====================================== | [ 36.098416][ T332] 1 lock held by ip/332: | [ 36.098649][ T332] #0: ffffffff8e9bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 36.099167][ T332] | [ 36.099167][ T332] stack backtrace: [ 36.099944][ T332] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.100543][ T332] Call Trace: [ 36.100762][ T332] [ 36.100911][ T332] dump_stack_lvl (lib/dump_stack.c:122) [ 36.101189][ T332] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 36.101460][ T332] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 36.101900][ T332] 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 [ 36.102295][ T332] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 36.102634][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.102984][ T332] br_add_if (net/bridge/br_if.c:692) bridge [ 36.103320][ T332] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 36.103571][ T332] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 36.103908][ T332] do_setlink (net/core/rtnetlink.c:2907) [ 36.104192][ T332] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 36.104477][ T332] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 36.104766][ T332] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 36.105031][ T332] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.105297][ T332] ? __kernel_text_address (kernel/extable.c:79) [ 36.105573][ T332] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 36.105829][ T332] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 36.106181][ T332] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 36.106483][ T332] ? stack_trace_save (kernel/stacktrace.c:123) [ 36.106747][ T332] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 36.107029][ T332] ? __pfx_validate_nla (lib/nlattr.c:396) [ 36.107315][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.107678][ T332] ? kasan_save_stack (mm/kasan/common.c:49) [ 36.107954][ T332] ? __nla_validate_parse (lib/nlattr.c:638) [ 36.108232][ T332] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 36.108525][ T332] ? 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) [ 36.108818][ T332] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 36.109102][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.109445][ T332] ? __create_object (mm/kmemleak.c:751) [ 36.109708][ T332] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 36.109994][ T332] rtnl_newlink (net/core/rtnetlink.c:3744) [ 36.110203][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 36.110488][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.110769][ T332] ? 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) [ 36.111036][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.111255][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 36.111525][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 36.111792][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.112079][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 36.112391][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 36.112664][ T332] ? 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) [ 36.112950][ T332] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 36.113222][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 36.113499][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.113777][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 36.114075][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 36.114353][ T332] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 36.114635][ T332] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 36.114938][ T332] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 36.115210][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 36.115493][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 36.115835][ T332] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 36.116134][ T332] ___sys_sendmsg (net/socket.c:2653) [ 36.116423][ T332] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 36.116691][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.116967][ T332] ? __lock_release (kernel/locking/lockdep.c:5435) [ 36.117230][ T332] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 36.117561][ T332] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 36.117855][ T332] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 36.118157][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.118486][ T332] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 36.118770][ T332] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 36.119049][ T332] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 36.119300][ T332] ? __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) [ 36.119582][ T332] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 36.119836][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.120153][ T332] RIP: 0033:0x7f1e1b9477b7 [ 36.120409][ T332] 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) [ 36.121280][ T332] RSP: 002b:00007ffce8fa65b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.121652][ T332] RAX: ffffffffffffffda RBX: 00007ffce8fa6ce0 RCX: 00007f1e1b9477b7 [ 36.122059][ T332] RDX: 0000000000000000 RSI: 00007ffce8fa6620 RDI: 0000000000000005 [ 36.122486][ T332] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 36.122907][ T332] R10: 00000000022d4910 R11: 0000000000000246 R12: 0000000000000004 [ 36.123341][ T332] R13: 0000000066bea136 R14: 0000000000496600 R15: 0000000000000000 | [ 36.126555][ T332] 1 lock held by ip/332: | [ 36.126774][ T332] #0: ffffffff8e9bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 36.127263][ T332] | [ 36.127263][ T332] stack backtrace: [ 36.128019][ T332] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.128625][ T332] Call Trace: [ 36.128816][ T332] [ 36.128964][ T332] dump_stack_lvl (lib/dump_stack.c:122) [ 36.129252][ T332] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 36.129531][ T332] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 36.129946][ T332] 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 [ 36.130349][ T332] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 36.130657][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.130997][ T332] br_add_if (net/bridge/br_if.c:692) bridge [ 36.131340][ T332] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 36.131623][ T332] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 36.131961][ T332] do_setlink (net/core/rtnetlink.c:2907) [ 36.132242][ T332] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 36.132507][ T332] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 36.132783][ T332] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 36.133058][ T332] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.133341][ T332] ? __kernel_text_address (kernel/extable.c:79) [ 36.133606][ T332] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 36.133876][ T332] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 36.134234][ T332] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 36.134543][ T332] ? stack_trace_save (kernel/stacktrace.c:123) [ 36.134850][ T332] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 36.135114][ T332] ? __pfx_validate_nla (lib/nlattr.c:396) [ 36.135392][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.135597][ T332] ? kasan_save_stack (mm/kasan/common.c:49) [ 36.135879][ T332] ? __nla_validate_parse (lib/nlattr.c:638) [ 36.136170][ T332] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 36.136448][ T332] ? 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) [ 36.136721][ T332] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 36.136995][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.137339][ T332] ? __create_object (mm/kmemleak.c:751) [ 36.137615][ T332] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 36.137888][ T332] rtnl_newlink (net/core/rtnetlink.c:3744) [ 36.138101][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 36.138379][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.138641][ T332] ? 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) [ 36.138908][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.139123][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 36.139409][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 36.139692][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.139955][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 36.140268][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 36.140542][ T332] ? 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) [ 36.140831][ T332] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 36.141101][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 36.141381][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.141663][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 36.141943][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 36.142208][ T332] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 36.142483][ T332] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 36.142756][ T332] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 36.143048][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 36.143319][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 36.143655][ T332] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 36.143944][ T332] ___sys_sendmsg (net/socket.c:2653) [ 36.144251][ T332] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 36.144526][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.144830][ T332] ? __lock_release (kernel/locking/lockdep.c:5435) [ 36.145110][ T332] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 36.145449][ T332] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 36.145722][ T332] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 36.146004][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.146357][ T332] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 36.146652][ T332] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 36.146931][ T332] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 36.147214][ T332] ? __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) [ 36.147536][ T332] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 36.147814][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.148157][ T332] RIP: 0033:0x7f1e1b9477b7 [ 36.148437][ T332] 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) [ 36.149361][ T332] RSP: 002b:00007ffce8fa65b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.149736][ T332] RAX: ffffffffffffffda RBX: 00007ffce8fa6ce0 RCX: 00007f1e1b9477b7 [ 36.150140][ T332] RDX: 0000000000000000 RSI: 00007ffce8fa6620 RDI: 0000000000000005 [ 36.150577][ T332] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 36.150997][ T332] R10: 00000000022d4910 R11: 0000000000000246 R12: 0000000000000004 [ 36.151416][ T332] R13: 0000000066bea136 R14: 0000000000496600 R15: 0000000000000000 | [ 36.154487][ T332] 1 lock held by ip/332: | [ 36.154704][ T332] #0: ffffffff8e9bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 36.155185][ T332] | [ 36.155185][ T332] stack backtrace: [ 36.155869][ T332] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.156429][ T332] Call Trace: [ 36.156634][ T332] [ 36.156762][ T332] dump_stack_lvl (lib/dump_stack.c:122) [ 36.157048][ T332] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 36.157331][ T332] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 36.157704][ T332] 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 [ 36.157963][ T332] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 36.158170][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.158382][ T332] br_add_if (net/bridge/br_if.c:692) bridge [ 36.158595][ T332] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 36.158766][ T332] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 36.159035][ T332] do_setlink (net/core/rtnetlink.c:2907) [ 36.159327][ T332] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 36.159611][ T332] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 36.159880][ T332] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 36.160062][ T332] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.160399][ T332] ? __kernel_text_address (kernel/extable.c:79) [ 36.160571][ T332] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 36.160737][ T332] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 36.160958][ T332] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 36.161237][ T332] ? stack_trace_save (kernel/stacktrace.c:123) [ 36.161404][ T332] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 36.161572][ T332] ? __pfx_validate_nla (lib/nlattr.c:396) [ 36.161737][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.161874][ T332] ? kasan_save_stack (mm/kasan/common.c:49) [ 36.162159][ T332] ? __nla_validate_parse (lib/nlattr.c:638) [ 36.162331][ T332] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 36.162505][ T332] ? 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) [ 36.162674][ T332] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 36.163048][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.163260][ T332] ? __create_object (mm/kmemleak.c:751) [ 36.163428][ T332] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 36.163605][ T332] rtnl_newlink (net/core/rtnetlink.c:3744) [ 36.163832][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 36.164013][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.164184][ T332] ? 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) [ 36.164350][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.164484][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 36.164764][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 36.164948][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.165118][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 36.165312][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 36.165585][ T332] ? 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) [ 36.165754][ T332] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 36.165942][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 36.166205][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.166481][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 36.166655][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 36.166821][ T332] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 36.167023][ T332] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 36.167200][ T332] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 36.167368][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 36.167533][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 36.167737][ T332] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 36.167927][ T332] ___sys_sendmsg (net/socket.c:2653) [ 36.168207][ T332] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 36.168377][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.168549][ T332] ? __lock_release (kernel/locking/lockdep.c:5435) [ 36.168715][ T332] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 36.169029][ T332] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 36.169199][ T332] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 36.169373][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.169591][ T332] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 36.169861][ T332] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 36.170035][ T332] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 36.170207][ T332] ? __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) [ 36.170408][ T332] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 36.170680][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.170885][ T332] RIP: 0033:0x7f1e1b9477b7 [ 36.171071][ T332] 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) [ 36.171663][ T332] RSP: 002b:00007ffce8fa65b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.171922][ T332] RAX: ffffffffffffffda RBX: 00007ffce8fa6ce0 RCX: 00007f1e1b9477b7 [ 36.172273][ T332] RDX: 0000000000000000 RSI: 00007ffce8fa6620 RDI: 0000000000000005 [ 36.172530][ T332] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 36.172774][ T332] R10: 00000000022d4910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink