BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
PGD 0 P4D 0
Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
CPU: 2 PID: 3235 Comm: kworker/2:4 Kdump: loaded Tainted: G O -------- - - 4.18.0rh8.10-debug #2
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.17.0-10.fc44 06/10/2025
Workqueue: events rsc_entry_free_work [ptlrpc_gss]
RIP: 0010:__list_del_entry_valid+0x25/0x140
Code: 90 90 90 90 90 48 8b 07 48 8b 57 08 48 b9 00 01 00 00 00 00 ad de 48 39 c8 74 36 48 b9 00 02 00 00 00 00 ad de 48 39 ca 74 66 <48> 8b 32 48 39 fe 0f 85 96 00 00 00 48 8b 50 08 48 83 05 bb 7d 0c
RSP: 0018:ffffa0614168fde0 EFLAGS: 00010207
RAX: 0000000000000000 RBX: ffff8d28865f3040 RCX: dead000000000200
RDX: 0000000000000000 RSI: 0000000000000121 RDI: ffff8d28865f3060
RBP: ffff8d2886090950 R08: 0000000000000b26 R09: 0000000000000000
R10: 00000000024a0730 R11: ffff8d28c1f99000 R12: ffff8d28c2138a00
R13: ffff8d28b3c051f0 R14: 0000000000000000 R15: ffff8d28b3c051f8
FS: 0000000000000000(0000) GS:ffff8d28c2100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000088416001 CR4: 0000000000170ee0
Call Trace:
? show_regs.cold.9+0x22/0x2f
? __die_body+0x22/0x90
? __die+0x33/0x4a
? no_context+0x30f/0x5a0
? __bad_area_nosemaphore+0x1c6/0x260
? bad_area_nosemaphore+0x1a/0x30
? do_user_addr_fault+0x540/0x8a0
? __do_page_fault+0x6b/0xa0
? do_page_fault+0x87/0x30f
? page_fault+0x1e/0x30
? __list_del_entry_valid+0x25/0x140
lprocfs_nodemap_remove+0x3f/0x160 [ptlrpc]
nodemap_destroy+0x45/0x700 [ptlrpc]
nodemap_putref+0xd3/0x130 [ptlrpc]
nodemap_destroy+0x298/0x700 [ptlrpc]
nodemap_putref+0xd3/0x130 [ptlrpc]
gssiam_delete_sec_context+0x22/0x80 [ptlrpc_gss]
lgss_delete_sec_context+0x60/0x2d0 [ptlrpc_gss]
__rsc_free+0x9b/0x140 [ptlrpc_gss]
rsc_entry_free_work+0x21/0xf0 [ptlrpc_gss]
process_one_work+0x2c8/0x700
worker_thread+0x296/0x6e0
? rescuer_thread+0x570/0x570
kthread+0x1d1/0x200
? set_kthread_struct+0x70/0x70
ret_from_fork+0x1f/0x30
Modules linked in: lquota(O) ec(O) ptlrpc_gss(O-) ptlrpc(O) obdclass(O) ksocklnd(O) lnet(O) libcfs(O) zfs(O) spl(O) rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver intel_rapl_msr intel_rapl_common sb_edac rapl pcspkr i2c_piix4 squashfs crct10dif_pclmul crc32_pclmul crc32c_intel ata_generic ata_piix ghash_clmulni_intel serio_raw libata dm_mirror dm_region_hash dm_log dm_mod sha512_ssse3 sha512_generic [last unloaded: mgc]
CR2: 0000000000000000

Lustre: DEBUG MARKER: === recovery-small: start cleanup 02:13:41 (1779430421) ===
Lustre: DEBUG MARKER: === recovery-small: finish cleanup 02:13:42 (1779430422) ===
Lustre: lustre-MDT0000-lwp-OST0001: Connection to lustre-MDT0000 (at 0@lo) was lost; in progress operations using this service will wait for recovery to complete
LustreError: lustre-MDT0000-osp-MDT0001: operation mds_statfs to node 0@lo failed: rc = -107
Lustre: lustre-MDT0000: Not available for connect from 0@lo (stopping)
Lustre: Skipped 4 previous similar messages
Lustre: server umount lustre-MDT0000 complete
LustreError: 6487:0:(ldlm_lib.c:1182:target_handle_connect()) lustre-MDT0000: not available for connect from 0@lo (no target). If you are running an HA pair check that the target is mounted on the other server.
LustreError: 6487:0:(ldlm_lib.c:1182:target_handle_connect()) Skipped 3 previous similar messages
LustreError: 7235:0:(ldlm_lockd.c:2564:ldlm_cancel_handler()) ldlm_cancel from 0@lo arrived at 1779430431 with bad export cookie 6906051717940606802
LustreError: MGC192.168.203.148@tcp: Connection to MGS (at 0@lo) was lost; in progress operations using this service will fail
LustreError: 7235:0:(ldlm_lockd.c:2564:ldlm_cancel_handler()) Skipped 4 previous similar messages
Lustre: server umount lustre-MDT0001 complete
Lustre: server umount lustre-OST0000 complete
Lustre: server umount lustre-OST0001 complete
Lustre: DEBUG MARKER: oleg348-server.virtnet: executing unload_modules_local
Key type lgssc unregistered