====================================== | [ 36.817352][ T337] 1 lock held by ip/337: | [ 36.818493][ T337] #0: ffffffffb9bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 36.818820][ T337] | [ 36.818820][ T337] stack backtrace: [ 36.819301][ T337] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.819675][ T337] Call Trace: [ 36.819816][ T337] [ 36.819906][ T337] dump_stack_lvl (lib/dump_stack.c:122) [ 36.820091][ T337] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 36.820261][ T337] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 36.820550][ T337] 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 [ 36.820849][ T337] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 36.821046][ T337] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.821261][ T337] br_add_if (net/bridge/br_if.c:692) bridge [ 36.821472][ T337] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 36.821648][ T337] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 36.821885][ T337] do_setlink (net/core/rtnetlink.c:2907) [ 36.822060][ T337] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 36.822249][ T337] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 36.822427][ T337] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 36.822596][ T337] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.822770][ T337] ? __kernel_text_address (kernel/extable.c:79) [ 36.822941][ T337] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 36.823113][ T337] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 36.823327][ T337] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 36.823513][ T337] ? stack_trace_save (kernel/stacktrace.c:123) [ 36.823688][ T337] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 36.823856][ T337] ? __pfx_validate_nla (lib/nlattr.c:396) [ 36.824026][ T337] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.824157][ T337] ? kasan_save_stack (mm/kasan/common.c:49) [ 36.824332][ T337] ? __nla_validate_parse (lib/nlattr.c:638) [ 36.824511][ T337] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 36.824687][ T337] ? 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) [ 36.824856][ T337] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 36.825038][ T337] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.825248][ T337] ? __create_object (mm/kmemleak.c:751) [ 36.825419][ T337] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 36.825600][ T337] rtnl_newlink (net/core/rtnetlink.c:3744) [ 36.825750][ T337] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 36.825921][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.826090][ T337] ? 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) [ 36.826254][ T337] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.826391][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 36.826565][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 36.826746][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.826920][ T337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 36.827103][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 36.827272][ T337] ? 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) [ 36.827461][ T337] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 36.827641][ T337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 36.827831][ T337] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.828020][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 36.828207][ T337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 36.828377][ T337] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 36.828567][ T337] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 36.828745][ T337] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 36.828923][ T337] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 36.829107][ T337] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 36.829318][ T337] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 36.829519][ T337] ___sys_sendmsg (net/socket.c:2653) [ 36.829693][ T337] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 36.829873][ T337] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.830043][ T337] ? __lock_release (kernel/locking/lockdep.c:5435) [ 36.830206][ T337] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 36.830422][ T337] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 36.830614][ T337] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 36.830793][ T337] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.831021][ T337] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 36.831198][ T337] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 36.831373][ T337] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 36.831547][ T337] ? __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) [ 36.831735][ T337] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 36.831919][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.832126][ T337] RIP: 0033:0x7f37556857b7 [ 36.832321][ T337] 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) [ 36.832927][ T337] RSP: 002b:00007fff01475668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.833190][ T337] RAX: ffffffffffffffda RBX: 00007fff01475d90 RCX: 00007f37556857b7 [ 36.833447][ T337] RDX: 0000000000000000 RSI: 00007fff014756d0 RDI: 0000000000000005 [ 36.833704][ T337] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 36.833961][ T337] R10: 000000000766b910 R11: 0000000000000246 R12: 0000000000000004 [ 36.834219][ T337] R13: 0000000066bea772 R14: 0000000000496600 R15: 0000000000000000 | [ 36.836733][ T337] 1 lock held by ip/337: | [ 36.836862][ T337] #0: ffffffffb9bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 36.837185][ T337] | [ 36.837185][ T337] stack backtrace: [ 36.837757][ T337] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.838128][ T337] Call Trace: [ 36.838259][ T337] [ 36.838347][ T337] dump_stack_lvl (lib/dump_stack.c:122) [ 36.838522][ T337] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 36.838697][ T337] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 36.838974][ T337] 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 [ 36.839214][ T337] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 36.839417][ T337] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.839628][ T337] br_add_if (net/bridge/br_if.c:692) bridge [ 36.839835][ T337] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 36.840005][ T337] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 36.840218][ T337] do_setlink (net/core/rtnetlink.c:2907) [ 36.840396][ T337] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 36.840575][ T337] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 36.840749][ T337] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 36.840917][ T337] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.841094][ T337] ? __kernel_text_address (kernel/extable.c:79) [ 36.841274][ T337] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 36.841442][ T337] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 36.841649][ T337] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 36.841826][ T337] ? stack_trace_save (kernel/stacktrace.c:123) [ 36.842006][ T337] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 36.842171][ T337] ? __pfx_validate_nla (lib/nlattr.c:396) [ 36.842350][ T337] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.842483][ T337] ? kasan_save_stack (mm/kasan/common.c:49) [ 36.842659][ T337] ? __nla_validate_parse (lib/nlattr.c:638) [ 36.842833][ T337] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 36.843015][ T337] ? 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) [ 36.843181][ T337] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 36.843351][ T337] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.843573][ T337] ? __create_object (mm/kmemleak.c:751) [ 36.843747][ T337] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 36.843918][ T337] rtnl_newlink (net/core/rtnetlink.c:3744) [ 36.844045][ T337] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 36.844230][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.844396][ T337] ? 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) [ 36.844567][ T337] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.844705][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 36.844872][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 36.845040][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.845214][ T337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 36.845403][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 36.845572][ T337] ? 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) [ 36.845754][ T337] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 36.845941][ T337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 36.846107][ T337] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.846276][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 36.846455][ T337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 36.846623][ T337] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 36.846791][ T337] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 36.846990][ T337] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 36.847165][ T337] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 36.847339][ T337] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 36.847542][ T337] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 36.847727][ T337] ___sys_sendmsg (net/socket.c:2653) [ 36.847895][ T337] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 36.848075][ T337] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.848242][ T337] ? __lock_release (kernel/locking/lockdep.c:5435) [ 36.848413][ T337] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 36.848623][ T337] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 36.848800][ T337] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 36.848978][ T337] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.849211][ T337] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 36.849395][ T337] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 36.849584][ T337] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 36.849759][ T337] ? __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) [ 36.849961][ T337] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 36.850143][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.850367][ T337] RIP: 0033:0x7f37556857b7 [ 36.850564][ T337] 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) [ 36.851181][ T337] RSP: 002b:00007fff01475668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.851457][ T337] RAX: ffffffffffffffda RBX: 00007fff01475d90 RCX: 00007f37556857b7 [ 36.851737][ T337] RDX: 0000000000000000 RSI: 00007fff014756d0 RDI: 0000000000000005 [ 36.852207][ T337] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 36.852488][ T337] R10: 000000000766b910 R11: 0000000000000246 R12: 0000000000000004 [ 36.852768][ T337] R13: 0000000066bea772 R14: 0000000000496600 R15: 0000000000000000 | [ 36.855507][ T337] 1 lock held by ip/337: | [ 36.855659][ T337] #0: ffffffffb9bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 36.856011][ T337] | [ 36.856011][ T337] stack backtrace: [ 36.856503][ T337] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.856894][ T337] Call Trace: [ 36.857043][ T337] [ 36.857236][ T337] dump_stack_lvl (lib/dump_stack.c:122) [ 36.857438][ T337] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 36.857614][ T337] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 36.857880][ T337] 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 [ 36.858239][ T337] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 36.858448][ T337] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.858678][ T337] br_add_if (net/bridge/br_if.c:692) bridge [ 36.858890][ T337] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 36.859174][ T337] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 36.859397][ T337] do_setlink (net/core/rtnetlink.c:2907) [ 36.859587][ T337] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 36.859769][ T337] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 36.860043][ T337] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 36.860236][ T337] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.860419][ T337] ? __kernel_text_address (kernel/extable.c:79) [ 36.860603][ T337] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 36.860877][ T337] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 36.861095][ T337] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 36.861288][ T337] ? stack_trace_save (kernel/stacktrace.c:123) [ 36.861466][ T337] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 36.861831][ T337] ? __pfx_validate_nla (lib/nlattr.c:396) [ 36.862008][ T337] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.862145][ T337] ? kasan_save_stack (mm/kasan/common.c:49) [ 36.862325][ T337] ? __nla_validate_parse (lib/nlattr.c:638) [ 36.862515][ T337] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 36.862794][ T337] ? 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) [ 36.862976][ T337] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 36.863155][ T337] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.863374][ T337] ? __create_object (mm/kmemleak.c:751) [ 36.863647][ T337] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 36.863829][ T337] rtnl_newlink (net/core/rtnetlink.c:3744) [ 36.863965][ T337] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 36.864156][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.864451][ T337] ? 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) [ 36.864628][ T337] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.864772][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 36.864960][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 36.865138][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.865316][ T337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 36.865511][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 36.865703][ T337] ? 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) [ 36.865890][ T337] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 36.866174][ T337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 36.866350][ T337] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.866538][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 36.866725][ T337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 36.866906][ T337] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 36.867093][ T337] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 36.867286][ T337] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 36.867476][ T337] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 36.867668][ T337] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 36.867984][ T337] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 36.868177][ T337] ___sys_sendmsg (net/socket.c:2653) [ 36.868361][ T337] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 36.868545][ T337] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.868829][ T337] ? __lock_release (kernel/locking/lockdep.c:5435) [ 36.869010][ T337] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 36.869246][ T337] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 36.869430][ T337] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 36.869714][ T337] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.869945][ T337] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 36.870136][ T337] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 36.870315][ T337] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 36.870600][ T337] ? __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) [ 36.870818][ T337] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 36.870996][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.871230][ T337] RIP: 0033:0x7f37556857b7 [ 36.871423][ T337] 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) [ 36.872158][ T337] RSP: 002b:00007fff01475668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.872439][ T337] RAX: ffffffffffffffda RBX: 00007fff01475d90 RCX: 00007f37556857b7 [ 36.872707][ T337] RDX: 0000000000000000 RSI: 00007fff014756d0 RDI: 0000000000000005 [ 36.873069][ T337] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 36.873342][ T337] R10: 000000000766b910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink