====================================== | [ 203.915711][ T1402] 1 lock held by ip/1402: | [ 203.915926][ T1402] #0: ffffffffa97bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 203.916240][ T1402] | [ 203.916240][ T1402] stack backtrace: [ 203.916701][ T1402] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 203.917076][ T1402] Call Trace: [ 203.917214][ T1402] [ 203.917305][ T1402] dump_stack_lvl (lib/dump_stack.c:122) [ 203.917485][ T1402] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 203.917654][ T1402] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 203.918293][ T1402] 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 [ 203.918538][ T1402] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 203.918734][ T1402] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 203.918952][ T1402] br_add_if (net/bridge/br_if.c:692) bridge [ 203.919156][ T1402] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 203.919323][ T1402] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 203.919644][ T1402] do_setlink (net/core/rtnetlink.c:2907) [ 203.919813][ T1402] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 203.919985][ T1402] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 203.920157][ T1402] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 203.920323][ T1402] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 203.920500][ T1402] ? __kernel_text_address (kernel/extable.c:79) [ 203.920678][ T1402] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 203.920846][ T1402] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 203.921057][ T1402] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 203.921244][ T1402] ? stack_trace_save (kernel/stacktrace.c:123) [ 203.921412][ T1402] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 203.921578][ T1402] ? __pfx_validate_nla (lib/nlattr.c:396) [ 203.921746][ T1402] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 203.921882][ T1402] ? kasan_save_stack (mm/kasan/common.c:49) [ 203.922054][ T1402] ? __nla_validate_parse (lib/nlattr.c:638) [ 203.922231][ T1402] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 203.922419][ T1402] ? 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) [ 203.922589][ T1402] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 203.922776][ T1402] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 203.922989][ T1402] ? __create_object (mm/kmemleak.c:751) [ 203.923159][ T1402] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 203.923331][ T1402] rtnl_newlink (net/core/rtnetlink.c:3744) [ 203.923465][ T1402] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 203.923637][ T1402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 203.923805][ T1402] ? 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) [ 203.923974][ T1402] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 203.924107][ T1402] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 203.924276][ T1402] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 203.924446][ T1402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 203.924614][ T1402] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 203.924805][ T1402] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 203.924976][ T1402] ? 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) [ 203.925147][ T1402] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 203.925319][ T1402] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 203.925487][ T1402] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 203.925660][ T1402] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 203.925832][ T1402] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 203.925998][ T1402] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 203.926174][ T1402] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 203.926349][ T1402] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 203.926522][ T1402] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 203.926688][ T1402] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 203.926896][ T1402] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 203.927075][ T1402] ___sys_sendmsg (net/socket.c:2653) [ 203.927248][ T1402] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 203.927436][ T1402] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 203.927609][ T1402] ? __lock_release (kernel/locking/lockdep.c:5435) [ 203.927782][ T1402] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 203.927992][ T1402] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 203.928160][ T1402] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 203.928330][ T1402] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 203.928550][ T1402] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 203.928728][ T1402] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 203.928905][ T1402] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 203.929076][ T1402] ? __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) [ 203.929274][ T1402] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 203.929446][ T1402] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 203.929665][ T1402] RIP: 0033:0x7fdd100317b7 [ 203.929856][ T1402] 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) [ 203.930434][ T1402] RSP: 002b:00007ffcee40eec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 203.930696][ T1402] RAX: ffffffffffffffda RBX: 00007ffcee40f5f0 RCX: 00007fdd100317b7 [ 203.930973][ T1402] RDX: 0000000000000000 RSI: 00007ffcee40ef30 RDI: 0000000000000005 [ 203.931224][ T1402] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 203.931476][ T1402] R10: 00000000257bf910 R11: 0000000000000246 R12: 0000000000000004 [ 203.931739][ T1402] R13: 0000000066bea1fd R14: 0000000000496600 R15: 0000000000000000 | [ 203.933876][ T1402] 1 lock held by ip/1402: | [ 203.934010][ T1402] #0: ffffffffa97bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 203.934328][ T1402] | [ 203.934328][ T1402] stack backtrace: [ 203.934796][ T1402] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 203.935171][ T1402] Call Trace: [ 203.935314][ T1402] [ 203.935413][ T1402] dump_stack_lvl (lib/dump_stack.c:122) [ 203.935587][ T1402] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 203.935782][ T1402] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 203.936030][ T1402] 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 [ 203.936283][ T1402] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 203.936498][ T1402] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 203.936709][ T1402] br_add_if (net/bridge/br_if.c:692) bridge [ 203.936913][ T1402] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 203.937081][ T1402] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 203.937311][ T1402] do_setlink (net/core/rtnetlink.c:2907) [ 203.937486][ T1402] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 203.937661][ T1402] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 203.937841][ T1402] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 203.938012][ T1402] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 203.938183][ T1402] ? __kernel_text_address (kernel/extable.c:79) [ 203.938362][ T1402] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 203.938536][ T1402] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 203.938755][ T1402] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 203.938938][ T1402] ? stack_trace_save (kernel/stacktrace.c:123) [ 203.939115][ T1402] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 203.939282][ T1402] ? __pfx_validate_nla (lib/nlattr.c:396) [ 203.939463][ T1402] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 203.939594][ T1402] ? kasan_save_stack (mm/kasan/common.c:49) [ 203.939778][ T1402] ? __nla_validate_parse (lib/nlattr.c:638) [ 203.939952][ T1402] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 203.940134][ T1402] ? 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) [ 203.940305][ T1402] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 203.940482][ T1402] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 203.940700][ T1402] ? __create_object (mm/kmemleak.c:751) [ 203.940879][ T1402] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 203.941054][ T1402] rtnl_newlink (net/core/rtnetlink.c:3744) [ 203.941195][ T1402] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 203.941380][ T1402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 203.941564][ T1402] ? 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) [ 203.941749][ T1402] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 203.941889][ T1402] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 203.942082][ T1402] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 203.942265][ T1402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 203.942451][ T1402] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 203.942645][ T1402] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 203.942826][ T1402] ? 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) [ 203.943016][ T1402] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 203.943202][ T1402] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 203.943386][ T1402] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 203.943574][ T1402] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 203.943761][ T1402] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 203.943938][ T1402] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 203.944127][ T1402] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 203.944314][ T1402] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 203.944499][ T1402] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 203.944683][ T1402] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 203.944912][ T1402] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 203.945103][ T1402] ___sys_sendmsg (net/socket.c:2653) [ 203.945287][ T1402] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 203.945464][ T1402] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 203.945647][ T1402] ? __lock_release (kernel/locking/lockdep.c:5435) [ 203.945824][ T1402] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 203.946051][ T1402] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 203.946231][ T1402] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 203.946420][ T1402] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 203.946646][ T1402] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 203.946838][ T1402] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 203.947019][ T1402] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 203.947201][ T1402] ? __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) [ 203.947405][ T1402] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 203.947591][ T1402] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 203.947815][ T1402] RIP: 0033:0x7fdd100317b7 [ 203.948006][ T1402] 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) [ 203.948621][ T1402] RSP: 002b:00007ffcee40eec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 203.949111][ T1402] RAX: ffffffffffffffda RBX: 00007ffcee40f5f0 RCX: 00007fdd100317b7 [ 203.949379][ T1402] RDX: 0000000000000000 RSI: 00007ffcee40ef30 RDI: 0000000000000005 [ 203.949649][ T1402] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 203.949921][ T1402] R10: 00000000257bf910 R11: 0000000000000246 R12: 0000000000000004 [ 203.950187][ T1402] R13: 0000000066bea1fd R14: 0000000000496600 R15: 0000000000000000 | [ 203.952542][ T1402] 1 lock held by ip/1402: | [ 203.952680][ T1402] #0: ffffffffa97bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 203.953110][ T1402] | [ 203.953110][ T1402] stack backtrace: [ 203.953604][ T1402] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 203.954096][ T1402] Call Trace: [ 203.954233][ T1402] [ 203.954329][ T1402] dump_stack_lvl (lib/dump_stack.c:122) [ 203.954516][ T1402] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 203.954698][ T1402] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 203.955074][ T1402] 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 [ 203.955338][ T1402] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 203.955550][ T1402] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 203.955785][ T1402] br_add_if (net/bridge/br_if.c:692) bridge [ 203.955996][ T1402] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 203.956173][ T1402] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 203.956403][ T1402] do_setlink (net/core/rtnetlink.c:2907) [ 203.956585][ T1402] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 203.956777][ T1402] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 203.956958][ T1402] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 203.957142][ T1402] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 203.957322][ T1402] ? __kernel_text_address (kernel/extable.c:79) [ 203.957596][ T1402] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 203.957773][ T1402] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 203.957994][ T1402] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 203.958186][ T1402] ? stack_trace_save (kernel/stacktrace.c:123) [ 203.958468][ T1402] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 203.958646][ T1402] ? __pfx_validate_nla (lib/nlattr.c:396) [ 203.958825][ T1402] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 203.958963][ T1402] ? kasan_save_stack (mm/kasan/common.c:49) [ 203.959243][ T1402] ? __nla_validate_parse (lib/nlattr.c:638) [ 203.959427][ T1402] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 203.959611][ T1402] ? 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) [ 203.959788][ T1402] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 203.960076][ T1402] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 203.960299][ T1402] ? __create_object (mm/kmemleak.c:751) [ 203.960482][ T1402] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 203.960674][ T1402] rtnl_newlink (net/core/rtnetlink.c:3744) [ 203.960821][ T1402] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 203.961113][ T1402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 203.961293][ T1402] ? 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) [ 203.961471][ T1402] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 203.961612][ T1402] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 203.961801][ T1402] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 203.961982][ T1402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 203.962162][ T1402] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 203.962356][ T1402] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 203.962536][ T1402] ? 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) [ 203.962718][ T1402] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 203.962901][ T1402] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 203.963088][ T1402] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 203.963272][ T1402] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 203.963456][ T1402] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 203.963630][ T1402] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 203.963813][ T1402] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 203.963998][ T1402] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 203.964273][ T1402] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 203.964449][ T1402] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 203.964667][ T1402] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 203.964858][ T1402] ___sys_sendmsg (net/socket.c:2653) [ 203.965229][ T1402] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 203.965409][ T1402] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 203.965587][ T1402] ? __lock_release (kernel/locking/lockdep.c:5435) [ 203.965768][ T1402] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 203.966084][ T1402] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 203.966263][ T1402] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 203.966451][ T1402] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 203.966674][ T1402] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 203.966956][ T1402] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 203.967132][ T1402] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 203.967306][ T1402] ? __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) [ 203.967503][ T1402] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 203.967684][ T1402] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 203.967901][ T1402] RIP: 0033:0x7fdd100317b7 [ 203.968088][ T1402] 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) [ 203.968693][ T1402] RSP: 002b:00007ffcee40eec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 203.968959][ T1402] RAX: ffffffffffffffda RBX: 00007ffcee40f5f0 RCX: 00007fdd100317b7 [ 203.969320][ T1402] RDX: 0000000000000000 RSI: 00007ffcee40ef30 RDI: 0000000000000005 [ 203.969588][ T1402] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 203.969855][ T1402] R10: 00000000257bf910 R11: 0000000000000246 R12: 0000000000000004 [ 203.970211][ T1402] R13: 0000000066bea1fd R14: 0000000000496600 R15: 0000000000000000 | [ 204.617233][ T1406] 1 lock held by bridge/1406: | [ 204.617497][ T1406] #0: ffffffffa97bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 204.617913][ T1406] | [ 204.617913][ T1406] stack backtrace: [ 204.618470][ T1406] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 204.618870][ T1406] Call Trace: [ 204.619008][ T1406] [ 204.619102][ T1406] dump_stack_lvl (lib/dump_stack.c:122) [ 204.619288][ T1406] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 204.619477][ T1406] br_get_link_af_size_filtered (net/bridge/br_private.h:1605 net/bridge/br_private.h:1602 net/bridge/br_netlink.c:110) bridge [ 204.619751][ T1406] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 204.619962][ T1406] br_setlink (net/bridge/br_netlink.c:669 net/bridge/br_netlink.c:1136) bridge [ 204.620171][ T1406] ? __pfx_br_setlink (net/bridge/br_netlink.c:1085) bridge [ 204.620387][ T1406] ? lock_acquire.part.0 (kernel/locking/lockdep.c:466 kernel/locking/lockdep.c:5761) [ 204.620567][ T1406] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) [ 204.620762][ T1406] ? 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) [ 204.620944][ T1406] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:129) [ 204.621129][ T1406] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:104) [ 204.621354][ T1406] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) [ 204.621534][ T1406] ? lock_acquire (kernel/locking/lockdep.c:5732) [ 204.621715][ T1406] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 52)) [ 204.621894][ T1406] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:618 kernel/locking/mutex.c:752) [ 204.622074][ T1406] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 204.622255][ T1406] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) [ 204.622436][ T1406] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 204.622620][ T1406] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 204.622801][ T1406] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5724) [ 204.622982][ T1406] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 204.623166][ T1406] rtnl_bridge_setlink (net/core/rtnetlink.c:5225) [ 204.623347][ T1406] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 204.623528][ T1406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 204.623709][ T1406] ? 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) [ 204.623887][ T1406] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 204.624032][ T1406] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 204.624215][ T1406] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 204.624397][ T1406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 204.624582][ T1406] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 204.624778][ T1406] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 204.624958][ T1406] ? 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) [ 204.625140][ T1406] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 204.625328][ T1406] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 204.625515][ T1406] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 204.625701][ T1406] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 204.625884][ T1406] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 204.626066][ T1406] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 204.626254][ T1406] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 204.626446][ T1406] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 204.626634][ T1406] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 204.626813][ T1406] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 204.627046][ T1406] ? 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) [ 204.627235][ T1406] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3758 kernel/locking/lockdep.c:3781 kernel/locking/lockdep.c:3836) [ 204.627422][ T1406] ___sys_sendmsg (net/socket.c:2653) [ 204.627604][ T1406] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 204.627788][ T1406] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 204.627981][ T1406] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 204.628168][ T1406] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 204.628348][ T1406] ? __lock_release (kernel/locking/lockdep.c:5435) [ 204.628529][ T1406] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 204.628712][ T1406] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 204.628896][ T1406] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 204.629074][ T1406] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 204.629273][ T1406] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 204.629453][ T1406] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 204.629680][ T1406] RIP: 0033:0x7fd587a4f7b7 [ 204.629866][ T1406] 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) [ 204.630481][ T1406] RSP: 002b:00007ffe741e9f28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 204.630775][ T1406] RAX: ffffffffffffffda RBX: 000000000000ffff RCX: 00007fd587a4f7b7 [ 204.631038][ T1406] RDX: 0000000000000000 RSI: 00007ffe741e9f90 RDI: 0000000000000005 [ 204.631300][ T1406] RBP: 00007ffe741ea080 R08: 0000000000000034 R09: 0000000000000000 [ 204.631570][ T1406] R10: 00007fd587908708 R11: 0000000000000246 R12: 000000000000022b Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_setlink:rtnl_bridge_setlink lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink