====================================== | [ 128.437670][ T1196] 1 lock held by bridge/1196: | [ 128.437919][ T1196] #0: ffffffff8b1dcac8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 128.438394][ T1196] | [ 128.438394][ T1196] stack backtrace: [ 128.439271][ T1196] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 128.439770][ T1196] Call Trace: [ 128.439953][ T1196] [ 128.440074][ T1196] dump_stack_lvl (lib/dump_stack.c:122) [ 128.440333][ T1196] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 128.440586][ T1196] br_get_link_af_size_filtered (net/bridge/br_private.h:1605 net/bridge/br_private.h:1602 net/bridge/br_netlink.c:110) [ 128.440901][ T1196] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) [ 128.441140][ T1196] br_setlink (net/bridge/br_netlink.c:669 net/bridge/br_netlink.c:1136) [ 128.441287][ T1196] ? __pfx_br_setlink (net/bridge/br_netlink.c:1085) [ 128.441511][ T1196] ? lock_acquire.part.0 (kernel/locking/lockdep.c:466 kernel/locking/lockdep.c:5761) [ 128.441754][ T1196] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) [ 128.442004][ T1196] ? 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) [ 128.442260][ T1196] ? __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) [ 128.442516][ T1196] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:104) [ 128.442814][ T1196] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) [ 128.443053][ T1196] ? lock_acquire (kernel/locking/lockdep.c:5732) [ 128.443285][ T1196] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 52)) [ 128.443529][ T1196] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:618 kernel/locking/mutex.c:752) [ 128.443785][ T1196] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 128.444032][ T1196] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) [ 128.444273][ T1196] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 128.444518][ T1196] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 128.444740][ T1196] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5724) [ 128.444981][ T1196] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 128.445221][ T1196] rtnl_bridge_setlink (net/core/rtnetlink.c:5225) [ 128.445475][ T1196] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 128.445725][ T1196] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 128.445969][ T1196] ? 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) [ 128.446206][ T1196] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 128.446403][ T1196] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 128.446642][ T1196] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 128.446878][ T1196] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 128.447116][ T1196] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 128.447383][ T1196] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 128.447629][ T1196] ? 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) [ 128.447877][ T1196] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 128.448126][ T1196] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 128.448371][ T1196] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 128.448609][ T1196] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 128.448866][ T1196] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 128.449112][ T1196] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 128.449362][ T1196] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 128.449619][ T1196] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 128.449851][ T1196] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 128.450101][ T1196] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 128.450402][ T1196] ? 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) [ 128.450655][ T1196] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3758 kernel/locking/lockdep.c:3781 kernel/locking/lockdep.c:3836) [ 128.450901][ T1196] ___sys_sendmsg (net/socket.c:2653) [ 128.451134][ T1196] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 128.451373][ T1196] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 128.451624][ T1196] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 128.451885][ T1196] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 128.452131][ T1196] ? __lock_release (kernel/locking/lockdep.c:5435) [ 128.452385][ T1196] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 128.452614][ T1196] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 128.452873][ T1196] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 128.453106][ T1196] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 128.453388][ T1196] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 128.453626][ T1196] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 128.453939][ T1196] RIP: 0033:0x7f8f86e577b7 [ 128.454198][ T1196] 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) [ 128.455023][ T1196] RSP: 002b:00007fffb5aef538 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 128.455387][ T1196] RAX: ffffffffffffffda RBX: 000000000000ffff RCX: 00007f8f86e577b7 [ 128.455748][ T1196] RDX: 0000000000000000 RSI: 00007fffb5aef5a0 RDI: 0000000000000005 [ 128.456125][ T1196] RBP: 00007fffb5aef690 R08: 0000000000000034 R09: 0000000000000000 [ 128.456501][ T1196] R10: 00007f8f86d10708 R11: 0000000000000246 R12: 000000000000000a [ 128.456884][ T1196] R13: 0000000066beac57 R14: 0000000000423360 R15: 00007fffb5aefc50 | [ 134.079661][ T1250] 1 lock held by ip/1250: | [ 134.079779][ T1250] #0: ffffffff8b1dcac8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 134.080060][ T1250] | [ 134.080060][ T1250] stack backtrace: [ 134.080470][ T1250] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 134.080795][ T1250] Call Trace: [ 134.080910][ T1250] [ 134.080993][ T1250] dump_stack_lvl (lib/dump_stack.c:122) [ 134.081150][ T1250] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 134.081302][ T1250] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) [ 134.081458][ T1250] br_get_link_af_size_filtered (net/bridge/br_private.h:930 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) [ 134.081648][ T1250] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) [ 134.081801][ T1250] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 134.081991][ T1250] br_add_if (net/bridge/br_if.c:692) [ 134.082116][ T1250] do_setlink (net/core/rtnetlink.c:2907) [ 134.082272][ T1250] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 134.082424][ T1250] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 134.082575][ T1250] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 134.082724][ T1250] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 134.082875][ T1250] ? __kernel_text_address (kernel/extable.c:79) [ 134.083027][ T1250] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 134.083178][ T1250] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 134.083365][ T1250] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 134.083529][ T1250] ? stack_trace_save (kernel/stacktrace.c:123) [ 134.083694][ T1250] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 134.083845][ T1250] ? __pfx_validate_nla (lib/nlattr.c:396) [ 134.083997][ T1250] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 134.084115][ T1250] ? kasan_save_stack (mm/kasan/common.c:49) [ 134.084269][ T1250] ? __nla_validate_parse (lib/nlattr.c:638) [ 134.084428][ T1250] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 134.084588][ T1250] ? 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) [ 134.084744][ T1250] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 134.084898][ T1250] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 134.085087][ T1250] ? __create_object (mm/kmemleak.c:751) [ 134.085237][ T1250] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 134.085394][ T1250] rtnl_newlink (net/core/rtnetlink.c:3744) [ 134.085507][ T1250] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 134.085661][ T1250] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 134.085808][ T1250] ? 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) [ 134.085956][ T1250] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 134.086078][ T1250] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 134.086230][ T1250] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 134.086385][ T1250] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 134.086538][ T1250] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 134.086703][ T1250] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 134.086853][ T1250] ? 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) [ 134.087007][ T1250] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 134.087160][ T1250] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 134.087315][ T1250] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 134.087470][ T1250] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 134.087627][ T1250] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 134.087776][ T1250] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 134.087939][ T1250] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 134.088108][ T1250] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 134.088274][ T1250] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 134.088439][ T1250] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 134.088651][ T1250] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 134.088826][ T1250] ___sys_sendmsg (net/socket.c:2653) [ 134.088979][ T1250] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 134.089131][ T1250] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 134.089282][ T1250] ? __lock_release (kernel/locking/lockdep.c:5435) [ 134.089431][ T1250] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 134.089618][ T1250] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 134.089771][ T1250] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 134.089930][ T1250] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 134.090118][ T1250] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 134.090275][ T1250] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 134.090431][ T1250] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 134.090579][ T1250] ? __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) [ 134.090746][ T1250] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 134.090896][ T1250] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 134.091088][ T1250] RIP: 0033:0x7fdcded8f7b7 [ 134.091246][ T1250] 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) [ 134.091769][ T1250] RSP: 002b:00007fffe51d1188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 134.091995][ T1250] RAX: ffffffffffffffda RBX: 00007fffe51d18c0 RCX: 00007fdcded8f7b7 [ 134.092222][ T1250] RDX: 0000000000000000 RSI: 00007fffe51d11f0 RDI: 0000000000000005 [ 134.092446][ T1250] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 134.092668][ T1250] R10: 0000000012613910 R11: 0000000000000246 R12: 0000000000000004 [ 134.092893][ T1250] R13: 0000000066beac5c R14: 0000000000496600 R15: 0000000000000000 | [ 134.094690][ T1250] 1 lock held by ip/1250: | [ 134.094803][ T1250] #0: ffffffff8b1dcac8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 134.095073][ T1250] | [ 134.095073][ T1250] stack backtrace: [ 134.095479][ T1250] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 134.095810][ T1250] Call Trace: [ 134.095923][ T1250] [ 134.096001][ T1250] dump_stack_lvl (lib/dump_stack.c:122) [ 134.096157][ T1250] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 134.096307][ T1250] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) [ 134.096460][ T1250] br_get_link_af_size_filtered (net/bridge/br_private.h:453 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) [ 134.096649][ T1250] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) [ 134.096804][ T1250] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 134.096989][ T1250] br_add_if (net/bridge/br_if.c:692) [ 134.097114][ T1250] do_setlink (net/core/rtnetlink.c:2907) [ 134.097265][ T1250] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 134.097416][ T1250] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 134.097565][ T1250] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 134.097712][ T1250] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 134.097865][ T1250] ? __kernel_text_address (kernel/extable.c:79) [ 134.098202][ T1250] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 134.098354][ T1250] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 134.098541][ T1250] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 134.098701][ T1250] ? stack_trace_save (kernel/stacktrace.c:123) [ 134.098850][ T1250] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 134.099001][ T1250] ? __pfx_validate_nla (lib/nlattr.c:396) [ 134.099153][ T1250] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 134.099271][ T1250] ? kasan_save_stack (mm/kasan/common.c:49) [ 134.099426][ T1250] ? __nla_validate_parse (lib/nlattr.c:638) [ 134.099584][ T1250] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 134.099739][ T1250] ? 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) [ 134.099890][ T1250] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 134.100046][ T1250] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 134.100234][ T1250] ? __create_object (mm/kmemleak.c:751) [ 134.100385][ T1250] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 134.100542][ T1250] rtnl_newlink (net/core/rtnetlink.c:3744) [ 134.100657][ T1250] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 134.100814][ T1250] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 134.100963][ T1250] ? 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) [ 134.101113][ T1250] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 134.101231][ T1250] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 134.101382][ T1250] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 134.101533][ T1250] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 134.101682][ T1250] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 134.101845][ T1250] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 134.102001][ T1250] ? 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) [ 134.102153][ T1250] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 134.102431][ T1250] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 134.102580][ T1250] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 134.102735][ T1250] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 134.102889][ T1250] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 134.103129][ T1250] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 134.103279][ T1250] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 134.103439][ T1250] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 134.103593][ T1250] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 134.103833][ T1250] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 134.104018][ T1250] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 134.104180][ T1250] ___sys_sendmsg (net/socket.c:2653) [ 134.104335][ T1250] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 134.104572][ T1250] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 134.104727][ T1250] ? __lock_release (kernel/locking/lockdep.c:5435) [ 134.104877][ T1250] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 134.105061][ T1250] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 134.105297][ T1250] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 134.105452][ T1250] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 134.105636][ T1250] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 134.105791][ T1250] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 134.106025][ T1250] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 134.106175][ T1250] ? __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) [ 134.106348][ T1250] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 134.106499][ T1250] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 134.106768][ T1250] RIP: 0033:0x7fdcded8f7b7 [ 134.106923][ T1250] 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) [ 134.107535][ T1250] RSP: 002b:00007fffe51d1188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 134.107765][ T1250] RAX: ffffffffffffffda RBX: 00007fffe51d18c0 RCX: 00007fdcded8f7b7 [ 134.107985][ T1250] RDX: 0000000000000000 RSI: 00007fffe51d11f0 RDI: 0000000000000005 [ 134.108296][ T1250] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 134.108517][ T1250] R10: 0000000012613910 R11: 0000000000000246 R12: 0000000000000004 [ 134.108742][ T1250] R13: 0000000066beac5c R14: 0000000000496600 R15: 0000000000000000 | [ 134.110782][ T1250] 1 lock held by ip/1250: | [ 134.110896][ T1250] #0: ffffffff8b1dcac8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 134.111168][ T1250] | [ 134.111168][ T1250] stack backtrace: [ 134.111580][ T1250] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 134.111994][ T1250] Call Trace: [ 134.112108][ T1250] [ 134.112187][ T1250] dump_stack_lvl (lib/dump_stack.c:122) [ 134.112340][ T1250] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 134.112662][ T1250] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) [ 134.112819][ T1250] br_get_link_af_size_filtered (net/bridge/br_private.h:1611 net/bridge/br_private.h:1608 net/bridge/br_netlink.c:107) [ 134.113018][ T1250] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) [ 134.113168][ T1250] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 134.113444][ T1250] br_add_if (net/bridge/br_if.c:692) [ 134.113572][ T1250] do_setlink (net/core/rtnetlink.c:2907) [ 134.113728][ T1250] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 134.113879][ T1250] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 134.114114][ T1250] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 134.114264][ T1250] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 134.114416][ T1250] ? __kernel_text_address (kernel/extable.c:79) [ 134.114565][ T1250] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 134.114800][ T1250] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 134.114985][ T1250] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 134.115147][ T1250] ? stack_trace_save (kernel/stacktrace.c:123) [ 134.115296][ T1250] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 134.115535][ T1250] ? __pfx_validate_nla (lib/nlattr.c:396) [ 134.115685][ T1250] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 134.115801][ T1250] ? kasan_save_stack (mm/kasan/common.c:49) [ 134.115953][ T1250] ? __nla_validate_parse (lib/nlattr.c:638) [ 134.116108][ T1250] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 134.116352][ T1250] ? 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) [ 134.116501][ T1250] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 134.116655][ T1250] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 134.116846][ T1250] ? __create_object (mm/kmemleak.c:751) [ 134.117080][ T1250] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 134.117234][ T1250] rtnl_newlink (net/core/rtnetlink.c:3744) [ 134.117348][ T1250] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 134.117498][ T1250] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 134.117734][ T1250] ? 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) [ 134.117881][ T1250] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 134.117998][ T1250] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 134.118149][ T1250] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 134.118303][ T1250] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 134.118544][ T1250] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 134.118706][ T1250] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 134.118857][ T1250] ? 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) [ 134.119023][ T1250] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 134.119189][ T1250] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 134.119353][ T1250] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 134.119519][ T1250] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 134.119691][ T1250] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 134.119937][ T1250] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 134.120101][ T1250] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 134.120270][ T1250] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 134.120434][ T1250] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 134.120682][ T1250] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 134.120886][ T1250] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 134.121060][ T1250] ___sys_sendmsg (net/socket.c:2653) [ 134.121220][ T1250] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 134.121455][ T1250] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 134.121607][ T1250] ? __lock_release (kernel/locking/lockdep.c:5435) [ 134.121758][ T1250] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 134.121943][ T1250] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 134.122180][ T1250] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 134.122335][ T1250] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 134.122520][ T1250] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 134.122679][ T1250] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 134.122918][ T1250] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 134.123068][ T1250] ? __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) [ 134.123236][ T1250] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 134.123385][ T1250] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 134.123657][ T1250] RIP: 0033:0x7fdcded8f7b7 [ 134.123830][ T1250] 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) [ 134.124462][ T1250] RSP: 002b:00007fffe51d1188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 134.124687][ T1250] RAX: ffffffffffffffda RBX: 00007fffe51d18c0 RCX: 00007fdcded8f7b7 [ 134.124915][ T1250] RDX: 0000000000000000 RSI: 00007fffe51d11f0 RDI: 0000000000000005 [ 134.125149][ T1250] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 134.125378][ T1250] R10: 0000000012613910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_setlink:rtnl_bridge_setlink