 44.898477][ T355] ? 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) [ 44.898676][ T355] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 44.898993][ T355] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 44.899239][ T355] ? __create_object (mm/kmemleak.c:751) [ 44.899448][ T355] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 44.899655][ T355] rtnl_newlink (net/core/rtnetlink.c:3744) [ 44.899925][ T355] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 44.900140][ T355] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 44.900353][ T355] ? 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) [ 44.900567][ T355] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 44.900717][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 44.900906][ T355] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 44.901103][ T355] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 44.901294][ T355] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 44.901507][ T355] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 44.901895][ T355] ? 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) [ 44.902099][ T355] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 44.902299][ T355] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 44.902491][ T355] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 44.902707][ T355] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 44.902917][ T355] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 44.903128][ T355] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 44.903325][ T355] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 44.903540][ T355] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 44.903738][ T355] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 44.903939][ T355] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 44.904174][ T355] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 44.904389][ T355] ___sys_sendmsg (net/socket.c:2653) [ 44.904597][ T355] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 44.904805][ T355] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 44.905010][ T355] ? __lock_release (kernel/locking/lockdep.c:5435) [ 44.905389][ T355] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 44.905635][ T355] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 44.905832][ T355] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 44.906028][ T355] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 44.906384][ T355] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 44.906616][ T355] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 44.906804][ T355] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 44.906989][ T355] ? __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) [ 44.907297][ T355] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 44.907506][ T355] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 44.907764][ T355] RIP: 0033:0x7f290f8567b7 [ 44.907980][ T355] 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) [ 44.908832][ T355] RSP: 002b:00007fff67059338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 44.909174][ T355] RAX: ffffffffffffffda RBX: 00007fff67059a60 RCX: 00007f290f8567b7 [ 44.909625][ T355] RDX: 0000000000000000 RSI: 00007fff670593a0 RDI: 0000000000000005 [ 44.909924][ T355] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 44.910304][ T355] R10: 000000000c50c910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink