======================================
| [ 31.649313][ T293] 1 lock held by ip/293:
| [ 31.649457][ T293] #0: ffffffffbd3bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645)
| [ 31.649772][ T293]
| [ 31.649772][ T293] stack backtrace:
[ 31.650243][ T293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 31.650611][ T293] Call Trace:
[ 31.650754][ T293] <TASK>
[ 31.650849][ T293] dump_stack_lvl (lib/dump_stack.c:122)
[ 31.651040][ T293] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725)
[ 31.651222][ T293] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.651523][ T293] br_get_link_af_size_filtered (net/bridge/br_private.h:930 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) bridge
[ 31.651785][ T293] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.651996][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358)
[ 31.652224][ T293] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.652428][ T293] ? rtnl_is_locked (net/core/rtnetlink.c:164)
[ 31.652611][ T293] ? netdev_master_upper_dev_get (net/core/dev.c:7102)
[ 31.652843][ T293] do_setlink (net/core/rtnetlink.c:2907)
[ 31.653040][ T293] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769)
[ 31.653224][ T293] ? __pfx_do_setlink (net/core/rtnetlink.c:2778)
[ 31.653432][ T293] ? is_bpf_text_address (./kernel/bpf/core.c:772)
[ 31.653619][ T293] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[ 31.653802][ T293] ? __kernel_text_address (kernel/extable.c:79)
[ 31.653979][ T293] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364)
[ 31.654162][ T293] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83)
[ 31.654404][ T293] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[ 31.654605][ T293] ? stack_trace_save (kernel/stacktrace.c:123)
[ 31.654796][ T293] ? __pfx_stack_trace_save (kernel/stacktrace.c:114)
[ 31.654987][ T293] ? __pfx_validate_nla (lib/nlattr.c:396)
[ 31.655178][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3))
[ 31.655321][ T293] ? kasan_save_stack (mm/kasan/common.c:49)
[ 31.655516][ T293] ? __nla_validate_parse (lib/nlattr.c:638)
[ 31.655701][ T293] __rtnl_newlink (net/core/rtnetlink.c:3696)
[ 31.655894][ T293] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227)
[ 31.656086][ T293] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557)
[ 31.656280][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358)
[ 31.656511][ T293] ? __create_object (mm/kmemleak.c:751)
[ 31.656741][ T293] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52))
[ 31.656931][ T293] rtnl_newlink (net/core/rtnetlink.c:3744)
[ 31.657075][ T293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647)
[ 31.657259][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541)
[ 31.657434][ T293] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227)
[ 31.657613][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3))
[ 31.657756][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5142)
[ 31.657946][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[ 31.658134][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541)
[ 31.658318][ T293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527)
[ 31.658516][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340)
[ 31.658700][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[ 31.658884][ T293] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[ 31.659076][ T293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342)
[ 31.659258][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249)
[ 31.659460][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[ 31.659646][ T293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820)
[ 31.659843][ T293] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381)
[ 31.660030][ T293] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279)
[ 31.660223][ T293] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597)
[ 31.660407][ T293] ? __pfx_____sys_sendmsg (net/socket.c:2543)
[ 31.660597][ T293] ? __pfx_copy_msghdr_from_user (net/socket.c:2523)
[ 31.660817][ T293] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824)
[ 31.661023][ T293] ___sys_sendmsg (net/socket.c:2653)
[ 31.661212][ T293] ? __pfx____sys_sendmsg (net/socket.c:2640)
[ 31.661405][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249)
[ 31.661589][ T293] ? __lock_release (kernel/locking/lockdep.c:5435)
[ 31.661772][ T293] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001)
[ 31.661997][ T293] ? __pfx___lock_release (kernel/locking/lockdep.c:5411)
[ 31.662192][ T293] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 31.662384][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358)
[ 31.662616][ T293] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145)
[ 31.662813][ T293] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
[ 31.663005][ T293] ? __pfx___sys_sendmsg (net/socket.c:2668)
[ 31.663187][ T293] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65)
[ 31.663410][ T293] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 31.663597][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 31.663823][ T293] RIP: 0033:0x7fe9878847b7
[ 31.664034][ T293] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
0: 0a 00 or (%rax),%al
2: f7 d8 neg %eax
4: 64 89 02 mov %eax,%fs:(%rdx)
7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax
e: eb b9 jmp 0xffffffffffffffc9
10: 0f 1f 00 nopl (%rax)
13: f3 0f 1e fa endbr64
17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax
1e: 00
1f: 85 c0 test %eax,%eax
21: 75 10 jne 0x33
23: b8 2e 00 00 00 mov $0x2e,%eax
28: 0f 05 syscall
2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction
30: 77 51 ja 0x83
32: c3 ret
33: 48 83 ec 28 sub $0x28,%rsp
37: 89 54 24 1c mov %edx,0x1c(%rsp)
3b: 48 89 74 24 10 mov %rsi,0x10(%rsp)
Code starting with the faulting instruction
===========================================
0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax
6: 77 51 ja 0x59
8: c3 ret
9: 48 83 ec 28 sub $0x28,%rsp
d: 89 54 24 1c mov %edx,0x1c(%rsp)
11: 48 89 74 24 10 mov %rsi,0x10(%rsp)
[ 31.664676][ T293] RSP: 002b:00007ffef399b0f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 31.664971][ T293] RAX: ffffffffffffffda RBX: 00007ffef399b820 RCX: 00007fe9878847b7
[ 31.665256][ T293] RDX: 0000000000000000 RSI: 00007ffef399b160 RDI: 0000000000000005
[ 31.665527][ T293] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 31.665818][ T293] R10: 00000000104c3910 R11: 0000000000000246 R12: 0000000000000004
[ 31.666098][ T293] R13: 0000000066bea1d0 R14: 0000000000496600 R15: 0000000000000000
| [ 31.668341][ T293] 1 lock held by ip/293:
| [ 31.668495][ T293] #0: ffffffffbd3bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645)
| [ 31.668844][ T293]
| [ 31.668844][ T293] stack backtrace:
[ 31.669358][ T293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 31.669775][ T293] Call Trace:
[ 31.670099][ T293] <TASK>
[ 31.670201][ T293] dump_stack_lvl (lib/dump_stack.c:122)
[ 31.670392][ T293] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725)
[ 31.670584][ T293] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.670864][ T293] br_get_link_af_size_filtered (net/bridge/br_private.h:453 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) bridge
[ 31.671260][ T293] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.671481][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358)
[ 31.671708][ T293] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.672037][ T293] ? rtnl_is_locked (net/core/rtnetlink.c:164)
[ 31.672221][ T293] ? netdev_master_upper_dev_get (net/core/dev.c:7102)
[ 31.672461][ T293] do_setlink (net/core/rtnetlink.c:2907)
[ 31.672645][ T293] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769)
[ 31.672938][ T293] ? __pfx_do_setlink (net/core/rtnetlink.c:2778)
[ 31.673133][ T293] ? is_bpf_text_address (./kernel/bpf/core.c:772)
[ 31.673323][ T293] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[ 31.673629][ T293] ? __kernel_text_address (kernel/extable.c:79)
[ 31.673813][ T293] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364)
[ 31.674108][ T293] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83)
[ 31.674335][ T293] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[ 31.674564][ T293] ? stack_trace_save (kernel/stacktrace.c:123)
[ 31.674752][ T293] ? __pfx_stack_trace_save (kernel/stacktrace.c:114)
[ 31.675056][ T293] ? __pfx_validate_nla (lib/nlattr.c:396)
[ 31.675242][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3))
[ 31.675384][ T293] ? kasan_save_stack (mm/kasan/common.c:49)
[ 31.675588][ T293] ? __nla_validate_parse (lib/nlattr.c:638)
[ 31.675880][ T293] __rtnl_newlink (net/core/rtnetlink.c:3696)
[ 31.676164][ T293] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227)
[ 31.676352][ T293] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557)
[ 31.676549][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358)
[ 31.676778][ T293] ? __create_object (mm/kmemleak.c:751)
[ 31.677072][ T293] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52))
[ 31.677274][ T293] rtnl_newlink (net/core/rtnetlink.c:3744)
[ 31.677412][ T293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647)
[ 31.677607][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541)
[ 31.677886][ T293] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227)
[ 31.678068][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3))
[ 31.678480][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5142)
[ 31.678667][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[ 31.678944][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541)
[ 31.679130][ T293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527)
[ 31.679330][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340)
[ 31.679508][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[ 31.679692][ T293] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[ 31.679879][ T293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342)
[ 31.680072][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249)
[ 31.680260][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[ 31.680447][ T293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820)
[ 31.680750][ T293] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381)
[ 31.680933][ T293] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279)
[ 31.681120][ T293] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597)
[ 31.681302][ T293] ? __pfx_____sys_sendmsg (net/socket.c:2543)
[ 31.681493][ T293] ? __pfx_copy_msghdr_from_user (net/socket.c:2523)
[ 31.681729][ T293] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824)
[ 31.681926][ T293] ___sys_sendmsg (net/socket.c:2653)
[ 31.682109][ T293] ? __pfx____sys_sendmsg (net/socket.c:2640)
[ 31.682386][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249)
[ 31.682565][ T293] ? __lock_release (kernel/locking/lockdep.c:5435)
[ 31.682738][ T293] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001)
[ 31.682959][ T293] ? __pfx___lock_release (kernel/locking/lockdep.c:5411)
[ 31.683254][ T293] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 31.683454][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358)
[ 31.683678][ T293] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145)
[ 31.683866][ T293] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
[ 31.684156][ T293] ? __pfx___sys_sendmsg (net/socket.c:2668)
[ 31.684333][ T293] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65)
[ 31.684533][ T293] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 31.684716][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 31.684954][ T293] RIP: 0033:0x7fe9878847b7
[ 31.685139][ T293] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
0: 0a 00 or (%rax),%al
2: f7 d8 neg %eax
4: 64 89 02 mov %eax,%fs:(%rdx)
7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax
e: eb b9 jmp 0xffffffffffffffc9
10: 0f 1f 00 nopl (%rax)
13: f3 0f 1e fa endbr64
17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax
1e: 00
1f: 85 c0 test %eax,%eax
21: 75 10 jne 0x33
23: b8 2e 00 00 00 mov $0x2e,%eax
28: 0f 05 syscall
2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction
30: 77 51 ja 0x83
32: c3 ret
33: 48 83 ec 28 sub $0x28,%rsp
37: 89 54 24 1c mov %edx,0x1c(%rsp)
3b: 48 89 74 24 10 mov %rsi,0x10(%rsp)
Code starting with the faulting instruction
===========================================
0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax
6: 77 51 ja 0x59
8: c3 ret
9: 48 83 ec 28 sub $0x28,%rsp
d: 89 54 24 1c mov %edx,0x1c(%rsp)
11: 48 89 74 24 10 mov %rsi,0x10(%rsp)
[ 31.685865][ T293] RSP: 002b:00007ffef399b0f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 31.686144][ T293] RAX: ffffffffffffffda RBX: 00007ffef399b820 RCX: 00007fe9878847b7
[ 31.686418][ T293] RDX: 0000000000000000 RSI: 00007ffef399b160 RDI: 0000000000000005
[ 31.686798][ T293] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 31.687084][ T293] R10: 00000000104c3910 R11: 0000000000000246 R12: 0000000000000004
[ 31.687348][ T293] R13: 0000000066bea1d0 R14: 0000000000496600 R15: 0000000000000000
| [ 31.689821][ T293] 1 lock held by ip/293:
| [ 31.689961][ T293] #0: ffffffffbd3bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645)
| [ 31.690336][ T293]
| [ 31.690336][ T293] stack backtrace:
[ 31.690939][ T293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 31.691330][ T293] Call Trace:
[ 31.691463][ T293] <TASK>
[ 31.691559][ T293] dump_stack_lvl (lib/dump_stack.c:122)
[ 31.691853][ T293] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725)
[ 31.692046][ T293] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.692300][ T293] br_get_link_af_size_filtered (net/bridge/br_private.h:1611 net/bridge/br_private.h:1608 net/bridge/br_netlink.c:107) bridge
[ 31.692546][ T293] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.692746][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358)
[ 31.693104][ T293] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.693324][ T293] ? rtnl_is_locked (net/core/rtnetlink.c:164)
[ 31.693516][ T293] ? netdev_master_upper_dev_get (net/core/dev.c:7102)
[ 31.693741][ T293] do_setlink (net/core/rtnetlink.c:2907)
[ 31.693908][ T293] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769)
[ 31.694194][ T293] ? __pfx_do_setlink (net/core/rtnetlink.c:2778)
[ 31.694365][ T293] ? is_bpf_text_address (./kernel/bpf/core.c:772)
[ 31.694544][ T293] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[ 31.694720][ T293] ? __kernel_text_address (kernel/extable.c:79)
[ 31.694896][ T293] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364)
[ 31.695177][ T293] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83)
[ 31.695491][ T293] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[ 31.695687][ T293] ? stack_trace_save (kernel/stacktrace.c:123)
[ 31.695875][ T293] ? __pfx_stack_trace_save (kernel/stacktrace.c:114)
[ 31.696051][ T293] ? __pfx_validate_nla (lib/nlattr.c:396)
[ 31.696219][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3))
[ 31.696472][ T293] ? kasan_save_stack (mm/kasan/common.c:49)
[ 31.696653][ T293] ? __nla_validate_parse (lib/nlattr.c:638)
[ 31.696828][ T293] __rtnl_newlink (net/core/rtnetlink.c:3696)
[ 31.697026][ T293] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227)
[ 31.697200][ T293] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557)
[ 31.697501][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358)
[ 31.697713][ T293] ? __create_object (mm/kmemleak.c:751)
[ 31.697885][ T293] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52))
[ 31.698079][ T293] rtnl_newlink (net/core/rtnetlink.c:3744)
[ 31.698281][ T293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647)
[ 31.698713][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541)
[ 31.698992][ T293] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227)
[ 31.699451][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3))
[ 31.699679][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5142)
[ 31.699975][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[ 31.700260][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541)
[ 31.700552][ T293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527)
[ 31.701061][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340)
[ 31.701352][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[ 31.701642][ T293] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[ 31.701935][ T293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342)
[ 31.702400][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249)
[ 31.702689][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[ 31.702972][ T293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820)
[ 31.703258][ T293] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381)
[ 31.703572][ T293] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279)
[ 31.703850][ T293] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597)
[ 31.704043][ T293] ? __pfx_____sys_sendmsg (net/socket.c:2543)
[ 31.704213][ T293] ? __pfx_copy_msghdr_from_user (net/socket.c:2523)
[ 31.704418][ T293] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824)
[ 31.704602][ T293] ___sys_sendmsg (net/socket.c:2653)
[ 31.704872][ T293] ? __pfx____sys_sendmsg (net/socket.c:2640)
[ 31.705060][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249)
[ 31.705229][ T293] ? __lock_release (kernel/locking/lockdep.c:5435)
[ 31.705491][ T293] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001)
[ 31.705704][ T293] ? __pfx___lock_release (kernel/locking/lockdep.c:5411)
[ 31.705990][ T293] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 31.706167][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358)
[ 31.706380][ T293] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145)
[ 31.706560][ T293] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
[ 31.706736][ T293] ? __pfx___sys_sendmsg (net/socket.c:2668)
[ 31.706901][ T293] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65)
[ 31.707318][ T293] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 31.707497][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 31.707706][ T293] RIP: 0033:0x7fe9878847b7
[ 31.707886][ T293] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
0: 0a 00 or (%rax),%al
2: f7 d8 neg %eax
4: 64 89 02 mov %eax,%fs:(%rdx)
7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax
e: eb b9 jmp 0xffffffffffffffc9
10: 0f 1f 00 nopl (%rax)
13: f3 0f 1e fa endbr64
17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax
1e: 00
1f: 85 c0 test %eax,%eax
21: 75 10 jne 0x33
23: b8 2e 00 00 00 mov $0x2e,%eax
28: 0f 05 syscall
2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction
30: 77 51 ja 0x83
32: c3 ret
33: 48 83 ec 28 sub $0x28,%rsp
37: 89 54 24 1c mov %edx,0x1c(%rsp)
3b: 48 89 74 24 10 mov %rsi,0x10(%rsp)
Code starting with the faulting instruction
===========================================
0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax
6: 77 51 ja 0x59
8: c3 ret
9: 48 83 ec 28 sub $0x28,%rsp
d: 89 54 24 1c mov %edx,0x1c(%rsp)
11: 48 89 74 24 10 mov %rsi,0x10(%rsp)
[ 31.708606][ T293] RSP: 002b:00007ffef399b0f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 31.708967][ T293] RAX: ffffffffffffffda RBX: 00007ffef399b820 RCX: 00007fe9878847b7
[ 31.709226][ T293] RDX: 0000000000000000 RSI: 00007ffef399b160 RDI: 0000000000000005
[ 31.709475][ T293] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 31.709746][ T293] R10: 00000000104c3910 R11: 0000000000000246 R12: 0000000000000004
Finger prints:
lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink