====================================== | [ 31.013790][ T292] 1 lock held by ip/292: | [ 31.013955][ T292] #0: ffffffffbd7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 31.014299][ T292] | [ 31.014299][ T292] stack backtrace: [ 31.014820][ T292] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.015225][ T292] Call Trace: [ 31.015372][ T292] [ 31.015473][ T292] dump_stack_lvl (lib/dump_stack.c:122) [ 31.015668][ T292] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 31.015852][ T292] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 31.016156][ 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 [ 31.016421][ T292] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 31.016634][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.016864][ T292] br_add_if (net/bridge/br_if.c:692) bridge [ 31.017084][ T292] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 31.017269][ T292] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 31.017507][ T292] do_setlink (net/core/rtnetlink.c:2907) [ 31.017693][ T292] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 31.017884][ T292] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 31.018070][ T292] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 31.018252][ T292] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 31.018443][ T292] ? __kernel_text_address (kernel/extable.c:79) [ 31.018630][ T292] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 31.018813][ T292] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 31.019042][ T292] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 31.019245][ T292] ? stack_trace_save (kernel/stacktrace.c:123) [ 31.019436][ T292] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 31.019631][ T292] ? __pfx_validate_nla (lib/nlattr.c:396) [ 31.019816][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.019960][ T292] ? kasan_save_stack (mm/kasan/common.c:49) [ 31.020150][ T292] ? __nla_validate_parse (lib/nlattr.c:638) [ 31.020344][ T292] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 31.020536][ 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) [ 31.020730][ T292] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 31.020921][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.021153][ T292] ? __create_object (mm/kmemleak.c:751) [ 31.021340][ T292] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 31.021531][ T292] rtnl_newlink (net/core/rtnetlink.c:3744) [ 31.021671][ T292] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 31.021859][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.022042][ 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) [ 31.022229][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.022373][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 31.022559][ T292] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 31.022743][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.022928][ T292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 31.023129][ T292] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 31.023313][ 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) [ 31.023501][ T292] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 31.023693][ T292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 31.023879][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.024069][ T292] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 31.024261][ T292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 31.024446][ T292] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 31.024633][ T292] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 31.024825][ T292] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 31.025013][ T292] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 31.025197][ T292] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 31.025430][ T292] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 31.025624][ T292] ___sys_sendmsg (net/socket.c:2653) [ 31.025813][ T292] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 31.026009][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.026208][ T292] ? __lock_release (kernel/locking/lockdep.c:5435) [ 31.026390][ T292] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 31.026621][ T292] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 31.026811][ T292] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 31.027002][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.027232][ T292] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 31.027428][ T292] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 31.027612][ T292] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 31.027793][ 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) [ 31.027997][ T292] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 31.028184][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 31.028417][ T292] RIP: 0033:0x7fa1fa1c37b7 [ 31.028609][ 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) [ 31.029244][ T292] RSP: 002b:00007ffdd12a6b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 31.029524][ T292] RAX: ffffffffffffffda RBX: 00007ffdd12a72c0 RCX: 00007fa1fa1c37b7 [ 31.029806][ T292] RDX: 0000000000000000 RSI: 00007ffdd12a6c00 RDI: 0000000000000005 [ 31.030077][ T292] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 31.030349][ T292] R10: 0000000036561910 R11: 0000000000000246 R12: 0000000000000004 [ 31.030624][ T292] R13: 0000000066bea697 R14: 0000000000496600 R15: 0000000000000000 | [ 31.034065][ T292] 1 lock held by ip/292: | [ 31.034208][ T292] #0: ffffffffbd7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 31.034673][ T292] | [ 31.034673][ T292] stack backtrace: [ 31.035175][ T292] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.035579][ T292] Call Trace: [ 31.035718][ T292] [ 31.035814][ T292] dump_stack_lvl (lib/dump_stack.c:122) [ 31.036005][ T292] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 31.036198][ T292] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 31.036461][ 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 [ 31.036734][ T292] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 31.036947][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.037175][ T292] br_add_if (net/bridge/br_if.c:692) bridge [ 31.037391][ T292] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 31.037574][ T292] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 31.037808][ T292] do_setlink (net/core/rtnetlink.c:2907) [ 31.037993][ T292] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 31.038182][ T292] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 31.038369][ T292] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 31.038551][ T292] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 31.038735][ T292] ? __kernel_text_address (kernel/extable.c:79) [ 31.038916][ T292] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 31.039103][ T292] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 31.039480][ T292] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 31.039675][ T292] ? stack_trace_save (kernel/stacktrace.c:123) [ 31.039864][ T292] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 31.040046][ T292] ? __pfx_validate_nla (lib/nlattr.c:396) [ 31.040323][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.040471][ T292] ? kasan_save_stack (mm/kasan/common.c:49) [ 31.040659][ T292] ? __nla_validate_parse (lib/nlattr.c:638) [ 31.040847][ T292] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 31.041133][ 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) [ 31.041317][ T292] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 31.041510][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.041738][ T292] ? __create_object (mm/kmemleak.c:751) [ 31.042027][ T292] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 31.042215][ T292] rtnl_newlink (net/core/rtnetlink.c:3744) [ 31.042354][ T292] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 31.042539][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.042721][ 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) [ 31.042996][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.043140][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 31.043337][ T292] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 31.043519][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.043799][ T292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 31.043998][ T292] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 31.044181][ 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) [ 31.044367][ T292] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 31.044654][ T292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 31.044837][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.045028][ T292] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 31.045216][ T292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 31.045399][ T292] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 31.045687][ T292] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 31.045878][ T292] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 31.046081][ T292] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 31.046262][ T292] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 31.046487][ T292] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 31.046685][ T292] ___sys_sendmsg (net/socket.c:2653) [ 31.046872][ T292] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 31.047056][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.047343][ T292] ? __lock_release (kernel/locking/lockdep.c:5435) [ 31.047524][ T292] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 31.047749][ T292] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 31.047934][ T292] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 31.048217][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.048450][ T292] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 31.048646][ T292] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 31.048828][ T292] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 31.049103][ 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) [ 31.049306][ T292] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 31.049493][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 31.049719][ T292] RIP: 0033:0x7fa1fa1c37b7 [ 31.050110][ 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) [ 31.050742][ T292] RSP: 002b:00007ffdd12a6b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 31.051111][ T292] RAX: ffffffffffffffda RBX: 00007ffdd12a72c0 RCX: 00007fa1fa1c37b7 [ 31.051386][ T292] RDX: 0000000000000000 RSI: 00007ffdd12a6c00 RDI: 0000000000000005 [ 31.051759][ T292] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 31.052031][ T292] R10: 0000000036561910 R11: 0000000000000246 R12: 0000000000000004 [ 31.052302][ T292] R13: 0000000066bea697 R14: 0000000000496600 R15: 0000000000000000 | [ 31.055158][ T292] 1 lock held by ip/292: | [ 31.055299][ T292] #0: ffffffffbd7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 31.055661][ T292] | [ 31.055661][ T292] stack backtrace: [ 31.056194][ T292] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.056692][ T292] Call Trace: [ 31.056831][ T292] [ 31.056930][ T292] dump_stack_lvl (lib/dump_stack.c:122) [ 31.057118][ T292] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 31.057396][ T292] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 31.057664][ 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 [ 31.057927][ T292] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 31.058142][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.058467][ T292] br_add_if (net/bridge/br_if.c:692) bridge [ 31.058682][ T292] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 31.058864][ T292] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 31.059195][ T292] do_setlink (net/core/rtnetlink.c:2907) [ 31.059379][ T292] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 31.059562][ T292] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 31.059750][ T292] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 31.059932][ T292] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 31.060210][ T292] ? __kernel_text_address (kernel/extable.c:79) [ 31.060393][ T292] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 31.060574][ T292] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 31.060800][ T292] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 31.061088][ T292] ? stack_trace_save (kernel/stacktrace.c:123) [ 31.061269][ T292] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 31.061454][ T292] ? __pfx_validate_nla (lib/nlattr.c:396) [ 31.061642][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.061881][ T292] ? kasan_save_stack (mm/kasan/common.c:49) [ 31.062068][ T292] ? __nla_validate_parse (lib/nlattr.c:638) [ 31.062256][ T292] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 31.062445][ 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) [ 31.062723][ T292] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 31.062911][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.063152][ T292] ? __create_object (mm/kmemleak.c:751) [ 31.063337][ T292] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 31.063620][ T292] rtnl_newlink (net/core/rtnetlink.c:3744) [ 31.063761][ T292] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 31.063946][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.064127][ 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) [ 31.064315][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.064655][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 31.064838][ T292] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 31.065023][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.065208][ T292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 31.065407][ T292] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 31.065590][ 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) [ 31.065975][ T292] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 31.066179][ T292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 31.066363][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.066650][ T292] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 31.066844][ T292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 31.067025][ T292] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 31.067212][ T292] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 31.067406][ T292] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 31.067592][ T292] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 31.067773][ T292] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 31.067998][ T292] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 31.068287][ T292] ___sys_sendmsg (net/socket.c:2653) [ 31.068478][ T292] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 31.068664][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.068848][ T292] ? __lock_release (kernel/locking/lockdep.c:5435) [ 31.069122][ T292] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 31.069348][ T292] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 31.069533][ T292] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 31.069721][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.070056][ T292] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 31.070246][ T292] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 31.070428][ T292] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 31.070610][ 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) [ 31.070907][ T292] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 31.071092][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 31.071319][ T292] RIP: 0033:0x7fa1fa1c37b7 [ 31.071509][ 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) [ 31.072246][ T292] RSP: 002b:00007ffdd12a6b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 31.072619][ T292] RAX: ffffffffffffffda RBX: 00007ffdd12a72c0 RCX: 00007fa1fa1c37b7 [ 31.072893][ T292] RDX: 0000000000000000 RSI: 00007ffdd12a6c00 RDI: 0000000000000005 [ 31.073173][ T292] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 31.073545][ T292] R10: 0000000036561910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink