====================================== | [ 36.825999][ T341] #0: ffffffff969bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 36.826348][ T341] #1: ffff8880077b2c58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 36.826769][ T341] | [ 36.826769][ T341] stack backtrace: [ 36.827285][ T341] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.827695][ T341] Call Trace: [ 36.827848][ T341] [ 36.827947][ T341] dump_stack_lvl (lib/dump_stack.c:122) [ 36.828146][ T341] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 36.828333][ T341] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 36.828598][ T341] 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 [ 36.828865][ T341] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 36.829050][ T341] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 36.829242][ T341] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 36.829462][ T341] ? mn_hlist_invalidate_range_start (mm/mmu_notifier.c:485 (discriminator 4)) [ 36.829700][ T341] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 36.829919][ T341] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 36.830187][ T341] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 36.830405][ T341] br_add_if (net/bridge/br_if.c:687) bridge [ 36.830631][ T341] do_setlink (net/core/rtnetlink.c:2907) [ 36.830823][ T341] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 36.831012][ T341] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 36.831201][ T341] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 36.831388][ T341] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.831584][ T341] ? __kernel_text_address (kernel/extable.c:79) [ 36.831770][ T341] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 36.831955][ T341] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 36.832188][ T341] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 36.832386][ T341] ? stack_trace_save (kernel/stacktrace.c:123) [ 36.832579][ T341] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 36.832765][ T341] ? __pfx_validate_nla (lib/nlattr.c:396) [ 36.832954][ T341] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.833099][ T341] ? kasan_save_stack (mm/kasan/common.c:49) [ 36.833290][ T341] ? __nla_validate_parse (lib/nlattr.c:638) [ 36.833488][ T341] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 36.833698][ T341] ? 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) [ 36.833889][ T341] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 36.834082][ T341] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.834325][ T341] ? __create_object (mm/kmemleak.c:751) [ 36.834517][ T341] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 36.834712][ T341] rtnl_newlink (net/core/rtnetlink.c:3744) [ 36.834855][ T341] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 36.835044][ T341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.835232][ T341] ? 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) [ 36.835416][ T341] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.835563][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 36.835760][ T341] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 36.835948][ T341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.836137][ T341] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 36.836341][ T341] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 36.836527][ T341] ? 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) [ 36.836719][ T341] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 36.836913][ T341] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 36.837100][ T341] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.837300][ T341] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 36.837493][ T341] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 36.837680][ T341] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 36.837872][ T341] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 36.838066][ T341] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 36.838258][ T341] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 36.838446][ T341] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 36.838677][ T341] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 36.838882][ T341] ___sys_sendmsg (net/socket.c:2653) [ 36.839077][ T341] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 36.839270][ T341] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.839459][ T341] ? __lock_release (kernel/locking/lockdep.c:5435) [ 36.839643][ T341] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 36.839876][ T341] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 36.840067][ T341] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 36.840266][ T341] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.840503][ T341] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 36.840698][ T341] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 36.840887][ T341] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 36.841072][ T341] ? __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) [ 36.841281][ T341] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 36.841471][ T341] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.841704][ T341] RIP: 0033:0x7f0c40b7e7b7 [ 36.841897][ T341] 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) [ 36.842537][ T341] RSP: 002b:00007fff2f939288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.842816][ T341] RAX: ffffffffffffffda RBX: 00007fff2f9399b0 RCX: 00007f0c40b7e7b7 [ 36.843091][ T341] RDX: 0000000000000000 RSI: 00007fff2f9392f0 RDI: 0000000000000005 [ 36.843382][ T341] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 36.843668][ T341] R10: 00000000190ad910 R11: 0000000000000246 R12: 0000000000000004 [ 36.843943][ T341] R13: 0000000066bea4d8 R14: 0000000000496600 R15: 0000000000000000 | [ 36.846329][ T341] #0: ffffffff969bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 36.846675][ T341] #1: ffff8880077b2c58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 36.847041][ T341] | [ 36.847041][ T341] stack backtrace: [ 36.847550][ T341] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.847963][ T341] Call Trace: [ 36.848106][ T341] [ 36.848209][ T341] dump_stack_lvl (lib/dump_stack.c:122) [ 36.848401][ T341] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 36.848585][ T341] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 36.848849][ T341] 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 [ 36.849114][ T341] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 36.849297][ T341] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 36.849489][ T341] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 36.849703][ T341] ? mn_hlist_invalidate_range_start (mm/mmu_notifier.c:485 (discriminator 4)) [ 36.849937][ T341] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 36.850152][ T341] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 36.850418][ T341] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 36.850633][ T341] br_add_if (net/bridge/br_if.c:687) bridge [ 36.850866][ T341] do_setlink (net/core/rtnetlink.c:2907) [ 36.851053][ T341] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 36.851238][ T341] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 36.851422][ T341] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 36.851607][ T341] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.851794][ T341] ? __kernel_text_address (kernel/extable.c:79) [ 36.851977][ T341] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 36.852170][ T341] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 36.852400][ T341] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 36.852598][ T341] ? stack_trace_save (kernel/stacktrace.c:123) [ 36.852782][ T341] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 36.852982][ T341] ? __pfx_validate_nla (lib/nlattr.c:396) [ 36.853172][ T341] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.853320][ T341] ? kasan_save_stack (mm/kasan/common.c:49) [ 36.853507][ T341] ? __nla_validate_parse (lib/nlattr.c:638) [ 36.853707][ T341] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 36.853908][ T341] ? 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) [ 36.854093][ T341] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 36.854283][ T341] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.854517][ T341] ? __create_object (mm/kmemleak.c:751) [ 36.854705][ T341] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 36.854897][ T341] rtnl_newlink (net/core/rtnetlink.c:3744) [ 36.855038][ T341] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 36.855224][ T341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.855410][ T341] ? 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) [ 36.855600][ T341] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.855749][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 36.855934][ T341] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 36.856118][ T341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.856306][ T341] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 36.856507][ T341] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 36.856691][ T341] ? 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) [ 36.856887][ T341] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 36.857080][ T341] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 36.857267][ T341] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.857456][ T341] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 36.857645][ T341] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 36.857826][ T341] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 36.858016][ T341] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 36.858211][ T341] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 36.858399][ T341] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 36.858589][ T341] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 36.858817][ T341] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 36.859012][ T341] ___sys_sendmsg (net/socket.c:2653) [ 36.859200][ T341] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 36.859384][ T341] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.859578][ T341] ? __lock_release (kernel/locking/lockdep.c:5435) [ 36.859759][ T341] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 36.859992][ T341] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 36.860178][ T341] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 36.860371][ T341] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.860603][ T341] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 36.860799][ T341] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 36.860982][ T341] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 36.861169][ T341] ? __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) [ 36.861375][ T341] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 36.861566][ T341] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.861795][ T341] RIP: 0033:0x7f0c40b7e7b7 [ 36.861989][ T341] 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) [ 36.862621][ T341] RSP: 002b:00007fff2f939288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.862929][ T341] RAX: ffffffffffffffda RBX: 00007fff2f9399b0 RCX: 00007f0c40b7e7b7 [ 36.863204][ T341] RDX: 0000000000000000 RSI: 00007fff2f9392f0 RDI: 0000000000000005 [ 36.863480][ T341] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 36.863940][ T341] R10: 00000000190ad910 R11: 0000000000000246 R12: 0000000000000004 [ 36.864212][ T341] R13: 0000000066bea4d8 R14: 0000000000496600 R15: 0000000000000000 | [ 36.866958][ T341] #0: ffffffff969bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 36.867299][ T341] #1: ffff8880077b2c58 (&br->lock){+...}-{2:2}, at: br_add_if (net/bridge/br_if.c:683) bridge | [ 36.867669][ T341] | [ 36.867669][ T341] stack backtrace: [ 36.868293][ T341] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.868701][ T341] Call Trace: [ 36.868842][ T341] [ 36.868940][ T341] dump_stack_lvl (lib/dump_stack.c:122) [ 36.869241][ T341] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 36.869433][ T341] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 36.869699][ T341] 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 [ 36.869958][ T341] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 36.870260][ T341] ? __timer_delete (./include/linux/list.h:971 ./include/linux/timer.h:147 kernel/time/timer.c:1426) [ 36.870452][ T341] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 36.870666][ T341] ? mn_hlist_invalidate_range_start (mm/mmu_notifier.c:485 (discriminator 4)) [ 36.870899][ T341] br_make_forwarding (net/bridge/br_stp.c:465) bridge [ 36.871232][ T341] br_port_state_selection (net/bridge/br_stp.c:495) bridge [ 36.871496][ T341] br_stp_enable_port (net/bridge/br_stp_if.c:95) bridge [ 36.871714][ T341] br_add_if (net/bridge/br_if.c:687) bridge [ 36.871939][ T341] do_setlink (net/core/rtnetlink.c:2907) [ 36.872235][ T341] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 36.872422][ T341] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 36.872606][ T341] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 36.872791][ T341] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 36.873209][ T341] ? __kernel_text_address (kernel/extable.c:79) [ 36.873399][ T341] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 36.873583][ T341] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 36.873820][ T341] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 36.874130][ T341] ? stack_trace_save (kernel/stacktrace.c:123) [ 36.874315][ T341] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 36.874499][ T341] ? __pfx_validate_nla (lib/nlattr.c:396) [ 36.874687][ T341] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.874839][ T341] ? kasan_save_stack (mm/kasan/common.c:49) [ 36.875139][ T341] ? __nla_validate_parse (lib/nlattr.c:638) [ 36.875333][ T341] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 36.875524][ T341] ? 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) [ 36.875710][ T341] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 36.876011][ T341] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.876247][ T341] ? __create_object (mm/kmemleak.c:751) [ 36.876433][ T341] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 36.876629][ T341] rtnl_newlink (net/core/rtnetlink.c:3744) [ 36.876883][ T341] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 36.877071][ T341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.877254][ T341] ? 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) [ 36.877440][ T341] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 36.877586][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 36.877890][ T341] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 36.878080][ T341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 36.878266][ T341] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 36.878472][ T341] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 36.878768][ T341] ? 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) [ 36.878960][ T341] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 36.879148][ T341] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 36.879335][ T341] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.879634][ T341] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 36.879827][ T341] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 36.880014][ T341] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 36.880205][ T341] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 36.880512][ T341] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 36.880700][ T341] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 36.880883][ T341] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 36.881111][ T341] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 36.881308][ T341] ___sys_sendmsg (net/socket.c:2653) [ 36.881495][ T341] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 36.881689][ T341] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.881879][ T341] ? __lock_release (kernel/locking/lockdep.c:5435) [ 36.882061][ T341] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 36.882400][ T341] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 36.882596][ T341] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 36.882787][ T341] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.883130][ T341] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 36.883323][ T341] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 36.883513][ T341] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 36.883704][ T341] ? __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) [ 36.883911][ T341] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 36.884209][ T341] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.884658][ T341] RIP: 0033:0x7f0c40b7e7b7 [ 36.884847][ T341] 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) [ 36.885597][ T341] RSP: 002b:00007fff2f939288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.885874][ T341] RAX: ffffffffffffffda RBX: 00007fff2f9399b0 RCX: 00007f0c40b7e7b7 [ 36.886267][ T341] RDX: 0000000000000000 RSI: 00007fff2f9392f0 RDI: 0000000000000005 [ 36.886538][ T341] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 36.886814][ T341] R10: 00000000190ad910 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