====================================== | [ 38.653273][ T363] 1 lock held by ip/363: | [ 38.653412][ T363] #0: ffffffff957bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 38.653746][ T363] | [ 38.653746][ T363] stack backtrace: [ 38.654240][ T363] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 38.654652][ T363] Call Trace: [ 38.654790][ T363] [ 38.654889][ T363] dump_stack_lvl (lib/dump_stack.c:122) [ 38.655074][ T363] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 38.655258][ T363] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 38.655565][ T363] 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 [ 38.655814][ T363] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 38.656023][ T363] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 38.656234][ T363] br_add_if (net/bridge/br_if.c:692) bridge [ 38.656443][ T363] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 38.656622][ T363] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 38.656855][ T363] do_setlink (net/core/rtnetlink.c:2907) [ 38.657044][ T363] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 38.657231][ T363] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 38.657410][ T363] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 38.657582][ T363] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 38.657761][ T363] ? __kernel_text_address (kernel/extable.c:79) [ 38.657944][ T363] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 38.658127][ T363] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 38.658355][ T363] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 38.658571][ T363] ? stack_trace_save (kernel/stacktrace.c:123) [ 38.658756][ T363] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 38.658936][ T363] ? __pfx_validate_nla (lib/nlattr.c:396) [ 38.659122][ T363] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 38.659266][ T363] ? kasan_save_stack (mm/kasan/common.c:49) [ 38.659455][ T363] ? __nla_validate_parse (lib/nlattr.c:638) [ 38.659645][ T363] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 38.659837][ T363] ? 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) [ 38.660025][ T363] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 38.660218][ T363] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 38.660447][ T363] ? __create_object (mm/kmemleak.c:751) [ 38.660632][ T363] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 38.660821][ T363] rtnl_newlink (net/core/rtnetlink.c:3744) [ 38.660962][ T363] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 38.661146][ T363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 38.661327][ T363] ? 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) [ 38.661508][ T363] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 38.661652][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 38.661841][ T363] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 38.662022][ T363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 38.662206][ T363] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 38.662404][ T363] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 38.662609][ T363] ? 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) [ 38.662795][ T363] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 38.662980][ T363] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 38.663163][ T363] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 38.663354][ T363] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 38.663542][ T363] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 38.663722][ T363] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 38.663909][ T363] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 38.664101][ T363] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 38.664285][ T363] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 38.664465][ T363] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 38.664686][ T363] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 38.664893][ T363] ___sys_sendmsg (net/socket.c:2653) [ 38.665072][ T363] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 38.665252][ T363] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 38.665439][ T363] ? __lock_release (kernel/locking/lockdep.c:5435) [ 38.665618][ T363] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 38.665826][ T363] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 38.666005][ T363] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 38.666187][ T363] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 38.666410][ T363] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 38.666623][ T363] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 38.666806][ T363] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 38.666984][ T363] ? __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) [ 38.667178][ T363] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 38.667359][ T363] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 38.667582][ T363] RIP: 0033:0x7f600d3057b7 [ 38.667772][ T363] 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) [ 38.668405][ T363] RSP: 002b:00007ffdde02df98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 38.668679][ T363] RAX: ffffffffffffffda RBX: 00007ffdde02e6c0 RCX: 00007f600d3057b7 [ 38.668952][ T363] RDX: 0000000000000000 RSI: 00007ffdde02e000 RDI: 0000000000000005 [ 38.669225][ T363] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 38.669495][ T363] R10: 0000000020dc7910 R11: 0000000000000246 R12: 0000000000000004 [ 38.669766][ T363] R13: 0000000066bea59a R14: 0000000000496600 R15: 0000000000000000 | [ 38.671948][ T363] 1 lock held by ip/363: | [ 38.672087][ T363] #0: ffffffff957bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 38.672432][ T363] | [ 38.672432][ T363] stack backtrace: [ 38.672928][ T363] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 38.673327][ T363] Call Trace: [ 38.673467][ T363] [ 38.673564][ T363] dump_stack_lvl (lib/dump_stack.c:122) [ 38.673748][ T363] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 38.673930][ T363] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 38.674195][ T363] 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 [ 38.674458][ T363] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 38.674694][ T363] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 38.674924][ T363] br_add_if (net/bridge/br_if.c:692) bridge [ 38.675140][ T363] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 38.675320][ T363] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 38.675551][ T363] do_setlink (net/core/rtnetlink.c:2907) [ 38.675734][ T363] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 38.675920][ T363] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 38.676113][ T363] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 38.676290][ T363] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 38.676479][ T363] ? __kernel_text_address (kernel/extable.c:79) [ 38.676660][ T363] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 38.676843][ T363] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 38.677066][ T363] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 38.677247][ T363] ? stack_trace_save (kernel/stacktrace.c:123) [ 38.677422][ T363] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 38.677619][ T363] ? __pfx_validate_nla (lib/nlattr.c:396) [ 38.677804][ T363] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 38.677945][ T363] ? kasan_save_stack (mm/kasan/common.c:49) [ 38.678137][ T363] ? __nla_validate_parse (lib/nlattr.c:638) [ 38.678327][ T363] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 38.678542][ T363] ? 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) [ 38.678731][ T363] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 38.678918][ T363] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 38.679149][ T363] ? __create_object (mm/kmemleak.c:751) [ 38.679324][ T363] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 38.679502][ T363] rtnl_newlink (net/core/rtnetlink.c:3744) [ 38.679639][ T363] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 38.679824][ T363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 38.680008][ T363] ? 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) [ 38.680187][ T363] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 38.680329][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 38.680513][ T363] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 38.680699][ T363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 38.680884][ T363] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 38.681081][ T363] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 38.681264][ T363] ? 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) [ 38.681451][ T363] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 38.681636][ T363] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 38.681818][ T363] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 38.682004][ T363] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 38.682191][ T363] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 38.682376][ T363] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 38.682579][ T363] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 38.682769][ T363] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 38.682955][ T363] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 38.683137][ T363] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 38.683360][ T363] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 38.683552][ T363] ___sys_sendmsg (net/socket.c:2653) [ 38.683737][ T363] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 38.684077][ T363] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 38.684261][ T363] ? __lock_release (kernel/locking/lockdep.c:5435) [ 38.684441][ T363] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 38.684667][ T363] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 38.684949][ T363] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 38.685137][ T363] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 38.685360][ T363] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 38.685549][ T363] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 38.685833][ T363] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 38.686022][ T363] ? __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) [ 38.686226][ T363] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 38.686410][ T363] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 38.686849][ T363] RIP: 0033:0x7f600d3057b7 [ 38.687040][ T363] 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) [ 38.687771][ T363] RSP: 002b:00007ffdde02df98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 38.688046][ T363] RAX: ffffffffffffffda RBX: 00007ffdde02e6c0 RCX: 00007f600d3057b7 [ 38.688320][ T363] RDX: 0000000000000000 RSI: 00007ffdde02e000 RDI: 0000000000000005 [ 38.688684][ T363] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 38.688954][ T363] R10: 0000000020dc7910 R11: 0000000000000246 R12: 0000000000000004 [ 38.689222][ T363] R13: 0000000066bea59a R14: 0000000000496600 R15: 0000000000000000 | [ 38.691516][ T363] 1 lock held by ip/363: | [ 38.691654][ T363] #0: ffffffff957bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 38.691986][ T363] | [ 38.691986][ T363] stack backtrace: [ 38.692482][ T363] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 38.692971][ T363] Call Trace: [ 38.693109][ T363] [ 38.693203][ T363] dump_stack_lvl (lib/dump_stack.c:122) [ 38.693391][ T363] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 38.693668][ T363] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 38.693930][ T363] 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 [ 38.694189][ T363] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 38.694506][ T363] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 38.694744][ T363] br_add_if (net/bridge/br_if.c:692) bridge [ 38.694963][ T363] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 38.695146][ T363] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 38.695473][ T363] do_setlink (net/core/rtnetlink.c:2907) [ 38.695654][ T363] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 38.695836][ T363] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 38.696027][ T363] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 38.696338][ T363] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 38.696507][ T363] ? __kernel_text_address (kernel/extable.c:79) [ 38.696672][ T363] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 38.696840][ T363] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 38.697051][ T363] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 38.697261][ T363] ? stack_trace_save (kernel/stacktrace.c:123) [ 38.697443][ T363] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 38.697622][ T363] ? __pfx_validate_nla (lib/nlattr.c:396) [ 38.697804][ T363] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 38.697944][ T363] ? kasan_save_stack (mm/kasan/common.c:49) [ 38.698128][ T363] ? __nla_validate_parse (lib/nlattr.c:638) [ 38.698318][ T363] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 38.698523][ T363] ? 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) [ 38.698814][ T363] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 38.699000][ T363] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 38.699228][ T363] ? __create_object (mm/kmemleak.c:751) [ 38.699409][ T363] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 38.699692][ T363] rtnl_newlink (net/core/rtnetlink.c:3744) [ 38.699830][ T363] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 38.700017][ T363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 38.700195][ T363] ? 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) [ 38.700375][ T363] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 38.700714][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 38.700891][ T363] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 38.701057][ T363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 38.701225][ T363] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 38.701512][ T363] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 38.701697][ T363] ? 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) [ 38.701880][ T363] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 38.702062][ T363] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 38.702331][ T363] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 38.702662][ T363] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 38.702849][ T363] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 38.703031][ T363] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 38.703216][ T363] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 38.703402][ T363] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 38.703591][ T363] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 38.703770][ T363] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 38.703995][ T363] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 38.704190][ T363] ___sys_sendmsg (net/socket.c:2653) [ 38.704373][ T363] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 38.704561][ T363] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 38.704746][ T363] ? __lock_release (kernel/locking/lockdep.c:5435) [ 38.704925][ T363] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 38.705155][ T363] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 38.705341][ T363] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 38.705526][ T363] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 38.705752][ T363] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 38.705940][ T363] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 38.706140][ T363] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 38.706318][ T363] ? __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) [ 38.706547][ T363] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 38.706730][ T363] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 38.706952][ T363] RIP: 0033:0x7f600d3057b7 [ 38.707140][ T363] 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) [ 38.707764][ T363] RSP: 002b:00007ffdde02df98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 38.708038][ T363] RAX: ffffffffffffffda RBX: 00007ffdde02e6c0 RCX: 00007f600d3057b7 [ 38.708305][ T363] RDX: 0000000000000000 RSI: 00007ffdde02e000 RDI: 0000000000000005 [ 38.708570][ T363] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 38.708838][ T363] R10: 0000000020dc7910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink