====================================== | [ 85.408772][ T511] 1 lock held by ip/511: | [ 85.408993][ T511] #0: ffffffffb91bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 85.409535][ T511] | [ 85.409535][ T511] stack backtrace: [ 85.410315][ T511] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 85.410916][ T511] Call Trace: [ 85.411133][ T511] [ 85.411283][ T511] dump_stack_lvl (lib/dump_stack.c:122) [ 85.411579][ T511] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 85.411858][ T511] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 85.412290][ T511] 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 [ 85.412702][ T511] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 85.413023][ T511] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 85.413353][ T511] br_add_if (net/bridge/br_if.c:692) bridge [ 85.413692][ T511] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 85.413958][ T511] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 85.414311][ T511] do_setlink (net/core/rtnetlink.c:2907) [ 85.414585][ T511] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 85.414861][ T511] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 85.415132][ T511] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 85.415425][ T511] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 85.415698][ T511] ? __kernel_text_address (kernel/extable.c:79) [ 85.415976][ T511] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 85.416246][ T511] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 85.416576][ T511] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 85.416881][ T511] ? stack_trace_save (kernel/stacktrace.c:123) [ 85.417067][ T511] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 85.417259][ T511] ? __pfx_validate_nla (lib/nlattr.c:396) [ 85.417470][ T511] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 85.417646][ T511] ? kasan_save_stack (mm/kasan/common.c:49) [ 85.417942][ T511] ? __nla_validate_parse (lib/nlattr.c:638) [ 85.418229][ T511] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 85.418533][ T511] ? 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) [ 85.418761][ T511] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 85.419051][ T511] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 85.419372][ T511] ? __create_object (mm/kmemleak.c:751) [ 85.419655][ T511] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 85.419947][ T511] rtnl_newlink (net/core/rtnetlink.c:3744) [ 85.420165][ T511] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 85.420439][ T511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 85.420621][ T511] ? 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) [ 85.420802][ T511] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 85.420944][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 85.421128][ T511] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 85.421315][ T511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 85.421505][ T511] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 85.421705][ T511] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 85.421887][ T511] ? 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) [ 85.422073][ T511] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 85.422258][ T511] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 85.422441][ T511] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 85.422630][ T511] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 85.422820][ T511] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 85.423004][ T511] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 85.423189][ T511] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 85.423379][ T511] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 85.423564][ T511] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 85.423746][ T511] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 85.423972][ T511] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 85.424164][ T511] ___sys_sendmsg (net/socket.c:2653) [ 85.424349][ T511] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 85.424529][ T511] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 85.424700][ T511] ? __lock_release (kernel/locking/lockdep.c:5435) [ 85.424877][ T511] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 85.425095][ T511] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 85.425272][ T511] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 85.425445][ T511] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 85.425661][ T511] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 85.425843][ T511] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 85.426015][ T511] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 85.426183][ T511] ? __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) [ 85.426372][ T511] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 85.426545][ T511] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 85.426758][ T511] RIP: 0033:0x7f69142377b7 [ 85.426934][ T511] 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) [ 85.427531][ T511] RSP: 002b:00007ffeab6222a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 85.427789][ T511] RAX: ffffffffffffffda RBX: 00007ffeab6229d0 RCX: 00007f69142377b7 [ 85.428043][ T511] RDX: 0000000000000000 RSI: 00007ffeab622310 RDI: 0000000000000005 [ 85.428295][ T511] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 85.428551][ T511] R10: 000000002da87910 R11: 0000000000000246 R12: 0000000000000003 [ 85.428810][ T511] R13: 0000000066be9fa6 R14: 0000000000496600 R15: 0000000000000000 | [ 85.431435][ T511] 1 lock held by ip/511: | [ 85.431636][ T511] #0: ffffffffb91bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 85.432110][ T511] | [ 85.432110][ T511] stack backtrace: [ 85.432955][ T511] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 85.433415][ T511] Call Trace: [ 85.433622][ T511] [ 85.433770][ T511] dump_stack_lvl (lib/dump_stack.c:122) [ 85.434041][ T511] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 85.434303][ T511] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 85.434682][ T511] 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 [ 85.435064][ T511] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 85.435378][ T511] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 85.435707][ T511] br_add_if (net/bridge/br_if.c:692) bridge [ 85.436037][ T511] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 85.436292][ T511] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 85.436632][ T511] do_setlink (net/core/rtnetlink.c:2907) [ 85.436886][ T511] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 85.437153][ T511] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 85.437414][ T511] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 85.437669][ T511] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 85.437940][ T511] ? __kernel_text_address (kernel/extable.c:79) [ 85.438206][ T511] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 85.438468][ T511] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 85.438789][ T511] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 85.439075][ T511] ? stack_trace_save (kernel/stacktrace.c:123) [ 85.439332][ T511] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 85.439592][ T511] ? __pfx_validate_nla (lib/nlattr.c:396) [ 85.439856][ T511] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 85.440064][ T511] ? kasan_save_stack (mm/kasan/common.c:49) [ 85.440361][ T511] ? __nla_validate_parse (lib/nlattr.c:638) [ 85.440633][ T511] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 85.440808][ T511] ? 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) [ 85.441023][ T511] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 85.441251][ T511] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 85.441584][ T511] ? __create_object (mm/kmemleak.c:751) [ 85.441861][ T511] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 85.442120][ T511] rtnl_newlink (net/core/rtnetlink.c:3744) [ 85.442323][ T511] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 85.442602][ T511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 85.442865][ T511] ? 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) [ 85.443126][ T511] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 85.443336][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 85.443607][ T511] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 85.443867][ T511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 85.444133][ T511] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 85.444422][ T511] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 85.444703][ T511] ? 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) [ 85.444968][ T511] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 85.445237][ T511] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 85.445505][ T511] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 85.445784][ T511] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 85.446058][ T511] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 85.446314][ T511] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 85.446588][ T511] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 85.446874][ T511] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 85.447144][ T511] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 85.447397][ T511] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 85.447705][ T511] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 85.447988][ T511] ___sys_sendmsg (net/socket.c:2653) [ 85.448245][ T511] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 85.448514][ T511] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 85.448782][ T511] ? __lock_release (kernel/locking/lockdep.c:5435) [ 85.449033][ T511] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 85.449361][ T511] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 85.449620][ T511] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 85.449902][ T511] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 85.450214][ T511] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 85.450410][ T511] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 85.450608][ T511] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 85.450781][ T511] ? __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) [ 85.451085][ T511] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 85.451364][ T511] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 85.451690][ T511] RIP: 0033:0x7f69142377b7 [ 85.451959][ T511] 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) [ 85.452820][ T511] RSP: 002b:00007ffeab6222a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 85.453211][ T511] RAX: ffffffffffffffda RBX: 00007ffeab6229d0 RCX: 00007f69142377b7 [ 85.453576][ T511] RDX: 0000000000000000 RSI: 00007ffeab622310 RDI: 0000000000000005 [ 85.453940][ T511] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 85.454310][ T511] R10: 000000002da87910 R11: 0000000000000246 R12: 0000000000000003 [ 85.454643][ T511] R13: 0000000066be9fa6 R14: 0000000000496600 R15: 0000000000000000 | [ 85.458062][ T511] 1 lock held by ip/511: | [ 85.458291][ T511] #0: ffffffffb91bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 85.458783][ T511] | [ 85.458783][ T511] stack backtrace: [ 85.459693][ T511] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 85.460275][ T511] Call Trace: [ 85.460786][ T511] [ 85.460929][ T511] dump_stack_lvl (lib/dump_stack.c:122) [ 85.461204][ T511] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 85.461477][ T511] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 85.461899][ T511] 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 [ 85.462462][ T511] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 85.462782][ T511] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 85.463133][ T511] br_add_if (net/bridge/br_if.c:692) bridge [ 85.463459][ T511] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 85.463899][ T511] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 85.464246][ T511] do_setlink (net/core/rtnetlink.c:2907) [ 85.464540][ T511] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 85.464822][ T511] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 85.465092][ T511] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 85.465264][ T511] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 85.465474][ T511] ? __kernel_text_address (kernel/extable.c:79) [ 85.465702][ T511] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 85.466102][ T511] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 85.466406][ T511] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 85.466593][ T511] ? stack_trace_save (kernel/stacktrace.c:123) [ 85.466842][ T511] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 85.467217][ T511] ? __pfx_validate_nla (lib/nlattr.c:396) [ 85.467479][ T511] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 85.467691][ T511] ? kasan_save_stack (mm/kasan/common.c:49) [ 85.467957][ T511] ? __nla_validate_parse (lib/nlattr.c:638) [ 85.468385][ T511] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 85.468658][ T511] ? 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) [ 85.468928][ T511] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 85.469199][ T511] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 85.469681][ T511] ? __create_object (mm/kmemleak.c:751) [ 85.469947][ T511] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 85.470218][ T511] rtnl_newlink (net/core/rtnetlink.c:3744) [ 85.470413][ T511] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 85.470675][ T511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 85.471102][ T511] ? 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) [ 85.471381][ T511] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 85.471590][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 85.471856][ T511] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 85.472277][ T511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 85.472551][ T511] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 85.472840][ T511] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 85.473099][ T511] ? 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) [ 85.473364][ T511] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 85.473799][ T511] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 85.474061][ T511] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 85.474330][ T511] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 85.474606][ T511] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 85.475024][ T511] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 85.475258][ T511] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 85.475524][ T511] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 85.475789][ T511] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 85.476205][ T511] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 85.476526][ T511] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 85.476799][ T511] ___sys_sendmsg (net/socket.c:2653) [ 85.477064][ T511] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 85.477491][ T511] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 85.477761][ T511] ? __lock_release (kernel/locking/lockdep.c:5435) [ 85.478003][ T511] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 85.478333][ T511] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 85.478745][ T511] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 85.479029][ T511] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 85.479352][ T511] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 85.479626][ T511] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 85.480008][ T511] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 85.480208][ T511] ? __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) [ 85.480429][ T511] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 85.480627][ T511] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 85.481192][ T511] RIP: 0033:0x7f69142377b7 [ 85.481449][ T511] 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) [ 85.482436][ T511] RSP: 002b:00007ffeab6222a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 85.482819][ T511] RAX: ffffffffffffffda RBX: 00007ffeab6229d0 RCX: 00007f69142377b7 [ 85.483213][ T511] RDX: 0000000000000000 RSI: 00007ffeab622310 RDI: 0000000000000005 [ 85.483774][ T511] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 85.484161][ T511] R10: 000000002da87910 R11: 0000000000000246 R12: 0000000000000003 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink