====================================== | [ 35.092717][ T331] 1 lock held by ip/331: | [ 35.092856][ T331] #0: ffffffff8c1bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 35.093227][ T331] | [ 35.093227][ T331] stack backtrace: [ 35.093729][ T331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 35.094140][ T331] Call Trace: [ 35.094301][ T331] [ 35.094389][ T331] dump_stack_lvl (lib/dump_stack.c:122) [ 35.094574][ T331] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 35.094763][ T331] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 35.095067][ T331] 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 [ 35.095318][ T331] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 35.095534][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.095762][ T331] br_add_if (net/bridge/br_if.c:692) bridge [ 35.095989][ T331] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 35.096178][ T331] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 35.096419][ T331] do_setlink (net/core/rtnetlink.c:2907) [ 35.096602][ T331] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 35.096773][ T331] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 35.096961][ T331] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 35.097129][ T331] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 35.097305][ T331] ? __kernel_text_address (kernel/extable.c:79) [ 35.097473][ T331] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 35.097647][ T331] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 35.097861][ T331] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 35.098052][ T331] ? stack_trace_save (kernel/stacktrace.c:123) [ 35.098227][ T331] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 35.098398][ T331] ? __pfx_validate_nla (lib/nlattr.c:396) [ 35.098571][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.098700][ T331] ? kasan_save_stack (mm/kasan/common.c:49) [ 35.098890][ T331] ? __nla_validate_parse (lib/nlattr.c:638) [ 35.099082][ T331] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 35.099256][ T331] ? 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) [ 35.099433][ T331] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 35.099603][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.099824][ T331] ? __create_object (mm/kmemleak.c:751) [ 35.100021][ T331] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 35.100196][ T331] rtnl_newlink (net/core/rtnetlink.c:3744) [ 35.100327][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 35.100499][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.100673][ T331] ? 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) [ 35.100839][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.101011][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 35.101205][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 35.101374][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.101544][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 35.101726][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 35.101897][ T331] ? 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) [ 35.102079][ T331] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 35.102256][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 35.102427][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.102601][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 35.102779][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 35.102955][ T331] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 35.103125][ T331] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 35.103298][ T331] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 35.103476][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 35.103642][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 35.103847][ T331] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 35.104048][ T331] ___sys_sendmsg (net/socket.c:2653) [ 35.104220][ T331] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 35.104391][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.104559][ T331] ? __lock_release (kernel/locking/lockdep.c:5435) [ 35.104725][ T331] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 35.104947][ T331] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 35.105141][ T331] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 35.105313][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.105523][ T331] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 35.105699][ T331] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 35.105867][ T331] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 35.106032][ T331] ? __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) [ 35.106223][ T331] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 35.106394][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 35.106602][ T331] RIP: 0033:0x7ffa218a37b7 [ 35.106780][ T331] 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) [ 35.107357][ T331] RSP: 002b:00007ffef9ee0b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.107614][ T331] RAX: ffffffffffffffda RBX: 00007ffef9ee12a0 RCX: 00007ffa218a37b7 [ 35.107863][ T331] RDX: 0000000000000000 RSI: 00007ffef9ee0be0 RDI: 0000000000000005 [ 35.108137][ T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 35.108385][ T331] R10: 0000000031149910 R11: 0000000000000246 R12: 0000000000000004 [ 35.108642][ T331] R13: 0000000066bea4d7 R14: 0000000000496600 R15: 0000000000000000 | [ 35.110702][ T331] 1 lock held by ip/331: | [ 35.110834][ T331] #0: ffffffff8c1bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 35.111147][ T331] | [ 35.111147][ T331] stack backtrace: [ 35.111614][ T331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 35.112003][ T331] Call Trace: [ 35.112145][ T331] [ 35.112234][ T331] dump_stack_lvl (lib/dump_stack.c:122) [ 35.112412][ T331] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 35.112580][ T331] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 35.112835][ T331] 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 [ 35.113088][ T331] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 35.113298][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.113506][ T331] br_add_if (net/bridge/br_if.c:692) bridge [ 35.113718][ T331] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 35.113889][ T331] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 35.114102][ T331] do_setlink (net/core/rtnetlink.c:2907) [ 35.114274][ T331] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 35.114443][ T331] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 35.114618][ T331] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 35.114785][ T331] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 35.114954][ T331] ? __kernel_text_address (kernel/extable.c:79) [ 35.115128][ T331] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 35.115294][ T331] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 35.115503][ T331] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 35.115684][ T331] ? stack_trace_save (kernel/stacktrace.c:123) [ 35.115853][ T331] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 35.116051][ T331] ? __pfx_validate_nla (lib/nlattr.c:396) [ 35.116222][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.116353][ T331] ? kasan_save_stack (mm/kasan/common.c:49) [ 35.116530][ T331] ? __nla_validate_parse (lib/nlattr.c:638) [ 35.116705][ T331] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 35.116882][ T331] ? 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) [ 35.117055][ T331] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 35.117229][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.117440][ T331] ? __create_object (mm/kmemleak.c:751) [ 35.117622][ T331] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 35.117794][ T331] rtnl_newlink (net/core/rtnetlink.c:3744) [ 35.117927][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 35.118098][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.118269][ T331] ? 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) [ 35.118437][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.118578][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 35.118749][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 35.118938][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.119108][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 35.119291][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 35.119459][ T331] ? 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) [ 35.119628][ T331] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 35.119813][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 35.120004][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.120183][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 35.120356][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 35.120524][ T331] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 35.120696][ T331] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 35.120876][ T331] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 35.121045][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 35.121218][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 35.121434][ T331] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 35.121617][ T331] ___sys_sendmsg (net/socket.c:2653) [ 35.121788][ T331] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 35.121960][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.122132][ T331] ? __lock_release (kernel/locking/lockdep.c:5435) [ 35.122304][ T331] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 35.122511][ T331] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 35.122688][ T331] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 35.122875][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.123084][ T331] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 35.123258][ T331] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 35.123439][ T331] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 35.123761][ T331] ? __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) [ 35.123953][ T331] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 35.124148][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 35.124362][ T331] RIP: 0033:0x7ffa218a37b7 [ 35.124641][ T331] 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) [ 35.125215][ T331] RSP: 002b:00007ffef9ee0b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.125562][ T331] RAX: ffffffffffffffda RBX: 00007ffef9ee12a0 RCX: 00007ffa218a37b7 [ 35.125817][ T331] RDX: 0000000000000000 RSI: 00007ffef9ee0be0 RDI: 0000000000000005 [ 35.126070][ T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 35.126421][ T331] R10: 0000000031149910 R11: 0000000000000246 R12: 0000000000000004 [ 35.126669][ T331] R13: 0000000066bea4d7 R14: 0000000000496600 R15: 0000000000000000 | [ 35.128904][ T331] 1 lock held by ip/331: | [ 35.129044][ T331] #0: ffffffff8c1bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 35.129444][ T331] | [ 35.129444][ T331] stack backtrace: [ 35.129899][ T331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 35.130364][ T331] Call Trace: [ 35.130494][ T331] [ 35.130582][ T331] dump_stack_lvl (lib/dump_stack.c:122) [ 35.130754][ T331] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 35.130921][ T331] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 35.131270][ T331] 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 [ 35.131513][ T331] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 35.131711][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.131921][ T331] br_add_if (net/bridge/br_if.c:692) bridge [ 35.132142][ T331] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 35.132310][ T331] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 35.132521][ T331] do_setlink (net/core/rtnetlink.c:2907) [ 35.132809][ T331] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 35.132981][ T331] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 35.133147][ T331] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 35.133315][ T331] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 35.133580][ T331] ? __kernel_text_address (kernel/extable.c:79) [ 35.133745][ T331] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 35.133910][ T331] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 35.134118][ T331] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 35.134399][ T331] ? stack_trace_save (kernel/stacktrace.c:123) [ 35.134567][ T331] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 35.134739][ T331] ? __pfx_validate_nla (lib/nlattr.c:396) [ 35.134907][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.135039][ T331] ? kasan_save_stack (mm/kasan/common.c:49) [ 35.135308][ T331] ? __nla_validate_parse (lib/nlattr.c:638) [ 35.135481][ T331] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 35.135656][ T331] ? 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) [ 35.135823][ T331] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 35.136094][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.136314][ T331] ? __create_object (mm/kmemleak.c:751) [ 35.136486][ T331] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 35.136665][ T331] rtnl_newlink (net/core/rtnetlink.c:3744) [ 35.136797][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 35.136973][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.137142][ T331] ? 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) [ 35.137314][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.137448][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 35.137626][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 35.137798][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.137974][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 35.138163][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 35.138427][ T331] ? 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) [ 35.138598][ T331] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 35.138770][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 35.138949][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.139218][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 35.139395][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 35.139560][ T331] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 35.139730][ T331] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 35.139905][ T331] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 35.140174][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 35.140340][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 35.140543][ T331] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 35.140721][ T331] ___sys_sendmsg (net/socket.c:2653) [ 35.140892][ T331] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 35.141059][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.141230][ T331] ? __lock_release (kernel/locking/lockdep.c:5435) [ 35.141392][ T331] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 35.141599][ T331] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 35.141768][ T331] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 35.141940][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.142148][ T331] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 35.142421][ T331] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 35.142587][ T331] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 35.142751][ T331] ? __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) [ 35.142937][ T331] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 35.143210][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 35.143417][ T331] RIP: 0033:0x7ffa218a37b7 [ 35.143603][ T331] 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) [ 35.144181][ T331] RSP: 002b:00007ffef9ee0b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.144431][ T331] RAX: ffffffffffffffda RBX: 00007ffef9ee12a0 RCX: 00007ffa218a37b7 [ 35.144687][ T331] RDX: 0000000000000000 RSI: 00007ffef9ee0be0 RDI: 0000000000000005 [ 35.144934][ T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 35.145192][ T331] R10: 0000000031149910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink