====================================== | [ 35.462630][ T324] 1 lock held by ip/324: | [ 35.462780][ T324] #0: ffffffff959bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 35.463173][ T324] | [ 35.463173][ T324] stack backtrace: [ 35.463670][ T324] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 35.464061][ T324] Call Trace: [ 35.464197][ T324] [ 35.464288][ T324] dump_stack_lvl (lib/dump_stack.c:122) [ 35.464469][ T324] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 35.464643][ T324] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 35.464928][ T324] 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 [ 35.465173][ T324] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 35.465381][ T324] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.465601][ T324] br_add_if (net/bridge/br_if.c:692) bridge [ 35.465803][ T324] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 35.465974][ T324] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 35.466192][ T324] do_setlink (net/core/rtnetlink.c:2907) [ 35.466364][ T324] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 35.466540][ T324] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 35.466712][ T324] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 35.466883][ T324] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 35.467056][ T324] ? __kernel_text_address (kernel/extable.c:79) [ 35.467225][ T324] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 35.467394][ T324] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 35.467613][ T324] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 35.467817][ T324] ? stack_trace_save (kernel/stacktrace.c:123) [ 35.467987][ T324] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 35.468156][ T324] ? __pfx_validate_nla (lib/nlattr.c:396) [ 35.468363][ T324] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.468497][ T324] ? kasan_save_stack (mm/kasan/common.c:49) [ 35.468674][ T324] ? __nla_validate_parse (lib/nlattr.c:638) [ 35.468855][ T324] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 35.469038][ T324] ? 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) [ 35.469216][ T324] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 35.469398][ T324] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.469611][ T324] ? __create_object (mm/kmemleak.c:751) [ 35.469787][ T324] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 35.469972][ T324] rtnl_newlink (net/core/rtnetlink.c:3744) [ 35.470104][ T324] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 35.470278][ T324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.470450][ T324] ? 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) [ 35.470622][ T324] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.470757][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 35.470929][ T324] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 35.471109][ T324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.471287][ T324] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 35.471476][ T324] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 35.471646][ T324] ? 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) [ 35.471821][ T324] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 35.471994][ T324] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 35.472170][ T324] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.472351][ T324] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 35.472526][ T324] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 35.472693][ T324] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 35.472874][ T324] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 35.473051][ T324] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 35.473224][ T324] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 35.473407][ T324] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 35.473621][ T324] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 35.473802][ T324] ___sys_sendmsg (net/socket.c:2653) [ 35.473973][ T324] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 35.474144][ T324] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.474318][ T324] ? __lock_release (kernel/locking/lockdep.c:5435) [ 35.474494][ T324] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 35.474705][ T324] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 35.474883][ T324] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 35.475062][ T324] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.475279][ T324] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 35.475458][ T324] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 35.475636][ T324] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 35.475806][ T324] ? __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) [ 35.475994][ T324] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 35.476172][ T324] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 35.476382][ T324] RIP: 0033:0x7fa2157b57b7 [ 35.476573][ T324] 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) [ 35.477159][ T324] RSP: 002b:00007ffe04c79048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.477421][ T324] RAX: ffffffffffffffda RBX: 00007ffe04c79770 RCX: 00007fa2157b57b7 [ 35.477684][ T324] RDX: 0000000000000000 RSI: 00007ffe04c790b0 RDI: 0000000000000005 [ 35.477965][ T324] RBP: 0000000000000005 R08: 0000000000000003 R09: 0000000000000000 [ 35.478217][ T324] R10: 00000000280cc910 R11: 0000000000000246 R12: 0000000000000005 [ 35.478466][ T324] R13: 0000000066bea40d R14: 0000000000496600 R15: 0000000000000000 | [ 35.480621][ T324] 1 lock held by ip/324: | [ 35.480753][ T324] #0: ffffffff959bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 35.481076][ T324] | [ 35.481076][ T324] stack backtrace: [ 35.481561][ T324] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 35.481943][ T324] Call Trace: [ 35.482081][ T324] [ 35.482172][ T324] dump_stack_lvl (lib/dump_stack.c:122) [ 35.482351][ T324] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 35.482526][ T324] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 35.482778][ T324] 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 [ 35.483033][ T324] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 35.483234][ T324] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.483453][ T324] br_add_if (net/bridge/br_if.c:692) bridge [ 35.483657][ T324] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 35.483833][ T324] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 35.484052][ T324] do_setlink (net/core/rtnetlink.c:2907) [ 35.484229][ T324] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 35.484406][ T324] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 35.484575][ T324] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 35.484743][ T324] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 35.484917][ T324] ? __kernel_text_address (kernel/extable.c:79) [ 35.485084][ T324] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 35.485256][ T324] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 35.485464][ T324] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 35.485650][ T324] ? stack_trace_save (kernel/stacktrace.c:123) [ 35.485830][ T324] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 35.485999][ T324] ? __pfx_validate_nla (lib/nlattr.c:396) [ 35.486173][ T324] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.486314][ T324] ? kasan_save_stack (mm/kasan/common.c:49) [ 35.486488][ T324] ? __nla_validate_parse (lib/nlattr.c:638) [ 35.486664][ T324] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 35.486841][ T324] ? 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) [ 35.487013][ T324] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 35.487195][ T324] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.487405][ T324] ? __create_object (mm/kmemleak.c:751) [ 35.487583][ T324] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 35.487770][ T324] rtnl_newlink (net/core/rtnetlink.c:3744) [ 35.487909][ T324] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 35.488080][ T324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.488249][ T324] ? 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) [ 35.488416][ T324] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.488551][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 35.488729][ T324] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 35.488900][ T324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.489070][ T324] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 35.489254][ T324] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 35.489426][ T324] ? 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) [ 35.489596][ T324] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 35.489775][ T324] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 35.489957][ T324] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.490133][ T324] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 35.490306][ T324] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 35.490473][ T324] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 35.490649][ T324] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 35.490826][ T324] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 35.491002][ T324] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 35.491170][ T324] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 35.491377][ T324] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 35.491568][ T324] ___sys_sendmsg (net/socket.c:2653) [ 35.491739][ T324] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 35.491914][ T324] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.492089][ T324] ? __lock_release (kernel/locking/lockdep.c:5435) [ 35.492256][ T324] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 35.492652][ T324] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 35.492824][ T324] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 35.493006][ T324] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.493215][ T324] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 35.493396][ T324] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 35.493563][ T324] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 35.493731][ T324] ? __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) [ 35.493927][ T324] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 35.494197][ T324] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 35.494409][ T324] RIP: 0033:0x7fa2157b57b7 [ 35.494897][ T324] 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) [ 35.495591][ T324] RSP: 002b:00007ffe04c79048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.495852][ T324] RAX: ffffffffffffffda RBX: 00007ffe04c79770 RCX: 00007fa2157b57b7 [ 35.496208][ T324] RDX: 0000000000000000 RSI: 00007ffe04c790b0 RDI: 0000000000000005 [ 35.496469][ T324] RBP: 0000000000000005 R08: 0000000000000003 R09: 0000000000000000 [ 35.496719][ T324] R10: 00000000280cc910 R11: 0000000000000246 R12: 0000000000000005 [ 35.497067][ T324] R13: 0000000066bea40d R14: 0000000000496600 R15: 0000000000000000 | [ 35.499579][ T324] 1 lock held by ip/324: | [ 35.499730][ T324] #0: ffffffff959bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 35.500196][ T324] | [ 35.500196][ T324] stack backtrace: [ 35.500687][ T324] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 35.501177][ T324] Call Trace: [ 35.501313][ T324] [ 35.501408][ T324] dump_stack_lvl (lib/dump_stack.c:122) [ 35.501588][ T324] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 35.501761][ T324] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 35.502109][ T324] 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 [ 35.502364][ T324] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 35.502568][ T324] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.502880][ T324] br_add_if (net/bridge/br_if.c:692) bridge [ 35.503084][ T324] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 35.503253][ T324] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 35.503469][ T324] do_setlink (net/core/rtnetlink.c:2907) [ 35.503746][ T324] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 35.503925][ T324] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 35.504094][ T324] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 35.504267][ T324] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 35.504535][ T324] ? __kernel_text_address (kernel/extable.c:79) [ 35.504704][ T324] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 35.504872][ T324] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 35.505088][ T324] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 35.505369][ T324] ? stack_trace_save (kernel/stacktrace.c:123) [ 35.505538][ T324] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 35.505710][ T324] ? __pfx_validate_nla (lib/nlattr.c:396) [ 35.505880][ T324] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.506011][ T324] ? kasan_save_stack (mm/kasan/common.c:49) [ 35.506191][ T324] ? __nla_validate_parse (lib/nlattr.c:638) [ 35.506366][ T324] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 35.506543][ T324] ? 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) [ 35.506714][ T324] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 35.506990][ T324] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.507209][ T324] ? __create_object (mm/kmemleak.c:751) [ 35.507385][ T324] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 35.507566][ T324] rtnl_newlink (net/core/rtnetlink.c:3744) [ 35.507809][ T324] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 35.507982][ T324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.508153][ T324] ? 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) [ 35.508322][ T324] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.508456][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 35.508728][ T324] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 35.508907][ T324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.509079][ T324] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 35.509263][ T324] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 35.509530][ T324] ? 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) [ 35.509702][ T324] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 35.509929][ T324] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 35.510187][ T324] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.510623][ T324] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 35.510912][ T324] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 35.511133][ T324] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 35.511409][ T324] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 35.511696][ T324] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 35.511964][ T324] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 35.512233][ T324] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 35.512560][ T324] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 35.512847][ T324] ___sys_sendmsg (net/socket.c:2653) [ 35.513288][ T324] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 35.513569][ T324] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.513854][ T324] ? __lock_release (kernel/locking/lockdep.c:5435) [ 35.514139][ T324] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 35.514669][ T324] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 35.514952][ T324] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 35.515243][ T324] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.515596][ T324] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 35.515909][ T324] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 35.516179][ T324] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 35.516439][ T324] ? __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) [ 35.516746][ T324] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 35.517189][ T324] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 35.517509][ T324] RIP: 0033:0x7fa2157b57b7 [ 35.517798][ T324] 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) [ 35.518903][ T324] RSP: 002b:00007ffe04c79048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.519304][ T324] RAX: ffffffffffffffda RBX: 00007ffe04c79770 RCX: 00007fa2157b57b7 [ 35.519763][ T324] RDX: 0000000000000000 RSI: 00007ffe04c790b0 RDI: 0000000000000005 [ 35.520178][ T324] RBP: 0000000000000005 R08: 0000000000000003 R09: 0000000000000000 [ 35.520581][ T324] R10: 00000000280cc910 R11: 0000000000000246 R12: 0000000000000005 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink