====================================== | [ 31.488360][ T290] 1 lock held by ip/290: | [ 31.488594][ T290] #0: ffffffffbc5bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 31.489090][ T290] | [ 31.489090][ T290] stack backtrace: [ 31.489840][ T290] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.490454][ T290] Call Trace: [ 31.490675][ T290] [ 31.490826][ T290] dump_stack_lvl (lib/dump_stack.c:122) [ 31.491124][ T290] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 31.491401][ T290] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 31.491870][ T290] 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 [ 31.492277][ T290] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 31.492611][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.492948][ T290] br_add_if (net/bridge/br_if.c:692) bridge [ 31.493281][ T290] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 31.493543][ T290] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 31.493879][ T290] do_setlink (net/core/rtnetlink.c:2907) [ 31.494162][ T290] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 31.494441][ T290] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 31.494727][ T290] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 31.494993][ T290] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 31.495265][ T290] ? __kernel_text_address (kernel/extable.c:79) [ 31.495547][ T290] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 31.495830][ T290] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 31.496164][ T290] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 31.496462][ T290] ? stack_trace_save (kernel/stacktrace.c:123) [ 31.496733][ T290] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 31.496999][ T290] ? __pfx_validate_nla (lib/nlattr.c:396) [ 31.497263][ T290] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.497469][ T290] ? kasan_save_stack (mm/kasan/common.c:49) [ 31.497736][ T290] ? __nla_validate_parse (lib/nlattr.c:638) [ 31.498011][ T290] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 31.498280][ T290] ? 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) [ 31.498543][ T290] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 31.498831][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.499156][ T290] ? __create_object (mm/kmemleak.c:751) [ 31.499433][ T290] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 31.499727][ T290] rtnl_newlink (net/core/rtnetlink.c:3744) [ 31.499946][ T290] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 31.500234][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.500517][ T290] ? 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) [ 31.500800][ T290] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.501007][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 31.501273][ T290] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 31.501535][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.501803][ T290] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 31.502090][ T290] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 31.502351][ T290] ? 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) [ 31.502608][ T290] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 31.502873][ T290] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 31.503142][ T290] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.503408][ T290] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 31.503669][ T290] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 31.503915][ T290] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 31.504175][ T290] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 31.504459][ T290] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 31.504722][ T290] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 31.504977][ T290] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 31.505305][ T290] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 31.505591][ T290] ___sys_sendmsg (net/socket.c:2653) [ 31.505879][ T290] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 31.506162][ T290] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.506436][ T290] ? __lock_release (kernel/locking/lockdep.c:5435) [ 31.506715][ T290] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 31.507040][ T290] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 31.507314][ T290] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 31.507596][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.507937][ T290] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 31.508226][ T290] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 31.508492][ T290] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 31.508768][ T290] ? __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) [ 31.509085][ T290] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 31.509357][ T290] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 31.509707][ T290] RIP: 0033:0x7f556efc77b7 [ 31.510003][ T290] 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) [ 31.510943][ T290] RSP: 002b:00007ffe0e83be88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 31.511361][ T290] RAX: ffffffffffffffda RBX: 00007ffe0e83c5b0 RCX: 00007f556efc77b7 [ 31.511767][ T290] RDX: 0000000000000000 RSI: 00007ffe0e83bef0 RDI: 0000000000000005 [ 31.512168][ T290] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 31.512587][ T290] R10: 0000000006616910 R11: 0000000000000246 R12: 0000000000000004 [ 31.512996][ T290] R13: 0000000066bea0d6 R14: 0000000000496600 R15: 0000000000000000 | [ 31.516309][ T290] 1 lock held by ip/290: | [ 31.516551][ T290] #0: ffffffffbc5bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 31.517291][ T290] | [ 31.517291][ T290] stack backtrace: [ 31.518079][ T290] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.518845][ T290] Call Trace: [ 31.519258][ T290] [ 31.519397][ T290] dump_stack_lvl (lib/dump_stack.c:122) [ 31.519688][ T290] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 31.519957][ T290] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 31.520694][ T290] 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 [ 31.521099][ T290] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 31.521426][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.521768][ T290] br_add_if (net/bridge/br_if.c:692) bridge [ 31.522268][ T290] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 31.522571][ T290] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 31.522928][ T290] do_setlink (net/core/rtnetlink.c:2907) [ 31.523372][ T290] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 31.523650][ T290] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 31.523986][ T290] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 31.524413][ T290] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 31.524860][ T290] ? __kernel_text_address (kernel/extable.c:79) [ 31.525136][ T290] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 31.525762][ T290] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 31.526263][ T290] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 31.526737][ T290] ? stack_trace_save (kernel/stacktrace.c:123) [ 31.527198][ T290] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 31.527653][ T290] ? __pfx_validate_nla (lib/nlattr.c:396) [ 31.527922][ T290] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.528138][ T290] ? kasan_save_stack (mm/kasan/common.c:49) [ 31.528584][ T290] ? __nla_validate_parse (lib/nlattr.c:638) [ 31.528881][ T290] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 31.529350][ T290] ? 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) [ 31.529638][ T290] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 31.529909][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.530253][ T290] ? __create_object (mm/kmemleak.c:751) [ 31.530535][ T290] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 31.530832][ T290] rtnl_newlink (net/core/rtnetlink.c:3744) [ 31.531229][ T290] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 31.531517][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.531787][ T290] ? 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) [ 31.532062][ T290] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.532267][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 31.532721][ T290] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 31.532911][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.533167][ T290] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 31.533474][ T290] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 31.533740][ T290] ? 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) [ 31.534026][ T290] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 31.534317][ T290] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 31.534603][ T290] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.534898][ T290] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 31.535191][ T290] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 31.535620][ T290] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 31.535890][ T290] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 31.536182][ T290] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 31.536455][ T290] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 31.536729][ T290] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 31.537076][ T290] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 31.537538][ T290] ___sys_sendmsg (net/socket.c:2653) [ 31.537806][ T290] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 31.538254][ T290] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.538546][ T290] ? __lock_release (kernel/locking/lockdep.c:5435) [ 31.538837][ T290] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 31.539358][ T290] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 31.539638][ T290] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 31.539926][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.540258][ T290] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 31.540721][ T290] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 31.541003][ T290] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 31.541275][ T290] ? __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) [ 31.541577][ T290] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 31.542028][ T290] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 31.542363][ T290] RIP: 0033:0x7f556efc77b7 [ 31.542662][ T290] 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) [ 31.543775][ T290] RSP: 002b:00007ffe0e83be88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 31.544225][ T290] RAX: ffffffffffffffda RBX: 00007ffe0e83c5b0 RCX: 00007f556efc77b7 [ 31.544819][ T290] RDX: 0000000000000000 RSI: 00007ffe0e83bef0 RDI: 0000000000000005 [ 31.545219][ T290] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 31.545624][ T290] R10: 0000000006616910 R11: 0000000000000246 R12: 0000000000000004 [ 31.546033][ T290] R13: 0000000066bea0d6 R14: 0000000000496600 R15: 0000000000000000 | [ 31.549515][ T290] 1 lock held by ip/290: | [ 31.549729][ T290] #0: ffffffffbc5bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 31.550239][ T290] | [ 31.550239][ T290] stack backtrace: [ 31.550978][ T290] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.551586][ T290] Call Trace: [ 31.551805][ T290] [ 31.551957][ T290] dump_stack_lvl (lib/dump_stack.c:122) [ 31.552250][ T290] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 31.552527][ T290] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 31.552936][ T290] 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 [ 31.553516][ T290] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 31.553843][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.554359][ T290] br_add_if (net/bridge/br_if.c:692) bridge [ 31.554677][ T290] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 31.554953][ T290] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 31.555303][ T290] do_setlink (net/core/rtnetlink.c:2907) [ 31.555589][ T290] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 31.555881][ T290] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 31.556345][ T290] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 31.556613][ T290] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 31.556892][ T290] ? __kernel_text_address (kernel/extable.c:79) [ 31.557150][ T290] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 31.557599][ T290] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 31.557948][ T290] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 31.558248][ T290] ? stack_trace_save (kernel/stacktrace.c:123) [ 31.558526][ T290] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 31.558805][ T290] ? __pfx_validate_nla (lib/nlattr.c:396) [ 31.559056][ T290] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.559273][ T290] ? kasan_save_stack (mm/kasan/common.c:49) [ 31.559551][ T290] ? __nla_validate_parse (lib/nlattr.c:638) [ 31.559857][ T290] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 31.560158][ T290] ? 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) [ 31.560465][ T290] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 31.560766][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.561119][ T290] ? __create_object (mm/kmemleak.c:751) [ 31.561407][ T290] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 31.561697][ T290] rtnl_newlink (net/core/rtnetlink.c:3744) [ 31.561918][ T290] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 31.562153][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.562548][ T290] ? 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) [ 31.562824][ T290] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 31.563040][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 31.563337][ T290] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 31.563631][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 31.563917][ T290] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 31.564218][ T290] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 31.564517][ T290] ? 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) [ 31.564819][ T290] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 31.565127][ T290] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 31.565410][ T290] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.565686][ T290] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 31.565983][ T290] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 31.566248][ T290] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 31.566513][ T290] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 31.566780][ T290] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 31.567050][ T290] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 31.567488][ T290] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 31.567823][ T290] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 31.568118][ T290] ___sys_sendmsg (net/socket.c:2653) [ 31.568395][ T290] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 31.568697][ T290] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 31.568970][ T290] ? __lock_release (kernel/locking/lockdep.c:5435) [ 31.569155][ T290] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 31.569394][ T290] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 31.569568][ T290] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 31.569747][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 31.569989][ T290] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 31.570167][ T290] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 31.570366][ T290] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 31.570534][ T290] ? __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) [ 31.570736][ T290] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 31.570917][ T290] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 31.571340][ T290] RIP: 0033:0x7f556efc77b7 [ 31.571519][ T290] 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) [ 31.572204][ T290] RSP: 002b:00007ffe0e83be88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 31.572491][ T290] RAX: ffffffffffffffda RBX: 00007ffe0e83c5b0 RCX: 00007f556efc77b7 [ 31.572762][ T290] RDX: 0000000000000000 RSI: 00007ffe0e83bef0 RDI: 0000000000000005 [ 31.573121][ T290] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 31.573387][ T290] R10: 0000000006616910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink