====================================== | [ 36.302674][ T337] #0: ffffffff937bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 36.303012][ T337] #1: ffff8880066a2c58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 36.303417][ T337] | [ 36.303417][ T337] stack backtrace: [ 36.303939][ T337] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.304351][ T337] Call Trace: [ 36.304498][ T337] [ 36.304596][ T337] dump_stack_lvl (lib/dump_stack.c:122) [ 36.304789][ T337] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 36.304977][ T337] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 36.305240][ T337] 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 [ 36.305498][ T337] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 36.305683][ T337] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 36.305874][ T337] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 36.306086][ T337] ? mn_hlist_invalidate_range_start (mm/mmu_notifier.c:485 (discriminator 4)) [ 36.306358][ T337] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 36.306580][ T337] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 36.306845][ T337] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 36.307057][ T337] br_add_if (net/bridge/br_if.c:687) bridge [ 36.307319][ T337] do_setlink (net/core/rtnetlink.c:2907) [ 36.307617][ T337] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 36.307917][ T337] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 36.308218][ T337] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 36.308529][ T337] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.308833][ T337] ? __kernel_text_address (kernel/extable.c:79) [ 36.309120][ T337] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 36.309433][ T337] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 36.309807][ T337] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 36.310146][ T337] ? stack_trace_save (kernel/stacktrace.c:123) [ 36.310455][ T337] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 36.310769][ T337] ? __pfx_validate_nla (lib/nlattr.c:396) [ 36.311082][ T337] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.311341][ T337] ? kasan_save_stack (mm/kasan/common.c:49) [ 36.312137][ T337] ? __nla_validate_parse (lib/nlattr.c:638) [ 36.312485][ T337] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 36.312800][ T337] ? 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) [ 36.313131][ T337] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 36.313446][ T337] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.313834][ T337] ? __create_object (mm/kmemleak.c:751) [ 36.314141][ T337] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 36.314472][ T337] rtnl_newlink (net/core/rtnetlink.c:3744) [ 36.314703][ T337] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 36.315007][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.315316][ T337] ? 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) [ 36.315628][ T337] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.315878][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 36.316191][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 36.316487][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.316801][ T337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 36.317148][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 36.317468][ T337] ? 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) [ 36.317778][ T337] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 36.318096][ T337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 36.318394][ T337] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.318712][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 36.319030][ T337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 36.319346][ T337] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 36.319674][ T337] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 36.320000][ T337] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 36.320305][ T337] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 36.320602][ T337] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 36.320982][ T337] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 36.321321][ T337] ___sys_sendmsg (net/socket.c:2653) [ 36.321626][ T337] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 36.321937][ T337] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.322250][ T337] ? __lock_release (kernel/locking/lockdep.c:5435) [ 36.322562][ T337] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 36.322928][ T337] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 36.323267][ T337] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 36.323594][ T337] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.323973][ T337] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 36.324279][ T337] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 36.324592][ T337] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 36.324892][ T337] ? __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) [ 36.325242][ T337] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 36.325550][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.325920][ T337] RIP: 0033:0x7fc2409d47b7 [ 36.326207][ T337] 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) [ 36.327178][ T337] RSP: 002b:00007ffc1a906a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.327604][ T337] RAX: ffffffffffffffda RBX: 00007ffc1a907190 RCX: 00007fc2409d47b7 [ 36.328023][ T337] RDX: 0000000000000000 RSI: 00007ffc1a906ad0 RDI: 0000000000000005 [ 36.328449][ T337] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 36.328872][ T337] R10: 000000000676c910 R11: 0000000000000246 R12: 0000000000000004 [ 36.329293][ T337] R13: 0000000066bea6d0 R14: 0000000000496600 R15: 0000000000000000 | [ 36.333086][ T337] #0: ffffffff937bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 36.333663][ T337] #1: ffff8880066a2c58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 36.334264][ T337] | [ 36.334264][ T337] stack backtrace: [ 36.335116][ T337] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.335800][ T337] Call Trace: [ 36.336035][ T337] [ 36.336196][ T337] dump_stack_lvl (lib/dump_stack.c:122) [ 36.336501][ T337] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 36.336815][ T337] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 36.337252][ T337] 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 [ 36.337687][ T337] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 36.337981][ T337] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 36.338305][ T337] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 36.338678][ T337] ? mn_hlist_invalidate_range_start (mm/mmu_notifier.c:485 (discriminator 4)) [ 36.339078][ T337] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 36.339459][ T337] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 36.339888][ T337] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 36.340238][ T337] br_add_if (net/bridge/br_if.c:687) bridge [ 36.340609][ T337] do_setlink (net/core/rtnetlink.c:2907) [ 36.340926][ T337] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 36.341250][ T337] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 36.341563][ T337] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 36.341859][ T337] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.342168][ T337] ? __kernel_text_address (kernel/extable.c:79) [ 36.342478][ T337] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 36.342789][ T337] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 36.343165][ T337] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 36.343490][ T337] ? stack_trace_save (kernel/stacktrace.c:123) [ 36.343810][ T337] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 36.344109][ T337] ? __pfx_validate_nla (lib/nlattr.c:396) [ 36.344421][ T337] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.344667][ T337] ? kasan_save_stack (mm/kasan/common.c:49) [ 36.344986][ T337] ? __nla_validate_parse (lib/nlattr.c:638) [ 36.345304][ T337] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 36.345635][ T337] ? 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) [ 36.345949][ T337] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 36.346272][ T337] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.346657][ T337] ? __create_object (mm/kmemleak.c:751) [ 36.346978][ T337] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 36.347303][ T337] rtnl_newlink (net/core/rtnetlink.c:3744) [ 36.347534][ T337] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 36.348129][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.348435][ T337] ? 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) [ 36.348739][ T337] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.348976][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 36.349300][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 36.349853][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.350148][ T337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 36.350484][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 36.350792][ T337] ? 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) [ 36.351104][ T337] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 36.351420][ T337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 36.351729][ T337] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.352037][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 36.352364][ T337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 36.352672][ T337] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 36.352966][ T337] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 36.353294][ T337] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 36.353792][ T337] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 36.354043][ T337] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 36.354404][ T337] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 36.354758][ T337] ___sys_sendmsg (net/socket.c:2653) [ 36.355276][ T337] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 36.355588][ T337] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.355862][ T337] ? __lock_release (kernel/locking/lockdep.c:5435) [ 36.356111][ T337] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 36.356660][ T337] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 36.356947][ T337] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 36.357257][ T337] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.357623][ T337] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 36.357920][ T337] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 36.358214][ T337] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 36.358502][ T337] ? __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) [ 36.358825][ T337] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 36.359112][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.359465][ T337] RIP: 0033:0x7fc2409d47b7 [ 36.359769][ T337] 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) [ 36.360935][ T337] RSP: 002b:00007ffc1a906a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.361361][ T337] RAX: ffffffffffffffda RBX: 00007ffc1a907190 RCX: 00007fc2409d47b7 [ 36.361784][ T337] RDX: 0000000000000000 RSI: 00007ffc1a906ad0 RDI: 0000000000000005 [ 36.362210][ T337] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 36.362677][ T337] R10: 000000000676c910 R11: 0000000000000246 R12: 0000000000000004 [ 36.363348][ T337] R13: 0000000066bea6d0 R14: 0000000000496600 R15: 0000000000000000 | [ 36.367658][ T337] #0: ffffffff937bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 36.368210][ T337] #1: ffff8880066a2c58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 36.368797][ T337] | [ 36.368797][ T337] stack backtrace: [ 36.369606][ T337] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.370243][ T337] Call Trace: [ 36.370488][ T337] [ 36.370658][ T337] dump_stack_lvl (lib/dump_stack.c:122) [ 36.370979][ T337] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 36.371294][ T337] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 36.371948][ T337] 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 [ 36.372361][ T337] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 36.372656][ T337] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 36.372915][ T337] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 36.373465][ T337] ? mn_hlist_invalidate_range_start (mm/mmu_notifier.c:485 (discriminator 4)) [ 36.373860][ T337] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 36.374226][ T337] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 36.374668][ T337] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 36.375230][ T337] br_add_if (net/bridge/br_if.c:687) bridge [ 36.375605][ T337] do_setlink (net/core/rtnetlink.c:2907) [ 36.375920][ T337] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 36.376244][ T337] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 36.376562][ T337] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 36.376868][ T337] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.377185][ T337] ? __kernel_text_address (kernel/extable.c:79) [ 36.377478][ T337] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 36.377803][ T337] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 36.378146][ T337] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 36.378481][ T337] ? stack_trace_save (kernel/stacktrace.c:123) [ 36.378762][ T337] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 36.379247][ T337] ? __pfx_validate_nla (lib/nlattr.c:396) [ 36.379560][ T337] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.379796][ T337] ? kasan_save_stack (mm/kasan/common.c:49) [ 36.380094][ T337] ? __nla_validate_parse (lib/nlattr.c:638) [ 36.380424][ T337] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 36.380934][ T337] ? 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) [ 36.381213][ T337] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 36.381530][ T337] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.381916][ T337] ? __create_object (mm/kmemleak.c:751) [ 36.382420][ T337] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 36.382738][ T337] rtnl_newlink (net/core/rtnetlink.c:3744) [ 36.382984][ T337] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 36.383291][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.383784][ T337] ? 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) [ 36.384078][ T337] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.384321][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 36.384634][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 36.384944][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.385458][ T337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 36.385785][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 36.386081][ T337] ? 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) [ 36.386407][ T337] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 36.387149][ T337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 36.387463][ T337] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.387780][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 36.388088][ T337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 36.388547][ T337] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 36.388830][ T337] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 36.389108][ T337] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 36.389421][ T337] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 36.389716][ T337] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 36.390081][ T337] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 36.390415][ T337] ___sys_sendmsg (net/socket.c:2653) [ 36.390731][ T337] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 36.391038][ T337] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.391346][ T337] ? __lock_release (kernel/locking/lockdep.c:5435) [ 36.391639][ T337] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 36.392038][ T337] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 36.392358][ T337] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 36.392864][ T337] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.393231][ T337] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 36.393544][ T337] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 36.393850][ T337] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 36.394148][ T337] ? __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) [ 36.394499][ T337] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 36.394813][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.395194][ T337] RIP: 0033:0x7fc2409d47b7 [ 36.395498][ T337] 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) [ 36.396628][ T337] RSP: 002b:00007ffc1a906a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.397070][ T337] RAX: ffffffffffffffda RBX: 00007ffc1a907190 RCX: 00007fc2409d47b7 [ 36.397422][ T337] RDX: 0000000000000000 RSI: 00007ffc1a906ad0 RDI: 0000000000000005 [ 36.397694][ T337] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 36.397977][ T337] R10: 000000000676c910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_make_forwarding:br_port_state_selection