====================================== | [ 33.306835][ T309] 1 lock held by ip/309: | [ 33.307032][ T309] #0: ffffffffafbbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 33.307414][ T309] | [ 33.307414][ T309] stack backtrace: [ 33.307918][ T309] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.308294][ T309] Call Trace: [ 33.308427][ T309] [ 33.308517][ T309] dump_stack_lvl (lib/dump_stack.c:122) [ 33.308708][ T309] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 33.308879][ T309] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 33.309165][ T309] 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 [ 33.309415][ T309] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 33.309624][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.309839][ T309] br_add_if (net/bridge/br_if.c:692) bridge [ 33.310049][ T309] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 33.310221][ T309] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 33.310647][ T309] do_setlink (net/core/rtnetlink.c:2907) [ 33.310822][ T309] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 33.311003][ T309] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 33.311178][ T309] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 33.311348][ T309] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 33.311528][ T309] ? __kernel_text_address (kernel/extable.c:79) [ 33.311704][ T309] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 33.311880][ T309] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 33.312098][ T309] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 33.312281][ T309] ? stack_trace_save (kernel/stacktrace.c:123) [ 33.312454][ T309] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 33.312622][ T309] ? __pfx_validate_nla (lib/nlattr.c:396) [ 33.312798][ T309] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.312933][ T309] ? kasan_save_stack (mm/kasan/common.c:49) [ 33.313110][ T309] ? __nla_validate_parse (lib/nlattr.c:638) [ 33.313286][ T309] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 33.313464][ T309] ? 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) [ 33.313638][ T309] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 33.313836][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.314087][ T309] ? __create_object (mm/kmemleak.c:751) [ 33.314260][ T309] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 33.314445][ T309] rtnl_newlink (net/core/rtnetlink.c:3744) [ 33.314579][ T309] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 33.314758][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.314928][ T309] ? 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) [ 33.315103][ T309] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.315249][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 33.315421][ T309] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 33.315606][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.315782][ T309] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 33.315976][ T309] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 33.316149][ T309] ? 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) [ 33.316327][ T309] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 33.316517][ T309] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 33.316692][ T309] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.316873][ T309] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 33.317049][ T309] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 33.317225][ T309] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 33.317404][ T309] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 33.317591][ T309] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 33.317772][ T309] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 33.317947][ T309] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 33.318165][ T309] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 33.318349][ T309] ___sys_sendmsg (net/socket.c:2653) [ 33.318526][ T309] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 33.318695][ T309] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.318871][ T309] ? __lock_release (kernel/locking/lockdep.c:5435) [ 33.319041][ T309] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 33.319253][ T309] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 33.319430][ T309] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 33.319604][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.319818][ T309] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 33.319999][ T309] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 33.320177][ T309] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 33.320345][ T309] ? __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) [ 33.320543][ T309] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 33.320720][ T309] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 33.320941][ T309] RIP: 0033:0x7f24431657b7 [ 33.321118][ T309] 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) [ 33.321713][ T309] RSP: 002b:00007ffd255830d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.321982][ T309] RAX: ffffffffffffffda RBX: 00007ffd25583800 RCX: 00007f24431657b7 [ 33.322255][ T309] RDX: 0000000000000000 RSI: 00007ffd25583140 RDI: 0000000000000005 [ 33.322511][ T309] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 33.322930][ T309] R10: 0000000013349910 R11: 0000000000000246 R12: 0000000000000004 [ 33.323291][ T309] R13: 0000000066bea770 R14: 0000000000496600 R15: 0000000000000000 | [ 33.325659][ T309] 1 lock held by ip/309: | [ 33.325797][ T309] #0: ffffffffafbbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 33.326113][ T309] | [ 33.326113][ T309] stack backtrace: [ 33.326686][ T309] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.327063][ T309] Call Trace: [ 33.327293][ T309] [ 33.327382][ T309] dump_stack_lvl (lib/dump_stack.c:122) [ 33.327557][ T309] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 33.327732][ T309] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 33.328085][ T309] 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 [ 33.328352][ T309] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 33.328554][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.328771][ T309] br_add_if (net/bridge/br_if.c:692) bridge [ 33.329082][ T309] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 33.329258][ T309] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 33.329473][ T309] do_setlink (net/core/rtnetlink.c:2907) [ 33.329659][ T309] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 33.329935][ T309] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 33.330108][ T309] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 33.330279][ T309] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 33.330456][ T309] ? __kernel_text_address (kernel/extable.c:79) [ 33.330729][ T309] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 33.330898][ T309] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 33.331113][ T309] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 33.331294][ T309] ? stack_trace_save (kernel/stacktrace.c:123) [ 33.331568][ T309] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 33.331740][ T309] ? __pfx_validate_nla (lib/nlattr.c:396) [ 33.331915][ T309] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.332048][ T309] ? kasan_save_stack (mm/kasan/common.c:49) [ 33.332231][ T309] ? __nla_validate_parse (lib/nlattr.c:638) [ 33.332511][ T309] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 33.332701][ T309] ? 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) [ 33.332879][ T309] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 33.333162][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.333478][ T309] ? __create_object (mm/kmemleak.c:751) [ 33.333656][ T309] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 33.333858][ T309] rtnl_newlink (net/core/rtnetlink.c:3744) [ 33.334090][ T309] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 33.334275][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.334547][ T309] ? 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) [ 33.334721][ T309] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.334858][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 33.335041][ T309] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 33.335313][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.335495][ T309] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 33.335683][ T309] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 33.335862][ T309] ? 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) [ 33.336043][ T309] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 33.336321][ T309] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 33.336500][ T309] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.336692][ T309] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 33.336975][ T309] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 33.337168][ T309] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 33.337345][ T309] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 33.337528][ T309] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 33.337709][ T309] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 33.337982][ T309] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 33.338195][ T309] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 33.338383][ T309] ___sys_sendmsg (net/socket.c:2653) [ 33.338558][ T309] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 33.338841][ T309] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.339009][ T309] ? __lock_release (kernel/locking/lockdep.c:5435) [ 33.339184][ T309] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 33.339398][ T309] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 33.339571][ T309] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 33.339748][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.339962][ T309] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 33.340142][ T309] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 33.340415][ T309] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 33.340588][ T309] ? __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) [ 33.340895][ T309] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 33.341069][ T309] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 33.341282][ T309] RIP: 0033:0x7f24431657b7 [ 33.341465][ T309] 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) [ 33.342167][ T309] RSP: 002b:00007ffd255830d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.342439][ T309] RAX: ffffffffffffffda RBX: 00007ffd25583800 RCX: 00007f24431657b7 [ 33.342806][ T309] RDX: 0000000000000000 RSI: 00007ffd25583140 RDI: 0000000000000005 [ 33.343061][ T309] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 33.343315][ T309] R10: 0000000013349910 R11: 0000000000000246 R12: 0000000000000004 [ 33.343705][ T309] R13: 0000000066bea770 R14: 0000000000496600 R15: 0000000000000000 | [ 33.345865][ T309] 1 lock held by ip/309: | [ 33.346005][ T309] #0: ffffffffafbbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 33.346421][ T309] | [ 33.346421][ T309] stack backtrace: [ 33.346994][ T309] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.347357][ T309] Call Trace: [ 33.347490][ T309] [ 33.347581][ T309] dump_stack_lvl (lib/dump_stack.c:122) [ 33.347859][ T309] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 33.348029][ T309] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 33.348277][ T309] 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 [ 33.348521][ T309] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 33.348840][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.349057][ T309] br_add_if (net/bridge/br_if.c:692) bridge [ 33.349256][ T309] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 33.349422][ T309] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 33.349638][ T309] do_setlink (net/core/rtnetlink.c:2907) [ 33.349805][ T309] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 33.349973][ T309] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 33.350145][ T309] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 33.350315][ T309] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 33.350482][ T309] ? __kernel_text_address (kernel/extable.c:79) [ 33.350647][ T309] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 33.350816][ T309] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 33.351121][ T309] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 33.351300][ T309] ? stack_trace_save (kernel/stacktrace.c:123) [ 33.351467][ T309] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 33.351638][ T309] ? __pfx_validate_nla (lib/nlattr.c:396) [ 33.351907][ T309] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.352038][ T309] ? kasan_save_stack (mm/kasan/common.c:49) [ 33.352212][ T309] ? __nla_validate_parse (lib/nlattr.c:638) [ 33.352389][ T309] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 33.352567][ T309] ? 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) [ 33.352846][ T309] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 33.353020][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.353230][ T309] ? __create_object (mm/kmemleak.c:751) [ 33.353403][ T309] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 33.353578][ T309] rtnl_newlink (net/core/rtnetlink.c:3744) [ 33.353716][ T309] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 33.353887][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.354062][ T309] ? 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) [ 33.354232][ T309] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.354366][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 33.354539][ T309] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 33.354710][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.354883][ T309] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 33.355165][ T309] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 33.355334][ T309] ? 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) [ 33.355510][ T309] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 33.355684][ T309] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 33.355952][ T309] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.356129][ T309] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 33.356303][ T309] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 33.356471][ T309] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 33.356646][ T309] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 33.356823][ T309] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 33.356994][ T309] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 33.357167][ T309] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 33.357380][ T309] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 33.357559][ T309] ___sys_sendmsg (net/socket.c:2653) [ 33.357734][ T309] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 33.357908][ T309] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.358081][ T309] ? __lock_release (kernel/locking/lockdep.c:5435) [ 33.358254][ T309] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 33.358469][ T309] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 33.358640][ T309] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 33.358819][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.359033][ T309] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 33.359312][ T309] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 33.359484][ T309] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 33.359656][ T309] ? __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) [ 33.359846][ T309] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 33.360026][ T309] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 33.360337][ T309] RIP: 0033:0x7f24431657b7 [ 33.360515][ T309] 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) [ 33.361104][ T309] RSP: 002b:00007ffd255830d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.361581][ T309] RAX: ffffffffffffffda RBX: 00007ffd25583800 RCX: 00007f24431657b7 [ 33.361841][ T309] RDX: 0000000000000000 RSI: 00007ffd25583140 RDI: 0000000000000005 [ 33.362090][ T309] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 33.362550][ T309] R10: 0000000013349910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink