crash 8.0.0++ Copyright (C) 2002-2021 Red Hat, Inc. Copyright (C) 2004, 2005, 2006, 2010 IBM Corporation Copyright (C) 1999-2006 Hewlett-Packard Co Copyright (C) 2005, 2006, 2011, 2012 Fujitsu Limited Copyright (C) 2006, 2007 VA Linux Systems Japan K.K. Copyright (C) 2005, 2011, 2020-2021 NEC Corporation Copyright (C) 1999, 2002, 2007 Silicon Graphics, Inc. Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc. Copyright (C) 2015, 2021 VMware, Inc. This program is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Enter "help copying" to see the conditions. This program has absolutely no warranty. Enter "help warranty" for details. NOTE: stdin: not a tty GNU gdb (GDB) 10.2 Copyright (C) 2021 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-pc-linux-gnu". Type "show configuration" for configuration details. Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... please wait... (gathering kmem slab cache data) please wait... (gathering module symbol data) please wait... (gathering task table data) please wait... (determining panic task) KERNEL: /tmp/crash-anaysis.jP5gr/vmlinux [TAINTED] DUMPFILE: /exports/testreports/66489/testresults/sanity-special4-ldiskfs-DNE-rocky8.10_x86_64-rocky8.10_x86_64/oleg247-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Wed Jul 22 00:51:55 EDT 2026 UPTIME: 00:06:31 LOAD AVERAGE: 1.62, 1.19, 0.60 TASKS: 176 NODENAME: oleg247-client.virtnet RELEASE: 4.18.0rh8.10-debug VERSION: #2 SMP Mon Jul 14 01:24:22 EDT 2025 MACHINE: x86_64 (2399 Mhz) MEMORY: 4.1 GB PANIC: "general protection fault: 0000 [#1] SMP DEBUG_PAGEALLOC" PID: 12715 COMMAND: "mount.lustre" TASK: ffff95e891284f80 [THREAD_INFO: ffff95e891284f80] CPU: 3 STATE: TASK_RUNNING (PANIC) Setting scroll off while initializing PyKdump /usr/local/crash/mpykdump.so: shared object loaded ./lustre.so: shared object loaded mod: cannot find or load object file for sha512_generic module mod: cannot find or load object file for sha512_ssse3 module mod: cannot find or load object file for dm_mod module mod: cannot find or load object file for dm_log module mod: cannot find or load object file for dm_region_hash module mod: cannot find or load object file for dm_mirror module mod: cannot find or load object file for libata module mod: cannot find or load object file for crc32c_intel module mod: cannot find or load object file for crct10dif_pclmul module mod: cannot find or load object file for ata_generic module mod: cannot find or load object file for i2c_piix4 module mod: cannot find or load object file for pcspkr module mod: cannot find or load object file for serio_raw module mod: cannot find or load object file for ghash_clmulni_intel module mod: cannot find or load object file for crc32_pclmul module mod: cannot find or load object file for rapl module mod: cannot find or load object file for intel_rapl_msr module mod: cannot find or load object file for dns_resolver module mod: cannot find or load object file for ata_piix module mod: cannot find or load object file for squashfs module mod: cannot find or load object file for sb_edac module mod: cannot find or load object file for rpcsec_gss_krb5 module mod: cannot find or load object file for intel_rapl_common module mod: cannot find or load object file for nfsv4 module mod: cannot find or load object file for auth_rpcgss module MODULE NAME BASE SIZE OBJECT FILE ffffffffc04b9940 libcfs ffffffffc0499000 233472 /tmp/crash-anaysis.jP5gr/modules/libcfs.ko ffffffffc05e2f80 lnet ffffffffc0509000 1482752 /tmp/crash-anaysis.jP5gr/modules/lnet.ko ffffffffc069d900 ksocklnd ffffffffc0674000 270336 /tmp/crash-anaysis.jP5gr/modules/ksocklnd.ko ffffffffc07f70c0 obdclass ffffffffc06b7000 4366336 /tmp/crash-anaysis.jP5gr/modules/obdclass.ko ffffffffc0d6cc00 ptlrpc ffffffffc0ae2000 4169728 /tmp/crash-anaysis.jP5gr/modules/ptlrpc.ko ffffffffc0f2b880 ptlrpc_gss ffffffffc0edd000 524288 /tmp/crash-anaysis.jP5gr/modules/ptlrpc_gss.ko ffffffffc0f70c80 fld ffffffffc0f5e000 126976 /tmp/crash-anaysis.jP5gr/modules/fld.ko ffffffffc0f90ac0 fid ffffffffc0f7e000 126976 /tmp/crash-anaysis.jP5gr/modules/fid.ko ffffffffc0fb0740 ec ffffffffc0f9e000 81920 /tmp/crash-anaysis.jP5gr/modules/ec.ko ffffffffc0ff0040 lmv ffffffffc0fb3000 372736 /tmp/crash-anaysis.jP5gr/modules/lmv.ko ffffffffc1084d40 osc ffffffffc100f000 716800 /tmp/crash-anaysis.jP5gr/modules/osc.ko ffffffffc1116780 lov ffffffffc10bf000 548864 /tmp/crash-anaysis.jP5gr/modules/lov.ko ffffffffc1190b80 mdc ffffffffc1146000 466944 /tmp/crash-anaysis.jP5gr/modules/mdc.ko ffffffffc11d5000 mgc ffffffffc11b9000 184320 /tmp/crash-anaysis.jP5gr/modules/mgc.ko ffffffffc12085c0 obdecho ffffffffc11e7000 225280 /tmp/crash-anaysis.jP5gr/modules/obdecho.ko ffffffffc12d90c0 lfsck ffffffffc121f000 1077248 /tmp/crash-anaysis.jP5gr/modules/lfsck.ko ffffffffc13a7300 lquota ffffffffc1327000 790528 /tmp/crash-anaysis.jP5gr/modules/lquota.ko ffffffffc144c400 mgs ffffffffc13e9000 626688 /tmp/crash-anaysis.jP5gr/modules/mgs.ko ffffffffc14fe080 mdd ffffffffc1483000 745472 /tmp/crash-anaysis.jP5gr/modules/mdd.ko ffffffffc1648640 mdt ffffffffc153a000 1650688 /tmp/crash-anaysis.jP5gr/modules/mdt.ko ffffffffc1775f80 lod ffffffffc16ce000 1032192 /tmp/crash-anaysis.jP5gr/modules/lod.ko ffffffffc182d600 ofd ffffffffc17cb000 606208 /tmp/crash-anaysis.jP5gr/modules/ofd.ko ffffffffc18bbdc0 osp ffffffffc1860000 569344 /tmp/crash-anaysis.jP5gr/modules/osp.ko ffffffffc1a1f380 lustre ffffffffc18ec000 1904640 /tmp/crash-anaysis.jP5gr/modules/lustre.ko lustre_walk_cpus(0, 5, 1) cmd p (*cfs_trace_data[0])[0].tcd.tcd_cur_pages // p (*cfs_trace_data[0])[0].tcd.tcd_pages.next lustre_walk_trace_pages(0, 5, 0xffff95e882f6a088) lustre_walk_cpus(0, 5, 2) cmd p (*cfs_trace_data[0])[0].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[0])[0].tcd.tcd_daemon_pages.next lustre: Dumped 257 debug pages from type 0 - CPU 0 lustre_walk_cpus(1, 5, 1) cmd p (*cfs_trace_data[0])[1].tcd.tcd_cur_pages // p (*cfs_trace_data[0])[1].tcd.tcd_pages.next lustre_walk_trace_pages(1, 5, 0xffff95e8831af908) lustre_walk_cpus(1, 5, 2) cmd p (*cfs_trace_data[0])[1].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[0])[1].tcd.tcd_daemon_pages.next lustre: Dumped 319 debug pages from type 0 - CPU 1 lustre_walk_cpus(2, 5, 1) cmd p (*cfs_trace_data[0])[2].tcd.tcd_cur_pages // p (*cfs_trace_data[0])[2].tcd.tcd_pages.next lustre_walk_trace_pages(2, 5, 0xffff95e892c25c28) lustre_walk_cpus(2, 5, 2) cmd p (*cfs_trace_data[0])[2].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[0])[2].tcd.tcd_daemon_pages.next lustre: Dumped 200 debug pages from type 0 - CPU 2 lustre_walk_cpus(3, 5, 1) cmd p (*cfs_trace_data[0])[3].tcd.tcd_cur_pages // p (*cfs_trace_data[0])[3].tcd.tcd_pages.next lustre_walk_trace_pages(3, 5, 0xffff95e892c27508) lustre_walk_cpus(3, 5, 2) cmd p (*cfs_trace_data[0])[3].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[0])[3].tcd.tcd_daemon_pages.next lustre: Dumped 236 debug pages from type 0 - CPU 3 lustre_walk_cpus(0, 5, 1) cmd p (*cfs_trace_data[1])[0].tcd.tcd_cur_pages // p (*cfs_trace_data[1])[0].tcd.tcd_pages.next lustre_walk_trace_pages(0, 5, 0xffff95e89108e328) lustre_walk_cpus(0, 5, 2) cmd p (*cfs_trace_data[1])[0].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[1])[0].tcd.tcd_daemon_pages.next lustre: Dumped 1 debug pages from type 1 - CPU 0 lustre_walk_cpus(1, 5, 1) cmd p (*cfs_trace_data[1])[1].tcd.tcd_cur_pages // p (*cfs_trace_data[1])[1].tcd.tcd_pages.next lustre_walk_trace_pages(1, 5, 0xffff95e886cf79e8) lustre_walk_cpus(1, 5, 2) cmd p (*cfs_trace_data[1])[1].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[1])[1].tcd.tcd_daemon_pages.next lustre: Dumped 1 debug pages from type 1 - CPU 1 lustre_walk_cpus(2, 5, 1) cmd p (*cfs_trace_data[1])[2].tcd.tcd_cur_pages // p (*cfs_trace_data[1])[2].tcd.tcd_pages.next lustre_walk_trace_pages(2, 5, 0xffff95e892c24268) lustre_walk_cpus(2, 5, 2) cmd p (*cfs_trace_data[1])[2].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[1])[2].tcd.tcd_daemon_pages.next lustre: Dumped 1 debug pages from type 1 - CPU 2 lustre_walk_cpus(3, 5, 1) cmd p (*cfs_trace_data[1])[3].tcd.tcd_cur_pages // p (*cfs_trace_data[1])[3].tcd.tcd_pages.next lustre_walk_trace_pages(3, 5, 0xffff95e888ffafa8) lustre_walk_cpus(3, 5, 2) cmd p (*cfs_trace_data[1])[3].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[1])[3].tcd.tcd_daemon_pages.next lustre: Dumped 1 debug pages from type 1 - CPU 3 lustre_walk_cpus(0, 5, 1) cmd p (*cfs_trace_data[2])[0].tcd.tcd_cur_pages // p (*cfs_trace_data[2])[0].tcd.tcd_pages.next lustre_walk_cpus(0, 5, 2) cmd p (*cfs_trace_data[2])[0].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[2])[0].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 2 - CPU 0 lustre_walk_cpus(1, 5, 1) cmd p (*cfs_trace_data[2])[1].tcd.tcd_cur_pages // p (*cfs_trace_data[2])[1].tcd.tcd_pages.next lustre_walk_cpus(1, 5, 2) cmd p (*cfs_trace_data[2])[1].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[2])[1].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 2 - CPU 1 lustre_walk_cpus(2, 5, 1) cmd p (*cfs_trace_data[2])[2].tcd.tcd_cur_pages // p (*cfs_trace_data[2])[2].tcd.tcd_pages.next lustre_walk_cpus(2, 5, 2) cmd p (*cfs_trace_data[2])[2].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[2])[2].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 2 - CPU 2 lustre_walk_cpus(3, 5, 1) cmd p (*cfs_trace_data[2])[3].tcd.tcd_cur_pages // p (*cfs_trace_data[2])[3].tcd.tcd_pages.next lustre_walk_cpus(3, 5, 2) cmd p (*cfs_trace_data[2])[3].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[2])[3].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 2 - CPU 3 lustre: Dumped 1016 total debug pages from 4 CPUs to /tmp/crash-anaysis.jP5gr/lustre.bin kmem: osc_session_kmem: slab: fffff55444445680 invalid freepointer: a0f6e586910ec990