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.1wz7D/vmlinux [TAINTED] DUMPFILE: /exports/testreports/68909/testresults/sanity3-ldiskfs-DNE-rocky8.10_x86_64-rocky8.10_x86_64/oleg132-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Thu Aug 27 21:22:28 EDT 2026 UPTIME: 03:07:56 LOAD AVERAGE: 1.80, 1.61, 1.77 TASKS: 181 NODENAME: oleg132-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: 261566 COMMAND: "bash" TASK: ffff8f8e2d3ba7c0 [THREAD_INFO: ffff8f8e2d3ba7c0] CPU: 1 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 crc32_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 intel_rapl_msr 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 ata_piix module mod: cannot find or load object file for dns_resolver 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 squashfs module mod: cannot find or load object file for sb_edac module mod: cannot find or load object file for rapl 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 mod: cannot find or load object file for rpcsec_gss_krb5 module MODULE NAME BASE SIZE OBJECT FILE ffffffffc0521740 libcfs ffffffffc0501000 225280 /tmp/crash-anaysis.1wz7D/modules/libcfs.ko ffffffffc064c3c0 lnet ffffffffc0571000 1490944 /tmp/crash-anaysis.1wz7D/modules/lnet.ko ffffffffc0707900 ksocklnd ffffffffc06de000 270336 /tmp/crash-anaysis.1wz7D/modules/ksocklnd.ko ffffffffc0866a80 obdclass ffffffffc0721000 4403200 /tmp/crash-anaysis.1wz7D/modules/obdclass.ko ffffffffc0de10c0 ptlrpc ffffffffc0b55000 4173824 /tmp/crash-anaysis.1wz7D/modules/ptlrpc.ko ffffffffc0f9f880 ptlrpc_gss ffffffffc0f51000 524288 /tmp/crash-anaysis.1wz7D/modules/ptlrpc_gss.ko ffffffffc0fe4c80 fld ffffffffc0fd2000 126976 /tmp/crash-anaysis.1wz7D/modules/fld.ko ffffffffc1004ac0 fid ffffffffc0ff2000 126976 /tmp/crash-anaysis.1wz7D/modules/fid.ko ffffffffc1024740 ec ffffffffc1012000 81920 /tmp/crash-anaysis.1wz7D/modules/ec.ko ffffffffc1064080 lmv ffffffffc1027000 372736 /tmp/crash-anaysis.1wz7D/modules/lmv.ko ffffffffc1105200 osc ffffffffc1083000 790528 /tmp/crash-anaysis.1wz7D/modules/osc.ko ffffffffc119da00 lov ffffffffc1145000 552960 /tmp/crash-anaysis.1wz7D/modules/lov.ko ffffffffc1217b80 mdc ffffffffc11cd000 466944 /tmp/crash-anaysis.1wz7D/modules/mdc.ko ffffffffc125c000 mgc ffffffffc1240000 184320 /tmp/crash-anaysis.1wz7D/modules/mgc.ko ffffffffc128f5c0 obdecho ffffffffc126e000 225280 /tmp/crash-anaysis.1wz7D/modules/obdecho.ko ffffffffc1360340 lfsck ffffffffc12a6000 1081344 /tmp/crash-anaysis.1wz7D/modules/lfsck.ko ffffffffc142f240 lquota ffffffffc13af000 786432 /tmp/crash-anaysis.1wz7D/modules/lquota.ko ffffffffc14d3400 mgs ffffffffc1470000 626688 /tmp/crash-anaysis.1wz7D/modules/mgs.ko ffffffffc1585080 mdd ffffffffc150a000 745472 /tmp/crash-anaysis.1wz7D/modules/mdd.ko ffffffffc16cf940 mdt ffffffffc15c1000 1654784 /tmp/crash-anaysis.1wz7D/modules/mdt.ko ffffffffc1801480 lod ffffffffc1756000 1052672 /tmp/crash-anaysis.1wz7D/modules/lod.ko ffffffffc18c5a40 ofd ffffffffc1858000 679936 /tmp/crash-anaysis.1wz7D/modules/ofd.ko ffffffffc195af80 osp ffffffffc18ff000 573440 /tmp/crash-anaysis.1wz7D/modules/osp.ko ffffffffc1ac06c0 lustre ffffffffc198c000 1912832 /tmp/crash-anaysis.1wz7D/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, 0xffff8f8e3a1f2488) 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 1024 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, 0xffff8f8e417c2868) 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 1024 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, 0xffff8f8e1a66d848) 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 1024 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, 0xffff8f8e032324c8) 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 1024 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, 0xffff8f8e3b45c888) 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 128 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, 0xffff8f8e05fa9208) 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 128 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, 0xffff8f8e3319c268) 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 128 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, 0xffff8f8e03ee0428) 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 128 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 4608 total debug pages from 4 CPUs to /tmp/crash-anaysis.1wz7D/lustre.bin kmem: cl_env_kmem: slab: ffffe2a344b94c00 invalid freepointer: f91eff97f5a82660