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These are intended to be small unit tests = to exercise individual code paths in the kernel. > test-url: https://www.kernel.org/doc/Documentation/kselftest.txt >=20 >=20 > compiler: gcc-11 > test machine: 16 threads 1 sockets Intel(R) Xeon(R) E-2278G CPU @ 3.40GHz= (Coffee Lake) with 32G memory >=20 > (please refer to attached dmesg/kmsg for entire log/backtrace) >=20 >=20 > If you fix the issue, kindly add following tag > | Reported-by: kernel test robot > | Link: https://lore.kernel.org/oe-lkp/202304101018.4e0ba3fd-oliver.sang@= intel.com >=20 >=20 > [ 38.672635][ C0] WARNING: inconsistent lock state > [ 38.677619][ C0] 6.3.0-rc5-00001-g1dbf9cad3182 #1 Not tainted > [ 38.683656][ C0] -------------------------------- > [ 38.688647][ C0] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usag= e. > [ 38.695368][ C0] systemd/1 [HC0[0]:SC1[1]:HE0:SE0] takes: > [ 38.701058][ C0] ffff888877549bd8 (&xa->xa_lock#3){+.?.}-{2:2}, at: xa_d= estroy (lib/xarray.c:2214)=20 > [ 38.709532][ C0] {SOFTIRQ-ON-W} state was registered at: > [ 38.715131][ C0] __lock_acquire (kernel/locking/lockdep.c:5010)=20 > [ 38.719875][ C0] lock_acquire (kernel/locking/lockdep.c:467 kernel/locki= ng/lockdep.c:5671 kernel/locking/lockdep.c:5634)=20 > [ 38.724339][ C0] _raw_spin_lock (include/linux/spinlock_api_smp.h:134 ke= rnel/locking/spinlock.c:154)=20 > [ 38.728812][ C0] shmem_doff_add (include/linux/xarray.h:965 mm/shmem.c:2= 943)=20 > [ 38.733376][ C0] shmem_mknod (mm/shmem.c:3014)=20 > [ 38.737676][ C0] vfs_mknod (fs/namei.c:3916)=20 > [ 38.741885][ C0] devtmpfs_work_loop (drivers/base/devtmpfs.c:228 drivers= /base/devtmpfs.c:393 drivers/base/devtmpfs.c:408)=20 > [ 38.746876][ C0] devtmpfsd (devtmpfs.c:?)=20 > [ 38.750913][ C0] kthread (kernel/kthread.c:376)=20 > [ 38.754950][ C0] ret_from_fork (arch/x86/entry/entry_64.S:314)=20 > [ 38.759333][ C0] irq event stamp: 3472493 > [ 38.763625][ C0] hardirqs last enabled at (3472492): kasan_quarantine_pu= t (arch/x86/include/asm/irqflags.h:42 (discriminator 1) arch/x86/include/as= m/irqflags.h:77 (discriminator 1) arch/x86/include/asm/irqflags.h:135 (disc= riminator 1) mm/kasan/quarantine.c:242 (discriminator 1))=20 > [ 38.773551][ C0] hardirqs last disabled at (3472493): _raw_spin_lock_irq= save (include/linux/spinlock_api_smp.h:108 kernel/locking/spinlock.c:162)=20 > [ 38.783580][ C0] softirqs last enabled at (3471804): __do_softirq (arch/= x86/include/asm/preempt.h:27 kernel/softirq.c:415 kernel/softirq.c:600)=20 > [ 38.792916][ C0] softirqs last disabled at (3472447): __irq_exit_rcu (ke= rnel/softirq.c:445 kernel/softirq.c:650)=20 > [ 38.802453][ C0] > [ 38.802453][ C0] other info that might help us debug this: > [ 38.810393][ C0] Possible unsafe locking scenario: > [ 38.810393][ C0] > [ 38.817760][ C0] CPU0 > [ 38.820931][ C0] ---- > [ 38.824096][ C0] lock(&xa->xa_lock#3); > [ 38.828306][ C0] > [ 38.831644][ C0] lock(&xa->xa_lock#3); > [ 38.836027][ C0] > [ 38.836027][ C0] *** DEADLOCK *** > [ 38.836027][ C0] > [ 38.844049][ C0] 1 lock held by systemd/1: > [ 38.848459][ C0] #0: ffffffff84b2b740 (rcu_callback){....}-{0:0}, at: rc= u_do_batch (include/linux/rcupdate.h:327 kernel/rcu/tree.c:2107)=20 > [ 38.857460][ C0] > [ 38.857460][ C0] stack backtrace: > [ 38.863234][ C0] CPU: 0 PID: 1 Comm: systemd Not tainted 6.3.0-rc5-= 00001-g1dbf9cad3182 #1 > [ 38.871704][ C0] Hardware name: Intel Corporation Mehlow UP Server = Platform/Moss Beach Server, BIOS CNLSE2R1.R00.X188.B13.1903250419 03/25/201= 9 > [ 38.884840][ C0] Call Trace: > [ 38.888010][ C0] > [ 38.890738][ C0] dump_stack_lvl (lib/dump_stack.c:108)=20 > [ 38.895121][ C0] mark_lock_irq (kernel/locking/lockdep.c:3934 kernel/loc= king/lockdep.c:3976 kernel/locking/lockdep.c:4179)=20 > [ 38.899596][ C0] ? print_usage_bug+0x660/0x660=20 > [ 38.905015][ C0] ? stack_trace_save (kernel/stacktrace.c:123)=20 > [ 38.909748][ C0] ? filter_irq_stacks (kernel/stacktrace.c:114)=20 > [ 38.914565][ C0] ? is_bpf_text_address (include/linux/rcupdate.h:332 inc= lude/linux/rcupdate.h:806 kernel/bpf/core.c:721)=20 > [ 38.919648][ C0] ? lock_release (kernel/locking/lockdep.c:467 kernel/loc= king/lockdep.c:5691)=20 > [ 38.924117][ C0] ? save_trace (kernel/locking/lockdep.c:586)=20 > [ 38.928440][ C0] mark_lock+0x4ce/0xac0=20 > [ 38.933183][ C0] ? mark_lock_irq (kernel/locking/lockdep.c:4594)=20 > [ 38.937830][ C0] mark_usage (kernel/locking/lockdep.c:4530)=20 > [ 38.941956][ C0] __lock_acquire (kernel/locking/lockdep.c:5010)=20 > [ 38.946603][ C0] ? mark_lock_irq (kernel/locking/lockdep.c:4594)=20 > [ 38.951247][ C0] ? slab_free_freelist_hook (mm/slub.c:1807)=20 > [ 38.956668][ C0] ? mark_usage (kernel/locking/lockdep.c:4914)=20 > [ 38.961057][ C0] ? __irq_exit_rcu (kernel/softirq.c:445 kernel/softirq.c= :650)=20 > [ 38.965786][ C0] ? irq_exit_rcu (kernel/softirq.c:664)=20 > [ 38.970086][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/api= c.c:1107 (discriminator 14))=20 > [ 38.975775][ C0] ? mark_usage (kernel/locking/lockdep.c:4560)=20 > [ 38.980160][ C0] lock_acquire (kernel/locking/lockdep.c:467 kernel/locki= ng/lockdep.c:5671 kernel/locking/lockdep.c:5634)=20 > [ 38.984544][ C0] ? xa_destroy (lib/xarray.c:2214)=20 > [ 38.988843][ C0] ? lock_release (kernel/locking/lockdep.c:5637)=20 > [ 38.993398][ C0] ? mark_usage (kernel/locking/lockdep.c:4914)=20 > [ 38.997819][ C0] _raw_spin_lock_irqsave (include/linux/spinlock_api_smp.= h:111 kernel/locking/spinlock.c:162)=20 > [ 39.002900][ C0] ? xa_destroy (lib/xarray.c:2214)=20 > [ 39.007192][ C0] xa_destroy (lib/xarray.c:2214)=20 > [ 39.011312][ C0] ? xas_free_nodes (lib/xarray.c:2208)=20 > [ 39.016048][ C0] ? lock_release (kernel/locking/lockdep.c:5637)=20 > [ 39.020607][ C0] ? kmem_cache_free (mm/slub.c:3787 mm/slub.c:3809)=20 > [ 39.025460][ C0] shmem_free_in_core_inode (mm/shmem.c:2989 mm/shmem.c:40= 61)=20 > [ 39.030712][ C0] rcu_do_batch (include/linux/rcupdate.h:332 kernel/rcu/t= ree.c:2114)=20 > [ 39.035099][ C0] ? rcu_check_gp_kthread_starvation (kernel/rcu/tree.c:20= 51)=20 > [ 39.041300][ C0] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c= :4599 kernel/locking/lockdep.c:4530)=20 > [ 39.047762][ C0] ? note_gp_changes (arch/x86/include/asm/irqflags.h:42 (= discriminator 1) arch/x86/include/asm/irqflags.h:77 (discriminator 1) arch/= x86/include/asm/irqflags.h:135 (discriminator 1) kernel/rcu/tree.c:1234 (di= scriminator 1))=20 > [ 39.052579][ C0] rcu_core (kernel/rcu/tree.c:2374)=20 > [ 39.056616][ C0] __do_softirq (arch/x86/include/asm/jump_label.h:27 incl= ude/linux/jump_label.h:207 include/trace/events/irq.h:142 kernel/softirq.c:= 572)=20 > [ 39.060996][ C0] __irq_exit_rcu (kernel/softirq.c:445 kernel/softirq.c:6= 50)=20 > [ 39.065551][ C0] irq_exit_rcu (kernel/softirq.c:664)=20 > [ 39.069674][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.= c:1107 (discriminator 14))=20 > [ 39.075188][ C0] > [ 39.078013][ C0] > [ 39.080833][ C0] asm_sysvec_apic_timer_interrupt (arch/x86/include/asm/i= dtentry.h:645)=20 > [ 39.086690][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (kernel/locking/s= pinlock.c:195)=20 > [ 39.092983][ C0] Code: 89 f3 48 8b 74 24 10 48 83 c7 18 e8 81 e6 a6 fd 4= 8 89 ef e8 e9 4e a7 fd 80 e7 02 74 06 e8 ef 70 cb fd fb 65 ff 0d 3f b3 75 7= c <5b> 5d c3 0f 1f 40 00 f3 0f 1e fa 0f 1f 44 00 00 55 48 89 fd 65 ff > All code > =3D=3D=3D=3D=3D=3D=3D=3D > 0: 89 f3 mov %esi,%ebx > 2: 48 8b 74 24 10 mov 0x10(%rsp),%rsi > 7: 48 83 c7 18 add $0x18,%rdi > b: e8 81 e6 a6 fd callq 0xfffffffffda6e691 > 10: 48 89 ef mov %rbp,%rdi > 13: e8 e9 4e a7 fd callq 0xfffffffffda74f01 > 18: 80 e7 02 and $0x2,%bh > 1b: 74 06 je 0x23 > 1d: e8 ef 70 cb fd callq 0xfffffffffdcb7111 > 22: fb sti =20 > 23: 65 ff 0d 3f b3 75 7c decl %gs:0x7c75b33f(%rip) # 0x7c75b369 > 2a:* 5b pop %rbx <-- trapping instruction > 2b: 5d pop %rbp > 2c: c3 retq =20 > 2d: 0f 1f 40 00 nopl 0x0(%rax) > 31: f3 0f 1e fa endbr64=20 > 35: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) > 3a: 55 push %rbp > 3b: 48 89 fd mov %rdi,%rbp > 3e: 65 gs > 3f: ff .byte 0xff >=20 > Code starting with the faulting instruction > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > 0: 5b pop %rbx > 1: 5d pop %rbp > 2: c3 retq =20 > 3: 0f 1f 40 00 nopl 0x0(%rax) > 7: f3 0f 1e fa endbr64=20 > b: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) > 10: 55 push %rbp > 11: 48 89 fd mov %rdi,%rbp > 14: 65 gs > 15: ff .byte 0xff >=20 >=20 > To reproduce: >=20 > git clone https://github.com/intel/lkp-tests.git > cd lkp-tests > sudo bin/lkp install job.yaml # job file is attached in = this email The above step fails on my Fedora 37 system: ... Dependencies resolved. Nothing to do. Complete! Use: /home/cel/lkp-tests/distro/installer/fedora install alsa-lib-devel att= r binutils-devel bison compat-readline5-devel conntrack dwarves ebtables el= futils-devel ethtool file flex fuse fuse-devel g++ gcc glibc-common glibc-d= evel glibc-static glibc-devel.i686 glibc-static.i686 glibc.i686 glibc.x86_6= 4 iperf3 iproute iptables iputils ipvsadm jq kernel-headers keyutils-libs-d= evel lib32gcc-dev libbpf-dev libc6-x32 libcap-devel libcap-ng-devel libdrm-= devel libgcc.i686 libhugetlbfs-dev libmnl-devel libmount-devel libpci3 libx= 32asan5 libx32atomic1 libx32gcc1 libx32gcc-dev libx32gomp1 libx32itm1 libx3= 2quadmath0 libx32ubsan1 linux-libc-dev-amd64-cross llvm-devel make netsniff= -ng net-tools nftables nmap-ncat numactl-devel openssl-devel openvswitch-co= mmon openvswitch-switch perf pesign pkgconfig popt popt-devel python3 pytho= n3-scapy python-docutils rsync sendip socat sudo tcpdump traceroute util-li= nux wireshark xz zlib-devel autoconf automake bc binutils-devel compat-read= line5-devel elfutils-devel gettext libbpf-dev libmnl-devel libnl3-devel lib= pcap-devel libpci-dev libtool m4 openssl-devel pkgconfig popt-devel systemd= systemd-devel systemd-libs Last metadata expiration check: 1:45:19 ago on= Mon 10 Apr 2023 10:06:05 AM EDT. Package alsa-lib-devel-1.2.8-2.fc37.x86_64 is already installed. Package attr-2.5.1-5.fc37.x86_64 is already installed. Package binutils-devel-2.38-25.fc37.x86_64 is already installed. Package bison-3.8.2-3.fc37.x86_64 is already installed. Package conntrack-tools-1.4.6-4.fc37.x86_64 is already installed. Package dwarves-1.24-1.fc37.x86_64 is already installed. Package iptables-nft-1.8.8-4.fc37.x86_64 is already installed. Package elfutils-devel-0.189-1.fc37.x86_64 is already installed. Package ethtool-2:6.2-1.fc37.x86_64 is already installed. Package file-5.42-4.fc37.x86_64 is already installed. Package flex-2.6.4-11.fc37.x86_64 is already installed. Package fuse-devel-2.9.9-15.fc37.x86_64 is already installed. Package gcc-c++-12.2.1-4.fc37.x86_64 is already installed. Package gcc-12.2.1-4.fc37.x86_64 is already installed. Package glibc-common-2.36-9.fc37.x86_64 is already installed. Package glibc-devel-2.36-9.fc37.x86_64 is already installed. Package glibc-devel-2.36-9.fc37.i686 is already installed. Package glibc-static-2.36-9.fc37.x86_64 is already installed. Package glibc-static-2.36-9.fc37.i686 is already installed. Package glibc-devel-2.36-9.fc37.i686 is already installed. Package glibc-static-2.36-9.fc37.i686 is already installed. Package glibc-2.36-9.fc37.i686 is already installed. Package glibc-2.36-9.fc37.x86_64 is already installed. Package iproute-5.18.0-2.fc37.x86_64 is already installed. Package iptables-nft-1.8.8-4.fc37.x86_64 is already installed. Package iputils-20221126-1.fc37.x86_64 is already installed. Package jq-1.6-14.fc37.x86_64 is already installed. Package kernel-headers-6.1.5-200.fc37.x86_64 is already installed. Package keyutils-libs-devel-1.6.1-5.fc37.x86_64 is already installed. No match for argument: lib32gcc-dev No match for argument: libbpf-dev No match for argument: libc6-x32 Package libcap-devel-2.48-5.fc37.x86_64 is already installed. Package libcap-ng-devel-0.8.3-3.fc37.x86_64 is already installed. Package libgcc-12.2.1-4.fc37.i686 is already installed. No match for argument: libhugetlbfs-dev Package libmnl-devel-1.0.5-1.fc37.x86_64 is already installed. Package libmount-devel-2.38.1-1.fc37.x86_64 is already installed. No match for argument: libpci3 No match for argument: libx32asan5 No match for argument: libx32atomic1 No match for argument: libx32gcc1 No match for argument: libx32gcc-dev No match for argument: libx32gomp1 No match for argument: libx32itm1 No match for argument: libx32quadmath0 No match for argument: libx32ubsan1 No match for argument: linux-libc-dev-amd64-cross Package make-1:4.3-11.fc37.x86_64 is already installed. Package net-tools-2.0-0.64.20160912git.fc37.x86_64 is already installed. Package nftables-1:1.0.4-3.fc37.x86_64 is already installed. Package nmap-ncat-3:7.93-1.fc37.x86_64 is already installed. Package numactl-devel-2.0.14-6.fc37.x86_64 is already installed. Package openssl-devel-1:3.0.8-1.fc37.x86_64 is already installed. No match for argument: openvswitch-common No match for argument: openvswitch-switch Package perf-6.2.6-200.fc37.x86_64 is already installed. Package pkgconf-pkg-config-1.8.0-3.fc37.x86_64 is already installed. Package popt-1.19-1.fc37.x86_64 is already installed. Package popt-devel-1.19-1.fc37.x86_64 is already installed. Package python3-3.11.2-1.fc37.x86_64 is already installed. Package python3-docutils-0.18.1-2.fc37.noarch is already installed. Package rsync-3.2.7-1.fc37.x86_64 is already installed. No match for argument: sendip Package sudo-1.9.13-1.p2.fc37.x86_64 is already installed. Package tcpdump-14:4.99.3-1.fc37.x86_64 is already installed. Package traceroute-3:2.1.2-1.fc37.x86_64 is already installed. Package util-linux-2.38.1-1.fc37.x86_64 is already installed. Package xz-5.4.1-1.fc37.x86_64 is already installed. Package zlib-devel-1.2.12-5.fc37.x86_64 is already installed. Package autoconf-2.71-4.fc37.noarch is already installed. Package automake-1.16.5-9.fc37.noarch is already installed. Package bc-1.07.1-16.fc37.x86_64 is already installed. Package gettext-0.21.1-1.fc37.x86_64 is already installed. Package libnl3-devel-3.7.0-2.fc37.x86_64 is already installed. No match for argument: libpci-dev Package libtool-2.4.7-2.fc37.x86_64 is already installed. Package m4-1.4.19-4.fc37.x86_64 is already installed. Package systemd-251.14-2.fc37.x86_64 is already installed. Package systemd-devel-251.14-2.fc37.x86_64 is already installed. Package systemd-libs-251.14-2.fc37.x86_64 is already installed. Error: Unable to find a match: lib32gcc-dev libbpf-dev libc6-x32 libhugetlb= fs-dev libpci3 libx32asan5 libx32atomic1 libx32gcc1 libx32gcc-dev libx32gom= p1 libx32itm1 libx32quadmath0 libx32ubsan1 linux-libc-dev-amd64-cross openv= switch-common openvswitch-switch sendip libpci-dev Cannot install some packages of kernel-selftests depends [cel@manet lkp-tests]$ These missing packages appear to be Debian packages. > bin/lkp split-job --compatible job.yaml # generate the yaml file f= or lkp run > sudo bin/lkp run generated-yaml-file >=20 > # if come across any failure that blocks the test, > # please remove ~/.lkp and /lkp dir to run from a clean state. >=20 >=20 >=20 > --=20 > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests >=20 >=20 > -- Chuck Lever