======================================
| [ 470.568740][ T3357] #0: ffffffffb9dbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645)
| [ 470.569088][ T3357] #1: ffff88800b6aac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge
| [ 470.569486][ T3357]
| [ 470.569486][ T3357] stack backtrace:
[ 470.570061][ T3357] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 470.570468][ T3357] Call Trace:
[ 470.570614][ T3357] <TASK>
[ 470.570711][ T3357] dump_stack_lvl (lib/dump_stack.c:122)
[ 470.570926][ T3357] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725)
[ 470.571126][ T3357] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 470.571411][ T3357] 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
[ 470.571669][ T3357] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426)
[ 470.571854][ T3357] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426)
[ 470.572057][ T3357] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 470.572267][ T3357] ? mn_hlist_invalidate_range_start (mm/mmu_notifier.c:485 (discriminator 4))
[ 470.572499][ T3357] br_make_forwarding (net/bridge/br_stp.c:465) bridge
[ 470.572727][ T3357] br_port_state_selection (net/bridge/br_stp.c:495) bridge
[ 470.573001][ T3357] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge
[ 470.573212][ T3357] br_add_if (net/bridge/br_if.c:687) bridge
[ 470.573447][ T3357] do_setlink (net/core/rtnetlink.c:2907)
[ 470.573667][ T3357] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769)
[ 470.573858][ T3357] ? __pfx_do_setlink (net/core/rtnetlink.c:2778)
[ 470.574043][ T3357] ? is_bpf_text_address (./kernel/bpf/core.c:772)
[ 470.574228][ T3357] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[ 470.574415][ T3357] ? __kernel_text_address (kernel/extable.c:79)
[ 470.574604][ T3357] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364)
[ 470.574791][ T3357] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83)
[ 470.575024][ T3357] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[ 470.575224][ T3357] ? stack_trace_save (kernel/stacktrace.c:123)
[ 470.575409][ T3357] ? __pfx_stack_trace_save (kernel/stacktrace.c:114)
[ 470.575591][ T3357] ? __pfx_validate_nla (lib/nlattr.c:396)
[ 470.575781][ T3357] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3))
[ 470.575924][ T3357] ? kasan_save_stack (mm/kasan/common.c:49)
[ 470.576119][ T3357] ? __nla_validate_parse (lib/nlattr.c:638)
[ 470.576310][ T3357] __rtnl_newlink (net/core/rtnetlink.c:3696)
[ 470.576500][ T3357] ? 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)
[ 470.576682][ T3357] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557)
[ 470.576906][ T3357] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358)
[ 470.577137][ T3357] ? __create_object (mm/kmemleak.c:751)
[ 470.577323][ T3357] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52))
[ 470.577512][ T3357] rtnl_newlink (net/core/rtnetlink.c:3744)
[ 470.577677][ T3357] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647)
[ 470.577887][ T3357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541)
[ 470.578068][ T3357] ? 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)
[ 470.578250][ T3357] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3))
[ 470.578423][ T3357] ? __lock_acquire (kernel/locking/lockdep.c:5142)
[ 470.578622][ T3357] netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[ 470.578824][ T3357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541)
[ 470.579009][ T3357] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527)
[ 470.579207][ T3357] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340)
[ 470.579397][ T3357] ? 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)
[ 470.579592][ T3357] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[ 470.579779][ T3357] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342)
[ 470.579962][ T3357] ? find_held_lock (kernel/locking/lockdep.c:5249)
[ 470.580151][ T3357] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[ 470.580341][ T3357] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820)
[ 470.580525][ T3357] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381)
[ 470.580712][ T3357] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279)
[ 470.580906][ T3357] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597)
[ 470.581094][ T3357] ? __pfx_____sys_sendmsg (net/socket.c:2543)
[ 470.581276][ T3357] ? __pfx_copy_msghdr_from_user (net/socket.c:2523)
[ 470.581501][ T3357] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824)
[ 470.581722][ T3357] ___sys_sendmsg (net/socket.c:2653)
[ 470.581918][ T3357] ? __pfx____sys_sendmsg (net/socket.c:2640)
[ 470.582101][ T3357] ? find_held_lock (kernel/locking/lockdep.c:5249)
[ 470.582291][ T3357] ? __lock_release (kernel/locking/lockdep.c:5435)
[ 470.582473][ T3357] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001)
[ 470.582713][ T3357] ? __pfx___lock_release (kernel/locking/lockdep.c:5411)
[ 470.582899][ T3357] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 470.583088][ T3357] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358)
[ 470.583331][ T3357] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145)
[ 470.583531][ T3357] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
[ 470.583715][ T3357] ? __pfx___sys_sendmsg (net/socket.c:2668)
[ 470.583909][ T3357] ? __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)
[ 470.584126][ T3357] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 470.584321][ T3357] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 470.584568][ T3357] RIP: 0033:0x7f474adb97b7
[ 470.584769][ T3357] 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)
[ 470.585439][ T3357] RSP: 002b:00007fff135dffa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 470.585758][ T3357] RAX: ffffffffffffffda RBX: 00007fff135e06d0 RCX: 00007f474adb97b7
[ 470.586050][ T3357] RDX: 0000000000000000 RSI: 00007fff135e0010 RDI: 0000000000000005
[ 470.586340][ T3357] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 470.586631][ T3357] R10: 000000002285d910 R11: 0000000000000246 R12: 0000000000000004
[ 470.586929][ T3357] R13: 0000000066be9e9e R14: 0000000000496600 R15: 0000000000000000
| [ 470.589490][ T3357] #0: ffffffffb9dbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645)
| [ 470.589880][ T3357] #1: ffff88800b6aac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge
| [ 470.590281][ T3357]
| [ 470.590281][ T3357] stack backtrace:
[ 470.590828][ T3357] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 470.591267][ T3357] Call Trace:
[ 470.591415][ T3357] <TASK>
[ 470.591524][ T3357] dump_stack_lvl (lib/dump_stack.c:122)
[ 470.591731][ T3357] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725)
[ 470.591929][ T3357] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 470.592212][ T3357] 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
[ 470.592490][ T3357] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426)
[ 470.592688][ T3357] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426)
[ 470.592888][ T3357] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 470.593118][ T3357] ? mn_hlist_invalidate_range_start (mm/mmu_notifier.c:485 (discriminator 4))
[ 470.593389][ T3357] br_make_forwarding (net/bridge/br_stp.c:465) bridge
[ 470.593636][ T3357] br_port_state_selection (net/bridge/br_stp.c:495) bridge
[ 470.593916][ T3357] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge
[ 470.594145][ T3357] br_add_if (net/bridge/br_if.c:687) bridge
[ 470.594380][ T3357] do_setlink (net/core/rtnetlink.c:2907)
[ 470.594601][ T3357] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769)
[ 470.594815][ T3357] ? __pfx_do_setlink (net/core/rtnetlink.c:2778)
[ 470.595017][ T3357] ? is_bpf_text_address (./kernel/bpf/core.c:772)
[ 470.595210][ T3357] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[ 470.595406][ T3357] ? __kernel_text_address (kernel/extable.c:79)
[ 470.595618][ T3357] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364)
[ 470.595818][ T3357] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83)
[ 470.596060][ T3357] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[ 470.596266][ T3357] ? stack_trace_save (kernel/stacktrace.c:123)
[ 470.596459][ T3357] ? __pfx_stack_trace_save (kernel/stacktrace.c:114)
[ 470.596663][ T3357] ? __pfx_validate_nla (lib/nlattr.c:396)
[ 470.596862][ T3357] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3))
[ 470.597013][ T3357] ? kasan_save_stack (mm/kasan/common.c:49)
[ 470.597211][ T3357] ? __nla_validate_parse (lib/nlattr.c:638)
[ 470.597411][ T3357] __rtnl_newlink (net/core/rtnetlink.c:3696)
[ 470.597615][ T3357] ? 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)
[ 470.597813][ T3357] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557)
[ 470.598016][ T3357] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358)
[ 470.598268][ T3357] ? __create_object (mm/kmemleak.c:751)
[ 470.598471][ T3357] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52))
[ 470.598672][ T3357] rtnl_newlink (net/core/rtnetlink.c:3744)
[ 470.598821][ T3357] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647)
[ 470.599027][ T3357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541)
[ 470.599223][ T3357] ? 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)
[ 470.599418][ T3357] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3))
[ 470.599592][ T3357] ? __lock_acquire (kernel/locking/lockdep.c:5142)
[ 470.599798][ T3357] netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[ 470.599998][ T3357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541)
[ 470.600198][ T3357] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527)
[ 470.600409][ T3357] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340)
[ 470.600609][ T3357] ? 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)
[ 470.600808][ T3357] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[ 470.601011][ T3357] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342)
[ 470.601210][ T3357] ? find_held_lock (kernel/locking/lockdep.c:5249)
[ 470.601410][ T3357] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[ 470.601618][ T3357] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820)
[ 470.601815][ T3357] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381)
[ 470.602016][ T3357] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279)
[ 470.602223][ T3357] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597)
[ 470.602420][ T3357] ? __pfx_____sys_sendmsg (net/socket.c:2543)
[ 470.602619][ T3357] ? __pfx_copy_msghdr_from_user (net/socket.c:2523)
[ 470.602861][ T3357] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824)
[ 470.603069][ T3357] ___sys_sendmsg (net/socket.c:2653)
[ 470.603283][ T3357] ? __pfx____sys_sendmsg (net/socket.c:2640)
[ 470.603487][ T3357] ? find_held_lock (kernel/locking/lockdep.c:5249)
[ 470.603708][ T3357] ? __lock_release (kernel/locking/lockdep.c:5435)
[ 470.603905][ T3357] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001)
[ 470.604147][ T3357] ? __pfx___lock_release (kernel/locking/lockdep.c:5411)
[ 470.604358][ T3357] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 470.604746][ T3357] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358)
[ 470.605040][ T3357] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145)
[ 470.605232][ T3357] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
[ 470.605438][ T3357] ? __pfx___sys_sendmsg (net/socket.c:2668)
[ 470.605730][ T3357] ? __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)
[ 470.605949][ T3357] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 470.606135][ T3357] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 470.606362][ T3357] RIP: 0033:0x7f474adb97b7
[ 470.606670][ T3357] 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)
[ 470.607535][ T3357] RSP: 002b:00007fff135dffa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 470.607834][ T3357] RAX: ffffffffffffffda RBX: 00007fff135e06d0 RCX: 00007f474adb97b7
[ 470.608104][ T3357] RDX: 0000000000000000 RSI: 00007fff135e0010 RDI: 0000000000000005
[ 470.608514][ T3357] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 470.608805][ T3357] R10: 000000002285d910 R11: 0000000000000246 R12: 0000000000000004
[ 470.609075][ T3357] R13: 0000000066be9e9e R14: 0000000000496600 R15: 0000000000000000
| [ 470.611823][ T3357] #0: ffffffffb9dbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645)
| [ 470.612291][ T3357] #1: ffff88800b6aac58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge
| [ 470.612650][ T3357]
| [ 470.612650][ T3357] stack backtrace:
[ 470.613270][ T3357] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 470.613677][ T3357] Call Trace:
[ 470.613825][ T3357] <TASK>
[ 470.614038][ T3357] dump_stack_lvl (lib/dump_stack.c:122)
[ 470.614245][ T3357] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725)
[ 470.614443][ T3357] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 470.614710][ T3357] 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
[ 470.615084][ T3357] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426)
[ 470.615266][ T3357] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426)
[ 470.615451][ T3357] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 470.615694][ T3357] ? mn_hlist_invalidate_range_start (mm/mmu_notifier.c:485 (discriminator 4))
[ 470.616041][ T3357] br_make_forwarding (net/bridge/br_stp.c:465) bridge
[ 470.616298][ T3357] br_port_state_selection (net/bridge/br_stp.c:495) bridge
[ 470.616560][ T3357] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge
[ 470.616776][ T3357] br_add_if (net/bridge/br_if.c:687) bridge
[ 470.617114][ T3357] do_setlink (net/core/rtnetlink.c:2907)
[ 470.617299][ T3357] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769)
[ 470.617484][ T3357] ? __pfx_do_setlink (net/core/rtnetlink.c:2778)
[ 470.617667][ T3357] ? is_bpf_text_address (./kernel/bpf/core.c:772)
[ 470.617958][ T3357] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[ 470.618157][ T3357] ? __kernel_text_address (kernel/extable.c:79)
[ 470.618341][ T3357] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364)
[ 470.618524][ T3357] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83)
[ 470.618865][ T3357] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[ 470.619064][ T3357] ? stack_trace_save (kernel/stacktrace.c:123)
[ 470.619245][ T3357] ? __pfx_stack_trace_save (kernel/stacktrace.c:114)
[ 470.619427][ T3357] ? __pfx_validate_nla (lib/nlattr.c:396)
[ 470.619743][ T3357] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3))
[ 470.619889][ T3357] ? kasan_save_stack (mm/kasan/common.c:49)
[ 470.620076][ T3357] ? __nla_validate_parse (lib/nlattr.c:638)
[ 470.620265][ T3357] __rtnl_newlink (net/core/rtnetlink.c:3696)
[ 470.620460][ T3357] ? 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)
[ 470.620759][ T3357] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557)
[ 470.620953][ T3357] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358)
[ 470.621195][ T3357] ? __create_object (mm/kmemleak.c:751)
[ 470.621436][ T3357] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52))
[ 470.621753][ T3357] rtnl_newlink (net/core/rtnetlink.c:3744)
[ 470.621895][ T3357] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647)
[ 470.622081][ T3357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541)
[ 470.622264][ T3357] ? 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)
[ 470.622672][ T3357] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3))
[ 470.622820][ T3357] ? __lock_acquire (kernel/locking/lockdep.c:5142)
[ 470.623018][ T3357] netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[ 470.623206][ T3357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541)
[ 470.623401][ T3357] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527)
[ 470.623766][ T3357] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340)
[ 470.623965][ T3357] ? 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)
[ 470.624165][ T3357] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[ 470.624371][ T3357] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342)
[ 470.624683][ T3357] ? find_held_lock (kernel/locking/lockdep.c:5249)
[ 470.624886][ T3357] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[ 470.625087][ T3357] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820)
[ 470.625307][ T3357] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381)
[ 470.625616][ T3357] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279)
[ 470.625822][ T3357] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597)
[ 470.626020][ T3357] ? __pfx_____sys_sendmsg (net/socket.c:2543)
[ 470.626219][ T3357] ? __pfx_copy_msghdr_from_user (net/socket.c:2523)
[ 470.626571][ T3357] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824)
[ 470.626781][ T3357] ___sys_sendmsg (net/socket.c:2653)
[ 470.626979][ T3357] ? __pfx____sys_sendmsg (net/socket.c:2640)
[ 470.627177][ T3357] ? find_held_lock (kernel/locking/lockdep.c:5249)
[ 470.627377][ T3357] ? __lock_release (kernel/locking/lockdep.c:5435)
[ 470.627703][ T3357] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001)
[ 470.627946][ T3357] ? __pfx___lock_release (kernel/locking/lockdep.c:5411)
[ 470.628148][ T3357] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 470.628352][ T3357] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358)
[ 470.628705][ T3357] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145)
[ 470.628911][ T3357] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
[ 470.629108][ T3357] ? __pfx___sys_sendmsg (net/socket.c:2668)
[ 470.629302][ T3357] ? __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)
[ 470.629629][ T3357] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 470.629827][ T3357] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 470.630078][ T3357] RIP: 0033:0x7f474adb97b7
[ 470.630281][ T3357] 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)
[ 470.631064][ T3357] RSP: 002b:00007fff135dffa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 470.631467][ T3357] RAX: ffffffffffffffda RBX: 00007fff135e06d0 RCX: 00007f474adb97b7
[ 470.631788][ T3357] RDX: 0000000000000000 RSI: 00007fff135e0010 RDI: 0000000000000005
[ 470.632081][ T3357] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 470.632482][ T3357] R10: 000000002285d910 R11: 0000000000000246 R12: 0000000000000004
Finger prints:
lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_make_forwarding:br_port_state_selection