====================================== | [ 32.977681][ T311] 1 lock held by ip/311: | [ 32.977814][ T311] #0: ffffffffb83bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 32.978118][ T311] | [ 32.978118][ T311] stack backtrace: [ 32.978572][ T311] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 32.978937][ T311] Call Trace: [ 32.979071][ T311] [ 32.979158][ T311] dump_stack_lvl (lib/dump_stack.c:122) [ 32.979329][ T311] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 32.979495][ T311] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 32.979752][ T311] 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 [ 32.979998][ T311] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 32.980196][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 32.980405][ T311] br_add_if (net/bridge/br_if.c:692) bridge [ 32.980607][ T311] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 32.980775][ T311] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 32.980988][ T311] do_setlink (net/core/rtnetlink.c:2907) [ 32.981156][ T311] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 32.981324][ T311] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 32.981489][ T311] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 32.981654][ T311] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 32.981833][ T311] ? __kernel_text_address (kernel/extable.c:79) [ 32.982000][ T311] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 32.982164][ T311] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 32.982367][ T311] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 32.982545][ T311] ? stack_trace_save (kernel/stacktrace.c:123) [ 32.982718][ T311] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 32.982885][ T311] ? __pfx_validate_nla (lib/nlattr.c:396) [ 32.983053][ T311] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 32.983187][ T311] ? kasan_save_stack (mm/kasan/common.c:49) [ 32.983365][ T311] ? __nla_validate_parse (lib/nlattr.c:638) [ 32.983538][ T311] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 32.983715][ T311] ? 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) [ 32.983883][ T311] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 32.984057][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 32.984279][ T311] ? __create_object (mm/kmemleak.c:751) [ 32.984448][ T311] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 32.984620][ T311] rtnl_newlink (net/core/rtnetlink.c:3744) [ 32.984751][ T311] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 32.984920][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 32.985085][ T311] ? 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) [ 32.985251][ T311] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 32.985382][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 32.985556][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 32.985723][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 32.985890][ T311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 32.986080][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 32.986251][ T311] ? 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) [ 32.986421][ T311] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 32.986590][ T311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 32.986755][ T311] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 32.986924][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 32.987100][ T311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 32.987268][ T311] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 32.987445][ T311] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 32.987624][ T311] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 32.987798][ T311] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 32.987965][ T311] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 32.988169][ T311] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 32.988346][ T311] ___sys_sendmsg (net/socket.c:2653) [ 32.988515][ T311] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 32.988682][ T311] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 32.988860][ T311] ? __lock_release (kernel/locking/lockdep.c:5435) [ 32.989024][ T311] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 32.989232][ T311] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 32.989400][ T311] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 32.989575][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 32.989786][ T311] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 32.989963][ T311] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 32.990132][ T311] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 32.990300][ T311] ? __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) [ 32.990491][ T311] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 32.990660][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 32.990866][ T311] RIP: 0033:0x7f5eeeeb07b7 [ 32.991045][ T311] 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) [ 32.991626][ T311] RSP: 002b:00007ffd0c50aa18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 32.991881][ T311] RAX: ffffffffffffffda RBX: 00007ffd0c50b140 RCX: 00007f5eeeeb07b7 [ 32.992129][ T311] RDX: 0000000000000000 RSI: 00007ffd0c50aa80 RDI: 0000000000000005 [ 32.992376][ T311] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 32.992623][ T311] R10: 00000000075bb910 R11: 0000000000000246 R12: 0000000000000004 [ 32.992873][ T311] R13: 0000000066bea086 R14: 0000000000496600 R15: 0000000000000000 | [ 32.994894][ T311] 1 lock held by ip/311: | [ 32.995021][ T311] #0: ffffffffb83bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 32.995329][ T311] | [ 32.995329][ T311] stack backtrace: [ 32.995788][ T311] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 32.996149][ T311] Call Trace: [ 32.996275][ T311] [ 32.996364][ T311] dump_stack_lvl (lib/dump_stack.c:122) [ 32.996541][ T311] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 32.996708][ T311] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 32.996955][ T311] 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 [ 32.997199][ T311] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 32.997399][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 32.997610][ T311] br_add_if (net/bridge/br_if.c:692) bridge [ 32.997814][ T311] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 32.997982][ T311] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 32.998198][ T311] do_setlink (net/core/rtnetlink.c:2907) [ 32.998367][ T311] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 32.998535][ T311] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 32.998705][ T311] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 32.998871][ T311] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 32.999038][ T311] ? __kernel_text_address (kernel/extable.c:79) [ 32.999204][ T311] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 32.999373][ T311] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 32.999580][ T311] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 32.999761][ T311] ? stack_trace_save (kernel/stacktrace.c:123) [ 32.999927][ T311] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 33.000094][ T311] ? __pfx_validate_nla (lib/nlattr.c:396) [ 33.000262][ T311] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.000393][ T311] ? kasan_save_stack (mm/kasan/common.c:49) [ 33.000568][ T311] ? __nla_validate_parse (lib/nlattr.c:638) [ 33.000740][ T311] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 33.000926][ T311] ? 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) [ 33.001092][ T311] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 33.001264][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.001473][ T311] ? __create_object (mm/kmemleak.c:751) [ 33.001645][ T311] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 33.001816][ T311] rtnl_newlink (net/core/rtnetlink.c:3744) [ 33.001943][ T311] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 33.002112][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.002282][ T311] ? 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) [ 33.002446][ T311] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.002577][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 33.002745][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 33.002909][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.003079][ T311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 33.003262][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 33.003431][ T311] ? 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) [ 33.003604][ T311] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 33.003776][ T311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 33.003946][ T311] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.004125][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 33.004297][ T311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 33.004468][ T311] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 33.004641][ T311] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 33.004816][ T311] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 33.004985][ T311] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 33.005154][ T311] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 33.005360][ T311] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 33.005538][ T311] ___sys_sendmsg (net/socket.c:2653) [ 33.005736][ T311] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 33.005905][ T311] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.006077][ T311] ? __lock_release (kernel/locking/lockdep.c:5435) [ 33.006240][ T311] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 33.006451][ T311] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 33.006620][ T311] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 33.006794][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.007004][ T311] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 33.007178][ T311] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 33.007347][ T311] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 33.007515][ T311] ? __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) [ 33.007703][ T311] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 33.007874][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 33.008078][ T311] RIP: 0033:0x7f5eeeeb07b7 [ 33.008252][ T311] 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) [ 33.008828][ T311] RSP: 002b:00007ffd0c50aa18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.009214][ T311] RAX: ffffffffffffffda RBX: 00007ffd0c50b140 RCX: 00007f5eeeeb07b7 [ 33.009464][ T311] RDX: 0000000000000000 RSI: 00007ffd0c50aa80 RDI: 0000000000000005 [ 33.009808][ T311] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 33.010060][ T311] R10: 00000000075bb910 R11: 0000000000000246 R12: 0000000000000004 [ 33.010312][ T311] R13: 0000000066bea086 R14: 0000000000496600 R15: 0000000000000000 | [ 33.012643][ T311] 1 lock held by ip/311: | [ 33.012770][ T311] #0: ffffffffb83bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 33.013173][ T311] | [ 33.013173][ T311] stack backtrace: [ 33.013623][ T311] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.014099][ T311] Call Trace: [ 33.014239][ T311] [ 33.014327][ T311] dump_stack_lvl (lib/dump_stack.c:122) [ 33.014500][ T311] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 33.014764][ T311] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 33.015013][ T311] 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 [ 33.015271][ T311] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 33.015468][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.015773][ T311] br_add_if (net/bridge/br_if.c:692) bridge [ 33.015973][ T311] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 33.016139][ T311] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 33.016354][ T311] do_setlink (net/core/rtnetlink.c:2907) [ 33.016619][ T311] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 33.016790][ T311] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 33.016955][ T311] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 33.017120][ T311] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 33.017289][ T311] ? __kernel_text_address (kernel/extable.c:79) [ 33.017487][ T311] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 33.017651][ T311] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 33.017862][ T311] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 33.018139][ T311] ? stack_trace_save (kernel/stacktrace.c:123) [ 33.018313][ T311] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 33.018486][ T311] ? __pfx_validate_nla (lib/nlattr.c:396) [ 33.018657][ T311] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.018788][ T311] ? kasan_save_stack (mm/kasan/common.c:49) [ 33.019053][ T311] ? __nla_validate_parse (lib/nlattr.c:638) [ 33.019233][ T311] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 33.019411][ T311] ? 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) [ 33.019581][ T311] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 33.019853][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.020062][ T311] ? __create_object (mm/kmemleak.c:751) [ 33.020231][ T311] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 33.020411][ T311] rtnl_newlink (net/core/rtnetlink.c:3744) [ 33.020641][ T311] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 33.020816][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.020980][ T311] ? 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) [ 33.021146][ T311] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.021278][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 33.021453][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 33.021619][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.021791][ T311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 33.021973][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 33.022240][ T311] ? 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) [ 33.022415][ T311] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 33.022587][ T311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 33.022767][ T311] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.023040][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 33.023213][ T311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 33.023387][ T311] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 33.023558][ T311] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 33.023834][ T311] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 33.024010][ T311] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 33.024192][ T311] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 33.024400][ T311] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 33.024770][ T311] ___sys_sendmsg (net/socket.c:2653) [ 33.024941][ T311] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 33.025108][ T311] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.025279][ T311] ? __lock_release (kernel/locking/lockdep.c:5435) [ 33.025446][ T311] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 33.025754][ T311] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 33.025927][ T311] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 33.026105][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.026319][ T311] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 33.026496][ T311] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 33.026670][ T311] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 33.026834][ T311] ? __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) [ 33.027025][ T311] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 33.027288][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 33.027496][ T311] RIP: 0033:0x7f5eeeeb07b7 [ 33.027877][ T311] 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) [ 33.028559][ T311] RSP: 002b:00007ffd0c50aa18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.028810][ T311] RAX: ffffffffffffffda RBX: 00007ffd0c50b140 RCX: 00007f5eeeeb07b7 [ 33.029162][ T311] RDX: 0000000000000000 RSI: 00007ffd0c50aa80 RDI: 0000000000000005 [ 33.029415][ T311] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 33.029666][ T311] R10: 00000000075bb910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink