====================================== | [ 36.951075][ T291] 1 lock held by ip/291: | [ 36.951206][ T291] #0: ffffffffaf1bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 36.951581][ T291] | [ 36.951581][ T291] stack backtrace: [ 36.952091][ T291] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.952497][ T291] Call Trace: [ 36.952658][ T291] [ 36.952760][ T291] dump_stack_lvl (lib/dump_stack.c:122) [ 36.952950][ T291] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 36.953277][ T291] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 36.953585][ T291] br_get_link_af_size_filtered (net/bridge/br_private.h:930 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) bridge [ 36.953850][ T291] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 36.954067][ T291] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.954297][ T291] br_add_if (net/bridge/br_if.c:692) bridge [ 36.954532][ T291] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 36.954716][ T291] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 36.954943][ T291] do_setlink (net/core/rtnetlink.c:2907) [ 36.955139][ T291] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 36.955320][ T291] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 36.955518][ T291] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 36.955706][ T291] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.955882][ T291] ? __kernel_text_address (kernel/extable.c:79) [ 36.956053][ T291] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 36.956243][ T291] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 36.956468][ T291] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 36.956674][ T291] ? stack_trace_save (kernel/stacktrace.c:123) [ 36.956855][ T291] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 36.957038][ T291] ? __pfx_validate_nla (lib/nlattr.c:396) [ 36.957219][ T291] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.957358][ T291] ? kasan_save_stack (mm/kasan/common.c:49) [ 36.957573][ T291] ? __nla_validate_parse (lib/nlattr.c:638) [ 36.957785][ T291] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 36.957982][ T291] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) [ 36.958187][ T291] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 36.958372][ T291] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.958619][ T291] ? __create_object (mm/kmemleak.c:751) [ 36.958793][ T291] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 36.958968][ T291] rtnl_newlink (net/core/rtnetlink.c:3744) [ 36.959103][ T291] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 36.959283][ T291] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.959457][ T291] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) [ 36.959622][ T291] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.959754][ T291] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 36.959930][ T291] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 36.960107][ T291] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.960278][ T291] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 36.960464][ T291] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 36.960632][ T291] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 36.960824][ T291] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 36.961008][ T291] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 36.961187][ T291] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.961366][ T291] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 36.961541][ T291] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 36.961716][ T291] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 36.961894][ T291] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 36.962088][ T291] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 36.962263][ T291] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 36.962470][ T291] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 36.962690][ T291] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 36.962872][ T291] ___sys_sendmsg (net/socket.c:2653) [ 36.963056][ T291] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 36.963239][ T291] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.963414][ T291] ? __lock_release (kernel/locking/lockdep.c:5435) [ 36.963589][ T291] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 36.963809][ T291] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 36.963992][ T291] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 36.964189][ T291] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.964405][ T291] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 36.964758][ T291] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 36.964936][ T291] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 36.965107][ T291] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65) [ 36.965300][ T291] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 36.965485][ T291] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.965808][ T291] RIP: 0033:0x7f2aa690d7b7 [ 36.965980][ T291] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0a 00 or (%rax),%al 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 36.966689][ T291] RSP: 002b:00007ffc369611a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.966960][ T291] RAX: ffffffffffffffda RBX: 00007ffc369618d0 RCX: 00007f2aa690d7b7 [ 36.967222][ T291] RDX: 0000000000000000 RSI: 00007ffc36961210 RDI: 0000000000000005 [ 36.967477][ T291] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 36.967733][ T291] R10: 000000000c381910 R11: 0000000000000246 R12: 0000000000000004 [ 36.968112][ T291] R13: 0000000066be9ce9 R14: 0000000000496600 R15: 0000000000000000 | [ 36.970389][ T291] 1 lock held by ip/291: | [ 36.970543][ T291] #0: ffffffffaf1bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 36.970989][ T291] | [ 36.970989][ T291] stack backtrace: [ 36.971494][ T291] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.972008][ T291] Call Trace: [ 36.972145][ T291] [ 36.972236][ T291] dump_stack_lvl (lib/dump_stack.c:122) [ 36.972416][ T291] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 36.972702][ T291] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 36.972971][ T291] br_get_link_af_size_filtered (net/bridge/br_private.h:453 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) bridge [ 36.973241][ T291] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 36.973479][ T291] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.973697][ T291] br_add_if (net/bridge/br_if.c:692) bridge [ 36.974005][ T291] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 36.974194][ T291] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 36.974433][ T291] do_setlink (net/core/rtnetlink.c:2907) [ 36.974627][ T291] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 36.974922][ T291] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 36.975109][ T291] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 36.975292][ T291] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.975500][ T291] ? __kernel_text_address (kernel/extable.c:79) [ 36.975712][ T291] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 36.975999][ T291] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 36.976226][ T291] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 36.976428][ T291] ? stack_trace_save (kernel/stacktrace.c:123) [ 36.976613][ T291] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 36.976906][ T291] ? __pfx_validate_nla (lib/nlattr.c:396) [ 36.977096][ T291] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.977241][ T291] ? kasan_save_stack (mm/kasan/common.c:49) [ 36.977442][ T291] ? __nla_validate_parse (lib/nlattr.c:638) [ 36.977641][ T291] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 36.977837][ T291] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) [ 36.978129][ T291] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 36.978319][ T291] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.978549][ T291] ? __create_object (mm/kmemleak.c:751) [ 36.978746][ T291] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 36.979046][ T291] rtnl_newlink (net/core/rtnetlink.c:3744) [ 36.979290][ T291] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 36.979490][ T291] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.979679][ T291] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) [ 36.979865][ T291] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.980009][ T291] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 36.980297][ T291] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 36.980495][ T291] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.980689][ T291] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 36.980908][ T291] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 36.981268][ T291] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 36.981496][ T291] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 36.981831][ T291] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 36.982133][ T291] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.982427][ T291] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 36.982863][ T291] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 36.983111][ T291] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 36.983384][ T291] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 36.983668][ T291] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 36.983937][ T291] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 36.984216][ T291] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 36.984565][ T291] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 36.984886][ T291] ___sys_sendmsg (net/socket.c:2653) [ 36.985158][ T291] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 36.985433][ T291] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.985714][ T291] ? __lock_release (kernel/locking/lockdep.c:5435) [ 36.986152][ T291] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 36.986485][ T291] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 36.986761][ T291] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 36.987044][ T291] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.987547][ T291] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 36.987831][ T291] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 36.988125][ T291] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 36.988407][ T291] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65) [ 36.988890][ T291] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 36.989182][ T291] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.989509][ T291] RIP: 0033:0x7f2aa690d7b7 [ 36.989971][ T291] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0a 00 or (%rax),%al 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 36.990908][ T291] RSP: 002b:00007ffc369611a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.991482][ T291] RAX: ffffffffffffffda RBX: 00007ffc369618d0 RCX: 00007f2aa690d7b7 [ 36.991890][ T291] RDX: 0000000000000000 RSI: 00007ffc36961210 RDI: 0000000000000005 [ 36.992456][ T291] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 36.993022][ T291] R10: 000000000c381910 R11: 0000000000000246 R12: 0000000000000004 [ 36.993418][ T291] R13: 0000000066be9ce9 R14: 0000000000496600 R15: 0000000000000000 | [ 36.997177][ T291] 1 lock held by ip/291: | [ 36.997389][ T291] #0: ffffffffaf1bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 36.997906][ T291] | [ 36.997906][ T291] stack backtrace: [ 36.998726][ T291] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.999466][ T291] Call Trace: [ 36.999694][ T291] [ 36.999804][ T291] dump_stack_lvl (lib/dump_stack.c:122) [ 36.999990][ T291] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 37.000160][ T291] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 37.000519][ T291] 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 [ 37.000763][ T291] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 37.001006][ T291] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 37.001248][ T291] br_add_if (net/bridge/br_if.c:692) bridge [ 37.001563][ T291] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 37.001736][ T291] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 37.001969][ T291] do_setlink (net/core/rtnetlink.c:2907) [ 37.002131][ T291] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 37.002414][ T291] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 37.002590][ T291] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 37.002760][ T291] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 37.002964][ T291] ? __kernel_text_address (kernel/extable.c:79) [ 37.003133][ T291] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 37.003419][ T291] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 37.003695][ T291] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 37.003888][ T291] ? stack_trace_save (kernel/stacktrace.c:123) [ 37.004075][ T291] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 37.004254][ T291] ? __pfx_validate_nla (lib/nlattr.c:396) [ 37.004429][ T291] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 37.004693][ T291] ? kasan_save_stack (mm/kasan/common.c:49) [ 37.004869][ T291] ? __nla_validate_parse (lib/nlattr.c:638) [ 37.005050][ T291] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 37.005226][ T291] ? 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) [ 37.005396][ T291] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 37.005590][ T291] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 37.005900][ T291] ? __create_object (mm/kmemleak.c:751) [ 37.006087][ T291] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 37.006259][ T291] rtnl_newlink (net/core/rtnetlink.c:3744) [ 37.006391][ T291] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 37.006670][ T291] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 37.006838][ T291] ? 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) [ 37.007005][ T291] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 37.007145][ T291] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 37.007320][ T291] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 37.007604][ T291] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 37.007779][ T291] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 37.008023][ T291] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 37.008195][ T291] ? 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) [ 37.008469][ T291] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 37.008743][ T291] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 37.008916][ T291] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 37.009089][ T291] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 37.009359][ T291] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 37.009536][ T291] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 37.009714][ T291] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 37.009896][ T291] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 37.010069][ T291] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 37.010236][ T291] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 37.010466][ T291] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 37.010646][ T291] ___sys_sendmsg (net/socket.c:2653) [ 37.010871][ T291] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 37.011071][ T291] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 37.011242][ T291] ? __lock_release (kernel/locking/lockdep.c:5435) [ 37.011569][ T291] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 37.011800][ T291] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 37.011972][ T291] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 37.012152][ T291] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 37.012365][ T291] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 37.012569][ T291] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 37.012735][ T291] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 37.012931][ T291] ? __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) [ 37.013120][ T291] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 37.013293][ T291] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 37.013514][ T291] RIP: 0033:0x7f2aa690d7b7 [ 37.013689][ T291] 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) [ 37.014434][ T291] RSP: 002b:00007ffc369611a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 37.014780][ T291] RAX: ffffffffffffffda RBX: 00007ffc369618d0 RCX: 00007f2aa690d7b7 [ 37.015392][ T291] RDX: 0000000000000000 RSI: 00007ffc36961210 RDI: 0000000000000005 [ 37.015797][ T291] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 37.016159][ T291] R10: 000000000c381910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink