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Peter Anvin" , Alexei Starovoitov , Andrii Nakryiko , Arnd Bergmann , Boqun Feng , Daniel Borkman , Dinh Nguyen , Eduard Zingerman , Gary Guo , Guo Ren , Hao Luo , Jiri Olsa , John Fastabend , John Paul Adrian Glaubitz , Jonas Bonn , KP Singh , Marc Rutland , Martin KaFai Lau , Rich Felker , Song Liu , Stafford Horne , Stanislav Fomichev , Stefan Kristiansson , Will Deacon , Yonghong Song , Yoshinori Sato , yi1.lai@intel.com Subject: [linus:master] [atomic] 80047d84ee: WARNING:at_include/linux/instrumented.h:#__split_huge_pmd_locked Message-ID: <202611022259.def3e086-lkp@intel.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hello, kernel test robot noticed "WARNING:at_include/linux/instrumented.h:#__split_huge_pmd_locked" on: commit: 80047d84eed25e9c92cfb9169980a0dfec110246 ("atomic: add alignment check to instrumented atomic operations") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [test failed on linux-next/master 7649ba73f9e7e1e04d0b46213e39c79ae09dd55c] in testcase: trinity with following parameters: runtime: 300s group: group-02 nr_groups: 5 config: i386-randconfig-1005-20261101 compiler: gcc-14 test machine: qemu-system-i386 -enable-kvm -cpu Icelake-Server-noTSX,enforce,lm=off -smp 4 -m 4G (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202611022259.def3e086-lkp@intel.com [ 18.704659][ T3738] ------------[ cut here ]------------ [ 18.706815][ T3738] WARNING: include/linux/instrumented.h:62 at __split_huge_pmd_locked+0x6d2/0xac0, CPU#0: trinity-c1/3738 [ 18.717796][ T3738] Modules linked in: [ 18.719286][ T3738] CPU: 0 UID: 65534 PID: 3738 Comm: trinity-c1 Not tainted 6.19.0-rc6-00100-g80047d84eed2 #1 PREEMPT(lazy) [ 18.723193][ T3738] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.726644][ T3738] EIP: __split_huge_pmd_locked (x86/include/asm/pgtable.h:228 (discriminator 1) huge_memory.c:3128 (discriminator 1)) [ 18.728717][ T3738] Code: dc 85 d2 75 0c c6 45 c2 00 85 c0 0f 84 ee fe ff ff f6 45 bc 03 0f 85 47 03 00 00 8b 45 bc 80 08 10 c6 45 c2 01 e9 d5 fe ff ff <0f> 0b 0f c7 4d ec 0f 84 34 fd ff ff eb f2 e8 db 58 40 01 85 c0 0f All code ======== 0: dc 85 d2 75 0c c6 faddl -0x39f38a2e(%rbp) 6: 45 c2 00 85 rex.RB ret $0x8500 a: c0 0f 84 rorb $0x84,(%rdi) d: ee out %al,(%dx) e: fe (bad) f: ff (bad) 10: ff f6 push %rsi 12: 45 bc 03 0f 85 47 rex.RB mov $0x47850f03,%r12d 18: 03 00 add (%rax),%eax 1a: 00 8b 45 bc 80 08 add %cl,0x880bc45(%rbx) 20: 10 c6 adc %al,%dh 22: 45 c2 01 e9 rex.RB ret $0xe901 26: d5 fe ff ff {rex2 0xfe} ud0 %r23,%r31 2a:* 0f 0b ud2 <-- trapping instruction 2c: 0f c7 4d ec cmpxchg8b -0x14(%rbp) 30: 0f 84 34 fd ff ff je 0xfffffffffffffd6a 36: eb f2 jmp 0x2a 38: e8 db 58 40 01 call 0x1405918 3d: 85 c0 test %eax,%eax 3f: 0f .byte 0xf Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 0f c7 4d ec cmpxchg8b -0x14(%rbp) 6: 0f 84 34 fd ff ff je 0xfffffffffffffd40 c: eb f2 jmp 0x0 e: e8 db 58 40 01 call 0x14058ee 13: 85 c0 test %eax,%eax 15: 0f .byte 0xf [ 18.738340][ T3738] EAX: 00000000 EBX: 04507067 ECX: 00000000 EDX: 00000000 [ 18.740746][ T3738] ESI: 00000000 EDI: 04507067 EBP: 44669d30 ESP: 44669cd8 [ 18.743073][ T3738] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068 EFLAGS: 00010202 [ 18.745603][ T3738] CR0: 80050033 CR2: 00000004 CR3: 042e6000 CR4: 00350ef0 [ 18.747953][ T3738] DR0: 3678f000 DR1: 36ba2000 DR2: 00000000 DR3: 00000000 [ 18.753554][ T3738] DR6: ffff0ff0 DR7: 00070602 [ 18.755107][ T3738] Call Trace: [ 18.756252][ T3738] ? split_huge_pmd_address (huge_memory.c:3270 huge_memory.c:3284 huge_memory.c:3297) [ 18.758035][ T3738] ? vma_adjust_trans_huge (huge_memory.c:3309 huge_memory.c:3321) [ 18.759892][ T3738] ? __split_vma (vma.c:554) [ 18.761489][ T3738] ? vma_modify (vma.c:596 vma.c:1674) [ 18.762981][ T3738] ? vma_modify_flags (vma.c:1694) [ 18.764670][ T3738] ? madvise_vma_behavior (madvise.c:169 madvise.c:1441) [ 18.765920][ T3738] ? madvise_do_behavior (madvise.c:1721 madvise.c:1937) [ 18.767061][ T3738] ? do_madvise (madvise.c:2030) [ 18.768042][ T3738] ? __ia32_sys_madvise (madvise.c:2039 (discriminator 1) madvise.c:2037 (discriminator 1) madvise.c:2037 (discriminator 1)) [ 18.769149][ T3738] ? ia32_sys_call (kbuild/obj/consumer/i386-randconfig-1005-20261101/./arch/x86/include/generated/asm/syscalls_32.h:220) [ 18.770238][ T3738] ? do_int80_syscall_32 (x86/entry/syscall_32.c:83 x86/entry/syscall_32.c:259) [ 18.771374][ T3738] ? entry_INT80_32 (x86/entry/entry_32.S:940) [ 18.772429][ T3738] irq event stamp: 781495 [ 18.773388][ T3738] hardirqs last enabled at (781509): __up_console_sem (printk/printk.c:345 (discriminator 1)) [ 18.775278][ T3738] hardirqs last disabled at (781522): __up_console_sem (printk/printk.c:343 (discriminator 1)) [ 18.777167][ T3738] softirqs last enabled at (781232): handle_softirqs (softirq.c:468 softirq.c:650) [ 18.779118][ T3738] softirqs last disabled at (781219): __do_softirq (softirq.c:656) [ 18.781012][ T3738] ---[ end trace 0000000000000000 ]--- [ 220.112163][ T0] CE: hpet increased min_delta_ns to 5000 nsec [ 220.112245][ T0] CE: hpet increased min_delta_ns to 7500 nsec [ 220.112306][ T0] CE: hpet increased min_delta_ns to 11250 nsec [ 313.879988][ T384] sh: can't kill pid 3613: No such process [ 319.115692][ C0] CE: hpet increased min_delta_ns to 16875 nsec LKP: ttyS0: 335: LKP: tbox cant kexec and rebooting forcely [ 325.428435][ T335] sysrq: Emergency Sync [ 325.430372][ T10] Emergency Sync complete [ 325.431919][ T335] sysrq: Resetting Kboot worker: lkp-worker71 Elapsed time: 360 Host load: peak load1 279.34, peak cpu pressure 96.63%, qemu waited 0s for a cpu in 360s, container throttled 0s, 6 samples kvm=( qemu-system-i386 -enable-kvm -cpu Icelake-Server-noTSX,enforce,lm=off -kernel $kernel -initrd initrd-vm-meta-160.cgz -m 4096 -smp 4 -device e1000,netdev=net0 -netdev user,id=net0,hostfwd=tcp::32032-:22 -boot order=nc -no-reboot -device i6300esb -device pci-testdev -watchdog-action debug -rtc base=localtime -serial stdio -display none -monitor null ) append=( ip=::::vm-meta-160::dhcp root=/dev/ram0 RESULT_ROOT=/result/trinity/group-02-5-300s/vm-icl-i386/yocto-i386-minimal-20190520.cgz/i386-randconfig-1005-20261101/gcc-14/80047d84eed25e9c92cfb9169980a0dfec110246/0 BOOT_IMAGE=/pkg/linux/i386-randconfig-1005-20261101/gcc-14/80047d84eed25e9c92cfb9169980a0dfec110246/vmlinuz-6.19.0-rc6-00100-g80047d84eed2 branch=linux-next/master job=/job-script user=lkp ARCH=i386 kconfig=i386-randconfig-1005-20261101 commit=80047d84eed25e9c92cfb9169980a0dfec110246 mem=4G intremap=posted_msi rcuperf.shutdown=0 rcuscale.shutdown=0 refscale.shutdown=0 audit=0 kunit.enable=0 init_on_free=0 max_uptime=3600 result_service=tmpfs selinux=0 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 watchdog_thresh=55 workqueue.watchdog_thresh=140 smp.csd_lock_timeout=100000 sysctl.kernel.hung_task_timeout_secs=140 net.ifnames=0 printk.devkmsg=on panic=30 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 drbd.minor_count=8 systemd.log_level=err ignore_loglevel console=tty0 earlyprintk=ttyS0,115200 console=ttyS0,115200 vga=normal rw earlycon=uart8250,io,0x3f8,115200n8 keep_bootcon ) "${kvm[@]}" -append "${append[*]}" The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20261102/202611022259.def3e086-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki