====================================== | [ 30.817208][ T292] 1 lock held by ip/292: | [ 30.817347][ T292] #0: ffffffffbb1bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 30.817649][ T292] | [ 30.817649][ T292] stack backtrace: [ 30.818098][ T292] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 30.818466][ T292] Call Trace: [ 30.818595][ T292] [ 30.818685][ T292] dump_stack_lvl (lib/dump_stack.c:122) [ 30.818858][ T292] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 30.819025][ T292] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 30.819281][ T292] 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 [ 30.819528][ T292] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 30.819728][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 30.819939][ T292] br_add_if (net/bridge/br_if.c:692) bridge [ 30.820137][ T292] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 30.820309][ T292] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 30.820522][ T292] do_setlink (net/core/rtnetlink.c:2907) [ 30.820692][ T292] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 30.820862][ T292] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 30.821027][ T292] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 30.821199][ T292] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 30.821373][ T292] ? __kernel_text_address (kernel/extable.c:79) [ 30.821537][ T292] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 30.821705][ T292] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 30.821914][ T292] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 30.822095][ T292] ? stack_trace_save (kernel/stacktrace.c:123) [ 30.822262][ T292] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 30.822435][ T292] ? __pfx_validate_nla (lib/nlattr.c:396) [ 30.822603][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 30.822731][ T292] ? kasan_save_stack (mm/kasan/common.c:49) [ 30.822903][ T292] ? __nla_validate_parse (lib/nlattr.c:638) [ 30.823073][ T292] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 30.823246][ T292] ? 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) [ 30.823415][ T292] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 30.823589][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 30.823798][ T292] ? __create_object (mm/kmemleak.c:751) [ 30.823971][ T292] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 30.824148][ T292] rtnl_newlink (net/core/rtnetlink.c:3744) [ 30.824275][ T292] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 30.824441][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 30.824613][ T292] ? 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) [ 30.824776][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 30.824906][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 30.825079][ T292] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 30.825245][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 30.825416][ T292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 30.825602][ T292] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 30.825775][ T292] ? 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) [ 30.825943][ T292] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 30.826112][ T292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 30.826284][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 30.826457][ T292] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 30.826627][ T292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 30.826792][ T292] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 30.826963][ T292] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 30.827155][ T292] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 30.827325][ T292] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 30.827496][ T292] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 30.827705][ T292] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 30.827886][ T292] ___sys_sendmsg (net/socket.c:2653) [ 30.828063][ T292] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 30.828227][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 30.828401][ T292] ? __lock_release (kernel/locking/lockdep.c:5435) [ 30.828570][ T292] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 30.828779][ T292] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 30.828949][ T292] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 30.829120][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 30.829333][ T292] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 30.829508][ T292] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 30.829680][ T292] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 30.829857][ T292] ? __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) [ 30.830044][ T292] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 30.830212][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 30.830419][ T292] RIP: 0033:0x7fefa02157b7 [ 30.830596][ T292] 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) [ 30.831172][ T292] RSP: 002b:00007ffff5ae9168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 30.831425][ T292] RAX: ffffffffffffffda RBX: 00007ffff5ae9890 RCX: 00007fefa02157b7 [ 30.831681][ T292] RDX: 0000000000000000 RSI: 00007ffff5ae91d0 RDI: 0000000000000005 [ 30.831936][ T292] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 30.832179][ T292] R10: 0000000020ec6910 R11: 0000000000000246 R12: 0000000000000004 [ 30.832431][ T292] R13: 0000000066bea58d R14: 0000000000496600 R15: 0000000000000000 | [ 30.834431][ T292] 1 lock held by ip/292: | [ 30.834561][ T292] #0: ffffffffbb1bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 30.834867][ T292] | [ 30.834867][ T292] stack backtrace: [ 30.835314][ T292] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 30.835682][ T292] Call Trace: [ 30.835817][ T292] [ 30.835907][ T292] dump_stack_lvl (lib/dump_stack.c:122) [ 30.836078][ T292] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 30.836238][ T292] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 30.836483][ T292] 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 [ 30.836721][ T292] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 30.836917][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 30.837137][ T292] br_add_if (net/bridge/br_if.c:692) bridge [ 30.837335][ T292] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 30.837515][ T292] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 30.837723][ T292] do_setlink (net/core/rtnetlink.c:2907) [ 30.837891][ T292] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 30.838067][ T292] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 30.838234][ T292] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 30.838405][ T292] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 30.838579][ T292] ? __kernel_text_address (kernel/extable.c:79) [ 30.838745][ T292] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 30.838921][ T292] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 30.839124][ T292] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 30.839307][ T292] ? stack_trace_save (kernel/stacktrace.c:123) [ 30.839472][ T292] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 30.839791][ T292] ? __pfx_validate_nla (lib/nlattr.c:396) [ 30.839962][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 30.840091][ T292] ? kasan_save_stack (mm/kasan/common.c:49) [ 30.840266][ T292] ? __nla_validate_parse (lib/nlattr.c:638) [ 30.840441][ T292] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 30.840618][ T292] ? 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) [ 30.840885][ T292] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 30.841062][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 30.841275][ T292] ? __create_object (mm/kmemleak.c:751) [ 30.841445][ T292] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 30.841627][ T292] rtnl_newlink (net/core/rtnetlink.c:3744) [ 30.841757][ T292] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 30.842032][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 30.842202][ T292] ? 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) [ 30.842369][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 30.842508][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 30.842678][ T292] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 30.842954][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 30.843122][ T292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 30.843304][ T292] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 30.843484][ T292] ? 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) [ 30.843653][ T292] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 30.843932][ T292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 30.844098][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 30.844278][ T292] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 30.844449][ T292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 30.844718][ T292] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 30.844886][ T292] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 30.845059][ T292] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 30.845225][ T292] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 30.845484][ T292] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 30.845686][ T292] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 30.845865][ T292] ___sys_sendmsg (net/socket.c:2653) [ 30.846034][ T292] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 30.846297][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 30.846465][ T292] ? __lock_release (kernel/locking/lockdep.c:5435) [ 30.846627][ T292] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 30.846834][ T292] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 30.847106][ T292] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 30.847284][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 30.847490][ T292] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 30.847663][ T292] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 30.847925][ T292] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 30.848190][ T292] ? __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) [ 30.848378][ T292] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 30.848545][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 30.848749][ T292] RIP: 0033:0x7fefa02157b7 [ 30.848924][ T292] 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) [ 30.849702][ T292] RSP: 002b:00007ffff5ae9168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 30.849950][ T292] RAX: ffffffffffffffda RBX: 00007ffff5ae9890 RCX: 00007fefa02157b7 [ 30.850192][ T292] RDX: 0000000000000000 RSI: 00007ffff5ae91d0 RDI: 0000000000000005 [ 30.850543][ T292] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 30.850791][ T292] R10: 0000000020ec6910 R11: 0000000000000246 R12: 0000000000000004 [ 30.851034][ T292] R13: 0000000066bea58d R14: 0000000000496600 R15: 0000000000000000 | [ 30.853077][ T292] 1 lock held by ip/292: | [ 30.853202][ T292] #0: ffffffffbb1bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 30.853605][ T292] | [ 30.853605][ T292] stack backtrace: [ 30.854052][ T292] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 30.854508][ T292] Call Trace: [ 30.854633][ T292] [ 30.854721][ T292] dump_stack_lvl (lib/dump_stack.c:122) [ 30.854898][ T292] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 30.855159][ T292] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 30.855409][ T292] 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 [ 30.855648][ T292] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 30.855848][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 30.856166][ T292] br_add_if (net/bridge/br_if.c:692) bridge [ 30.856367][ T292] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 30.856537][ T292] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 30.856837][ T292] do_setlink (net/core/rtnetlink.c:2907) [ 30.857003][ T292] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 30.857177][ T292] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 30.857353][ T292] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 30.857517][ T292] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 30.857785][ T292] ? __kernel_text_address (kernel/extable.c:79) [ 30.857949][ T292] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 30.858115][ T292] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 30.858322][ T292] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 30.858605][ T292] ? stack_trace_save (kernel/stacktrace.c:123) [ 30.858770][ T292] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 30.858937][ T292] ? __pfx_validate_nla (lib/nlattr.c:396) [ 30.859114][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 30.859253][ T292] ? kasan_save_stack (mm/kasan/common.c:49) [ 30.859421][ T292] ? __nla_validate_parse (lib/nlattr.c:638) [ 30.859593][ T292] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 30.859770][ T292] ? 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) [ 30.860038][ T292] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 30.860218][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 30.860423][ T292] ? __create_object (mm/kmemleak.c:751) [ 30.860591][ T292] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 30.860868][ T292] rtnl_newlink (net/core/rtnetlink.c:3744) [ 30.860997][ T292] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 30.861164][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 30.861328][ T292] ? 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) [ 30.861490][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 30.861730][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 30.861903][ T292] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 30.862067][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 30.862244][ T292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 30.862528][ T292] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 30.862704][ T292] ? 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) [ 30.862874][ T292] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 30.863042][ T292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 30.863215][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 30.863492][ T292] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 30.863671][ T292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 30.863834][ T292] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 30.864002][ T292] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 30.864189][ T292] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 30.864356][ T292] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 30.864523][ T292] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 30.864734][ T292] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 30.865016][ T292] ___sys_sendmsg (net/socket.c:2653) [ 30.865187][ T292] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 30.865353][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 30.865526][ T292] ? __lock_release (kernel/locking/lockdep.c:5435) [ 30.865791][ T292] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 30.866007][ T292] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 30.866175][ T292] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 30.866342][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 30.866657][ T292] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 30.866829][ T292] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 30.867005][ T292] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 30.867184][ T292] ? __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) [ 30.867473][ T292] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 30.867636][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 30.867848][ T292] RIP: 0033:0x7fefa02157b7 [ 30.868029][ T292] 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) [ 30.868716][ T292] RSP: 002b:00007ffff5ae9168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 30.868977][ T292] RAX: ffffffffffffffda RBX: 00007ffff5ae9890 RCX: 00007fefa02157b7 [ 30.869235][ T292] RDX: 0000000000000000 RSI: 00007ffff5ae91d0 RDI: 0000000000000005 [ 30.869584][ T292] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 30.869833][ T292] R10: 0000000020ec6910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink