====================================== | [ 196.845316][ T1021] 1 lock held by ip/1021: | [ 196.845445][ T1021] #0: ffffffff961bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 196.845759][ T1021] | [ 196.845759][ T1021] stack backtrace: [ 196.846239][ T1021] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 196.846615][ T1021] Call Trace: [ 196.846747][ T1021] [ 196.846990][ T1021] dump_stack_lvl (lib/dump_stack.c:122) [ 196.847172][ T1021] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 196.847550][ T1021] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 196.847836][ T1021] 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 [ 196.848093][ T1021] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 196.848289][ T1021] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 196.848597][ T1021] br_add_if (net/bridge/br_if.c:692) bridge [ 196.848799][ T1021] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 196.848969][ T1021] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 196.849182][ T1021] do_setlink (net/core/rtnetlink.c:2907) [ 196.849454][ T1021] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 196.849632][ T1021] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 196.849798][ T1021] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 196.849966][ T1021] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 196.850139][ T1021] ? __kernel_text_address (kernel/extable.c:79) [ 196.850304][ T1021] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 196.850471][ T1021] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 196.850677][ T1021] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 196.850856][ T1021] ? stack_trace_save (kernel/stacktrace.c:123) [ 196.851027][ T1021] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 196.851198][ T1021] ? __pfx_validate_nla (lib/nlattr.c:396) [ 196.851365][ T1021] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 196.851497][ T1021] ? kasan_save_stack (mm/kasan/common.c:49) [ 196.851675][ T1021] ? __nla_validate_parse (lib/nlattr.c:638) [ 196.851850][ T1021] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 196.852024][ T1021] ? 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) [ 196.852195][ T1021] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 196.852373][ T1021] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 196.852589][ T1021] ? __create_object (mm/kmemleak.c:751) [ 196.852762][ T1021] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 196.852938][ T1021] rtnl_newlink (net/core/rtnetlink.c:3744) [ 196.853071][ T1021] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 196.853246][ T1021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 196.853414][ T1021] ? 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) [ 196.853580][ T1021] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 196.853716][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 196.853885][ T1021] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 196.854059][ T1021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 196.854238][ T1021] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 196.854426][ T1021] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 196.854696][ T1021] ? 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) [ 196.854864][ T1021] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 196.855036][ T1021] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 196.855204][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 196.855477][ T1021] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 196.855648][ T1021] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 196.855813][ T1021] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 196.856005][ T1021] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 196.856282][ T1021] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 196.856465][ T1021] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 196.856631][ T1021] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 196.856837][ T1021] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 196.857113][ T1021] ___sys_sendmsg (net/socket.c:2653) [ 196.857288][ T1021] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 196.857456][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 196.857629][ T1021] ? __lock_release (kernel/locking/lockdep.c:5435) [ 196.857795][ T1021] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 196.858107][ T1021] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 196.858278][ T1021] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 196.858454][ T1021] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 196.858764][ T1021] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 196.858941][ T1021] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 196.859111][ T1021] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 196.859282][ T1021] ? __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) [ 196.859476][ T1021] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 196.859654][ T1021] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 196.859866][ T1021] RIP: 0033:0x7f9a70fbb7b7 [ 196.860047][ T1021] 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) [ 196.860733][ T1021] RSP: 002b:00007ffd9760a428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 196.860994][ T1021] RAX: ffffffffffffffda RBX: 00007ffd9760ab50 RCX: 00007f9a70fbb7b7 [ 196.861385][ T1021] RDX: 0000000000000000 RSI: 00007ffd9760a490 RDI: 0000000000000005 [ 196.861643][ T1021] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 196.861894][ T1021] R10: 000000003a628910 R11: 0000000000000246 R12: 0000000000000004 [ 196.862146][ T1021] R13: 0000000066be9f83 R14: 0000000000496600 R15: 0000000000000000 | [ 196.864611][ T1021] 1 lock held by ip/1021: | [ 196.864741][ T1021] #0: ffffffff961bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 196.865175][ T1021] | [ 196.865175][ T1021] stack backtrace: [ 196.865741][ T1021] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 196.866130][ T1021] Call Trace: [ 196.866263][ T1021] [ 196.866353][ T1021] dump_stack_lvl (lib/dump_stack.c:122) [ 196.866530][ T1021] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 196.866811][ T1021] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 196.867062][ T1021] 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 [ 196.867313][ T1021] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 196.867615][ T1021] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 196.867825][ T1021] br_add_if (net/bridge/br_if.c:692) bridge [ 196.868028][ T1021] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 196.868292][ T1021] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 196.868509][ T1021] do_setlink (net/core/rtnetlink.c:2907) [ 196.868682][ T1021] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 196.868861][ T1021] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 196.869141][ T1021] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 196.869310][ T1021] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 196.869479][ T1021] ? __kernel_text_address (kernel/extable.c:79) [ 196.869648][ T1021] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 196.869915][ T1021] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 196.870122][ T1021] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 196.870311][ T1021] ? stack_trace_save (kernel/stacktrace.c:123) [ 196.870478][ T1021] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 196.870747][ T1021] ? __pfx_validate_nla (lib/nlattr.c:396) [ 196.870920][ T1021] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 196.871053][ T1021] ? kasan_save_stack (mm/kasan/common.c:49) [ 196.871226][ T1021] ? __nla_validate_parse (lib/nlattr.c:638) [ 196.871505][ T1021] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 196.871683][ T1021] ? 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) [ 196.871851][ T1021] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 196.872029][ T1021] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 196.872237][ T1021] ? __create_object (mm/kmemleak.c:751) [ 196.872406][ T1021] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 196.872578][ T1021] rtnl_newlink (net/core/rtnetlink.c:3744) [ 196.872706][ T1021] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 196.872879][ T1021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 196.873142][ T1021] ? 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) [ 196.873311][ T1021] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 196.873448][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 196.873616][ T1021] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 196.873880][ T1021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 196.874048][ T1021] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 196.874232][ T1021] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 196.874399][ T1021] ? 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) [ 196.874567][ T1021] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 196.874832][ T1021] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 196.875001][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 196.875170][ T1021] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 196.875344][ T1021] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 196.875604][ T1021] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 196.875772][ T1021] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 196.875958][ T1021] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 196.876129][ T1021] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 196.876393][ T1021] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 196.876605][ T1021] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 196.876783][ T1021] ___sys_sendmsg (net/socket.c:2653) [ 196.876952][ T1021] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 196.877231][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 196.877400][ T1021] ? __lock_release (kernel/locking/lockdep.c:5435) [ 196.877562][ T1021] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 196.877767][ T1021] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 196.877939][ T1021] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 196.878115][ T1021] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 196.878322][ T1021] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 196.878501][ T1021] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 196.878667][ T1021] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 196.878831][ T1021] ? __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) [ 196.879024][ T1021] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 196.879191][ T1021] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 196.879590][ T1021] RIP: 0033:0x7f9a70fbb7b7 [ 196.879774][ T1021] 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) [ 196.880448][ T1021] RSP: 002b:00007ffd9760a428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 196.880698][ T1021] RAX: ffffffffffffffda RBX: 00007ffd9760ab50 RCX: 00007f9a70fbb7b7 [ 196.880945][ T1021] RDX: 0000000000000000 RSI: 00007ffd9760a490 RDI: 0000000000000005 [ 196.881305][ T1021] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 196.881556][ T1021] R10: 000000003a628910 R11: 0000000000000246 R12: 0000000000000004 [ 196.881802][ T1021] R13: 0000000066be9f83 R14: 0000000000496600 R15: 0000000000000000 | [ 196.883870][ T1021] 1 lock held by ip/1021: | [ 196.883999][ T1021] #0: ffffffff961bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 196.884415][ T1021] | [ 196.884415][ T1021] stack backtrace: [ 196.884866][ T1021] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 196.885243][ T1021] Call Trace: [ 196.885371][ T1021] [ 196.885459][ T1021] dump_stack_lvl (lib/dump_stack.c:122) [ 196.885634][ T1021] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 196.885800][ T1021] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 196.886052][ T1021] 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 [ 196.886298][ T1021] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 196.886597][ T1021] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 196.886804][ T1021] br_add_if (net/bridge/br_if.c:692) bridge [ 196.887003][ T1021] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 196.887166][ T1021] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 196.887473][ T1021] do_setlink (net/core/rtnetlink.c:2907) [ 196.887643][ T1021] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 196.887810][ T1021] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 196.887974][ T1021] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 196.888245][ T1021] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 196.888413][ T1021] ? __kernel_text_address (kernel/extable.c:79) [ 196.888577][ T1021] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 196.888744][ T1021] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 196.888951][ T1021] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 196.889128][ T1021] ? stack_trace_save (kernel/stacktrace.c:123) [ 196.889292][ T1021] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 196.889457][ T1021] ? __pfx_validate_nla (lib/nlattr.c:396) [ 196.889627][ T1021] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 196.889756][ T1021] ? kasan_save_stack (mm/kasan/common.c:49) [ 196.889929][ T1021] ? __nla_validate_parse (lib/nlattr.c:638) [ 196.890101][ T1021] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 196.890272][ T1021] ? 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) [ 196.890536][ T1021] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 196.890707][ T1021] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 196.890913][ T1021] ? __create_object (mm/kmemleak.c:751) [ 196.891086][ T1021] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 196.891358][ T1021] rtnl_newlink (net/core/rtnetlink.c:3744) [ 196.891486][ T1021] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 196.891653][ T1021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 196.891817][ T1021] ? 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) [ 196.891990][ T1021] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 196.892321][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 196.892493][ T1021] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 196.892658][ T1021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 196.892829][ T1021] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 196.893011][ T1021] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 196.893177][ T1021] ? 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) [ 196.893346][ T1021] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 196.893518][ T1021] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 196.893686][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 196.893856][ T1021] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 196.894026][ T1021] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 196.894197][ T1021] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 196.894366][ T1021] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 196.894636][ T1021] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 196.894806][ T1021] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 196.894970][ T1021] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 196.895173][ T1021] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 196.895446][ T1021] ___sys_sendmsg (net/socket.c:2653) [ 196.895615][ T1021] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 196.895786][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 196.895968][ T1021] ? __lock_release (kernel/locking/lockdep.c:5435) [ 196.896236][ T1021] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 196.896440][ T1021] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 196.896608][ T1021] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 196.896780][ T1021] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 196.896992][ T1021] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 196.897178][ T1021] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 196.897343][ T1021] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 196.897507][ T1021] ? __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) [ 196.897694][ T1021] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 196.897862][ T1021] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 196.898067][ T1021] RIP: 0033:0x7f9a70fbb7b7 [ 196.898248][ T1021] 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) [ 196.898926][ T1021] RSP: 002b:00007ffd9760a428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 196.899279][ T1021] RAX: ffffffffffffffda RBX: 00007ffd9760ab50 RCX: 00007f9a70fbb7b7 [ 196.899530][ T1021] RDX: 0000000000000000 RSI: 00007ffd9760a490 RDI: 0000000000000005 [ 196.899775][ T1021] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 196.900026][ T1021] R10: 000000003a628910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink