====================================== | [ 33.577218][ T311] 1 lock held by ip/311: | [ 33.577378][ T311] #0: ffffffff8e7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 33.577685][ T311] | [ 33.577685][ T311] stack backtrace: [ 33.578138][ T311] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.578520][ T311] Call Trace: [ 33.578652][ T311] [ 33.578740][ T311] dump_stack_lvl (lib/dump_stack.c:122) [ 33.578912][ T311] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 33.579080][ T311] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 33.579365][ T311] 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 [ 33.579605][ T311] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 33.579803][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.580010][ T311] br_add_if (net/bridge/br_if.c:692) bridge [ 33.580217][ T311] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 33.580380][ T311] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 33.580589][ T311] do_setlink (net/core/rtnetlink.c:2907) [ 33.580757][ T311] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 33.580926][ T311] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 33.581091][ T311] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 33.581268][ T311] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 33.581456][ T311] ? __kernel_text_address (kernel/extable.c:79) [ 33.581624][ T311] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 33.581789][ T311] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 33.581995][ T311] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 33.582175][ T311] ? stack_trace_save (kernel/stacktrace.c:123) [ 33.582342][ T311] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 33.582522][ T311] ? __pfx_validate_nla (lib/nlattr.c:396) [ 33.582698][ T311] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.582829][ T311] ? kasan_save_stack (mm/kasan/common.c:49) [ 33.583003][ T311] ? __nla_validate_parse (lib/nlattr.c:638) [ 33.583175][ T311] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 33.583349][ T311] ? 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) [ 33.583515][ T311] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 33.583689][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.583899][ T311] ? __create_object (mm/kmemleak.c:751) [ 33.584072][ T311] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 33.584246][ T311] rtnl_newlink (net/core/rtnetlink.c:3744) [ 33.584376][ T311] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 33.584545][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.584711][ T311] ? 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) [ 33.584876][ T311] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.585008][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 33.585180][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 33.585370][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.585544][ T311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 33.585726][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 33.585894][ T311] ? 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) [ 33.586063][ T311] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 33.586235][ T311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 33.586403][ T311] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.586575][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 33.586748][ T311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 33.586914][ T311] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 33.587087][ T311] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 33.587264][ T311] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 33.587435][ T311] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 33.587601][ T311] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 33.587808][ T311] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 33.587987][ T311] ___sys_sendmsg (net/socket.c:2653) [ 33.588158][ T311] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 33.588329][ T311] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.588514][ T311] ? __lock_release (kernel/locking/lockdep.c:5435) [ 33.588683][ T311] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 33.588893][ T311] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 33.589062][ T311] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 33.589236][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.589469][ T311] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 33.589646][ T311] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 33.589814][ T311] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 33.589979][ T311] ? __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) [ 33.590166][ T311] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 33.590339][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 33.590545][ T311] RIP: 0033:0x7f919dc5d7b7 [ 33.590720][ T311] 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) [ 33.591293][ T311] RSP: 002b:00007ffdffabfc88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.591541][ T311] RAX: ffffffffffffffda RBX: 00007ffdffac03b0 RCX: 00007f919dc5d7b7 [ 33.591788][ T311] RDX: 0000000000000000 RSI: 00007ffdffabfcf0 RDI: 0000000000000005 [ 33.592041][ T311] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 33.592293][ T311] R10: 00000000229b4910 R11: 0000000000000246 R12: 0000000000000004 [ 33.592542][ T311] R13: 0000000066bea62b R14: 0000000000496600 R15: 0000000000000000 | [ 33.595516][ T311] 1 lock held by ip/311: | [ 33.595645][ T311] #0: ffffffff8e7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 33.595949][ T311] | [ 33.595949][ T311] stack backtrace: [ 33.596399][ T311] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.596758][ T311] Call Trace: [ 33.596884][ T311] [ 33.596976][ T311] dump_stack_lvl (lib/dump_stack.c:122) [ 33.597147][ T311] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 33.597336][ T311] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 33.597587][ T311] 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 [ 33.597831][ T311] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 33.598029][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.598237][ T311] br_add_if (net/bridge/br_if.c:692) bridge [ 33.598454][ T311] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 33.598624][ T311] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 33.598836][ T311] do_setlink (net/core/rtnetlink.c:2907) [ 33.599004][ T311] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 33.599172][ T311] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 33.599359][ T311] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 33.599525][ T311] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 33.599693][ T311] ? __kernel_text_address (kernel/extable.c:79) [ 33.599862][ T311] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 33.600029][ T311] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 33.600236][ T311] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 33.600420][ T311] ? stack_trace_save (kernel/stacktrace.c:123) [ 33.600589][ T311] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 33.600759][ T311] ? __pfx_validate_nla (lib/nlattr.c:396) [ 33.600925][ T311] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.601056][ T311] ? kasan_save_stack (mm/kasan/common.c:49) [ 33.601235][ T311] ? __nla_validate_parse (lib/nlattr.c:638) [ 33.601427][ T311] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 33.601609][ T311] ? 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) [ 33.601778][ T311] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 33.601951][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.602160][ T311] ? __create_object (mm/kmemleak.c:751) [ 33.602331][ T311] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 33.602504][ T311] rtnl_newlink (net/core/rtnetlink.c:3744) [ 33.602632][ T311] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 33.602805][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.602974][ T311] ? 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) [ 33.603140][ T311] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.603270][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 33.603438][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 33.603603][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.603777][ T311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 33.603958][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 33.604126][ T311] ? 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) [ 33.604292][ T311] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 33.604463][ T311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 33.604629][ T311] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.604798][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 33.604970][ T311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 33.605134][ T311] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 33.605326][ T311] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 33.605501][ T311] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 33.605669][ T311] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 33.605834][ T311] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 33.606041][ T311] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 33.606216][ T311] ___sys_sendmsg (net/socket.c:2653) [ 33.606384][ T311] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 33.606552][ T311] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.606718][ T311] ? __lock_release (kernel/locking/lockdep.c:5435) [ 33.606884][ T311] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 33.607091][ T311] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 33.607260][ T311] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 33.607430][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.607634][ T311] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 33.607808][ T311] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 33.607976][ T311] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 33.608139][ T311] ? __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) [ 33.608330][ T311] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 33.608514][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 33.608724][ T311] RIP: 0033:0x7f919dc5d7b7 [ 33.609050][ T311] 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) [ 33.609743][ T311] RSP: 002b:00007ffdffabfc88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.609999][ T311] RAX: ffffffffffffffda RBX: 00007ffdffac03b0 RCX: 00007f919dc5d7b7 [ 33.610243][ T311] RDX: 0000000000000000 RSI: 00007ffdffabfcf0 RDI: 0000000000000005 [ 33.610585][ T311] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 33.610834][ T311] R10: 00000000229b4910 R11: 0000000000000246 R12: 0000000000000004 [ 33.611079][ T311] R13: 0000000066bea62b R14: 0000000000496600 R15: 0000000000000000 | [ 33.613410][ T311] 1 lock held by ip/311: | [ 33.613536][ T311] #0: ffffffff8e7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 33.613930][ T311] | [ 33.613930][ T311] stack backtrace: [ 33.614381][ T311] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.614838][ T311] Call Trace: [ 33.614964][ T311] [ 33.615052][ T311] dump_stack_lvl (lib/dump_stack.c:122) [ 33.615223][ T311] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 33.615483][ T311] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 33.615728][ T311] 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 [ 33.615975][ T311] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 33.616169][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.616478][ T311] br_add_if (net/bridge/br_if.c:692) bridge [ 33.616674][ T311] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 33.616837][ T311] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 33.617048][ T311] do_setlink (net/core/rtnetlink.c:2907) [ 33.617219][ T311] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 33.617408][ T311] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 33.617580][ T311] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 33.617743][ T311] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 33.618005][ T311] ? __kernel_text_address (kernel/extable.c:79) [ 33.618169][ T311] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 33.618337][ T311] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 33.618557][ T311] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 33.618829][ T311] ? stack_trace_save (kernel/stacktrace.c:123) [ 33.618993][ T311] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 33.619156][ T311] ? __pfx_validate_nla (lib/nlattr.c:396) [ 33.619321][ T311] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.619550][ T311] ? kasan_save_stack (mm/kasan/common.c:49) [ 33.619719][ T311] ? __nla_validate_parse (lib/nlattr.c:638) [ 33.619890][ T311] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 33.620060][ T311] ? 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) [ 33.620272][ T311] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 33.620544][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.620751][ T311] ? __create_object (mm/kmemleak.c:751) [ 33.620950][ T311] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 33.621121][ T311] rtnl_newlink (net/core/rtnetlink.c:3744) [ 33.621248][ T311] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 33.621438][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.621602][ T311] ? 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) [ 33.621770][ T311] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.621993][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 33.622174][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 33.622338][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.622506][ T311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 33.622686][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 33.622946][ T311] ? 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) [ 33.623113][ T311] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 33.623291][ T311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 33.623457][ T311] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.623723][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 33.623895][ T311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 33.624057][ T311] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 33.624224][ T311] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 33.624492][ T311] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 33.624661][ T311] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 33.624841][ T311] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 33.625043][ T311] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 33.625440][ T311] ___sys_sendmsg (net/socket.c:2653) [ 33.625608][ T311] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 33.625773][ T311] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.625944][ T311] ? __lock_release (kernel/locking/lockdep.c:5435) [ 33.626105][ T311] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 33.626308][ T311] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 33.626480][ T311] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 33.626649][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.626990][ T311] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 33.627164][ T311] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 33.627329][ T311] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 33.627490][ T311] ? __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) [ 33.627768][ T311] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 33.627934][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 33.628141][ T311] RIP: 0033:0x7f919dc5d7b7 [ 33.628324][ T311] 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) [ 33.628998][ T311] RSP: 002b:00007ffdffabfc88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.629259][ T311] RAX: ffffffffffffffda RBX: 00007ffdffac03b0 RCX: 00007f919dc5d7b7 [ 33.629630][ T311] RDX: 0000000000000000 RSI: 00007ffdffabfcf0 RDI: 0000000000000005 [ 33.629878][ T311] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 33.630129][ T311] R10: 00000000229b4910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink