====================================== | [ 31.980054][ T297] 1 lock held by ip/297: | [ 31.980190][ T297] #0: ffffffffa59bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 31.980496][ T297] | [ 31.980496][ T297] stack backtrace: [ 31.980980][ T297] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.981379][ T297] Call Trace: [ 31.981515][ T297] [ 31.981607][ T297] dump_stack_lvl (lib/dump_stack.c:122) [ 31.981820][ T297] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 31.981984][ T297] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 31.982280][ T297] 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 [ 31.982544][ T297] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 31.982765][ T297] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.982989][ T297] br_add_if (net/bridge/br_if.c:692) bridge [ 31.983247][ T297] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 31.983451][ T297] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 31.983667][ T297] do_setlink (net/core/rtnetlink.c:2907) [ 31.983857][ T297] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 31.984047][ T297] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 31.984242][ T297] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 31.984407][ T297] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 31.984606][ T297] ? __kernel_text_address (kernel/extable.c:79) [ 31.984772][ T297] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 31.984955][ T297] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 31.985174][ T297] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 31.985354][ T297] ? stack_trace_save (kernel/stacktrace.c:123) [ 31.985653][ T297] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 31.985857][ T297] ? __pfx_validate_nla (lib/nlattr.c:396) [ 31.986032][ T297] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.986164][ T297] ? kasan_save_stack (mm/kasan/common.c:49) [ 31.986363][ T297] ? __nla_validate_parse (lib/nlattr.c:638) [ 31.986549][ T297] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 31.986765][ T297] ? 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) [ 31.987000][ T297] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 31.987238][ T297] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.987526][ T297] ? __create_object (mm/kmemleak.c:751) [ 31.987697][ T297] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 31.987871][ T297] rtnl_newlink (net/core/rtnetlink.c:3744) [ 31.988014][ T297] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 31.988189][ T297] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.988372][ T297] ? 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) [ 31.988541][ T297] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.988692][ T297] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 31.988863][ T297] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 31.989034][ T297] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.989201][ T297] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 31.989390][ T297] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 31.989561][ T297] ? 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) [ 31.989736][ T297] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 31.989909][ T297] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 31.990076][ T297] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.990250][ T297] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 31.990420][ T297] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 31.990624][ T297] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 31.990795][ T297] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 31.990976][ T297] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 31.991144][ T297] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 31.991325][ T297] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 31.991548][ T297] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 31.991739][ T297] ___sys_sendmsg (net/socket.c:2653) [ 31.991908][ T297] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 31.992077][ T297] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.992249][ T297] ? __lock_release (kernel/locking/lockdep.c:5435) [ 31.992413][ T297] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 31.992636][ T297] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 31.992812][ T297] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 31.992991][ T297] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.993199][ T297] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 31.993373][ T297] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 31.993551][ T297] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 31.993714][ T297] ? __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) [ 31.993905][ T297] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 31.994076][ T297] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 31.994297][ T297] RIP: 0033:0x7fb6af1d17b7 [ 31.994473][ T297] 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) [ 31.995077][ T297] RSP: 002b:00007ffe655999f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 31.995337][ T297] RAX: ffffffffffffffda RBX: 00007ffe6559a120 RCX: 00007fb6af1d17b7 [ 31.995585][ T297] RDX: 0000000000000000 RSI: 00007ffe65599a60 RDI: 0000000000000005 [ 31.995837][ T297] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 31.996082][ T297] R10: 0000000023618910 R11: 0000000000000246 R12: 0000000000000004 [ 31.996328][ T297] R13: 0000000066bea1ee R14: 0000000000496600 R15: 0000000000000000 | [ 31.998697][ T297] 1 lock held by ip/297: | [ 31.998990][ T297] #0: ffffffffa59bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 31.999292][ T297] | [ 31.999292][ T297] stack backtrace: [ 31.999759][ T297] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 32.000130][ T297] Call Trace: [ 32.000267][ T297] [ 32.000360][ T297] dump_stack_lvl (lib/dump_stack.c:122) [ 32.000543][ T297] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 32.000711][ T297] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 32.000963][ T297] 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 [ 32.001210][ T297] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 32.001408][ T297] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 32.001617][ T297] br_add_if (net/bridge/br_if.c:692) bridge [ 32.001819][ T297] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 32.001991][ T297] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 32.002203][ T297] do_setlink (net/core/rtnetlink.c:2907) [ 32.002373][ T297] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 32.002561][ T297] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 32.002755][ T297] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 32.002919][ T297] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 32.003087][ T297] ? __kernel_text_address (kernel/extable.c:79) [ 32.003270][ T297] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 32.003440][ T297] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 32.003658][ T297] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 32.003835][ T297] ? stack_trace_save (kernel/stacktrace.c:123) [ 32.004012][ T297] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 32.004177][ T297] ? __pfx_validate_nla (lib/nlattr.c:396) [ 32.004346][ T297] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 32.004474][ T297] ? kasan_save_stack (mm/kasan/common.c:49) [ 32.004644][ T297] ? __nla_validate_parse (lib/nlattr.c:638) [ 32.004824][ T297] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 32.005001][ T297] ? 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) [ 32.005172][ T297] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 32.005343][ T297] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 32.005550][ T297] ? __create_object (mm/kmemleak.c:751) [ 32.005722][ T297] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 32.005900][ T297] rtnl_newlink (net/core/rtnetlink.c:3744) [ 32.006026][ T297] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 32.006203][ T297] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 32.006375][ T297] ? 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) [ 32.006543][ T297] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 32.006697][ T297] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 32.006869][ T297] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 32.007213][ T297] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 32.007393][ T297] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 32.007573][ T297] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 32.007743][ T297] ? 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) [ 32.007918][ T297] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 32.008091][ T297] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 32.008255][ T297] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 32.008425][ T297] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 32.008595][ T297] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 32.008862][ T297] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 32.009032][ T297] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 32.009222][ T297] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 32.009390][ T297] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 32.009650][ T297] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 32.009852][ T297] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 32.010028][ T297] ___sys_sendmsg (net/socket.c:2653) [ 32.010195][ T297] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 32.010363][ T297] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 32.010539][ T297] ? __lock_release (kernel/locking/lockdep.c:5435) [ 32.010830][ T297] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 32.011035][ T297] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 32.011312][ T297] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 32.011483][ T297] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 32.011694][ T297] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 32.011871][ T297] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 32.012133][ T297] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 32.012295][ T297] ? __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) [ 32.012484][ T297] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 32.012661][ T297] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 32.012984][ T297] RIP: 0033:0x7fb6af1d17b7 [ 32.013156][ T297] 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) [ 32.013733][ T297] RSP: 002b:00007ffe655999f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 32.013997][ T297] RAX: ffffffffffffffda RBX: 00007ffe6559a120 RCX: 00007fb6af1d17b7 [ 32.014242][ T297] RDX: 0000000000000000 RSI: 00007ffe65599a60 RDI: 0000000000000005 [ 32.014488][ T297] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 32.014760][ T297] R10: 0000000023618910 R11: 0000000000000246 R12: 0000000000000004 [ 32.015014][ T297] R13: 0000000066bea1ee R14: 0000000000496600 R15: 0000000000000000 | [ 32.017647][ T297] 1 lock held by ip/297: | [ 32.017769][ T297] #0: ffffffffa59bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 32.018191][ T297] | [ 32.018191][ T297] stack backtrace: [ 32.018673][ T297] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 32.019049][ T297] Call Trace: [ 32.019178][ T297] [ 32.019266][ T297] dump_stack_lvl (lib/dump_stack.c:122) [ 32.019441][ T297] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 32.019616][ T297] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 32.019877][ T297] 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 [ 32.020231][ T297] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 32.020432][ T297] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 32.020666][ T297] br_add_if (net/bridge/br_if.c:692) bridge [ 32.020868][ T297] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 32.021043][ T297] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 32.021260][ T297] do_setlink (net/core/rtnetlink.c:2907) [ 32.021625][ T297] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 32.021814][ T297] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 32.021980][ T297] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 32.022150][ T297] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 32.022321][ T297] ? __kernel_text_address (kernel/extable.c:79) [ 32.022603][ T297] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 32.022777][ T297] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 32.022987][ T297] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 32.023169][ T297] ? stack_trace_save (kernel/stacktrace.c:123) [ 32.023335][ T297] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 32.023602][ T297] ? __pfx_validate_nla (lib/nlattr.c:396) [ 32.023767][ T297] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 32.024015][ T297] ? kasan_save_stack (mm/kasan/common.c:49) [ 32.024186][ T297] ? __nla_validate_parse (lib/nlattr.c:638) [ 32.024360][ T297] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 32.024536][ T297] ? 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) [ 32.024706][ T297] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 32.024876][ T297] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 32.025098][ T297] ? __create_object (mm/kmemleak.c:751) [ 32.025281][ T297] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 32.025467][ T297] rtnl_newlink (net/core/rtnetlink.c:3744) [ 32.025604][ T297] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 32.025802][ T297] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 32.025972][ T297] ? 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) [ 32.026142][ T297] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 32.026272][ T297] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 32.026450][ T297] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 32.026760][ T297] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 32.026938][ T297] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 32.027123][ T297] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 32.027290][ T297] ? 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) [ 32.027594][ T297] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 32.027767][ T297] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 32.027943][ T297] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 32.028119][ T297] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 32.028289][ T297] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 32.028454][ T297] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 32.028729][ T297] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 32.028901][ T297] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 32.029074][ T297] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 32.029239][ T297] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 32.029446][ T297] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 32.029626][ T297] ___sys_sendmsg (net/socket.c:2653) [ 32.029814][ T297] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 32.030177][ T297] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 32.030345][ T297] ? __lock_release (kernel/locking/lockdep.c:5435) [ 32.030515][ T297] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 32.030740][ T297] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 32.031028][ T297] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 32.031201][ T297] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 32.031408][ T297] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 32.031581][ T297] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 32.031746][ T297] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 32.031906][ T297] ? __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) [ 32.032096][ T297] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 32.032270][ T297] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 32.032580][ T297] RIP: 0033:0x7fb6af1d17b7 [ 32.032751][ T297] 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) [ 32.033338][ T297] RSP: 002b:00007ffe655999f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 32.033703][ T297] RAX: ffffffffffffffda RBX: 00007ffe6559a120 RCX: 00007fb6af1d17b7 [ 32.033961][ T297] RDX: 0000000000000000 RSI: 00007ffe65599a60 RDI: 0000000000000005 [ 32.034216][ T297] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 32.034463][ T297] R10: 0000000023618910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink