====================================== | [ 39.000511][ T293] 1 lock held by ip/293: | [ 39.000711][ T293] #0: ffffffffb3bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 39.001089][ T293] | [ 39.001089][ T293] stack backtrace: [ 39.001744][ T293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 39.002203][ T293] Call Trace: [ 39.002367][ T293] [ 39.002484][ T293] dump_stack_lvl (lib/dump_stack.c:122) [ 39.002704][ T293] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 39.002947][ T293] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 39.003322][ T293] 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 [ 39.003657][ T293] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 39.003929][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 39.004226][ T293] br_add_if (net/bridge/br_if.c:692) bridge [ 39.004480][ T293] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 39.004719][ T293] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 39.005011][ T293] do_setlink (net/core/rtnetlink.c:2907) [ 39.005224][ T293] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 39.005484][ T293] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 39.005709][ T293] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 39.005927][ T293] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 39.006144][ T293] ? __kernel_text_address (kernel/extable.c:79) [ 39.006370][ T293] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 39.006603][ T293] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 39.006904][ T293] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 39.007166][ T293] ? stack_trace_save (kernel/stacktrace.c:123) [ 39.007386][ T293] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 39.007607][ T293] ? __pfx_validate_nla (lib/nlattr.c:396) [ 39.007836][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 39.008014][ T293] ? kasan_save_stack (mm/kasan/common.c:49) [ 39.008222][ T293] ? __nla_validate_parse (lib/nlattr.c:638) [ 39.008435][ T293] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 39.008675][ T293] ? 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) [ 39.008896][ T293] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 39.009150][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 39.009546][ T293] ? __create_object (mm/kmemleak.c:751) [ 39.009871][ T293] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 39.010181][ T293] rtnl_newlink (net/core/rtnetlink.c:3744) [ 39.010432][ T293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 39.010731][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 39.011059][ T293] ? 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) [ 39.011351][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 39.011938][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 39.012159][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 39.012368][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 39.012613][ T293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 39.012873][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 39.013124][ T293] ? 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) [ 39.013357][ T293] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 39.013582][ T293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 39.013806][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 39.014018][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 39.014266][ T293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 39.014498][ T293] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 39.014714][ T293] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 39.015144][ T293] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 39.015354][ T293] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 39.015571][ T293] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 39.015827][ T293] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 39.016083][ T293] ___sys_sendmsg (net/socket.c:2653) [ 39.016317][ T293] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 39.016506][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 39.016711][ T293] ? __lock_release (kernel/locking/lockdep.c:5435) [ 39.016947][ T293] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 39.017257][ T293] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 39.017460][ T293] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 39.017693][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 39.017961][ T293] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 39.018178][ T293] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 39.018428][ T293] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 39.018652][ T293] ? __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) [ 39.018896][ T293] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 39.019100][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 39.019393][ T293] RIP: 0033:0x7fbb61ffc7b7 [ 39.019650][ T293] 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) [ 39.020440][ T293] RSP: 002b:00007ffc6a938258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 39.020777][ T293] RAX: ffffffffffffffda RBX: 00007ffc6a938980 RCX: 00007fbb61ffc7b7 [ 39.021090][ T293] RDX: 0000000000000000 RSI: 00007ffc6a9382c0 RDI: 0000000000000005 [ 39.021500][ T293] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 39.021922][ T293] R10: 0000000008012910 R11: 0000000000000246 R12: 0000000000000004 [ 39.022291][ T293] R13: 0000000066be9cdf R14: 0000000000496600 R15: 0000000000000000 | [ 39.025943][ T293] 1 lock held by ip/293: | [ 39.026202][ T293] #0: ffffffffb3bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 39.026796][ T293] | [ 39.026796][ T293] stack backtrace: [ 39.027897][ T293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 39.028763][ T293] Call Trace: [ 39.028998][ T293] [ 39.029168][ T293] dump_stack_lvl (lib/dump_stack.c:122) [ 39.029485][ T293] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 39.029986][ T293] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 39.030467][ T293] 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 [ 39.030970][ T293] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 39.031213][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 39.031485][ T293] br_add_if (net/bridge/br_if.c:692) bridge [ 39.031867][ T293] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 39.032073][ T293] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 39.032331][ T293] do_setlink (net/core/rtnetlink.c:2907) [ 39.032539][ T293] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 39.032873][ T293] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 39.033069][ T293] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 39.033273][ T293] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 39.033588][ T293] ? __kernel_text_address (kernel/extable.c:79) [ 39.033814][ T293] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 39.034010][ T293] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 39.034253][ T293] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 39.034460][ T293] ? stack_trace_save (kernel/stacktrace.c:123) [ 39.034775][ T293] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 39.034980][ T293] ? __pfx_validate_nla (lib/nlattr.c:396) [ 39.035224][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 39.035458][ T293] ? kasan_save_stack (mm/kasan/common.c:49) [ 39.035761][ T293] ? __nla_validate_parse (lib/nlattr.c:638) [ 39.036249][ T293] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 39.036571][ T293] ? 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) [ 39.036864][ T293] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 39.037356][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 39.037736][ T293] ? __create_object (mm/kmemleak.c:751) [ 39.038043][ T293] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 39.038541][ T293] rtnl_newlink (net/core/rtnetlink.c:3744) [ 39.038765][ T293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 39.039076][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 39.039400][ T293] ? 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) [ 39.039726][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 39.039956][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 39.040210][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 39.040589][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 39.040824][ T293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 39.041070][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 39.041456][ T293] ? 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) [ 39.041703][ T293] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 39.041991][ T293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 39.042257][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 39.042524][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 39.042786][ T293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 39.043247][ T293] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 39.043575][ T293] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 39.044016][ T293] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 39.044334][ T293] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 39.044551][ T293] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 39.044811][ T293] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 39.045093][ T293] ___sys_sendmsg (net/socket.c:2653) [ 39.045476][ T293] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 39.045786][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 39.046095][ T293] ? __lock_release (kernel/locking/lockdep.c:5435) [ 39.046396][ T293] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 39.046751][ T293] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 39.047437][ T293] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 39.047792][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 39.048163][ T293] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 39.048558][ T293] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 39.049072][ T293] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 39.049425][ T293] ? __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) [ 39.049930][ T293] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 39.050242][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 39.050791][ T293] RIP: 0033:0x7fbb61ffc7b7 [ 39.051120][ T293] 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) [ 39.052859][ T293] RSP: 002b:00007ffc6a938258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 39.053307][ T293] RAX: ffffffffffffffda RBX: 00007ffc6a938980 RCX: 00007fbb61ffc7b7 [ 39.053624][ T293] RDX: 0000000000000000 RSI: 00007ffc6a9382c0 RDI: 0000000000000005 [ 39.053946][ T293] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 39.054278][ T293] R10: 0000000008012910 R11: 0000000000000246 R12: 0000000000000004 [ 39.054653][ T293] R13: 0000000066be9cdf R14: 0000000000496600 R15: 0000000000000000 | [ 39.058448][ T293] 1 lock held by ip/293: | [ 39.058672][ T293] #0: ffffffffb3bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 39.059435][ T293] | [ 39.059435][ T293] stack backtrace: [ 39.060346][ T293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 39.061151][ T293] Call Trace: [ 39.061394][ T293] [ 39.061571][ T293] dump_stack_lvl (lib/dump_stack.c:122) [ 39.062007][ T293] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 39.062318][ T293] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 39.062738][ T293] 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 [ 39.063156][ T293] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 39.063705][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 39.064076][ T293] br_add_if (net/bridge/br_if.c:692) bridge [ 39.064476][ T293] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 39.064762][ T293] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 39.065356][ T293] do_setlink (net/core/rtnetlink.c:2907) [ 39.065686][ T293] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 39.066009][ T293] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 39.066493][ T293] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 39.066802][ T293] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 39.067084][ T293] ? __kernel_text_address (kernel/extable.c:79) [ 39.067382][ T293] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 39.067680][ T293] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 39.068059][ T293] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 39.068580][ T293] ? stack_trace_save (kernel/stacktrace.c:123) [ 39.068866][ T293] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 39.069145][ T293] ? __pfx_validate_nla (lib/nlattr.c:396) [ 39.069472][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 39.069691][ T293] ? kasan_save_stack (mm/kasan/common.c:49) [ 39.069979][ T293] ? __nla_validate_parse (lib/nlattr.c:638) [ 39.070303][ T293] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 39.070623][ T293] ? 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) [ 39.071134][ T293] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 39.071442][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 39.071834][ T293] ? __create_object (mm/kmemleak.c:751) [ 39.072018][ T293] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 39.072342][ T293] rtnl_newlink (net/core/rtnetlink.c:3744) [ 39.072556][ T293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 39.072815][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 39.073400][ T293] ? 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) [ 39.073662][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 39.073927][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 39.074219][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 39.074519][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 39.074816][ T293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 39.075183][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 39.075445][ T293] ? 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) [ 39.075721][ T293] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 39.076049][ T293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 39.076342][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 39.076845][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 39.077130][ T293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 39.077425][ T293] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 39.077727][ T293] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 39.078057][ T293] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 39.078531][ T293] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 39.078808][ T293] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 39.079206][ T293] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 39.079556][ T293] ___sys_sendmsg (net/socket.c:2653) [ 39.079900][ T293] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 39.080240][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 39.080545][ T293] ? __lock_release (kernel/locking/lockdep.c:5435) [ 39.081042][ T293] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 39.081428][ T293] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 39.081757][ T293] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 39.082124][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 39.082658][ T293] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 39.082989][ T293] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 39.083280][ T293] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 39.083611][ T293] ? __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) [ 39.084146][ T293] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 39.084450][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 39.084867][ T293] RIP: 0033:0x7fbb61ffc7b7 [ 39.085190][ T293] 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) [ 39.086429][ T293] RSP: 002b:00007ffc6a938258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 39.086887][ T293] RAX: ffffffffffffffda RBX: 00007ffc6a938980 RCX: 00007fbb61ffc7b7 [ 39.087358][ T293] RDX: 0000000000000000 RSI: 00007ffc6a9382c0 RDI: 0000000000000005 [ 39.087808][ T293] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 39.088432][ T293] R10: 0000000008012910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink